From embryo to placenta, gene transfer in primates a success
...first time a gene that has been transferred into a primate embryo has been shown to be functional throughout ...e carried successfully to term, demonstrating that primate embryos with working transgenes are a viable experimental model for exploring how the maternal immun......ks per day.) Schneider explained that not only do primate studies allow greater generalization to humans tha...atomy at the University of British Columbia. "The primate model is very powerful in this case because it allows researchers to carry out sophisticated neurobe...Earliest human ancestors discovered in Ethiopia
...was up to this point the oldest known hominid, the primate zoological family that includes all species on the human side of the evolutionary split with chimpanzees. The fossil finds, reported in the July 12 issue of Nature, were made by National Science Foundation (NSF)-funded scientists over a four-year per...How did we get so smart? Study sheds light on evolution of the brain
...ndings support the "social intelligence" theory of primate evolution, which holds that prehuman ancestors were at an advantage for survival if they excelled at complex social dynamics such as working in groups and predicting the behavior of others. Wang and colleagues based their work on a 20-year-old databa...A neurogenetic approach to alcoholism
...rotonin and alcoholism. They reviewed a number of primate and human studies to form an integrated perspectiv...e effects." Heinz spoke of two kinds of studies, primate and human, that demonstrated the relationship between serotonergic dysfunction and alcohol use and/o......on's red colobus is the first documented case of a primate extinction in the 20th century. The scientists who...habitat loss. "We suggest that the lack of recent primate extinctions is fostering complacency, and that such complacency may allow taxa to become extinct tha...Scientists reveal new HIV vaccine target
...ts have shown for the first time, using a nonhuman primate model, that the AIDS virus avoids the body's strongest immune responses during the first few weeks of infection. The finding, which appears in the Sept. 21 issue of Nature, opens the door to new vaccine directions. "We have discovered a potentially p...No AIDS-related viruses or chimpanzee DNA found in 1950's-era polio vaccine
...he tests identified DNA from only one species of primate - the Asian macaque monkey, not the chimpanzee - in the Wistar vaccine samples. The two former Wistar scientists who developed the vaccines, Dr. Hilary Koprowski and Dr. Stanley Plotkin, have long maintained that no chimpanzee cells were us...Carnegie Mellon's Carnegie Symposium on Cognition
...erstanding of the visual world and studies done in primate labs. The third day (June 4) of the conference will be devoted to discussing what happens when a person can perceive the basic elements of a familiar object but cannot recognize them. University of California at Berkeley Psychology Professor Stephe...Brookfield Zoo hosts international ape conference
...erence convenes at a critical time for our nearest primate relatives," said George B. Rabb, president of the Chicago Zoological Society and director of Brookfield Zoo. In serious danger of extinction, ape populations in Africa and Asia are rapidly decreasing because of habitat destruction from logging, mini......directly from birds to humans. Potential non-human primate reservoirs for HIV-1 and HIV-2 have also been found. Daszak said that natural reservoir hosts for such feared disease as Ebola have been more elusive, though bats and some small forest-dwelling mammals have been tentatively implicated. Researchers ......towardestablishing genetically modified, non-human primate models for the study of causes and cures forhuman ...edy underscores the urgency of obtaining non-human primate models before testingbegins on some desperately ill patients," said Schatten. "While gene therapy pr...A relative of smallpox is first virus found to invade cells as HIV does
...h CCR5 receptors and the myxoma virus in mouse and primate cell lines. The researchers discovered that by introducing a high concentration of one protein, called RANTES, that normally binds to the human CCR5 receptor, they were able to prevent infection by the myxoma virus. Presumably, this occurred because ...Shedding light on the origin of primate color vision
...her than in higher primates, pushing the origin of primate color vision back roughly 20 million years. Previously it was thought that color vision first evolved in the common ancestor of higher primates about 35-40 million years ago. The new research pushes the origin of color vision in primates back to abo...Yale and Alexion report advance in spinal cord repair
...th transgenic pig cell transplantationinto injured primate spinal cords reflect the results we've seen earlie... transplantation into the damaged spinal cord of a primate represents aparticularly important milestone in view of the high degree of similaritybetween the pri......tion of immunoprotected pig neurons into non-human primate models ofParkinson's disease resulted in successful engraftment and function of thetransplanted cells. Presented here at the 29th Meeting of the Society forNeuroscience, the study shows that the acceptance of the engrafted cells wasenhanced through ...Primitive primate makes the case for Asian anthropoid origins
...teeth and jaw fragments from a new species ofearly primate found in Myanmar lend support to the idea that the...e of Science , may alsoshed light on what kind of primate was the likely predecessor to this monkey/apegroup. Researchers from the Myanmar-French Pondaung Exp...Scientists discover addition of new brain cells in highest brain area
...ional view among neuroscientists has been that the primate brain isdifferent from other organs in that it is ...ess neurogenesis. "What youcan say now is that the primate brain is more like that of songbirds," saysNottebohm, who believes that theories of the brain have b...New molecular clues to herpes control
...out 70%. In laboratory tests on tissue cultures of primate and human cells, the UNCresearchers demonstrated that JNK is activated three to four hours after theherpes virus infects the cell. The enzyme functions along a signaling pathwayinvolved in responses to stress signaling. They found that JNK activates ......red 'living dead'." Cowlishaw determined how many primate species are likely to go extinct inAfrican forests...Nigeria) could lose a third tohalf of their forest primate species within decades. Actual extinctions could bemuch higher because West Africa is expected to lo...