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PI3K-Akt-Bcl-2 signaling pathway (PI3K/Akt-Bcl-2 pathway)
- Target
- PI3K/Akt-Bcl-2 pathway
- Molecular classification
- Enzyme, Protein
01
Overview
The PI3K-Akt-Bcl-2 signaling pathway is crucial for cell survival, proliferation, and metabolic regulation. It involves the activation of PI3K, which leads to the phosphorylation and activation of Akt, promoting cell survival through inhibition of apoptosis (mediated by Bcl-2 family proteins). This pathway is frequently dysregulated in cancers, making it a therapeutic target for cancer treatment. Inhibitors targeting PI3K, Akt, and Bcl-2 are being explored for their potential to enhance tumor cell death while sparing normal cells.
- Other names
- Phosphatidylinositol 3-kinase/Akt signaling pathway with Bcl-2 involvement
02
Mechanism of action
Inhibition of PI3K/Akt signaling suppresses cell survival and proliferation. Inhibition of Bcl-2 promotes apoptosis. Combination therapies targeting both PI3K/Akt and Bcl-2 pathways synergistically enhance anti-cancer effects.
03
Biological functions
Signal transductionCell proliferationApoptosisCell survivalMetabolic regulation
04
Disease associations
CancerLeukemiaCardiac hypertrophyMulti-drug resistance
05
Safety considerations
Potential toxicity towards normal cells, although selective inhibitors aim to minimize this.Resistance development over time.
06
Interacting drugs
PI3K inhibitors (e.g., idelalisib, BKM-120)
2 more in the full profile.
07
Biomarkers
Phosphorylated AktBcl-2 expression levels
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