ELISA Kit for Factor Related Apoptosis Ligand (FASL)

CD178; CD95L; CD95-L; FASLG; FASLG; APT1LG1; APT1-LG1; TNFSF6; Fas Antigen Ligand; TNF Superfamily Member 6; Tumor Necrosis Factor(ligand)Superfamily,Member 6


This assay has high sensitivity and excellent specificity for detection of Factor Related Apoptosis Ligand (FASL).
No significant cross-reactivity or interference between Factor Related Apoptosis Ligand (FASL) and analogues was observed.


Matrices listed below were spiked with certain level of recombinant Factor Related Apoptosis Ligand (FASL) and the recovery rates were calculated by comparing the measured value to the expected amount of Factor Related Apoptosis Ligand (FASL) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 79-94 90
EDTA plasma(n=5) 84-94 87
heparin plasma(n=5) 81-95 85


Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Factor Related Apoptosis Ligand (FASL) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Factor Related Apoptosis Ligand (FASL) 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 Factor Related Apoptosis Ligand (FASL) 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) 85-101% 80-97% 86-93% 92-101%
EDTA plasma(n=5) 93-102% 94-103% 88-96% 83-104%
heparin plasma(n=5) 99-105% 85-101% 94-102% 98-105%


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
PLoS Pathogens Macrophage-expressed IFN-β Contributes to Apoptotic Alveolar Epithelial Cell Injury in Severe Influenza Virus Pneumonia PubMed: PMC3585175
Tumor Biology The diplotype Fas? 1377A/? 670G as a genetic marker to predict a lower risk of breast cancer in Chinese women Springer:Source
IOS Press Content Library An Intranasal Formulation of Erythropoietin (Neuro-EPO) Prevents Memory Deficits and Amyloid Toxicity in the APPSwe Transgenic Mouse Model of Alzheimer's … articles:journal-of-alzheimers-disease
Catalog No. Related products for research use of Rattus norvegicus (Rat) Organism species Applications (RESEARCH USE ONLY!)
RPA031Ra01 Recombinant Factor Related Apoptosis Ligand (FASL) Positive Control; Immunogen; SDS-PAGE; WB.
PAA031Ra01 Polyclonal Antibody to Factor Related Apoptosis Ligand (FASL) WB; IHC; ICC; IP.
SEA031Ra ELISA Kit for Factor Related Apoptosis Ligand (FASL) Enzyme-linked immunosorbent assay for Antigen Detection.
LMA031Ra Multiplex Assay Kit for Factor Related Apoptosis Ligand (FASL) ,etc. by FLIA (Flow Luminescence Immunoassay) FLIA Kit for Antigen Detection.