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Scripps Research Scientists Find An Important Molecular Trigger For Wound-Healing
Date: Aug-20-2012Scientists at The Scripps Research Institute have made a breakthrough in understanding a class of cells that help wounds in skin and other epithelial tissues heal, uncovering a molecular mechanism that pushes the body into wound-repair mode. The findings, which appear in an advance, online version of the Immunity on August 16, 2012, focus on cells known as γδ (gamma delta) T cells. The new study demonstrates a skin-cell receptor hooks up with a receptor on γδ T-cells to stimulate wound healing...
B Cell Survival Holds Key To Chronic Graft Vs. Host Disease
Date: Aug-20-2012Leukemia and lymphoma patients who receive life-saving stem cell or bone marrow transplants often experience chronic side effects that significantly decrease quality of life, can last a lifetime, and ultimately affect their long-term survival. In chronic Graft vs. Host Disease (GVHD), the differences between the donor bone marrow cells and the recipient's body often cause these immune cells to recognize the recipient's body tissues as foreign and the newly transplanted cells attack the transplant recipient's body...
TAU Research Says Genetics Can Reveal Your Geographic Ancestral Origin
Date: Aug-20-2012While your DNA is unique, it also tells the tale of your family line. It carries the genetic history of your ancestors down through the generations. Now, says a Tel Aviv University researcher, it's also possible to use it as a map to your family's past. Prof. Eran Halperin of TAU's Blavatnik School of Computer Science and Department of Molecular Microbiology and Biotechnology, along with a group of researchers from University of California, Los Angeles, are giving new meaning to the term "genetic mapping...
Harvard Researchers Explore Systems That Would Give 'Soft Robots' The Ability To Camouflage Themselves Or Stand Out From Their Environment
Date: Aug-20-2012A team of researchers led by George Whitesides, the Woodford L. and Ann A. Flowers University Professor, has already broken new engineering ground with the development of soft, silicone-based robots inspired by creatures like starfish and squid. Now, they're working to give those robots the ability to disguise themselves. As demonstrated in an August 16 paper published in Science, researchers have developed a system - again, inspired by nature - that allows the soft robots to either camouflage themselves against a background, or to make bold color displays...
Turmeric Spices Up Virus Study
Date: Aug-20-2012The popular spice turmeric packs more than just flavor - it shows promise in fighting devastating viruses, Mason researchers recently discovered. Curcumin, found in turmeric, stopped the potentially deadly Rift Valley Fever virus from multiplying in infected cells, says Aarthi Narayanan, lead investigator on a new study and a research assistant professor in Mason's National Center for Biodefense and Infectious Diseases. Mosquito-borne Rift Valley Fever virus (RVF) is an acute, fever-causing virus that affects domestic animals such as cattle, sheep and goats, as well as humans...
What's Best For Very Low Birth Weight Babies
Date: Aug-20-2012While the health benefits of breast feeding baby are well known, a new study published in BioMed Central's open access journal BMC Pediatrics finds that, for very low birth weight (VLBW) babies, a small amount of fortification can improve growth rates without sacrificing the benefits associated with mother's milk. Human milk provides babies with exactly the right nutrients for growth and also helps protect against infections and diseases...
Metabolic Protein Wields Phosphate Group To Activate Cancer-Promoting Genes
Date: Aug-20-2012A metabolic protein that nourishes cancer cells also activates tumor-promoting genes by loosening part of the packaging that entwines DNA to make up chromosomes, a team led by scientists at The University of Texas MD Anderson Cancer Center reports in the Aug. 16 issue of Cell. Working in cell lines and mouse models of glioblastoma multiforme, the most lethal form of brain tumor, senior author Zhimin Lu, Ph.D., associate professor of Neuro-Oncology at MD Anderson, and colleagues show that pyruvate kinase M2 (PKM2) fuels tumor growth by influencing a histone protein...
Annals Of Internal Medicine Publishes New CDC Recommendations On Hepatitis C Screening
Date: Aug-20-2012Without other risk factors, all Americans born between 1945 and 1965 should have a one-time screening for the hepatitis C virus (HCV) according to new recommendations published early online in Annals of Internal Medicine, the flagship journal of the American College of Physicians. The Centers for Disease Control and Prevention (CDC) also recommends that all persons identified with HCV should receive a brief alcohol screening and intervention and be referred to appropriate care and treatment services for HCV and related conditions. Up to 3...
Earthworms Soak Up Heavy Metal
Date: Aug-20-2012Earthworms could be used to extract toxic heavy metals, including cadmium and lead, from solid waste from domestic refuse collection and waste from vegetable and flower markets, according to researchers writing in the International Journal of Environment and Waste Management. Swati Pattnaik and M...
Evolutionary Increase In Size Of The Human Brain Explained
Date: Aug-20-2012Researchers have found what they believe is the key to understanding why the human brain is larger and more complex than that of other animals. The human brain, with its unequaled cognitive capacity, evolved rapidly and dramatically. "We wanted to know why," says James Sikela, PhD, who headed the international research team that included researchers from the University of Colorado School of Medicine, Baylor College of Medicine and the National Institutes of Mental Health. "The size and cognitive capacity of the human brain sets us apart...
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