Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...h bacterial infections. The findings included two surprises and may help scientists understand howthe immune system harnesses other physiological systems to regulate animalgrowth and disease. First, the receptors were found on cells in the pituitarygland, and, second, they were on somatotrope cells, which mak...Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
...rnal of the American Heart Association. One of the surprises of the study was that vitamin B-6 deficiency was stilllinked to heart disease and stroke in study participants independent of levelsof homocysteine. Previous research has suggested that high levels of this amino acid may be linked to heart disease a...Crystal Structure Of Key HIV Protein Reveals New Treatment Targets
...eral previously known features but also found some surprises in the crystal structure of the protein. "We discovered that a largepart of the gp120 surface is protected against attack by a dense array ofcarbohydrates and by an amazing capacity to change shape," says Dr. Sodroski. Among their findings were: ...Dismantling Dangerous Genetic Codes With A Faster, More Flexible RNA Mimic
... work to help usavoid being caught by any chemical surprises when we use them in a biologicalsystem. It's becoming a very popular assay." Bashkin says the antisense community is large and growing, and his concepts canbe incorporated into any of the antisense approaches. "Most (antisense) efforts are directed ......ore environment,"Estes said. "There were some big surprises in terms of the scale and the unlikely nature ofthis situation, but it makes a lot of sense that the whales have had to lookelsewhere for food when seals and sea lions declined," he added. Estes acknowledged that certain links in this chain of ecolo...Mutations not the only gene defect that leads to cancer
... of tumors." There were other surprises as well. DNA methylation in cancer was discovered about 10 years ago and until now, people believed that its role in cancer was limited to inactivating tumor-suppressor genes. ......istorian will undoubtedly continue to turn up many surprises about nature's operations....Scientists see early indications of lobster decline
... financial commitments. Nature may still have more surprises for us, and this trend could turn around. However, this is an excellent time for industry and managers to discuss the most appropriate actions so that the stocks and the fishermen both survive the fluctuations inherent in nature." This is the first ...Human genome analysis hints at new proteins involved in gene expression
...ression machinery. Green said, "in each case, the surprises are of the same type. When we looked for genes for certain types of proteins that were homologs to Drosophila , there was no reason to believe there would be more than a single protein. But in fact, we found homologs that there was no reason to susp...DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find
...rticular environment. The discovery is one of many surprises that have emerged in the past few years as biologists use DNA comparisons to distinguish species and chart family trees. More and more researchers are finding that what once were thought to be separate populations of the same species are, in fact, di...Two routes to cell death in the diseased kidney
...reatment. Schiffer et al. show here that there are surprises left in this widely studied and highly conserved pathway. Overexpression of TGF-b1 under control of the Albumin promoter causes apoptosis in renal epithelial cells and yields a model of glomerulosclerosis, a progressive disease involving glomerular f...MIT prof: Oceans at risk if policy tool not restricted
...tilization is environmentally benign. "What really surprises me is that theyre ignoring the results of years of research on aquatic ecosystems," including the negative effects of nutrient enrichment in lakes and coastal waters. She emphasizes that she and her colleagues are not against individual experiments ...Antarctic mud reveals ancient evidence of global climate change
...rients into coastal waters," he explains. Climate surprises Further analysis revealed other surprises. According to the researchers, Western Antarctica appears to have undergone periods of warming and cooling during the mid-Holocene - regular cycles lasting 400, 200, 140 and 70 years. "We believe these cyc...The new biology of rocks: 'Are there medical implications of geomicrobiology?'
...n conditions. In recent years, weve had unpleasant surprises in the form of emerging infectious diseases, Salyers said. This is a shock. You would think that any organism capable of causing disease would have done so by now. Yet it is clear that there are microorganisms that have not been discovered out the...Physics tip sheet #18 June 19, 2002
...culations show that the Casimir effect still holds surprises and that some common techniques for predicting the effects of these vacuum forces not only get the size of the force wrong but also the direction - sometimes it is repulsive. Furthermore, the direction is temperature dependent. Journal article: Avail......s." In fact, Vogel himself came upon his share of surprises when researching the book -- from the ubiquity of treadmills to the reasons why horses didn't replace oxen as beasts of burden. "I had no idea that there was this enormous history of treadmill technology for making animals and humans produce power w...Evolution of language: FOXP2 and human uniqueness in religious perspective
...ic value of other forms of life as well." Q: What surprises you about this report? A: "I'm not surprised that we would eventually discover and isolate such language-relevant genes as FOXP2. What may be harder to digest is that such a momentous outcome as language and culture seems to be so exquisitely depen...AAAS at the BA: Whale food, winners and losers in Antarctica and solar insights
... began to reveal the internal pattern of spin, big surprises emerged -- the pattern didn't conform to any previous expectations. The new insights into the Sun are based on today's understanding of motion in the Earth's stratosphere. That in turn depends on an older but nevertheless dramatic "paradigm ch......surfaces," Salmeron says. "Nature is always fullof surprises and all it takes is to look carefully to discover newthings."......d bone mass in a calcitonin knockout mouse full of surprises Bone is in a constant state of remodeling, during...:Calcitonin and bone formation: a knockout full of surprises CONTACT: Mone Zaidi Mount Sinai School of Medicine Annenberg 5, PO 1055 Division of Endocrinology On...