Interaction between RAS gene and lipid metabolism in cancer

Mingquan Zhang1, Junchen Pan1, Peng Huang1

  • 1Cancer Center,Sun Yat-Sen University,Guangzhou 510060,China.

Insights

This study explores how gene mutations drive cancer by altering lipid metabolism. Targeting these metabolic changes offers a promising strategy for treating gene-driven tumors.

Area of Science:

  • Oncology and Molecular Biology
  • Cancer Metabolism Research

Background:

  • The gene is frequently mutated and activated in various cancers, contributing to tumor development.
  • Malignant tumors exhibit metabolic reprogramming, presenting a key target for anti-cancer therapies.

Purpose of the Study:

  • To review the interplay between lipid metabolism and the gene in cancer.
  • To offer insights into therapeutic strategies targeting lipid metabolism for gene-driven cancers.

Main Methods:

  • Literature review of current research on gene, lipid metabolism, and cancer signaling pathways.
  • Analysis of the gene's role in regulating lipid synthesis and degradation.
  • Examination of how lipid metabolism influences RAS protein activation.

Main Results:

  • The gene regulates lipid metabolism via the AKT-mTORC1 pathway and other routes.
  • Lipid metabolism can modulate RAS protein activity and downstream signaling.
  • Dysregulated lipid metabolism is a hallmark of cancer driven by the gene.

Conclusions:

  • Understanding the gene-lipid metabolism interaction is crucial for developing targeted cancer therapies.
  • Modulating lipid metabolism presents a viable therapeutic avenue for gene-driven malignancies.

Related Concept Videos

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...
6.6K
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:
4.5K
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
4.0K
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.8K
Overview of Lipid Metabolism01:24

Overview of Lipid Metabolism

Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
3.4K
Cancer-Critical Genes I: Proto-oncogenes01:33

Cancer-Critical Genes I: Proto-oncogenes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
9.5K