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Tag: "not" at biology news

New knowledge improves rice quality

...tter quality food. "Much of this research would not have been possible ten years ago because we simply did not have the knowledge or the understanding of quality that we do now," Robert S. Zeigler, the director ...

Targeting sugar on blood vessels may inhibit cancer growth

...astasis of tumors. An important finding was that, not only could we inhibit the growth of tumors in these mice, but that other systems that rely on endothelial growth, such as the reproductive system and wound healing, remained robust." Studying mouse models with a genetic alteration in an important ...

Scientists: As rainfall changes, tropical plants may acclimate

... the same -- and at the same time. " ?This does not support the idea that natural selection has caused...with precipitation changes ?nutrient uptake ?might not affect tropical plants. That said, plenty of others could, Schuur said. ...

Newborn neurons like to hang with the 'in' crowd

...synapses, the newborn neurons ensure that they are not reaching out to deadbeats. The Gage lab previously identified a subunit of the NMDA receptor, a protein complex that transduces signals sent by neighboring cells, as the newborn neurons' life-saving equipment. The NMDA receptor is activated by the...

Students invent protective pouch to enhance cell therapy

... without plentiful oxygen and nutrients, which are not available throughout the body. Finally, once they ...e the cells often situate themselves where they do not have access to a plentiful blood supply. To address this challenge, the radiologists last year asked...

New technique will produce a better chromosome map

...n impartial estimate of the band location. It will not be researcher-dependent. It will be objective." To improve chromosome spreading, researchers use a rotary tool that vibrates the coverslip surface for several minutes. A simple mechanical vise applies up to two tons of force to each slide, renderi...

Genetic roots of bipolar disorder revealed by first genome-wide study of illness

... into practical applications. This research would not have been possible a very few years ago. We now h...dition help many patients. But some people do not respond to these medications, and clinicians need more options so that they can tailor treatments to...

Gene mutation linked to cognition is found only in humans

...ype II neuropsin, a longer form of the protein, is not expressed in the prefrontal cortex (PFC) of lesser... chimpanzees and orangutans, and found that it was not present. Since these two species diverged most recently from human ancestors (about 5 and 14 million...

Risk of lymphoma increases with hepatitis C virus infection

...eterans who used the VA system, so the results may not be applicable to the overall U.S. population. The study population was mostly men (97 percent), the majority of patients were white, and the average age was 52 years. Patients in the HCV-infected group were more likely to have served during the Viet...

Fat screen delivers plant-derived chemical with antidiabetic effects

...n resistance are complex and are likely to involve not only changes in fat tissue differentiation and cell number but also changes in the fat cells' function, they said. ...

Molecule that destroys bone also protects it, new research shows

...ly would be toxic if given systemically, so it may not be a therapeutic candidate to increase immunity. But inhibitors of IL-17 are considered important targets for drugs to treat autoimmune diseases such as RA and psoriasis. On the down side, however, this new finding indicates that inhibiting IL-17...

Scientists identify prion's infectious secret

...gid species barrier. The baker’s yeast prion could not recruit peptides from the pathogenic fungi cells, ...etic prion could cross the species barrier but did not identify the mechanism. Tessier found that this synthetic prion contained two recognition elements, ...

Egyptians, not Greeks were true fathers of medicine

...rigins of modern medicine lie in ancient Egypt and not with Hippocrates and the Greeks. The research tea...e found the prescriptions in the ancient documents not only compared with pharmaceutical preparations of today but that many of the remedies had therapeuti...

WHO data confirms low level of resistance to Tamiflu

...rus. When neuraminidase is inhibited, the virus is not able to spread to and infect other cells in the body. It is licensed for the treatment and prophylaxis of influenza in children aged one year and above and in adults. ...

Diminishing dinosaur steps saved by laser and laptop

...nvironment and the sensitivity of the site we were not permitted direct contact and therefore all measurements had to taken remotely. Dr Manning added: "Laser scanning allowed the rapid, high resolution, 3D digital mapping of an otherwise inaccessible site. The computer-generated trackways we have cre...

DNA repair proteins monitored at double-strand break

...radiation leading to double-strand breaks that are not repaired," Kastan said. "And a lack of NBS1 causes Nijmegen breakage syndrome, another disease that leaves its victims at high risk for cancer and higher sensitivity to DNA-damaging radiation. So this work has important medical implications for these...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

...owski. "So you'll have an advantage because you're not competing with the sitters who stay close to the i...es the survival of the other. In essence, there is not one best type of fly," he says. If this process is common in nature, it may offer one explanation fo...

Baumann Lab defines proteins that distinguish chromosome ends from DNA double-strand breaks

...he cellular machinery that repairs DNA breaks does not act on telomeres. But how repair factors are prevented from acting at chromosome ends has been a hotly debated issue. Over the past decade, several telomeric complexes and structures have been identified and proposed to protect chromosome ends, but c...

World's leading scientists announce creation of 'Encyclopedia of Life'

...nprecedented level. Even five years ago, we could not create such a resource, but advances in technology for searching, annotating, and visualizing information now permit us, indeed mandate us to build the Encyclopedia of Life." Over the next 10 years, the Encyclopedia of Life will create Internet pa...

LIAI scientists make important finding on cytomegalovirus transmission

...tment also greatly reduced the virus load, but did not eliminate it in any of the animals. The findings of the Ware and Croft team parallel those of LIAI researcher Matthias von Herrath, M.D., who last year announced that he had successfully eliminated a chronic virus infection in mice by blocking the...

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