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Tag: "behavior" at biology news

Largest genomic search finds genes that may contribute to autism

... to allow researchers "to go from gene to brain to behavior in a way we haven't gone before," she said. "This... relationships. It is often accompanied by extreme behavior challenges. Autism Spectrum Disorders are diagnosed in one of 166 children in the United States and...

Chimpanzees found to use tools to hunt mammalian prey

...observed that tool-crafting and associated hunting behavior was systematic and consistent, suggesting that it was habitual. The hunting behavior included forceful jabbing motions into branch or trunk hollows, and chimpanzees were seen to subsequ...

Microfluidic chip helps solve cellular mating puzzle

...e to view a microfluidic chip and study the mating behavior of yeast cells in response to different concentrations of pheromone in the presence or absence of Kss1. They were surprised to find that this second MAPK, thought to be relatively unimportant, actually helped the yeast cells do a better job of findin...

Tissue engineering for craniofacial reconstruction

...scaffold architecture can profoundly influence the behavior of cells on tissue-engineering constructs. Today, during the 85th General Session of the International Association for Dental Research, scientists are reporting on High Internal Phase Emulsion (HIPE) polymerization, which affords tremendous control ...

Cracking open the black box of autoimmune disease

...their level of activity, which in turn affects the behavior of cells. In fact, when Foxp3 stops functioning, the body can no longer produce working regulatory T cells. When this happens, the frontline T cells damage multiple organs and cause symptoms of type 1 diabetes and Crohn's disease. However, until now,...

1/3 of sexually active older adults with HIV/AIDs has unprotected sex

... “Those who are more likely to engage in riskier behavior ?for example, those who are using drugs ?are more likely to have unprotected sex,?said graduate student Travis Lovejoy, who led the study along with Ohio University health psychologist Timothy Heckman. “What we don’t know yet is whether these individ...

Army research mission focused on autism

...ers for Disease Control. Alterations in health and behavior vary widely from mild to severe, leading to their ...ynolds speaks from experience. With biomedical and behavior intervention, her son is now a well-functioning 11 year old. "We were lucky to find what worked b...

The influence of the menstrual cycle on the female brain

...e brain during the follicular phase would modulate behavior linked to obtaining rewards, such as approach behavior during reward anticipation and hedonistic behavior when the reward is received. These results, at ...

New insights into autoimmunity and depression

...k delivered 24-hours earlier. Depression-like behavior was strongly observed in the performance of anti-r...ing, staircase, and rotarod tests. Depression-like behavior was significantly blocked by long-term treatment with fluoxetine, but not by short- or long-term tre...

NIH neuroscience microarray consortium launches high-throughput genotyping services

..."scientists investigating any aspect of the brain, behavior or neurological disease have access to a full range of microarray technologies for scanning the entire human genome and all of the genes for which it encodes." Each of the four members of the Consortium offer specialized services. The Translationa...

Does a peptide affect the heart's response to social isolation?

...ronment plays an important role in regulating both behavior and cardiovascular function in humans. Negative so...nvestigating how the social environment influences behavior and cardiac function. Earlier studies by this research team showed that when prairie voles were isol...

New UD technology removes viruses from drinking water

...vestigating the survival, attachment and transport behavior of viruses in soil and groundwater aquifers. One of the projects, which was sponsored by the American Water Works Association Research Foundation, involved testing virus transport potential in soils collected from different regions across the United ...

New imaging technique tracks traffic patterns of white blood cells

...oves on prior intravital observations of leukocyte behavior in vivo by allowing the near-simultaneous observation of cell surface markers and microdomains." Researchers explored various mouse models including that of Sickle Cell disease which is a common inherited blood disorder in the United States, affec...

Prion disease treatable if caught early

... prion protein, their memory ability and burrowing behavior recovered. Importantly, found the researchers, the signaling among brain cells also recovered. "Overall, we conclude that the dramatic benefits to neuronal function and survival in prion-infected mice we have shown here support targeting neuronal ...

ASU researchers test antibacterial effects of healing clays

...a colleague was studying geophasia ?eating clay, a behavior seen in animals and people, since the time of the aborigines. "In the South Appalachian Mountains, poor women would eat the local clay to help soothe nausea and stomach ailments, particularly during pregnancy. The clay was rich in kaolinite. (Kaol...

Low levels of neurotransmitter serotonin may perpetuate child abuse across generations

...turally occurring individual variation in maternal behavior in monkeys can affect the brain development of the...ched how their mothers parented and repeated their behavior or whether their early experience produced long-term changes in brain processes that regulate emotio...

Gene key to taste bud development identified

...ngs will help scientists better understand how the behavior of certain stem cells is controlled. The SOX2 gene is already known to be crucial in controlling whether embryonic stem cells remain undifferentiated and whether stem cells in the brain, eye and inner ear differentiate into specialized nerve cells. ...

Cloned mice created from fully differentiated cells, a milestone in cloning research

... a role in understanding or even reprogramming the behavior of cancer stem cells. Such studies may potentially reveal a new set of molecular targets that could aid in the treatment of cancer," says Dr. Cheng. ...

OHSU researchers demonstrate how white blood cells cannibalize virus-infected cells

...r and his colleague, Scott Wetzel, noted a similar behavior in CD4+ T-cells, often called "helper" T-cells, which are less aggressive T-cells but also an important aspect of the immune system. "Another interesting finding for our lab is that in some ways, T-cells can be picky eaters," explained Slifka. "Alt...

With fruit fly sex, researchers find mind-body connection

... Doublesex, new research shows, is responsible for behavior differences as well. The finding, made by Brown Un...field, is that genetic interactions that influence behavior are more complex than we thought," said Michael McKeown, a Brown biologist who led the research. "In...

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