News tagged with human genetics

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
popularity 2 / 5 (2) | comments 1 | with audio podcast

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
popularity not rated yet | comments 0 | with audio podcast

NIH launches first phase of microbiome cloud project

The National Institutes of Health (NIH) has launched the first phase of the Microbiome Cloud Project (MCP), a collaboration with Amazon Web Services that aims to improve access to and analysis of data from the Human Microbiome P ...

Sep 26, 2013
popularity not rated yet | comments 0

A genetic map for complex diseases

Although heavily studied, the specific genetic causes of "complex diseases," a category of disorders which includes autism, diabetes and heart disease, are largely unknown due to byzantine genetic and environmental ...

Sep 26, 2013
popularity 5 / 5 (4) | comments 0 | with audio podcast

Cancer: Lymphoma-linked risk factor identified

Follicular lymphoma is often caused by a translocation between chromosomes 14 and 18, resulting in the overexpression of a cancer-causing gene called BCL-2. A research team co-led by A*STAR scientists recently ...

Sep 25, 2013
popularity not rated yet | comments 0

Getting rid of unwanted visitors

Gut-dwelling bacteria are attracting increasing attention, particularly those associated with human diseases. Helicobacter pylori is found in the stomach of humans, where it may cause chronic gastritis and ...

Sep 20, 2013
popularity not rated yet | comments 0

Memory-related brain network shrinks with aging

Brain regions associated with memory shrink as adults age, and this size decrease is more pronounced in those who go on to develop neurodegenerative disease, reports a new study published Sept. 18 in the ...

Sep 20, 2013
popularity 4.7 / 5 (7) | comments 0 | with audio podcast

Lifestyle influences metabolism via DNA methylation

An unhealthy lifestyle leaves traces in the DNA. These may have specific effects on metabolism, causing organ damage or disease. Scientists of Helmholtz Zentrum München have now identified 28 DNA alterations associated with ...

Sep 20, 2013
popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Researchers tease apart workings of a common gene

Researchers at Weill Cornell Medical College have discovered why a tiny alteration in a brain gene, found in 20 percent of the population, contributes to the risk for anxiety, depression and memory loss.

Sep 19, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast