Yin and yang -- Balance could play key role in progression of Alzheimer's disease
... research on the role of AB40 and hope that we can test this theory on human neurons, animal models, and someday in clinical trials. One critical advantage of using AB40 for the prevention or therapy for Alzheimers is that AB40 is already known to be largely free of side effects at near physiological conc...Rapid syphilis testing in Haiti will prevent congenital disease and stillbirths
...dicine finds that integrating a new rapid syphilis test into prenatal HIV testing programs in Haiti can pr...considered the standard in urban areas, is a blood test for antibody response to the syphilis bacterium -- an approach that requires a one-week waiting peri...Research center unites biomedical competitors to fund medical technology development
...ds and experimental techniques that can be used to test new interventionsfor example, computer-simulated scenarios to predict how human tissue responds to a device made of a specific material, or noninvasive methods to determine the physics of interactions between device and tissue," explains Haridas. T...Color vision drove primates to develop red skin and hair, study finds
...ships among all the primate species under study to test hypotheses about the order in which the traits of red color vision, gregariousness (highly social behavior) and red coloring evolved. By comparing the traits of individual species in this evolutionary context, Fernandez and Morris could statisticall......nst the parasite in a lab dish, the team could not test it in a living animal. In a new study published in the journal PLoS Pathogens an open access journal published by the Public Library of Science Dr Pleass and his collaborators in London, Australia and The Netherlands describe how they got around ...New genetic data overturn long-held theory of limb development
...ists studied the development of paddlefish fins to test whether the genes activated to make hands and feet in tetrapods were different from the genes activated to make fish fins. Davis working with postdoctoral fellow Randall Dahn, PhD, and Shubin, PhD, professor and associate dean for organismal and evol...Stem cells may look malignant, not act it
... the integrity of the cell lines scientists use to test new cancer drugs in the lab. Up to 5 percent of ...ue is grown in the laboratory for experiments that test the effects of new drugs, it's possible the results are muddied, Cogle said. Drugs, if effective, ma...Plants that produce more vitamin C may result from UCLA-Dartmouth discovery
...the GDP-L-galactose substrate and reconstituted in test tubes the mysterious seventh step in vitamin C synthesis. Clarke and Brenner liken the first six steps in vitamin C synthesis to a roadmap in which there are multiple possible routes from glucose to a variety of cellular compounds. Once the GDP-L-g...Einstein researchers' discover 'radiation-eating' fungi
...ns as an energy source," says Dr. Casadevall. To test this idea, the Einstein researchers performed a variety of in vivo tests using three genetically diverse fungi and four measures of cell growth. The studies consistently showed that ionizing radiation significantly enhances the growth of fungi that c...DNA clues to inform conservation in Africa
...s which lives in most sub-Saharan habitat types to test whether DNA similarity between populations living in different habitats can reveal the similarity of those ecoregions now and in the past. The study, one of the first of its kind, identified 28 key regions for bushbucks. By understanding the gene...UVa researcher studying disease that cripples newborns
... the development of a simple gene-based diagnostic test for the disease. The test is now used around the world. Today, scientists are trying to understand how extra CTG repeats ca...Exercise reverses aging in human skeletal muscle
...s available at most fitness centers. The strength test was based on knee flexion. The older participants, while generally active, had never participated in formal weight training said co-first author Tarnopolsky, who directs the Neuromuscular and Neurometabolic Clinic at McMaster University. In a fou...Tropical birds have slow pace of life compared to northern species, study finds
..., when compared with temperate birds. To further test this association, the researchers also compared BM...asure BMR and PMR, the researchers used a standard test in which they placed the birds in airtight steel containers with airflow in and out carefully contro...A new wrinkle in evolution -- man-made proteins
...isingly, Chaput had bested natures designs, as the test tube derived protein was not only stable, but could bind ATP twice as tight as anything nature had come up with before. To understand how this information is encoded in a protein sequence, Chaput and colleagues solved the 3-D crystal structures for...Studies assess effectiveness of serotonin and nerve stimulants on irritable bowel syndromes
...hen successful muscle contraction occur) underwent test stimulation, each serving as their own control. The effect of temporary sacral nerve stimulation was assessed by a 21-day bowel habit diary. Patients with more than 50 percent improvement in symptoms were eligible for permanent stimulation. Long-t...HIV in breast milk killed by flash-heating, new study finds
...ss, flash-heat and store their milk safely, and to test the impact of this method on actual HIV transmissi...at they used a reverse transcriptase (RT) assay to test for an enzyme produced by viable HIV since traditional tests for HIV do not distinguish between dead...How does day length affect aggression in mice? It's in the genes
...ve in winter, and less aggressive in summer. To test this theory, Nelson and Trainor treated one group ...enomic pathways. While it would be difficult to test that hypothesis directly, neuroscientists know that when hormones work through genomic pathways, beh...Another world-first for LCT's Xeno facilities
...007 Xenotransplant laboratory is accredited to test and monitor for a range of animal & human viruses ...is accreditation will ensure that LCT's laboratory test reports are accepted in forty-nine countries, including the US, Canada, United Kingdom, Australia an...Oregon researchers involved in new Clovis-age impact theory
...fragmentation, but additional work is necessary to test the data further." Earlier research efforts need to be re-evaluated using new technologies that can narrow radiocarbon date ranges, and, as funding becomes available, new sites can be located and studied, Erlandson said. "As we have grown more conf......ers will encourage the process. He will go on to test other mosquitoes with unaltered strains of Sindbis. The results should suggest whether A. aegypti can be made immune to viruses. Clem stresses that A. aegypti's living arrangements will be anything but casual. His lab's insectary is approved by the...