viernes, 3 de febrero de 2017

PIK3R2 gene - Genetics Home Reference

PIK3R2 gene - Genetics Home Reference

Genetics Home Reference, Your Guide to Understanding Genetic Conditions

PIK3R2 gene

phosphoinositide-3-kinase regulatory subunit 2

The PIK3R2 gene provides instructions for making one piece (subunit) of an enzyme called phosphatidylinositol 3-kinase (PI3K). The primary function of the subunit, which is known as P85β, is to regulate the PI3K enzyme's activity.
PI3K is a kinase, which means that it adds a cluster of oxygen and phosphorus atoms (a phosphate group) to other proteins through a process called phosphorylation. PI3K phosphorylates certain signaling molecules, which triggers a series of additional reactions as part of a chemical signaling pathway called the PI3K-AKT-mTOR pathway. This signaling influences many critical cell functions, including the creation (synthesis) of new proteins, cell growth and division (proliferation), and the survival of cells. The PI3K-AKT-mTOR pathway is essential for the normal development of many parts of the body, including the brain.

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