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Tag: "undesirable" at biology news

Fox Chase Cancer Center scientists identify immune-system mutation

...stimulating desirable immune responses and halting undesirable immune reactions, Kappes said. This understanding can further progress against various immune disorders, allergies and certain cancers, such as those of the blood and bone marrow, that involve a compromised immune system. "As one example, a decrease...

Monkeying around to improve organ transplantation

...n cause infection, hypertension, cancer, and other undesirable side effects. Therefore, specific suppression of the T cells that attack the transplanted organ is needed. It was known that anergic T cells (immune T cells that do not respond to antigen stimulation) generated in an artificial environment outside t...

Stem cells' electric abilities might help their safe clinical use

...dings may lead to genetic strategies that suppress undesirable cell division after transplantation, not only for ESCs and their derivatives, but perhaps for adult stem cells as well." Li adds that much more work is necessary to know for sure. ...

Toasty oat aroma influenced by presence of health-linked polyphenols

... found naturally in all food plants, might prevent undesirable results of the Maillard reaction. In addition, th... found naturally in all food plants, might prevent undesirable results of the Maillard reaction. In addition, the Penn State scientist points out that the Maillar...

Chemical compound inhibits tumor growth, size in new mouse study

... found naturally in all food plants, might prevent undesirable results of the Maillard reaction. In addition, th... found naturally in all food plants, might prevent undesirable results of the Maillard reaction. In addition, the Penn State scientist points out that the Maillar...

Powerful technique for multiplying adult stem cells may aid therapies

... assays determining if the virus has landed in any undesirable places," says Lodish. "They could then discard those bad cells, and only administer the good ones to the patients." But most importantly, these findings aid basic research. "We want to know all sorts of things, like what genes are active in this ste...

Sweet 'water taste' paradoxically predicts sweet taste inhibitors

...rs are used by the food industry to counteract the undesirable high sweetness that results from replacing fats with sweet carbohydrates in reduced-fat products such as snack foods and salad dressings. "The extremely close parallels between the behavior of the human sweet taste receptor and the perceptual phenom...

Wisconsin scientists find a way to make human collagen in the lab

...w used but that can also harbor pathogens or spark undesirable immune responses. What's more, the new work may also lay the foundation for applications in nanotechnology -- such as microscopic sensors that could be implanted in humans to confront the effects of disease -- because it gives scientists a way to pre...

UCR researchers design chip that can improve citrus varieties

...rait posing a problem for the consumer, such as an undesirable flavor, we can identify genes associated with the trait and target these for correction to improve the flavor. The chip also helps us address citrus diseases by helping us see what happens in cells when a citrus plant is under attack from a virus. An...

Traditional Chinese medicine for diabetes has scientific backing

...s cannot tolerate metformin and the TZDs can cause undesirable weight gain.Therefore, it is critical to develop new therapies to treat type 2 diabetes, which is a growing health problem. "Berberine has been used for decades, if not centuries, with few reported side effects. Given the limitations of existing me...

Study identifies substances in grapefruit juice that interact dangerously with some drugs

...hese drugs to enter the blood stream, resulting in undesirable and even dangerous side effects. The drugs affected by grapefruit juice usually have some difficulty entering the body after they are consumed because an intestinal enzyme, CYP3A, partially destroys them as they are absorbed. Grapefruit juice, but ...

Fight weeds with plant pathogens

...ported insects, with no instances of unexpected or undesirable effects," says Raghavan Charudattan, University of Florida, Gainesville, FL. The bioherbicide approach utilizes native plant pathogens that are isolated from weeds and are grown to produce large numbers of infective propagules (such as spores). Inf...

Coated nanoparticles solve sticky drug-delivery problem

...otect sensitive tissue throughout the body have an undesirable side effect: they can also keep helpful medications away. To overcome this hurdle, Johns Hopkins researchers have found a way to coat nanoparticles with a chemical that helps them slip through this sticky barrier. During experiments with these co...

Researchers from the UGR use a bacterium to obtain biopreservatives from food

... or their metabolic products to inhibit or destroy undesirable microorganisms. Marina Sánchez Hidalgo, member of the research group and author of the doctoral thesis entitled 'Caracterización de variantes de la enterocina AS-48 obtenidas mediante mutagénesis dirigida' (Characterization of enterocin AS-48 vari...

Manipulating nature: Scientists query wildlife birth-control method

...juvant, Freund's adjuvant, also induces a range of undesirable side-effects and its use is being challenged on animal-welfare grounds." ...

Studies force new view on biology of flavonoids

...amounts of substances the body essentially sees as undesirable foreign compounds. Numerous studies in the United States and Europe have documented a relationship between adequate dietary intake of flavonoid-rich foods, mostly fruits and vegetables, and protection against heart disease, cancer and neurodegener...

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