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Review
. 2023 Aug:248:154681.
doi: 10.1016/j.prp.2023.154681. Epub 2023 Jul 13.

VAV3 in human cancers: Mechanism and clinical implication

Affiliations
Review

VAV3 in human cancers: Mechanism and clinical implication

Sulieman Ibraheem Shelash Al-Hawary et al. Pathol Res Pract. 2023 Aug.

Abstract

Guanine nucleotide exchange factors (GEFs) are primarily involved in signal transmission between cell membrane receptors and intracellular mediators. Upon replacing GDP with GTP, GEFs can alter their conformation, resulting in their binding to downstream effectors, such as GTPases like Ras homologous (Rho). VAV GEF family are versatile proteins working as an adaptor mediator and GEF for Rho GTPase. They act as a phosphorylation-dependent molecular switcher, fluctuating between active (tyrosine phosphorylated) and inactive (non-phosphorylated) conformation in cell signaling. Accumulating data showed that VAV3 is implicated in cancer progression. The higher levels of VAV3 in human cancers proposed that it may have an oncogenic role in cancer progression. Available studies demonstrated that VAV3 promoted cell proliferation, epithelial-mesenchymal transition (EMT), colony formation, cell cycle, survival, migration and invasion, and suppressed cell apoptosis. In addition, other studies indicated that VAV3 may have a prognostic value in cancer as well as it may act as a mediator in cancer chemoresistance. Here, we aimed to investigate the underlying molecular mechanism of VAV3 in cancer progression as well as to review its value as a prognostic biomarker and chemoresistance mediator in human cancers.

Keywords: Biomarker; Cancer; GEF; VAV3.

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Conflict of interest statement

Declaration of Competing Interest The authors declare they have no conflict of interests.

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