Target intelligence / Profile preview

p70 ribosomal protein S6 kinase (p70S6K)

Target
p70S6K
Molecular classification
Enzyme, Serine/threonine protein kinase, S6 kinase family
01

Overview

p70 ribosomal protein S6 kinase (p70S6K or S6K1) is a serine/threonine kinase that plays a key role in translation regulation, cell growth, and metabolism. It is activated by the PI3K/mTOR pathway and phosphorylates the ribosomal protein S6, enhancing translation of mRNAs encoding ribosomal proteins and elongation factors. Dysregulation of p70S6K is implicated in various diseases including cancer, diabetes, and fibrotic conditions, making it a therapeutic target.

Other names
S6K1RPS6KB1
02

Mechanism of action

Small-molecule inhibitors targeting p70S6K; Inhibition of mTORC1 to indirectly affect p70S6K activity.

03

Biological functions

Translation regulationCell growthCell proliferationMetabolic regulationRegulation of insulin sensitivityCell cycle progressionCell survival
04

Disease associations

CancerType 2 diabetesObesityFibrotic diseasesPulmonary fibrosis
05

Safety considerations

Narrow therapeutic index of mTOR inhibitorsPotential side effects of kinase inhibitors
06

Interacting drugs

mTOR inhibitors

1 more in the full profile.

07

Biomarkers

Plasma levels of p70S6K (for monitoring response to mTOR inhibitors)

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