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Tag: "control" at biology news

Surprising findings reported about iron overload

...en severe iron deposition occurs due to inadequate control of iron absorption by the small intestine. The first major report of findings in the five-year, 100,000-person study will be published tomorrow, April 28, in The New England Journal of Medicine (NEJM). The University of Alabama at Birmingham receive...

Scientists discuss improved biopesticides for locust control in West Africa

...esident of Senegal, to identify strategies for the control of the ongoing locust outbreak in West Africa. Las...ns, national plant protection directors and locust control personnel, military officers in charge of locust control campaigns, representatives from regional an...

World-first Living Donor Islet Cell Transplant A Success; Procedure Offers Promise For Diabetics

...vere low blood sugar coma attacks, and her glucose control has been transformed by the transplant. Related Web Site: http://www.med.ualberta.ca/islet ...

Programmable cells: Engineer turns bacteria into living computers

...s to reach. Programmed cells also could be used to control the repair or construction of tissues within the body, possibly guiding stem cells to the locations where they are needed for the growth of new nerve or bone cells in a process Weiss called "programmed tissue engineering." Even the early step of cre...

Wisconsin researchers identify sleep gene

...says. The Wisconsin study focuses on factors that control sleep duration as opposed to the timing of when sl...ob in flies-and in its equivalent in humans--is to control the excitability of cell membranes. Genetic analysis of the mns flies, conducted by Daniel Bushey, ...

Norovirus, AIDS vaccine and Hepatitis Virus

... vaccine to protect against HIV in attempt to gain control of the AIDS pandemic is a top priority for researc...injected with the noninfectious vaccine, while two control animals remained unvaccinated. Both groups were challenged with SHIV. All four of the immunized maca...

Viral protein influences key cell-signaling pathway

... variety of genes linked to chemical pathways that control cell signaling, proliferation and death. The p300 gene stood out as one showing increased activity. Taken overall, the findings suggest that HTLV-1 p12 protein influences the genetic activity of infected T cells to stimulate their proliferation and p...

Controlling protein diversity

Proteins called coactivators control the process by which a single gene can initiate pr...ese coactivators are unusual in that they can both control alternative splicing that results in different proteins being made as well as the production of RNA....

Discovery Promises Simpler Therapy for Sickle Cell Disease

.... "Our results suggest that abnormal blood vessel control by red blood cells contributes to the vessel obstruction characteristic of sickle cell disease, and that variation in symptom severity among patients may be explained, in part, by variable deficiency in the processing of nitric oxide," Stamler said. ...

Iron exporter revealed that may explain common human disorder

...those with hemochromatosis may stem from a loss of control over iron export through ferroportin, the research...tions in iron homeostasis result from a failure to control iron export through ferroportin, leading to increased iron release from macrophages and enhanced int...

Insight into natural cholesterol control suggests novel cholesterol-lowering therapy

...mpound in the synthetic pathway--mediates feedback control over the rate of cholesterol production by stimula...on," said DeBose-Boyd. That effect would, in turn, control the rate of cholesterol production. "In addition to the biological significance, the findings have ...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...three types of transgenic plants and the wild-type control plants were transplanted into four 33-by-1 meter field plots, two that contained contaminated sediment from the San Luis Drain and two that contained clean soil. One line of Indian mustard plants was engineered to produce more of the enzyme adenosin...

50-year-old Mystery Solved: Protein Tags Regulate Key Ion Channel

... a question dating back to the 1950s: How do cells control the background movement of potassium ions across t... "This adds a new chapter to the book of how cells control ion channel function: reversible peptide linkage." Ion channels are in every cell in the human body...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

...cember and the national authorities have installed control measures for these. However, given the extent of d...ment effective vector-borne disease prevention and control activities", said Dr Samlee Plianbangchang, WHO Regional Director for South-East Asia Region. "WHO i...

Affymetrix Licenses Microfluidics Technology From Caliper Life Sciences

... separations as a discrete, non-integrated quality control step. ...

FDA Clears the Way for Generic Versions of Transdermal Patches to Treat Chronic Pain

...ontrolled substance, which is the highest level of control for drugs with a recognized medical use. As a controlled substance in Schedule II of the Controlled Substances Act (CSA), Fentanyl also comes under the jurisdiction of the Drug Enforcement Administration (DEA), which administers the CSA. Schedule II ...

Scientists Propose Sweeping Changes to Naming of Bird Neurosystems to Acknowledge Their True Brainpower

...ontrolled substance, which is the highest level of control for drugs with a recognized medical use. As a controlled substance in Schedule II of the Controlled Substances Act (CSA), Fentanyl also comes under the jurisdiction of the Drug Enforcement Administration (DEA), which administers the CSA. Schedule II ...

Computational Method Speeds Mapping of Cell Signaling Networks

...tion gets transmitted from outside of cells to the control centers inside them that trigger particular responses. But cell signaling networks are so complex that mapping them has been a slow, arduous process. Now, a research team from Stanford, MIT and Harvard has developed a new method for charting cellula...

Marburg haemorrhagic fever in Angola update

... and management of their close contacts, infection control in hospitals and protective clothing for staff wor...lations. This anxiety, in turn, can interfere with control operations, especially when communities begin hiding cases and bodies because of suspicions about th...

New insight into regulation of blood stem cells

...of white blood cells, or platelets. The genes that control proliferation and differentiation have been diffic... hematopoiesis and acts at many distinct points to control HSCs. "It is remarkable that a single transcription factor controls the diverse processes of self-re...

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