ScienceDaily Health Headlines
for Saturday, January 2, 2010
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Genomic differences identified in common skin diseases may lead to better treatments (January 2, 2010) -- Scientists have drilled down on the molecular nitty-gritty that distinguishes the two most common forms of inflammatory skin disease, atopic eczema and psoriasis. The researchers say that the ability to distinguish between the disorders' genetic and immunological signatures opens the door for more narrowly targeted therapies sorely needed by the millions of people afflicted worldwide. ... > full story
Bacterial protein mimics its host to disable a key enzyme (January 2, 2010) -- Helicobacter pylori infects up to 90 percent of people in the developing world and causes gastric ulcers and cancers of the gut. Now scientists have revealed a subterfuge used by the bacterium to trick stomach cells into playing along. By injecting a protein into the stomach lining that mimics a native protein but has its opposite effect, the bacterium shuts down a process that helps properly structure stomach tissue, scientists say. ... > full story
It's never too late to quit smoking and save your vision (January 2, 2010) -- Need a little extra incentive to kick the habit? Just in time for New Year's resolutions, a new study finds that even after age 80, smoking continues to increase one's risk for age-related macular degeneration (AMD), the leading cause of blindness in Americans over 65. ... > full story
New research could advance research field critical to personalized medicine (January 1, 2010) -- It's the ultimate goal in the treatment of cancer: tailoring a person's therapy based on his or her genetic makeup. While a lofty goal, scientists are steadily moving forward, rapidly exploiting new technologies. Researchers report a significant advance in this field of research using a new chip that looks for hundreds of mutations in dozen of genes. ... > full story
New molecule identified in DNA damage response (January 1, 2010) -- In the harsh judgment of natural selection, the ultimate measure of success is reproduction. So it's no surprise that life spends lavish resources on this feat, whether in the courtship behavior of birds and bees or replicating the cells that keep them alive. Now research has identified a new piece in an elaborate system to help guarantee fidelity in the reproduction of cells, preventing potentially lethal mutations in the process. ... > full story
The cancer 'TRAP': protein may prevent cancer cell death (January 1, 2010) -- New research suggests that TNF-receptor associated protein-1 (TRAP-1) may prevent cancer cell death. ... > full story
Mutation leads to new and severe form of bacterial disease (January 1, 2010) -- Fighting an illness is not just about fighting the bacteria or viruses that cause it, it also has to do with your genes. Scientists have now identified a gene mutation that makes children susceptible to a severe form of mycobacterial disease, any disease caused by species of Mycobacterium such as tuberculosis and leprosy. The mutation represents a new layer of disease severity in children who lack a vital disease-fighting component from their immune system. ... > full story
Protein link may be key to new treatment for aggressive brain tumor (January 1, 2010) -- Biomedical researchers have found a protein that could hold the key to treating one of the most common and aggressive brain tumors in adults. Glioblastoma multiforme, the type of malignant brain tumor that killed the late US Sen. Edward Kennedy, is difficult to treat because it spreads cancerous cells to other parts of the brain very quickly. About 10,000 cases are diagnosed in the United States each year. ... > full story
New suppressor of common liver cancer (January 1, 2010) -- Tumor suppressor genes make proteins that help control cell growth. Mutations in these genes that generate nonfunctional proteins can contribute to tumor development and progression. One of the most well-known tumor suppressor genes is BRACA1, mutations in which are linked to breast cancer. Researchers have now identified SCARA5 as a candidate tumor suppressor gene in human hepatocellular carcinoma, a form of liver cancer that is the fifth most common cancer worldwide ... > full story
Obesity epidemic taking root in Africa (January 1, 2010) -- The urban poor in sub-Saharan Africa are the latest victims of the obesity epidemic. Researchers claim that overweight and obesity are on the increase among this group. ... > full story
Keeping hepatitis C virus at bay after a liver transplant (January 1, 2010) -- Individuals infected with hepatitis C virus who receive a liver transplant find that their new liver becomes infected with HCV almost immediately. However, researcher in Japan have developed an approach that transiently keeps HCV levels down in most treated HCV-infected patients receiving a new liver. ... > full story
Biofilms: Researchers discover new ways to treat chronic infections (January 1, 2010) -- Researchers have identified three key regulators required for the formation and development of biofilms. The discovery could lead to new ways of treating chronic infections. ... > full story
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