Hydrogen sulfide (H2S) may play a wide-ranging role in staving off aging, according to a paper published online ahead of print in the journal Molecular and Cellular Biology. In this review article, a team from China explores ...
Jan 29, 2013
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When the human genome was sequenced, biologists were surprised to find that very little of the genome—less than 3 percent—corresponds to protein-coding genes. What, they wondered, was all the rest of that DNA doing?
Jan 25, 2013
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(Medical Xpress)—Impairment of a key signaling cascade in the pulmonary blood vessels plays an important role in pulmonary arterial hypertension, a Yale study has found. The study appears in the advance online publication ...
Dec 27, 2012
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(Medical Xpress)—Growing new blood vessels in the lab is a tough challenge, but a Johns Hopkins engineering team has solved a major stumbling block: how to prod stem cells to become two different types of tissue that are ...
Dec 20, 2012
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Each year, about 610,000 Americans suffer their first heart attack, according to the Centers for Disease Control and Prevention. Heart attacks and other symptoms of cardiovascular disease can be caused when blockage occurs ...
Dec 6, 2012
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(HealthDay)—Men who have erectile dysfunction and low testosterone may get no extra benefit from adding the hormone to their Viagra prescription, a new study suggests.
Nov 19, 2012
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(Medical Xpress)—Researchers at the University of Virginia School of Medicine have shed new light on blood pressure regulation with the discovery of an unexpected mechanism by which hemoglobin controls the delivery of nitric ...
Nov 14, 2012
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Blood vessels are extremely dynamic: depending on the external conditions, they can adapt their permeability for nutrients, their contractility, and even their shape. Unlike cardiac muscle cells, for example, the smooth muscle ...
Nov 13, 2012
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It turns out the muscle cells on the outside of blood vessels have been wrongly accused for instigating lung disease. New research shows that while these muscle cells are responsible for constricting or dilating the blood ...
Oct 24, 2012
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(HealthDay)—Babies exposed to cigarette smoke are at increased risk for developing childhood respiratory diseases such as asthma, according to a new study.
Oct 15, 2012
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