ELISA Kit for Phospholipase A2 Group VII (PLA2G7)

LpPLA2; PAF-AH; PAFAH; Lp-PLA2; LDL-PLA2; Platelet Activating Factor Acetylhydrolase,Plasma; Phospholipase A2,Group VII; LDL-associated phospholipase A2; Phospholipase A2, Lipoprotein Associated


This assay has high sensitivity and excellent specificity for detection of Phospholipase A2 Group VII (PLA2G7).
No significant cross-reactivity or interference between Phospholipase A2 Group VII (PLA2G7) and analogues was observed.


Matrices listed below were spiked with certain level of recombinant Phospholipase A2 Group VII (PLA2G7) and the recovery rates were calculated by comparing the measured value to the expected amount of Phospholipase A2 Group VII (PLA2G7) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 96-105 101
EDTA plasma(n=5) 78-104 91
heparin plasma(n=5) 85-96 91


Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Phospholipase A2 Group VII (PLA2G7) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Phospholipase A2 Group VII (PLA2G7) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%


The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Phospholipase A2 Group VII (PLA2G7) 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) 82-91% 89-99% 83-98% 96-104%
EDTA plasma(n=5) 98-105% 89-97% 78-101% 78-94%
heparin plasma(n=5) 78-95% 83-97% 78-102% 94-101%


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
TMB Substrate 1×9mL Stop Solution 1×6mL
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 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.



Magazine Citations
Science & Sports The effects of different intensity walking programs on serum blood lipids, high-sensitive C-reactive protein, and lipoprotein-associated phospholipase A2 in premenopausal women ScienceDirect: S0765159710000262
Metabolic Syndrome and Related Disorders Association of Serum Lipoprotein-Associated Phospholipase A2 Level with Nonalcoholic Fatty Liver Disease Wiley: source
34 Effects of Pycnogenol on endothelial function in patients with stable coronary artery disease: a double-blind, randomized, placebo-controlled, cross-over study PubMed: 22240497
PLoS ONE Effects of Lipid-Lowering Drugs on Irisin in Human Subjects In Vivo and in Human Skeletal Muscle Cells Ex Vivo PubMed: PMC3759413
China Pharmacy Influence of Tongfengtai Granules on Inflammatory Factor in Acute Gouty Arthritis Model Rats Source
Atherosclerosis Everolimus therapy is associated with reduced lipoprotein-associated phospholipase A2 (Lp-Pla2) activity and oxidative stress in heart transplant recipients. Pubmed: 23958269
Journal of Diabetes Research Lipoprotein-Associated Phospholipase A2 Mass Level Is Increased in Elderly Subjects with Type 2 Diabetes Mellitus Hindawi: 278063
Health The Role of Asymmetric Dimethylarginine and Lipoprotein Associated Phospholipase A2 in Children and Adolescents with Dyslipidemia Scirp:Source
Biology Bulletin In vitro lipid-lowering and fibrinolytic effects of regulatory leucine-containing glyprolines in human blood Springer:Source
Gynecol Endocrinol. Lipoprotein-associated phospholipase A2 and AGEs are associated with cardiovascular risk factors in women with history of gestational diabetes mellitus. Pubmed:24397392
Journal of Diabetes Research Lipoprotein-Associated Phospholipase A 2 Mass Level Is Increased in Elderly Subjects with Type 2 Diabetes Mellitus Pubmed:24818163
Metabolism. Effects of sitagliptin therapy on markers of low-grade inflammation and cell adhesion molecules in patients with type 2 diabetes Pubmed:25034387
J Am Heart Assoc Effect of Extended‐Release Niacin on High‐Density Lipoprotein (HDL) Functionality, Lipoprotein Metabolism, and Mediators of Vascular Inflammation in Statin‐Treated Patients PubMed: 26374297
Czecho-Slovak Dermatology / Cesko-Slovenska Dermatologie V Ebscohost
Endocrinol Metab (Seoul). Effect of Pitavastatin Treatment on ApoB-48 and Lp-PLA2 in Patients with Metabolic Syndrome: Substudy of PROspective Comparative Clinical Study Evaluating the Efficacy and Safety of PITavastatin in Patients with Metabolic Syndrome pmc:PMC4803547
Clin Pharmacol Ther.  Effect of dipyridamole on myocardial reperfusion injury: A double‐blind randomized controlled trial in patients undergoing elective coronary artery bypass surgery Pubmed:25773594
Lipids in Health and Disease Effect of intensive insulin treatment on plasma levels of lipoprotein-associated phospholipase A 2 and secretory phospholipase A 2 in patients with newly … articles:10.1186
Catalog No. Related products for research use of Homo sapiens (Human) Organism species Applications (RESEARCH USE ONLY!)
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