News tagged with dna repair genes


What is BRCA1?

Actress Angelina Jolie has today written an op-ed in the New York Times explaining that she has opted to have a double mastectomy because she carries the hereditary BRCA1 gene, which she says increases her risk o ...

Cancer created May 15, 2013 | popularity 5 / 5 (1) | comments 2

Study IDs key protein for cell death, offers way to kill cancer cells by forcing them into programmed-death pathway

When cells suffer too much DNA damage, they are usually forced to undergo programmed cell death, or apoptosis. However, cancer cells often ignore these signals, flourishing even after chemotherapy drugs have ...

Genetics created May 14, 2013 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Study shows potential new way to detect colorectal and other cancers

A unique new study led by University of Kentucky Markey Cancer Center researchers Guo-Min Li and Libya Gu, in collaboration with Dr. Wei Yang at National Institutes of Health, reveals a novel mechanism explaining the previously ...

Cancer created Apr 25, 2013 | popularity not rated yet | comments 0

Gene controls three different diseases

An international research consortium led by the Universitat Autònoma de Barcelona (UAB), the CIBERER and the University of Wurzburg (Germany) has discovered a gene that can cause three totally different diseases, depending ...

Genetics created Apr 25, 2013 | popularity not rated yet | comments 0

Deficiency in p53 anti-tumor protein delays DNA repair after radiation

Researchers at Moffitt Cancer Center have found that a deficiency in an important anti-tumor protein, p53, can slow or delay DNA repair after radiation treatment. They suggest that this is because p53 regulates the expression ...

Cancer created Apr 23, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Researchers abuzz over caffeine as cancer-cell killer

(Medical Xpress)—Researchers from the University of Alberta are abuzz after using fruit flies to find new ways of taking advantage of caffeine's lethal effects on cancer cells—results that could one day ...

Cancer created Apr 18, 2013 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

Excess estrogen in pregnancy can silence BRCA1 in daughters, increasing breast cancer risk

Excess estrogen levels during pregnancy can disable, in their daughters, a powerful breast cancer tumor suppressor gene, say researchers at Georgetown Lombardi Comprehensive Cancer Center. They found the DNA repair gene BRCA1 ...

Cancer created Apr 09, 2013 | popularity not rated yet | comments 0

Researchers identify variations in four genes associated with an increased risk of colorectal cancer

An international research team co-led by cancer prevention researcher Ulrike "Riki" Peters, Ph.D., M.P.H., and biostatistician Hsu Li, Ph.D., at Fred Hutchinson Cancer Research Center has identified variations in four genes ...

Cancer created Feb 20, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

A scanner for hereditary defects

Our genetic material is constantly exposed to damage, which the body's own proteins normally repair. One of these proteins works like a scanner, continually scouring the genetic material for signs of damage. ...

Genetics created Jan 24, 2013 | popularity 4 / 5 (2) | comments 0 | with audio podcast

Researchers uncover novel role of BRCA1 in regulating the survival of skin stem cells

Our DNA, which stores our genetic information, is constantly exposed to damage. If not properly repaired, DNA damage can lead to cell death. This, in turn, can lead to tissue exhaustion and ageing, or induce mutations resulting ...

Cancer created Jan 03, 2013 | popularity 5 / 5 (1) | comments 0

Scientists discover gene linked to breast and ovarian cancer

(Medical Xpress)—A team of researchers led by the Institute of Cancer Research, London, have found that rare mutations in a gene called PPM1D are linked to an increased risk of breast and ovarian cancer. The mutations are ...

Cancer created Dec 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

A protein's role in helping cells repair DNA damage

(Medical Xpress)—In a new study, University at Buffalo scientists describe the role that a protein called TFIIB plays in helping cells repair DNA damage, a critical function for preventing the growth of tumors.

Medical research created Nov 01, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study identifies strategy for improved screening for type of hereditary colorectal cancer

In a comparison of strategies to identify individuals with Lynch syndrome, the most common form of hereditary colorectal cancer (CRC), caused by mutations in certain genes (DNA mismatch repair [MMR] genes), universal tumor ...

Cancer created Oct 16, 2012 | popularity not rated yet | comments 0

Research could lead to new ways to ID women who have higher risk of breast cancer from low-dose radiation

(Medical Xpress)—Scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have identified tissue mechanisms that may influence a woman's susceptibility or resistance ...

Cancer created Oct 16, 2012 | popularity not rated yet | comments 0 | with audio podcast

Engineered flies spill secret of seizures

In a newly reported set of experiments that show the value of a particularly precise but difficult genetic engineering technique, researchers at Brown University and the University of California–Irvine have created a Drosophila fruit ...

Neuroscience created Oct 11, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast