Researchers find candidate gene for premature menopause
...emature menopause, also known as premature ovarian failure (POF)*, a condition affecting one in a hundred women under the age of 40 and one in a thousand under the age of 30. Women as young as teenagers can suffer this distressing condition and although some retain a measure of ovarian function and even beco...2000 FALL MEETING: updated press conferences, press registration, and other information
..., December 18 11:00 AM Predicting submarine mass failure and tsunami hazards Prior to the 1998 tsunami in Papua New Guinea, earthquakes were believed to be the only cause of these phenomena. Now, it is understood that like the PNG event, many major tsunamis have been caused, in part or completely, by subm...Researchers identify key to genetic replication in hepatitis C virus
...10,000 deaths per year in the United States. Liver failure due to hepatitis C is the leading cause of liver transplants in the United States, and about 25 percent of liver cancer cases in the country are associated with HCV. Although about 85 percent of those who are infected develop chronic infection, the v...Human reproductive success tied to mitochondrial organization in eggs
...a large step in predicting the eventual success or failure of the developing embryo," said Van Blerkom. If the microtubule arrays in the egg cell do not mirror each other at the initial cell division, half of the dividing cells, or blastomeres, may carry too few mitochondria. Mitochondria are passed on mate......ing parvalbumin therapy to treat progressive heart failure in humans," Metzger says. Exacerbated by high-fat diets and not enough exercise, heart failure is a growing medical problem affecting approximately five million Americans, with more than 700,000 ...Scientists isolate premature ovarian failure gene
...late 40s or early 50s. However, premature ovarian failure occurs in up to one percent of women before age 40...t up to 30 percent of women with premature ovarian failure have at least one female relative with the same condition, strongly suggesting many cases might be i...Scientists discover "missing link" between rare disease and inherited forms of breast cancer
...sorder that causes children to develop bone marrow failure by age five, leaving them unable to produce oxygen-carrying red blood cells. While a bone marrow transplant can cure the failure, many patients go on to develop cancer as young adults - usually leukemia, but also tumors of the brain, head and neck, ...Volcanic ash detector boosts air safety
...d composite surfaces to engine destruction. Engine failure associated with ash cloud encounters is a major safety hazard. The collaboration, between Australia's federal science agency, the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and Integrated Avionic Systems, was announced las...Johns Hopkins-led team discovers gene defect linked to lung disease
...g metabolism, leaving infants prone to severe lung failure and collapse. The finding also suggests that while SP-C may not be critical for respiratory adaptation at birth, it is important for normal lung function. "Very little is known about the underlying causes of interstitial lung disease," says Nogee, th...Scientists discover a genetic cause for severe complication of the autoimmune disease lupus
...s heart and lung inflammation, and leads to kidney failure in about 10 percent of patients. There appears to be no single genetic cause for lupus, but recent research has focused on failures in the immune system's normal ability to rid the body of rogue antibodies. When the immune army is not appropriate...Drug resistance found to vary by ethnicity
...gs used to control high blood pressure and prevent failure of kidney transplants. Working with collaborators in five countries, McLeod and his colleagues did DNA tests on blood samples from 1,280 people from 10 ethnic populations. The researchers studied Ghanaian, African American, southwest Asian, Britis...Mechanism for generating autoimmunity-suppressing cells identified
...gnition of the bodys own proteinsor selfand that a failure to make a complete repertoire of regulatory T cells may be an important factor in the development of autoimmune disease. In addition, the study suggests that engineering different types of regulatory T cells in the laboratory could one day become a s......hemotherapy can result in a high rate of pregnancy failure and malformation." More research was needed to kno...f cyclophosphamide - for example to prevent kidney failure in lupus nephritis....UCSD researchers create a home for liver cells on a silicon chip
...ould be used to keep patients suffering from liver failure alive until they are able to receive a transplant, or even until their own liver recovers from injury, avoiding the need for a transplant altogether. To investigate whether normal liver cells could survive on a porous silicon chip, Bhatia, w...Panda habitat not protected by nature reserve, say Science researchers
...Wolong's ecological fate represents the success or failure of tremendous conservation efforts" made by the government and other organizations, write the study's authors. "The effectiveness of protected areas needs to be thoroughly examined and monitored, and new approaches that integrate ecology, demography...New molecular key to disposal of dying cells
... of the retina's inner layer. In animal studies, a failure of retinal pigment epithelial cells to clear outer segments of cells that had been shed resulted in the death of photoreceptors. "Indeed, preliminary studies indicate our mice carrying the defective Mer show retinal degeneration," Matsushima said. M...New satellite study shows vegetation increases in North America
...y U.S. industry played a pivotal role in the April failure of the worlds nations to ratify the Kyoto Protocol that would have reduced global CO2 emissions....DNA evidence calls Irish potato famine theory into question
...sh potato famine of the 1840s, a catastrophic crop failure that killed more than 1 million people, forced another 2 million to immigrate to America and other countries, and changed the course of European and American history. It turns out they were wrong. A new study by scientists at North Carolina Sta......e case of heart disease, humans typically die of a failure to get enough oxygen to cells," he said. "Cells deprived of oxygen for too long, particularly brain cells, typically undergo apoptosis - a form of cell suicide. If that happens and you live, you suffer from brain damage." Some humans, for unexplained...Chronic Lyme disease symptoms not helped by intensive antibiotic treatment
...o the disability of patients with congestive heart failure and osteoarthritis. Some patient were also found to have cognitive impairment. The antibiotic treatment component is only one piece of NIAIDs comprehensive clinical studies on chronic Lyme disease, adds Phillip J. Baker, Ph.D., who oversees NIAI...