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亲环素A(CYPA)检测试剂盒(酶联免疫吸附试验法)

ELISA Kit for Cyclophilin A (CYPA)

PPIA; CyP-A; CYPH; Peptidylprolyl Isomerase A; Peptidyl-Prolyl Isomerase A; Peptidyl-prolyl cis-trans isomerase A; Cyclosporin A-binding protein

  • 亲环素A(CYPA)检测试剂盒(酶联免疫吸附试验法) 产品包装(模拟)
  • 亲环素A(CYPA)检测试剂盒(酶联免疫吸附试验法) 产品包装(模拟)
  • 亲环素A(CYPA)检测试剂盒(酶联免疫吸附试验法) 实验结果图
  • SEA979Hu.jpg 标准曲线图
  • Certificate 通过ISO 9001、ISO 13485质量体系认证

特异性

本试剂盒用于检测亲环素A(CYPA)，经检测与其它相似物质无明显交叉反应。
由于受到技术及样本来源的限制，不可能完成对所有相关或相似物质交叉反应检测，因此本试剂盒有可能与未经检测的其它物质有交叉反应。

回收率

分别于定值血清及血浆样本中加入一定量的亲环素A(CYPA)（加标样品），重复测定并计算其均值，回收率为测定值与理论值的比率。

样本 回收率范围(%) 平均回收率(%)
serum(n=5) 85-99 89
EDTA plasma(n=5) 96-105 101
heparin plasma(n=5) 80-101 95

精密度

精密度用样品测定值的变异系数CV表示。CV(%) = SD/mean×100
批内差：取同批次试剂盒对低、中、高值定值样本进行定量检测,每份样本连续测定20 次，分别计算不同浓度样本的平均值及SD值。
批间差：选取3个不同批次的试剂盒分别对低、中、高值定值样本进行定量测定，每个样本使用同一试剂盒重复测定8次，分别计算不同浓度样本的平均值及SD值。
批内差： CV<10%
批间差： CV<12%

线性

在定值血清及血浆样本内加入适量的亲环素A(CYPA)，并倍比稀释成1:2，1:4，1:8，1:16的待测样本，线性范围即为稀释后样本中亲环素A(CYPA)含量的测定值与理论值的比率。

样本 1:2 1:4 1:8 1:16
serum(n=5) 83-98% 95-104% 90-104% 86-102%
EDTA plasma(n=5) 96-103% 87-95% 91-98% 86-98%
heparin plasma(n=5) 95-104% 88-102% 81-102% 91-98%

稳定性

经测定，试剂盒在有效期内按推荐温度保存，其活性降低率小于5%。
为减小外部因素对试剂盒破坏前后检测值的影响，实验室的环境条件需尽量保持一致，尤其是实验室内温度、湿度及温育条件。其次由同一实验员来进行操作可减少人为误差。

实验流程

1. 实验前标准品、试剂及样本的准备；
2. 加样（标准品及样本）100µL，37°C孵育1小时；
3. 吸弃，加检测溶液A100µL，37°C孵育1小时；
4. 洗板3次；
5. 加检测溶液B100µL，37°C孵育30分钟；
6. 洗板5次；
7. 加TMB底物90µL，37°C孵育10-20分钟；
8. 加终止液50µL，立即450nm读数。

实验原理

将亲环素A(CYPA)抗体包被于96孔微孔板中，制成固相载体，向微孔中分别加入标准品或标本，其中的亲环素A(CYPA)与连接于固相载体上的抗体结合，然后加入生物素化的亲环素A(CYPA)抗体，将未结合的生物素化抗体洗净后，加入HRP标记的亲和素，再次彻底洗涤后加入TMB底物显色。TMB在过氧化物酶的催化下转化成蓝色，并在酸的作用下转化成最终的黄色。颜色的深浅和样品中的亲环素A(CYPA)呈正相关。用酶标仪在450nm波长下测定吸光度(O.D.值)，计算样品浓度。

相关产品

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参考文献

杂志 参考文献
Atherosclerosis EMMPRIN and its ligand cyclophilin A regulate MT1-MMP, MMP-9 and M-CSF during foam cell formation [PubMed: 19758589]
Biomarkers Cyclophilin-A: a novel biomarker for untreated male essential hypertension [Pubmed: 24164594]
Cardiovascular Diabetology Plasma level of cyclophilin A is increased in patients with type 2 diabetes mellitus and suggests presence of vascular disease [Pubmed:24502618]
International Journal of Biological Sciences Decrease in Plasma Cyclophilin A Concentration at 1 Month after Myocardial Infarction Predicts Better Left Ventricular Performance and Synchronicity at 6 Months: A Pilot Study in Patients with ST Elevation Myocardial Infarction [Pubmed:25552928]
Medicine Cyclophilin A in Ruptured Intracranial Aneurysm [PubMed: 26426668]
Mol Cell Biochem PPIA rs6850: A> G single-nucleotide polymorphism is associated with raised plasma cyclophilin A levels in patients with coronary artery disease [PubMed: 26702934]
Medicine (Baltimore) Urinary Cyclophilin A as a New Marker for Diabetic Nephropathy: A Cross-Sectional Analysis of Diabetes Mellitus [PubMed: 26496315]
International Journal of Cardiology Cyclophilin A modulates bone marrow-derived CD117(+) cells and enhances ischemia-induced angiogenesisvia the SDF-1/CXCR4 axis. [Pubmed:27057951]
Clinica Chimica Acta Novel findings of secreted cyclophilin A in diabetic nephropathy and its association with renal protection of dipeptidyl peptidase 4 inhibitor [pubmed:27823952]
Cardiovascular Diabetology Cyclophilin A enhances macrophage differentiation and lipid uptake in high glucose conditions: a cellular mechanism for accelerated macro vascular disease in diabetes mellitus. [pubmed:27809851]
Clinical Science Metformin attenuates effects of cyclophilin A on macrophages, reduces lipid uptake and secretion of cytokines by repressing decreased AMPK activity [Pubmed:29382697]
Journal of Molecular Histology Cyclophilin a increases CD68 cell infiltration in rat experimental periodontitis [Pubmed:29318411]
Free Radical Research Cyclophilin A and CD147 associate with progression of diabetic nephropathy [Pubmed: 30572748]
The Kaohsiung Journal of Medical Sciences Association of cyclophilin A level and pulse pressure in predicting recurrence of cerebral infarction [Pubmed: 31670477]
Cells. Cyclophilin A/EMMPRIN Axis Is Involved in Pro-Fibrotic Processes Associated with Thoracic Aortic Aneurysm of Marfan Syndrome Patients [Pubmed: 31936351]
JAMA Neurology APPENDIX A: Relationship between cyclophilin A levels and matrix metalloproteinase-9 activity in cerebrospinal fluid of cognitively normal apolipoprotein E4 carriers … [Pubmed: 24030206]
Menoufia Medical Journal Urinary podocalyxin and cyclophilin A: markers for early detection of type 2 diabetic nephropathy []
Toxins Evaluation of the Therapeutic Effects of Protocatechuic Aldehyde in Diabetic Nephropathy [34437430]
Cell Death & Disease Proteomic analysis reveals USP7 as a novel regulator of palmitic acid-induced hepatocellular carcinoma cell death [Pubmed:35732625]
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