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膜聯(lián)蛋白A2(ANXA2)檢測試劑盒(化學發(fā)光免疫分析法)

CLIA Kit for Annexin A2 (ANXA2)

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

  • 膜聯(lián)蛋白A2(ANXA2)檢測試劑盒(化學發(fā)光免疫分析法) 產品包裝(模擬)
  • 膜聯(lián)蛋白A2(ANXA2)檢測試劑盒(化學發(fā)光免疫分析法) 產品包裝(模擬)
  • 膜聯(lián)蛋白A2(ANXA2)檢測試劑盒(化學發(fā)光免疫分析法) 實驗結果圖
  • 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),經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)(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) 79-97 89
EDTA plasma(n=5) 82-104 95
heparin plasma(n=5) 93-101 96

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),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)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) 82-103% 87-95% 91-99% 78-101%
EDTA plasma(n=5) 79-99% 81-101% 86-104% 80-99%
heparin plasma(n=5) 90-98% 97-104% 88-101% 98-105%

穩(wěn)定性

經測定,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、試劑及樣本的準備;
2. 加樣(標準品及樣本)100µL,37°C孵育1小時;
3. 吸棄,加檢測溶液A100μL,37°C孵育1小時;
4. 洗板3次;
5. 加檢測溶液B100µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加底物100µL,37°C孵育10分鐘;
8. 讀數(shù)。

實驗原理

將膜聯(lián)蛋白A2(ANXA2)抗體包被于96孔微孔板中,制成固相載體,向微孔中分別加入標準品或標本,其中的膜聯(lián)蛋白A2(ANXA2)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)抗體,將未結合的生物素化抗體洗凈后,加入HRP標記的親和素,再次徹底洗滌后加入底物。加入底物后會產生輝光型光信號。發(fā)射光強度和樣品中的膜聯(lián)蛋白A2(ANXA2)呈正相關。用化學發(fā)光儀測定相對光單位(RLU),計算樣品濃度。

相關產品

編號 適用物種:Homo sapiens (Human,人) 應用(僅供研究使用,不用于臨床診斷!)
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參考文獻

雜志 參考文獻
Journal of Cellular Biochemistry Subcellular proteome analysis unraveled annexin A2 related to immune liver fibrosis [PubMed: 20225235]
World Journal of Gastroenterology Expression characteristics and diagnostic value of annexin A2 in hepatocellular carcinoma [PubMed: PMC3491596]
Oncology Letters Annexin A2 is not a good biomarker for hepatocellular carcinoma in cirrhosis [PubMed: PMC3742823]
Ibrahim Annexin A2 Versus Afp as An Efficient Diagnostic Serum Marker for Hepatocellular Carcinoma [Ghrnet: Source]
European Journal of Clinical Microbiology &amp; Infectious Diseases Serum annexin A2 levels in acute brucellosis and brucellar spondylodiscitis [Pubmed:24853056]
Biomedicine &amp; Pharmacotherapy Circulating annexin A2 as a biomarker in gastric cancer patients: Correlation with clinical variables [Pubmed:25661364]
Hepat Mon Serum Levels of Annexin A2 as a Candidate Biomarker for Hepatic Fibrosis in Patients With Chronic Hepatitis B [PubMed: 26587036]
Tumour Biol Up-regulation of annexin A2 expression predicates advanced clinicopathological features and poor prognosis in hepatocellular carcinoma [PubMed: 26109000]
Biomed Pharmacother Circulating [PubMed: 25661364]
Tumour Biol Evaluation of annexin A2 and as potential biomarkers for hepatocellular carcinoma [PubMed: 26189841]
Eur J Clin Invest Stairs instead of elevators at the workplace decreases PCSK9 levels in a healthy population [PubMed: 26081791]
Journal of Oral and Maxillofacial Surgery Serum?Annexin?A2?Level?Is?Associated?With?Diagnosis?and?Prognosis?in?Patients?With?OralSquamous?Cell?Carcinoma. [pubmed:27889534]
Pregnancy Hypertens Assessment 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 Obstetrics Expression of annexin A2 in adenomyosis and dysmenorrhea [Pubmed: 31183557]
Cancers Extracellular Vesicles-Based Biomarkers Represent a Promising Liquid Biopsy in Endometrial Cancer [Pubmed: 31842290]
PLASMA BIOMARKER FOR OVARIAN CANCER []
Diagnostics Diagnostic Value of Plasma Annexin A2 in Early-Stage High-Grade Serous Ovarian Cancer. Diagnostics 2021, 11, 69 [33406648]
ADVANCED RESEARCHES Search for Effective Serum Tumor Markers for Early Diagnosis of Hepatocellular Carcinoma Associated with Hepatitis C []
Cancer Cell International Bufalin Induced Mitochondrial Dysfunction Promotes Apoptosis of Glioma Cells by Regulating Annexin A2 and DRP1 Proteins []
Cancer Cell Int Bufalin induces mitochondrial dysfunction and promotes apoptosis of glioma cells by regulating Annexin A2 and DRP1 protein expression [34376212]
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