CN109100508A - A kind of chronic fatigue syndrome diagnostic kit - Google Patents

A kind of chronic fatigue syndrome diagnostic kit Download PDF

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Publication number
CN109100508A
CN109100508A CN201810742523.1A CN201810742523A CN109100508A CN 109100508 A CN109100508 A CN 109100508A CN 201810742523 A CN201810742523 A CN 201810742523A CN 109100508 A CN109100508 A CN 109100508A
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Prior art keywords
chronic fatigue
fatigue syndrome
diagnostic kit
syndrome diagnostic
kit according
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Inventor
李军华
谢苍桑
张利鹏
张溪之
徐畅
姜长安
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Zhuhai Zhongke Advanced Technology Research Institute Co Ltd
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Zhuhai Zhongke Advanced Technology Research Institute Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/577Immunoassay; Biospecific binding assay; Materials therefor involving monoclonal antibodies binding reaction mechanisms characterised by the use of monoclonal antibodies; monoclonal antibodies per se are classified with their corresponding antigens
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/531Production of immunochemical test materials
    • G01N33/532Production of labelled immunochemicals
    • G01N33/535Production of labelled immunochemicals with enzyme label or co-enzymes, co-factors, enzyme inhibitors or enzyme substrates

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  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
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  • Investigating Or Analysing Biological Materials (AREA)

Abstract

The invention discloses a kind of chronic fatigue syndrome diagnostic kits, including abzyme target, Biotin-Antibody, standard protein, serum dilution, Streptavidin-HRP, HRP chromogenic substrate, HRP chromogenic reaction terminator, negative controls and positive control solution;The abzyme target up to being coated with specific antibodies less, the specific antibodies include 18 kinds of monoclonal antibodies, specially TGF-β, Activin B, ICAM1, Resistin, Leptin, IFN-γ, CD40L, TNFSF10, M-CSF, PDGF-BB, interferon-inducible protein -10, IL-1RA, IL-7, IL-12p40, IL-12p70, IL-13, IL-17A and IL-17F.Compared with prior art, which has many advantages, such as that diagnosis effect is accurate and reliable and easy to operate.

Description

A kind of chronic fatigue syndrome diagnostic kit
Technical field
The present invention relates to field of medicine diagnostic technology, and in particular to a kind of chronic fatigue syndrome diagnostic kit.
Background technique
Chronic fatigue syndrome is one kind using fatigue as cardinal symptom, with low-heat, sore-throat, lymph node pain, muscle It is powerless, ache, arthralgia, headache, sleep disturbance and neuropsychic symptom such as irritability, amnesia, absent minded, depressed etc. Syndrome.According to the tentative diagnosis standard of United States Medicine, which has following three big core symptoms: 1) working, educates, society Or the ability of individual activity was continued to decline more than six months, and with serious, new fatigue symptom;2) tired after non-fatigue; 3) it cannot regain one's vigor after sleeping.Has at least one of following symptom: 1) cognitive function in addition, also needing to make a definite diagnosis during diagnosis Obstacle, such as disturbance of perception, memory disorders, the disturbance of thought;2) cannot often the time it is upright, such as vasovagal syncope, orthostatic Tachycardia complex disease, orthostatic hypotension, orthostatic hypertension etc..
In the prior art, since chronic fatigue syndrome has the clinical manifestation of multisystem discomfort, lack specificity, while mesh It is preceding also without be used for clinical detection molecule diagnosis kit, be usually misdiagnosed as neurasthenia, climacteric syndrome, endocrine Imbalance, neurosis etc., so that the treatment of patient is delayed.Therefore, there is an urgent need to a kind of the chronic tired of high accuracy at present Labor syndrome molecular diagnostic techniques.
Summary of the invention
The technical problems to be solved by the present invention are: chronic fatigue syndrome can be fast and accurately diagnosed to be by providing one kind Kit.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: chronic fatigue syndrome diagnosis examination Agent box, including abzyme target, Biotin-Antibody, standard protein, serum dilution, Streptavidin-horseradish peroxidase (Horse Radish Peroxidase, HRP), HRP chromogenic substrate, HRP chromogenic reaction terminator, negative controls and the positive Comparison liquid;
The abzyme target includes 18 kinds of monoclonal antibodies, tool up to specific antibodies, the specific antibodies are coated with less Body is transforming growth factor (transforming growth factor- β, TGF-β), recombined human activin (Activin B), intercellular adhesion molecule-1 (intercellular cell adhesion molecule-1, ICAM1), phylaxin (Resistin), people's leptin (Leptin), human interferon (Interferon- γ, IFN-γ), tumor necrosis factor associated activation Albumen (CD40L), tumor necrosis factor (tumor necrosis factor (ligand) superfamily-10, TRAIL Or TNFSF10), macrophage colony stimulating factor (Macrophage colony-stimulating factor, M-CSF), Human platelet-derived growth factor (Platelet-derived growth factor-BB, PDGF-BB), interferon-inducible Albumen -10 (CXCL10or IP-10), interleukin-1 receptor antagonist (Interleukin-1receptor Antagonist, IL-1RA), interleukin 7 (Interleukin-7, IL-7), IL-12p40, IL-12p70, IL-13, IL-17A and IL-17F.
Further, the specific antibodies can also include transforming growth factor (transforming growth Factor- α, TGF- α), IL-4, people's eosinophil chemokine (Eotaxin, preferably CCL11) and human soluble wither Die one of correlation factor ligand (Human soluble apoptosis related factor ligand, sFasL) Or it is a variety of.
Further, the abzyme target is prepared by following methods: the phosphate buffer for being 8.2 with pH (Phosphate Buffered Saline, PBS buffer solution) dilutes the concentration of the various antibody in the specific antibodies respectively It to 20-100 μ g/ml, is added in 96 hole elisa Plates by the additional amount in 100 holes μ l/, was placed under conditions of temperature is 2-8 DEG C Then night is washed with cleaning solution, the cleaning solution is the phosphate-buffered that pH is 7.4 containing 0.05% tween (Tween-20) Liquid, up to the abzyme target after drying.
Further, the Biotin-Antibody the preparation method comprises the following steps: by 18 kinds of monoclonal antibodies respectively with activation Biotin mixing is marked, up to the Biotin-Antibody after the unbonded biotin of dialysis removal.
Further, the serum dilution is composed of the following components: actrapid monotard 6U/ml, potassium dihydrogen phosphate 3g/L, phosphorus Sour disodium hydrogen 3g/L, sodium sulphate 5g/L, sodium chloride 22g/L, NaTDC 12g/L, EDTAP dipotassium ethylene diamine tetraacetate (dipotassium ethylene diamine tetraacetate, EDTA-2K) 0.5g/L, solvent is water.
Further, the pH value of the serum dilution is 6.4.
Preferably, the chromogenic substrate be tetramethyl benzidine (3,3', 5,5'-Tetramethylbenzidine, TMB)。
Further, the concentration of the TMB is 0.4mg/ml.
Further, the HRP chromogenic reaction terminator is sulfuric acid or hydrochloric acid.
Further, the concentration of the sulfuric acid is 2mol/L, and the concentration of the hydrochloric acid is 1mol/L.
Further, the negative controls are the normal human serum without the specific antibodies;The positive control solution For the normal human serum containing specific antibodies.
Further, the standard protein is that arbitrarily can be used for quantitative protein, such as bovine serum albumin(BSA) (Bovine Serum Albumin, BSA) etc..
The beneficial effects of the present invention are: the present invention program diagnostic kit, by 18 kinds and chronic fatigue syndrome The quantitative analysis of the relevant inflammation associated immune cells factor significantly improves and faces as the auxiliary diagnosis means of the syndrome Bed diagnosis rate;Solves the problems, such as chronic fatigue syndrome diagnostic means scarcity in the prior art;The judgement knot of kit of the present invention Fruit can provide objective laboratory foundation for the clinical diagnosis of chronic fatigue syndrome;The present invention program is in conventional enzyme linked immunological On the basis of adsorption test, by the effect between biotin and Streptavidin-HRP, a kind of life of high sensitivity is established Object element-enzyme-linked immunologic detecting kit, with measure the TGF-β in sample to be tested, Activin B, ICAM1, Resistin, Leptin, IFN-γ, CD40L, TNFSF10, M-CSF, PDGF-BB, interferon-inducible protein -10, IL-1RA, IL-7, The expression of IL-12p40, IL-12p70, IL-13, IL-17A and IL-17F totally 18 kinds of cell factors;Easily due to biotin With the protein such as antibody with Covalent bonding together, therefore, have biotin in the monoclonal antibody of biotin labeling easily with strepto- parent Reaction is generated with element-HRP, had both played the role of multistage amplification, simultaneously as enzyme can be sent out when encountering corresponding chromogenic substrate It gives birth to catalytic action and develops the color, to achieve the purpose that detect target antigen or antibody molecule;The present invention program diagnostic kit energy Enough contents for effectively, steadily measuring 18 kinds of cell factors in patients serum, high sensitivity, test repeatability are good;In addition, this The expression of 18 kind inflammation-associated cytokine of the scheme of the invention kit due to can detecte chronic fatigue syndrome patient's body Level is of great significance to the clinical detection rate for improving chronic fatigue syndrome, while also helping the early diagnosis of patient With pre- post-processing, the present invention program kit all has good application in the prevention of chronic fatigue syndrome and therapeutic process Prospect.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The embodiment of the present invention are as follows: a kind of chronic fatigue syndrome diagnostic kit, including abzyme target, biotin-are anti- Body, serum dilution, BSA, sulfuric acid, Streptavidin-HRP, HRP chromogenic substrate, negative controls and positive control solution;It is described For abzyme target up to specific antibodies are coated with less, the specific antibodies include 18 kinds of monoclonal antibodies, specially TGF-β, Activin B, ICAM1, Resistin, Leptin, IFN-γ, CD40L, TNFSF10, M-CSF, PDGF-BB, interferon inducer Conductivity type albumen -10, IL-1RA, IL-7, IL-12p40, IL-12p70, IL-13, IL-17A and IL-17F.
The preparation process of above-mentioned chronic fatigue syndrome diagnostic kit is as follows:
The preparation of abzyme target: (any biotech firm is fixed from biotech firm's customization for 18 kinds of monoclonal antibodies as described above System), each monoclonal antibody is diluted to 60 μ g/ml with the PBS buffer solution that pH is 8.2, is added by the additional amount in 100 holes μ l/ In 96 hole elisa Plates, temperature be 4 DEG C under conditions of stand overnight, then washed with cleaning solution, the cleaning solution be containing The phosphate buffer that 0.05%Tween 20, pH are 7.4, drying, must be coated with 96 hole elisa Plates of anti-monoclonal antibody.
Steps are as follows for the use of above-mentioned chronic fatigue syndrome diagnostic kit:
1, it is loaded:
(1) it is coated with the 96 hole elisa Plates processing of monoclonal antibody: in 96 hole elisa Plates for being coated with monoclonal antibody Positive control porose area, negative control porose area, sample to be tested porose area and blank porose area are divided, totally four groups of detection porose areas, positive control It is added positive control solution in porose area, negative controls, 100 holes μ l/, sample to be tested is added in negative control porose area in 100 holes μ l/ Test serum sample is added in porose area, 100 holes μ l/, after sample adds, it is 0.5% that then the concentration of 50 μ l amounts, which is added, in every hole The serum dilution of bovine serum albumin(BSA) and 50 μ l amounts, the serum dilution are as follows: actrapid monotard 6U/mL, potassium dihydrogen phosphate 3g/L, disodium hydrogen phosphate 3g/L, sodium sulphate 5g/L, sodium chloride 22g/L, NaTDC 12g/L, EDTA-2K 0.5g/L, add It is 6.4 that water, which adjusts pH value,;Capping or overlay film on ELISA Plate, discard liquid after placing 2h under the conditions of 37 DEG C, use cleaning solution Washing, drying;
(2) biotin-monoclonal antibody is added: 100 μ l biotins-monoclonal antibody being added in each detection hole, 37 Liquid is discarded after placing 1h under the conditions of DEG C, 350 μ l cleaning solutions are added in each detection hole and impregnate 2min, dries or lightly claps Dry, washing, the movement dried are repeated 3 times;
(3) Streptavidin-horseradish peroxidase is added:
Streptavidin-horseradish peroxidase of 100 μ l is added in each detection hole, after placing 1h under the conditions of 37 DEG C Liquid is discarded, 350 μ l cleaning solutions are added in each detection hole and impregnate 2min, dries or lightly pats dry, the movement washed, dried It is repeated 5 times;
(4) chromogenic substrate is added:
It is 0.4mg/ml tetramethyl benzidine that a drop concentration is sequentially added in each detection hole, is kept away under the conditions of 37 DEG C Light, colour developing;
(5) terminate liquid is added:
50 μ l terminate liquid (2mol/l sulphur are successively added in each detection hole according to the addition sequence of above-mentioned chromogenic substrate Acid), reaction is terminated, terminates the liquid of reaction shown as in detection hole by blue fast transition yellowly.
2, result detects:
After terminate liquid is added in 15min, the light for detecting each detection hole under the wavelength condition of 450nm with enzyme-linked instrument is close Spend OD value, the examination criteria of detection kit are as follows: using the concentration of standard items as ordinate (or logarithmic coordinates), OD value is abscissa (or logarithmic coordinates), drawing standard curve using 1.30 software of curve expert, (best equation should be according to regression equation calculation Obtained R2 value is determined, and is more leveled off to preferably 1 with R2 value), calculate the actual concentrations of sample.
The determination of chronic fatigue syndrome diagnostic kit multiple cytokine reference value is using the kit to 200 The testing result of normal population counts, and average value is defined with the Serum antibody concentrations value of 95% normal population, due to existing Difference in crowds is only used as referring to.It is as shown in table 1 by detecting acquisition reference biomolecule concentration to normal population:
1 reference concentration of table
Above-mentioned chronic fatigue syndrome diagnostic kit is used for clinical trial experiment, specific as follows:
With the chronic fatigue syndrome diagnostic kit to the serum of an example chronic fatigue syndrome patient made a definite diagnosis The ratio of the detection of progress inflammation-associated cytokine, each inflammatory cytokine concentration of the patients serum and reference concentration exists substantially 1 or so, the diagnosis of chronic fatigue syndrome can accurately be realized by being indicated above the present invention program.
Above-mentioned chronic fatigue syndrome diagnostic kit is subjected to clinical trial statistical analysis and clinical assessment experiment, specifically It is as follows:
Patient by the way that 5 have been diagnosed as with chronic fatigue syndrome carry out after Serologic detection obtained corresponding cell because Sub- concentration establishes clinical diagnosis evaluation system after for statistical analysis, the cell of 5 measured chronic fatigue syndrome patient because Sub- concentration is specifically as shown in table 2 to the ratio of normal reference value, is changed to statistics reciprocal lower than 1.Exist in view of 18 kinds of cell factors Mechanism of action in chronic fatigue syndrome is different, is united using weighting method to 5 experimental datas according to its importance Meter analysis, obtains 5 weighted averages, then taking its average value is case average value 1.35 (P < 0.05).
2 CFS serum-concentration of table/reference concentration ratio and weighted average
The methods for clinical diagnosis of kit of the present invention are as follows: be higher than the patient of weighted average (such as 1.35), in conjunction with clinic Symptom supports the diagnosis of chronic fatigue syndrome.It, will be according to gender, age, course of disease length, disease in view of the individual difference of patient Situations such as feelings weight, gradually refines and improves diagnostic criteria.The present invention program kit is used for clinical detection, easy to operate, knot Fruit is accurate and reliable.
In conclusion a kind of chronic fatigue syndrome diagnostic kit provided by the invention, which has diagnosis effect The advantages that fruit is accurate and reliable and easy to operate.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair In bright scope of patent protection.

Claims (10)

1. a kind of chronic fatigue syndrome diagnostic kit, it is characterised in that: including abzyme target, Biotin-Antibody, standard Albumen, serum dilution, Streptavidin-HRP, HRP chromogenic substrate, HRP chromogenic reaction terminator, negative controls and the positive Comparison liquid;
The abzyme target includes 18 kinds of monoclonal antibodies up to specific antibodies, the specific antibodies are coated with less, specially TGF-β, Activin B, ICAM1, Resistin, Leptin, IFN-γ, CD40L, TNFSF10, M-CSF, PDGF-BB, interference Plain inducible protein -10, IL-1RA, IL-7, IL-12p40, IL-12p70, IL-13, IL-17A and IL-17F.
2. chronic fatigue syndrome diagnostic kit according to claim 1, it is characterised in that: the abzyme target by Following methods are prepared: being diluted the concentration of the various antibody in the specific antibodies respectively with the PBS buffer solution that pH is 8.2 It to 20-100 μ g/ml, is added in 96 hole elisa Plates by the additional amount in 100 holes μ l/, was placed under conditions of temperature is 2-8 DEG C Then night is washed with cleaning solution, the cleaning solution is the Tween-20 for being 0.05% containing mass fraction, the phosphoric acid that pH is 7.4 Salt buffer obtains the abzyme target after dry.
3. chronic fatigue syndrome diagnostic kit according to claim 1, it is characterised in that: the Biotin-Antibody Be marked the preparation method comprises the following steps: 18 kinds of monoclonal antibodies are mixed with the biotin of activation respectively, dialysis removal do not tie The Biotin-Antibody is obtained after the biotin of conjunction.
4. chronic fatigue syndrome diagnostic kit according to claim 1, it is characterised in that: the serum dilution by Following components composition: actrapid monotard 6U/ml, potassium dihydrogen phosphate 3g/L, disodium hydrogen phosphate 3g/L, sodium sulphate 5g/L, sodium chloride 22g/L, NaTDC 12g/L, EDTA-2K0.5g/L, solvent are water.
5. chronic fatigue syndrome diagnostic kit according to claim 4, it is characterised in that: the serum dilution PH value is 6.4.
6. chronic fatigue syndrome diagnostic kit according to claim 1, it is characterised in that: the chromogenic substrate is TMB。
7. chronic fatigue syndrome diagnostic kit according to claim 6, it is characterised in that: the concentration of the TMB is 0.4mg/ml。
8. chronic fatigue syndrome diagnostic kit according to claim 6, it is characterised in that: the HRP chromogenic reaction Terminator is sulfuric acid or hydrochloric acid.
9. chronic fatigue syndrome diagnostic kit according to claim 1, it is characterised in that: the negative controls are Normal human serum without the specific antibodies;The positive control solution is the normal human serum containing specific antibodies.
10. -9 described in any item chronic fatigue syndrome diagnostic kits according to claim 1, it is characterised in that: the mark Quasi- albumen is BSA.
CN201810742523.1A 2018-07-09 2018-07-09 A kind of chronic fatigue syndrome diagnostic kit Pending CN109100508A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN110338878A (en) * 2019-07-26 2019-10-18 珠海中科先进技术研究院有限公司 A kind of thrombus acquisition equipment
CN110501501A (en) * 2019-07-23 2019-11-26 武汉大学 Lung cancer early diagnoses application and the kit of tumor markers

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110501501A (en) * 2019-07-23 2019-11-26 武汉大学 Lung cancer early diagnoses application and the kit of tumor markers
CN110338878A (en) * 2019-07-26 2019-10-18 珠海中科先进技术研究院有限公司 A kind of thrombus acquisition equipment

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Application publication date: 20181228