WO2004012128A1 - 分子時刻表作成装置及び体内時計推定装置 - Google Patents
分子時刻表作成装置及び体内時計推定装置 Download PDFInfo
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- WO2004012128A1 WO2004012128A1 PCT/JP2003/009579 JP0309579W WO2004012128A1 WO 2004012128 A1 WO2004012128 A1 WO 2004012128A1 JP 0309579 W JP0309579 W JP 0309579W WO 2004012128 A1 WO2004012128 A1 WO 2004012128A1
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16B—BIOINFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR GENETIC OR PROTEIN-RELATED DATA PROCESSING IN COMPUTATIONAL MOLECULAR BIOLOGY
- G16B25/00—ICT specially adapted for hybridisation; ICT specially adapted for gene or protein expression
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16B—BIOINFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR GENETIC OR PROTEIN-RELATED DATA PROCESSING IN COMPUTATIONAL MOLECULAR BIOLOGY
- G16B25/00—ICT specially adapted for hybridisation; ICT specially adapted for gene or protein expression
- G16B25/10—Gene or protein expression profiling; Expression-ratio estimation or normalisation
Definitions
- the present invention relates to a molecular timetable creation device, a body time estimation device, a molecule timetable creation method, a body time estimation method, a molecule timetable creation program, a body time estimation program, and a body time estimation system. From the test results of the obtained specimen, a molecular timetable creation device that can easily estimate the internal time using a computer, an internal time estimation device, a molecular timetable creation method, an internal time estimation method, a molecular timetable creation program, The present invention relates to an internal time estimation program and an internal time estimation system.
- Background art
- the oscillation cycle of the biological clock is about 24 hours, but it differs slightly depending on the species, and it is said to be about 25 hours for humans.
- the circadian rhythm in a steady environment without an environmental cycle is called the circadian rhythm. In daily life, sunlight works as the most powerful synchronizing factor to tune the circadian rhythm to the 24-hour cycle every day.
- Rhythm abnormalities include sleep-wake rhythm disorders (delay sleep phase syndrome, sleep phase advance syndrome, non-24 hour sleep “wake-up syndrome”), seasonal depression, jet lag syndrome (JE T-LAG), shift work day and night It is known to be one of the causes of sleep disorders in workers, night wandering and delirium in elderly people with dementia, as well as school refusal and absence from work.
- the time of administration affects the strength of drug effects, side effects, and pharmacokinetics. It is known that In the case of late-night workers, shift workers, etc., the internal body time may be different from that of a general person. If this is not the case, sufficient efficacy may not be expected.
- the individual's internal time is measured individually, and the information on the individual's internal time is used by the medical institution.
- a method of estimating the internal time a method of estimating an individual's internal time from the time and the amount of melatonin in the blood by collecting blood over time and measuring the amount of melatonin in the same time as the time, similarly measuring the amount of activity and sleep over time
- a method of estimating the internal body time of an individual by measuring and observing the sleep / wake rhythm and a method of estimating the internal time by measuring the body temperature and observing the body temperature rhythm can be considered.
- An object of the present invention is to solve the above-mentioned problems, and to provide a molecular timetable creating apparatus capable of estimating an individual's internal time by a single sample collection procedure that requires multiple sample collections, and an internal time.
- An object of the present invention is to provide an estimating device, a method for creating a molecular timetable, a method for estimating a body time, a program for creating a molecular timetable, a program for estimating a body time, and a system for estimating a body time.
- Another object of the present invention is to provide a molecular timetable creating device, a body time estimating device, a molecular timetable creating method capable of providing an estimation result of an individual's internal time to medical institutions, geriatric health facilities, sports clubs, and other customers. It is an object of the present invention to provide an internal time estimation method, a molecular timetable creation program, an internal time estimation program, and an internal time estimation system. Disclosure of the invention
- the molecular timetable creating apparatus is a molecular timetable for estimating the internal time of the biological individual based on the measurement data of the gene expression product amount of the standard specimen collected from the biological individual.
- An apparatus for creating a table comprising: a data input means for inputting measurement data of the amount of gene expression product in a standard sample collected from a predetermined site of a plurality of individuals of a predetermined species; From the above, the time-dependent change of the gene expression product amount measurement data indicates that the oscillating gene selection means for selecting a circadian oscillatory gene similar to a cosine wave having a predetermined time period, An expression variation curve selecting means for selecting the circadian expression variation curve similar to the time-dependent change of the expression product amount of the selected circadian oscillatory gene from a plurality of different cosine waves; Registration means for registering information identifying the circadian expression variation curve is solved by providing a.
- the object of the present invention is to provide a method for preparing a molecular timetable according to claim 4, wherein the biological individual is obtained based on gene expression product amount measurement data of a standard specimen collected from the individual.
- a method for creating a molecular timetable for estimating internal time using an information processing device wherein the gene expression product amount measurement data in a standard sample collected from a predetermined site of a plurality of individuals of a predetermined biological species is input.
- the above-mentioned approximate expression fluctuation curve similar to the time-dependent change in the amount of the expression product of the selected approximate gene is selected from the oscillation gene selection procedure and a plurality of cosine waves having a specific time period and different phases.
- the problem is solved by performing a general expression variation curve selection procedure and a registration procedure for registering information specifying the selected general expression variation curve.
- the object of the present invention is to provide a molecular timetable creation program according to claim 6, wherein a molecular timetable for estimating the internal time of the biological individual based on measurement data of the gene expression product amount of a standard sample collected from the biological individual is provided.
- the time-dependent change in the gene expression product amount measurement data is roughly the same as a cosine wave with a period of a predetermined time.
- a circadian expression fluctuation curve selecting step of selecting the circadian expression fluctuation curve similar to the temporal change of the expression product amount of the selected circadian oscillation gene from the cosine wave of A registration procedure for registering the approximate ⁇ information identifying the current variation curve is solved by molecular timetable creation program for causing execution.
- the above-mentioned problem is solved by creating a molecular timetable for estimating the in-vivo time of the biological individual based on the measured data of the amount of gene expression product of a standard sample collected from the individual. And, based on the gene expression product amount measurement data of the sample collected from the biological individual,
- a system for estimating internal body time comprising: a server computer installed in an information center that provides the internal body time information; and a terminal computer connected to the server computer so as to be able to transmit and receive information.
- Standard data input means for inputting measurement data of the amount of gene expression product in a standard sample collected from a predetermined site of a plurality of individuals of a predetermined species, and measurement of the gene expression product amount from the genes expressed in the standard sample
- a general oscillating gene selecting means for selecting general oscillating genes whose time-dependent change is similar to a cosine wave having a predetermined time period, and a plurality of cosine waves having a specific time period and different phases, Select the circadian expression fluctuation curve, which selects the circadian expression fluctuation curve, which is similar to the time-dependent change in the expression product amount of the oscillatory gene
- the time at which the value on the circadian expression fluctuation curve is maximum is registered in the molecular timetable used for estimating the in-vivo time as the standard molecular time of the oscillatory gene, and the expression product is also registered.
- a registration unit for registering the average value and the standard deviation of the amount of each circadian oscillatory gene as the standard expression level and the standard variation amount of the circadian oscillatory gene in the molecular timetable; and collecting from the predetermined site of the biological individual.
- Measurement data input means for inputting the gene expression product amount measurement data of the circadian oscillatory gene contained in the sample obtained, and the circadian expression fluctuation curve specified by the molecular timetable based on the input measurement data
- the change over time in the gene expression product amount measurement data is similar to the circadian cycle of selecting a vibrating gene that resembles a cosine wave with a period of a predetermined time.
- the selected circadian oscillatory gene is selected from a plurality of cosine waves having different phases with a specific time as a cycle.
- the registering means sets the time at which the value on the circadian expression fluctuation curve is maximum in the molecular timetable used for estimating the in-vivo time as the standard molecular time of the oscillating gene. It is preferable that the average value and the standard deviation of the expression product amount for each of the circadian oscillatory genes be registered in the molecular timetable as the standard expression amount and the standard variation amount of the oscillatory gene.
- the expression fluctuation curve can be registered only with the data of the standard molecular time, the standard expression amount, and the standard fluctuation amount, and the expression fluctuation curve can be managed with a small amount of data.
- the object is to estimate the in-vivo time of the biological individual based on the gene expression product amount measurement data of the specimen collected from the biological individual,
- a molecular timetable storage means for storing a molecular timetable for specifying an expression fluctuation curve indicating a temporal change in the amount of the expression product of the circadian oscillatory gene at a predetermined site of the species, and collected from the predetermined site of the individual organism
- Data input means for inputting the gene expression product amount measurement data of the circadian oscillatory gene contained in the sample obtained, and inputting the measurement data to the molecular
- the above problem is estimated by using an information processing device to estimate the in-vivo time of the biological individual based on the gene expression product amount measurement data of the specimen collected from the biological individual.
- a body time information derivation steps of deriving time information is solved by performing.
- an information processing apparatus for estimating the in-vivo time of the biological individual based on the gene expression product amount measurement data of the specimen collected from the biological individual,
- a molecular timetable storage procedure for storing a molecular timetable for specifying a generalized expression fluctuation curve indicating a temporal change in the expression product amount of the oscillating gene at the predetermined site;
- a data input step of inputting measurement data of the amount of the gene expression product of the circadian oscillatory gene contained in the sample, and collating the input measurement data with the circadian expression fluctuation curve specified by the molecular timetable
- the biological body time information including the result of determining whether the biological individual has a rhythm disorder or, if not, the biological time estimation result of the biological individual is derived.
- the body time estimation program to be executed and the body time information derivation procedure that, the Is solved by
- the judgment result as to whether the individual organism has a rhythm disorder and the rhythm disorder are generally described. If it is not, the internal time information deriving means for deriving the internal time information including the result of estimation of the internal time of the biological individual is provided, so that the measurement data of the specimen obtained by one sampling and the predetermined site of the predetermined biological species are provided.
- the circadian expression fluctuation curve specified by the molecular timetable of the above it is possible to easily determine whether the circadian rhythm disorder is based on the sample obtained by one sampling without the need to collect multiple samples. It is possible to judge whether or not to do so and to estimate the internal time.
- FIG. 1 is an explanatory diagram showing the overall configuration of an internal time estimation system according to one embodiment of the present invention
- FIG. 2 is a hardware diagram of an internal time estimation device that controls the internal time estimation system according to one embodiment of the present invention.
- Fig. 3 is an explanatory diagram showing the structure of the time-dependent gene expression product amount table
- Fig. 4 is an explanatory diagram showing the structure of the molecular timetable table
- Fig. 5 is the structure of the in-vivo time information table.
- FIG. 6 is a block diagram showing a processing flow of the internal body time estimation system according to one embodiment of the present invention
- FIG. 7 is a circadian oscillatory gene selection processing according to one embodiment of the present invention.
- FIG. 8 is an explanatory diagram showing a cosine wave for gene selection
- FIG. 9 is a flow chart showing a circadian expression fluctuation curve / molecular timetable creation process according to an embodiment of the present invention
- FIG. 11 is a flowchart showing an internal setting process of the internal time estimation and information providing process according to an embodiment of the present invention
- FIG. 12 is a flowchart showing an initial setting process of the present invention
- FIG. 13 is a flowchart showing the normalization process of the amount of the oscillation gene expression product in the estimation of the internal body time and the information providing process according to the embodiment.
- FIG. 13 is a flowchart showing the internal body time estimation and the information providing process according to one embodiment of the present invention.
- Out of processing FIG. 14 is a flow chart showing the calculation process of the Pearson correlation coefficient c between the normalized outline gene expression product amount and the estimated expression amount of each circadian oscillation gene product at time t.
- FIG. 15 is an explanatory diagram showing an in-vivo time information report screen according to an embodiment of the present invention, FIG. 15 is an explanatory diagram showing a test subject characteristic table, and FIG. 16 is an explanatory diagram showing an example of a data analysis result.
- the in-vivo time estimation system of the present invention is based on the results of determining whether or not a rhythm disorder has occurred and the circadian rhythm using the measured data of the amount of gene expression products in the sample of the human body received by the server computer in the information center.
- This system derives in-vivo time information including the estimation result of in-vivo time when there is no rhythm disorder, and transmits this in-vivo time information to the terminal computer of the customer who is the judgment requester.
- the internal time estimation system of the present embodiment is applicable to any organism having a general rhythm, such as mammals such as mice, rats, and dogs. It may be used to estimate the time in the body of any living thing.
- an example of estimating the in-vivo time of each individual using a blood sample of a human is described.
- the suprachiasmatic nucleus of the mouse, the liver, the head of Drosophila, the skin of the human Any sample having a general rhythm, such as peripheral blood leukocytes, oral mucosa, and other organs, may be used for in-vivo time estimation.
- measurement data of the amount of messenger RNA (hereinafter, referred to as mRNA), which is a transcription product of the gene, is used as the measurement data of the gene expression product, but the measurement data of the amount of protein encoded by the gene, Recognized by genes Measurement data of the amount of protein modification, measurement of the activity of the enzyme encoded by the gene, measurement data of the amount of the compound metabolized by the enzyme, body temperature 'blood pressure', 'heart rate' blood controlled by gene expression products Any measurement data having a circadian rhythm, such as measurement data of physical quantities such as flow rate “respiratory rate-encephalogram” “activity amount” and body fluid PH, may be used as gene expression product amount measurement data.
- mRNA messenger RNA
- Circadian oscillatory gene is a gene whose gene expression oscillates in a 24-hour (20-28 hour) cycle under light-dark conditions or constant darkness with a 24-hour cycle in which light and dark periods alternate.
- ⁇ Standard expression level '' is the average value of the measured data of gene expression over time
- ⁇ Standard variation '' is the standard deviation of the measured data of gene expression over time
- ⁇ Relative expression '' is the gene expression product of the gene Means the expression level normalized by subtracting the standard expression level from the measured value and dividing by the standard variation.
- Normalization is a means for evaluating the expression fluctuation of each gene on the same basis.
- the standard expression level is calculated from the measured value of the gene expression product of each gene or the value on each circadian expression fluctuation curve. Subtraction and dividing by the standard variation. As a result, it is possible to unify the standard fluctuation amount of the oscillatory gene as 1 and the standard expression amount as 0 in each case.
- the “circadian expression fluctuation curve” is a mathematical expression of the expression state of oscillatory genes over time from finite expression data, and can be created by multiple methods based on the expression level measured over time. is there. "Relative outline expression fluctuation curve” means a circadian expression fluctuation curve normalized by subtracting the standard expression level from the value on each circadian expression fluctuation curve and dividing by the standard fluctuation amount.
- Time indicates the time when the lighting time under light / dark conditions is ZT0. Turns on for 12 hours, then turns off at ZT12. Therefore, the period from ZT0 to ZT12 is a light period, and the period from ZT12 to ZT24 is a dark period.
- GT time is based on ZT0 after performing rhythm tuning in the 24-hour cycle of the light period and the dark period. GTO time without lighting at the time corresponding to the hour. The time in a 24-hour cycle under the constant darkness condition from GTO is described as GT time.
- “Molecular time” is the GT time or ZT time at which the expression fluctuation curve of the oscillator gene takes the maximum value.
- Similarity is a numerical value representing the degree of similarity between objects. For similarity, “similarity” indicates that the larger the value, like the correlation coefficient, the higher the similarity, and “similarity”, such as the distance, that the smaller the value, the higher the similarity. There is.
- the “Euclidean square distance” is one of the most commonly used distances, and the data is ( ⁇ ,, ⁇ ,) ( ⁇ 2 .y 2 ), (x 3 , y 3 ) '“(x n , y n ), the distance d xy between variables X and y is
- Correlation coefficient is an index that indicates the degree of correlation, which is one of the indexes indicating the similarity.
- Peak product moment correlation coefficient is one of the most frequently used correlation coefficients.
- T Molecular time of cosine wave (for example, it can be 144 kinds of time in 10 minute steps from 0 60, 10 60, 20/60, 30 60, ..., 1420/60, 1430/60)
- t Corresponding time
- the standard deviation s of temporal data (a set of values at the sampling time) on the cosine wave can be obtained as follows.
- “computer” is meant to include all information terminals equipped with a computing device.
- it includes a supercomputer, a general-purpose computer, an office computer, a control computer, a workstation, a personal computer, a mobile information terminal, a mobile phone equipped with a computing device, a wearable computer, and the like.
- “input” refers to inputting instructions and data into a computer, inputting instructions and data using a keyboard, a mouse, etc., and storing data such as a flexible disk, a compact disk, etc. This includes the case where instructions and data are input from a medium, and the case where instructions and data are received from an external device via a communication line. (Embodiment 1)
- the internal body time estimation system includes an information center 1 that provides an individual's internal time information to a customer and a customer that receives the individual's internal time information from the information center 11. It has medical institution 2, sports center 3, individual members 4, geriatric health facilities 5, corporate members 6, and educational institution 7.
- a server computer 11 is installed in the information center 11 and terminal computers 21 to 71 of customers 2 to 7 are connected via the Internet 13.
- the information center 1 is an organization that controls and manages the internal time estimation system of the present embodiment, and is included in a testing company, a pharmaceutical company, a medical institution, a research institution, an analysis center, a testing center, a data center, and the like. Is also good.
- the information center 1 measures the amount of gene expression product in the sample and receives the data from the DNA chip reader 12 and the DNA chip reader 12 to input the gene expression product amount measurement data to the server computer 11. Using the gene expression product amount measurement data, a rhythm disorder determination process and an internal time estimation process, and an internal time information providing device that transmits the internal time information derived in these processes to the terminal computers 21 to 71 Server computer 11 is installed.
- the gene expression product amount measurement data is received from the DMA chip reader 12, but the gene expression product amount measurement devices are installed in the customers 2 to 7, and are transmitted from the terminal computers 21 to 71. You may make it receive.
- the information center 1 sends the blood sample 19 of the test subject from the customers 2 to 7 by sending or bringing it in.
- the blood sample 19 is processed by a known method so that the amount of mRNA expressing the gene can be measured.
- mRNA is isolated from a blood sample 19 using a commercially available RNA extraction kit, for example, RNAqueous-Blood Module, RN Aqueous Phenol-free Total RNA kit (Funakoshi) according to the attached protocol. I do.
- guanidine-thiosinate cesium chloride method guanidine 'thiosinate' hot '
- the mRNA may be extracted by a phenol method, guanidine-thiocyanate-guanidine-hydrochloric acid method, and the mRNA may be adsorbed and eluted on an oligo (dT) cellulose column for purification.
- dT oligo
- the amount of expressed mRNA of the processed blood sample 19 is measured by the DNA chip reader 12.
- the raw data of the measured mRNA amount is stored in the DNA chip reader 12.
- the raw data stored in the DNA chip reader 12 is transmitted to the server computer 11.
- the server computer 11 processes the raw data to determine whether or not the test subject has a circadian rhythm disorder. If the test subject does not have a circadian rhythm disorder, the server computer 11 derives the internal time of the test subject.
- the derived determination result of the test subject's circadian rhythm disorder and the information on the internal time when the subject is not a circadian rhythm disorder are transmitted to the requesting customer's terminal computers 21 to 71 as this test subject's internal time information. Is reported.
- the customers 2 to 7 are customers of the information center 1, and receive the provision of the internal time information from the information center 1 by the internal time estimation system of the present embodiment.
- Each of the customers 2 to 7 has terminal computers 21 to 71 capable of browsing the internal time information display screen provided by the server computer 11 of the information center 1.
- a gene expression product amount measuring device for measuring the gene expression product amount may be installed in customers 2 to 7.
- the amount of mRNA expressed in the blood sample 19 of the test subject is measured by the customers 2 to 7 and the measurement data is transmitted from the terminal computers 21 to 71 to the server computer 11 to obtain an overview of the measurement data.
- the terminal computers 21 to 71 receive the information on the internal time from the server computer 11 as a result of the judgment of the daily rhythm disorder.
- Medical Institution 2 is used to determine the circadian rhythm disorder of a patient such as sleep-wake rhythm disorder, seasonal depression, jet lag, sleep disorder in day and night shift workers, and determine the patient's drug administration time. Using the internal time estimation system of the embodiment You.
- the medical institution 2 also has an electronic medical record server computer 22 in which medical records, prescriptions, test results, and the like are registered as electronic data for each patient.
- the electronic medical record server computer 22 is connected to the terminal computer 21 via the in-hospital LAN, and is configured to be able to input internal body time information downloaded from the server computer 11 to the terminal computer 21 to the electronic medical record server computer 22.
- the number of the subject to be examined which will be described later, is set to the same number as the patient number registered in the electronic medical record server computer 22, and the in-vivo time information for each subject to be examined downloaded from the server computer 11 to the terminal computer 21 is automatically recorded. If a program to be stored in a medical record database (not shown) of the electronic medical record server computer 22 is stored in the electronic medical record server, the internal medical time information can be directly and automatically imported to the electronic medical record.
- the customer may be a psychological counselor, a health and welfare facility such as a health center, a clinic, a child counseling center, a pharmacy, or the like.
- Sports Center 3 is an organization that provides guidance, training, and training for athletes, regardless of the type of sports.
- the sports center 3 uses the in-body time estimation system of the present embodiment, for example, to create a training schedule for athletes before participating in the international tournament.
- a player management server computer 32 in which the health status of the athletes, the practice menu, the meal menu, the participation record of the tournament, and the like are registered as electronic data for each athlete is installed.
- the player management server computer 32 is connected to the terminal computer 31 via the LAN within the center, and is configured to be able to input the in-vivo time information downloaded from the server computer 11 to the terminal computer 31 to the player management server computer 32.
- the number of the person to be examined which will be described later, is set to the same number as the player number registered in the player management server computer 32, and the terminal computer 11 If the program that automatically downloads the internal time information for each subject to be downloaded to the data 31 into the database (not shown) of the player management server computer 32 is stored in the data 31, the internal time information can be directly and automatically stored in the database. Can be configured to capture.
- the customer instead of the sports center 3, the customer may be a sports gym, a sports club, a corporation that manages club activities, an educational institution that controls the club activities, and the like.
- the individual member 4 is a customer who uses the internal time estimation system of the present embodiment personally for the purpose of improving his / her life.
- the geriatric health facility 5 uses the in-vivo time estimation system of the present embodiment for health management and life management of the elderly who are staying at the facility.
- in-vivo time information may be used as information for determining a room allocation.
- the facility can respond to the rhythm of the residents at an early stage after the entrance, so that new residents can adapt to the pace of the entire facility early. It becomes possible.
- the geriatric health facility 5 is equipped with a management server computer 52 in which the health status, food menu, family structure, rehabilitation menu, etc. of the visitor are registered as electronic data for each visitor. I have.
- Management server computer The data 52 is connected to the terminal computer 51 via the in-house LAN, and is configured to be able to input the internal body time information downloaded from the server computer 11 to the terminal computer 51 to the management server computer 52.
- the test subject number which will be described later, is set to be the same as the visitor serial number registered in the management server computer 52, and the in-vivo time information for each test subject downloaded from the server computer 11 to the terminal computer 51 is automatically generated. If a program to be loaded into a database (not shown) of the management server computer 52 is stored, the internal time information can be directly loaded automatically into the database.
- customers may be geriatric hospitals, geriatric welfare facilities, nursing homes, support providers for nursing home care, and the like.
- the corporate member 6 uses the internal body time estimation system of the present embodiment to manage employee health and improve work efficiency.
- an employee information server computer 62 in which working hours, working hours, work content, health status, age, etc. are registered as electronic data for each employee is installed. I have.
- the employee information server computer 62 is connected to the terminal computer 61 via a LAN, and is configured to be able to input the internal body time information downloaded from the server computer 11 to the terminal computer 61 to the employee information server computer 62.
- the number of the person to be examined described later is set to the same number as the employee number registered in the employee information server computer 62, and the in-vivo time information for each person to be inspected downloaded from the server computer 11 to the terminal computer 61 is obtained.
- the internal time information can be automatically taken directly into the employee information.
- the educational institution 7 uses the in-vivo time estimation system of the present embodiment for the purpose of health management, mental health, educational efficiency improvement, etc. of students.
- a student / student / student information server combination 72 in which grades, home environment, health condition, age, etc. are registered as electronic data for each is installed.
- the child's / student / student information server computer 72 is connected to the terminal computer 71 via LAN, and inputs the internal time information downloaded from the server computer 11 to the terminal / computer 71 to the child / student / student information server computer 72. It is configured to be possible.
- test subject number described below is set to the same number as the child-student-student number registered in the student-student information server computer 72, and downloaded to the server computer 11 and the terminal computer 71.
- the internal time information is included in the child “student-student information”. Can be configured to import automatically directly.
- a research institution such as a university or a research institute may be a customer.
- Customers 2 to 7 collect the blood of the subject and place it in a test tube distributed from the information center 1 to obtain a blood sample 19.
- a test tube distributed from the information center 1 to obtain a blood sample 19.
- the customer's unique customer number, the number of the person to be inspected, and the date and time of collection are entered.
- the customers 2 to 7 submit the blood sample 19 to the information center 11 by sending or bringing it in.
- the customers 2-7 After submitting the blood sample 19, 1-2, the customers 2-7 use terminal computers 21-71 to determine whether the test subject has a circadian rhythm disorder and the internal time if the subject has no circadian rhythm disorder. And can be browsed.
- a gene expression product amount measuring device is installed on the customer 2 to 7 side, the expression mRNA amount of the blood sample 19 is measured on the customer 2 to 7 side, and this measurement data is The information is transmitted from the terminal computers 21 to 71 to the server computer 11 together with information such as the customer number, the number of the subject to be inspected, and the date of collection, which have been assigned in advance.
- Reference numeral 7 denotes terminal computers 21 to 71, which can determine whether or not the test subject has a circadian rhythm disorder, and can browse the internal time information.
- the DNA chip reader 12 is a known DNA chip reader, and stores a DNA chip scanner (not shown), a CPU (not shown) that processes data read by the scanner, and the processed data. And a storage device.
- the DNA chip reader 12 measures the amount of each mRNA in the total RNA contained in the sample, and registers the measurement data in a storage device (not shown).
- the DNA chip reader 12 is used for measuring the amount of gene expression product.
- a quantitative PGR device a real-time PCR device, a DNA microarray device, an RNase protection assay device, and a Northern hybridization device are used. May be used.
- protein measurement data is used as the gene expression product amount
- a known two-dimensional electrophoresis device, mass spectrometer, protein chip device, antibody chip device, immunoblot device, or the like is used.
- the server computer 11 is a device that uses the gene expression product amount measurement data to determine the presence or absence of a rhythm disorder in a sample and to estimate the in-vivo time of a test subject related to the sample.
- the server computer 11 includes a CPU 70 as a central processing unit, RAMs 73, ROM 74, HDD 75, and storage media 76 as storage devices, a communication device 77, a keyboard 78, a mouse 79, A display device 80 and a printer 81 are provided.
- the GPU 70 performs a calculation using information received from the storage device, the communication device, and the input device, and serves to pass the calculation result to the storage device, the communication device, and the output device.
- the storage device stores programs and the like for executing various processes.
- the storage media device 76 is configured by a media device such as an external HDD, GD, or DVD, and stores data received via the communication device 77 and data input from the keyboard 78 and the mouse 79 as appropriate. , Can be read.
- the RAM 73 stores data and the like necessary for the CPU 70 to execute processing.
- the display device 80 displays an image or the like created by a program stored in the ROM 70, HDD 75, or the like of the GPU 70.
- the printer 81 outputs predetermined information from each computer on paper.
- the communication device 77 transmits and receives data to and from another computer such as the DNA chip reader 12 and the terminal computers 21 to 71.
- HDD75 contains time-dependent gene expression product table 14 in Fig. 3 and time-dependent data of gene expression products of circadian oscillating gene candidates selected from the time-dependent gene expression product measurement data of the standard sample.
- a molecular timetable table 15 in FIG. 4 an in-vivo time information table 16 in FIG. 5, a gene selection cosine wave information not shown, and a timetable not shown Cosine wave information for creation is stored.
- the time-dependent gene expression product table 14 in FIG. 3 is a table registered with respect to the time-dependent data of the amount of the gene expression product included in the standard sample ⁇ each gene.
- the molecular timetable table 15 in Fig. 4 is a table used for determining the circadian rhythm disorder of the sample and for estimating the internal time, and shows the general expression fluctuation curve of each oscillator gene selected from the standard sample. Characteristic values, that is, the standard expression level under the LD condition (12-hour light period, 12-hour dark period with 24-hour light / dark conditions), standard fluctuation amount 154, molecular time 155, and DD condition (constant) The standard expression amount 156, standard variation amount 157, and molecular time 158 under dark conditions) have been registered.
- the in-vivo time information table 16 in FIG. 5 is a table for registering the results of the circadian rhythm disorder determination and the in-vivo time estimation processing of the sample of the test subject.
- the in-body time estimation and information provision in FIG. 10 are performed. By executing the processing flowchart, each record The code is registered.
- the internal time information table 16 contains a reception number 161 assigned to each sample at the information center 1 upon receipt of the blood sample 19, a customer number 162 assigned to each customer when registering the customer, a user ID 163 of the customer contact person, The user password 164 of the person in charge of the test, the test subject number 165 assigned to each test subject on the customer side, and the blood sample 19 are collected on the test tube of the sample 19 when the customer collects the blood sample 19.
- the input collection time 166, the judgment result 167 of the presence or absence of circadian rhythm disorder by the server computer 11, the estimation result 168 of the internal time by the server computer 11, and the information center 1 is input for each sample as needed. Comment 169 is registered.
- the cosine wave information for gene selection is cosine wave information used for selecting a circadian oscillation gene from genes included in a standard sample.
- the cosine wave for gene selection refers to a total of 540 types of cosine waves that differ in cycle time from 20 hours to 28 hours in increments of 1 hour and are out of phase in increments of 1/60. In other words, 60 types of cosine waves with different phases were created for each of the 9 types of periodic times.
- FIG. 8 shows a part of the cosine wave for gene selection.
- Period time 9 types of 20, 21, 22, 23, 24, 25, 26, 27, 28
- the cosine wave information for creating a timetable is information on a cosine wave used to create a molecular timetable of a vibration gene selected from genes included in a standard sample. Information.
- the cosine waves for creating a timetable are 144 types of cosine waves that have a 24-hour period and are shifted in phase every 10 minutes.
- the cosine wave information for creating a timetable contains the formula of A (t) used to find the value (t) on the cosine wave for creating a timetable.
- T Cosine wave numerator time (for example, it can be 144 kinds of time in 10 minute increments from 0 to 60, 10/60, 20/60, 30/60,..., 1420/6 0, 1430Z60)
- the information center 1 uses a server computer 11 to provide an internal time information browsing service for customers via the Internet 13.
- the processing of the in-vivo time estimation system is roughly divided into a gene selection-timetable creation step 100 shown in FIG. 6, a circadian rhythm disorder determination / in-vivo time estimation step 200, and a reporting step 300 to the customer.
- Timetable Creation Step 100 is a procedure that should be called a circadian rhythm disorder determination / preparation step for internal time estimation, and is a procedure that is performed before the service for providing internal time information to customers starts.
- rhythm disorders are determined. Tissues used for estimating internal time. Sites of cells, etc., and a general oscillator gene are selected, and a molecular timetable of the general oscillator gene is created.
- step 101 time-dependent gene expression data of a standard sample is obtained. This data acquisition is performed by the DNA chip reader 1 2 Done in
- the standard sample is obtained by collecting biological tissues from a plurality of individuals.
- blood collected from a plurality of humans is used as a standard sample.
- blood is collected from a plurality of human bodies under predetermined conditions at regular intervals. Specifically, multiple subjects were allowed to stay in a 24-hour room with a 12-hour light period and a 12-hour dark period for 2 weeks, and then over a 2-day period, the same 12-hour light period and 12-hour dark period Blood is collected every 4 hours under light / dark conditions (LD conditions) or constant dark conditions (DD conditions) in a 24-hour cycle.
- LD conditions light / dark conditions
- DD conditions constant dark conditions
- sampling times under light and dark conditions are immediately before lighting (ZT0), 4 hours after lighting ( ⁇ 4), 8 hours after lighting ( ⁇ 8), just before turning off ( ⁇ 1 2), 4 hours after turning off ( ⁇ 16), and 8 hours after turning off After ( ⁇ 20), just before lighting on the second day ( ⁇ 24), 4 hours after lighting on the second day ( ⁇ 28), 8 hours after lighting on the second day ( ⁇ 32), just before turning off on the second day ( ⁇ 36), 12 points at 4 hours after turning off on the second day ( ⁇ 40) and 8 hours after turning off on the second day ( ⁇ 44), the sampling time under constant darkness conditions is just before the start of constant darkness conditions (at GT0), subjective 4 hours after the start of the daytime (GT4), 8 hours after the start of the subjective day (GT8), just before the start of the subjective night (GT1 2:00), 4 from the start of the subjective night After hours (GT1 6:00), 8 hours after the start of the subjective night (G ⁇ 20: 00), just before the start of the subjective day on the second day (24:00 CT), the start
- a standard sample for measuring the amount of mRNA which is the amount of gene expression product, is prepared from blood collected from a plurality of persons by a known method at each sampling time for each individual condition.
- the amount of mRNA in the standard sample for each individual condition and for each collection time is measured using the DNA chip reader 12 to obtain time-dependent gene expression product amount measurement data for the standard sample.
- the time-dependent gene expression product amount measurement data is stored in a storage device (not shown) of the DNA chip reader 12 and transmitted from the DNA chip reader 12 to the server computer 11.
- the circadian oscillatory gene is selected by the server computer 11 based on the time-dependent gene expression product amount measurement data received in process 101.
- the server computer 11 When the server computer 11 receives the time-dependent gene expression product amount measurement data from the DNA chip reader 12, the server computer 11 registers the data as a time-dependent gene expression product amount table 14 in the HDD 75.
- Fig. 3 shows the time-dependent gene expression product amount table 14.
- the mRNA amount which is the expression amount of each gene at each time, is registered for each gene.
- step S101 one gene record of the temporal gene expression product table 14 is read.
- step S102 a formula z (t) obtained by applying the standard variation and the standard expression of each gene to the formula A (t) of the cosine wave information for gene selection obtained from the HDD 75 is derived, and z (t)
- Cycle time 9 types of 20, 21, 22, 23, 24, 25, 26, 27, 28
- step S103 the peak between the value of each time of the gene record read in step S101 and the value obtained by substituting the corresponding time in 4-hour intervals into t of equation z (t) is obtained. Calculate the product moment correlation coefficient and save the calculation result in RAM73.
- the value xn (expression of ZT4n or GT4n (n is an integer of 0 or more and 11 or less) at time 4n) of the gene record at time 4n and the value yn (cosine of ZT4n at time 4 ⁇ ) on the cosine wave Calculate the Pearson product-moment correlation coefficient between the value on the wave or the value on the cosine wave of CT4n (n is an integer from 0 to 11).
- step S104 it is determined whether there is a cycle time T for which the moment-of-moment correlation coefficient has not yet been calculated.
- step S102 substitute one cycle time I and T for equation z (t), and 540 types Specify one cosine wave from among the cosine waves of.
- step S104 If there is no T at the cycle time for which the product moment correlation coefficient has not been calculated (step S104: NO), for the gene record, the calculation and storage of the product moment correlation coefficient for all cosine waves for gene creation are completed. In step S105, it is determined whether or not all the product moment correlation coefficients calculated for the gene record satisfy the coefficient> 0.75.
- step S105 If any of the genes satisfies the coefficient> 0.75 (step S105: YES), the expression level of the gene oscillates within the range of 20 hours to 28 hours, indicating that the gene has In step S106, a gene candidate flag is set in the gene record as having the characteristic.
- step S107 the product moment correlation coefficient with the cosine wave for gene selection is calculated. It is determined whether there is a gene record that has not been processed.
- the product-moment correlation coefficient calculation process is performed for both the gene record under the LD condition and the DD condition for each gene.
- step S107 If there is a gene record for which correlation coefficient calculation processing has not been performed yet (step S107: YES), one gene record is read in step S101.
- step S107 If there is no gene record for which correlation coefficient calculation processing has not been performed (step S107: NO), it is determined that circadian oscillating gene candidates have been determined for all genes, and circadian oscillating gene candidates are included in step S108.
- An oscillator gene table (not shown) is generated.
- step S108 by referring to the time-dependent gene expression product amount table 14, only the gene records in which the gene candidate flags are set under both the LD condition and the DD condition are extracted, and an outline (not shown) is extracted. Generate a vibration gene table. After that, the process ends.
- the server computer 11 creates a circadian expression fluctuation curve 'molecular timetable' for each gene product.
- FIG. 9 This processing will be described based on the circadian expression fluctuation curve-molecular timetable creation flowchart in FIG.
- the processing in FIG. 9 is controlled by the GPU 70 of the server computer 11.
- the flowchart in FIG. 9 starts.
- step S201 from the circadian oscillatory gene table (not shown) generated in step S108 of FIG. 7, one oscillatory gene record is read for each LD condition and DD condition.
- step S202 the expression (t) a (t) ⁇ -Cos () obtained by applying the standard variation and the standard expression of each gene to the expression A (t) of the cosine wave information for creating a timetable obtained from the HDD 75 ⁇ ; ⁇ + C
- T Cosine wave numerator time (for example, it can be 144 kinds of time in 10 minute increments from 0 60, 10/60, 20 60, 30 60, ⁇ ⁇ , 1420/6 0, 1 430/60 it can)
- one T is substituted into t), and one cosine wave is specified from among 144 kinds of cosine waves.
- step S203 the Pearson between the value of each time of the general oscillating gene record read in step S201 and the value obtained by substituting the corresponding time in 4-hour intervals into t in equation (t). Is calculated, and the calculation result is stored in the RAM 73. That is, the value of the circadian oscillatory gene record at time 4n xn (the expression level of ZT4n or the expression level of CT4n (n is an integer from 0 to 11)) and the value yn ( Calculate the Pearson product-moment correlation coefficient between the value on the cosine wave of ZT4n or the value on the cosine wave of GT4n (n is an integer from 0 to 11).
- step S204 it is determined whether there is any T for which the moment-of-moment correlation coefficient has not yet been calculated.
- step S202 If there is a T for which the moment-moment correlation coefficient has not yet been calculated (step S204: YES), in step S202, one T is substituted into equation ot), and one cosine is selected from among 144 types of cosine waves. Identify waves.
- step S204 If there is no T for which the product-moment correlation coefficient has not been calculated (step S204: NO), for that circadian oscillatory gene record under that condition, the product-moment correlation coefficient is calculated for all cosine waves for timetable creation. Assuming that the storage has been completed, in step S205, a cosine wave having the maximum value among all the moment-moment correlation coefficients calculated for the circadian oscillatory gene record under the condition is extracted, and RAM7 is extracted. Save to 3 .
- This cosine wave force is a general expression fluctuation curve indicating the expression oscillation of the vibration gene.
- step S206 the time at which the value on the circadian expression fluctuation curve, which is the extracted cosine wave, is the maximum is defined as the molecular time, together with the name of the oscillator gene and condition, the standard expression amount, and the standard fluctuation amount. Register it in the numerator timetable table 15 of 4.
- the standard expression levels 153 and 156, the standard variation amounts 154 and 157, and the molecular times 155 and 158 generally characterize the expression variation curve.
- step S207 it is determined whether there is a condition of the circadian oscillatory gene record for which the moment-of-moment correlation coefficient calculation processing with the timetable creation cosine wave has not been performed.
- step S207 If there is a condition of the oscillatory gene record that has not yet been processed for calculating the product moment correlation coefficient with the cosine wave for creating a timetable (step S207: YES), it is generated in step S201 and in step S108 in FIG. From the circadian oscillation gene table (not shown), one oscillation gene record is read for each LD and DD condition.
- step S207 If there is no condition for the gene record that does not calculate the product moment correlation coefficient with the cosine wave for creating the timetable (step S207: NO), the circadian expression fluctuation curves for all the gene members Then, the process is terminated assuming that the creation of the molecular timetable has been completed.
- the gene selection / timetable creation step 100 is completed, and a service for providing internal time information to customers is enabled.
- the information center 1 starts the internal time information providing service.
- the internal time information providing service is a service for those who have previously registered as a member.
- a test tube for putting a blood sample 19 and a server computer of the information center 1 are provided.
- a kit containing a set of instructions for connecting to 1 may be sold, and the consumer purchasing the kit may receive the service on a one-time basis.
- the customers 2 to 7 put the patient's blood in the test tube received from the information center 11 and send the blood sample 19 to the information center 1.
- the information center 1 uses the DNA chip reader 12 to measure the amount of expressed mRNA of the received blood sample 19 by a known method.
- the information center 11 operates the server computer 11 to start the circadian rhythm disorder, the estimation of the internal time, and the information provision processing.
- step S301 initialization is performed. Details of the processing in step S301 will be described based on the flowchart in FIG.
- step S351 the threshold D input by the user of the server computer 11 with the keyboard 78 or the like is input and registered in a threshold memory (not shown) of the HDD 75.
- the threshold value D is the maximum value of the Pearson product moment correlation coefficient G between the wave of the circadian oscillatory gene expression product in the sample and the wave of the estimated expression amount of the oscillatory gene product. For example, it is a threshold value indicating whether or not a circadian rhythm disorder is determined.
- the threshold value D be different depending on the number of circadian oscillatory genes in the sample.
- the threshold D is set to a smaller value as the number of oscillatory genes in the sample increases.
- the threshold value D is preferably 0.3 or more, preferably 0.5 or more.
- the threshold D is set to 0.5.
- the threshold U input by the user of the server computer 11 with the keyboard 78 or the like is input and registered in a threshold memory (not shown) of the HDD 75.
- the threshold value U is a threshold value that indicates a time lag between the estimated internal time of the circadian oscillatory gene of the sample and the environmental time when the rhythmic disorder is determined. In the embodiment, it is two hours.
- step S353 the standard expression amount “standard variation amount” molecular time of each gene product of the standard sample is input.
- the circadian expression fluctuation curve of each gene product in the processing 103 in FIG. 6 ′, of the molecular timetable created in the molecular timetable creation processing, which corresponds to the site of the sample to be measured this time Molecular timetable table 15 Extract force and register in ROM74.
- step S354 the value of the standard expression level 'standard variation' molecular time is extracted from the molecular timetable corresponding to the site of the sample to be measured this time registered in step S353, and the equation of the circadian expression variation curve of the standard sample is extracted.
- T Molecular time of cosine wave (for example, it can be 144 kinds of time in 10 minute increments from 0 60, 10X60, 20 no 60, 30/60, ⁇ ⁇ ⁇ ⁇ , 1420/6 0, 1430 60)
- step S355 the circadian expression fluctuation curve is normalized.
- the standard expression level is subtracted from the circadian expression fluctuation curve of the oscillatory gene of the standard sample, and then divided by the standard fluctuation amount to obtain a relative overview of the expression fluctuation curve of each circadian oscillatory gene of the standard sample.
- T Molecular time of cosine wave (for example, it can be 144 kinds of time in 10-minute increments up to 0Z60, 10/60, 20 60, 30/60,..., 142060, 1430Z60)
- step S301 in FIG. 10 ends.
- step S302 of FIG. 10 the sampling time S of the sample to be measured this time input by the user of the server computer 11 is registered in the RAM 73.
- This sampling time S is the environmental time.
- step S303 the circadian oscillation gene expression product amount measurement data of the sample is registered in the HDD 75. This step is performed by receiving the measurement data of the circadian oscillatory gene expression product amount of the sample from the DNA chip reader 12 by the operation of the server computer 11 user.
- step S304 the amount of the circadian oscillation gene expression product of the sample is normalized, and the relative expression amount of each circadian oscillation gene product of the sample is determined.
- the process in step S304 will be described in detail with reference to FIG.
- step S361 the standard expression amount of the standard sample is subtracted from the circadian oscillation gene expression product amount of the sample.
- This standard expression level is a value obtained by calculating the average value of the expression level of the oscillatory gene product in the standard sample for each gene.
- step S362 the value obtained in step S361 is divided by the standard variation of the standard sample. This standard variation is a value obtained by calculating the standard deviation of the expression level of the circadian oscillatory gene product in the standard sample for each gene.
- step S304 the normalization process of the circadian oscillatory gene expression product of the sample in step S304 is completed, and the relative expression amount of the oscillatory gene product of each sample is obtained. You.
- step S306 it is determined whether or not the value substituted for t in the formula ⁇ (t) of the relative circadian expression fluctuation curve of the standard sample is larger than 24.
- step S306 Expression of relative circadian expression fluctuation curve of standard sample
- step S306: NO expression of relative circadian expression fluctuation curve of standard sample ⁇
- step S307 the estimated relative amount of the oscillatory gene expression product and the estimated relative of the oscillatory gene product at each time t at time t
- the Pearson correlation coefficient c with the expression level is calculated.
- step S307 The processing in step S307 will be described in detail with reference to FIG.
- step S371 an estimated relative expression level at time t on the relative circadian expression fluctuation curve of each circadian oscillatory gene is obtained.
- one record of each circadian oscillator gene in the molecular timetable is read, and the relative circadian expression fluctuation curve of the circadian oscillator gene is obtained.
- the value at time t on the relative circadian expression fluctuation curve is obtained, and is used as the estimated relative expression level. This process is performed for all the vibration genes.
- step S372 the relative expression amount of the circadian oscillatory gene product of the sample at the sampling time obtained by normalizing in step S304 and the estimation at time t on the relative circadian oscillatory variation curve of each circadian oscillatory gene
- the Pearson product moment correlation coefficient with the relative expression level is calculated, and the obtained value is registered in the RAM 73 in association with the value of Tokii I, and the processing in FIG. 13 is completed.
- dt is 10 minutes, that is, 1060 hours.
- step S306 it is determined whether the value substituted for t in the expression ⁇ (t) of the relative variation expression curve of the standard sample is greater than 24.
- step S306 If the value substituted for t in the formula ⁇ (t) of the relative circadian expression fluctuation curve of the standard sample is greater than 24 (step S306: YES), the relative expression level of each circadian oscillatory gene in the sample and Approximate time at all times until 24:00, assuming that the calculation of the Pearson product-moment correlation coefficient between the relative circadian expression fluctuation curve and the estimated relative expression level of the circadian oscillation gene has been completed. Then, the process proceeds to step S309 to search for the internal time T that gives the maximum value G and the maximum value C of the Pearson product moment correlation coefficient c.
- a data group of the Pearson product-moment correlation coefficient c registered in the RAM 73 is obtained, and the maximum Pearson product-moment correlation coefficient value is extracted from the data group and set as the maximum value G.
- the time t corresponding to the maximum value G of the Pearson product moment correlation coefficient is obtained, and the time t is determined as the internal time T at which the maximum value C is given.
- the maximum value C and the internal time T are registered in the RAM 73 as the maximum value G and the internal time T of the sample.
- step S310 it is determined whether or not the maximum value G registered in the RAM 73 satisfies G ⁇ threshold value D.
- the threshold value D is registered as 0.5, in this step, it is determined whether the maximum value C is less than 0.5.
- step S310 determines that the oscillating gene is not oscillating normally and determines that this sample is a circadian rhythm disorder in step S311, and also examines the internal time information table 16 In the judgment result 167 of the presence or absence of the circadian rhythm disorder of the corresponding reception number, “1 J” indicating the rhythm disorder is registered.
- step S31 0: NO If the maximum value C is not equal to the threshold value D (step S31 0: NO), that is, if the maximum value C is equal to or greater than the threshold value, the relative approximate value at the sampling time of the sample is determined. Since there is a time T at which the amount of the expression product of the circadian gene and the estimated relative expression amount of the oscillating gene are similar to each other, the test subject of this sample is supposed to have a normal circadian oscillation of the circadian oscillator. Proceeding to step S312 and determine that the absolute value of the difference between the internal time T and the sampling time S is
- Step S312 YES
- Step S313 it is determined that the sample is too large even if the general error of the rhythm is considered, and at the same time, the sample is determined to have a circadian rhythm disorder.
- Step S313 it is determined that the sample is too large even if the general error of the rhythm is considered, and at the same time, the sample is determined to have a circadian rhythm disorder.
- “1” indicating rhythm disorder is registered.
- step S314 the in-vivo time T calculated in step S309 is registered in the in-vivo time information estimation table 168 of the corresponding reception number in the in-vivo time information table 16, and the process ends.
- step S312 NO
- the time lag from the sampling time S which is the environmental time
- T the internal time of the subject
- rhythm disorder determination processing and the in-vivo time estimation processing are ended.
- a process of browsing the general rhythm disorder presence / absence and internal time information registered in the server computer 11 from the customers 2 to 7 will be described.
- the internal time information report screen 91 provided by the server computer 11 displays the internal time information shown in FIG. Receive report 300.
- an initial screen of the internal time information providing service (not shown) is displayed.
- This initial screen displays general information on internal time and medication time management, as well as a [D, password input screen display button for switching to a member-only screen of the internal time information service.
- Clicking the ID / password input screen display button displays an ID / password input screen (not shown).
- the server computer 11 searches the internal time information table 16 using the customer's customer number 162 as a key, extracts the customer's record, and retrieves the internal time. Create data for the information report screen 91.
- the data for the internal time information report screen 91 is transmitted to the terminal computer 21 side.
- the user logs in to the screen dedicated to the member of the ID, and the internal time information report screen 91 shown in FIG. 14 is displayed.
- the internal time information list 910 of the sample for which the logged-in member has requested rhythm disorder determination and internal time estimation a close button 921 to close the internal time information report screen 91
- download check Checked box 91 9 A download button 922 for downloading the judgment / estimation result regarding the sample and a logout button 923 are displayed.
- the in-vivo time information list 91 0 is a list of in-vivo time information for each sample, and for each sample, the reception number 91 1 of the sample, the number of the subject to be tested 91 2, the collection time 91 3 of the sample, Receiving date 914 indicating the date when the information center received the sample 914, presence or absence of rhythm disorder 915 which is the test result of the sample, internal time information 916 which is the test result of the sample, and A button 917 for displaying a history screen of the internal time information, a button 918 for displaying a comment on the test result of the sample, and a download button 910 for downloading the test result of the sample are displayed.
- the user can browse the history of the past results of the test subject of the sample displayed in the list.
- the server computer 11 may store a program for performing data analysis on the internal time information of a large number of test subjects obtained by providing the internal time estimation system.
- This program calculates in-vivo time information for each age, gender, race, disease, disease and height, weight, etc., and work style, and correlates human body time with human characteristics. May be analyzed. The results of the analysis of the correlation between the human body time and the characteristics of humans obtained by the analysis can be used to promote human health and countermeasures against diseases.
- the information center 11 When receiving the blood sample 19, the information center 11 receives characteristic data such as the date of birth, gender, race, illness, height and weight of the test subject along with the test subject number 165.
- This data may be received via the Internet 13 when the blood sample 19 is received, or a paper on which the data is written may be received together with the blood sample 19.
- the characteristic data of each test subject received by the information center 11 is registered in the test subject characteristic table 17 in FIG. 15 of the server computer 11.
- Fig. 16 shows an example of the data analysis results.
- the data analysis results were used to diagnose subsequent sleep-wake rhythm disorders (such as delayed sleep phase syndrome, advanced sleep phase syndrome, non-24 hour sleep "wake-up syndrome”), seasonal depression, and jet lag syndrome (JET-LAG). May be used.
- sleep-wake rhythm disorders such as delayed sleep phase syndrome, advanced sleep phase syndrome, non-24 hour sleep "wake-up syndrome”
- JET-LAG jet lag syndrome
- the expression fluctuation curve is limited as long as it is a mathematical expression of the circadian oscillating gene expression expression from finite expression data and is created based on the expression level measured over time. Not done.
- the circadian expression fluctuation curve can also be created by a method of creating a periodic curve by Fourier transform of the measured data of the expression level of each circadian oscillatory gene over time (Reference 1).
- the ⁇ Fourier transform '' is a principle announced by the French mathematician and physicist Fourier. Is an expression used to switch back and forth between two expressions in a transformation method based on The following is a mathematical expression.
- sampling interval is ⁇ .
- discrete Fourier transform can be defined as follows. 7jtikn,
- N 'w 0, l, 2 ".., N—l
- the time function h (t) can be estimated as follows.
- the circadian expression fluctuation curve can also be created by an interpolation curve creation method using an interpolation method such as spline interpolation (Reference 1). It is an interpolation method used for line generation, finite element method, function approximation, fitting of experimental data, etc. (References 1 and 2).
- the value on the circadian expression fluctuation curve is substituted by substituting a certain time t, and the corresponding standard
- the value on the relative expression change curve can be obtained by subtracting the expression amount and dividing by the standard change amount.
- the estimation of the time in the body is performed using the relative circadian rhythm previously prepared for any circadian oscillating gene group of 6 or more (preferably 30 or more, more preferably 50 or more, particularly preferably 100 or more). It is possible to estimate the time showing the highest similarity between the value at a certain time on the expression fluctuation curve and the relative expression level of the expression product of the circadian oscillatory gene group measured separately as the internal time. For example, when a circadian expression fluctuation curve is created by a cosine wave and the similarity is calculated as a Pearson product moment correlation coefficient, when the highest similarity shows a correlation coefficient of 0.5 or more, It is possible to estimate the internal time within an error range of 2 hours.
- the general oscillator gene used for estimating the internal time may be a known general oscillator gene or a gene extracted by a DNA chip method or the like (a gene whose function is unknown) as long as it has the properties of the circadian oscillator gene in this specification. May be included).
- the similarity can be determined by using a learning algorithm such as a support vector machine, a genetic algorithm, a neural network, or the like. It is also possible to estimate the internal time by learning.
- References cited in the present specification are, as for Reference 1, Numerical Recipe-in 'Ci, William H. Press Hokki, Technical Review, and Reference 2, G's spline function, data analysis, CG, supervised by differential equations 1 Akira Sakurai, author Keisuke Kanno, Kazumi Yoshimura, Fumio Takayama, Tokyo Denki University Press, Reference 3 Basic Statistics I, Introduction to Statistics The Department of Statistics, Faculty of Liberal Arts, The University of Tokyo. Industrial applicability
- the present invention by comparing the measured data with the circadian expression fluctuation curve specified by the molecular timetable, it is possible to determine whether the biological individual has a circadian rhythm disorder and If there is no circadian rhythm disorder, since there is provided internal time information deriving means for deriving internal time information including the internal time estimation result of the biological individual, the measurement data of the specimen obtained by one sampling and the predetermined biological species
- internal time information deriving means for deriving internal time information including the internal time estimation result of the biological individual, the measurement data of the specimen obtained by one sampling and the predetermined biological species
Abstract
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AU2003252284A AU2003252284A1 (en) | 2002-07-30 | 2003-07-29 | Apparatus for forming molecular timetable and appratus for estimating circadian clock |
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CA002494360A CA2494360A1 (en) | 2002-07-30 | 2003-07-29 | Molecular timetable generating apparatus and internal biological clock estimating apparatus |
US10/522,735 US20060078883A1 (en) | 2002-07-30 | 2003-07-29 | Apparatus for forming molecular timetable and apparatus for estimating circadian clock |
EP03771398A EP1542149A1 (en) | 2002-07-30 | 2003-07-29 | Apparatus for forming molecular timetable and appratus for estimating circadian clock |
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EP2180047A1 (en) | 2008-10-07 | 2010-04-28 | Sony Corporation | Biorhythm information acquisition method |
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JP3931239B2 (ja) * | 2004-02-18 | 2007-06-13 | 独立行政法人物質・材料研究機構 | 発光素子及び照明器具 |
JP5365199B2 (ja) * | 2009-01-06 | 2013-12-11 | ソニー株式会社 | ライフスタイルを評価するための方法、情報処理装置及びプログラム |
JP5620134B2 (ja) * | 2009-03-30 | 2014-11-05 | アバイア インク. | グラフィカル表示を用いて通信セッションの信頼関係を管理するシステムと方法。 |
JP5644231B2 (ja) * | 2010-07-23 | 2014-12-24 | ソニー株式会社 | 生体リズム推定装置、生体リズム推定方法およびプログラム |
EP3492605A1 (en) | 2017-12-01 | 2019-06-05 | Charité Universitätsmedizin Berlin | Bodytime - a new diagnostic tool to assess the internal clock |
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AU2002330077A1 (en) * | 2001-09-21 | 2003-04-01 | University Of Rochester | Circadian control of stem/progenitor cell self-renewal and differentiation and of clock controlled gene expression |
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2003
- 2003-07-29 KR KR1020057001477A patent/KR20050026016A/ko not_active Application Discontinuation
- 2003-07-29 CN CNA038181444A patent/CN1672162A/zh active Pending
- 2003-07-29 CA CA002494360A patent/CA2494360A1/en not_active Abandoned
- 2003-07-29 EP EP03771398A patent/EP1542149A1/en not_active Withdrawn
- 2003-07-29 JP JP2004524177A patent/JPWO2004012128A1/ja not_active Withdrawn
- 2003-07-29 US US10/522,735 patent/US20060078883A1/en not_active Abandoned
- 2003-07-29 WO PCT/JP2003/009579 patent/WO2004012128A1/ja not_active Application Discontinuation
- 2003-07-29 AU AU2003252284A patent/AU2003252284A1/en not_active Abandoned
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JPH04506020A (ja) * | 1989-06-15 | 1992-10-22 | ブリガム・アンド・ウイメンズ・ホスピタル | 内生概日周期ペースメーカーの改変 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009008374A1 (ja) | 2007-07-06 | 2009-01-15 | Sony Corporation | 生体リズム情報取得方法 |
JP2009034100A (ja) * | 2007-07-06 | 2009-02-19 | Sony Corp | 生体リズム情報取得方法 |
US8420343B2 (en) | 2007-07-06 | 2013-04-16 | Sony Corporation | Acquisition method for biological rhythm information |
EP2180047A1 (en) | 2008-10-07 | 2010-04-28 | Sony Corporation | Biorhythm information acquisition method |
WO2010044481A1 (ja) * | 2008-10-16 | 2010-04-22 | ソニー株式会社 | 生体リズム予測方法 |
JP2010094072A (ja) * | 2008-10-16 | 2010-04-30 | Sony Corp | 生体リズム予測方法 |
Also Published As
Publication number | Publication date |
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CN1672162A (zh) | 2005-09-21 |
AU2003252284A1 (en) | 2004-02-16 |
EP1542149A1 (en) | 2005-06-15 |
US20060078883A1 (en) | 2006-04-13 |
JPWO2004012128A1 (ja) | 2005-11-24 |
CA2494360A1 (en) | 2004-02-05 |
KR20050026016A (ko) | 2005-03-14 |
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