RAS: target for cancer therapy

Nandita Saxena1, Sitanshu Sekhar Lahiri, Shashank Hambarde

  • 1Department of Radiation Biology and Radioprotectors, Institute of Nuclear Medicine and Allied Sciences, Delhi, India.

Cancer Investigation
|September 18, 2008
PubMed

Insights

RAS proteins are crucial for cell growth and cancer development. Targeting RAS through various inhibitors shows promise as an effective anticancer therapy, with several agents progressing in clinical trials.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • RAS proteins are key regulators of cell signaling pathways involved in cell growth, proliferation, and differentiation.
  • Aberrant RAS signaling, often due to activating mutations found in ~30% of human cancers, drives malignant transformation and tumor maintenance.
  • RAS proteins are therefore considered a critical target for novel anticancer therapies.

Purpose of the Study:

  • To review the current therapeutic strategies targeting RAS proteins for cancer treatment.
  • To discuss the different classes of anti-RAS agents currently under clinical evaluation.
  • To highlight the potential and future directions for RAS-targeted anticancer drug development.

Main Methods:

  • Review of existing literature on RAS signaling and targeted therapies.
  • Analysis of pharmacologic inhibitors targeting different aspects of RAS pathway.
  • Evaluation of clinical trial data for anti-RAS agents.

Main Results:

  • Activating RAS mutations are prevalent in human cancers, underscoring RAS as a viable therapeutic target.
  • Multiple anti-RAS strategies are in clinical development, including inhibitors of membrane association, downstream signaling, upstream pathways, and RAS expression.
  • Several novel therapeutic agents targeting RAS are demonstrating promising clinical outcomes.

Conclusions:

  • Targeting RAS represents a significant and evolving strategy in cancer therapy.
  • The diverse range of anti-RAS agents offers multiple avenues for intervention in various cancer types.
  • Continued research and clinical evaluation of these agents hold substantial hope for improved cancer treatment outcomes.

Related Concept Videos

Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Treatment Resistent Cancers02:56

Treatment Resistent Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase01:11

Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase

Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...