Assisted reproduction may be linked to birth defect syndrome
...ten caused by abnormal "imprinting" -- biochemical marks on DNA that tell the cell whether the gene copy ca...ding on the gene) to make proteins. If imprinting marks are lost, the cell may make proteins using both copies, or neither, causing abnormal growth, such as...Science picksLeads, feeds and story seeds (December 2002)
...sville, Va., is the first of 13 planned events and marks the 200th anniversary of Jefferson's dispatch of a letter to Congress asking for support of a federal expedition to the Pacific Ocean. The USGS, which carries on the Lewis and Clark legacy of surveying and monitoring the nation's natural heritage, w...Grant funds research to develop microbicide barrier to HIV
...onal Institute of Allergy and Infectious Diseases, marks the largest ever received thus far by project principal investigator Sharon Hillier, Ph.D., professor of obstetrics, gynecology and reproductive sciences and molecular genetics and biochemistry at the University of Pittsburgh School of Medicine. "I b...Herpes virus trashes detection mechanism to hide from immune system
...s a subtle change in the MHC class 1 molecule that marks it as waste. So instead of traveling to the cell surface as it should, the MHC class 1 molecule is shunted off to the side and destroyed. "The finding that mK3 requires chaperone molecules to function and hides out with them came as a surprise," say...School of Public Health awarded $30 million to develop and introduce pneumococcal vaccine
...partment of International Health. The announcement marks the first time that GAVI and The Vaccine Fund will fund vaccine research and development efforts. Since 2000, they have focused primarily on ensuring that today's vaccines are made available to every child, everywhere. An additional $30 million was g...DuPont science leader discusses 'Sustainability and Integrated Science for the 21st Century'
...s Gold Medal. DuPont has consistently earned high marks on social responsibility and environmental progress in surveys such as Fortune Magazine's "Most Admired Companies" and the Financial Times PriceWaterhouseCoopers "World's Most Respected Companies." As part of its sustainability mission, DuPont has ...Rutgers' Tanzanian fossil reshuffles the deck on early human ancestry
...th bones from larger animals that clearly show cut marks made by stone knives and hammer-stone impact marks. Blumenschine said that this associated evidence further corroborates the work of other scientists in demonstrating thecapacity both to make tools and to use them in butchering meat for food, even a...Potential blood test for colon cancer risk
...the gene. But if a gene copy loses its imprinting marks and is incorrectly activated or silenced, cancer and other diseases may result. "It's a battle of the sexes inside the genome, and each gene copy encodes different instructions to the cell," Feinberg says. "When you have LOI of the IGF2 gene in colo...Underwater sensor system could protect reservoirs, drinking water
...identity. Every node that receives that broadcast marks the uplink node as its parent node. These nodes then broadcast a signal. Every node that receives that signal, and has not yet identified a parent node, will record the signaling node as its parent and then broadcast to even more distant nodes. A ...Getting a handle on sensitive cycles
...aded with another molecule called ubiquitin, which marks them for destruction by proteasomes. "With active receptors, the end result is the same, but the sequence of events is a bit different," Reid says. "The active receptor summons other molecules to read the information in the DNA and transcribe it into...Nick Smith (R-MI) honored by 2 science coalitions in D.C.
...oday's awards breakfast honoring Congressman Smith marks the coming together of the agricultural and biological sciences communities in recognition of the importance of a broader, single voice in support of the non-biomedical biological sciences."...Widespread cannibalism may have caused prehistoric prion disease epidemics, Science study suggests
...tions practiced cannibalism, such as cuts and burn marks on Neanderthal bones, and biochemical analysis of fossilized human feces. "There is extensive anthropological evidence that cannibalism is not just some rarity that happened in New Guinea," Collinge said....Fifty years later, famous photo is in OSU's Pauling collection
...om the paper clip on the photo matching those same marks on the manuscript," Mead said. According to a variety of accounts, including Watson's own memoirs, a colleague of Franklin's showed Watson and Crick the photo, not really understanding its significance at the time. Wrote Watson in his memoirs: "My m......isc for orientation. The discs also served as book marks for when activity wasinterrupted. If a predator were detected, the mice would retreatto shelter. Once the threat was over, the mice returned to thedisc. Stopka and Macdonald hypothesise that these signposts are moreeffective for wood mice than scent ...World's leading scientists issue unprecedented plan for protecting ocean and marine life
...ed exploitation, must be proactively managed. This marks a major reversal in thinking in ocean policy, since the ocean has for centuries been available for open access and exploitation. * Expand the Global System of Marine Parks: A vital component of ocean management includes formal protection for critic...... places. The researchers postulate that such scent marks represent visual as well as olfactory cues for the...ntists made a find when they scrutinized the scent marks that the degus use to mark their environment. Among the social behaviour patterns of degus is the us...160,000-year-old fossilized skulls from Ethiopia are oldest modern humans
...ominid individuals, hippopotamus bones bearing cut marks from stone tools, and more than 600 stone tools, i...dult's, too fragmentary to reconstruct, showed cut marks pointing to ancient mortuary practices, White said. The child's skull bore marks indicating that, af...Critical Therapeutics launches Phase I clinical trial of anti-inflammatory compound
...spital in the United Kingdom. CTI's Phase I trial marks the first time the compound will be administered i..." said CTI President and CEO Paul Rubin, M.D. "It marks CTI's first clinical trial in the Company's brief history and is especially notable because CTI-01 w...DuPont receives US EPA's Presidential Green Chemistry Award for new innovation
...s Gold Medal. DuPont has consistently earned high marks on social responsibility and environmental progress in surveys such as Fortune Magazine's "Most Admired Companies" and the Financial Times PriceWaterhouseCoopers "World's Most Respected Companies." As part of its sustainable growth mission, DuPont ...OXiGENE announces launch of ophthalmic clinical trial at The Johns Hopkins School of Medicine
... perspective, this trial is significant because it marks the first study of a vascular targeting agent, ini...Blindness, commented that the Combretastatin trial marks the first time that FFB has provided financial support of an FDA-approved clinical trial for neovasc...