血管紧张素转化酶2(ACE2)检测试剂盒(酶联免疫吸附试验法)
ELISA Kit for Angiotensin I Converting Enzyme 2 (ACE2)
ACEH; ACEII; ACE-II; Peptidyl-Dipeptidase A; ACE-related carboxypeptidase; Angiotensin-converting enzyme homolog; Metalloprotease MPROT15
- 编号SEB886Ra
- 物种Rattus norvegicus (Rat,大鼠) 相同的名称,不同的物种。
- 实验方法双抗夹心
- 反应时长3h
- 检测范围0.78-50ng/mL
- 灵敏度最小可检测剂量小于等于0.31ng/mL.
- 样本类型Serum, plasma, tissue homogenates and other biological fluids
- 下载 英文说明书 中文说明书
- 规格 48T96T 96T*5 96T*10 96T*100
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特异性
本试剂盒用于检测血管紧张素转化酶2(ACE2),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血管紧张素转化酶2(ACE2)(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) | 99-105 | 102 |
EDTA plasma(n=5) | 79-93 | 80 |
heparin plasma(n=5) | 78-95 | 86 |
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血管紧张素转化酶2(ACE2),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血管紧张素转化酶2(ACE2)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) | 84-92% | 83-97% | 80-95% | 97-104% |
EDTA plasma(n=5) | 80-102% | 91-101% | 78-104% | 83-105% |
heparin plasma(n=5) | 88-104% | 85-92% | 98-105% | 78-101% |
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
将血管紧张素转化酶2(ACE2)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,其中的血管紧张素转化酶2(ACE2)与连接于固相载体上的抗体结合,然后加入生物素化的血管紧张素转化酶2(ACE2)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血管紧张素转化酶2(ACE2)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。
增值服务
相关产品
编号 | 适用物种:Rattus norvegicus (Rat,大鼠) | 应用(仅供研究使用,不用于临床诊断!) |
EPB886Ra61 | 血管紧张素转化酶2(ACE2)真核蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
APB886Ra61 | 血管紧张素转化酶2(ACE2)活性蛋白 | Cell culture; Activity Assays. |
APB886Ra01 | 血管紧张素转化酶2(ACE2)活性蛋白 | Cell culture; Activity Assays. |
RPB886Ra01 | 血管紧张素转化酶2(ACE2)重组蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
PAB886Ra01 | 血管紧张素转化酶2(ACE2)多克隆抗体 | WB; IHC; ICC; IP. |
MAB886Ra23 | 血管紧张素转化酶2(ACE2)单克隆抗体 | WB; IHC; ICC; IP. |
MAB886Ra22 | 血管紧张素转化酶2(ACE2)单克隆抗体 | WB; IHC; ICC; IP. |
MAB886Ra24 | 血管紧张素转化酶2(ACE2)单克隆抗体 | WB; IHC; ICC; IP. |
MAB886Ra21 | 血管紧张素转化酶2(ACE2)单克隆抗体 | WB; IHC; ICC; IP. |
SEB886Ra | 血管紧张素转化酶2(ACE2)检测试剂盒(酶联免疫吸附试验法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
LMB886Ra | 血管紧张素转化酶2(ACE2)等多因子检测试剂盒(流式荧光发光法) | FLIA Kit for Antigen Detection. |
参考文献
杂志 | 参考文献 |
Nature Medicine | Angiotensin-Converting Enzyme 2 Overexpression Remarkably Ameliorated Glomerular Injury in a Rat Model of Diabetic Nephropathy: A Comparison with ACE Inhibition [MolMed: 10_11_liu] |
Journal of Cancer Therapy | Plasma Levels of Angiotensin-Converting Enzymes 1 and 2 and AGTR2 (T1247G and A5235G) Gene Polymorphisms Are Associated to Breast Cancer Progression. [Scirp: Source] |
Reprod Toxicol.? | ACE2 activation by xanthenone prevents leptin-induced increases in blood pressure and proteinuria during pregnancy in Sprague-Dawley rats [Pubmed:25205467] |
Intensive Care Medicine Experimental | Angiotensin converting enzymes in patients with acute respiratory distress syndrome [Content: 3] |
Journal of Chromatography A | Application of a new procedure for liquid chromatography/mass spectrometry profiling of plasma amino acid-related metabolites and untargeted shotgun proteomics to identify mechanisms and biomarkers of calcific aortic stenosis [S0021967317311858] |
Journal of Clinical Pharmacy and Therapeutics | Relationship between genetic variants of ACE2 gene and circulating levels of ACE2 and its metabolites. [pubmed:28895159] |
Innate Immunity | Lipoxin A attenuates LPS-induced acute lung injury via activation of the ACE2-Ang-(1-7)-Mas axis [Pubmed:29969931] |
Journal of Surgical Research | Impact of angiotensin-converting enzyme 2 levels on postoperative pneumonia after esophagectomy [Pubmed:29506841] |
canadian journal of physiology and pharmacology | Could cardioprotective effect of ACE2 activator “diminazene aceturate” is more potent than ACE inhibitor “Enalapril” on acute myocardial infarction in rats? [Pubmed: 30840489] |
Intensive Care Medicine | Angiotensin-converting enzymes in acute respiratory distress syndrome [] |
BioMed Research International | AVE 0991 Attenuates Pyroptosis and Liver Damage after Heatstroke by Inhibiting the ROS-NLRP3 Inflammatory Signalling Pathway [] |
Heart and vessels | Relationship between circulating levels of angiotensin-converting enzyme 2-angiotensin-(1–7)-MAS axis and coronary heart disease [Pubmed: 31359146] |
Medicine | Alteration and association between serum ACE2/angiotensin (1-7)/Mas axis and oxidative stress in chronic kidney disease: A pilot study [Pubmed: 32756181] |
American Journal of Respiratory and Critical Care Medicine | Equilibrium Angiotensin Metabolite Profiling in Patients with Acute Respiratory Distress Syndrome Indicates Angiotensin Converting Enzyme Inhibition [Pubmed: 32628511] |
Clinical Research in Cardiology | Determinants of soluble angiotensin-converting enzyme 2 concentrations in adult patients with complex congenital heart disease [33280062] |
Clinical & Translational Immunology | Pattern of circulating SARS©\CoV©\2©\specific antibody©\secreting and memory B©\cell generation in patients with acute COVID©\19 [33552508] |
researchsquare | Novel transgenic mice with Cre-dependent co-expression of GFP and human ACE2: a safe tool for study of COVID-19 pathogenesis [33855640] |
Viruses | Different Neutralization Sensitivity of SARS-CoV-2 Cell-to-Cell and Cell-Free Modes of Infection to Convalescent Sera [] |
Sci Rep | Immunoreactivity of the SARS-CoV-2 entry proteins ACE-2 and TMPRSS-2 in murine models of hormonal manipulation, ageing, and cardiac injury [34907257] |
European Journal of Clinical Investigation | Angiotensin‐converting enzyme 2 and Transmembrane protease serine 2 in female and male patients with end‐stage kidney disease [Pubmed:35366343] |
Metabolites | Ramipril Reduces Acylcarnitines and Distinctly Increases Angiotensin-Converting Enzyme 2 Expression in Lungs of Rats [Pubmed:35448480] |