Research team develops nonhuman primate model of smallpox infection
...Jahrling and his colleagues exposed 36 cynomolgous monkeys to one of two variola strains, Harper and India 71...end-stage lesions resembling the human disease, in monkeys exposed by the combined route of infection. According to the authors, death usually occurred within ...New study on smallpox in monkeys reveals tactics of a killer
Results of a new study in monkeys offer scientists a rare glimpse of how, on a molec... Stanford University, show that cynomolgus macaque monkeys exposed to smallpox virus can develop a disease similar to human smallpox. Previously, scientists th...Where in the brain decisions are made
...he lateral intraparietal (LIP) area is active when monkeys are making subjective internal decisions about the...licited the same mixed strategy. They then trained monkeys to play a version of the game against the computer, in which the animals were required to choose to ...Experimental drug prevents vaginal simian HIV transmission in monkeys Science study says
...monkeys. Scientists coated the vaginal surfaces of monkeys with an experimental drug 15 minutes before exposu...es SHIV infection. Next, the researchers split the monkeys into six groups of five, anesthetized them and intravaginally treated them with one of five concentr...Perceptual decision-making hub pinpointed in human brain
...ober 14, 2004 Nature. Although earlier studies in monkeys had suggested that such a decision-making hub exists, its location in the human brain was not previously known. The researchers took advantage of the fact that it takes the brain longer to figure out what it's looking at when an image is very blu...Study identifies target for preventing sexual transmission of HIV
...emokine to the vaginal membranes of rhesus macaque monkeys and challenged them with high doses of a virus that combined the outer surface of HIV and the inner workings of SIV so called SHIV. The solution was successful in protecting the macaques without any detectable side effects. "There is still a lot of...Pesticides may promote Parkinson's disease and exercise may offer protection
...f Parkinson's in humans. In this pilot study, two monkeys were treated with rotenone--one at Greenamyre's laboratory at Emory University and the other at the University of Washington laboratory of Marjorie Anderson, PhD. The rotenone was administered subcutaneously to the animals over a period of 18 months ...Stress impairs thinking via mania-linked enzyme
...ctively targeted the prefrontal cortex in rats and monkeys performing working memory tasks with PKC activators, inhibitors, norepinephrine-like and stress inducing drugs alone and in combination. They also found that by blocking PKC, the anti-manic drugs lithium and carbamazepine protected monkeys' prefront...New study links low fish supply to increased bushmeat hunting
...uded buffalo, antelope, jackals, lions, elephants, monkeys and baboons. The information was compared with the supply of fish in the region during the same time period, as determined by data from the United Nations Food and Agriculture Organization (FAO). The researchers found a stunning 76 percent dro...UT Southwestern researchers trace how virus that causes AIDS spreads following oral exposure
...e body following an oral exposure. By innoculating monkeys with SIV, the simian version of HIV, scientists tr... internal medicine and microbiology. In the study, monkeys were infected with SIV administered onto the cheek pouch of the rhesus macaque, likely coming into c...Research led by UGA professor reports first routine tool use by wild capuchin monkeys
...nvil" site in northeastern Brazil, these cat-sized monkeys routinely crack palm nuts, which grow in clusters ...ildlife magazine. The dramatic pictures showed the monkeys lifting improbably large stones to crack palm nuts, which had been put in scoured "anvil" areas that...New monkey discovered in Northeastern India
... hunt the macaques for food or sport, they do kill monkeys in retaliation for crop raiding. Further studies will determine whether the Arunachal macaque should be included on the World Conservation Union's (IUCN) Red List of Threatened Species and Schedule I of the Indian Wildlife (Protection) Act of 1972. ...University of Chicago researchers discovered that humans are a 'privileged' evolutionary lineage
...es of ASPM and Microcephalin in the more primitive monkeys and in cows, sheep, cats, dogs, mice and rats, showed no evidence of accelerated evolutionary changes. Lahn also is considering the wider impact of this research. "Are the genes involved in the evolution of the human brain more likely to be linked to...JCI table of contents, 3 January 2005
...t and subsequently transplanted these neurons into monkeys treated with an agent called MPTP, which is consid...e a difference observed between transplantation in monkeys and humans, Langston stresses that it may be necessary for far more DA neurons to survive and for th...Transplantation of monkey embryonic stem cells reverses Parkinson disease in primates
...t and subsequently transplanted these neurons into monkeys treated with an agent called MPTP, which is consid...e a difference observed between transplantation in monkeys and humans, Langston stresses that it may be necessary for far more DA neurons to survive and for th...Brown scientists uncover inner workings of rare eye cells
...ies and squid than in spined animals such as mice, monkeys or humans. "The results may well tell us that this is an extremely ancient system in terms of evolution," Berson said. "We may have a bit of the invertebrate in our eyes." The research team from Brown included lead author and post-doctoral research a...Brain 'avalanches' may help store memories
...ry, since they have been recorded in the brains of monkeys and rats after they perform memory tasks, Beggs said. "The fact that the most stable activity patterns appeared when the network of brain cells was also producing avalanches hints that the brain may actually use avalanches to store information," Beg......ive individuals, and, according to this new study, monkeys will also "pay" to view these kinds of images. Bot... attributes. While previous studies had shown that monkeys would work to see other monkeys, no one knew whether the value they placed on seeing other individua......ial replication of clade C in primary infection of monkeys aids our understanding of the spread of human HIV-1 clade C. The study will appear in the February 1 edition of the Journal of Clinical Investigation. TITLE: HIV-1 clade promoters strongly influence spatial and temporal dynamics of viral replication......ate on savannah antelope and certain ground-living monkeys today is around 6 percent to 10 percent as well. Sussman and Hart provide evidence that many of our modern human traits, including those of cooperation and socialization, developed as a result of being a prey species and the early human's ability to...