ELISA Kit for Bcl2 Associated X Protein (Bax)

BCL2L4; Bax Zeta; Apoptosis regulator BAX; Bcl-2-like protein 4


This assay has high sensitivity and excellent specificity for detection of Bcl2 Associated X Protein (Bax).
No significant cross-reactivity or interference between Bcl2 Associated X Protein (Bax) and analogues was observed.


Matrices listed below were spiked with certain level of recombinant Bcl2 Associated X Protein (Bax) and the recovery rates were calculated by comparing the measured value to the expected amount of Bcl2 Associated X Protein (Bax) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 93-102 98
EDTA plasma(n=5) 90-98 94
heparin plasma(n=5) 91-101 94


Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Bcl2 Associated X Protein (Bax) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Bcl2 Associated X Protein (Bax) 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 Bcl2 Associated X Protein (Bax) 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) 90-104% 83-98% 78-90% 80-101%
EDTA plasma(n=5) 98-105% 88-98% 92-99% 83-97%
heparin plasma(n=5) 79-101% 95-105% 88-102% 81-91%


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
International Journal of Health Sciences Neurotoxic effect of lead on rats: Relationship to Apoptosis NCBI: PMC3883608
Interactive cardiovascular and thoracic surgery Effects of hepatocyte growth factor in myocarditis rats induced by immunization with porcine cardiac myosin Pubmed: 24327573
Histochem Cell Biol. Inhibition of small HA fragment activity and stimulation of A2A adenosine receptor pathway limit apoptosis and reduce cartilage damage in experimental arthritis Pubmed:25511416
Mol Cell Biochem. The combined treatment with novel platinum(II) complex and anti-MUC1 increases apoptotic response in MDA-MB-231 breast cancer cells PubMed: 26112902
Histochem Cell Biol Inhibition of small HA fragment activity and stimulation of A2A PubMed: 25511416
European Journal of Medicinal Plants Hepatoprotective Effects of Rubus idaeus L. Leaves against CCl4-Induced Liver Injury via Antioxidant, Anti-inflammatory and Antiapoptotic Mechanisms openview:626440
Scientific Reports In Vivo Characterization of ARN14140, a Memantine/Galantamine-Based Multi-Target Compound for Alzheimer's Disease pubmed:27609215
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
Behavioural Brain Research Amyloid toxicity is enhanced after pharmacological or genetic invalidation of the 1 receptor pubmed:29129596
Biomedicine & Pharmacotherapy Mechanistic insights into the effects of quercetin and/or GLP-1 analogue liraglutide on high-fat diet/streptozotocin-induced type 2 diabetes in rats pubmed:28554128
Oncology Letters Mechanism of anticancer action of novel berenil complex of platinum(II) combined with anti-MUC1 in MCF-7 breast cancer cells 10.3892/ol.2017.7623
International Journal of Biological Macromolecules A polysaccharide (PNPA) from Pleurotus nebrodensis ameliorates hepatic ischemic/reperfusion (I/R) injury in rats pubmed:28709897
Toxicology and Environmental Health Sciences Potentiation of Apoptosis in Rat Striatum Exposed to Endosulfan and the Role of Quercetin 10.1007/s13530-017-0325-1
Biomedicine & Pharmacotherapy Cardioprotective effect of the xanthones from Gentianella acuta against myocardial ischemia/reperfusion injury in isolated rat heart pubmed:28686977
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