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Tag: "examine" at biology news

Research team identifies new Alzheimer's gene

...til recently, researchers lacked the technology to examine the genetic components of a disease at such a high-level of detail. By utilizing the Affymetrix 500K Arrays, the study’s researchers rapidly produced a genetic map of each brain tissue sample and isolated the GAB2 gene relatively quickly. “This A...

Risk of stroke doubles if diagnosed with Type 2 diabetes

...diagnosis, this is the first study to specifically examine stroke-related outcomes immediately after the diagnosis of and initiation of treatment for Type 2 diabetes. Jeerakathil indicates it is possible that physicians are undertreating stroke risks because of a prevailing attitude among physicians and p...

Common treatment for methamphetamine overdose may damage brain cells

...ipsychotic medications, says Yamamoto, "we hope to examine if the loss of cells results in abnormal involuntary movements resembling Tourette's syndrome and Huntington's disease." ...

Scientists discover 5 new species of sea slugs from the Tropical Eastern Pacific

...alists and using a scanning electron microscope to examine the jaws and other hard parts of the nudibranchs that distinguish species. This was part of the formal project “Phylogenetic Systematics of Nudibranchia,” sponsored by a National Science Foundation grant to Terrence M. Gosliner, senior curator for...

Why do oysters choose to live where they could be eaten?

...er Drs. Richard K. Zimmer and Cheryl Ann Zimmer to examine this apparent paradox. The group set out to find: (1) if oyster larvae are attracted to settle on oyster reefs among adults of the same species because of the potential benefits to group-living, (2) if adult oysters will eat larvae of the same specie...

Diminishing dinosaur steps saved by laser and laptop

...annot get physically close enough to the tracks to examine them. In the years since the tracks were discover...This technology has allowed researchers to closely examine and analyse the Spanish quarry tracks from many different angles and even inside out. This inform...

DNA-damage test could aid drug development

...she suggests, such a test might offer a new way to examine how different individuals respond to chemotherapeutic agents. "The presumption is that, for some biological processes, in vitro human models could be closer to in vivo human than in vivo mouse," notes Shuga. "That premise will be tested in coming ...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...asu-Hiza, PhD, who is the study's first author, to examine the connection between illness and sleep patterns by infecting fruit flies with one of two bacteria - Streptococcus pneumoniae or Listeria monocytogenes. The infected flies lost their "day" and "night" patterns of activity, which are part of the r...

New study examines 'brain's own marijuana'

...ne and his co-investigator, Troy Wood, Ph.D., will examine the relationships between stress, stress-related behavior and addiction using a combination of electrophysiological, pharmacological and neurochemical approaches. They believe this study also may lay the foundation for better pharmacotherapy for stre...

The quest for an effective HIV vaccine presents new possibilities, challenges

...gland Journal of Medicine, Drs. Johnston and Fauci examine the daunting challenges posed by HIV, the evolution of HIV vaccine research, the role T cells may play in HIV vaccine effectiveness, and how the first successful HIV vaccine may fit into a comprehensive HIV/AIDS prevention effort. Vaccines typical...

Latent memory of cells comes to life

...ed mathematical models and computer simulations to examine fundamental mechanisms of cell memory. The research is an interdisciplinary cooperation between molecular biologists and physicists and has just been published in the prestigious scientific journal CELL where it is featured on the cover page (article...

Left-right wiring determined by neural communication in the embryonic worm

...he animal is fully developed, maybe they needed to examine the nervous system of the embryonic worm. Using an electron microscope, they discovered that the developing worm's neural network, which had not previously been mapped, was completely different from that of the mature animal. "A large number of embry...

NIAID expands capability for influenza research and surveillance

...za vaccination and infection. The researchers will examine how human genes might be silenced to decrease or eliminate flu infections; identify new targets for antiviral medicines; and evaluate flu transmission between patients and physicians in the hospital emergency room setting. Emory will also offer a tra...

Rapid response was crucial to containing the 1918 flu pandemic

...DAS, researchers have developed computer models to examine how a future pandemic influenza virus might spread and what interventions could minimize the impact. “Although the MIDAS models can’t predict the exact spread of a potential influenza pandemic, they have all suggested that introducing public heal...

Blood sugar's manufacture limited by building blocks' supply

...sugar production. Meanwhile, Jain plans to further examine the transcription factor's function in other parts of the body where it is active, namely in skeletal and heart muscle. ...

In obesity, brain becomes 'unaware' of fat

...humans differ substantially. His team has plans to examine these effects in overweight primates, whose digestive systems have much more in common with people. The findings do “strongly support the case?that leptin resistance in critical brain regions is a cause of obesity induced by diet, the researchers ...

Pitt study notes decline in male births in the US and Japan

..., more detailed studies should be carried out that examine sex ratio in smaller groups with defined exposures as a potential indicator of environmental contamination.? ...

Prehistoric origins of stomach ulcers uncovered

...he same time as early humans it makes it easier to examine some of the controversial questions about human migration. For example we could use our understanding of the bacteria's spread to gauge poorly understood human population shifts in Europe, Africa and Asia." ...

Loss of a universal tRNA feature reported

...tRNA synthetase. It will be of special interest to examine if the loss of this tRNA feature has resulted from the presence of an RNase P enzyme that is no longer capable of catalyzing abnormal cleavage at the -1 position in the tRNAHis precursor. It will also be revealing to see how different aminoacyl-tRNA ...

Lithium builds gray matter in bipolar brains, UCLA study shows

...tal, this new image analysis allows researchers to examine differences in cortical anatomy at a much greater spatial resolution. In this study, Bearden and colleagues at UCLA used computer analysis to analyze brain scans collected by collaborators at the University of Pittsburgh in order to determine whe...

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