Related Experiment Video
Updated: Jan 20, 2026
07:29
Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies
Published on: June 20, 2015
20.1K
p21 in Cancer Research.
1Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA. bahar.shamloo@hci.utah.edu.
Cancers
|August 17, 2019
Summary
The protein p21, a cell cycle inhibitor, has dual roles in cancer. Targeting p21 offers potential for novel cancer therapies by modulating its function and subcellular localization.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- p21 is a key cell cycle inhibitor and anti-proliferative factor in normal cells.
- Its function is often dysregulated in various cancers.
- While known for tumor suppression, p21's role in cancer is complex, involving phenotypic plasticity and apoptosis regulation.
Purpose of the Study:
- To review the multifaceted roles of p21 in cancer.
- To explore how p21's subcellular localization and p53 status influence its oncogenic or anti-apoptotic functions.
- To highlight the therapeutic potential of targeting p21 in cancer treatment.
Main Methods:
- Review of basic science and translational studies.
- Analysis of research utilizing precision gene editing to manipulate p21 and interacting proteins.
- Examination of findings related to p21 regulation, function, and drug sensitivity.
Main Results:
- p21 exhibits context-dependent functions in cancer, acting as both a tumor suppressor and an oncogene.
- Subcellular localization and p53 status are critical determinants of p21's activity.
- Targeting p21 has yielded insights into cancer regulation and drug sensitivity.
Conclusions:
- Understanding the complex roles of p21 is crucial for developing effective cancer therapies.
- Targeting p21, considering its localization and p53 status, presents a promising avenue for novel therapeutic strategies.
- Further research into p21 manipulation could lead to significant advancements in cancer treatment.
Related Concept Videos
02:18Cancer
53.6K
Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
53.6K
02:12What is Cancer?
14.0K
Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
14.0K
02:59Cancer Prevention
7.7K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
7.7K
02:49Cancer Therapies
9.9K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
9.9K
01:30Cancer Vaccines
978
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
978
01:30Skin Cancer
5.7K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
5.7K