Tag: "failure" at biology news

Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"

...nzyme more tightly, producingwidespread nerve cell failure in the brain. The work offers biomedical researchers a new way to understand, and to potentiallytreat these genetic diseases, the Duke scientists say. "This is the first explanation of what these proteins produced by tripletrepeat genes may be do...

From Corn Rootworms To Art, Cornell's Reactor Is At The Core

... High vapor fractions are the precursor to sudden failure of heated surfaces in nuclear reactors. The vapor fraction measurements are in support of a two-phase flow model important in understanding the potential for severe accidents in nuclear reactors....

Low-Protein Diet May Reverse Kidney Disease

... participants, who started the study before kidney failure became severe, the results show. Four of the five ...ther 11 participants, who had more advanced kidney failure before starting the study, showed temporary improvement, but all eventually went on dialysis. Nephro...

Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival

...boobies decreased their risk of total reproductive failure to about 16 percent. But what about the violence and the collaboration between parent and child to eliminate the second-born chick? From 1992 to 1995, Anderson and the Wake Forest graduate students taking part in his National Science Foundation stud...

University Of Washington Discovery May Point The Way To New Treatment For Hepatitis C Cases That Do Not Respond To Interferon Therapy

...illion Americans. It is the major reason for liver failure necessitating liver transplants. "Many vir...ercent of those will develop liver cancer or liver failure requiring transplant. There are an estimated 150,000 to 250,000 new cases of hepatitis C infection e...

Long-Term Vitamin C Use Cuts Cataract Risk In Older Women

...r than 10 years."Shorter periods might result in a failure toobserve any beneficial effects of vitamin C on cataract risk," he said. Jean Mayer Human Nutrition Research Center on Aging at Tufts University, 711Washington Street, Boston, Massachusetts 02111-1524 Phone: (617) 556-3322 Fax: (617) 556-3344...

Vertex Pharmaceuticals Researchers Report Three-Dimensional Structure Of Hepatitis C Helicase Enzyme; Report In Structure

...for decadesand eventually lead to cirrhosis, liver failure and liver cancer withdevastating health consequences. Sources at the U.S. Centers for DiseaseControl and Prevention (CDC) recently estimated that approximately 3.9 millionAmericans, or more than one percent of the population, may be infected with H...

Long-Standing Puzzle Of Immune System Is Solved By UCSF Researchers

... the gene encoding the repair enzyme resulted in a failure torepair harmful mutations, thereby contributing to the growth of thesetumors. However the UCSF researchers suggest that Pms2 may still be activein these tumors, but that its function may be altered so that, similar tothe way it operates in ...

New Sensor Will Detech Chemical And Biological Pathogens At Incredibly Small Doses

... a gram negativebacteria can cause clotting, organ failure and subsequent death," Velander explains. Velander estimates there are several hundred WBAs that currently exist that caninduce battlefield and civilian casualties that can now be detected. "The newbiosensor approaches the sensitivity of a dog sniffi...

MIT's Mini Respirator Breathes Life Into Mutant Mice

...nces. Among other things, it can cause respiratory failure that can killthe animals. "Until now there was nothing available to resuscitate these mice, whichrepresent a major commitment of research time and money," said Dr. Chi-SangPoon, a principal research scientist in the Harvard-MIT Division of H...

The Environmental Consequences Of Increasing Food Production

...ve savannahs ofWest Africa. They project that the failure to develop such strategies will leadto large shortfalls of feed for livestock and substantial soil degradation andloss of vegetation. Practical Information Global change impact on agriculture will be discussed on the third day of theconference (Ma...

Structure Of Tumor Necrosis Factor-Alpha-Converting Enzyme Solved - Milestone Toward Rational Drug Design For Rheumatoid Arthritis And Endotoxic Shock

...transplant rejection, multiple sclerosis, organ failure or septic shock, and also promotes HIV production in monocytes. Due to TACEs role in TNF a conversion, inhibitors of TACE would affect the release of soluble TNF a <font size="3"> into circulation. The Max Planck t...

Learning About Evolution Critical For Understanding Science

...how bacteria develop resistance to antibiotics. A failure to teach effectively about evolution will rob students of a precious opportunity -- to understand how life on Earth has developed and to appreciate their own place in the world." The guidebook does not attempt to refute the ideas of those who oppose ...

Possible Trigger For Heart Failure Identified In Lab Animal Studies

...dheart -- the primary features of congestive heart failure in humans. Afflicting almost 5 million Americans, congestive heart failure is thesingle most frequent cause of hospitalizations for people age 65 or older,according to the Ame...

Researchers Discover Existing Drugs May Prevent Enlarged Hearts

...whoseprogression from cardiac hypertrophy to heart failure to death mirroredhumans'. "Cardiac hypertr...eart mayenlarge too much, causing congestive heart failure that can lead tosudden death. Half of cardiac hypertrophy patients die from thecondition. Ol...

Researchers Identify Protein Critical To Urine Concentration

...n, or refractory edema, including congestive heart failure and cirrhosis, said the researchers. "If we could inhibit the water channel with drugs," says A.S. Verkman, MD, PhD, UCSF professor of medicine and physiology, "then problems of fluid retention could be effectively treated where conventional diureti...

Fortified Drink Improves Third World Nutrition

...fest 3 billion people worldwide and lead to growth failure in children. The latest study was supported in part by the Canadian Micronutrient Initiative, UNICEF, Procter and Gamble and SmithKline Beecham in Britain....

High Blood Pressure Caused By Salt Retention May Be Related To Oncogenes Implicated In Cancer

... and is anunderlying cause of heart attacks, heart failure and strokes, as well as kidneyfailure. Some people have a specific, genetic abnormality that affects thesodium channels, but in other people there is nothing obviously wrong. "In this other group of people, the sodium channels are switched on...

Duke Researchers Genetically Engineer Mice To Block Heart Enlargement

...ble to slow or prevent thesteps that lead to heart failure in people." Heart disease symptoms such as...ve heart failure. Congestive heart failure is notoriously difficult to treat, althoughearly symptoms are often mild, and can be treated with ch...

UPMC Reports On New Liver Assist Device

...yExcorp Medical Inc., significantly improved liver failure in animal studies, andresearchers anticipate their...videtemporary support to patients with acute liver failure until their liverrecovers spontaneously or until transplantation is possible. When human trialsbegi...

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