Title : Phosphorylation of FOXP3 by LCK downregulates MMP9 expression and represses cell invasion.

Pub. Date : 2013

PMID : 24155921






2 Functional Relationships(s)
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1 We observed that LCK phosphorylated Tyr-342 of FOXP3 by immunoprecipitation and in vitro kinase assay, and the replacement of Tyr-342 with phenylalanine (Y342F) abolished the ability to suppress MMP9 expression. Tyrosine LCK proto-oncogene, Src family tyrosine kinase Homo sapiens
2 Thus we demonstrate for the first time that LCK upregulates FOXP3 by tyrosine phosphorylation, resulting in decreased MMP9, SKP2, and VEGF-A expression, and suppressed cellular invasion. Tyrosine LCK proto-oncogene, Src family tyrosine kinase Homo sapiens