Tag: "association" at biology news

Other highlights in the August 4 JNCI

... cancer in women who were overweight or obese. The association was strongest in women who gained weight over the ...ponse to anthracycline-based chemotherapy, but its association with response to taxane-based chemotherapy is not clear. Dennis J. Slamon, M.D., Ph.D., of the Unive...

Clusters of alterations on PIK3CA gene found in brain cancers

... lung cancer," Yan noted. "Our studies defined the association of mutant PIK3CA gene in a wider spectrum of adult and pediatric brain tumors as well." PIK3CA is part of a family of genes that encode lipid kinases, enzymes that modify fatty molecules and direct cells to grow, change shape and move. Kinases have b...

Plant gene discovery could enhance plant growth, reduce fertilizer needs and phosphate pollution

...sphorus from the soil, and managing this symbiotic association is an essential part of sustainable agriculture" Harrison explained in an interview before plant biologists' meeting. "Phosphorus is a nutrient wherever it goes, and in our lakes and rivers it often nourishes undesirable algae. Agriculture is a majo...

Annals of internal medicine tip sheet, July 20, 2004

...n in a hospital. An editorial writer says that "an association between having a living will and site of death does not imply causality" and called for public policy to address the problems of care for frail and older people dying from chronic, progressive illnesses (Editorial, p. 159). 4. ACP, insurers, p...

Italian research links diet with endometriosis risk

... fish, whole-grain foods, coffee or alcohol and no association with butter, margarine or oil. Dr Parazzini said ...this was unlikely to have biased the results. The association between vegetables, fruit and meat was unlikely to be due to chance because the researchers analysed...

New 20-year study links COPD and asthma

... to develop COPD than patients without asthma. No association was found between inactive asthma and the lung con...is, emphysema, or COPD. Similarly, no significant association was found between asthma duration and risk for lung disease. Overall, patients with active asthma d...

Study reveals evolution on the (butterfly) wing

...how the regulation of two key genes has evolved in association with specific color patterns. The color patterns they studied vary among species, existing in a continuum including simple lines, teardrops and rounded spots. Reed is currently at Duke University, and Serfas is at the University of Wisconsin at Madis...

Tracing a killer's path in Lou Gehrig's disease

...te the researchers. "We propose that the universal association of SOD1 mutant exclusively within affected tissues represents the common property of these mutants that initiates a cascade of damage," they wrote. In a second paper, Robert H. Brown, Jr., and his colleagues shed light on a specific mechanism by whic...

Early dexamethasone exposure has long-term neurodevelopment, neuroendocrine effects

...t. This model was recently used to demonstrate an association between dexamethasone exposure in the neonatal rat pup and changes in LHPA function in the adolescent, including increased anxiousness in the light-dark test of anxiety and, in response to a mild novelty stress, a blunted corticosterone response. Ho...

New York City study shows newborns more susceptible to pollution than their mothers

...ere all nonsmokers. Previous research has shown an association between DNA adducts and increased cancer risk. Despite the estimated 10-fold lower dose of the pollutants to the fetus as compared to the mother, the researchers found that levels of DNA damage were comparable in newborns and mothers, while cotinine ...

Growing replacement teeth and dental tissues

...trates that uncommitted mesenchymal stem cells, in association with oral epithelium, can be instructed to mimic developmental events leading to growth of a tooth structure comprised of enamel, dentin, and pulp, with a morphology resembling that of a natural tooth. These observations offer very exciting opportuni...

Gestational diabetes not found to alter the metabolic processes in obese pregnant women

...s, reaching epidemic proportions. Given the strong association of obesity with decreased insulin sensitivity, researchers prospectively evaluated changes, over an extended time period, in energy expenditure and increase in fat in a cohort of women with NGT and GDM, relative to the alterations in insulin sensitiv...

AAAS urges US to give scientists a voice in research misconduct cases

...program, please visit http://case.aaas.org . The association has convened meetings on research misconduct and research integrity, simulated sessions with research administrators that offered insights for responding to allegations of misconduct, and educated hundreds of scientists with a series of integrity in ...

Lupus Research Institute awards $3 million in novel research grants to further new science in lupus

... may serve as a biomarker for lupus because of its association with inflammation and cell death. In addition, this work will uncover whether HMGB1 can be a target of therapy. Luminita Pricop, MD, Hospital for Special Surgery, New York GENETIC AND ACQUIRED MODIFIERS OF APC FUNCTION IN SLE. Dr. Pricop's ex...

Calcium supplements associated with decreased risk of large bowel polyps

...ddition, the few studies that have demonstrated an association between calcium intake and moderate decreases in the risk of precancerous colorectal tumors have rarely evaluated the effect of calcium on different types of colorectal lesions or how other aspects of diet may alter the effects of calcium. To explore...

Other highlights in the June 16 JNCI

...ffected estrogen metabolism. However, there was no association between the common variations in the genes and breast cancer risk. Contact: Michael Regnier, Cancer Research UK, 44-207-061-8302, michael.regnier@cancer.org.uk Study Suggests a Possible Target for Treatment of Gastric Cancer Inhibition of hypoxia...

Existing drug may prevent brain injury and seizures in newborns

...to hypoxia-ischemia can develop epilepsy, often in association with neuromotor deficits. "Currently, there is no effective intervention for these newborns to prevent brain injury and long-term brain abnormalities," notes Jensen. Animal studies have suggested that seizures in the immature brain can cause per...

UCLA researchers recreate patterns formed by mammalian cells

...y the simulation. This may help explain the known association of warfarin with birth defects. "The abnormal cell pattern resulting from adding warfarin, may give researchers some insight into how birth defects develop," said Garfinkel. The next step, Garfinkel added, is to generate more complex patterns by ad...

Ecosystem bounces back from hurricanes

...ne Fran (1996), but massive fish kills occurred in association with severe dissolved oxygen deficits and high containment loadings (total inorganic nitrogen, total phosphorus, suspended solids, fecal bacteria). The high water volume of the second hurricane season (Hurricanes Dennis, Floyd, Irene in 1999) deliver...

Obesity and hypertension: Two epidemics or one?

...tension is well known, but the exact nature of the association between the two disorders remains unclear. Obes...ghout the non-obese range. But the strength of the association of obesity with hypertension varies among different racial and ethnic groups. Generally, risk estima...

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