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Origins of Life: In Early Earth, Iron Helped RNA Catalyze Electron Transfer
May 19, 2013 — A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth. The study shows that RNA is capable of catalyzing ... > full story -
Now We Know Why Old Scizophrenia Medicine Works on Antibiotics-Resistant Bacteria
May 18, 2013 — An old medicine for schizophrenia is effective at treating something completely different than it was designed for: antibiotic-resistant bacteria. So far it has been a mystery how this old ... > full story -
Genome Sequence of Tibetan Antelope Sheds New Light on High-Altitude Adaptation
May 17, 2013 — How can the Tibetan antelope live at elevations of 4,000-5,000m on the Qinghai-Tibetan Plateau? Investigators now provide evidence of genetic factors that may be associated with the species' adaption ... > full story -
Target to Prevent Hardening of Arteries Identified
May 16, 2013 — The gene Dkk1 encodes a protein that plays a key role in increasing the population of connective-tissue cells during wound repair, but prolonged Dkk1 signaling in cells lining blood vessels can lead ... > full story -
Gene Involved in Neurodegeneration Keeps Clock Running: Scientists Identify Another Gene Important to Morning Wake-Up Call
May 16, 2013 — Scientists have shown a gene involved in neurodegenerative disease also plays a critical role in the proper function of the circadian clock. In a study of the common fruit fly, the researchers found ... > full story -
Returning Genetic Incidental Findings Without Patient Consent Violates Basic Rights, Experts Say
May 16, 2013 — Scientists push back against recent American College of Medical Genetics and Genomics recommendations, and offer compelling reasons why patient autonomy must remain firmly in place as science ... > full story -
Accelerated Aging in Children: Promising Treatment for Progeria Within Reach
May 16, 2013 — Pharmaceuticals that inhibit a specific enzyme may be useful in treating progeria, or accelerated aging in children. A new study indicates that the development of progeria in mice was inhibited upon ... > full story -
Stem-Cell-Based Strategy Boosts Immune System in Mice
May 16, 2013 — Raising hopes for cell-based therapies, researchers have created the first functioning human thymus tissue from embryonic stem cells in the laboratory. The researchers showed that, in mice, the ... > full story -
Study Brings Greater Understanding of Tumor Growth Mechanism
May 16, 2013 — A new study has for the first time revealed how the loss of a particular tumor suppressing protein leads to the abnormal growth of tumors of the brain and nervous ... > full story -
Vicious Cycle: Obesity Sustained by Changes in Brain Biochemistry
May 16, 2013 — Scientists have shown that in the brain cells of rats, obesity impedes the production of a hormone that curbs appetite and inspires calorie burning. The root cause appears to be a breakdown in the ... > full story
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