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Tag: "but" at biology news

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

...rst, innate B cell immunity, comprises fast-acting but weak antibodies that fight a broad range of pathog...e identified. "We know these antibodies can exist, but we have not been able to give a vaccine to people or animals that stimulates the production of these...

Antibiotic might fight HIV-induced neurological problems

...tments do a great job of controlling HIV in blood, but most of the drugs don't cross the blood-brain barr...nfected people as it does in SIV-infected monkeys, but it is not expected to start until sometime next year. "It is too early to recommend minocycline for...

Protein offers way to stop microscopic parasites in their tracks

...he parasite rarely causes symptoms in most people, but can become a potentially life-threatening infectio...ting in terms of the number of people they affect, but they're somewhat harder to work on," Sibley explains. "Because it's so much easier to study, we use ...

Asthma gene clusters identified

...tors can lead to asthmatic conditions in children, but they also know that genetics contributes to susceptibility. There are no cures for asthma, but it can be controlled with treatment. To date, researchers have identified individual genes involved...

Artifical cornea lets woman blind 20 years see

...tissue rejection ? although in some cases it is -- but rather progressive growth of blood vessels and sca...clear window in the eye for people to see through, but sometimes the cornea becomes opacified and people can no longer see," said Natalie Afshari, M.D., an...

Supercomputer Dedicated To Bioengineering, Computational Biology Installed

...utational model spans all these biological scales, but this powerful new cluster will enable us to integr...lel computer. It is valued not only for its speed, but also because its 428 gigabytes of memory capacity and 20 terabytes of storage will enable researcher...

Effective Cancer Treatments Follow The Clock

... the metabolic activation of the anti-cancer drug, but found essentially none. “This was a real surprise, because some of the enzymes involved in activating CY in the liver show circadian rhythms,?said Takahashi. “We thought that the liver might be activating the drug more strongly at some times, or deto...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...es addressed by the study are still on the market, but some, including DDT, have been banned or restricted. These findings will be available online in April, and published in the June issue of Environmental Health Perspectives. The research is part of the ongoing Agricultural Health Study funded by the ...

LUCA technologies confirms real-time methane generation

...e. Three additional sites are not currently active but may have the potential to be turned into active Geobioreactors through cross-inoculation with microbial consortia from active sites. Luca scientists have also begun to isolate and identify particular members of the Monument Butte microbial consortiu...

Pathogen-Mimicking Vaccine As Strategy For Cancer Therapy

...s who received the Melan-A/MART-1 antigen with IFA but without CpG 7909 in previous studies. According to Dr. Jill O'Donnell-Tormey, the Executive Director of CRI, the trial is part of the CVC's systematic, coordinated vaccine development approach that compares single vaccine variables in parallel. "We'...

Vampire bats keep out of trouble by running

...cine have discovered that these bats not only walk but run. The unprecedented gait of Desmodus rotundus i...ot only are vampire bats unusual because they run, but also in the way that they power their gait. "Unlike most animals which use their hind legs as a sour...

Multiple Campylobacter Genomes Sequenced

...st food-borne pathogen to be completely sequenced, but we still know little about how Campylobacter speci...ese genomic differences to functional differences, but this detailed comparative genomic analysis provides the core blueprint for this important family of ...

Molecular Motors Cooperate In Moving Cellular Cargo, Study Shows

...faster movements occurred with the same step size, but with greater rapidity. When measured outside the cell, kinesin moved about 0.5 microns per second. Inside the cell, the speed increased to 12 microns per second. "There must be a mechanism that allows the peroxisomes to move by multiple motors much ...

US life expectancy about to decline, researchers say

...agnitude of that effect may sound trivial to some, but in fact it's greater than the negative effect of a...of life expectancy are based on historical trends, but the authors conclude that such estimates fail to consider the obesity epidemic. Olshansky and colle...

A new study examines how shared pathogens affect host populations

...ding the role of pathogens in species interactions but also provide a potential mechanism linking host biodiversity and ecosystem functioning. Sponsored by the American Society of Naturalists, The American Naturalist is a leading journal in the fields of ecology and evolutionary biology and animal behav...

Potential treatments for neurofibromatosis

... a single gene. Some NF 1 mutations are inherited, but the NF1 gene is so large that many mutations occur spontaneously rather than being passed from parent to child. Everyone has two copies of the NF 1 gene, which produces a protein called neurofibromin that controls cell division. If both NF 1 genes a...

How the environment could be damaging men's reproductive health

...ia was 5.7%, which was lower than in Denmark (9%), but higher than Finland (2.4%). These figures are not ...t is probably determined during the foetal period, but clinically this is usually not detected until the third decade of life. Thus, the recent findings of...

Surprising findings reported about iron overload

... overload are easily treatable if diagnosed early, but the simple blood test that could detect these conditions is not performed as part of routine medical exams," said Acton. Delaying treatment ?the weekly removal of a pint of blood by phlebotomy ?can permit the progressive accumulation of iron deposits...

Scientists discuss improved biopesticides for locust control in West Africa

...n now because they do not breed in the dry season, but when the annual spring rains begin, they are expected to return. Participants at the seminar included ministers of agriculture from other West African nations, national plant protection directors and locust control personnel, military officers in ch...

Variation in women's X chromosomes may explain differences among individuals, between sexes

...s that, in essence, there is not one human genome, but two -- male and female. "We looked at the X chrom...mosome, they reported. Furthermore, in some women but not others, an additional 10 percent of X-linked genes demonstrate variable patterns of inactivation...

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