Gene tug-of-war leads to distinct species
...ng egg or sperm development. Imprinting physically marks a gene in such a way that the parental origin of the gene can be distinguished and expressed accordingly. Most imprinted genes seem to govern fetal growth regulation, explained Shirley M. Tilghman , an HHMI investigator at Princeton University. Som...... financed the German groups with 23 million German marks over 5 years. Based on the scientist's results, we know today that chromosome 21 contains 225 genes: 127 of them are clearly characterized genes, whereas the remaining 98 have been discovered by computer gene predictions. Scientists use the fact th......tal of Pittsburgh and the University of Pittsburgh marks a new approach to the treatment of Type 1 diabetes, using gene therapy to improve islet cell transplantation for insulin replacement therapy and to treat neurologic complications. The goal of the center is to advance the practice of islet transplanta...New theory on the mystery of the origin of life proposed by Weizmann Institute scientists
...ells as we now know them? In this sense, the study marks the first footfall in a long journey to come. ...UNC opens first clinical trial of vaccine treatment for advanced breast cancer
...l. According to Serody, this vaccine trial also marks a first for UNC Lineberger: the translation of basic research to treatment totally in-house; that is, going from test-tube to mice to humans without collaboration outside of UNC. "Our group made the altered compound, did all the pre-clinical work i...Study finds rare juvenile turtles
...e individuals he first found in 1966. Identifying marks are carved harmlessly on each individual when it is first found, allowing scientists to correctly identify it in future years. Meticulous records track where each individual is found at each capture, which gives scientists a good idea of how the spe...International conference on heavy metals in the environment
...ue on the University of Michigan campus. This year marks the silver anniversary of the meeting that has attracted scientists from throughout the world since its first meeting in 1975. Scientists will discuss successes and failures of research on human exposure to toxic metals as well as future challenges ......this project. The Alliance For Cellular Signaling marks the first coordinated effort to describe the hundreds of pathways used by cells to convert a message from outside the cell into an appropriate response. This knowledge is essential to more efficient discovery of new drug treatments, said Paul Simpson...Pandas use sexy smells to attract partners
...h other's empty enclosures. The animals left scent marks and called out in response to smells left by the p.... Males much preferred female odours, especially marks left by ovulating females. "We believe the odour of oestrus enhances male arousal," says Don Lindbur...USGS finds West Nile Virus in North Carolina crow
...f Moncure died of the West Nile Virus. The finding marks the farthest south the virus has been identified. Moncure is about 40 miles southwest of Raleigh. North Carolina health officials announced the finding on Friday, October 20, 2000. The crow was found September 27, 2000, at Jordans Lake State Pa......at control gene activity and constitute imprinting marks for this region. As discussed by Feinberg and colleagues, these results provide the first global view of an entire imprinted region in any genome. In a related Genome Research study, Randy Jirtle and colleagues from Duke University have discovered a......ses present in the uncontrolled cell division that marks cancer. In normal cell division, a mother cell divides into two daughters and the division is regulated until it stops. In a skin melanoma, for example, the cell division inexplicably starts up again and continues unregulated. This study could help ...Carolina scientists the first to identify and purify liver stem cells
...g liver and bile duct tissue. The accomplishment marks a milestone for future liver regeneration through cellular therapy, a treatment that could drastically reduce the need for whole-organ transplant in people with a variety of liver diseases. The current list of patients awaiting liver transplantation ...New rare dinosaur tracksite found in northern Wyoming
...f grooves that appear to be the remains of scratch marks made by dinosaurs whose feet briefly touched a muddy bottom while they were swimming. The groove marks have a size and spacing consistent with terrestrial dinosaur tracks found elsewhere in the Gypsum Sp...Penn State researchers unravel key facts about how a virus exits a host cell
...he possibility of interrupting the budding process marks the significance of this recently published research. Working independently, scientists at Penn State College of Medicine, Harvard's Dana-Farber Cancer Institute and the National Institute of Allergies and Infectious Diseases (NIAID) of the Nati...Study provides new details of 'the birth of a virus'
...he possibility of interrupting the budding process marks the significance of this recently published research. Working independently, scientists at Dana-Farber Cancer Institute, Penn State's College of Medicine and The National Institute of Allergies and Infectious Diseases (NIAID) of the National Institut...Cloning can turn back the developmental clock
... random inactivation indicates that the epigenetic marks that distinguish the active and inactive X in adul...d animal," says Eggan. In contrast, the epigenetic marks on the active and inactive X in the donor cell are not removed in the early placental tissue of clon...Researchers identify gene common to many autism cases
...and the 24th days after conception. This time span marks the development of brain regions that later control the muscles of the eyes, face, tongue, jaw, and throat. Because mice engineered to lack the HOXA1 gene show similar patterns of brain and ear abnormalities, the researchers tested autism patients f...2000 FALL MEETING: updated press conferences, press registration, and other information
...dia interviews in Room 214 Moscone. (The quotation marks signify that we cannot guarantee how quiet the room will actually be, but it is reserved exclusively for this purpose.) It is available to press registrants on a first come basis for up to an hour at a time with these priorities: 1. On-camera TV an...New drug blocks rheumatoid arthritis early on, with few side effects
...ple with advanced rheumatoid arthritis, this study marks a new use for etanercept as an early treatment. The study compared etanercept with the standard therapy, a drug called methotrexate. "Both methotrexate and etanercept slow or actually halt the progress of the disease, but etanercept is more effec...