News tagged with molecular changes


Competing pathways affect early differentiation of higher brain structures

Sand-dwelling and rock-dwelling cichlids living in East Africa's Lake Malawi share a nearly identical genome, but have very different personalities. The territorial rock-dwellers live in communities where ...

Neuroscience created Apr 26, 2013 | popularity not rated yet | comments 3 | with audio podcast

Previously unknown cell interaction is key in immune system attacks

Most of the time, the immune system is the body's protector, warding off invading viruses and bacteria before they can lead to infection and disease. But in autoimmune diseases, the immune system does an about face, turning ...

Medical research created Oct 02, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Genetic predictors of postpartum depression uncovered

Johns Hopkins researchers say they have discovered specific chemical alterations in two genes that, when present during pregnancy, reliably predict whether a woman will develop postpartum depression.

Psychology & Psychiatry created May 21, 2013 | popularity not rated yet | comments 0 | with audio podcast

Brain region may hold key to aging

While the search continues for the Fountain of Youth, researchers may have found the body's "fountain of aging": the brain region known as the hypothalamus. For the first time, scientists at Albert Einstein ...

Neuroscience created May 01, 2013 | popularity 4.8 / 5 (21) | comments 8 | with audio podcast

Epigenetic changes shed light on biological mechanism of autism

Scientists from King's College London have identified patterns of epigenetic changes involved in autism spectrum disorder (ASD) by studying genetically identical twins who differ in autism traits. The study, published in ...

Autism spectrum disorders created Apr 23, 2013 | popularity 3 / 5 (1) | comments 1 | with audio podcast

Autism linked to increased genetic change in regions of genome instability

(Medical Xpress)—Children with autism have increased levels of genetic change in regions of the genome prone to DNA rearrangements, so called "hotspots," according to a research discovery to be published ...

Autism spectrum disorders created Apr 03, 2013 | popularity 3.6 / 5 (5) | comments 0 | with audio podcast

Scientists identify brain's 'molecular memory switch'

Scientists have identified a key molecule responsible for triggering the chemical processes in our brain linked to our formation of memories. The findings, published in the journal Frontiers in Neural Circuits, reveal ...

Neuroscience created Mar 28, 2013 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Colon cancer exhibits a corresponding epigenetic pattern in mice and humans

Tumourigenesis is driven by genetic alterations and by changes in the epigenome, for instance by the addition of methyl groups to cytosine bases in the DNA. A deeper understanding of the interaction between ...

Genetics created Feb 07, 2013 | popularity not rated yet | comments 0 | with audio podcast

Translation error tracked in the brain of dementia patients

In certain dementias silent areas of the genetic code are translated into highly unusual proteins by mistake. An international team of scientists including researchers from the German Center for Neurodegenerative ...

Neuroscience created Feb 07, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Study points to possible cause of, and treatment for, non-familial Parkinson's

Columbia University Medical Center (CUMC) researchers have identified a protein trafficking defect within brain cells that may underlie common non-familial forms of Parkinson's disease. The defect is at a point of convergence ...

Parkinson's & Movement disorders created Feb 06, 2013 | popularity not rated yet | comments 0 | with audio podcast

Scientists find regulator linking exercise to bigger, stronger muscles

Scientists at Dana-Farber Cancer Institute have isolated a previously unknown protein in muscles that spurs their growth and increased power following resistance exercise. They suggest that artificially raising the protein's ...

Medical research created Dec 06, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Discovery of molecular pathway of Alzheimer's disease reveals new drug targets

The discovery of the molecular pathway that drives the changes seen in the brains of Alzheimer's patients is reported today, revealing new targets for drug discovery that could be exploited to combat the disease. The study ...

Alzheimer's disease & dementia created Nov 20, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Rare genetic disorder points to molecules that may play role in schizophrenia

Scientists studying a rare genetic disorder have identified a molecular pathway that may play a role in schizophrenia, according to new research in the October 10 issue of The Journal of Neuroscience. The findings may on ...

Genetics created Oct 09, 2012 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

BPA's real threat may be after it has metabolized

Bisphenol A or BPA is a synthetic chemical widely used in the making of plastic products ranging from bottles and food can linings to toys and water supply lines. When these plastics degrade, BPA is released ...

Health created Oct 04, 2012 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Tension on gut muscles induces cell invasion in zebrafish intestine, mimicking cancer metastasis

The stiffness of breast tissue is increasingly recognized as an important factor explaining the onset of breast cancer. Stiffening induces molecular changes that promote cancerous behavior in cells. Bioengineering ...

Cancer created Sep 07, 2012 | popularity 4 / 5 (5) | comments 0 | with audio podcast