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Tag: "leading" at biology news

Do fruit flies have free will?

...onrandom behavior and may help combating disorders leading to compromised spontaneous behavioral variability in humans such as depression, schizophrenia or obsessive compulsive disorder. The research will appear in the May 16, 2007 issue of the open-access journal PLoS ONE. ...

Gene thought to assist chemo may help cancer thrive

...r some of the cancer cells damaged by chemotherapy leading to tumor recurrence and explaining the higher mortality rate of patients whose tumors had a functioning p53. If we are correct, inhibiting p53 in tumors being treated with chemotherapy may substantially improve patients' long-term survival." McDon...

Individuals and populations differ in gene activity levels, not just genes

...s expressed, the more "messenger" RNA is produced, leading to formation of more proteins corresponding to that gene. Those proteins are the building blocks that make up living cells and tissue. "The difference between genetic information and gene expression is like the difference between computer hardware...

Discovery of new cave millipedes casts light on Arizona cave ecology

...reau of Land Management (BLM), collected specimens leading to the discovery of two new millipede species in c...ited millipede has been confirmed by Bill Shear, a leading millipede expert at Hampden-Sydney College in Virginia. "Western U.S. caves have not been at a...

Natural antibiotics yield secrets to atom-level imaging technique

... BBA-Biomembranes, published a number of papers in leading journals, and brought out a book on NMR Spectroscopy of Biological Solids. Ramamoorthy says that this area of research will grow considerably at U-M from implementing plans to set up a high magnetic field solid-state NMR spectrometer facility and an ...

Genetic fingerprints identify brain tumors' origins

...nd treatments for the tumors. Brain tumors are the leading cause of cancer-related death in children, and the most common childhood brain tumor is the pilocytic astrocytoma (PA). Approximately 15 percent of all PAs are linked to neurofibromatosis 1 (NF1), a genetic condition that causes childhood brain tumor...

Cure for cancer one step closer

...ndefinitely. The Wesley Research Institute is a leading medical research facility with a commitment to patient care, ethical conduct and quality research that aims to improve quality of life through better diagnosis and treatment. ...

Stanford-led study closes in on genes that may predispose some people to severe depression

...Medicine. "This finding has a very good chance of leading to a discovery of a gene that could yield important information about why some people develop depression," said Levinson. If problematic genetic variations could be identified, it would open the door to a whole new world of investigation, and e...

New success in engineering plant oils

...umulation of saturated fatty acids in edible oils, leading to more healthful nutrition. ...

Gut research yields new anti-cancer approach

...mma inhibitors. Combination therapy is the current leading strategy in treating cancer, and finding the mechanisms by which PPARgamma inhibitors work could be a first step toward their safe combination with other treatments. "The last work attempting to reduce tubulin levels was abandoned approximately 2...

Researchers from the University of Navarra analyze new kinds of cancer-fighting antibodies

... an article in Nature Cancer Reviews , one of the leading scientific journals in the area of cancer studies. The article, written by Ignacio Melero and Sandra Hervas-Stubbs, together with other scientists from the United States and Great Britain, addresses the use of a new pharmaceutical family with practic...

UCSD researchers discover variants of natural tumor suppressor

...the driver to brake, to prevent cell proliferation leading to tumor growth. But in diabetes, heart or neurological disease, where we want to promote cell growth and survival, we don't want to slow the driver down." The researchers have now found that PHLPP1 controls the driver along one pathway ?Akt2, wh...

Tracking sperm whales and jumbo squid

...agging methods will surely guide those inferences, leading to insights that even Melville might not have imagined." ...

Woman's Day and For Womens of Science

...from five synthesis papers prepared by the world's leading mercury scientists and published in the same issue...mmarizes a year-long effort by many of the world's leading mercury scientists, assembled into four expert panels, to review and synthesize the major mercury sc...

Mercury contamination of fish warrants worldwide public warning

...from five synthesis papers prepared by the world's leading mercury scientists and published in the same issue...mmarizes a year-long effort by many of the world's leading mercury scientists, assembled into four expert panels, to review and synthesize the major mercury sc...

Farmed salmon could become an invasive species in forest streams

...d salmon may eventually adapt to local conditions, leading to self-sustaining populations. Escaped salmon could compete with already at-risk species, such as steelhead. "Given the precarious state of many of our native salmon stocks," explains Bisson, "it seems prudent to be safe rather than sorry...

Enhancing activity of marijuana-like chemicals in brain helps treat

...for inhibiting movement becomes overly activated - leading to the difficulty of initiating motion, the hallmark of Parkinson's disease. Current treatment for Parkinson's includes drugs that stimulate or mimic dopamine. It turns out that the neurons Kreitzer identified as inhibiting motion had a type of...

How appetite-stimulating brain cells work overtime during fasting

...aled the hypothalamus that fat levels have fallen, leading hypothalamic neurons to activate a program, including hunger, to preserve energy and restore fat levels, he said. Now, "a series of studies, including those reported in this issue of Cell Metabolism by [Diano and colleagues] have elegantly demons...

Scientists learn the origin of rogue B cells

...ainst parts of the body it is designed to protect, leading to autoimmune disease. Now, researchers at the National Institutes of Health's (NIH) National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), in collaboration with the Oklahoma Medical Research Foundation, have provided some new...

Genes set scene for metastasis

...argets for therapeutic treatment. Metastasis ?the leading cause of mortality in cancer patients ?entails numerous biological functions that collectively enable cancerous cells from a primary site to disseminate and overtake distant organs. A number of genes are already known to contribute to the spread of b...

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