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Transcription factors guide differences in human and chimp brain function

Transcription factors guide differences in human and chimp brain function

Biology / Cell & Microbiology

created Dec 07, 2009 | popularity 5 / 5 (1) | comments 0

Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.


Study shows nearly 1/3 of human genome is involved in gingivitis

Medicine & Health / Genetics

created Dec 07, 2009 | popularity 4.8 / 5 (4) | comments 1

Gingivitis, which may affect more than one-half of the U.S. adult population, is a condition commonly attributed to lapses in simple oral hygiene habits. However, a new study shows that development and reversal of gingivitis ...


Why Some Monkeys Don't Get AIDS

Why Some Monkeys Don't Get AIDS

Medicine & Health / HIV & AIDS

created Dec 03, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Two studies published this month in the Journal of Clinical Investigation provide a significant advance in understanding how some species of monkeys such as sooty mangabeys and African green ...


Scientists discover genetic pattern that indicates early-stage lung cancer

Medicine & Health / Cancer

created Dec 01, 2009 | popularity 4 / 5 (1) | comments 0

Wistar Institute researchers and collaborators from the University of Pennsylvania and New York University have identified immune system markers in the blood which indicate early-stage lung tumors in people at high risk for ...


Acute stress leaves epigenetic marks on the hippocampus

Medicine & Health / Psychology & Psychiatry

created Nov 24, 2009 | popularity 4.7 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists are learning that the dynamic regulation of genes -- as much as the genes themselves -- shapes the fate of organisms. Now the discovery of a new epigenetic mechanism regulating genes in the brain ...


Why can't chimps speak? Study links evolution of single gene to human capacity for language

Why can't chimps speak? Study links evolution of single gene to human capacity for language

Medicine & Health / Genetics

created Nov 11, 2009 | popularity 3.9 / 5 (15) | comments 3

(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?


Systems biology approach provides insulin resistance insights

Systems biology approach provides insulin resistance insights

Medicine & Health / Research

created Nov 23, 2009 | popularity 5 / 5 (1) | comments 0

Researchers from the University of California, San Diego recently offered the sharpest-yet picture of how core biochemical pathways in skeletal muscle cells and fat cells are altered in people who suffer from ...


High unexpressed anger in MS patients linked to nervous system damage, not disease severity

Medicine & Health / Neuroscience

created Nov 24, 2009 | popularity not rated yet | comments 0

People with Multiple Sclerosis (MS) feel more than twice as much withheld anger as the general population and this could have an adverse effect on their relationships and health, according to a study published in the December ...


Study reveals why certain drug combinations backfire

Chemistry / Biochemistry

created Nov 13, 2009 | popularity 4.5 / 5 (4) | comments 0

Combination drug therapy has become a staple for treating many infections. For instance, doctors treat extensively drug resistant forms of tuberculosis with one drug that breaks down the pathogen's protective barriers and ...


Predicting the fate of underground carbon

Physics / General Physics

created Nov 23, 2009 | popularity not rated yet | comments 0

A team of researchers at the Massachusetts Institute of Technology has developed a new modeling methodology for determining the capacity and assessing the risks of leakage of potential underground carbon-dioxide reservoirs.


FDA approved leukemia drugs shows promise in ovarian cancer cells

Medicine & Health / Cancer

created Nov 10, 2009 | popularity not rated yet | comments 0

The drug Sprycel, approved for use by the U.S. Food and Drug Administration in patients with chronic myeloid leukemia, significantly inhibited the growth and invasiveness of ovarian cancer cells and also promoted their death, ...


The protein Srebp2 drives cholesterol formation in prion-infected neuronal cells

Chemistry / Biochemistry

created Nov 18, 2009 | popularity 4 / 5 (1) | comments 0

Prions are causing fatal and infectious diseases of the nervous system, such as the mad cow disease (BSE), scrapie in sheep or Creutzfeldt-Jakob disease in humans. Scientists of Helmholtz Zentrum München and Technische Universität ...


Treatment to improve degenerating muscle gains strength

Medicine & Health / Diseases

created Nov 11, 2009 | popularity not rated yet | comments 0

A study appearing in Science Translational Medicine puts scientists one step closer to clinical trials to test a gene delivery strategy to improve muscle mass and function in patients with certain degenerative muscle disord ...