Proceedings of the National Academy of Sciences

New immune system discovered

(Medical Xpress)—A research team, led by Jeremy Barr, a biology post-doctoral fellow, unveils a new immune system that protects humans and animals from infection.

Immunology created May 20, 2013 | popularity 4.8 / 5 (30) | comments 9 | with audio podcast

Do salamanders hold the solution to regeneration?

Salamanders' immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their hearts, scientists have ...

Medical research created May 20, 2013 | popularity 4.9 / 5 (7) | comments 5 | with audio podcast

The compound in the Mediterranean diet that makes cancer cells 'mortal'

New research suggests that a compound abundant in the Mediterranean diet takes away cancer cells' "superpower" to escape death. By altering a very specific step in gene regulation, this compound essentially re-educates cancer ...

Cancer created May 20, 2013 | popularity 4.8 / 5 (19) | comments 3 | with audio podcast

If you can remember it, you can remember it wrong

(Medical Xpress)—Native peoples in regions where cameras are uncommon sometimes react with caution when their picture is taken. The fear that something must have been stolen from them to create the photo ...

Neuroscience created May 21, 2013 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast report

B vitamins could delay dementia

(Medical Xpress)—Despite spending billions of dollars on research and development, drug companies have been unable to come up with effective treatments for dementia and Alzheimer's Disease (AD). Now, A. ...

Neuroscience created May 21, 2013 | popularity 4.9 / 5 (18) | comments 0 | with audio podcast report

Scientists identify molecular trigger for Alzheimer's disease

Researchers have pinpointed a catalytic trigger for the onset of Alzheimer's disease – when the fundamental structure of a protein molecule changes to cause a chain reaction that leads to the death of neurons ...

Alzheimer's disease & dementia created May 20, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Medical researchers discover new ways to target, develop and design drugs to prevent and treat viral infection

Researchers at the University of Alberta have discovered a new drug target, developed a new drug and identified a new way to design drugs—all of which could be a winning combination in the battle against viruses.

Medical research created May 22, 2013 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Finding a family for a pair of orphan receptors in the brain

Researchers at Emory University have identified a protein that stimulates a pair of "orphan receptors" found in the brain, solving a long-standing biological puzzle and possibly leading to future treatments for neurological ...

Medical research created May 21, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Anti-CD47 antibody may offer new route to successful cancer vaccination

(Medical Xpress)—Scientists at the School of Medicine have shown that their previously identified therapeutic approach to fight cancer via immune cells called macrophages also prompts the disease-fighting killer T cells ...

Cancer created May 21, 2013 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Discovery of circadian clock in mice hair reveals period of time when damage from radiotherapy can be quickly repaired

Discovering that mouse hair has a circadian clock - a 24-hour cycle of growth followed by restorative repair - researchers suspect that hair loss in humans from toxic cancer radiotherapy and chemotherapy ...

Medical research created May 20, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Study shows premature birth interrupts vital brain development processes leading to reduced cognitive abilities

Researchers from King's College London have for the first time used a novel form of MRI to identify crucial developmental processes in the brain that are vulnerable to the effects of premature birth. This new study, published ...

Neuroscience created May 20, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Leading explanations for whooping cough's resurgence don't stand up to scrutiny

Whooping cough has exploded in the United States and some other developed countries in recent decades, and many experts suspect ineffective childhood vaccines for the alarming resurgence.

Diseases, Conditions, Syndromes created May 20, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Body clocks of depressed people altered at cell level, researchers show

Every cell in our bodies runs on a 24-hour clock, tuned to the night-day, light-dark cycles that have ruled us since the dawn of humanity. The brain acts as timekeeper, keeping the cellular clock in sync ...

Medical research created May 13, 2013 | popularity 4 / 5 (19) | comments 4 | with audio podcast

Gut microbe battles obesity

(Medical Xpress)—Akkermansia muciniphila is one of the many microbes that live in our intestines. This bacterium, which feeds on the intestine's mucus lining, comprises between 3 and 5 percent of the gut microbes of hea ...

Medical research created May 14, 2013 | popularity 4.8 / 5 (11) | comments 0 | with audio podcast report

Human brain frontal lobes not relatively large, not sole center of intelligence

Human intelligence cannot be explained by the size of the brain's frontal lobes, say researchers.

Neuroscience created May 13, 2013 | popularity 4.9 / 5 (10) | comments 4 | with audio podcast