Tag: "say" at biology news

Endangered species list more bleak than originally thought

...replaceable evolution and co-evolutionary history, say the researchers, and should have immediate implications for local conservation and management decisions....

New genetic hypothesis for the cause of autism

... to apply to some small fraction of autism cases," say the authors, "but more importantly and more speculatively, we propose that it will explain the majority of cases of autism." The oligogenic model does not entirely rule an environmental role in autism. "The epigenetic component of the oligogenic mod...

Optimizing protein's 'death domain' halts leukemia in laboratory study

...has been harnessed to kill leukemia cells in mice, say scientists at the Dana-Farber Cancer Institute. The discovery could aid in the discovery of new drugs for cancer and other diseases. The researchers plucked a critical "death domain" from a key molecule in the self-destruction mechanism of a cell, s...

Entrepreneurs to be told how nature's secrets can improve business

...ly turn biology into creativity. "What we say to entrepreneurs is: use our case history to devel...or email A.K.Pahl@bath.ac.uk Organisers say that there has been a lot of interest in places for the workshop so advise those wanting to book to ...

New imaging technology at Joslin shown to detect early signs of type 1 diabetes

...time," Dr. Mathis comments. The researchers say that this new imaging process may prove an invaluable aid in helping researchers and clinicians to spot early insulitis and to monitor how it changes, during the development of disease and after experimental or therapeutic interventions aimed at stop...

Anti-cancer compound in vegetables found to block late-stage breast-cancer cell growth

...r finding involving sulforaphane (SUL), which they say could ultimately be used to enhance the prevention and treatment of breast cancer, in the September issue of the Journal of Nutrition. "This is the first report to show how the naturally occurring plant chemical sulforaphane can block late stages of ...

Modest climate change could lead to substantially more and larger fires

...e warms by slightly more than a degree and a half, say researchers with the U.S. Department of Agriculture Forest Service and Pacific Northwest Climate Impacts Group at the University of Washington. Montana, Wyoming and New Mexico appear acutely sensitive, especially to temperature changes, and fire sea...

Probing the surface of white blood cells to enhance immune system medicine

...sts what a white blood cell looked like they would say a smooth sphere that floats around in the blood, but, in fact, they are not smooth at all they have these wonderful invaginations and protrusions coming off of them," explained Higgs, who is also a member of the Immunology and Cancer Immunotherapy R...

Scientists fear new Ebola outbreak may explain sudden gorilla disappearance

... the west and Cameroon to the north. Scientists say multiple courses of action should be taken immediately: Field researchers already in the region, from groups including Ecofac, Wildlife Conservation Society and the University of Rennes, need greater human and financial resources to enhance monito...

Highlights of American Chemical Society national meeting in Philadelphia, Aug. 22-26

...chers at the University of Massachusetts-Dartmouth say that they may have identified a possible culprit: ...a-estradiol), in the seawater that the researchers say could ultimately explain the fish decline. ( ENVR 286 , Thursday, Aug. 26, 9:15 a.m., Loews, Commonw...

Streptococcus infects humans by thwarting blood clotting

...ls susceptible to infection by streptococcus. They say their strategy outlines a new path for developing animal models for human-specific microbes. The research is also likely to open the way to new understanding of the factors that enable bacteria to evolve host specificity, the researchers said. Howard...

Review article makes case for a new source of cells in the body

...tribute to all these tissues as well. Challengers say VENT cells are not distinctive, rather artifacts o...very kind of tissue in our body?" The researchers say it's because VENT cells have a role in every tissue, the first of which may be connecting the centra...

OHSU-VAMC study sheds light on estrogen's benefit for MS

...-fighting CD4+CD25+ T cells. However, "They didn't say it was (due to) estrogen," Offner said. Estrogen levels during pregnancy can be 50 to 100 times higher than normal, Offner said. Scientists attribute this jump to the body's natural defense against its own immune system, whose reaction to self-antige...

Meteorites supplied Earth life with phosphorus

...ad recently fallen. We can go so far, maybe, as to say it was an iron meteorite. Iron meteorites have from about 10 to 100 times as much schreibersite as do other meteorites. "I think meteorites were critical for the evolution of life because of some of the minerals, especially the P2-07 compound, which...

UCSD biologists develop 'super-endurance' strain of mice

... the online journal PLoS Biology , the scientists say the inability of these genetically modified mice t...super mice without the HIF-1 gene. The researchers say this was to be expected because the eccentric contractions required by the leg muscles during downhi...

Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers

... natural diffusion and solubility of these toxins, say the investigators. Their results will aid in the interpretation of field data and in the design of management strategies, including sediment caps. ENVR 68. In place management of PCB-contaminated sediments: Performance evaluation and field placement...

Penn scientists identify novel pathway in aneurysms

...enase blockers before testing can begin in humans, say the researchers....

Disease-resistant papaya saves Hawaiian papaya industry

...same in other papaya-growing regions of the world, say plant pathologists with The American Phytopatholog...lly released in May 1998. "Today, we are proud to say that the transgenic papaya has fulfilled the hope of the Hawaiian papaya industry to control PRSV an...

Study suggests cell-cycle triggers might be cancer drug targets

...y fatal. But the Dana-Farber researchers can't yet say if this would create problems for an anti-cyclin c...e CDK kinases. In the Cell report, the researchers say they attempted to induce cancer in cells taken from embryos lacking the cyclins, and they remained s...

Researchers report new gene test for isolated cleft lip and palate

... of the National Institutes of Health. The authors say their latest gene test applies to about 12 percent of isolated cleft lip and palate, or babies born with clefts only and no other birth defects. Last year, the authors and their colleagues reported that mutations in another gene account for about 2 ...

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