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RCP induces FAK phosphorylation and ovarian cancer cell invasion with inhibition by curcumin.

ABSTRACT: Rab coupling protein (RCP) aggravates cancer cell metastasis and has been implicated in various cancer patient outcomes. Recently, we showed that RCP induces Slug expression and cancer cell invasion by stabilizing the ?1 integrin protein. In the present study, we demonstrated that FAK is implicated in RCP-induced EGFR phosphorylation and ovarian cancer cell invasion with inhibition by curcumin. Ectopic expression of RCP induced FAK phosphorylation, which links ?1 integrin with EGFR and participates in a positive regulation loop with EGFR. Interestingly, we observed for the first time that curcumin attenuates RCP-induced ovarian cancer cell invasion by blocking stabilization of ?1 integrin and consequently inhibiting FAK and EGFR activation, providing potential biomarkers for ovarian cancer and therapeutic approaches for this deadly disease.

SUBMITTER: Choe SR

PROVIDER: S-EPMC5938006 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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RCP induces FAK phosphorylation and ovarian cancer cell invasion with inhibition by curcumin.

Choe So Ra SR Kim Yu Na YN Park Chang Gyo CG Cho Kyung Hwa KH Cho Do Yeun DY Lee Hoi Young HY

Experimental & molecular medicine 20180427 4

Rab coupling protein (RCP) aggravates cancer cell metastasis and has been implicated in various cancer patient outcomes. Recently, we showed that RCP induces Slug expression and cancer cell invasion by stabilizing the β1 integrin protein. In the present study, we demonstrated that FAK is implicated in RCP-induced EGFR phosphorylation and ovarian cancer cell invasion with inhibition by curcumin. Ectopic expression of RCP induced FAK phosphorylation, which links β1 integrin with EGFR and participa ...[more]

PMID: 29700289

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