Cited by 273Protein Kinase Regulation and GTPase SignalingProtein Tyrosine PhosphatasesMelanoma and MAPK Pathways

KRAS: From undruggable to a druggable Cancer Target

Uprety, Dipesh, Adjei, Alex A.·2020·Cancer Treatment Reviews

Abstract

RAS is the most frequently mutated oncogene in human cancers, with mutations in about 30% of all cancers. RAS exists in three different isoforms (K-RAS, H-RAS and N-RAS) with high sequence homology. K-RAS is the most commonly mutated RAS isoform. The Ras protein is a membrane bound protein with inherent GTPase activity and is activated by numerous extracellular stimuli, cycling between an inactive (GDP-bound) and active (GTP-bound) form. When bound to GTP, it is switched "on" and activates intracellular signaling pathways, critical for cell proliferation and angiogenesis. Mutated RAS is constitutively activated and persistently turned "on" thereby enhancing downstream signaling and leading to tumorigenesis. Various attempts to inhibit Kras in the past were unsuccessful. Recently, several small molecules (AMG510, MRTX849, JNJ-74699157, and LY3499446) have been developed to specifically target K-RAS G12C. Additionally, various other approaches including, SHP2, SOS1 and eIF4 inhibition, have been utilized to abrogate tumor growth in K-RAS mutant cells, resulting in a renewed interest in this pathway. In this review article, we provide an overview on the role of K-RAS in tumorigenesis, past approaches to inhibiting Kras, and current and future prospects for targeting Kras.

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Crossref · 10.1016/j.ctrv.2020.102070

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Authors
Uprety, D., & Adjei, A. A.
Affiliations
Mayo Clinic (US)
Corresponding author
Adjei, Alex A.
Venue
Cancer Treatment Reviews
Publisher
Elsevier BV
Published
2020-09
Volume
89
Pages
102070
ISSN
0305-7372 (ISSN-L)
OpenAlex
W3042326408
Cited by
271
References
204
Citations by year
2026: 23 · 2025: 46 · 2024: 64 · 2023: 49 · 2022: 50 · 2021: 38 · 2020: 1
FWCI
3.33
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Treatment Reviews (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
Keywords
KRAS, oncogenic Ras, sotorasib, adagrasib, SHP2 inhibition, SOS1 inhibition, carcinogenesis, Ras signaling
MeSH terms
Animals, Humans, Mutation, Neoplasms, Signal Transduction, Proto-Oncogene Proteins p21(ras), Molecular Targeted Therapy

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