Gene Mutation Current Events | Gene Mutation News | 6
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Varying prevalence among ethnic groups of gene mutation that increases risk of breast cancer
Among several U.S. racial/ethnic groups examined, Hispanic women were found to have the highest prevalence of the cancer-associated gene mutation BRCA1 at 3.5 percent, with Asian Americans having the lowest prevalence (0.5 percent), according to a study in the December 26 issue of JAMA. view more (2007-12-26)
Gene elevating breast cancer risk also causes prostate cancer
Cancer is a complex and common disease caused by a combination of both genetic and environmental factors. An inherited predisposition seems to be involved in at least 5-10 per cent of all cases of breast cancer. view more (2007-02-09)
Gene hunters fine-tune marker for common obesity gene
Genomics researchers, seeking to replicate another group's discovery of an important gene associated with obesity, have further refined the signal to a particular variant in DNA that may be more helpful in identifying this gene's role in obesity in various human populations worldwide. view more (2008-03-12)
A new mouse model provides insight into genetic neurological disorders
Neurosensory diseases are difficult to model in mice because their symptoms are complex and diverse. The genetic causes identified are often lethal when transferred to a mouse. view more (2009-05-26)
Team reveals molecular mechanism underlying a form of diabetes
By investigating a rare and severe form of diabetes in children, University of Iowa researchers have discovered a new molecular mechanism that regulates specialized pancreatic cells and insulin secretion. view more (2009-09-09)
Biologists Discover Why 10% Of Europeans Are Safe From HIV Infection
Biologists at the University of Liverpool have discovered how the plagues of the Middle Ages have made around 10% of Europeans resistant to HIV. view more (2005-03-09)
Evolution of symbiosis
The aphid Acyrthosiphon pisum depends on a bacterial symbiont, Buchnera aphidicola, for amino acids it can't get from plants. The aphid, in turn, provides the bacterium with energy and carbon as well as shelter inside specialized cells. view more (2007-04-10)
Identifying cancer genes - will it really lead to better treatment?
Copenhagen, Denmark: A systematic trawl through the human genome looking for the abnormalities that drive cancer is already producing promising results, a scientist told ECCO 12 - The European Cancer Conference in Copenhagen today (Tuesday 23 September). Dr. Michael Stratton, Director of the Cancer Genome Project at the Wellcome Trust Sanger... view more... (2003-09-21)
University of Chicago study overturns conventional theory in evolution
New data suggest that the accumulation of genetic changes is not solely determined by natural selection. A study by University of Chicago researchers contradicts conventional theory by showing that the percentage of mutations accepted in evolution is also strongly swayed by the speed at which new mutations arrive at a gene: the faster the speed of... view more... (2005-06-07)
A single gene makes the chicken a victim
Feather pecking is a common and serious behavioural disorder in laying hens around the world. The chickens peck and pull the feathers of their victims, and this may lead to cannibalism. Now a group of researchers under the lead of Per Jensen, Professor of ethology at Linköping University have shown that the risk of becoming a victim is... view more... (2004-10-04)
Oregon researchers discover a mechanism leading to cleft palate
By creating a genetic mutation in zebrafish, University of Oregon scientists say they've discovered a previously unknown mechanism for cleft palate, a common birth defect in humans that has challenged medical professionals for centuries. view more (2008-02-12)
Ancient DNA reveals that some Neanderthals were redheads
Ancient DNA retrieved from the bones of two Neanderthals suggests that at least some of them had red hair and pale skin, scientists report this week in the journal Science. view more (2007-10-26)
Researchers identify promising gene target for neuroblastoma therapy
Researchers at Dana-Farber Cancer Institute have identified a set of previously unknown mutations in a single gene in 8 percent of neuroblastomas, tumors of the nervous system that occur in young children and account for approximately 15 percent of all childhood cancer deaths. view more (2008-10-16)
Exposure to organic dissolvents may cause carcinogenic mutations
A study led by Universitat Autònoma de Barcelona researchers has shown that exposure to hydrocarbon-based organic dissolvents may provoke mutations in the k-ras oncogen, a gene which facilitates the appearance of tumours when it has mutated. The relationship has been demonstrated in pancreatic cancer patients who had been exposed to the... view more... (2002-02-11)
Presence of gene mutation helps guide thyroid cancer treatment
A specific gene mutation may be useful in predicting the level of aggression of thyroid cancer and help guide treatment options and follow-up care, according to new study findings. view more (2007-09-06)
Gene newly linked to inherited ALS may also play role in common dementia
Scientists at Washington University School of Medicine in St. Louis have linked a mutation in a gene known as TDP-43 to an inherited form of amyotrophic lateral sclerosis (ALS), the neurodegenerative condition often called Lou Gehrig's disease. view more (2008-02-21)
Scientists identify a gene that may suppress colorectal cancer
In today's online edition of Genome Research, a husband-and-wife research team from Thomas Jefferson University report the discovery of a gene that, when mutated, may suppress colorectal cancer. view more (2007-03-22)
Scientists identify gene that may contribute to improved rice yield
A team of scientists, including Penn State Distinguished Professor of Biology Hong Ma, has identified a gene in rice that controls the size and weight of rice grains. view more (2008-09-29)
Ewing's sarcoma : Discovery of a "link" in tumor growth
To develop new therapeutic approaches to cancer, it is essential to understand the long and extremely complex process that underlies it, in other words the various stages of cancer development from the initial mutation to the tumor. Having already identified the alteration that leads to Ewing's sarcoma, a bone cancer which afflicts young people,... view more... (2004-09-23)
A breakthrough in gastric carcinogenesis
Checkpoint with forkhead and ring finger (CHFR) is a mitotic stress checkpoint gene whose promoter is frequently methylated in various kinds of cancer. view more (2009-06-12)
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