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Tag: "disease" at biology news

Highly adaptable genome in gut bacterium key to intestinal health

...esity-related disorders such as diabetes and heart disease The bacterium of the study, called Bacteriodes thetaiotaomicron or B. theta, is among the most abundant species in the human gut microbial community. B. theta breaks down otherwise indigestible carbohydrates, such as dietary fiber, and supplies its ...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...e cancer cell to grow, this producing anaggressive disease that is difficult to stop.The drug Herceptin treats this kind of breast cancer by “plugging?these receptors with a monoclonal antibody, but this treatment“produces only a passive and transitory immune reaction,?Lachman said.“This vaccine, however, li...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...ntially describes one strategy to halt Parkinson's disease at its onset and another strategy to treat the dev...astating side effects that occur when treating the disease in its later stages. By inserting corrective genes into the brain, scientists studying small monkey...

Researchers trace evolution to relatively simple genetic changes

...rolled by the same gene that creates this clinical disease in humans. And this finding is related to the old ...and healthy,' he said. "Eda gene mutations cause a disease in humans, but not in the fish. So this is the first time mutations have been found in this gene tha...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...rolled by the same gene that creates this clinical disease in humans. And this finding is related to the old ...and healthy,' he said. "Eda gene mutations cause a disease in humans, but not in the fish. So this is the first time mutations have been found in this gene tha...

Studies reveal methods viruses use to sidestep immune system

...ut down HCV replication. Hepatitis C is a chronic disease that affects 4 million people in the United States, making it the nation's most common blood-borne infection. It is transmitted primarily through intravenous drug use, blood transfusions or blood products, as well as through sexual contact and is the...

Development of portable infectious disease detector

...ical professionals and HIV patients tomanage their disease in a way that is similar to how diabetes patientscan monitor their condition since the introduction of home bloodglucose detectors." The collaboration's goal is to produce its firstportable HIV monitor within two years. In addition to such "point ofc...

Potential Cure for Lymphoma in HIV patients

...oma, but not forpatients who suffer from both this disease and HIV. A new study showingthat this treatment is...nging, due to both the high incidence ofrefractory disease and the high risk of treatment-relatedcomplications. The ability of high dose chemotherapy as demons...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

...and similar compounds may reduce cancer and kidney disease late in life, but also may lead to cartilage degeneration and impaired memory and learning ability, according to research at Wake Forest University Baptist Medical Center and four other institutions. The researchers used a rat model to explore the e...

New SARS Protein Linked To Important Cell Doorway

...nt contributor to the SARS virus' ability to cause disease and death. When the SARS virus first jumped from its still unknown animal reservoir to humans in late 2002, it caused approximately 800 deaths and 8,000 infections in several Asian countries. Months before SARS became available for direct study, Was...

NIAID Initiates Trial of Experimental Avian Flu Vaccine

...nd children. H5N1 avian influenza leads to severe disease in both birds and humans. Between January 2004 and March 11, 2005, there were 69 confirmed cases of and 46 deaths from H5N1 infection in humans reported to the World Health Organization. To date, there has been a small number of cases where human-to-...

New studies suggest airborne SARS transmission is possible

...mission could adequately explain the spread of the disease in the outbreak, and hence we feel that the evidence is quite strong." An editorial accompanying the Toronto study, by Tommy Tong, MBBS, of Princess Margaret Hospital in Hong Kong, emphasized the scientific significance of discovering SARS coronavir...

Gene vaccine for Alzheimer's disease shows promising results

...otein-based vaccine to slow the progression of the disease in itsearly stages. UT Southwestern researchers ha...amyloidas well."Current treatments for Alzheimer's disease focus on the symptoms sinceno therapies have been clinically proven to slow or prevent progressionof...

Scientists identify molecular events that drive cell senescence

...otein-based vaccine to slow the progression of the disease in itsearly stages. UT Southwestern researchers ha...amyloidas well."Current treatments for Alzheimer's disease focus on the symptoms sinceno therapies have been clinically proven to slow or prevent progressionof...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...000 men will bediagnosed with prostate cancer. The disease is the second most commontype of cancer found in American men, and approximately 29,000 men willdie from prostate cancer this year.Many cases of prostate cancer depend on androgens like testosterone fortumor growth and cancer cell proliferation, said...

The very unexpected life and death of a leukemic cell

...chronic lymphocytic leukemia (CLL) is an incurable disease in which cells in the bone marrow grow and survive...l and malignant (leukemic). The progression of the disease is slow and there has been a lack of information regarding the rate of production of CLL cells, and ...

The Bacteria's guide to survival

... bacteria responsible for the sexually transmitted disease gonorrhea. By comparing cells infected with normal N. gonorrhoeae to those infected with a mutant strain with defective pili, the researchers found a subset of 52 host genes that had higher activity when the host was infected with the normal bacteri...

Boosting HIV screening can increase survival and is cost effective

... excellent return on investment. "HIV is a severe disease that, left untreated, produces substantial morbidity and mortality," said Paltiel. "It has a long asymptomatic phase, which can be diagnosed using very effective, inexpensive tests. Most importantly, early detection speeds linkage to proven, life-pro...

RNA project to create language for scientists worldwide

...ide discover the roles of RNA in genetics, health, disease and the development of organisms. The rapidly growing body of knowledge has created the need for researchers to develop a shared vocabulary and system for describing, cataloging and comparing their findings. An international team of RNA scientists, ...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...n to complete tooth loss. People with periodontal disease also are at increased risk of stroke and heart attack, and the disease makes it difficult to control blood sugar levels in people with diabetes. If that’s not bad enough, ...

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