News tagged with environmental factors

Mapping reveals 110 multiple sclerosis risk genes

Norwegian researchers have mapped genetic variations associated with an increased risk of multiple sclerosis (MS) and myasthenia gravis (MG), bringing science one step closer to understanding these serious ...

Jan 09, 2014
popularity 5 / 5 (3) | comments 0 | with audio podcast

Jumping DNA in the brain may be a cause of schizophrenia

Stretches of DNA called retrotransposons, often dubbed "junk DNA", might play an important role in schizophrenia. In a study published today in the journal Neuron, a Japanese team revealed that LINE-1 retrotransposons are ab ...

Jan 02, 2014
popularity 3.8 / 5 (5) | comments 1

Aging impacts epigenome in human skeletal muscle

Our epigenome is a set of chemical switches that turn parts of our genome off and on at strategic times and locations. These switches help alter the way our cells act and are impacted by environmental factors including diet, ...

Nov 20, 2013
popularity 4.5 / 5 (2) | comments 0

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