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Tag: "actively" at biology news

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...laques might not just causedamage but also somehow actively maintain it.The study, will appear in the Feb. 5 issue of the Journal of ClinicalInvestigation.Lead author Robert Brendza, Ph.D., research instructor, began theexperiment with one key question: how did clearance of brain plaques,made possible by the ...

Key molecule in plant photo-protection identified

...laques might not just causedamage but also somehow actively maintain it.The study, will appear in the Feb. 5 issue of the Journal of ClinicalInvestigation.Lead author Robert Brendza, Ph.D., research instructor, began theexperiment with one key question: how did clearance of brain plaques,made possible by the ...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

... is made. According to Gilmore, “These bacteriaare actively probing their environment for enemies or food. Based onwhether or not they ‘see?other cells, they make the toxinappropriately.?Gilmore says this discovery has several significant implications forthe future. “This is a new mechanism that nature devise...

Mouse brain tumors mimic those in human genetic disorder

...nth-old mice, despite thefact that the tumors were actively growing only in the younger mice."If this finding is also true in humans, this strongly argues thatcontrast enhancement on MRI alone is not a reliable test of tumorprogression," Gutmann says. "If we rely on contrast enhancement inchildren with NF1 op...

New research questions basic tenet of neuron function

...ent "modes" ?one when the neuron is stimulated and actively relaying a message, and the other through spontaneous release when the neuron is "at rest," or inactive. Until now it was believed that the same synaptic vesicles were responsible for releasing neurotransmitters in both modes. However, new research ...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...rmly for a long time. "In other words, insects are actively keeping oxygen out and doing it in a way that shows they know how to measure oxygen," Bradley said. "Their behavior indicates they are regulating oxygen." Bradley and Hetz will next work on developing a comprehensive model of insect breathing. "We'd...

New Breast Cancer Test Could Save Lives

...ity Gate East, the SETsquared centre in Bristol is actively supporting over 50 nascent entrepreneurs, offering services such as business development, mentoring and cost effective office space. You can hear the team talking about the project in the next series of BBC Radio 4’s Leading Edge, which is due to ai...

White blood cell waste disposal system plays critical regulatory role

...t the process for disposal of dying neutrophils is actively linked to neutrophil production. A clear understan...produced by phagocytes was reduced when phagocytes actively ingested apoptotic neutrophils. Interestingly, mice with abnormal neutrophils that lacked the abilit...

Falling ants glide back to trunk to avoid dangers of forest floor

... Gliding ants ?the only wingless insects known to actively direct their fall ?were first observed last year outside Iquitos, Peru, by insect ecologist Stephen P. Yanoviak of UTMB. While perched 100 feet up in the rainforest canopy waiting for mosquitoes to alight and feed on his blood, Yanoviak casually brus...

LUCA technologies confirms real-time methane generation

...hane-generating Geobioreactors, and two to be less actively generating methane. Three additional sites are not...ne generating, microbial consortia are present and actively forming methane within some of these hydrocarbon substrates. In addition to demonstrating that metha...

Epstein-Barr virus protein crucial to its role in blood cancers

...ed in tissue-culture assays. The investigators are actively pursuing this line of investigation for developing potential therapies. ...

Defensins neutralize anthrax toxin

...ed in tissue-culture assays. The investigators are actively pursuing this line of investigation for developing potential therapies. ...

White Blood Cell 'Waste Disposal' System Plays Critical Regulatory Role

...t the process for disposal of dying neutrophils is actively linked to neutrophil production. A clear understan...produced by phagocytes was reduced when phagocytes actively ingested apoptotic neutrophils. Interestingly, mice with abnormal neutrophils that lacked the abilit...

Marine sponge yields nanoscale secrets

...iscovery, the researchers learned that this enzyme actively promotes the formation of the glass while simultaneously serving as a template to guide the shape of the growing mineral (glass) that it produces. These discoveries are significant because they represent a low temperature, biotechnological, catalyti...

Gladstone investigators discover how resting T cells avoid HIV infection

... in two different-sized forms -- a small form that actively repels the virus, and a large form that is complet...fts the paradigm, showing that resting CD4 T cells actively repel HIV infection through the action of the small, enzymatically active form of A3G, which stops t...

Stealth Worms May Improve Insect Pest Control

...ees, the juvenile nematode waits for (or sometimes actively seeks) an unsuspecting host - a grub or a larva - to jump on it and penetrate it through the insect's natural openings - mouth, anus, spiracles. Or the nematode may enter the host directly by using a dorsal tooth. Once inside the insect, the nematod...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

...ement' originated from an external retrovirus that actively infected ape species in the past. "The reason retroviruses are so deadly, at the genetic level, is that they have a tremendous potential to mess up a gene and interfere with its expression," explained Dr. Evan Eichler, UW associate professor of geno...

Nature provides inspiration for important new adhesive

...at will be in commercial application soon. "We are actively talking to and looking for additional licensees." A few years ago, the forest products industry in the U.S. and Canada was spending more than $2 billion a year on wood adhesives, and the wood composites industry is one of the largest manufacturing s...

'Smart drug' targets deadly brain cancer

...hesized: It found its target -- tumor cells -- and actively worked against them to slow tumor growth. According to the study's lead investigator, Mayo Clinic medical oncologist Evanthia Galanis, M.D., "Treatment was well tolerated, and imaging responses were observed in a significant portion (36 percent) of ...

Gov't Creates Gene Database of Normal Human Tissues

...only a fraction of that, perhaps 10,000 genes, are actively transcribed in normal cell processes." Thus it becomes strategically useful to characterize this essential backdrop. "The normal organ database provides a platform that may help scientists find new targets in the cells of previously incurable cancers...

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