News tagged with dna mutation


Experts urge caution over use of new genetic sequencing techniques

The use of genome-wide analysis (GWA), where the entirety of an individual's DNA is examined to look for the genomic mutations or variants which can cause health problems is a massively useful technology for diagnosing disease. ...

Genetics created May 16, 2013 | popularity not rated yet | comments 0

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

Geneticists find causes for severe childhood epilepsies

(Medical Xpress)—Using a state-of-the-art DNA sequencing technique, UA researchers have discovered genetic mutations underlying seizure disorders in previously undiagnosed children.

Neuroscience created May 07, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Wip1 could be new target for cancer treatment

Researchers have uncovered mutations in the phosphatase Wip1 that enable cancer cells to foil the tumor suppressor p53, according to a study in The Journal of Cell Biology. The results could provide a new ...

Cancer created May 06, 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

Science surprise: Toxic protein made in unusual way may explain brain disorder

A bizarre twist on the usual way proteins are made may explain mysterious symptoms in the grandparents of some children with mental disabilities.

Neuroscience created Apr 18, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Ten years on, still much to be learned from human genome map

(HealthDay)—As scientists mark the 10th anniversary Sunday of the completion of the Human Genome Project, they will note how that watershed effort has led to the discovery of the genetic underpinnings of ...

Genetics created Apr 12, 2013 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Deciphering the cellular reading system of DNA methylation

(Medical Xpress)—Scientists from the FMI identify how a family of proteins reads the methylation marks on the DNA so critical for cell development. These MBD proteins bind directly to methylation marks ...

Genetics created Apr 12, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Some patients with incurable tumors and BRCA mutations respond to new two-drug combination

A novel combination of two drugs has shown anti-cancer activity in patients who had incurable solid tumors and carried a germline mutation in their BRCA genes, Dana-Farber Cancer Institute researchers are reporting at the ...

Cancer created Apr 07, 2013 | popularity 5 / 5 (1) | comments 0

Blood tests can provide fuller picture of mutations in cancer than traditional biopsies do

A new blood test revealed more of the gene mutations that sustain certain digestive-tract tumors than did a DNA analysis of a traditional tumor biopsy, Dana-Farber Cancer Institute investigators will report at a special symposium ...

Cancer created Apr 07, 2013 | popularity not rated yet | comments 0

New DNA sequences hone in on breast, ovarian cancer risk

Researchers at Mayo Clinic Cancer Center have identified new DNA sequences associated with breast cancer—the most common cancer among women, with an average risk of developing the disease of 10 percent—and ovarian cancer, ...

Cancer created Mar 27, 2013 | popularity 5 / 5 (1) | comments 0

Novel gene drives development of different types of ovarian cancer

Researchers at Mayo Clinic Cancer Center have identified a novel gene that can contribute to a woman's susceptibility for developing ovarian cancer. Researchers identified the gene, called HNF1B, through large-scale analysis ...

Cancer created Mar 27, 2013 | popularity not rated yet | comments 0

New technology is key to better epilepsy treatment

(Medical Xpress)—University of Adelaide scientists are making a major impact on the understanding and diagnosis of epilepsy, which will lead to individualised treatments for sufferers.

Neuroscience created Mar 22, 2013 | popularity not rated yet | comments 0

Researchers link cancer to failures in chromosome protection for the first time

A study published today in the journal Nature Genetics explores a new mechanism that may contribute to the development of several tumours, including Chronic Lymphocytic Leukaemia, a type of cancer that affects more than a ...

Genetics created Mar 19, 2013 | popularity not rated yet | comments 0