CLIA Kit for Annexin A2 (ANXA2) Homo sapiens (Human) Sandwich CLIA

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

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  • CLIA Kit for Annexin A2 (ANXA2) Packages (Simulation)
  • CLIA Kit for Annexin A2 (ANXA2) Packages (Simulation)
  • CLIA Kit for Annexin A2 (ANXA2) Results demonstration
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of recombinant Annexin A2 (ANXA2) and the recovery rates were calculated by comparing the measured value to the expected amount of Annexin A2 (ANXA2) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 79-97 89
EDTA plasma(n=5) 82-104 95
heparin plasma(n=5) 93-101 96

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Annexin A2 (ANXA2) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Annexin A2 (ANXA2) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Annexin A2 (ANXA2) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 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%

Stability

The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
Substrate A 1×10mL Substrate B 1×2mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 100µL Substrate Solution. Incubate 10 minutes at 37°C;
8. Read RLU value immediately.

CLIA Kit for Annexin A2 (ANXA2)

Test principle

The microplate provided in this kit has been pre-coated with an antibody specific to Annexin A2 (ANXA2). Standards or samples are then added to the appropriate microplate wells with a biotin-conjugated antibody specific to Annexin A2 (ANXA2). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. Then the mixture of substrate A and B is added to generate glow light emission kinetics. Upon plate development, the intensity of the emitted light is proportional to the Annexin A2 (ANXA2) level in the sample or standard.;

Citations

  • Subcellular proteome analysis unraveled annexin A2 related to immune liver fibrosisPubMed: 20225235
  • Expression characteristics and diagnostic value of annexin A2 in hepatocellular carcinomaPubMed: PMC3491596
  • Annexin A2 is not a good biomarker for hepatocellular carcinoma in cirrhosisPubMed: PMC3742823
  • Annexin A2 Versus Afp as An Efficient Diagnostic Serum Marker for Hepatocellular CarcinomaGhrnet: Source
  • Serum annexin A2 levels in acute brucellosis and brucellar spondylodiscitisPubmed:24853056
  • Circulating annexin A2 as a biomarker in gastric cancer patients: Correlation with clinical variablesPubmed:25661364
  • Serum Levels of Annexin A2 as a Candidate Biomarker for Hepatic Fibrosis in Patients With Chronic Hepatitis BPubMed: 26587036
  • Up-regulation of annexin A2 expression predicates advanced clinicopathological features and poor prognosis in hepatocellular carcinomaPubMed: 26109000
  • CirculatingPubMed: 25661364
  • Evaluation of annexin A2 and as potential biomarkers for hepatocellular carcinomaPubMed: 26189841
  • Stairs instead of elevators at the workplace decreases PCSK9 levels in a healthy populationPubMed: 26081791
  • Serum Annexin A2 Level Is Associated With Diagnosis and Prognosis in Patients With OralSquamous Cell Carcinoma.pubmed:27889534
  • Assessment of annexin A5 and annexin A2 levels as biomarkers for pre-eclampsia: A pilot study.pubmed:28501283
  • 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
  • Expression of annexin A2 in adenomyosis and dysmenorrheaPubmed: 31183557
  • Extracellular Vesicles-Based Biomarkers Represent a Promising Liquid Biopsy in Endometrial CancerPubmed: 31842290
  • PLASMA BIOMARKER FOR OVARIAN CANCER
  • Diagnostic Value of Plasma Annexin A2 in Early-Stage High-Grade Serous Ovarian Cancer. Diagnostics 2021, 11, 6933406648
  • Search for Effective Serum Tumor Markers for Early Diagnosis of Hepatocellular Carcinoma Associated with Hepatitis C
  • Bufalin Induced Mitochondrial Dysfunction Promotes Apoptosis of Glioma Cells by Regulating Annexin A2 and DRP1 Proteins
  • Bufalin induces mitochondrial dysfunction and promotes apoptosis of glioma cells by regulating Annexin A2 and DRP1 protein expression34376212

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