Related Experiment Video
Updated: Jul 2, 2026

10:26
Assessment of Mitochondrial Health in Cancer-Associated Fibroblasts Isolated from 3D Multicellular Lung Tumor Spheroids
Published on: October 21, 2022
Fatty acid synthase activity in tumor cells
Joy L Little1, Steven J Kridel
1Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest University of Medicine, Winston-Salem, NC 27157, USA.
Sub-Cellular Biochemistry
|August 30, 2008
Summary
Cancer cells exhibit increased fatty acid synthase (FASN) for proliferation. Inhibiting FASN offers a promising anti-tumor strategy by targeting tumor cell growth and survival.
Area of Science:
- Biochemistry
- Cancer Biology
- Metabolic Regulation
Background:
- Normal tissues regulate metabolism, including glycolysis and fatty acid synthesis.
- Tumor cells bypass normal metabolic checks due to high energy demands from proliferation.
- Cancer cells often display elevated lipogenesis, the process of synthesizing fatty acids.
Purpose of the Study:
- To investigate the role of Fatty Acid Synthase (FASN) in tumor cell growth.
- To explore the potential of FASN as a therapeutic target for cancer treatment.
- To understand the contribution of FASN to tumor cell proliferation, growth, and survival.
Main Methods:
- Analysis of FASN expression levels in tumor versus normal tissues.
- Pharmacological inhibition of FASN activity.
- Assessment of the effects of FASN blockade on tumor cell proliferation, growth, and survival.
Main Results:
- Fatty Acid Synthase (FASN) is highly expressed in tumor cells but absent in normal cells.
- Pharmacological blockade of FASN demonstrates its crucial role in tumor cell proliferation and survival.
- FASN inhibition reveals a pleiotropic effect on cancer cell growth and viability.
Conclusions:
- FASN is a key enzyme in tumor cell metabolism, uniquely upregulated in cancer.
- Targeting FASN represents a viable anti-tumor strategy due to its critical role in cancer cell proliferation and survival.
- Further research into FASN inhibitors holds promise for novel cancer therapeutics.
Related Concept Videos
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...
The mTOR pathway or the...
Adaptive Mechanisms in Cancer Cells
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
The Tumor Microenvironment
Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
Overview of Fatty Acid Metabolism
Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
