Related Experiment Video

Updated: Mar 9, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
07:49

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods

Published on: July 17, 2019

6.6K

Arresting kinase suppressor of Ras in an inactive state

Syed Lal Badshah1, Yahia Mabkhot2

  • 1Department of Chemistry, Islamia College University Peshawar, Peshawar, Khyber Pukhtoonkhwa, 25120, Pakistan. shahbiochemist@gmail.com.

Chinese Journal of Cancer
|January 11, 2017
PubMed

Insights

Small molecules can inhibit cancer by stabilizing the inactive state of kinase suppressor of Ras (KSR) protein. This KSR inhibition disrupts oncogenic Ras signaling pathways, offering a new cancer treatment strategy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Ras protein signaling pathways are crucial in cancer development.
  • Kinase suppressor of Ras (KSR) protein plays a key role in these pathways.
  • Targeting KSR offers a potential strategy for cancer therapy.

Discussion:

  • Dhawan et al. explored small molecule inhibition of KSR.
  • A biphenyl ether quinazoline derivative was identified as a KSR inhibitor.
  • This molecule stabilizes the inactive conformation of KSR.

Key Insights:

  • The small molecule binds to a KSR pocket, inducing an inactive state.
  • Stabilizing KSR's inactive form prevents its participation in downstream signaling.
  • This mechanism effectively antagonizes oncogenic Ras signaling.

Outlook:

  • This study provides a novel approach to targeting Ras-driven cancers.
  • Small molecule stabilization of KSR offers a promising therapeutic avenue.
  • Further research may lead to new cancer treatments based on KSR inhibition.
Keywords:
CancerKinase inhibitorsQuinazoline analoguesRasStructure–activity relationship

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