News tagged with proceedings of the national academy of sciences

Related topics: brain , cells , genes , protein , stem cells




Study finds linchpin of skin response to UVA light

Last year, a team of researchers at Brown University discovered that certain skin cells use a light-sensitive receptor found outside of the eye to sense ultraviolet light and quickly begin pumping out melanin ...

Medical research created Jan 21, 2013 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Lack of key enzyme in the metabolism of folic acid leads to birth defects

Researchers at The University of Texas at Austin have discovered that the lack of a critical enzyme in the folic acid metabolic pathway leads to neural tube birth defects in developing embryos.

Medical research created Jan 17, 2013 | popularity not rated yet | comments 0 | with audio podcast

Fighting sleep: Discovery may lead to new treatments for deadly sleeping sickness

While its common name may make it sound almost whimsical, sleeping sickness, or African trypanosomiasis, is in reality a potentially fatal parasitic infection that has ravaged populations in sub-Saharan Africa ...

Diseases, Conditions, Syndromes created Jan 17, 2013 | popularity 3.5 / 5 (2) | comments 1 | with audio podcast

Possible role for Huntington's gene discovered

About 20 years ago, scientists discovered the gene that causes Huntington's disease, a fatal neurodegenerative disorder that affects about 30,000 Americans. The mutant form of the gene has many extra DNA ...

Genetics created Jan 16, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Major step toward an Alzheimer's vaccine

A team of researchers from Université Laval, CHU de Québec, and pharmaceutical firm GlaxoSmithKline (GSK) has discovered a way to stimulate the brain's natural defense mechanisms in people with Alzheimer's disease. This ...

Alzheimer's disease & dementia created Jan 15, 2013 | popularity 5 / 5 (4) | comments 0

Can we all just get along? Immunological memory learns tolerance

(Medical Xpress)—Immunology researchers at the University of Connecticut Health Center are learning more about memory T cells, which are cells that fight infection from a previously encountered antigen.

Immunology created Jan 15, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Pot use-low IQ link challenged in study

(HealthDay)—A new analysis challenges previous research that suggested teens put their long-term brainpower in danger when they smoke marijuana heavily.

Health created Jan 14, 2013 | popularity 4.3 / 5 (10) | comments 12 | with audio podcast

Study shows that human hearts generate new cells after birth

Researchers at Boston Children's Hospital have found, for the first time that young humans (infants, children and adolescents) are capable of generating new heart muscle cells. These findings refute the long-held belief that ...

Medical research created Jan 10, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New tool to help brain surgeons, one step closer to operating room

(Medical Xpress)—A new tool that could allow for faster, more comprehensive testing of brain tissue during surgery successfully identified the cancer type, grade and tumor margins in five brain surgery ...

Surgery created Jan 09, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Sibling study discovers genetic region linked to control of key blood-clotting protein

In 2006, the lab of Dr. David Ginsburg at the Life Sciences Institute put a call out for siblings attending the University of Michigan to donate blood for a study of blood-clotting disorders.

Medical research created Jan 08, 2013 | popularity not rated yet | comments 0 | with audio podcast

Pills found in ancient Tuscan wreck resemble modern medicine

(Medical Xpress)—A team of Italian researchers studying the contents of a small tin found aboard the wreck of a second century B.C. cargo ship claim its contents are pills meant to cure eye or skin ailments. ...

Medications created Jan 08, 2013 | popularity 4.3 / 5 (11) | comments 2 | with audio podcast report

New compound overcomes drug-resistant Staph infection in mice

Researchers have discovered a new compound that restores the health of mice infected with methicillin-resistant Staphylococcus aureus (MRSA), an otherwise dangerous bacterial infection. The new compound targets ...

Medical research created Jan 07, 2013 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Pesticides and Parkinson's: Researchers uncover further proof of a link

(Medical Xpress)—For several years, neurologists at UCLA have been building a case that a link exists between pesticides and Parkinson's disease. To date, paraquat, maneb and ziram—common chemicals sprayed in California's ...

Parkinson's & Movement disorders created Jan 04, 2013 | popularity 3 / 5 (1) | comments 2 | with audio podcast

GW professor discovers new information in the understanding of autism and genetics

(Medical Xpress)—Research out of the George Washington University (GW), published in the journal Proceedings of the National Academy of Sciences (PNAS), reveals another piece of the puzzle in a genetic developmental disorder that ...

Autism spectrum disorders created Jan 03, 2013 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Improving the accuracy of cancer diagnoses: New spectroscopy technique could help doctors better identify breast tumors

Tiny calcium deposits can be a telltale sign of breast cancer. However, in the majority of cases these microcalcifications signal a benign condition. A new diagnostic procedure developed at MIT and Case Western ...

Cancer created Jan 03, 2013 | popularity not rated yet | comments 0 | with audio podcast