Computer-Aided Drug Design Boosts RAS Inhibitor Discovery

Ge Wang1,2, Yuhao Bai1,2, Jiarui Cui1,2

  • 1Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.

Insights

Targeting the Rat Sarcoma (RAS) family, crucial in cancer development, is challenging. This review explores how computer-aided drug design (CADD) offers solutions for developing effective RAS-targeted cancer therapies.

Area of Science:

  • Oncology
  • Pharmacology
  • Computational Biology

Background:

  • The Rat Sarcoma (RAS) family proteins (NRAS, HRAS, KRAS) are key regulators of cellular signaling pathways.
  • Mutations in RAS proto-oncogenes drive uncontrolled cell growth, contributing to various human cancers.
  • Developing specific RAS-targeted drugs is crucial but hindered by protein structural complexity and pathway-related toxicities.

Purpose of the Study:

  • To review the application of computer-aided drug design (CADD) methods for developing RAS-targeted therapies.
  • To highlight CADD's potential in overcoming challenges in RAS inhibitor discovery.

Main Methods:

  • Overview of RAS protein features and historical inhibitor discovery efforts.
  • Exploration of mainstream computer-aided drug design (CADD) methodologies.
  • Analysis of CADD's role in identifying novel targets and accelerating drug discovery for RAS-driven cancers.

Main Results:

  • RAS proteins present significant challenges for direct inhibitor development due to their structure.
  • Targeting downstream effectors of the RAS pathway often results in undesirable tissue toxicities.
  • CADD offers a promising approach to overcome these limitations in RAS-targeted drug design.

Conclusions:

  • Computer-aided drug design (CADD) is a valuable interdisciplinary approach for advancing RAS-targeted cancer drug discovery.
  • CADD facilitates the identification of novel therapeutic strategies and accelerates the development of more specific and effective anti-cancer drugs.

Related Concept Videos

Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
993
The Ras Gene02:38

The Ras Gene

The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
Ras is a...
6.4K
Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
8.5K
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
12.7K
Small GTPases - Ras and Rho01:24

Small GTPases - Ras and Rho

Ras and Rho are small monomeric GTPases that act downstream of receptor tyrosine kinase (RTK) and regulate various cellular processes. These GTPases switch between active and inactive states by binding to guanine nucleotides.
Three regulatory proteins control their activity:
4.1K