IndraLab

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MAP3K7 activates USP4. 4 / 4
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"USP4 binds to overexpressed TAK1 with TAB1 and TNFalpha induces association of USP4 with TAK1."

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"Previous study also showed that USP4 targets TAK1 by removing K63 linked polyubiquitination and then recruit IkappaB kinase (IKK) complex to simulate TNF-alpha -induced NF-kappaB activation 49."

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"TAK1 was required for USP4 function in hepatic I/R injury as TAK1 inhibition abolished USP4 function in vitro In conclusion, our study demonstrates that USP4 deficiency plays a detrimental role in hepatic I/R injury by promoting activation of the TAK1 and JNK signalling pathways."

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"Molecular analysis revealed that USP4 deficiency augmented the activation of the transforming growth factor beta activated kinase 1 (TAK1)-(JNK1/2)/P38 signaling in response to hypertrophic stress, and blockage of TAK1 activation abolished the pathological effects of USP4 deficiency in vivo."