Target intelligence / Profile preview

Mitogen-activated protein kinase kinase 4 (MKK4)

Target
MKK4
Molecular classification
Serine/threonine-specific protein kinase, Dual-specificity kinase, Enzyme
01

Overview

MKK4 is a dual-specificity protein kinase that phosphorylates and activates JNKs and p38 MAPKs in response to cellular stresses and proinflammatory cytokines. It plays a critical role in stress response, immune function, and embryonic development. Its role in cancer is complex, with evidence suggesting both tumor suppressor and pro-oncogenic functions.

Other names
MAP2K4SEK1JNKK1
02

Mechanism of action

Phosphorylates and activates JNKs and p38 MAPKs.

03

Biological functions

Signal transductionStress responseImmune regulationCell proliferationApoptosisDifferentiation
04

Disease associations

CancerInflammationImmune disordersDevelopmental disorders
05

Safety considerations

Context-dependent tumor suppressor/pro-oncogenic roles complicate therapeutic targeting.

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