Genetic marker
hideA genetic marker is a gene or DNA sequence with a known location on a chromosome and associated with a particular gene or trait. It can be described as a variation, which may arise due to mutation or alteration in the genomic loci, that can be observed. A genetic marker may be a short DNA sequence, such as a sequence surrounding a single base-pair change (single nucleotide polymorphism, SNP), or a long one, like minisatellites.
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News tagged with genetic markers
Genetic study clarifies African and African-American ancestry
Dec 21, 2009 |
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People who identify as African-American may be as little as 1 percent West African or as much as 99 percent, just one finding of a large-scale, genome-wide study of African and African-American ancestry released ...
Scientists identify new gene linked to autism risk, especially in boys
Medicine & Health / Psychology & Psychiatry
May 19, 2009 |
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(PhysOrg.com) -- UCLA scientists have discovered a variant of a gene called CACNA1G that may increase a child's risk of developing autism, particularly in boys. The journal Molecular Psychiatry publishes the findings in its ...
New genetic markers for ulcerative colitis identified
Jan 04, 2009 |
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An international team led by University of Pittsburgh School of Medicine researchers has identified genetic markers associated with risk for ulcerative colitis. The findings, which appear today as an advance online publication ...
Identification of genetic markers for ulcerative colitis could lead to treatment
Jan 08, 2009 |
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An international consortium of researchers, including major contribution from a team led by Dr. John D. Rioux, a professor of medicine at the Université de Montréal and the Montreal Heart Institute, has identified ...
Shape-shifting coral evade identification
Biology /
Feb 24, 2009 |
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The evolutionary tendency of corals to alter their skeletal structure makes it difficult to assign them to different species. Researchers writing in the open access journal BMC Evolutionary Biology have used genetic marker ...
Swine flu genes dissimilar to past pandemics
May 06, 2009 |
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Some genetic markers of influenza infection severity have been identified from past outbreaks. Researchers have failed to find most of these markers, described in the open access journal BMC Microbiology, in samples of the ...
Eating fish, nuts and olive oil may be associated with reduced risk of age-related blindness
May 11, 2009 |
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Regularly eating fish, nuts, olive oil and other foods containing omega-three fatty acids and avoiding trans fats appears to be associated with a lower risk for the eye disease age-related macular degeneration, according ...
New study replicates association between genetic variation and antidepressant treatment response
Jul 15, 2008 |
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Pharmacogenetics, the study of genetic variation that influences an individual's response to drugs, is an important and growing focus in all of medical research, including psychiatry. It is a complex field, however, revealed ...
Genetic risk factors may tailor prostate cancer screening approaches
Nov 17, 2008 |
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Men with a family history of prostate cancer and African-American men are particularly susceptible to the disease, with a twofold to sevenfold increased risk. Assessing risk in these populations has been difficult.
PSA levels accurately predict prostate cancer risk in African-American men
Feb 24, 2009 |
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PSA levels appear to be more predictive of three year prostate cancer risk in African-American men compared with Caucasian men with a family history of prostate cancer, according to a paper published in Cancer Prevention Re ...
Newly identified genetic variants found to increase breast cancer risk
Mar 30, 2009 |
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(PhysOrg.com) -- A large-scale effort to identify genetic markers of breast cancer has uncovered two common genetic variants that increase risk of the disease in women of European ancestry.
New strategy developed to diagnose melanoma
Mar 30, 2009 |
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A UCSF research team has developed a technique to distinguish benign moles from malignant melanomas by measuring differences in levels of genetic markers. Standard microscopic examinations of biopsied tissue can be ambiguous ...
Beyond associations: Colorectal cancer culprit found
Apr 23, 2009 |
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Genetics plays a key role in determining risk for colorectal cancer, the second leading cause of cancer-related deaths in the United States. Several common genetic markers have been found to be associated with the disease, ...
