News tagged with genetic mutations

With population rise, natural laws purge nastiest genes

(Medical Xpress)—As human population grows, disease-causing genetic mutations per individual increase, but each mutation is less harmful, when compared with a population that is not growing, says a Cornell study to be published ...

Oct 03, 2013
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Mutations that matter

(Medical Xpress)—Identifying the genetic source of a specific trait can be a little like finding a needle in a field full of haystacks. University of Dayton biologist Thomas Williams is working to shrink the number of haystacks.

Sep 27, 2013
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Shining light on neurodegenerative pathway

University of Adelaide researchers have identified a likely molecular pathway that causes a group of untreatable neurodegenerative diseases, including Huntington's disease and Lou Gehrig's disease.

Sep 18, 2013
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'Wildly heterogeneous genes'

Cancer tumors almost never share the exact same genetic mutations, a fact that has confounded scientific efforts to better categorize cancer types and develop more targeted, effective treatments.

Sep 15, 2013
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Fate of new genes cannot be predicted

New versions of genes, called alleles, can appear by mutation in populations. Even when these new alleles turn the individuals carrying them more fit to survive and reproduce, the most likely outcome is that ...

Sep 13, 2013
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Researchers uncover genetic cause of childhood leukemia

For the first time, a genetic link specific to risk of childhood leukemia has been identified, according to a team of researchers from Memorial Sloan-Kettering Cancer Center, St. Jude Children's Research Hospital, University ...

Sep 08, 2013
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