Related Experiment Video
Updated: Nov 2, 2025
07:20
Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
Published on: January 31, 2025
779
Cholesterol metabolism and tumor
Ying Meng1, Qifei Wang1, Zhimin Lyu1
1Institute of Translational Medicine，Zhejiang University School of Medicine，Hangzhou 310029，China.
Summary
Cholesterol metabolism is vital for cell function. Dysregulated cholesterol contributes to cancer development, suggesting targeting cholesterol pathways offers new cancer treatment strategies.
Area of Science:
- Biochemistry
- Oncology
- Cell Biology
Background:
- Cholesterol is an essential lipid for mammalian cell membranes and overall body function.
- Maintaining cholesterol homeostasis, through balanced biosynthesis and uptake, is crucial for cellular activities.
- Aberrant cholesterol metabolism is linked to tumor progression, including proliferation, survival, invasion, and metastasis.
Purpose of the Study:
- To review the regulation of cholesterol homeostasis.
- To explore the role of cholesterol metabolism in cancer occurrence and development.
- To summarize current metabolism-targeted cancer treatments.
Main Methods:
- Literature review of cholesterol homeostasis mechanisms.
- Analysis of studies linking cholesterol metabolism to cancer.
- Compilation of data on current anti-cancer therapies targeting metabolism.
Main Results:
- Cholesterol homeostasis is tightly regulated by biosynthesis and exogenous uptake.
- Disrupted cholesterol metabolism significantly promotes various stages of cancer progression.
- Targeting cholesterol pathways presents a promising avenue for novel cancer therapies.
Conclusions:
- Cholesterol homeostasis is critical for preventing and treating cancer.
- Metabolism-targeted therapies focusing on cholesterol hold potential for cancer treatment.
- Further research into cholesterol's role in oncology is warranted.
Related Concept Videos
01:29Cholesterol: Significance and Regulation
903
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
903
02:17The Tumor Microenvironment
7.1K
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...
7.1K
02:07Tumor Progression
6.7K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.7K
02:53Adaptive Mechanisms in Cancer Cells
6.1K
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,...
6.1K
02:40Cancer Stem Cells and Tumor Maintenance
5.2K
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
5.2K
02:23Abnormal Proliferation
4.8K
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