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Tag: "select" at biology news

Termites feed through good vibrations

...nd ways to interfere with the termites' ability to select wood in order to reduce the economic impact of termite damage. "There is a common perception that termites are voracious and indiscriminate eaters, consuming all the wood that they find," Dr Evans says. "But the reality is that termites are selective...

Potential Cure for Lymphoma in HIV patients

... showingthat this treatment is a viable option for select patients withHIV-associated lymphoma will be published in the January 15, 2005,issue of Blood, the official journal of the American Society ofHematology.Because of the immunodeficiency associated with HIV, HIV-positivepatients are more likely to deve...

Jumping gene helps explain immune system's abilities

...gs.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...gs.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...gs.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent...

Gene sequencing explains bioremediation 'bug'

...gs.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent...

New methods of gene delivery using lasers

...ful, and in contrast to other methods the team can select individual cells to be treated at will under the microscope. The new technique involves the violet laser being focused onto cell membranes for a fraction of a second ?this causes the membrane to open up, allowing foreign genes to enter. The cell’s i...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...atients. For the next 20 patients we will randomly select which eye will receive the ASR chip. In addition, post-operative vision testers will be masked as to which eye received the ASR chip implant. The current study is being performed at these study centers in order to independently validate previous stud...

Ophthalmologists implant five patients with artificial silicon retina microchip

...atients. For the next 20 patients we will randomly select which eye will receive the ASR chip. In addition, post-operative vision testers will be masked as to which eye received the ASR chip implant. The current study is being performed at these study centers in order to independently validate previous stud...

Flocking together: Study shows how animal groups find their way

...owing the type of algorithm we propose, they could select collectively the direction associated with the best quality information or select collectively the majority direction." Couzin and colleagues are now testing their findings in exper...

NIH Calls on Scientists to Speed Public Release of Research Publications

...in limited cases will authors deem it necessary to select the longest delay period." The NIH policy will achieve several important goals, including: 1. creating a stable archive of peer-reviewed research publications resulting from NIH-funded studies to ensure the permanent preservation of these vital ...

Iron exporter revealed that may explain common human disorder

...ctivated the protein in mice, both globally and in select tissues. Animals completely lacking ferroportin died early in development due to a failure of iron transfer from mother to embryo. Mice deficient for ferroportin in all tissues except those critical for maternal nutrient transfer survived but quickl...

Chemicals in tattoo inks need closer scrutiny

... the chemical characteristics of the components to select a treatment that will be most effective and, hopefully, the least painful for the patient," Wagner says. The American Chemical Society is a nonprofit organization, chartered by the U.S. Congress, with a multidisciplinary membership of more than 159,...

FDA Works To Speed The Advent Of New, More Effective Personalized Medicines

...ll enable physicians to use genetic information to select the right doses of certain medications for cardiac, psychiatric diseases and cancer. "We hope ultimately to bring pharmacogenomics, a way in which to foster the personalizing of medicine, to every healthcare professional's prescription pad for the b...

Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia

...ross-resistance were more effective at identifying select populations of patients with inferior treatment outcomes than expression patterns associated with resistance to a single drug. "These findings provide new insights into the biological basis of de novo multiple-drug resistance and illuminate potential...

Of mice and men's (and women's) contraceptives

...eveloping germ cells, MSY2 enhances synthesis of a select group of messenger RNA (mRNA) molecules and transports them from the nucleus into the cytoplasm. There, MSY2 proteins stabilize the mRNAs, which are used to make new proteins. Many of these proteins are critical for the production of normal sperm and...

Newly Discovered 'Branding' Process Helps Immune System Cells Pick Their Fights

... BS, Unanue ER. Activated antigen-presenting cells select and present chemically modified peptides recognized by unique CD4 T cells. Proceedings of the National Academy of the Sciences, 102 (22), 7928-7933. Funding from the National Institutes of Health and the Kilo Diabetes and Vascular Research Foundatio...

A hope for oil spill bioremediation

... that coast, indigenous populations had evolved to select for organisms able to grow and degrade components of crude oil. ...

Computational Tool Predicts How Drugs Work In Cells, Advancing Efforts To Design Better Medicines

The ability to select and develop compounds that act on specific cellular targets has just gained a computational ally ?a mathematical algorithm that predicts the precise effects a given compound will have on a cell’s molecular components or chemical processes. Using this...

Bumblebees copy one another when contending with unfamiliar flowers

...ding of how bumblebees, a vital floral pollinator, select the flowers from which they collect nectar. When faced with unfamiliar plants, foraging bees do not choose flowers entirely alone but instead copy the choices of other bees. The new findings suggest that bees adjust their behavior when dealing with f...

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