Related Experiment Video

Updated: Aug 14, 2025

Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay
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Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay

Published on: November 11, 2018

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Ras superfamily GTPase activating proteins in cancer: Potential therapeutic targets?

Huan Xiao1, Guan Wang1, Min Zhao1

  • 1State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu, 610041, China.

European Journal of Medicinal Chemistry
|January 15, 2023
PubMed

Insights

GTPase activating proteins (GAPs) regulate cell growth by controlling the Ras signaling pathway. Dysfunctional GAPs are linked to cancer, highlighting their potential as therapeutic targets for Ras-mutant tumors.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Ras-mutant tumors are a significant therapeutic challenge.
  • GTPase activating proteins (GAPs) are key regulators of the Ras GTP/GDP cycle.
  • Inactivated GAPs contribute to uncontrolled cell proliferation and carcinogenesis.

Purpose of the Study:

  • To review the critical role of GAPs in human tumors.
  • To explore GAPs as potential anti-tumor therapeutic targets.
  • To discuss the clinical value and future directions for GAPs in cancer therapy.

Main Methods:

  • Literature review summarizing the classification, function, and regulatory mechanisms of GAPs.
  • Comprehensive analysis of the relationship between dysregulated GAPs and specific tumor types.
  • Evaluation of current research progress and clinical applications of GAPs.

Main Results:

  • GAPs are crucial for GTP hydrolysis, regulating the Ras signaling pathway.
  • Dysregulation of GAPs is closely linked to the development of various human tumors.
  • GAPs demonstrate significant potential as therapeutic targets for cancer treatment.

Conclusions:

  • GAPs play a vital role in tumor suppression and are implicated in carcinogenesis when dysregulated.
  • Targeting GAPs offers a promising strategy for treating Ras-mutant tumors.
  • Further research into GAPs is essential for advancing cancer therapy and overcoming therapeutic challenges.
Keywords:
CancerGTPase activating proteins (GAPs)Ras superfamilyTarget therapy

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