Common cancer gene controls blood vessel growth
... needed blood source to tumor cells. The new study concludes that the Id1 gene controls the angiogenesis pathway in certain cancers by turning off the production of a protein, thrombospondin-1 (TSP-1), a naturally occurring angiogenesis suppressor. "We found activation of the Id1 gene, which is highly expresse...Tourists, soothsayers & scientists try to predict peak Fall foliage color
...on to be published in the journal Tree Physiology, concludes that "nutrient stress, particularly low nitrogen, can instigate early and more intense red color in maples." Others contributing to the research are: Program Chair of Forest Ecology John Shane, Professor Emeritus John Donnelly and UVM alumni Paula Mu...Fragmentation may be linked to local amphibian extinctions
...Celsius higher in field than in forest. Rothermel concludes that conserving amphibian populations in highly fragmented forests may require connecting their habitat patches. "The results of this study suggest that juvenile amphibians might preferentially use corridors of natural vegetation," she says....After massive experiment, results favor wildlife corridors
...y insects and the dispersal of seeds by birds and concludes that corridors encourage the movement of plants and animals across "fragmented" landscape. The findings of the study are important, its authors say, because it is based on a much larger and more ambitious experiment than typically attempted. "This is...Rockefeller researchers provide the first functional evidence for mammalian pheromone receptors
...tion of the counterparts of these genes in human," concludes Mombaerts....Cloning pigs and drug discovery among 'hot' topics
...rt and Spa in Hollywood, Fla., began on Sunday and concludes this Friday. Xenotransplantation, or cross-species transplantation, is viewed as one answer to the critical shortage of human organs for transplantation. Because the immune system barriers are so great between humans and animals, the field has been d...Public health report stresses worker protection as key component of homeland security
... be improved under a unified command. The report concludes with recommended elements of a training preparedness initiative by the NIEHS Worker Education and Training Program. For more information on the kinds of follow-up studies being conducted on rescue and other workers and on residents and workers nearb...UK scientists crack lobster shell colour puzzle
...dyestuffs an interesting new capability. "It also concludes painstaking research begun by this UK team in 1995, and finally settles a question which has continued to intrigue biologists since Nobel Prize winner George Wald first drew attention to it in 1948." In order to gain insight into the mechanism of the...University of Georgia researchers link increased risk of illness to sewage sludge used as fertilizer
...es and sporadic deaths among residents. The report concludes that certain types of exposure, such as inhalation of sludge particles, "were not adequately evaluated" previously and no work has been done on risks from mixtures of pathogens and chemicals found in sludge. In 1989, an EPA study found 25 groups of p...Fertility treatments increase incidence of twins at a cost
...r report, "The Returns to Increasing Body Weight," concludes that there are "real payoffs" to interventions that help pregnant women increase their babies' weight at birth. In 1994 and 1995, the researchers collected data on female twins from the Minnesota Twins Registry, the largest birth-certificate-based tw...Hormone replacement therapy may help prevent heart vessel disease, says Wake Forest researcher
... After reviewing recent clinical trials, Clarkson concludes that mounting evidence supports the probability that estrogen therapies can serve as a primary prevention against cardiovascular disease. For example, the Estrogen in the Prevention of Atherosclerosis Trial (EPAT), conducted by Dr. Howard Hodis at th...Physics tip sheet #18 June 19, 2002
... looks at the electrical properties of the gel and concludes that it is has the right characteristics to play a vital role in electrical sensing. Journal article: http://link.aps.org/abstract/PRE/v65/e061903 4) Nano-flashlight C. Favre, V. Boutou, S. C. Hill, W. Zimmer, M. Krenz, H. Lambrecht, J. Yu, R. ...Loss of lean body mass in HIV-infected men linked to immunological processes
...important determinants of change in LBM and REE. concludes that the similarity of findings between an examination of rheumatoid arthritis and HIV infection suggests that the link between PBMC production of cytokines and interleukin may be a primary cause of cachexia in the HIV infected male. Recommendations...Domestic violence causes long-term health consequences for women
A Johns Hopkins University School of Nursing study concludes female victims of physical and/or sexual abuse have a significantly higher rate of common health problems, even after the abuse ends, compared to women who have never been abused. In a study of 2,005 well-educated, middle-class, Caucasian and African...Other highlights in the May 1 issue of JNCI
...ther than the first half of their menstrual cycle, concludes a study in the May 1 issue of the Journal of the National Cancer Institute . Richard R. Love, M.D., of the University of Wisconsin School of Medicine, and his coworkers compared survival outcomes of premenopausal women who underwent mastectomy alon...Search for schizophrenia genes takes an unplanned turn
...scoured the chromosome in more than 1,900 patients concludes it isn't there. "The bad news is we couldn't find it, but the good news is we can now concentrate on other regions of the genome, such as chromosomes 6, 8 and 13," says Ann Pulver, Sc.D., associate professor of psychiatry at Johns Hopkins and co-aut...Strange signals from breastfeeding
...Chemoreception Sciences in Sarasota, Florida. She concludes that the chemicals encourage other women to reproduce, and that they may have evolved as a signal that the environment is suitable for raising young. In many cultures, newly-wed young women are encouraged to spend time around new mothers to increase ...Anti-inflammatory drug fails to prevent a hereditary colon cancer
...development of polyps or subsequent colon cancer," concludes Frank Giardiello, M.D., division director of gastroenterology/hepatology, professor of medicine and oncology, and director of the study. "In medicine, learning what doesn't work is just as important as learning what does work," adds Giardiello. "Pri...Human ancestor Australopithecus did indeed walk upright
...olved into an efficient weight-bearing pillar." He concludes that the differences in spinal anatomy between humans and Australopithecines are not just due to gross size differences but are more likely to be biomechanical differences. "Australopithecines were likely habitual bipeds, but differed in overall s......associated with a reduced risk of prostate cancer, concludes a study in the March 6 issue of the Journal of the National Cancer Institute. Previous research has suggested that frequent consumption of tomato products or lycopene, an antioxidant in tomato sauce, may be associated with a lower risk of prostate ...