Clues to future evolution of HIV come from African green monkeys
... sequences to sort out the ancestral relationships among the different species of monkeys. Other researchers had already constructed phylogenies for the four different SIVagm that showed their relationships. "We put together, for the first time, a really solid phylogeny for African green monkeys, which w...Gene discovered for type 1 diabetes in children
...atients genotypethe specific pattern of variations among an individuals 30,000 genes. Established in the summer of 2006, the center is taking on one of the largest genotyping projects in the world, and is the largest one dedicated to genetic analysis of childhood diseases. This study is the first one tha...... key intracellular messenger protein that directs, among other things, cell growth and proliferation. Over-expression of the Ras oncogene, or of its growth-promoting pathway, is an integral step in the development of a number of human cancers, particularly pancreatic and lung cancer. Unfortunately, though...Serica scientists win AOSSM Award for ACL (knee) tissue regeneration in preclinical study
...injured knee ligament, and is a very common injury among athletes. Female athletes are known to have a higher risk of injuring their ACL. Currently, 200,000 surgeries are performed each year in the U.S. to repair a torn or damaged ACL....Researchers witness natural selection at work in dramatic comeback of male butterflies
...ria that selectively kill male offspring are found among a range of arthropods, so what was seen in this study may not be unusual, despite the fact that it has never before been described in the scientific literature. Previous research has revealed some of the extraordinary ways in which insects adapt to t...CU researchers discover evidence of very recent human adaptation
...ifferences in genes that control brain development among the various geographical groups, as some researche...ry careful study of genetic differences within and among major human groups, and aimed to explain why certain parts of the genome differed," said Scott Willi...Research team discovers gallstone gene
...nd they often have to be operated. "Gallstones are among the gastrointestinal problems that incur the highest treatment costs," says Professor Dr. Frank Lammert, the Bonn-based specialist for internal medicine. Gallstones tend to be found at high levels within certain families. In particular, studies of ...Brightly colored birds most affected by Chernobyl radiation
Brightly coloured birds are among the species most adversely affected by the high levels of radiation around the Chernobyl nuclear plant, ecologists have discovered. The findings published online in the British Ecological Society's Journal of Applied Ecology help explain why some s...White blood cells are picky about sugar
...icates that neutrophils might actually distinguish among their targets. A scientist in the lab of Whitehead Member Gerald Fink has discovered that neutrophils recognize and respond to a specific form of sugar called beta-1,6-glucan on the surface of fungi. This sugar comprises just a small fraction of th...Antibody retards growth and induces death in liver cancer cells
...d increase in programmed cell death, or apoptosis, among the cancer cell lines compared to normal control cells. According to Dr. Monga, these results suggest that PDGFR offers an important new therapeutic target for the treatment of HCC. We are very excited because this is the first targeted therapy ...Revolutionary global environment fund announces $50M expansion
...southern India. These biodiversity hotspots are among 34 regions identified by CI as containing a high percentage of species found nowhere else and facing extreme risk, with at least 70 percent of their natural vegetation already lost. In Indo-Burma, only 5 percent remains in pristine condition. CEPF ...Argonaute 2 (Ago2) is unique among its family: It is the only one of the four mammalian Argonaute proteins that exhibits endonuclease slicer activity (facilitation of miRNA-guided cleavage of target mRNA). However, as Drs. Donal OCarroll and Alexander Tarakhovsky (The Rockefeller I...5 OHSU faculty members singled out for honors
...orthwest National Laboratory. He has investigated, among other things, the use of nano-sized particles of iron for cleaning up contaminants in groundwater, soil and sediments. Recognizing that most new frontiers of science are at the interface between disciplines, he has been a champion of developing inter...Kaposi sarcoma arises independently from multiple cells
Kaposi sarcoma is unique among cancers because most tumors grow from a small number of different cells, whereas nearly all other cancers arise from a single cell, according to a study published online July 10 in the Journal of the National Cancer Institute . Kaposi sarcoma, wh...Longest study finds reef fish need longer break
...s, partly as a result of competition for resources among different species. For instance, most parrotfish took some 10-20 years to recover, but then declined, perhaps as a result of competition from a variety of surgeonfish. A group of fish known as wrasses increased and then peaked in diversity and num...Boosting key milk nutrients may help lower type 2 diabetes risk
...est potential to help prevent diabetes, especially among those at highest risk for the disease. Examining...nearly a 15 percent lower risk for type 2 diabetes among individuals with the highest dairy intake (3-5 servings per day) compared to those getting less than...Decorated UH professor to help choose nation's top scientists
...ssor and the T.L.L. Temple Chair of Science, to be among 12 distinguished scientists who will evaluate nominees for the National Medal of Science. Chu, who in 1990 was named Best Researcher in the United States by U.S. News and World Report magazine, will serve on the Presidents Committee on the National M......erest. Science at Homestake-SUSEL Prominent among the experiments that require the ultra-low backgrounds realized at great depths are studies of the elusive, ghostlike sub-atomic particles known as neutrinos. In recent years, experiments at other underground neutrino laboratories have confirmed that...Study finds Western-style 'meat-sweet' diet increases risk of breast cancer in postmenopausal women
...d sweets -- the greater the risk for breast cancer among postmenopausal Chinese women. According to resear...he Fox Chase researchers identified dietary habits among women in the study based on their reported eating habits, classifying them as either meat-sweet or v...New research shows vaginal bacteria vary among healthy women, need customized treatment
...erences in the microbial composition of the vagina among women. Forneys interdisciplinary team of researc...obial ecosystem of the human vagina varies greatly among women. Those differences can lead to conditions that, if not diagnosed and treated correctly, may le...