bilimselkonular science
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Determining what triggers the death of retinal cells, called photoreceptors, could hold the key to stopping blinding disorders caused by a wide range of eye diseases, Yale School of Medicine researchers report in the November journal Investigative Ophthalmology & Visual Science.
Several blinding disorders are known to cause the breakdown of photoreceptors. Caroline Zeiss, associate professor [...]
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Researchers at Uppsala University, in collaboration with colleagues in Sweden and abroad, have identified an entirely new mechanism by which a specific protein in the body inhibits formation of new blood vessels. Inhibiting the formation of new blood vessels is an important aspect of, for example, cancer treatment. The study is published in the November [...]
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A shot of espresso may rev you up in the morning, but the downside is that it may also ramp up levels of bad cholesterol due to its effects on a unique liver protein called PXR. New research from Rockefeller University now shows that when chronically activated, the protein rejiggers how cholesterol is broken down [...]
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The mechanism whereby embryonic cells stop being flexible and turn into more mature cells that can develop into specific tissues has been discovered by scientists at the Hebrew University of Jerusalem. The discovery has significant consequences towards furthering research that will eventually make possible medical cell replacement therapy based on the use of embryonic cells.
At [...]
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Cancer cells and nervous system neurons may not look or act alike, but both use strikingly similar ways to survive, according to new research from the University of North Carolina at Chapel Hill School of Medicine.
The study published in the December issue of Nature Cell Biology is the first to describe how neurons (nerve cells) [...]
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Scientists have discovered that plant roots can sense UV-B light and have identified a specific gene that is a vital player in UV-B signaling, the communication between cells.
A study published Dec. 8 in the Early Edition of PNAS reveals that the gene RUS1 measures UV-B light levels and passes this information on to other parts [...]
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Researchers at the Keck School of Medicine of the University of Southern California (USC) have explained how certain key mutations occur in human lymphomas—a process that has, until now, remained a mystery.
The findings of the study will have a significant impact on future study of how human lymphoma occurs.
Chromosomal translocations, in which segments of DNA [...]
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A study by UC Davis researchers appearing in the journal Science on December 12, reports the discovery of a new mechanism of attention in the human brain. Previous studies in animals implicated changes in the state of a portion of the brainstem, called the locus ceruleus (LC), in shifts from distractible to attentive states.
By administering [...]
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That gorgeous sweater has your name written on it. But, those red suede pumps are calling your name too. What goes through your mind as you consider these choices? During normal economic times, you might indulge in a whole new wardrobe. But now, with considerably tighter budgets, consumers don`t have the luxury of saying "It`s [...]
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Once hailed as a miracle weight-loss drug, Fen-phen was removed from the market more than a decade ago for inducing life-threatening side effects, including heart valve lesions. Scientists at UT Southwestern Medical Center are trying to understand how Fen-phen behaves in the brain in order to develop safer anti-obesity drugs with fewer side effects.
In a [...]
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