CN1396453A - Reagent kit for early diagnosis of acute myocardial infarction - Google Patents

Reagent kit for early diagnosis of acute myocardial infarction Download PDF

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Publication number
CN1396453A
CN1396453A CN 02117447 CN02117447A CN1396453A CN 1396453 A CN1396453 A CN 1396453A CN 02117447 CN02117447 CN 02117447 CN 02117447 A CN02117447 A CN 02117447A CN 1396453 A CN1396453 A CN 1396453A
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fabp
myocardial infarction
early diagnosis
acute myocardial
reagent kit
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CN 02117447
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CN1219215C (en
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谢雍
胡美浩
王显花
崔红莲
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LANZHOU INSTITUTE OF BIOLOGICAL PRODUCTS Co Ltd
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Abstract

A reagent kit for early diagnosis of acute myocardial infarction contains standard h-FABP protein, monoclonal and polyconal antibodies of h-FABP, their markers, enclosing liquid, enzyme substrate solution, coating buffer, stop buffer, washing liquid and enzyme-linked board. Its advantages are simple operation and high sensitivity and specifity.

Description

Reagent kit for early diagnosis of acute myocardial infarction
Technical field: the present invention relates to the expression of preparation, H-FABP of the antibody (comprise monoclonal antibody and many anti-) of H-FABP (h-FABP) and the technical field of utilizing the antibody of anti-H-FABP to come early diagnosis acute myocardial infarction (AMI), relate in particular to a kind of reagent kit for early diagnosis of acute myocardial infarction.
Background technology: acute myocardial infarction has become the angiocardiopathy that has a strong impact on human health, but it is at present not ideal enough for this sick result of treatment, one of them main cause is to make correct diagnosis in early days in the AMI outbreak, to such an extent as to can not take suitable therapeutic scheme.There is 50% AMI patient dead in preceding 2 hours of morbidity approximately, so, will improve result of treatment greatly and improve cure rate if can make correct diagnosis in early days in the AMI outbreak.Diagnosis AMI mainly measures by Electrocardioscopy and biochemical indicator, but the accuracy rate of Electrocardioscopy has only about 50%, and it is exactly because cardiogram normally and is not diagnosed accurately that similar 30% cardiac is arranged in the world, thereby has incured loss through delay treatment; The biochemical indicator that is used for clinical diagnosis AMI at present is also not ideal enough, they mainly contain creatine kinase isozyme (CK-MB), Troponin I (troponin I), TnT (troponin T) and myoglobins (myoglobin) etc., CK-MB, Troponin I, TnT lack susceptibility to the early diagnosis of AMI, and they are just concentration rising in 6-8 hour after pectoralgia; Myoglobins then lacks specificity, though its 2-3 hour concentration after pectoralgia rises, can not distinguish skeletal muscle and myocardial damage, so press for a kind of new high specific and the biochemical indicator of hypersensitivity comes early diagnosis AMI.Studies show that in a large number H-FABP (h-FABP) concentration in AMI showed effect back 2 hours begins to rise, and single-minded in induced myocardial injury, has high specificity and susceptibility for early diagnosis AMI.
Summary of the invention:
Goal of the invention: the monoclonal antibody and resist as the biochemical indicator of AMI early diagnosis, the easy kit that is easy to get that the purpose of this invention is to provide a kind of h-FABP of utilization and anti-h-FABP more, measure the concentration of the h-FABP in the human serum, to be used for early diagnosis AMI, improve the susceptibility and the specificity of AMI early diagnosis.
Technical scheme:
Reagent kit for early diagnosis of acute myocardial infarction of the present invention comprises standard h-FABP; The monoclonal antibody of anti-h-FABP; The polyclonal antibody of anti-h-FABP; Two anti-labels; Confining liquid; Enzyme substrate solution; Bag is cushioned liquid; Stop buffer; Cleansing solution; ELISA Plate; Wherein the polyclonal antibody bag of anti-h-FABP quilt is in ELISA Plate.
Described h-FABP standard protein adopts gene engineering method to make: the method clone h-FABP gene that utilizes RT-PCR from heart tissue, be inserted on the carrier pET22b (+), after order-checking conclusive evidence gene is correct, be transferred among the E.coli BL21 (DE3) the IPTG abduction delivering; The h-FABP that expresses utilizes Ni-Agarose affinity chromatography column separating purification.
Described anti-h-FABP resists the h-FABP immune rabbit with purifying more, obtains containing the rabbit anteserum of anti-h-FABP antibody; Earlier with (NH 4) 2SO 4The precipitation method are the preliminary purification Immunoglobulin IgG from the serum of rabbit, is further purified the IgG of anti-h-FABP again with homemade h-FABP-Sepharose affinity column, and SDS-PAGE and western blotting identify the how anti-of separation and purification.
Described anti-h-FABP monoclonal antibody obtains the spleen cell of antigenic stimulus with the h-FABP immunity BALB/c mouse of purifying, merges the myeloma cell line P3-X63-Ag8.653 of this spleen cell and mouse; Utilize HAT to select nutrient culture media to select hybridoma, and utilize the ELISA method to identify the cell that produces anti-h-FABP antibody; The cell line of the monoclonal antibody that the generation that preservation is screened combines with the h-FABP high specific; Utilize the cell fermentation device to cultivate the cell line of being preserved, the collecting cell culture supernatant is earlier with (NH 4) 2SO 4The monoclonal antibody of the precipitation method anti-h-FABP of preliminary purification from cells and supernatant, utilize Protein A-Sepharose affinity column to be further purified the monoclonal antibody of anti-h-FABP again from cells and supernatant, SDS-PAGE and westernblotting identify the monoclonal antibody of separation and purification.
Described confining liquid is 1% gelatin solution; Described enzyme substrate solution is that TMB uses liquid, i.e. 60ug/mlTMB, 0.045%H 2O 2In 0.1M pH6.0 phosphate buffer; Bag is cushioned the carbonate buffer solution that liquid is 0.05M pH9.6, promptly contains 1.59 gram Na in 1 liter of solution 2CO 3, 2.93 gram NaHCO 3Stop buffer is 2mol/L H 2SO 4Solution; Cleansing solution is 0.01mol/L pH7.4 phosphate-NaCl damping fluid (PBS), and PBS includes 0.05%Tween-20, promptly contains 8g NaCl in 1 liter of solution, 0.2g KH 2PO 4, 2.9g Na 2HPO 412H 2O, 0.2g KCl, 0.5ml Tween-20.
Inventive principle and good effect analysis:
The present invention be with h-FABP as biochemical indicator, come early diagnosis AMI.This comprises the method for the how anti-and monoclonal antibody of the above-mentioned h-FABP of preparation, and utilizes the ELISA method to measure the concentration of the h-FABP in the serum, with diagnosis AMI.
How anti-the present invention utilize the monoclonal antibody of anti-h-FABP and, wherein utilize how anti-as first antibody, i.e. coated antibody, this has reduced experiment and expends and simplified the experiment operation, has but reached and utilizes two kinds of effects that monoclonal antibody is identical at least; Simultaneously, we utilize engineered method to obtain h-FABP, and with as antigen, this has replaced the method for extracting from patient's cardiac muscle, and material is easy to get and is simple to operate.Utilize the biochemical indicator of h-FABP, improved the susceptibility and the specificity of AMI early diagnosis as the AMI early diagnosis.
The how anti-and monoclonal antibody of the anti-h-FABP of method utilization of the present invention preparation can be after pectoralgia goes out acute myocardial infarction with regard to diagnosable in 2 hours, has higher specificity and susceptibility, has overcome the shortcoming that is used for other clinical biochemical indicators at present.
Experimental result of the present invention and analysis:
1) expression of h-FABP and purifying: the h-FABP gene clone is gone up and is transferred among the E.coli BL21 (DE3) to expression vector pET22b (+), and IPTG abduction delivering, h-FABP are expressed in E.coli BL21 (DE3); Utilize Ni-Agarose affinity column separation and purification h-FABP from the lysate of E.coli, identify that through SDS-PAGE a protein band (Fig. 1) is arranged at the 18kD place; Utilize the antibody of anti-h-FABP to carry out immuning hybridization, find only to have at the 18kD place hybridization band (Fig. 2), this shows that resulting albumen is h-FABP.H-FABP is the micromolecule of 15kD in the heart, the present invention is expressed in E.coli, the h-FABP of purifying is 18kD, this is because its N end has a segment signal peptide, the C end has 6xHis-tag, these two sections sequences are that expression vector pET22b (+) has, h-FABP in the serum does not then have this sequence, but since the antibody of the anti-h-FABP of separation and purification of the present invention special antigenic determinant be the sequence antigenic determinant, so h-FABP in the h-FABP of this reorganization and the combination of antibody and the serum and antibody in conjunction with consistent, do not influence experimental result.The present invention utilizes engineered method to prepare h-FABP, thus replaced from cardiac muscle separation and purification h-FABP method, this not only draws materials easily, and has simplified operating process, it is expensive to have saved experiment.
2) preparation of the antibody of anti-h-FABP and purifying:
I) preparation of the monoclonal antibody of anti-h-FABP and purifying the present invention have prepared the monoclonal antibody IgG of high specific and affinity, and utilize (NH 4) 2SO 4The precipitation method and the separation and purification from the culture supernatant of hybridoma of Protein A-Sepharose affinity column obtain the antibody of pure anti-h-FABP, and SDS-PAGE identifies at 55kD and 24kD place two protein bands are arranged, and is heavy chain and the light chain of IgG; Simultaneously, identify that through WesternBlotting this IgG can be hybridized with h-FABP, the resulting IgG of this explanation separation and purification is the antibody that is specific to h-FABP.
Ii) the how anti-preparation of anti-h-FABP and purifying the present invention have prepared high tire how anti-, and utilize (NH 4) 2SO 4The separation and purification from the serum of rabbit of the precipitation method and h-FABP-Sepharose affinity column has gone out the antibody of the anti-h-FABP of high specific and affinity, and SDS-PAGE identifies at 55kD and 24kD place two protein bands are arranged, and is heavy chain and the light chain of IgG; Simultaneously, identify that through Western Blotting this IgG can be hybridized with h-FABP, the resulting IgG of this explanation separation and purification is the antibody that is specific to h-FABP.
3) ELISA detects the concentration of h-FABP in the different blood samples, to diagnose AMI: utilize the how anti-and monoclonal antibody of prepared anti-h-FABP, adopt sandwich style ELISA method, measure the concentration of the h-FABP in the different serum.Detected the concentration of h-FABP in 126 normal persons, 41 patients with coronary heart disease and 33 AMI patients' the serum altogether, and AMI patient's blood sample is from falling ill back 1 hour to 24 hours, got one time blood in average per 2 hours.By measurement result as seen, 1) h-FABP began to rise in 2 hours among the AMI patients serum, reached mxm. in 5-6 hour, returned to the normal level (see figure 3) in 12-24 hour; 2) the h-FABP concentration in normal person and the patients with coronary heart disease serum is close, and is starkly lower than AMI patient's h-FABP concentration (seeing Table 1); 3) according to the h-FABP concentration in the normal human serum, utilize the algorithm of mean value+2 times variance, trying to achieve and diagnosing the cutoff value (cut off value) of biochemical indicator with h-FABP as AMI is 7.543ng/ml.In addition, the present invention resists as first antibody with more, and as second antibody, this has obtained and the identical even better effect of the external method of reporting of utilizing two kinds of monoclonal antibodies with monoclonal antibody, but simple, the easy row of method of the present invention, expensive lacking.
The mean intensity value of h-FABP among table 1 normal person, patients with coronary heart disease and the AMI patients serum
Mean value (ng/ml) Variance
The normal person ????2.791 ????2.376
Patients with coronary heart disease ????4.268 ????2.045
AMI patient ????84.453 ????85.805
Annotate: every duplicate samples is all surveyed three times. average
Description of drawings:
Fig. 1 SDS-PAGE (12%) identifies expression, the purified condition synoptic diagram of h-FABP
1. protein molecular weight marker, molecular weight is respectively from big to small: 97 000Da, 66 000Da, 43000 Da, 31 000Da, 20 100Da, 14 400Da.
2. the h-FABP sample behind Ni-Agarose affinity chromatography column separating purification
Fig. 2 Western-Blotting further identifies expression, the purified condition synoptic diagram of h-FABP
1. protein molecular weight marker, molecular weight is respectively from big to small: 97 000Da, 66 000Da, 43 000Da, 31 000Da, 20 100Da, 14 400Da.
2. the h-FABP sample behind Ni-Agarose affinity chromatography column separating purification
Fig. 3 AMI patient concentration change of h-FABP in the different time serum after morbidity
Annotate: the numerical value among the figure is the mean value of 33 AMI patients' h-FABP concentration value
Embodiment:
1. clone, expression, purifying and identify h-FABP:
From Gene Bank seeker's h-FABP gene, be according to the gene order design primer that is searched: 5 '-AGCTGGATCCATGGTGGACGCTTTCCTGGGC-3 '
5′-CTAGGAATTCTGCCTCTTTCTCATAAGTGCG-3′
From heart tissue, utilize the method clone h-FABP gene of RT-PCR then, enzyme by routine is cut, is connected the equimolecular biologic operation resulting h-FABP gene is inserted on the carrier pET22b (+), after order-checking conclusive evidence gene is correct, prokaryotic expression carrier pET22b (+)-hFABP that obtains recombinating utilizes CaCl 2The method that transforms is transferred to this recombinant vector in E.coli BL21 (DE3) competent cell, utilize the IPTG abduction delivering, the h-FABP that expresses utilizes Ni-Agarose affinity chromatography column separating purification, and SDS-PAGE and western blotting identify the h-FABP of separation and purification.
2. preparation, purifying and identify the antibody of anti-h-FABP:
I) preparation, purifying and the monoclonal antibody of identifying anti-h-FABP utilize lumbar injection method immunity BALB/c mouse with the h-FABP of purifying, and every three all immunity once, immunity is four times altogether; Take out the spleen cell of immune mouse then, utilize PEG-4000 to merge the myeloma cell line P3-X63-Ag8.653 of this spleen cell and mouse; Utilize HAT to select nutrient culture media on 96 porocyte culture plates, to select hybridoma, and utilize the ELISA method to identify the cell that produces anti-h-FABP antibody; The cell line of the monoclonal antibody that the generation that preservation is screened combines with the h-FABP high specific; Utilize the cell fermentation device to cultivate the cell line of being preserved, the collecting cell culture supernatant is earlier with (NH4) 2SO 4The monoclonal antibody of the precipitation method anti-h-FABP of preliminary purification from cells and supernatant, utilize Protein A-Sepharose affinity column to be further purified the monoclonal antibody of anti-h-FABP again from cells and supernatant, SDS-PAGE and western blotting identify the monoclonal antibody of separation and purification.
Ii) preparation, purifying and the how anti-h-FABP immune rabbit of identifying anti-h-FABP with purifying, immunity twice, one month at interval; Get the whole blood of rabbit.Earlier with (NH4) 2SO 4The precipitation method are the preliminary purification Immunoglobulin IgG from the serum of rabbit, is further purified the IgG of anti-h-FABP again with homemade h-FABP-Sepharose affinity column, and SDS-PAGE and western blotting identify the how anti-of separation and purification.
3.ELISA the h-FABP concentration in the mensuration serum is with diagnosis AMI:1) compound method of various damping fluids and reagent:
I) bag is cushioned liquid: the Na of 0.05M pH9.6 2CO 3-NaHCO 3
Na2CO 3(MW 105.99) 1.59 grams
NaHCO 3(MW 84.01) 2.93 grams
Distill water-soluble to 1000mlii) PBS-Tween 20 of cleansing solution: pH7.4
NaCl (MW 58.44) 8.0 grams
KH 2PO 4(MW 136.09) 0.2 gram
Na 2HPO 412H 2O (MW 358.14) 2.9 grams
(perhaps NaHPO 41.14 gram)
KCl (MW 74.56) 0.2 gram
Tween?20????????????????????0.5ml
Distill water-soluble to 1000mliii) confining liquid: 1% gelatin solution
Gelatin 1 gram
Cleansing solution is molten to 100mliv) enzyme substrate solution: TMB (3,3 ', 5,5 ' tetramethyl is for biphenylamine) application liquid
A.0.1M pH6.0 phosphate buffer
NaHPO 42H 2O 1.09 grams
NaH 2PO 4H 2O 6.05 grams
Distill water-soluble to 500ml
B.TMB stores liquid
60 milligrams of TMB
DMSO is molten to 10ml
4 ℃ of storages
C.TMB uses liquid
Phosphate buffer 1 0ml
TMB storage liquid 100ul
30%H 2O 2???????????????15ul
(face with preceding and now join) be stop buffer v): 2M H 2SO 4
The concentrated sulphuric acid (95%-98%) 22.2ml
Distilled water 177.3ml
(timing slowly splashes into the concentrated sulphuric acid in the distilled water, limit edged mixing) 2) operation steps i) the formulation typical curve is diluted to 1ug/ml with the how anti-solution of anti-h-FABP of purifying with coating buffer, join in the 96 hole ELISA Plate, every hole 100ul, 37 ℃ of bags were spent the night by 2 hours or 4 ℃; Cleansing solution is washed plate 3 times, dries, and adds the sealing of 1% gelatin, every hole 200ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds h-FABP (0-20ng/ml) standard antigen of variable concentrations, every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds anti-h-FABP monoclonal antibody solution (being diluted to 1ug/ml with cleansing solution), every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds two anti-solution (with cleansing solution dilution in 1: 1000), every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds enzyme substrate solution, every hole 100ul, and dark place colour developing 5 minutes adds stop buffer, and every hole 50ul utilizes microplate reader to measure absorbance value (A at 450nm 450nm); With concentration (ng/ml) is horizontal ordinate, A 450nmBe ordinate, the drawing standard curve.Ii) measure the h-FABP concentration in the serum:
The how anti-solution of anti-h-FABP of purifying is diluted to 1ug/ml with coating buffer, joins in the 96 hole ELISA Plate, every hole 100ul, 37 ℃ of bags were spent the night by 2 hours or 4 ℃; Cleansing solution is washed plate 3 times, dries, and adds the sealing of 1% gelatin, every hole 200ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds the serum of suitable multiple dilution, every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds anti-h-FABP monoclonal antibody solution (being diluted to 1ug/ml with cleansing solution), every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds two anti-solution (with cleansing solution dilution in 1: 1000), every hole 100ul, room temperature insulation 2 hours; Cleansing solution is washed plate 3 times, dries, and adds enzyme substrate solution, every hole 100ul, and dark place colour developing 5 minutes adds stop buffer, and every hole 50ul utilizes microplate reader to measure absorbance value (A at 450nm 450nm); According to typical curve, by measured A 450nmTry to achieve the concentration value of h-FABP in the serum.Iii) the result judges that the decidable that concentration is higher than this value is acute myocardial infarction according to cutoff value (the cut off value) 7.543ng/ml of h-FABP as the acute myocardial infarction diagnosis index, and what be lower than this value then is not acute myocardial infarction.

Claims (9)

1, a kind of reagent kit for early diagnosis of acute myocardial infarction comprises standard h-FABP albumen; The monoclonal antibody of anti-h-FABP; The polyclonal antibody of anti-h-FABP; Two anti-labels; Confining liquid; Enzyme substrate solution; Bag is cushioned liquid; Stop buffer; Cleansing solution; ELISA Plate; How anti-bag quilt is in ELISA Plate for wherein anti-h-FABP.
2, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1, it is characterized in that described h-FABP standard protein adopts gene engineering method to make: the method clone h-FABP gene that from heart tissue, utilizes RT-PCR, be inserted on the carrier pET22b (+), after order-checking conclusive evidence gene is correct, be transferred among the E.coli BL21 (DE3) the IPTG abduction delivering; The h-FABP that expresses utilizes Ni-Agarose affinity chromatography column separating purification.
3, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1, it is characterized in that the h-FABP immunity BALB/c mouse of described anti-h-FABP monoclonal antibody with purifying, obtain the spleen cell of antigenic stimulus, merge the myeloma cell line P3-X63-Ag8.653 of this spleen cell and mouse; Utilize HAT to select nutrient culture media to select hybridoma, and utilize the ELISA method to identify the cell that produces anti-h-FABP antibody; The cell line of the monoclonal antibody that the generation that preservation is screened combines with the h-FABP high specific; Utilize the cell fermentation device to cultivate the cell line of being preserved, the collecting cell culture supernatant is earlier with (NH 4) 2SO 4The monoclonal antibody of the precipitation method anti-h-FABP of preliminary purification from cells and supernatant, utilize Protein A-Sepharose affinity column to be further purified the monoclonal antibody of anti-h-FABP again from cells and supernatant, SDS-PAGE and western blotting identify the monoclonal antibody of separation and purification.
4, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described anti-h-FABP resists the h-FABP immune rabbit with purifying more, obtains containing the rabbit anteserum of anti-h-FABP antibody; Earlier with (NH 4) 2SO 4The precipitation method are the preliminary purification Immunoglobulin IgG from the serum of rabbit, is further purified the IgG of anti-h-FABP again with homemade h-FABP-Sepharose affinity column, and SDS-PAGE and westernblotting identify the how anti-of separation and purification.
5, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described confining liquid is 1% gelatin solution.
6, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described enzyme substrate solution is 60ug/ml TMB, 0.045%H 2O 2In 0.1M pH6.0 phosphate buffer.
7, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described bag is cushioned the carbonate buffer solution that liquid is 0.05M pH9.6, promptly contains 1.59 gram Na in 1 liter of solution 2CO 3, 2.93 gram NaHCO 3
8, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described stop buffer is 2mol/L H 2SO 4Solution.
9, reagent kit for early diagnosis of acute myocardial infarction as claimed in claim 1 is characterized in that described cleansing solution is 0.01mol/L pH7.4 phosphate-NaCl damping fluid, and PBS includes 0.05%Tween-20, promptly contains 8g NaCl in 1 liter of solution, 0.2g KH 2PO 4, 2.9g Na 2HPO 412H 2O, 0.2g KCl, 0.5ml Tween-20.
CN 02117447 2002-05-17 2002-05-17 Reagent kit for early diagnosis of acute myocardial infarction Expired - Lifetime CN1219215C (en)

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CN102358895A (en) * 2011-10-28 2012-02-22 南京医科大学第一附属医院 Monoclonal antibody mcf2 and application thereof
CN102399752A (en) * 2011-10-28 2012-04-04 南京医科大学第一附属医院 Heart type-fatty acid binding protein monoclonal antibody mcf1 and application thereof
CN102628864A (en) * 2011-12-30 2012-08-08 北京九强生物技术股份有限公司 Kit for determining heart-type fatty acid binding protein in serum or urine by latex enhanced turbidimetric immunoassay
CN102735849A (en) * 2012-07-05 2012-10-17 北京源德生物医学工程有限公司 Enzymatic chemiluminescence immunoassay method for human heart-type fatty acid binding protein and reagent kit
CN111505303A (en) * 2019-01-31 2020-08-07 艾维可生物科技有限公司 Kit for detecting heart-type fatty acid binding protein by chemiluminescence method and use method thereof

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CN105203770B (en) * 2015-07-27 2017-11-07 深圳大学 Application of the STIM1 albumen in relevant disease diagnosis of risk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358895A (en) * 2011-10-28 2012-02-22 南京医科大学第一附属医院 Monoclonal antibody mcf2 and application thereof
CN102399752A (en) * 2011-10-28 2012-04-04 南京医科大学第一附属医院 Heart type-fatty acid binding protein monoclonal antibody mcf1 and application thereof
CN102399752B (en) * 2011-10-28 2012-10-24 杨笛 Heart type-fatty acid binding protein monoclonal antibody mcf1 and application thereof
CN102628864A (en) * 2011-12-30 2012-08-08 北京九强生物技术股份有限公司 Kit for determining heart-type fatty acid binding protein in serum or urine by latex enhanced turbidimetric immunoassay
CN102628864B (en) * 2011-12-30 2014-08-13 北京九强生物技术股份有限公司 Kit for determining heart-type fatty acid binding protein in serum or urine by latex enhanced turbidimetric immunoassay
CN102735849A (en) * 2012-07-05 2012-10-17 北京源德生物医学工程有限公司 Enzymatic chemiluminescence immunoassay method for human heart-type fatty acid binding protein and reagent kit
CN111505303A (en) * 2019-01-31 2020-08-07 艾维可生物科技有限公司 Kit for detecting heart-type fatty acid binding protein by chemiluminescence method and use method thereof

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