Tag: "increase" at biology news
Articles on forest fire risks published in BioScience
... them are not widely recognized. Invaders can both increase
and decrease flammability in a forest and can influence both vertical and horizontal fire spread. The authors propose a scheme for evaluating the dangers of invasive plants from the standpoint of fire risk and propose directions for future research....
JCI table of contents, 1 July 2004
...m the bone disease osteoporosis, where there is an increase
in bone re-absorption back into the body; this cre...ng, the other by decreasing, resistin levels -- to increase
our understanding these mechanisms. The work by the groups of Luciano Rosetti and colleagues and Jer...
Severe depression associated with greater number of nerve cells in thalamus region of brain
...st to directly link a psychiatric disorder with an increase
in total regional nerve cells, said Dr. Dwight Ger... of nerve cells in the thalamus. Results showed an increase
of 37 percent and 26 percent, respectively, in the number of nerve cells in the mediodorsal and ante...
National Parkinson Foundation designates UNC as 'Center of Excellence'
...e number of people with Parkinson's is expected to increase
dramatically over the next 10-12 years as the population of people aged 65 and older expands. The NPF notified UNC of the designation in a letter to Huang. "This designation constitutes NPF's public seal of approval, defining the gold standard in Par...
Make a splash for public health this summer
...the general swimming public work in partnership to increase
everyone's chances for healthy swimming experiences."...
ALL survivors bear genetic damage from life-saving chemotherapy
...acute lymphocytic leukemia (ALL) endure a 200-fold increase
in the frequency of somatic mutations in their DNA...ren of the same age, the researchers reported. The increase
in genetic mutations seen in the ALL patients accumulated over the course of their treatments. ...
PAF-way to bone loss
...m the bone disease osteoporosis, where there is an increase
in bone re-absorption back into the body; this creates a high risk for bone fracture. A great deal of research has gone into dissecting the molecular underpinnings of this debilitating and painful disease. One gene that has been implicated in bone re...
Only 21 states offer newborn screening tests recommended by March of Dimes
...nors, state legislators, and health departments to increase
access to these important tests," Dr. Howse says. "I'm encouraged to report today that since this time last year, the number of states that test for the nine core metabolic disorders has risen from nine to 21." Currently, 21 states screen for the Ma...
Gene alteration points to longevity, thinness
...ivity of Indy. Their model netted a 15-20 percent increase
in lifespan in addition to the other benefits. Unlike true genetic knockouts, with scientists completely removing both copies of a gene so 100 percent of function is gone or taking out one copy so the gene functions at half capacity, the MCG scientis...
Endurance exercise found to be equally effective as diuretics in improving cardiac health
...stance it is possible that the benefits leading to increase
in cardiac health may occur because insulin is a s...domized into exercise and thiazide (diuretics that increase
the excretion of sodium and chloride) groups to characterize (1) adaptive changes in LV mass, geomet...
In the obese, metabolic adaptations post-weight loss lead to regaining of shed pounds
... pre-obese to the obese state is accompanied by an increase
in metabolic rate and metabolic efficiency but lit...mass and reduction in energy intake, suggesting an increase
in metabolic efficiency. NPRQ remained lower after the adjustment of energy balance and carbohydrate...
Study: Artificial sweetener may disrupt body's ability to count calories
... Over the past 25 years, there has been a dramatic increase
in the consumption of artificially sweetened foods...erages compared to semi-solid or solid foods could increase
the tendency to gain weight." The number of Americans consuming sugar-free products increased from l...
Deserts and rainforests are equally productive during drought
...becomes more variable, the variability itself will increase
the sensitivity and vulnerability of the ecosystem with the same impact as reducing the precipitation. Other investigators included Travis Huxman of the University of Arizona who was co-author; Philip A. Fay of the Natural Resources Research Instit...
Early dexamethasone exposure has long-term neurodevelopment, neuroendocrine effects
... a Taiwanese study that demonstrated a significant increase
in neurodevelopmental dysfunction in neonates treated with dexamethasone. Background The Taiwanese conclusions were reached within the context that the window of exposure to dexamethasone in critically ill ELBW infants spans an extensive period o...
Kaposi's sarcoma virus 'reprograms' blood vessel cells into lymphatic cells
... that the viral infection had caused a significant increase
in the expression of Prox1 and other genes normally active only in lymphatic cells. A second experiment in which cells from umbilical veins were infected with the virus led to similar lymphatic gene expression. "As far as I know, this is the first...
Hope Clinic of Emory Vaccine Center receives CDC contract
...topical vaginal microbicide gels resulted from the increase
in incidence rates of HIV and AIDS among women and the need for a safe, effective, and acceptable female-controlled method of HIV prevention. In 1986, women accounted for 8 percent of AIDS cases in the United States, increasing to 26 percent in 2001...
APS awards more than $200,000 to middle and high school science teachers
...e program has consistently proven to help teachers increase
their understanding of scientific research methods and the importance of biomedical research. It also has proven effective in helping teachers incorporate best teaching practices those that promote both excellence and equity in science education a...
Scientists discover genetic marker responsible for two-fold increase in risk of rheumatoid arthritis
...dicates that this particular gene variant may also increase
risk for other autoimmune diseases, such as systemic lupus and autoimmune thyroid disease, as well as type 1 diabetes. "NIH has provided strong scientific and financial support for the North American Rheumatoid Arthritis Consortium over many...
Evidence for fat hormone target in brain
...brain cells to reduce appetite and food intake and increase
energy expenditures. Although researchers had prod...had significantly increased body weight, due to an increase
in fat mass. Surprisingly, however, the researchers found that the mice gained less weight than woul...
'Mighty mouse' gene works the same way in people
...to block myostatin activity in mice may be able to increase
muscle mass in humans, too." Lee and his team discovered in 1997 that knocking out the myostatin gene led to mice that were twice as muscular as their normal siblings, lending them the moniker "mighty mice." Later, others showed that naturally bulky...
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