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Improved Understanding Of Ancient Protein Offers Clues To Killer Condition
More than 600 million years of evolution has taken two unlikely distant cousins - turkeys and scallops - down very different physical paths from a common ancestor. But University of Leeds researchers have found that a motor protein, myosin 2, remains structurally identical in both creatures.
Glypican-3 Gene Function In Regulating Body Size Helps Inform Novel Cancer Treatments
In a leading study that has implications for the development of novel therapies for a number of breast, lung and ovarian cancers that have lost the expression of a gene called glypican-3 (GPC3), Sunnybrook researchers have discovered how the loss of the GPC3 gene induces overgrowth through certain growth factors such as Sonic Hedgehog which stimulate cancer growth.
Possible Connection Between Marijuana Abuse And Stroke Or Heart Attacks
Long-term harmful effects of marijuana (MJ) include risk for heart attacks and strokes in addition to impaired learning and memory. The active chemical in MJ called delta-9-tetrahyrdocannabinol (THC) is believed to exert these effects by binding to cannabinoid (CB) receptors located on several cell types in various organs.
How A Human And A Fruit Fly Differ
Fruit flies are dramatically different from humans not in their number of genes, but in the number of protein interactions in their bodies, according to scientists who have developed a new way of estimating the total number of interactions between proteins in any organism.
Natural Selection Favors Parasite Fitness Over Host Health
Why do parasites harm their hosts? Classic evolutionary theory predicts that parasites become more virulent because they must transmit themselves between hosts, yet scientists have found little data to support this idea, until now.
New Automatic Analysis Of Protein Patterns In Tissues From Carnegie Mellon Engineering Researchers
Carnegie Mellon University's Justin Y. Newberg and Robert F. Murphy have developed a software toolbox that is intended to help bioscience researchers characterize protein patterns in human tissues.Newberg, a Ph.D.
Risk Of Death And Stroke Increased By Use Of Metoprolol Around The Time Of Surgery: POISE Trial
Beta-blocker drugs may help prevent heart attacks during surgery, but they may increase the risk of death and major stroke, says a major study to be published online by the prestigious medical journal, The Lancet.POISE is the world's largest randomized trial addressing perioperative cardiac complications.
AP Miami Herald Looks At Democratic Presidential Candidates' Proposed Health Plans
The AP/Miami Herald on Sunday looked at the health plans proposed by Democratic presidential candidates Sens. Hillary Rodham Clinton (N.Y.) and Barack Obama (Ill.). While likely Republican nominee Sen. John McCain said the Democratic plans would "move closer to a nationalized health system, " AP/Herald describes that characterization as "a stretch.
Increased Research, Determination Needed In HIV AIDS Vaccine Efforts, HIV Vaccine Enterprise Head Says
The disappointment that followed the cancellation of a Merck vaccine trial in September 2007 has been replaced by a renewed determination among the scientific community, Alan Bernstein, executive director of the Global HIV Vaccine Enterprise, said ahead of the 25th anniversary of the scientific paper announcing the discovery of HIV, the CP/Yahoo!