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Tag: "affect" at biology news

Math that powers spam filters used to understand how brain learns to move our muscles

...“We used the idea that prior experience and belief affect the probability of future outcomes, such as taking an alternate route to work on Friday because you’ve experienced heavy traffic Tuesday, Wednesday and Thursday and believe strongly that Friday will be just as bad,” says Shadmehr. E-mail spam filters...

Modeling the restless brain

...ry important processes going on in the brain which affect the stimulus-responses that the brain will produce...ders such as Alzheimer's disease that are known to affect the brain's connections. It also could help explain why humans do not think alike. "If fluctuati...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...n it is growing inside the red cell. These changes affect how drugs like chloroquine enter the parasite, and how efficiently they bind to pre-crystalline heme. If these drugs can't enter blood cells as efficiently, and if the efficiency of heme binding is pushed in the wrong direction, they can't prevent he...

Stroke study sheds light on left-right brain divide

... suffering a stroke in the left frontal region can affect aspects of speech and language, but this research highlights, for the first time, the additional challenges that people with right frontal-lobe damage might face in everyday life.’ 23 people, each with frontal lobe damage, performed a ‘rule-switch...

Rising skin cancer rates are more likely to affect wealthy people, says 12-year review

...eland since the early 1990s and are more likely to affect men, older people and those living in more affluen...nt melanoma. Affluence didn’t, however, seem to affect squamous cell carcinoma. Malignant melanomas showed the greatest increase over the 12-year study ...

U-M researchers discover gene switched off in cancer can be turned on

...ne deacetylase inhibitors, or HDAC inhibitors, can affect gene expression, the researchers applied these drugs to the cells and found the BRM expression could be restored – like flipping the switch back on. While the existing HDAC inhibitors did return BRM expression, the effect was short-lived. Once the...

Massive herds of animals found to still exist in Southern Sudan

...orks in the area without determining how this will affect the wildlife and without appropriate environmental impact assessments and mitigation plans in place. Resettlement in areas depopulated during the war is putting stress on the land. Thousands of refugees and internally displaced people are on the move...

Researchers reveal structure of protein altered in autism

...es has discovered how particular genetic mutations affect this complex and contribute to the developmental a...w make predictions about how mutations in the gene affect the structure of the gene product,” said first author Davide Comoletti, Ph.D., UCSD research associa...

Marine phytoplankton changes form to protect itself from different predators

... behavior also shows how environmental factors can affect even simple organisms, Hay noted. Phaeocystis suppresses colony formation in the presence of chemical signals from copepods and remains as small, solitary cells like these that are only a few micrometers in diameter. Conducted largely at ...

Runners -- Let thirst be your guide

... such small degrees, and it does not significantly affect us.” But he adds that endurance exercisers who don’t want to rely on their body’s thirst meter have another excellent option, and that is undertaking a sweat test. This involves recording a person’s weight digitally, then running on a treadmill fo...

Researchers demonstrate way to control tree height

...bout any height in between. Other changes can also affect foliage shapes or color in very attractive ways, and some might have value in cleaning up environmental pollution. In their studies, OSU scientists were able to create young poplar trees, which grow rapidly and can reach a mature height of 150 fee...

Researchers identify protein pathway involved in Parkinson disease development

...opment. These new findings show how the mutations affect cellular function and could provide a target for drug therapies to treat the disease. The research by a team of Emory University scientists will be published June 18 in the Public Library of Science Biology (PLoS Biology) journal. Parkinson disea...

Surprising origin of cell's internal highways

...ynamics. "Many classic chemotherapy strategies affect microtubules, although it's not quite clear how these drugs influence cancer cells differently than normal cells," said Kaverina. "Both microtubule regulation of proliferation and microtubule regulation of migration and invasion probably contribute t...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

...bating these diseases. One possibility would be to affect the activity of the genes and therefore help the mosquitoes fight off the viruses more effectively, preventing transmission to humans. Imperial College scientists participating in this study established previously that other mosquitoes do have a r...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

...to treat inflammatory neurological conditions that affect millions."...

New research shows sharks use their noses and bodies to locate smells

...he lateral line increased search time, but did not affect success rate or plume preference. However, lesioned animals no longer discriminated between sources of turbulent and oozing odor. In the dark, search time of lesioned animals further increased, and the few animals that located any of the targets did ...

Common treatment for methamphetamine overdose may damage brain cells

...rmine how atypical antipsychotic medications would affect methamphetamine toxicity in the same model." The rats in the experiment were injected with either methamphetamine or a saline solution over a period of eight hours. When the rats were given haloperidol before and nearly halfway through the eight-h...

Mule deer moms rescue other fawns

...er than fight for most of their lives, so this may affect their ability to mount an aggressive defence," Lingle said. ...

Lessons from the orangutans: Upright walking may have begun in the trees

...abitat would have on their locomotion. These could affect energy levels, for example, if they have to go to the ground, which is incredibly risky because the Sumatran tiger is down there licking its lips. The Sumatran orangutan population is predicted to be extinct in the next decade if habitat degradation ...

Early exposure to indoor fungus molecules may protect infants against future allergies

... needed to determine how early microbial exposures affect the development of certain allergic conditions—including asthma, dermatitis and hay fever—later in life....

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