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Tag: "increase" at biology news

Indicators for risk of heart disease are higher in passive smokers

...results in a disproportionate rise in markers that increase the risk of cardiovascular disease, University of ...mocysteine observed in the study translate into an increase in a disease risk of five per cent, although the combined effect due to other processes is likely to...

Blame the brain for high blood pressure

...th drugs that reduce blood vessel inflammation and increase blood flow within the brain. The future challenge will be to understand the type of inflammation within the vessels in the brain, so that we know what drug to use, and how to target them. JAM-1 could provide us with new clues as to how to deal with t...

Vasectomy may put men at risk for type of dementia

...e you this disease, but it may be a risk factor to increase your chance of getting it." In addition, the men who had undergone a vasectomy developed PPA at a younger age (58 years) than men with PPA who hadn't had one (62 years.) While PPA robs people of their ability to speak and understand language...

How badger culling creates conditions for spread of bovine TB

...ay actually have been a contributory factor to the increase in disease through perturbation. The results presented in this paper lend weight to this argument." "The development of successful strategies for the control of TB in badgers and transmission to cattle will require serious consideration of the lik...

Wheat can fatally starve insect predators

...sed numbers of larvae on a plant caused a parallel increase in lectin. This shows that wheat plant responses to these insects are localized and take less energy than a more global resistance response. "Figuring out some of the ways that a plant is able to respond to insects with resistance will be useful i...

The price of vanity: Mating with showy males may reduce offspring's ability to fight off pathogens

...s are correlated, female choice also results in an increase in female testosterone levels. Testosterone is an immune suppressor, and increases in testosterone can reduce an animal's ability to fight off diseases. Therefore, a female's choice of a male with exaggerated ornaments may make her daughters and ...

Darwin's famous finches and Venter's marine microbes

...le to make them more sensitive and diverse, and so increase their power to categorize novel sequences." Diversity of microbial kinases In a separate study, Manning, Zhai, and first author Natarajan Kannan, Ph.D., a postdoctoral researcher in the lab of HHMI investigator and UCSD professor Susan S. Tay...

Stability of mRNA/DNA and DNA/DNA duplexes modulates mRNA transcription

...ity of the region near 3?end of genes. mRNA levels increase with decreasing thermodynamic stability of this region. "The observed correlations are impressive, given that several other factors like promoter effectiveness, promoter regulation, and mRNA half-life directly influence mRNA level, as well," says Sto...

Elucidation of the genome for diabetics with DNA chips

...edicted that this number will double by 2030. This increase in the number of diabetics is linked to the obesity epidemic, which currently affects 1.1 thousand million people, including 150 million children. However, heredity also makes a major contribution to the development of DT2. Abnormalities in insulin s...

Study to explore using magnets to correct 'sunken chest'

...e severity of the deformity. It can be adjusted to increase or decrease the pull on the breastbone in the same way that orthodontic braces are loosened or tightened. If successful, the 3MP could revolutionize treatment of pectus excavatum, according to Harrison. Current approaches to correcting sunken ches...

20-year study shows significant rise in childhood obesity, especially among girls

...er than her 1982 counterpart, with a 13.3 per cent increase in BMI. Boys were, on average, 1.1 per cent taller and 7.6 per cent heavier, with a 5.1 per cent increase in BMI. 540 children were studied in 1982 and a further 540 in 2002 ?with equal numbers of girl...

What's in the water? Estrogenic activity documented in fish caught in Pittsburgh's rivers

... fish, especially by semi-subsistence anglers, may increase the risk for endocrine-mediated health endpoints like some cancers and developmental problems." ...

Cancer vaccines -- Taking a jab at cancer by stimulating the immune system

...ection. Likewise, the patients also experienced an increase in effector T cells, white blood cells that respon...regulatory T cells while still benefiting from the increase of effector T cells," Lepisto said. Each year, pancreatic cancer kills approximately 32,000 peopl...

Gene that makes people 'early to bed and early to rise' demystified

...th FASPS. In contrast, a mutation that mimicked an increase in phosphorylation at amino acid 662 increased the transcription of PER2 and pushed the animals' sleep pattern later. Their studies in mice revealed that the amino acid change associated with FASPS, which alters the charge of the residue, alters th...

World's largest flower evolved from family of much tinier blooms

...ho was not involved in this research. "The massive increase in flower size is one of the most significant among living organisms, and could never have been deduced by conventional methods." Found growing on the jungle floor in parts of southeastern Asia, rafflesia is unusual in more than just its flower's s...

Researchers develop technique for bacteria crowd control

... an environment of a specific pH level, so that an increase or decrease of pH stimulates the bacteria to avoid areas of non-comfortable pH and swim in the direction of pH gradient. The researchers used an electric current to create a controlled deviation of the pH levels from the bulk values. Since only liv...

Researchers urge monitoring of bone health during chemotherapy

...so far shown no adverse effects on survival and no increase in bone metastasis. In fact, breast-cancer patient...nto mice, those getting G-CSF developed a two-fold increase in tumor burden, a measure of the size and severity of tumors, compared to those that did not receiv...

Study identifies risk factors for spread of respiratory infections in hospitals

...ors note, it is a common practice for hospitals to increase the number of hospital beds inside a ward to meet the increasing demand, especially during an epidemic. When the distance between beds is reduced, exhaled droplets can spread from one patient to adjacent patients, spreading infection. Health care...

Illuminating the dark side of plants

...o a great book. New graphics and formal structure increase its value for the lay person and the clinician." Handbook of Poisonous and Injurious Plants presents clear information on hundreds of plants. It is lavishly illustrated, elegantly highlighting each plant's distinguishing characteristics. The ima...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...ade, neuroscientists have known that the brain can increase its plasticity, or adapt, in response to injury that limits bodily motion. This latest study is the first to show such an impressive enhancement of brain activity in an animal with sensory loss. Losing sight, hearing, taste, smell or touch are common...

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