CN102511980A - Preparation method for preparing mementoes storing genetic information of human bodies in direct coating manner - Google Patents

Preparation method for preparing mementoes storing genetic information of human bodies in direct coating manner Download PDF

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Publication number
CN102511980A
CN102511980A CN201110458461XA CN201110458461A CN102511980A CN 102511980 A CN102511980 A CN 102511980A CN 201110458461X A CN201110458461X A CN 201110458461XA CN 201110458461 A CN201110458461 A CN 201110458461A CN 102511980 A CN102511980 A CN 102511980A
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China
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preparation
human body
paraffin
stores
gene information
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CN201110458461XA
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Chinese (zh)
Inventor
肖义军
张彦定
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Fujian Normal University
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Fujian Normal University
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Priority to CN201110458461XA priority Critical patent/CN102511980A/en
Publication of CN102511980A publication Critical patent/CN102511980A/en
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Abstract

The invention relates to a preparation method for preparing mementoes storing genetic information of human bodies in a direct coating manner. The preparation method is characterized by comprising the steps as follows: (1), tissue cells of the human bodies are extracted from organisms are rapidly put in fixing agents for cell immobilization, the tissue cells that are immobilized are dehydrated through dehydrating agents and are cleared and wax-saturated through dimethylbenzene for standby application; (2), the immobilized tissue cells of the human bodies are embedded in paraffin so as to manufacture paraffin blocks after being dehydrated; and (3), the paraffin blocks containing the tissue cells of the human bodies in the second step are embedded in hard gum. According to the preparation method, the tissue cells containing entire genome of human bodies are embedded in paraffin and resin, so that DNA (Deoxyribose Nucleic Acid) in the tissue cells can be preserved integrally for a long time and can also be convenient to be used as the mementoes independently, the emotional carrier meaning of the mementoes can be enhanced greatly, and the technical difficult problem that human beings desire to preserve self life information for a long time over the years can be solved.

Description

The direct coated legal system stores the preparation method of the souvenir article of human body gene information fully
Technical field
The present invention relates to a kind of souvenir article that stores human body gene information and preparation method thereof; Specifically; Relate to the souvenir article that a kind of direct coated method preparation includes human tissue cell; Stored in the human tissue cell that comprises in these article should individuality full gene information, these article can constitute a souvenir article separately, or inlay, are bonded in the form of embryo spare and form souvenir article jointly on other article.
Background technology
Souvenir is one type of article that carry human particular emotion, and people that its souvenir value is big or small and specific or specific incident are relevant.For example the modern entrusts to the care of cherishing the memory of the ancestor through the bone ash, remains, the photo that keep own ancestor usually; Often express friendship each other through the giff-gaff article between lovers, the friend, Fans also often hope to obtain them and worship that certain article of being crazy about object satisfy the psychological needs of oneself.The product that can carry human emotion's element often can obtain high added value, and the high price of various luxury goods is exactly good example.
Material from individual health in the souvenir article has individual uniqueness, thereby possesses specific emotive meaning, is the souvenir article that has sentimental value.For example, have the hair of preserving lover, ancestor or cult figure to entrust to the care of the custom of emotion European people, oriental countries such as ancient china, India have preserves the custom of enshrining and worship Buddhist monk's Sharipu, the custom that the African has preservation to enshrine and worship first human skull, or the like.But these article are " extremely " materials, wherein do not store and represent the specific gene information of individual life.
Do not have duplicate people in the world, this uniqueness is by its genome decision.The article that contain human genome have individual uniqueness, its commemorate meaning be general commemorative article can not compare.Science and technology development in the future particularly, individual genome might be expressed in new cell again, and this is sensing the possibility that should individuality has resurrection in the future.The life-information of oneself preserved forevermore to get off be the hope that the mankind dream of, the complete preservation of gene information of oneself is got off just might realize this hope.
Gene information is stored among the DNA, people's DNA is present in the middle of the nucleus and mitochondria of cell, comprised in each normal cell should individuality the full gene group, say that from the angle of gene information can represent from the normal cell in the individual health should individuality.Preserve individual complete genome group, must preserve complete cell.But histocyte breaks away from behind the body or can cell after the body death can very fast autolyze, make dna degradation wherein.
Biomedical research finds, if the in vitro tissue cell put into biological fixation agent such as formalin rapidly, can make protein generation sex change and avoids the self-dissolving of cell, make cell structure, preserve to stable components.The destruction of causing DNA but the fixative that has can react with DNA selects suitable fixative can make DNA injury-free basically (Sato Y, 1990 in the cell; Wu; 1990); But solution or airborne oxygen can cause damage to DNA in the long preservation process; If can select suitable store method to make fixing cell secluding air, just can avoid in the long preservation process oxygen to the damage of dna structure, thereby the complete preservation of DNA in the cell is got off.Histocyte after fixing is embedded in the paraffin and can addresses this problem preferably.From paraffin-embedded tissue, extract DNA and also do not have technical difficulty (Goelz SE, 1985 at present; Dubeau L, 1986; Liu Shuiping, 2009).To stablize the histocyte material of having preserved DNA and common souvenir article through certain method and combine and just can make a kind of souvenir article that contains the particular individual genomic information, and possess specific souvenir and be worth.The object of the invention just provides a kind of souvenir article that contains the particular individual intact cell; This souvenir article can be used as embryo spare and combines through mode and other souvenir articles such as inlaying, bonding; Also can have the souvenir article that contains this individuality full gene information thereby constitute one separately as a souvenir article.How to make that genome in the intact cell is kept at steadily in the long term that a kind of suitable individual carries, in the household arrangement in the souvenir article; And can also easily the cell of wherein preserving be taken out the analyzing and testing of carrying out DNA when needed, be the technical problem that the present invention will solve.
Existing several the publications of technology souvenir that comprise human material.Publication ZL 02120544.2 discloses the ornaments of a kind of DNA of including; Be loaded in a certain vesica DNA that is extracted from human body cell totally-enclosed in ornaments; The DNA that this method obtains is the part DNA in the cellular genome; Be not complete full gene group, and can not long preservation under the DNA normal temperature under this state, be difficult to reach requirement as the souvenir long preservation.Publication CN 1817263A discloses the ornaments of a kind of DNA of including; The DNA that obtains equally is the part DNA in the cellular genome; Be not complete full gene group, and can not long preservation under the DNA normal temperature under this state, be difficult to reach requirement as the souvenir long preservation.Publication CN 101711619 A disclose a kind of body object family-love keepsake pendant that human body breaks away from thing that comprises, and wherein said human body breaks away from thing to be handled without fixative, can not preserve DNA composition contained in the cell.
Summary of the invention
One of the object of the invention provides a kind of souvenir article that contains particular individual intact cell group.Stored in the cell mass cell in souvenir article should individuality full gene information.This souvenir can be used as embryo spare, combines through mode and other souvenir articles such as inlaying, bonding, or separately as commemorating object, thereby constitute a souvenir article that contains this individuality full gene information.
Two of the object of the invention provides the preparation method that a kind of direct coated method preparation contains the souvenir article of particular individual intact cell group, contains the histocyte of the storage human body gene information of various excisions or collection in the prepared souvenir article.The histocyte that will include human body full gene group through this method; Further encapsulate the direct seamless mode that encapsulates in the resin of hard transparent after encapsulating through paraffin earlier; Process souvenir article, make that the DNA in the cell has obtained the long-term preservation of complete sum with given shape.
For realizing that the technical scheme that the object of the invention adopts is:
Concrete preparation process is following:
1. fixative is fixed and is handled human tissue cell
The histocyte that to take from human body places under the fixative low temperature fully fixing rapidly.
Described histocyte is meant blood cell, placenta tissue, umbilical cord tissue, Cord blood, appendix tissue, the hair follicle cell piece of tissue that from single human body, obtains.
Described fixative is meant neutral buffered formalin solution, ethanolic solution or acetone.
Described low temperature is meant the temperature between 3～10 ℃.
2. FFPE
Histocyte after fixing is transparent through dehydrating agent dehydration, xylenes, paraffin passes through wax, and last totally-enclosed shape is embedded in the paraffin, and paraffin mass can be made various given shapes.
Described dehydrating agent is concentration gradient alcohol or acetone.
Described wax is meant paraffin is boiled or through vacuumizing to remove air wherein in advance repeatedly.
3. resin embedding
In the mould of preparation in advance, adopt the direct coated mode that paraffin mass is totally-enclosed in resin.
Described histocyte is meant blood cell, placenta tissue, umbilical cord tissue, Cord blood, appendix tissue or the hair follicle cell that obtains from single human body.
During direct coated; In the mould of preparation in advance, inject half liquid resin; Treat that it aggregates into that will to be coated with histiocytic paraffin mass behind the semi-solid fixing wherein; Add all the other liquid resins again and make paraffin mass totally-enclosed in resin, treat that the resin back demoulding of hardening fully carries out surperficial skiving and handle and get final product.
Resin of the present invention is meant and well known to a person skilled in the art epoxy resin, plexiglass or the unsaturated polyester resin that is used for the manufacturing process article.
The present invention has produced following beneficial effect:
1, the present invention selects for use suitable fixative to fix, be embedded in paraffin and the resin through including the complete genomic histocyte of people; Make the DNA in the cell both obtain the long-term preservation of complete sum; Be convenient to again separately to combine through mode such as inlaying, bonding as souvenir article or with the form of embryo spare and other objects; Make the intact cell of having preserved the cell supplier on this object and the full gene information of therefore having preserved the cell supplier; Greatly strengthen the emotion carrier meaning of this souvenir object, thereby increased the souvenir value of this souvenir object greatly.Long-term permanent preservation self life is human basic hope; The invention solves the histocyte long-term stability that will comprise people's full gene information and be kept at the technical problem in a kind of appropriate articles, solved the human technical barrier of thirsting for long preservation self life-information of solution for a long time.
2, the present invention also has great value for the protection of mankind's inheritance resources.Generally speaking; People just carry out in the pathologic finding just the check of drawing materials of health diseased region histocyte in hospital; Purpose be the inspection this position histocyte whether certain pathology appears, the histocyte that takes off mostly abandon after the detection or of short duration preservation after abandon.The present invention is stored in people's histocyte and commemorates in the object after fixing the processing, make people can be willing to and long preservation self or other people genetic resources easily, and these preserve the mankind's inheritance resources of getting off can provide material for scientific research in the future.Under the situation that particularly social in modern times increasing people is reluctant to give birth to, some precious mankind's inheritance resources might be able to preserve in this way.
Description of drawings
Fig. 1 is that histocyte successively encapsulates the coin souvenir Facad structure sketch map in paraffin and resin;
Fig. 2 is the structural representation that histocyte successively encapsulates the suspension member shape souvenir in paraffin, resin among the embodiment 1.
Histocyte is embedded in the paraffin, contains histiocytic paraffin mass and is cut into fine granularity, is embedded in the resin again, and is seamless between paraffin and the resin, directly bonding.
The specific embodiment
With by way of example the present invention is done further elaboration below in conjunction with accompanying drawing, but therefore do not limit scope of the present invention.
Among Fig. 1, the 1st, resin; The 2nd, paraffin; The 3rd, histocyte group.
Among Fig. 2, the 1st, resin; The 2nd, paraffin; The 3rd, histocyte group.
Embodiment 1
Step 1. is drawn materials fixing: extract people's venous blood 1 ~ 10 mL in the centrifuge tube that heparin was handled; The centrifugal 5min of 1000 rpm; Remove the upper strata supernatant; Stay cell precipitation, 5 mL precooling buffered formalin fixers (4 ℃) joined fixed cell 10 min in the cell precipitation, during gently vibration deposition is disperseed;
Step 2. dehydration, transparent and FFPE: add the gradient concentration dehydration of alcohol after fixing the completion, the alcohol concentration gradient is 75% → 85% → 95% → 100% → 100%, 10 min that at every turn dewater, and centrifugal 5 min of 1000rpm get off cell precipitation then; Use xylenes to carry out transparent processing then, program is 1/2 absolute alcohol+1/2 xylenes → xylenes → xylenes, each 5 min, and centrifugal 5 min of 1000rpm make cell precipitation then; The program of passing through wax is: 1/2 xylenes+paraffin → paraffin → paraffin, and each 10 min carry out under 50 ~ 60 ℃, draw following one program of cell entering from the centrifuge tube bottom with the glue head straw at every turn; Embedding: will boil the paraffin of removing air earlier repeatedly and place 60 ℃ of fusings; Pour into and place in the mould under the room temperature, when treating that paraffin is half curdled appearance, draw and pass through the good haemocyte of wax and splash into; Adding 60 ℃ of melting wax when being half curdled appearance once more is to be full of entire die; Place and promptly accomplish the FFPE process after solidifying under the room temperature, paraffin mass can be engraved as given shape, but the also mould of prepared beforehand specific modality;
Step 3. resin embedding: the mould of the good given shape of prepared beforehand, the one deck of surface spraying within it releasing agent, dry for standby; Choose with second dihydroxylic alcohols, glycerine is the mixing unsaturated-resin raw material (vacuum suction in advance) of main material; Add an amount of styrene as the diluent mixing; Get the part mixing liquid and add an amount of methyl ethyl ketone peroxide again and inject mould after as the curing agent mixing, treat that the paraffin mass that when it is semi-solid step 2 is obtained puts into wherein, the liquid resin that will add the curing agent mixing is once more filled with The model; Treat that its curing and demolding carries out surperficial skiving and handle and get final product, its profile is as shown in Figure 2.
Embodiment 2
Change the fixative of step 1 among the embodiment 1 into 95% alcohol, gradient alcohol dehydration is directly since 100% in the step 2.Other is with embodiment 1.
Embodiment 3
Step 1. is drawn materials fixing: extract people's venous blood 1 ~ 10 mL in the centrifuge tube that heparin was handled, centrifugal 5 min of 1000rpm remove the upper strata supernatant, stay cell precipitation, add 4 ℃ of acetone fixed 10 min, and are centrifugal, remove supernatant;
Step 2. dehydration, transparent and FFPE: with cell precipitation with acetone respectively 4 ℃ with each 15 min of room temperature dehydration, use methyl benzoate and xylenes transparent more respectively, each 15min, wax, FFPE program are with embodiment 1 thoroughly;
Step 3. resin embedding: with embodiment 1 step 3.
Embodiment 4
Step 1. is drawn materials fixing: extract people's venous blood 1 ~ 10 mL in the centrifuge tube that heparin was handled; The centrifugal 5min of 1000rpm removes the upper strata supernatant, stays cell precipitation; 5 mL precooling buffered formalin fixers (4 ℃) are joined fixed cell 10 min in the cell precipitation; Vibration disperses deposition gently during this time, and the centrifugal 5min of 1000rpm removes the upper strata supernatant; The agar heating for dissolving of 5% mass concentration is added drop-wise to when being cooled to 50 ℃ of left and right sides on the cell after fixing, and shakes centrifuge tube gently cell is suspended in the agar, and agar block solidifies the back suitably to be pruned, and removes unnecessary agar;
Step 2. dehydration, transparent and FFPE: add the gradient concentration dehydration of alcohol after fixing the completion, the alcohol concentration gradient is 75% → 85% → 95% → 100% → 100%, and 15 min dewater at every turn; Use xylenes to carry out transparent processing then, program is 1/2 absolute alcohol+1/2 xylenes → xylenes → xylenes, each 15 min; The program of passing through wax is: 1/2 xylenes+paraffin → paraffin → paraffin, and each 10 min carry out under 50 ~ 60 ℃, at every turn with following one program of tweezers gripping agar block entering; Embedding: will place 60 ℃ of fusings through boiling the paraffin of removing air repeatedly; Pour mould into and place under the room temperature, when treating that paraffin is half curdled appearance, put into passing through the good agar block of wax; Add 60 ℃ of melting wax when being half curdled appearance once more to being full of entire die; Place and promptly accomplish the FFPE process after solidifying under the room temperature, paraffin mass can be engraved as given shape, but the also mould of prepared beforehand specific modality;
Step 3. is with embodiment 1 step 3.

Claims (10)

1. a direct coated legal system stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that the fixing human tissue cell that handles of (1) fixative
The histocyte that to take from human body places under the fixative low temperature fully fixing rapidly;
(2) FFPE
Histocyte after fixing is transparent through dehydrating agent dehydration, xylenes, paraffin passes through wax, and last totally-enclosed shape is embedded in the paraffin, and paraffin mass can be made various given shapes;
(3) resin embedding
In the mould of preparation in advance, adopt the direct coated mode that paraffin mass is totally-enclosed in resin.
2. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described fixative is meant neutral buffered formalin solution, ethanolic solution or acetone.
3. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described histocyte group is meant blood cell, placenta tissue, umbilical cord tissue, Cord blood, appendix tissue or the hair follicle cell that obtains from single human body.
4. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described low temperature is meant the temperature between 3～10 ℃.
5. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described dehydrating agent is concentration gradient alcohol or acetone.
6. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described wax is meant paraffin is boiled or through vacuumizing to remove air wherein in advance repeatedly.
7. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully; It is characterized in that described direct coated is meant the liquid resin raw material that in the mould of preparation in advance, injects half; Treat that it aggregates into that will to be embedded with histiocytic paraffin mass behind the semi-solid fixing wherein, adds all the other liquid resin raw materials again and makes paraffin mass totally-enclosed in resin.
8. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described fixative is meant neutral buffered formalin solution, ethanolic solution or acetone.
9. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described dehydrating agent is alcohol or acetone.
10. direct coated legal system according to claim 1 stores the preparation method of the souvenir article of human body gene information fully, it is characterized in that described resin is meant epoxy resin, plexiglass or unsaturated polyester resin.
CN201110458461XA 2011-12-31 2011-12-31 Preparation method for preparing mementoes storing genetic information of human bodies in direct coating manner Pending CN102511980A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104337140A (en) * 2013-08-09 2015-02-11 上海派莱星生物技术有限公司 Method for long-term household preservation of individual biological tissue cells and active DNA of individual biological tissue cells
CN105124873A (en) * 2015-09-08 2015-12-09 钟璐璠 Novel breast milk ornament and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306402A (en) * 1998-06-24 2001-08-01 恒星基因有限公司 Method of preparing objects contg. DNA
CN1386455A (en) * 2002-05-28 2002-12-25 詹金彪 Decoration containing DNA and its preparing process
CN1817263A (en) * 2006-03-17 2006-08-16 哈尔滨基太生物芯片开发有限责任公司 Souvenir containing DNA and production thereof
CN100451649C (en) * 2004-01-08 2009-01-14 中南大学湘雅医学院肿瘤研究所 Cell chip manufacturing method and its device
CN101575441A (en) * 2008-05-07 2009-11-11 上海优你生物科技有限公司 Method for long-term preservation for nucleic acid molecular and package for implementing long-term preservation
ES1072967U (en) * 2010-06-30 2010-10-14 Julio Rodriguez Bago "personal identifyable object carried out by a person or animal" (Machine-translation by Google Translate, not legally binding)
CN201630372U (en) * 2010-04-13 2010-11-17 谢清青 Ring
JP3167606U (en) * 2010-12-28 2011-05-12 良親 北川 A memorial plate made of resin in which existing personal DNA is embedded

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306402A (en) * 1998-06-24 2001-08-01 恒星基因有限公司 Method of preparing objects contg. DNA
CN1386455A (en) * 2002-05-28 2002-12-25 詹金彪 Decoration containing DNA and its preparing process
CN100451649C (en) * 2004-01-08 2009-01-14 中南大学湘雅医学院肿瘤研究所 Cell chip manufacturing method and its device
CN1817263A (en) * 2006-03-17 2006-08-16 哈尔滨基太生物芯片开发有限责任公司 Souvenir containing DNA and production thereof
CN101575441A (en) * 2008-05-07 2009-11-11 上海优你生物科技有限公司 Method for long-term preservation for nucleic acid molecular and package for implementing long-term preservation
CN201630372U (en) * 2010-04-13 2010-11-17 谢清青 Ring
ES1072967U (en) * 2010-06-30 2010-10-14 Julio Rodriguez Bago "personal identifyable object carried out by a person or animal" (Machine-translation by Google Translate, not legally binding)
JP3167606U (en) * 2010-12-28 2011-05-12 良親 北川 A memorial plate made of resin in which existing personal DNA is embedded

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104337140A (en) * 2013-08-09 2015-02-11 上海派莱星生物技术有限公司 Method for long-term household preservation of individual biological tissue cells and active DNA of individual biological tissue cells
CN105124873A (en) * 2015-09-08 2015-12-09 钟璐璠 Novel breast milk ornament and preparation method thereof

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Application publication date: 20120627