News tagged with p53 gene
Novel compound selectively kills cancer cells
A cancer cell may seem out of control, growing wildly and breaking all the rules of orderly cell life and death. But amid the seeming chaos there is a balance between a cancer cell's revved-up metabolism and skyrocketing ...
Jul 13, 2011 |
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Chromosome's Guardians Susceptible to UV Radiation, Scientists Find
(PhysOrg.com) -- The molecular caps at the ends of chromosomes that protect humans against cancer and premature cellular aging show a surprising inability to protect themselves against ultraviolet radiation, ...
Apr 30, 2010 |
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Newly discovered gene plays vital role in cancer
(PhysOrg.com) -- Gene p53 protects against cancer and is usually described as the most important gene in cancer research. However, scientists at the Swedish medical university Karolinska Institutet have now shown that a previously ...
Feb 27, 2009 |
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Why cancer drugs lose their power: Platinum-based cancer drugs destroy tumor cells by binding to DNA strands
(PhysOrg.com) -- For 30 years, the chemotherapy drug cisplatin has been one of doctors' first lines of defense against tumors, especially those of the lung, ovary and testes. While cisplatin is often effective ...
Apr 14, 2010 |
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Researchers identify potential molecular target to prevent growth of cancer cells
Researchers have shown for the first time that the protein fortilin promotes growth of cancer cells by binding to and rendering inert protein p53, a known tumor suppressor. This finding by researchers at the University of ...
Sep 16, 2011 |
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Toward new drugs that turn genes on and off
Scientists in Michigan and California are reporting an advance toward development of a new generation of drugs that treat disease by orchestrating how genes in the body produce proteins involved in arthritis, ...
Jun 04, 2009 |
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Use the common cold virus to target and disrupt cancer cells?
A novel mechanism used by adenovirus to sidestep the cell's suicide program, could go a long way to explain how tumor suppressor genes are silenced in tumor cells and pave the way for a new type of targeted ...
Aug 25, 2010 |
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Researchers find a weak link in cancer cell armor
(PhysOrg.com) -- Professor Robert Weiss has found that when two particular genes are inhibited, cancer cells are destroyed at a greater rate. The study is published in the Nov. 9 issue of PNAS.
Nov 11, 2009 |
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Singapore scientists exploit knowledge of p53 for increasing specificity of cancer treatments
Researchers from the p53 Laboratory of Singapore's Agency for Science, Technology and Research (A*STAR), have made a finding that makes feasible a unique method of cancer treatment. Their work, published online in the leading ...
May 24, 2010 |
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Protein and microRNA block cellular transition vital to metastasis
Like a bounty hunter returning escapees to custody, a cancer-fighting gene converts organ cells that change into highly mobile stem cells back to their original, stationary state, researchers report online at Nature Cell Bi ...
Feb 25, 2011 |
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Fat droplet nanoparticle delivers tumor suppressor gene to tumor and metastatic cells
Dr. Esther Chang describes the most recent developments in human trials of the first systemic, non-viral, tumor-targeted, nanoparticle method designed to restore normal gene function to tumor cells while completely bypassing ...
Nanotechnology / Bio & Medicine
Apr 20, 2009 |
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Protein is linked to lung cancer development
(PhysOrg.com) -- A protein that normally helps defend cells from infection can play a critical role in the development of lung cancer, according to MIT cancer biologists.
Oct 22, 2009 |
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Loss of 'guardian angel' gene prompts premature birth
Mutation of a gene that helps protect the body from genetic instability leads to cellular and molecular changes in the pregnant uterus that trigger premature birth, according to a study appearing online Feb. ...
Feb 01, 2010 |
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Scientists define molecular on-off switches for cancer and autoimmunity
A new report published in the October 2010 print issue of The FASEB Journal offers a ray of hope in the search for new cancer drugs. By examining the seemingly conflicting roles of how oncogenes and tumor suppressor genes ...
Sep 30, 2010 |
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Researchers find new role for cancer protein p53
The gene for the protein p53 is the most frequently mutated in human cancer. It encodes a tumor suppressor, and traditionally researchers have assumed that it acts primarily as a regulator of how genes are ...
Mar 02, 2011 |
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P53
More reference expression data
p53 (also known as protein 53 or tumor protein 53), is a transcription factor which in humans is encoded by the TP53 gene. p53 is important in multicellular organisms, where it regulates the cell cycle and thus functions as a tumor suppressor that is involved in preventing cancer. As such, p53 has been described as "the guardian of the genome," "the guardian angel gene," and the "master watchman," referring to its role in conserving stability by preventing genome mutation.
The name p53 is in reference to its apparent molecular mass: it runs as a 53 kilodalton (kDa) protein on SDS-PAGE. But based on calculations from its amino acid residues, p53's mass is actually only 43.7kDa. This difference is due to the high number of proline residues in the protein which slow its migration on SDS-PAGE, thus making it appear heavier than it actually is. This effect is observed with p53 from a variety of species, including humans, rodents, frogs, and fish.
For more information about P53, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
