Journal
PHYSIOLOGICAL REVIEWS
Volume 102, Issue 1, Pages -Publisher
AMER PHYSIOLOGICAL SOC
DOI: 10.1152/physrev.00045.2020
Keywords
cancer; clinical opportunities; Rho GTPases; signaling
Categories
Funding
- Cancer Research UK (CRUK) [C33043/A24478]
- Barts Charity
- Harry J. Lloyd Charitable Trust
- Comunidad de Madrid
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This review examines the role of Rho GTPase signaling in different stages of cancer progression, highlighting its importance in tumor initiation, proliferation, and metastasis, as well as its involvement in cell migration, interaction with the tumor microenvironment, and inflammation regulation.
Rho GTPases are a family of small G proteins that regulate a wide array of cellular processes related to their key roles controlling the cytoskeleton. Cancer is a multistep disease caused by the accumulation of genetic mutations and epigenetic alterations, from the initial stages of cancer development when cells in normal tissues undergo transformation, to the acquisition of invasive and metastatic traits, responsible for a large number of cancer related deaths. In this review, we discuss the role of Rho GTPase signaling in cancer in every step of disease progression. Rho GTPases contribute to tumor initiation and progression, by regulating proliferation and apoptosis, but also metabolism, senescence, and cancer cell sternness. Rho GTPases play a major role in cell migration and in the metastatic process. They are also involved in interactions with the tumor microenvironment and regulate inflammation, contributing to cancer progression. After years of intensive research, we highlight the importance of relevant models in the Rho GTPase field, and we reflect on the therapeutic opportunities arising for cancer patients.
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