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膜聯(lián)蛋白A2(ANXA2)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Annexin A2 (ANXA2) ,etc. by FLIA (Flow Luminescence Immunoassay)

ANX-A2; ANX2L4; CAL1H; LIP2; LPC2; LPC2D; P36; PAP-IV; Protein I; Chromobindin-8; Calpactin-1 heavy chain; Lipocortin II; Placental anticoagulant protein IV

(注:單次混測多因子不超過8個指標 )

  • 膜聯(lián)蛋白A2(ANXA2)等多因子檢測試劑盒(流式熒光發(fā)光法)產(chǎn)品包裝(模擬)
  • 膜聯(lián)蛋白A2(ANXA2)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質量體系認證

特異性

本試劑盒用于檢測膜聯(lián)蛋白A2(ANXA2)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無明顯交叉反應。
由于受到技術及樣本來源的限制,不可能完成對所有相關或相似物質交叉反應檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質有交叉反應。

回收率

分別于定值血清及血漿樣本中加入一定量的膜聯(lián)蛋白A2(ANXA2)等多因子檢測試劑盒(流式熒光發(fā)光法)(加標樣品),重復測定并計算其均值,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)89-9895
EDTA plasma(n=5)96-10599
heparin plasma(n=5)89-9893
sodium citrate plasma(n=5)95-105101

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測定8次,分別計算不同濃度樣本的平均值及SD值。
批內差: CV<10%
批間差: CV<12%

線性

在定值血清及血漿樣本內加入適量的膜聯(lián)蛋白A2(ANXA2)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膜聯(lián)蛋白A2(ANXA2)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1:21:41:81:16
serum(n=5)86-101%80-104%95-103%93-101%
EDTA plasma(n=5)88-98%83-98%84-98%96-105%
heparin plasma(n=5)78-101%91-103%87-98%79-101%
sodium citrate plasma(n=5)95-105%92-105%98-105%87-96%

穩(wěn)定性

經(jīng)測定,試劑盒在有效期內按推薦溫度保存,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. 實驗前標準品、試劑及樣本準備;
2. 加樣(標準品、樣本、磁珠)標準品或樣本100μL及磁珠10μL,
    37°C酶標板振蕩器孵育90分鐘;
3. 磁吸甩干,加檢測溶液A100μL,37°C酶標板振蕩器孵育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

將膜聯(lián)蛋白A2(ANXA2)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準品或標本以及磁珠,其中的膜聯(lián)蛋白A2(ANXA2)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合,然后加入生物素化的膜聯(lián)蛋白A2(ANXA2)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體,將未結合的生物素化抗體洗凈后,加入PE標記的親和素,再次徹底洗滌后即可上機讀數(shù)。MFI值和樣品中的膜聯(lián)蛋白A2(ANXA2)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關。

贈品

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參考文獻

雜志參考文獻
Journal of Cellular BiochemistrySubcellular proteome analysis unraveled annexin A2 related to immune liver fibrosis[PubMed: 20225235]
World Journal of GastroenterologyExpression characteristics and diagnostic value of annexin A2 in hepatocellular carcinoma[PubMed: PMC3491596]
Oncology LettersAnnexin A2 is not a good biomarker for hepatocellular carcinoma in cirrhosis[PubMed: PMC3742823]
IbrahimAnnexin A2 Versus Afp as An Efficient Diagnostic Serum Marker for Hepatocellular Carcinoma[Ghrnet: Source]
European Journal of Clinical Microbiology &amp; Infectious DiseasesSerum annexin A2 levels in acute brucellosis and brucellar spondylodiscitis[Pubmed:24853056]
Biomedicine &amp; PharmacotherapyCirculating annexin A2 as a biomarker in gastric cancer patients: Correlation with clinical variables[Pubmed:25661364]
Hepat MonSerum Levels of Annexin A2 as a Candidate Biomarker for Hepatic Fibrosis in Patients With Chronic Hepatitis B[PubMed: 26587036]
Tumour BiolUp-regulation of annexin A2 expression predicates advanced clinicopathological features and poor prognosis in hepatocellular carcinoma[PubMed: 26109000]
Biomed PharmacotherCirculating[PubMed: 25661364]
Tumour BiolEvaluation of annexin A2 and as potential biomarkers for hepatocellular carcinoma[PubMed: 26189841]
Eur J Clin InvestStairs instead of elevators at the workplace decreases PCSK9 levels in a healthy population[PubMed: 26081791]
Journal of Oral and Maxillofacial SurgerySerum?Annexin?A2?Level?Is?Associated?With?Diagnosis?and?Prognosis?in?Patients?With?OralSquamous?Cell?Carcinoma.[pubmed:27889534]
Pregnancy HypertensAssessment of annexin A5 and annexin A2 levels as biomarkers for pre-eclampsia: A pilot study.[pubmed:28501283]
Mol Nutr Food Res.Epigallocatechin gallate induces an up-regulation of LDL receptor accompanied by a reduction of PCSK9 via the annexin A2-independent pathway in HepG2 cells.[pubmed:28181408]
Archives of Gynecology and ObstetricsExpression of annexin A2 in adenomyosis and dysmenorrhea[Pubmed: 31183557]
CancersExtracellular Vesicles-Based Biomarkers Represent a Promising Liquid Biopsy in Endometrial Cancer[Pubmed: 31842290]
PLASMA BIOMARKER FOR OVARIAN CANCER[]
DiagnosticsDiagnostic Value of Plasma Annexin A2 in Early-Stage High-Grade Serous Ovarian Cancer. Diagnostics 2021, 11, 69[33406648]
ADVANCED RESEARCHESSearch for Effective Serum Tumor Markers for Early Diagnosis of Hepatocellular Carcinoma Associated with Hepatitis C[]
Cancer Cell InternationalBufalin Induced Mitochondrial Dysfunction Promotes Apoptosis of Glioma Cells by Regulating Annexin A2 and DRP1 Proteins[]
Cancer Cell IntBufalin induces mitochondrial dysfunction and promotes apoptosis of glioma cells by regulating Annexin A2 and DRP1 protein expression[34376212]