PI3K Pathway

Q1: What is the PI3K signaling pathway?The PI3K pathway is a lipid kinase-driven signaling cascade involving phosphoinositide 3-kinases and downstream effectors such as AKT, regulating key cellular processes.

Q2: How does PI3K signaling work?Activated PI3K converts PIP2 into PIP3, which recruits and activates AKT and other PH-domain-containing proteins to propagate intracellular signaling.

Q3: What biological functions are controlled by PI3K?PI3K signaling controls cell survival, proliferation, metabolism, apoptosis, and motility, acting as a central regulator of cellular homeostasis.

Q4: Why is the PI3K pathway significant in disease?Aberrant PI3K activation is frequently observed in cancer and metabolic disorders, where it supports tumor survival, growth, and therapy resistance.