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血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Angiotensin I Converting Enzyme 2 (ACE2) ,etc. by FLIA (Flow Luminescence Immunoassay)

ACEH; ACEII; ACE-II; Peptidyl-Dipeptidase A; ACE-related carboxypeptidase; Angiotensin-converting enzyme homolog; Metalloprotease MPROT15

（注：單次混測多因子不超過8個指標(biāo) ）

  • 血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • 血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • Certificate 通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)，經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制，不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測，因此本試劑盒有可能與未經(jīng)檢測的其它物質(zhì)有交叉反應(yīng)。

回收率

分別于定值血清及血漿樣本中加入一定量的血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)（加標(biāo)樣品），重復(fù)測定并計算其均值，回收率為測定值與理論值的比率。

樣本 回收率范圍(%) 平均回收率(%)
serum(n=5) 79-88 83
EDTA plasma(n=5) 78-103 89
heparin plasma(n=5) 78-99 90

精密度

精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內(nèi)差：取同批次試劑盒對低、中、高值定值樣本進行定量檢測,每份樣本連續(xù)測定20 次，分別計算不同濃度樣本的平均值及SD值。
批間差：選取3個不同批次的試劑盒分別對低、中、高值定值樣本進行定量測定，每個樣本使用同一試劑盒重復(fù)測定8次，分別計算不同濃度樣本的平均值及SD值。
批內(nèi)差： CV<10%
批間差： CV<12%

線性

在定值血清及血漿樣本內(nèi)加入適量的血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)，并倍比稀釋成1:2，1:4，1:8，1:16的待測樣本，線性范圍即為稀釋后樣本中血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)含量的測定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 86-101% 78-95% 83-95% 80-92%
EDTA plasma(n=5) 78-90% 85-93% 93-101% 97-105%
heparin plasma(n=5) 87-97% 81-97% 85-101% 88-101%

穩(wěn)定性

經(jīng)測定，試劑盒在有效期內(nèi)按推薦溫度保存，其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響，實驗室的環(huán)境條件需盡量保持一致，尤其是實驗室內(nèi)溫度、濕度及溫育條件。其次由同一實驗員來進行操作可減少人為誤差。

實驗流程

1. 實驗前標(biāo)準(zhǔn)品、試劑及樣本準(zhǔn)備；
2. 加樣（標(biāo)準(zhǔn)品、樣本、磁珠）標(biāo)準(zhǔn)品或樣本100μL及磁珠10μL，
    37°C酶標(biāo)板振蕩器孵育90分鐘；
3. 磁吸甩干，加檢測溶液A100μL，37°C酶標(biāo)板振蕩器孵育60分鐘；
4. 磁吸洗板3次；
5. 加檢測溶液B100μL，37°C振動孵育30分鐘；
6. 磁吸洗板3次；
7. 加鞘液100μL，旋渦震蕩2分鐘后讀數(shù)。

實驗原理

將血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體包被于磁珠，制成固相載體，向微孔中分別加入標(biāo)準(zhǔn)品或標(biāo)本以及磁珠，其中的血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體，將未結(jié)合的生物素化抗體洗凈后，加入PE標(biāo)記的親和素，再次徹底洗滌后即可上機讀數(shù)。MFI值和樣品中的血管緊張素轉(zhuǎn)化酶2(ACE2)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關(guān)。

贈品

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參考文獻

雜志 參考文獻
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]
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