Tag: "quite" at biology news

OHSU turns mouse into factory for human liver cells

...pecies specific. "Animal liver cells process drugs quite differently than human liver cells do," he said. Another obstacle for drug companies is the human liver cell market is filled with poor-quality or nonviable cells isolated primarily from human cadaver livers left over after high-quality livers nee...

Genetic factors strongly shape how peers are chosen

...e said. The effects of peers in adolescence can be quite powerful, either encouraging or discouraging deviant behaviors. Peers also provide access to substances of abuse....

Disabling a sensory organ prompts female mice to act like male mice

...n. What occurs in humans and other animals may be quite different, Dulac noted, because the mouse depends largely on pheromones and its sense of smell, while humans and many other animals respond more to visual cues or a combination of sensory cues. Scientists have been studying the vomeronasal organ fo...

Penn researchers discover pathway that eliminates genetic defects in red blood cells

...iously observed and predicts that theres something quite unusual about how RNAs are handled in red blood cells. Were interested in how this specific surveillance system works in red blood cells because such understanding will increase our knowledge of how these cells make high levels of hemoglobin and how ...

New study demonstrates important role of glia in circadian timing

...nisms in Drosophila and mammals says that they are quite similar. He stresses that, although there is much work left to be done, there are potentially broad implications for understanding the etiology of diseases that are affected by altered biological timing mechanisms, such as the human sleep-wake cycle....

Cost-effective method for gene silencing is featured in Cold Spring Harbor Protocols

... chemical synthesis of RNA molecules, which can be quite costly. A freely accessible article from this months release of Cold Spring Harbor Protocols ( www.cshprotocols.org ) addresses this problem; it describes a cost-effective approach for generating silencing RNAs, called esiRNAs, to efficiently targ...

'The Man Who Saved The Sea Turtles'

...st In and Out of Africa, 1964, in particular) were quite successful among general audiences and helped spread the message of conservation to the masses. For all of his many accomplishments, Archie Carrs greatest talent may have been his ability to build consensus, Davis said. He conveyed a folksy, non-th...

Cell damage caused by brushing may help keep gums healthy

... since its not a hard surface, it transmits forces quite readily. The gum, tongue and other surfaces in the oral cavity are covered with layers of epithelial cells that serve as a natural boundary between what goes in the mouth and the blood supply. As food digests, nutrients and other desirables move ac...

Caffeine and exercise can team up to prevent skin cancer

...railed from the track leading to skin cancer were quite dramatic, Conney said. Compared to the UVB-exposed control animals, the caffeine drinkers showed an approximately 95 percent increase in UVB-induced apoptosis, the exercisers showed a 120 percent increase, while the mice that were both drinking an...

Isoprene emission from plants -- a volatile answer to heat stress

...ogical role of isoprene emission, which is clearly quite costly to the plant, is still under vigorous debate. One of the most popular hypotheses suggests that isoprene protects the metabolic processes in the leaf, in particular photosynthesis (the process by which plants use light energy to fix CO2 and p...

When off-target is right on

...he probability that it will bind to a wrong one by quite a bit. Thus, the quality of recognition i.e. the ratio of the right to wrong binding probabilities increases. This simple mechanism is coined 'conformational proofreading' and may explain the observed deformations in many biological recognition ...

U-M researchers identify gene involved in breast cancer

... at higher risk. For treatment, this gene could be quite important, but for diagnosis, its too early to tell, says study author Yang Liu, Ph.D., deNancrede Professor of Surgery at the U-M Medical School and co-director of the cancer immunology program at the U-M Comprehensive Cancer Center. Results of the ...

Study points to new way to predict death risk from torn aorta

...s totally filled with clotted blood which happens quite infrequently have an intermediate risk of death. It appears that this may be a new predictor of which patients are most at risk knowledge that might help guide decisions about when its wise to proceed with more aggressive treatment and when we c...

Learning a second language -- Is it all in your head?

...versity neuroscientists suggests that the problem, quite literally, could be in your head. Our study links brain anatomy to the ability to learn a second language in adulthood, said neuroscientist Patrick Wong, assistant professor of communication sciences and disorders at Northwestern and lead author of a...

Study identifies new gene therapy tools for inherited blindness

...elements previously available for gene therapy was quite limited," Corbo explains. By some estimates, photoreceptors are the most energy-intensive cells in the human body, consuming more power than any other cell type. Unfortunately, high energy also brings a high degree of volatility. "If anything goes ...

Humboldt squid on the move

... of feet below the sea surface, where the water is quite cold (less than eight degrees Centigrade). Thus, their colonization of Central California waters is not simply a response to a localizedwarming of the ocean. Zeidberg and Robison suggest that Humboldt squid populations may be growing and expanding...

Eat fish -- especially if you drink high levels of alcohol

...the low numbers in this population, although it is quite possible that we would obtain similar findings. The changes we found indicate that those who drink alcohol make food selections in such a way as to decrease foods with this important nutrient. The binge-drinking men have decreases in the longer chai...

Probing biology's dark matter

... genetic material within that solution is actually quite high meaning Quake and his colleagues can easily amplify and analyze the genome of an individual cell, eliminating the need to persuade the organism to multiply in a laboratory culture. The chip offers the potential to discover untold new species of...

Researchers discover gene responsible for Restless Legs Syndrome

... that has been reported to date. We have known for quite some time that the majority of RLS patients have a close family member with the disorder, and now we have found a gene which is clearly linked to RLS," says Dr. Rye. The researchers report a population-attributable risk for RLS of at least 50 perce...

Nature's secrets yield new adhesive material

...he level of adherence was 98 percent. This isnt quite a home run, but its somewhere in between a double and a triple, said Lee, who devised on his own a special imaging devise to visualize individual pillars during the experiments. Messersmith said that while the results are extremely promising, his...

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(Date:4/22/2014)... Inspired by the fist-like club of a mantis ... California, Riverside, in collaboration with University of Southern California ... composite materials that is more impact resistant and tougher ... we study the club of this tiny crustacean, the ... things we use every day," said David Kisailus, a ...
(Date:4/22/2014)... University of Massachusetts Amherst and the Instituto Nacional de ... they have discovered a new genus and species of ... in the Amazonia State of Brazil. , Professor Cristina ... Jos Antnio Alves-Gomes of INPA, describe the new bluntnose ... Proceedings of the Natural Sciences of Philadelphia . ...
(Date:4/22/2014)... American Societies for Experimental Biology (FASEB) has released ... how funding from the National Institutes of Health (NIH) ... Rico. "FASEB is pleased to make these factsheets available ... NIH to their state," said FASEB President, Margaret K. ... for biomedical research funding, investing $29.2 billion in ...
Breaking Biology News(10 mins):Mantis shrimp stronger than airplanes 2Mantis shrimp stronger than airplanes 3New electric fish genus and species discovered in Brazil's Rio Negro 2
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