Tag: "diminish" at biology news

Grant funds research to develop tissue-engineered solutions for heart disease

...e years. Significantly, CHF also can substantially diminish quality of life. Because the heart pumps inefficiently, patients can feel breathless and weak after minor exertion. According to the Centers for Disease Control and Prevention, CHF is responsible for about 260,000 deaths a year. In 1995 alone, Medica...

Tips from the Journals of the American Society for Microbiology

...ound that infectious particles were more likely to diminish at a faster rate than viral genomes at all temperatures tested in this study. "Thus, we concluded that a positive test for a viral genome in mineral water must be interpreted with utmost caution because of the lack of a correlation between the presen...

Plant diversity threatened by climate change and buildup of greenhouse gas, study reveals

...oting that a large-scale change in diversity could diminish the ability of grasslands to support birds, deer, butterflies and other wildlife as well as commercial grazing. Additive response The researchers discovered that they could make remarkably accurate predictions of species diversity in plots where m...

Study: Adults maintain significant improvement in ADHD with long-term use of amphetamine

...ldhood disorder. While hyperactivity may sometimes diminish by adulthood, inattention and impulsivity often remain," said Dr. Richard H. Weisler, adjunct professor of psychiatry at UNC's School of Medicine. "Our findings suggest that, as in children with ADHD, adults who have this condition can benefit from t...

Schepens Eye Research Institute scientists at ARVO

... of a special type of T cell that works to further diminish the harmful effects of autoimmune disease. When mice with uveitis were injected with a gene that codes for (or causes the production of) a-MSH, there were significantly fewer mice that expressed retinal inflammation (40 - 50% incidence) in contrast ...

Scientists break down patterns in nature

... exactly the way species drop out as human actions diminish the world by shrinking the habitats (such as tropical forests) on which species depend....

Mouse model links alcohol intake to marijuana-like brain compounds

...gh this research helps scientists develop drugs to diminish the desire to consume alcohol and to counteract alcohol's effects. Since their discovery in the early 1990's, endocannabinoids and endocannabinoid receptors have been studied intensely by alcohol and drug abuse researchers. Recent animal studies have...

UT Southwestern Nobelists find protein structure that may help fight high cholesterol

... develop treatments for people with mutations that diminish the functions of their LDL receptors." UT Southwestern Nobel laureates Dr. Michael Brown and Dr. Joseph L. Goldstein also assisted in the study, which will be published in the Dec. 20 issue of Science. An early version is listed online at Science Ex...

Using the ocean's living light shows to fight terrorism or track the planet's most massive migration

... commercial fisheries. Because bioluminescence can diminish in response to the presence of toxic chemicals, the phenomenon could also be used as an indicator of water quality once better understood. Widder's Oceans 2002 talk is scheduled for 4:00 p.m. on Tuesday, October 29. In March, she will be using the o...

University of Pittsburgh scientist discusses blood cell damage from biomedical devices

...e and improve designs of cardiovascular devices to diminish these effects."...

AAAS at the BA: Whale food, winners and losers in Antarctica and solar insights

...ce floes, and the incidence of these floes were to diminish following climate change, then the distribution of krill may change too. There could be knock-on effects for predators who depend on krill as a food source." Using an echosounder attached to an unmanned submersible the length of a school bus-Autosu...

US government commits $36 million to protect Congo's forests

... in the Congo Basin creates "empty forests," which diminish opportunities for local communities and threaten the forests' long-term viability. The eleven priority landscapes are: Monte Alen Mont de Cristal Inselbergs Forest Landscape (Equatorial Guinea & Gabon) Gamba Conkouati Forest Landscape (Gabon, Co...

Ulcer-causing bacteria use stomach inflammation to their advantage

... H. pylori infections and to new drugs to treat or diminish their severity." The findings also could help explain why the stomach inflammation that often accompanies the infection periodically flares up, then subsides, and why the infection persists for so long, says Berg, who also is a member of the tumor i...

Anticonvulsant drugs found to impact on epileptic childrens ability to recall information

...sses. This would lead to a preventative effort to diminish cognitive impairment in a population group that suffers most from the effects of this disorder....

Inhibiting cardiac protein through gene therapy improves human heart cell function

... "When we targeted phospholamban, we were able to diminish it, and then calcium movement in the cells became normal," says Hajjar. For the study, first author Frederica del Monte, MD, PhD, took cells from the hearts of nine end-stage patients who were about to undergo heart transplantations, with a goal of s...

High CO2 levels hamper nitrate incorporation by plants

...hat rising atmospheric carbon dioxide levels might diminish the nutritional quality of grain receiving nitrate fertilizer. "We expect that the data from this study will have real-world implications for crop production," Bloom said. "In well drained soils generally devoted to wheat production, nitrate is the c...

Evolutionary 'speed limit' governs how quickly life bounces back after extinction

...present-day extinctions. "If we substantially diminish biodiversity on Earth, wecan't expect the biosphere to just bounce back. It doesn't dothat. The process of diversification is too slow," Kirchnersaid. "The planet would be biologically depleted for millions ofyears, with consequences extending not...

Inherent speed limit governs how quickly life bounces back after extinction, UC Berkeley research shows

... for present-day extinctions. "If we substantially diminish biodiversity on Earth, we can't expect the biosphere to just bounce back. It doesn't do that. The process of diversification is too slow," Kirchner said. "The planet would be biologically depleted for millions of years, with consequences extending no...

Women more susceptible to orthostatic hypotension

...s-sectional area for the mean cardiac interval. To diminish concerns that gender differences in body mass and blood volume might interfere with interpretation of gender differences in the hemodynamic responses SV was normalized to body surface area (SVi) for all subjects. Results Head-Up Tilt Hemodynamics: ...

Land wont soak up carbon indefinitely say top scientists

...nks in the first place are temporary and likely to diminish with time. "Although carbon sinks have a role to p...y equal to the amount released, thus the sink will diminish with time as forests mature. Further causes for the current global sink are the fertilising effect ...

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