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Tag: "possibility" at biology news

New human retrovirus originated in mice

...s, the researchers said their discovery raises the possibility that increased susceptibility to viral infection may play a role in development of some cancers. However, they emphasized that their findings by no means implicate the virus, dubbed XMRV, in causing prostate cancer. The virus may well have flourished...

Widespread elephant slaughter discovered in Chad

...ther the drop reflected a loss of elephants or the possibility that a large herd was missed in the second count. The latest survey, partly funded by National Geographic, was commissioned to assess the level of poaching during the wet season, when the elephants wander outside park limits to forage and are vulnera...

Drug triggers body's mechanism to reverse aging effect on memory process

...d neurobiology. "Our results indicate the exciting possibility that ampakines could be used to treat learning and memory loss associated with normal aging." The researchers treated two groups of middle-aged rats twice a day for four days with either a solution that contained ampakines or one that did not. They...

Memory loss affects more of the brain than previously thought

...al lobes in the earliest stages of AD suggests the possibility of a breakdown in the communication pathway between these two regions, which house short-term and long-term memory, respectively," said lead author Jeffrey R. Petrella, M.D., associate professor of radiology and director of Alzheimer's Disease Imagin...

Survival of the selfless - scientists find cheats don't always prosper

...idly in response to simple environmental cues. The possibility that one type could become both a cheater and a cooperator depending on what's needed at the time is intriguing. We hope examining social conflict at the level of individual cells will shed more light on this." ...

Ancient global warming drove early primates' dispersal

...rope and Greenland to reach North America. Another possibility is that they originated in North America and traveled across a temporary land bridge connecting Siberia and Alaska. A third hypothesis is that primates had their origins in Africa or Asia and traveled through North America to reach western Europe. Fi...

Radiation-killed bacteria vaccine induces broad immune response in mice

...system, Dr. Raz and his colleagues have opened the possibility of making a variety of bacterial vaccines that combine the best features of both killed-agent and live, attenuated vaccines," says NIAID Director Anthony S. Fauci, M.D. Earlier research in Dr. Raz's laboratory had shown that irradiated probiotics...

Nanowire arrays can detect signals along individual neurons

...discovery and other applications; and it opens the possibility for hybrid circuits that couple the strengths of digital nanoelectronic and biological computing components." ...

Brain enzyme treatment relieves memory lapse in Alzheimer's mice

...ll in Uch-L1 activity in response to Aß raises the possibility that, in the Alzheimer's brain, Aß initiates a signaling cascade that results in the partial inhibition of proteasome activity more rapidly than is likely as the result of the accumulation of misfolded or undigestable proteins." "Our data suggest t...

Mechanism identified for promising neurological drug

... to PARP-1 inhibition. "This doesn't exclude the possibility that it has other actions," says Swanson, "but as far as we can tell, the only way it blocks inflammation is by blocking PARP-1." Swanson says the results have implications beyond the general principle that "it helps to know how a drug is working." ...

Despite acidity, orange juice could still be a source of foodborne disease

.... Public health officials should be aware of this possibility and on guard, say scientists presenting today at the 106th General Meeting of the American Society for Microbiology (ASM) in Orlando, Florida. "The more we find out about the behavior of microorganisms in non-potentially hazardous foods the more we a...

Scientists aim to thwart use of flu as bioweapon

...ter understand the flu and also how to prevent the possibility that terrorists could somehow modify flu as a bioweapon to make it even more lethal than it is already. Among the highlights of this week's two-day symposium, hosted by the University of Rochester Center for Biodefense Immune Modeling, is a lecture ...

Buckyballs boost antibody's chemotherapy payload

...ome drug resistant, and we hope to cut down on the possibility of their escaping treatment by attacking them with more than one kind of drug at a time." Researchers have long dreamed of using antibodies like ZME-018 to better target chemotherapy drugs like Taxol, and M. D. Anderson's Michael G. Rosenblum, Ph.D....

Chromosomal abnormalities in sperm higher after vasectomy reversal

... I think that doctors need to be very aware of the possibility that babies born after vasectomy reversal may have problems." Their findings may not affect babies conceived naturally after such a procedure, says Professor Sukchareon, since the female genital tract may select the best sperm for fertilisation. ...

How HIV 'exhausts' killer T cells

...hen to treat someone, but we are excited about the possibility that adding PD-1 measurement might tell us more about the likelihood of progression of the disease and need for treatment in infected people," he said. Walker said that scientists know little about the evolutionary purpose of a pathway that wou...

A new tool against brain disease

...hen to treat someone, but we are excited about the possibility that adding PD-1 measurement might tell us more about the likelihood of progression of the disease and need for treatment in infected people," he said. Walker said that scientists know little about the evolutionary purpose of a pathway that wou...

Breast stem cells have features similar to 'basal' tumors

...dents that have suffered genetic accidents. This possibility has generated great interest in understanding the composition of normal breast cells including the stem cell. A question of particular interest is whether the breast stem cell expresses receptors for oestrogen and progesterone and the marker 'Her2', ...

Slow-frozen people? Latest research supports possibility of cyropreservation

...a century of intensive study ?seems to support the possibility that cells, tissues and even the entire human body could be cyropreserved without formation of damaging ice crystals, according to University of Helsinki researcher Anatoli Bogdan, Ph.D. He conducted the study, scheduled for the July 6 issue of the ...

Researchers identify human DNA on the fast track

...tecture of the brain. According to Haussler, the possibility that the HAR1 regions may play a role in the function of reelin is especially interesting since defects in reelin expression have been associated with schizophrenia and other mental disorders. "We still can't say much about the function [of the DNA c...

Researchers link two more genes to sudden infant death syndrome

...udden infant death syndrome (SIDS), increasing the possibility that genetic defects of the heart may cause up to 15 percent of SIDS cases. This research will be presented Friday at Heart Rhythm 2006, the 27th Annual Scientific Sessions of the Heart Rhythm Society in Boston. In the two recent separate studies, r...

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