Science

Epigenetic processes orchestrate neuronal migration

(Medical Xpress)—Neurobiologists at the Friedrich Miescher Institute for Biomedical Research (FMI) are the first to show that directional migration of neurons during brain development is controlled through ...

Neuroscience created Jan 11, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Model for brain signaling flawed, new study finds

A new study out today in the journal Science turns two decades of understanding about how brain cells communicate on its head. The study demonstrates that the tripartite synapse – a model long accepted by the ...

Neuroscience created Jan 10, 2013 | popularity 4.5 / 5 (14) | comments 11 | with audio podcast

One cell is all you need: Innovative technique can sequence entire genome from single cell

The notion that police can identify a suspect based on the tiniest drop of blood or trace of tissue has long been a staple of TV dramas, but scientists at Harvard have taken the idea a step further. Using ...

Genetics created Jan 07, 2013 | popularity 5 / 5 (7) | comments 0 | with audio podcast

People underestimate how much they might change in the future

(HealthDay)—Think you're done becoming you? Think again. A new study suggests that while adults like to believe that their opinions and perspectives are pretty much set in stone, no matter their age, their ...

Psychology & Psychiatry created Jan 03, 2013 | popularity 3.4 / 5 (12) | comments 2 | with audio podcast

Face the facts: Neural integration transforms unconscious face detection into conscious face perception

(Medical Xpress)—The apparent ease and immediacy of human perception is deceptive, requiring highly complex neural operations to determine the category of objects in a visual scene. Nevertheless, the human ...

Neuroscience created Dec 31, 2012 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast feature

Scientists find mechanism that triggers immune responses to DNA

(Medical Xpress)—Free-floating pieces of DNA in a cell's watery interior can mean bad things: invading viruses, bacteria, or parasites, ruptured cellular membranes, or disease. Genetic material is meant to be contained ...

Medical research created Dec 21, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Protein kinase Akt identified as arbiter of cancer stem cell fate, paper reports

(Medical Xpress)—The protein kinase Akt is a key regulator of cell growth, proliferation, metabolism, survival, and death. New work on Akt's role in cancer stem cell biology from the lab of senior author ...

Cancer created Dec 20, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

What mechanism generates our fingers and toes?

Dr. Marie Kmita and her research team at the IRCM contributed to a multidisciplinary research project that identified the mechanism responsible for generating our fingers and toes, and revealed the importance of gene regulation ...

Genetics created Dec 14, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Researchers find new culprit in castration-resistant prostate cancer

Scientists at Dana-Farber Cancer Institute have discovered a molecular switch that enables advanced prostate cancers to spread without stimulation by male hormones, which normally are needed to spur the cancer's growth. They ...

Cancer created Dec 13, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists identify a new layer of complexity within colon cancer

Cancer scientists led by Dr. John Dick at the Princess Margaret Cancer Centre have found a way to follow single tumour cells and observe their growth over time. By using special immune-deficient mice to propagate human colorectal ...

Cancer created Dec 13, 2012 | popularity not rated yet | comments 0 | with audio podcast

Study finds protein in platelets fight malaria but only for some people

(Medical Xpress)—Researchers in Australia have found that a protein in platelets found naturally in blood has a protective effect against malaria. In their paper published in the journal Science, the team describes how th ...

Medical research created Dec 07, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast report

New understanding of how we see colors

(Medical Xpress)—Scientists have until now not fully understood how animals see in color, since visual pigments in eyes contain exactly the same chromophore (light absorbing segment of the molecule) and yet can absorb different ...

Medical research created Dec 07, 2012 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast report

Mouse study offers clues to obesity-diabetes link

(HealthDay)—Obesity and type 2 diabetes are clearly intertwined, but researchers say they've found a way to weaken the connection between the two—at least in mice.

Medical research created Dec 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists discover novel mechanism by which calorie restriction influences longevity

Scientists at the Gladstone Institutes have identified a novel mechanism by which a type of low-carb, low-calorie diet—called a "ketogenic diet"—could delay the effects of aging. This fundamental discovery reveals how ...

Medical research created Dec 06, 2012 | popularity 5 / 5 (10) | comments 1 | with audio podcast

His and hers: Male hormones control differences in mammary gland nerve growth

Johns Hopkins scientists have found a surprising mechanism that gives male sex hormones like testosterone control over the gender-specific absence or presence of mammary gland nerves that sense the amount ...

Medical research created Dec 06, 2012 | popularity 4 / 5 (2) | comments 0 | with audio podcast