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Tag: "reverse" at biology news

In mice, drug protects against diabetes and atherosclerosis

...ent the development of these diseases, but also to reverse the symptoms of these illnesses in mice. "To ha...e drug to determine whether the drug could halt or reverse the disease process. In both experiments, the drug treatment reduced the size of fatty plaques in...

Resistant HIV quickly hides in infants' cells

... those five, four were resistant to non-nucleoside reverse transcriptase inhibitors (NNRTIs), a common class of antiretroviral drug used to treat HIV infection and to prevent mother-to-child transmission. All had uncommon drug-resistance mutations that some resistance tests would miss. Earlier studies lo...

Technique monitors thousands of molecules simultaneously

...electrodes. "What electrochemistry does best is to reverse the polarity of things," Moeller said. "It takes things that are electron-poor and makes them electron-rich and vice versa; it can take an oxidant and turn it into a reductant; a reductant into an oxidant; a base into an acid and an acid into a base;...

Invasion of the island bats

...al independent bat groups, this article shows that reverse colonization is a feature of the entire Caribbean bat community, encompassing groups of bats as different from each other as aerial insectivores, nectarivores, and frugivores. The evolution of Caribbean bats suggests that far from being isolated ...

UCLA AIDS Institute researchers find a peptide that encourages HIV infection

...ckbone. The amino acids in RC-111, however, are in reverse order. The researchers had initially wanted to...ke the same peptide and place its amino acids in a reverse order, that lets the virus in," Lehrer said. "We would like to learn why it happens, but at the mome...

Dealing deadly cancers a knockout punch

... with either radiation or chemotherapy can stop or reverse the growth of advanced cancers without adding harmful side effects," said Dr. Mettinger. ...

Hives ferment a yeasty brew, attract beetle pest

...ood, reproduce and multiply. "If beekeepers can reverse the trend and eliminate the beetles, the hive can be saved," says Tumlinson. "If they can stop the beetles and remove eggs in the hive, the hive recovers." Honeybees are of major economic importance in agriculture as the major pollinating force for ...

Researchers find link between food odors and lifespan in fruit flies

... to food odors can modulate lifespan and partially reverse the longevity-extending effects of dietary restric... to food odors can modulate lifespan and partially reverse the longevity-extending effects of dietary restriction in fruit flies. "Not only can they not hav...

NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis

...deficiency of X-linked Hyper IgM Syndrome can also reverse the bone loss. If so, the knowledge gained from these studies may benefit people at risk of developing osteoporosis. ...

New success in engineering plant oils

...ts that the genetic manipulation could work in the reverse to allow scientists to engineer more heart-healthy food oils. "Scientists have known for a long time that the ratio of saturated to unsaturated fatty acids plays a key role in plants' ability to adapt to different climates, but to change this rati...

2 brains -- 1 thought

... its function. Memmesheimer and Timme now took the reverse perspective. "For some simple networks we know the activity dynamics, that is, their function, but not their exact structure," explains Memmesheimer. "Any given dynamics can normally be created by a variety of different networks. We have developed a ...

Glucose triggers brain cell death in rats after hypoglycemic coma

...ancisco. "It was only when we gave them glucose to reverse the hypoglycemia that the oxidative stress occurred. This was a real surprise." The researchers then discovered that oxidative stress and neuron death were prevented when the rats were given an inhibitor of NADPH oxidase, indicating a key role fo...

Allergy to hair dye increasing

...urden on health services. It may not be easy to reverse these trends, however, as some patients have continued to use such dyes even when advised that they are allergic to them and risk severe reactions, they conclude. ...

Study shows isolation of stem cells may lead to a treatment for hearing loss

... research is a major step in devising a therapy to reverse permanent hearing loss because it may lead to the activation of cochlear stem cells in the inner ear to regenerate new hair cells. “Clearly we have miles to go before we reach our end goal, but the exciting part is now we can test compounds that cou...

Veterinary scientists explore poultry virus as cancer killer

...e first to alter Newcastle disease virus through a reverse genetic system to target prostate cancer specifica...y of a viral genome, explains Subbiah. Through the reverse genetics system, recombinant viruses can be designed to have specific properties that make them attr...

UCSD researchers discover variants of natural tumor suppressor

... in most cancers and PHLPP provides a mechanism to reverse this activation. ...

First-degree fetal heart block may be reversible

.... They also explored whether early treatment would reverse the problems. The team found that while first-degree fetal heart block may be reversible with the steroid drug dexamethasone, the condition could advance within as little as one week to a third-degree block, which is irreversible even with furthe...

Putting an old drug to a new use

...s frequently used to treat high blood pressure can reverse iron overload in mouse models and has the potential to treat similar conditions in humans. Our body needs most of its iron to make red blood cells. A lack of the metal can lead to dangerous anemias, but also too much iron can be detrimental as iron ...

Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight

...he development of treatments that could prevent or reverse these conditions. Along with Sanchez-Alavez and Bartfai, Izabella Klein, Sara Brownell, Iustin Tabarean, Christopher Davis, and Bruno Conti, all of Scripps Research, were authors on the paper, "Night eating and obesity in the EP3R deficient mouse...

OHSU lab finds meth receptor that could lead to therapy

...could soon become a target for therapies aiming to reverse meth’s adverse health effects as well as reduce the craving that drives its abuse. Working in the recently opened Program in Chemical Biology in the OHSU School of Medicine's Department of Physiology and Pharmacology, scientists demonstrated the n...

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