ScienceDaily Health Headlines
for Sunday, August 28, 2011
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Could a tumor suppressor also fight obesity? Research reveals hormone receptor GCC's role in appetite (August 27, 2011) -- The hormone receptor guanylyl cyclase C (GCC) has been established as a suppressor of colorectal cancer tumors, but new evidence suggests it may also help fight one of the country's biggest pandemics: obesity. ... > full story
Novel control of Dengue fever (August 27, 2011) -- The spread of Dengue fever in northern Australia may be controlled by a bacterium that infects mosquitoes that harbor the virus, researchers report. ... > full story
Wide gap in immune responses of people exposed to the flu (August 27, 2011) -- Why do some folks who take every precaution still get the flu, while others never even get the sniffles? It comes down to a person's immune system response to the flu virus, according to new research. In one of the first known studies of its kind, researchers used genomics to begin to unravel what in our complex genomic data accounts for why some get sick while others don't. ... > full story
Greater impact of chemotherapy on fertility (August 27, 2011) -- Current estimates of the impact of chemotherapy on women's reproductive health are too low, according to a new study. The researchers say their analysis of the age-specific, long-term effects of chemotherapy provides new insights that will help patients and clinicians make more informed decisions about future reproductive options, such as egg harvesting. ... > full story
Building a better antipsychotic drug by treating schizophrenia's cause: How drugs act on dopamine-producing neurons (August 27, 2011) -- Researchers have discovered that antipsychotic drugs work akin to a Rube Goldberg machine -- that is, they suppress something that in turn suppresses the bad effects of schizophrenia, but not the exact cause itself. In a new paper, they say that pinpointing what's actually causing the problem could lead to better avenues of schizophrenia treatment that more directly and efficiently target the disease. ... > full story
Could new drug cure nearly any viral infection? Technology shows promise against common cold, influenza and other ailments, researchers say (August 26, 2011) -- Most bacterial infections can be treated with antibiotics such as penicillin, discovered decades ago. However, such drugs are useless against viral infections, including influenza, the common cold, and deadly hemorrhagic fevers such as Ebola. Now, in a development that could transform how viral infections are treated, a team of researchers has designed a drug that can identify cells that have been infected by any type of virus, then kill those cells to terminate the infection. ... > full story
T-cell discovery holds promise for organ transplant and immunodeficiency treatment (August 26, 2011) -- Researchers have identified the calcium channel responsible for the activation of T-cells, one of the key elements of the immune system. ... > full story
Omega-3s reduce stroke severity, study suggests (August 26, 2011) -- A diet rich in omega-3s reduces the severity of brain damage after a stroke, according to a new study. Researches have shown that the extent of brain damage following a stroke was reduced by 25 percent in mice that consumed DHA type omega-3s daily. ... > full story
Life expectancy success story (August 26, 2011) -- Increases in life expectancy, due to better quality of life and better health care, can be patchy, with the gap between rich and poor getting bigger as time goes on. However, a new report finds that the life expectancy for people living in deprived areas in Campinas, Brazil, is catching up, rising at three times the rate of people living in more affluent areas. ... > full story
Uncovering the spread of deadly cancer: New imaging device enables scientists to see tumor cells traveling in the brain (August 26, 2011) -- For the first time, scientists can see pathways to stop a deadly brain cancer in its tracks. Researchers have imaged individual cancer cells and the routes they travel as the tumor spreads. ... > full story
Breakthrough in genetics of fibroids (August 26, 2011) -- Uterine leiomyomas, also called fibroids, cause a very significant burden to women's health. Researchers have set out to study the genetic structure of fibroids by determining the sequence of all the human genes, in a series of 18 tumors. The study revealed very specific mutations in a gene called MED12, in as many of 70 percent of the studied tumors. ... > full story
New score can tell doctors how long cancer patients have left to live (August 26, 2011) -- A new scoring system can more reliably predict whether patients with advanced cancer are likely to survive for "days", "weeks" or "months", a new study finds. ... > full story
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