Tag: "increases" at biology news

Fat hormone acts on brain circuit to curb obesity, diabetes

... age. The restored mice also exhibited significant increases in locomotor activity compared to leptin-deficient mice. Their activity levels were equivalent to that typical of normal mice. While earlier studies had shown that leptin acts primarily through its effects on the central nervous system, the findings ...

Jeans too tight? 50 percent of adults can blame their genes and not just diet and exercise

...eing obese. The risk of heart disease and diabetes increases as person becomes increasingly overweight. 'Risk factors' seem to become a neutral term but they're not at all neutral. They can be a death sentence."...

Sinking coastlines may precede large subduction zone quakes

...high tide mark, so that subsidence of a few inches increases slightly the saltiness of the march, either through salt spray or intrusion of salt water at high tide, and shifts the species of foraminifera living there. Marshes like those sampled in this study would be ideal sites for installation of tiltmeters,...

The Cochrane Library Newsletter, 2005, Issue 1

...ving steroids after severe brain injury because it increases death rates. Traumatic brain injury is a leading cause of death and disability. In the US alone, over 33,000 people suffer some form of brain injury related disability each year. Since early reports of benefit in the 1960s, doctors have used cort...

Hypertension risk in African-Americans linked to genetics, Stanford study finds

... the African version of a gene in that region that increases their chances of developing high blood pressure. R...'s still the problem of figuring out how that gene increases high blood pressure risk. Does it simply enhance problems caused by a bad diet, or would the gene al...

Plant protein mimics hormone that mitigates diabetes and obesity

...process called "AMP kinase phosphorylation," which increases both sugar and fat use by muscle cells. "By binding to the adiponectin receptor, osmotin, like adiponectin, can control the energy status of muscle cells, " said Meena Narsimhan, research scientist at Purdue's Bindley Bioscience Center and a study co...

By age 6, children of overweight mothers are also prone to obesity

...t and more body fat by age six. "We found dramatic increases in body fat between ages three and six," said lead researcher Robert I. Berkowitz, M.D., chair of Child and Adolescent Psychiatry and executive director of the Behavioral Health Center at The Children's Hospital of Philadelphia. "This suggests that s...

Study in Royal Society journal on sense of fairness in chimpanzees

...ety B: Biological Sciences Tolerance for inequity increases with social closeness in chimpanzees by Dr SF Brosnan, Dr HC Schiff and Dr FBM de Waal The evolution of the sense of fairness may have involved the strength of social connections, according to researchers at the Yerkes National Primate Research Cente...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

... blood levels of cholesterol and triglycerides and increases one's risk of heart disease and certain cancers. In the Jan. 28 issue of Cell, scientists led by Bruce Spiegelman, PhD, report that the harmful effects of saturated and trans fats are set in motion by a biochemical switch, or co-activator, in liver c...

Green tea extract boosts exercise endurance 8-24%, utilizing fat as energy source

..."Green tea extract improves endurance capacity and increases muscle lipid oxidation in mice." Research was conducted by Takatoshi Murase, Satoshi Haramizu, Akira Shimotoyodome, Azumi Nagasawa and Ichiro Tokimitsu, working at Kao Corp., a Japanese maker of healthcare products, including green tea beverages. Re...

Despite causes of lupus proving complex, critical 'checkpoint' suggesting new therapy is revealed

...Fc receptors back into working order. Their modest increases in Fc receptor activity -- the equivalent of effective gene therapy in humans -- was enough to push the mice back to health. "The difference between immune and autoimmune for each individual is quite small," he added. "We were able to reestablish th...

Calcium may protect women from cancer

...se of cancer death, and the risk of contracting it increases with age. Flood notes that more research needs to be done to understand why and how calcium provides protection against colorectal cancer in some women. "We really don't know at this point," Flood said. "There are currently two main theories. One is ...

Wider use of simpler cervical cancer screening could benefit women in developing countries

...f health care systems in developing countries. VIA increases (early) detection of premalignant lesions of the cervix and diminishes the probability of losing women before they are appropriately followed up and treated." "We believe," the article adds, "that VIA can be used as a screening tool in poor countries...

Reviewing scientists say proposed conservation measures unlikely to help whales

...ow that the RMP would likely result in significant increases in whale populations over a hundred years, regardless of whale behavior. If whales are largely not migratory in their behavior, then the sanctuary plan would work as well or better, but if at least 50 percent of a given population migrates, then the ...

Scientists reveal cells' 'energy factories' linked to cancer

...events that leads to tumour growth. The discovery increases our understanding of the molecular basis of several types of cancer, which is crucial for the development of new ways to prevent, diagnose and treat the disease. Scientists know that a number of genes that code for the mitochondria's energy generati...

US government list of cancer-causing agents grows

...thyroid cancer. Exposure during reproductive years increases the risk for breast cancer, and exposure later in life increases risk for lung cancer. Exposure to X-radiation and gamma radiation has also been shown to cause cance...

Scientists discuss improved biopesticides for locust control in West Africa

...pecifically a lignin coating for the spores, which increases their resistance to ultraviolet radiation." Research at Virginia Tech demonstrated UV resistance 15 times greater for coated spores as compared to non-coated spores. "This technology is applicable to many other biopesticides and should make them more...

Opposing fat metabolism pathways triggered by a single gene

... nhr-49 sets in motion two opposing pathways: it increases expression of a gene acs-2 , which leads to reduction of fat content, and it increases expression of another gene fat-7 , which, by reducing acs-2 , increases fat content. In its funct...

Melatonin shrinks bird gonads. What does the popular supplement do in humans?

...n binding sites. "We found that melatonin actually increases production of the messenger RNA and the mature peptide, GnIH, and it appeared to be a direct effect. The melatonin is binding to the GnIH neurons in the hypothalamus of quail," he said. To look more closely at the role melatonin plays in the reproduc...

Sexual cooperation: Mating increases longevity in ant queens

...zed prior to mating. It remains unknown how mating increases the longevity of the females. Sexual cooperation, rather than sexual conflict, is promoted by the life history of social insects; whereas most insect females undergo repeated phases of mating and reproduction throughout their lifetime, ant queens in...

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(Date:10/30/2014)... North Carolina State University researchers have developed a suite ... between dogs and humans, which has applications in everything ... our pets. , "We,ve developed a platform for computer-mediated ... to new avenues for interpreting dogs, behavioral signals and ... Dr. David Roberts, an assistant professor of computer science ...
(Date:10/29/2014)... by unconventional oil and gas production are well over ... the open access journal Environmental Health . High ... The study is the first to be based on ... and could be used to supplement official air-quality monitoring ... that do not readily flow to the surface. This ...
(Date:10/29/2014)... (October 29, 2014, Beaverton, OR) New research ... 11th International Conference in Houston, TX showed for ... eliminate HPV infection in women using a readily ... The study, presented by Dr. Judith A. Smith, ... Gynecology and Reproductive Sciences at The University of ...
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