News tagged with proceedings of the national academy of sciences
Related topics: brain , cells , genes , protein , stem cells
fMRI study uncovers neural mechanism underlying drug cravings
Addiction may result from abnormal brain circuitry in the frontal cortex, the part of the brain that controls decision-making. Researchers from the RIKEN Center for Molecular Imaging Science in Japan collaborating with colleagues ...
Neuroscience
Jan 28, 2013 |
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Genes behind aggressive endometrial cancer found
In a major breakthrough for uterine serous carcinoma (USC)—a chemo-resistant, aggressive form of endometrial cancer, Yale researchers have defined the genetic landscape of USC tumors, findings that point to new treatment ...
Cancer
Jan 28, 2013 |
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Altering eye cells may one day restore vision
(Medical Xpress)—Doctors may one day treat some forms of blindness by altering the genetic program of the light-sensing cells of the eye, according to scientists at Washington University School of Medicine ...
Ophthalmology
Jan 25, 2013 |
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Synthetic corkscrew peptide kills antibiotic-resistant Gram-negative bacteria
An engineered peptide provides a new prototype for killing an entire category of resistant bacteria by shredding and dissolving their double-layered membranes, which are thought to protect those microbes from antibiotics.
Medical research
Jan 24, 2013 |
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Tracking the spread of dengue fever: Domestic networks drive rapid transmission of human infection
The mosquitoes that spread dengue fever tap into the domestic networks of humans, along with their bloodstreams, finds a study recently published in the Proceedings of the National Academy of Sciences (PNAS).
Diseases, Conditions, Syndromes
Jan 24, 2013 |
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Immune cell death defects linked to autoimmune diseases
Melbourne researchers have discovered that the death of immune system cells is an important safeguard against the development of diseases such as type 1 diabetes, rheumatoid arthritis and lupus, which occur ...
Immunology
Jan 23, 2013 |
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Circadian rhythms can be modified for potential treatment of disorders
(Medical Xpress)—UC Irvine-led studies have revealed the cellular mechanism by which circadian rhythms – also known as the body clock – modify energy metabolism and also have identified novel compounds that control ...
Cardiology
Jan 22, 2013 |
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Scientists discover 'needle in a haystack' for muscular dystrophy patients
(Medical Xpress)—Muscular dystrophy is caused by the largest human gene, a complex chemical leviathan that has confounded scientists for decades. Research conducted at the University of Missouri and described ...
Medical research
Jan 22, 2013 |
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Immune system molecule with hidden talents
Dendritic cells, or DCs for short, perform a vital role for the immune system: They engulf pathogens, break them down into their component parts, and then display the pieces on their surface. This in turn ...
Immunology
Jan 22, 2013 |
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New study sheds light on the complexity of gene therapy for congenital blindness
Independent clinical trials, including one conducted at the Scheie Eye Institute at the Perelman School of Medicine, have reported safety and efficacy for Leber congenital amaurosis (LCA), a congenital form of blindness caused ...
Genetics
Jan 22, 2013 |
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Researchers find clues to how the brain decides when to rest
(Medical Xpress)—A team of researchers in France has found what they call a "signal" that tells a person when to rest while engaging in work, and then when to resume once rested. The team, as they describe ...
Neuroscience
Jan 22, 2013 |
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Researchers find certain kind of brain damage can cause people to be more reckless with investments
(Medical Xpress)—A team of researchers from several universities in Europe has found that human test subjects with a damaged portion of their brain were likely to invest more money in a risky trustee than ...
Neuroscience
Jan 22, 2013 |
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Uncovering the secrets of 3D vision: How glossy objects can fool the human brain
(Medical Xpress)—It's a familiar sight at the fairground: rows of people gaping at curvy mirrors as they watch their faces and bodies distort. But while mirrored surfaces may be fun to look at, new findings by researchers ...
Neuroscience
Jan 22, 2013 |
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Gold nanoparticles show new way to kill lymphoma without chemotherapy
How do you annihilate lymphoma without using any drugs? Starve it to death by depriving it of what appears to be a favorite food: HDL cholesterol.
Cancer
Jan 21, 2013 |
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Researchers show how cells' DNA repair machinery can destroy viruses
A team of researchers based at Johns Hopkins has decoded a system that makes certain types of immune cells impervious to HIV infection. The system's two vital components are high levels of a molecule that ...
Medical research
Jan 21, 2013 |
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