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血管緊張素1-7(Ang1-7)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for Angiotensin 1-7 (Ang1-7)

  • 血管緊張素1-7(Ang1-7)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 血管緊張素1-7(Ang1-7)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 血管緊張素1-7(Ang1-7)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 實(shí)驗(yàn)結(jié)果圖
  • CES085Ra.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 通過(guò)ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)血管緊張素1-7(Ang1-7),經(jīng)檢測(cè)與其它相似物質(zhì)無(wú)明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來(lái)源的限制,不可能完成對(duì)所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測(cè),因此本試劑盒有可能與未經(jīng)檢測(cè)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1-7(Ang1-7)(加標(biāo)樣品),重復(fù)測(cè)定并計(jì)算其均值,回收率為測(cè)定值與理論值的比率。

樣本 回收率范圍(%) 平均回收率(%)
serum(n=5) 86-99 93
EDTA plasma(n=5) 79-91 84
heparin plasma(n=5) 85-95 91

精密度

精密度用樣品測(cè)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(duì)低、中、高值定值樣本進(jìn)行定量檢測(cè),每份樣本連續(xù)測(cè)定20 次,分別計(jì)算不同濃度樣本的平均值及SD值。
批間差:選取3個(gè)不同批次的試劑盒分別對(duì)低、中、高值定值樣本進(jìn)行定量測(cè)定,每個(gè)樣本使用同一試劑盒重復(fù)測(cè)定8次,分別計(jì)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1-7(Ang1-7),并倍比稀釋成1:2,1:4,1:8,1:16的待測(cè)樣本,線性范圍即為稀釋后樣本中血管緊張素1-7(Ang1-7)含量的測(cè)定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 81-90% 92-101% 80-92% 87-102%
EDTA plasma(n=5) 87-94% 87-104% 96-105% 82-92%
heparin plasma(n=5) 91-99% 87-95% 93-101% 84-101%

穩(wěn)定性

經(jīng)測(cè)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(duì)試劑盒破壞前后檢測(cè)值的影響,實(shí)驗(yàn)室的環(huán)境條件需盡量保持一致,尤其是實(shí)驗(yàn)室內(nèi)溫度、濕度及溫育條件。其次由同一實(shí)驗(yàn)員來(lái)進(jìn)行操作可減少人為誤差。

實(shí)驗(yàn)流程

1. 實(shí)驗(yàn)前標(biāo)準(zhǔn)品、試劑及樣本的準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品及樣本)50µL,
    加入50µL檢測(cè)液A(臨用前配制);
    37°C溫育1小時(shí)。
3. 洗板3次;
4. 加檢測(cè)溶液B100µL,37°C孵育30分鐘;
5. 洗板5次;
6. 加TMB底物90µL,37°C孵育10-20分鐘;
7. 加終止液50µL,立即450nm讀數(shù)。

實(shí)驗(yàn)原理

本試劑盒應(yīng)用競(jìng)爭(zhēng)抑制酶聯(lián)免疫分析法測(cè)定標(biāo)本中待測(cè)物質(zhì)水平。將血管緊張素1-7(Ang1-7)單克隆抗體包被微孔板,制成固相載體,往包被抗體的微孔中同時(shí)加入生物素標(biāo)記的抗原和待測(cè)抗原(標(biāo)準(zhǔn)品或樣本),待測(cè)抗原與生物素標(biāo)記抗原對(duì)特異性抗體進(jìn)行競(jìng)爭(zhēng)結(jié)合。溫育后經(jīng)洗滌去掉未結(jié)合物,然后加入HRP標(biāo)記的親和素,經(jīng)過(guò)溫育和徹底洗滌后加入底物TMB顯色。TMB在過(guò)氧化物酶的催化下轉(zhuǎn)化成藍(lán)色,并在酸的作用下轉(zhuǎn)化成最終的黃色。待測(cè)標(biāo)本濃度越高,標(biāo)記抗原和抗體的結(jié)合就越受到抑制,顯色愈淺。顯色的深淺與酶量呈正相關(guān),而與樣品中待測(cè)物質(zhì)含量呈負(fù)相關(guān)。用酶標(biāo)儀在450nm波長(zhǎng)下測(cè)定吸光度(O.D.值),計(jì)算樣品濃度。

相關(guān)產(chǎn)品

編號(hào) 適用物種:Rattus norvegicus (Rat,大鼠) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
PAS085Ra01 血管緊張素1-7(Ang1-7)多克隆抗體 ELISA, CLIA. / IHC-Fr, ICC, IP (predicted).
MAS085Ra21 血管緊張素1-7(Ang1-7)單克隆抗體 ELISA, CLIA. / IHC-Fr, ICC, IP (predicted).
CES085Ra 血管緊張素1-7(Ang1-7)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMS085Ra 血管緊張素1-7(Ang1-7)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.
KSS085Ra11 血管緊張素1-7(Ang1-7)檢測(cè)試劑盒DIY材料(酶聯(lián)免疫吸附試驗(yàn)法) Main materials for "Do It (ELISA Kit) Yourself".

參考文獻(xiàn)

雜志 參考文獻(xiàn)
J Stroke Cerebrovasc Dis Improvement of Plasma Biomarkers after Switching Stroke Patients from Other Angiotensin II Type I Receptor Blockers to Olmesartan [PubMed: 25891757]
Cellular Physiology and Biochemistry Angiotensin-(1-7) in Paraventricular Nucleus Contributes to the Enhanced Cardiac Sympathetic Afferent Reflex and Sympathetic Activity in Chronic Heart Failure Rats [pubmed:28848201]
Frontiers in Physiology Hydrogen Sulfide Attenuates Atherosclerosis in a Partially Ligated Carotid Artery Mouse model via Regulating Angiotensin Converting Enzyme 2 Expression [pubmed:29066981]
Molecular Medicine Reports The ACE2-Ang (1-7)-Mas receptor axis attenuates cardiac remodeling and fibrosis in post-myocardial infarction. [pubmed:28656296]
Journal of Clinical Pharmacy and Therapeutics Relationship between genetic variants of ACE2 gene and circulating levels of ACE2 and its metabolites. [pubmed:28895159]
Molecular Medicine Reports Effects of IQP, VEP and Spirulina platensis hydrolysates on the local kidney renin angiotensin system in spontaneously hypertensive rats [pubmed:28944898]
Open Journal of Endocrine and Metabolic Diseases Paper Submission A Study of the Correlation between Angiotensin (1-7) and the Histopathological Changes in the Penises of Experimentally Diabetic Rats [2-1980272_83198.htm]
Journal of the American Society of Hypertension Mesenchymal stem cell–derived microvesicles alleviate pulmonary arterial hypertension by regulating renin-angiotensin system [Pubmed:29752040]
Innate?Immunity? Lipoxin A attenuates LPS-induced acute lung injury via activation of the ACE2-Ang-(1-7)-Mas axis [Pubmed:29969931]
Evidence-based?Complementary and Alternative?Medicine? Acute Biochemical, Cardiovascular, and Autonomic Response to Hyperbaric (4 atm) Exposure in Healthy Subjects [Pubmed:29977313]
European Journal of Obstetrics & Gynecology and Reproductive Biology The impact of ovulation inducing drugs on carcinogenesis []
European Journal of Obstetrics & Gynecology and Reproductive Biology Changes of angiotensin II (1–8) and angiotensin (1–7) levels in early and late-onset preeclampsia []
Journals of Gerontology Series A-Biological Sciences and Medical Sciences Therapeutic Delivery of Ang (1-7) Via Genetically Modified Probiotic: A Dosing Study. [Pubmed: 31586210]
journal of the european academy of dermatology and venereology Significance of the angiotensin I/angiotensin II/angiotensin‐(1‐7) axis in the pathogenesis of systemic sclerosis [Pubmed: 31746507]
Medicine Alteration and association between serum ACE2/angiotensin (1-7)/Mas axis and oxidative stress in chronic kidney disease: A pilot study [Pubmed: 32756181]
Dikkat Eksikli?i Hiperaktivite Bozuklu?u Tan?s? Olan Anjiyotensin I, II, III, Alamandin peptid, Anjiyotensin D?nü?türücü Enzim (ACE), NADPH Oksidaz Enzim Serum?… []
Amino Acids Angiotensin-(1¨C7) attenuates collagen-induced arthritis via inhibiting oxidative stress in rats [33398523]
Autoimmunity The prevalence and role of functional autoantibodies to angiotensin-converting-enzyme-2 in patients with systemic sclerosis [33910447]
researchsquare Ang-(1-7) Protects Skeletal Muscle Function in Aged Mice []
Peptides Angiotensin-(1-7) protects against sepsis-associated left ventricular dysfunction induced by lipopolysaccharide [34298021]
BMC Musculoskeletal Disorders Ang-(1–7) protects skeletal muscle function in aged mice [34548056]
J Cardiovasc Pharmacol Resveratrol Confers Protection Against Ischemia/Reperfusion Injury by Increase of Angiotensin (1-7) Expression in a Rat Model of Myocardial Hypertrophy [34232225]
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