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Proto-oncogene protein Bcl-2 (Bcl-2)
- Target
- Bcl-2
- Molecular classification
- Apoptosis regulator, Proto-oncogene, BCL-2 family protein
01
Overview
Proto-oncogene protein Bcl-2 (B-cell lymphoma 2) is a key regulator of apoptosis, the programmed cell death process. It is the founding member of the Bcl-2 family of proteins, which includes both anti-apoptotic and pro-apoptotic members that collectively control mitochondrial-mediated apoptosis. Bcl-2 promotes cell survival by preventing activation of pro-apoptotic proteins and inhibiting caspase activation. Overexpression or dysregulation is associated with various cancers, making it a significant target for cancer therapy development.
- Other names
- B-cell lymphoma 2 proteinBCL2
02
Mechanism of action
Blocks cytochrome c release; inhibits caspases; forms heterodimers with pro-apoptotic proteins.
03
Biological functions
Inhibition of apoptosisRegulation of mitochondrial dynamicsModulation of calcium homeostasisRegulation of cellular metabolismCell survival
04
Disease associations
CancerLymphoma
05
Safety considerations
Potential for off-target effects due to interactions with other Bcl-2 family membersDevelopment of resistance to Bcl-2 inhibitors
06
Interacting drugs
Small molecule inhibitors targeting Bcl-2
07
Biomarkers
Bcl-2 protein levels in tumor tissue
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