Small-scale logging leads to clear-cutting in Brazilian Amazon
...intimately linked--that the thinning begets forest replacement by cattle pastures and swiddens." Overall, the researchers found that selective-logging operations in the Brazilian Amazon were conducted using highly damaging techniques. Encouragingly though, they also found that federally regulated preserves wer...Rhode Island physician honored nationally for establishing first HIV menopause clinic
...ugh sexual contact. Determining the effect hormone replacement therapy (HRT) has on HIV-positive women also remains to be seen. Cu-Uvin has spent most of her medical career caring for people with HIV, particularly women. For the past 10 years, her research has been focused on how HIV is shed in the genital tr...Neural stem cells derived from human embryonic stem cells carry abnormal gene expression
...ells, a process that might one day be used to grow replacement cells to treat such debilitating diseases as Parkinson's and Alzheimer's. However, the neural stem cells expressed a lower level of a metabolic gene called CPT 1A, a condition that causes hypoglycemia in humans. The study may shed new light on be......tated or deleted [to cause a disease] and its gene replacement is difficult or impractical, then our work shows that the 'liver copy' potentially could be recruited to do the brain functions," Tvrdik says. In other words, regulatory elements from the brain gene might be inserted into the liver gene to reconst...Vultures at risk from deadly traces of pain killer
...ict veterinary use of diclofenac and encourage its replacement by meloxicam." The governments of India and Nepal have both recently placed legal restrictions on veterinary diclofenac. From 12 August 2006 the production and importation of veterinary diclofenac is no longer permitted in India, and Nepal has also...Promising new research on hereditary diseases
... us to learn a great deal about the future of cell replacement therapy. Participants also learned about signif...a reliable and renewable source of tissue for cell replacement therapy. Interesting and promising pilot research findings were presented using high dose creatine...Adult stem cells are touchy-feely, need environmental clues
...m ineffective in fixing the damage by turning into replacement cardiac muscle. "The cardiac tissue may have been so damaged during the heart attack that the stem cells do not recognize the microenvironment as a guide for turning into heart muscle," Discher said; "however, our studies show that it might be pos...Chimpanzees can transmit cultural behavior to multiple 'generations'
...of memory; determine behavioral effects of hormone replacement therapy; address vision disorders; and advance knowledge about the evolutionary links between biology and behavior....JCI table of contents: September 1, 2006
...u say estren, I say estrogen. Let's call the whole replacement off! AUTHOR CONTACT: Ushma S. Neill The Journal of Clinical Investigation, New York, New York, USA. Phone: 212-342-0497; Fax: 212-342-0499 E-mail: editors@the-jci.org . View the PDF of this article at: https://www.the-jci.org/article.php?id=29...An artificial cornea is in sight, thanks to biomimetic hydrogels
...al cornea. "The dream would be to have a corneal replacement that's sterilized and dehydrated and sent off to the hospital or battlefield, and rehydrated," Frank says. Beyond blindness Other ocular applications of the hydrogel include more comfortable contact lenses. Onlays of hydrogel lenses on the surfa...Will stem cell-based treatments make a difference to the developing world?
...op-ranked application was novel methods of insulin replacement and pancreatic islet cell regeneration for diabetes. The panelists ranked this number one because of the high prevalence of diabetes in developing countries and the major health, social, and economic burden that results. Panelists emphasized that co...Replacing insulin is top-ranked breakthrough foreseen for health in developing world
...auses. It moves beyond traditional transplant and replacement therapies to include the use of stem cells, solubl... placed atop their list: "Novel methods of insulin replacement and pancreatic islet cell regeneration for diabetes." Many panellists noted the heavy health, soc...ACS Weekly PressPac -- September 6, 2006
...uel cartridge, they say. Research on these battery replacement fuel cells suggests they are safer for the environment than regular batteries. CONTACT:Don Gervasio, Ph.D. Arizona State University Biodesign Institute's Center for Applied Nanobioscience Tempe, Arizona Office: 480-727-8169 Fax: 480-727-8283 e-ma...Raloxifene reduces breast cancer risk in postmenopausal women at all risk levels
...25, higher estradiol levels, prior use of estrogen replacement and a family history of breast cancer - use of raloxifene reduced incidence of breast cancer when compared to a placebo drug," Dr. Lippman said. "But it also reduced incidence in each of those variables that should have lowered risk, such as younger ...Other highlights in the September 20 issue of JNCI
...cer Women who use estrogen or combined hormone replacement therapies may be at increased risk for endometrial cancer. Researchers have wondered whether that risk is associated with variations in the genes that regulate estrogen metabolism. Timothy Rebbeck, Ph.D., of the University of Pennsylvania School o...Recycled paper and compost could both be key tools to control plant disease
...d Resource Action Programme (WRAP), found that the replacement of around 20% of the volume of soil or peat by compost gave major disease control benefits. Professor Ralph Noble's latest research appears to add another ecological benefit. Early results from trials with conifers using compost made from paper was...Preventive ovary removal linked to early death in younger women
...ved surgically and do not receive adequate hormone replacement therapy are more likely to die from several causes, according to an Article in the October issue of The Lancet Oncology. Deaths from hormone-related cancers and diseases of the brain or cardiovascular system increased by 1660 times for women in this ...Breakthrough by MUHC researcher has major implications
...ic manipulation and paves the way for a human gene replacement trial of a related LCA gene (RPE65) in early 2007. If this trial is successful, gene replacement therapy may not be far off. Prior to Dr. Koenekoop's discovery, LCA had been linked to mutations in...Ethnic variations in hormone levels may cause differences in breast cancer risk
...pausal women in the cohort who were not on hormone replacement therapy. After adjusting the hormone levels for age, body mass index, and other lifestyle factors, they then compared the levels to their ethnic/racial groups' breast cancer incidences. The study is the largest analysis of hormone levels by ethnic g...Binghamton University researcher makes major biofilm dispersion breakthrough
...root this past summer of corrosion that forced the replacement of 16 miles of the Alaska pipeline. As a result of that incident, 400,000 barrels a day of production from the largest oil field in the United States was suspended. The indefinite shut down, at a cost equal to 8 percent of U.S. petroleum output, led ...