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Tag: "increase" at biology news

Dealing deadly cancers a knockout punch

... studies, its co-administration is not expected to increase a treatment's overall toxicity. Dual Mechanism Reovirus works by entering and replicating within cancer cells containing an activated ras pathway, a mutation present in about two-thirds of all human cancers. Reovirus enters a cancer cell, make...

High-dose anticlotting drug cuts heart attack, death risk in half

...r thrombosis. In addition, the higher dose did not increase the risk of serious bleeding. "This research ha... (p=0.009). There was no statistically significant increase in major or minor bleeding (p=0.55 and p=0.98, respectively). Findings remained the same when the an...

Slowing the racing heart

...ower to induce a rhythmic heartbeat that varies to increase or decrease the blood flow to the body as we eat, sleep or exercise. "Disturbances of pacemaker control are common in heart diseases. When the heartbeat becomes non-rhythmic and chaotic, it can result in fatal arrhythmias and stroke," said R. Joh...

Female-led infanticide in wild chimpanzees

...community had experienced a significant population increase in the ten years prior to the infanticide observat...tio of 1:3, with relatively few males available to increase the home range. According to the authors, the new findings indicate that although low-level aggre...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...their important roles in the marine ecosystem. To increase opportunities for observing the whales, Kelly Newm...1 is designed to minimize the price per launch and increase reliability for low-Earth-orbit satellites (2pSA1). MYTH-BUSTING IN MUSICAL INSTRUMENTS Do vi...

Researchers develop way to calculate speed of bacterial sex

...ful bacteria that are resistant to antibiotics and increase gene flow from genetically modified organisms to native soils. By developing a real-life model of bacterial gene transfer, UC-Davis researchers hoped to gain insight into the rates of bacterial adaptation in the environment. They report their finding...

Implanting dopamine generators in brain cells obtains improvement in Parkinson's in monkeys

...elease substances (trophic factors) that induce an increase of the dopaminergic cells (that usually exist in t...the brain usually contains undergoes an additional increase after the implantation of these cell aggregates. Moreover, this increase in the number of dopaminerg...

Better health twice as likely for nonsmokers who live and work with smoking restrictions

...l goal, to protect the health of nonsmokers and to increase smoking cessation among smokers. Since smoke-free ...ns cannot be legislated, governmental agencies can increase their efforts in developing and testing effective interventions to promote household smoking policie...

Cow protein aids in treatment of gastrointestinal disorder

...w antibiotics and different therapeutic methods to increase the efficacy of H. pylori therapy,?says lead author Nicola de Bortoli, M.D., Ph.D., adding that “data suggest that antibiotic resistance is frequent and clinicians are realizing that use of an additional agent may be necessary for therapy.? ...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

...cientific community that free radical damage could increase the risk of prostate cancer, a disease that has be... chance, however beta carotene is already known to increase risk of lung cancer and cardiovascular disease in smokers," Peters said. "While it would be coun...

Study shows dramatic increase in Caesarean sections

...during the same time, there has been a 70 per cent increase in the number of emergency caesareans," Ms O'Leary...ean section are higher in uninsured women. "The increase in caesarean rates also has a significant impact on health costs in both the public and private sect...

Hives ferment a yeasty brew, attract beetle pest

...itute, a food sometimes provided for bees, did not increase the amounts of IPA produced. "We are not really sure how the yeast gets into the colony," says Tumlinson. "Perhaps one beetle finds and carries the yeast in and it reproduces, or, because the yeast grows on pollen in nature, perhaps bees bring it...

Switching genes to overdrive improves muscular dystrophy symptoms in mice

... levels of PGC-1alpha in the muscles of mice could increase the activity of genes that are known to behave abnormally in muscular dystrophy. PGC-1alpha is known as a “transcriptional coactivator?that functions as a switch, or perhaps more accurately, like a light dimmer that increases or decreases the acti...

Revealing the machinery underlying the 'plastic' juvenile brain

...chers administered a drug to adult mice that would increase chemical modification of histone. They found that such adult mice, indeed, showed an increase in a form of visual plasticity. "Our results show that visual experience differently activates in...

NIDA study identifies genes that might help some people abstain from smoking

...ave for the first time identified genes that might increase a person’s ability to abstain from smoking. The br...stand the actual mechanisms through which they may increase or reduce the rates of successful quitting. Dr. Uhl says he and his colleagues have replicated ...

It's never too late to get it back! Aging interrupted

...research has shown that reduced calorie intake can increase health and longevity. Professor Stephen Spindler (University of California) and his collaborators* have discovered that reducing calorie intake later in life can still induce many of the health and longevity benefits of life-long calorie reduction. I...

Whiteflies and plant viruses can help each other to speed up biological invasion

...with the plant viruses it transmits and is able to increase its population much faster on virus-infected plant...ower trade. The question remains how this pest can increase so rapidly and displace native biotypes of whitefly after it has been transported to new localities....

Studies force new view on biology of flavonoids

...ioxidant than flavonoids. The large increase in total antioxidant capacity of blood observed af...n," Frei added. It also appears that flavonoids increase the activation of existing nitric oxide synthase, which has the effect of keeping blood vessels heal...

Rapid response was crucial to containing the 1918 flu pandemic

...ry hard to develop pandemic influenza vaccines and increase the speed with which they can be made, nonpharmaceutical interventions may buy valuable time at the beginning of a pandemic while a targeted vaccine is being produced.? The historical analyses are part of an ongoing effort called the Models of Inf...

Researchers find link between food odors and lifespan in fruit flies

...own for decades that restricted dietary intake can increase the lifespan of many species, but the mechanism th...own for decades that restricted dietary intake can increase the lifespan of many species, but the mechanism that causes this is not understood. Short-lived orga...

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