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Tag: "harmful" at biology news

Early exposure to indoor fungus molecules may protect infants against future allergies

...sinfectants can’t discriminate between helpful and harmful microbes—they destroy them all. "This eliminates the natural competition among bacteria and fungi, so the surviving microbes are often the infectious ones that can develop resistance to drugs designed to eliminate them." Iossifova says further...

'Nurse cells' make life and death decisions for infection-fighting cells

... of T cells produced by the thymus is to recognize harmful invaders. Once invaders have been identified, T cells then attempt to eliminate disease-infected cells. "In early studies, it was suggested that thymic nurse cells only removed non-functional thymocytes," said Eve Barak, program director in NSF's ...

Researchers develop buckyballs to fight allergy

...erested in finding new pathways to help manage the harmful effects,” said Kepley....

Children of smokers have more than 5 times higher levels of a nicotine toxin

...lies on parents or carers being educated about the harmful effects of passive smoking on their children and then acting on that knowledge....

Potato wart eyed as risk to potato production

...ide quarantine plant pathogen of potato. While not harmful to humans, the disease causes unsightly growths that initially appear white, and then turn brown or black as they decay, rendering the potato tuber unrecognizable and inedible. There is a zero tolerance for the fungus that causes potato wart. As ...

In nature, proteins sweep up nanoparticles

...role in bioremediation strategies designed to trap harmful metals such as arsenic, lead, uranium, and plutonium. “We have found, in the environment, that cells release proteins and polypeptides which promote the aggregation of nanoparticulate metals,” says John Moreau, lead author of the study and a forme...

In mice, drug protects against diabetes and atherosclerosis

...ers as well." The laboratory animals showed no harmful effects from the treatment, though Hotamisligil ca...ists said, suggesting that blocking aP2 may not be harmful in people -- though this remains to be determined. The report describes tests of the inhibitor on...

Research team identifies new Alzheimer's gene

...tion under normal conditions to compensate for the harmful effects of APOE4 and other genes in older people and that the GAB2 risk gene lacks this protective effect. The study, funded by Kronos Science Laboratory, an affiliate of Phoenix-based Kronos Optimal Health Company, will enable Kronos to develop ...

Gene therapy delivery of nerve growth factors reverses erectile dysfunction in animal model

... administration of drugs that can have potentially harmful side effects," he explained. ...

Agent slows aging in mice

... of humans whether NDGA is beneficial, useless, or harmful to people. Occasionally, something that is harmless in mice turns out to be highly toxic for people,” Miller cautions, adding that the Food and Drug Administration doesn’t evaluate the safety of such herbal remedies....

FDA sees nanotech challenges in every product category it regulates

...eans necessary to evaluate which nanomaterials are harmful and which are not. This is an issue that Congressional leaders from both parties have called on the federal government to address urgently,” said Maynard....

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