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Tag: "systematic" at biology news

Doctors should stop prescribing antibiotics for the common cold, review advises

...fits do not outweigh the risks, according to a new systematic review of current evidence. "Antibiotics appear to have no benefit in the treatment of acute upper respiratory tract infections," conclude Dr. Bruce Arroll and Dr. Timothy Kenealy of the University of Auckland, New Zealand. "The implications for pra...

Hepatitis C responds best to combo of ribavirin and interferon, study concludes

...eases the risk of side effects, according to a new systematic review of recent evidence. "Adding ribavirin to any type of interferon should be considered the treatment of choice for patients with hepatitis C," conclude Jesper Brok, M.D., and colleagues at Copenhagen University Hospital. However, the authors c...

A novel virus for croup

...atched by patterns of HCoV-NL63 occurrence. This systematic association of croup with HCoV-NL63 is particularly timely as the newly identified virus has spread worldwide, reported in Australia, Japan, the US and Canada. The study will also contribute towards the clarification of the viral causes of lower resp...

Hunt for human genes involved in cell division under way

A systematic search through human genes has begun at the Europe... knowledge, we are the first group to take on this systematic search through the genome in live cells. We will use the most potent RNAi reagent for this study, wh...

Opiates Better Than Sedatives For Treating Newborns In Withdrawal

... the likelihood of seizures," according to two new systematic reviews done by David Osborn, a neonatologist at the Royal Prince Alfred Hospital in Sydney, Australia, and colleagues. The researchers also found that infants treated with opiates regained birth weight more quickly than those who only received supp...

Researchers discover new route to hemoglobin synthesis

... the likelihood of seizures," according to two new systematic reviews done by David Osborn, a neonatologist at the Royal Prince Alfred Hospital in Sydney, Australia, and colleagues. The researchers also found that infants treated with opiates regained birth weight more quickly than those who only received supp...

New understanding of jet lag

...me that we have a mechanistic understanding of the systematic coupling of the different parts of the clock. We are now on our way to suggesting strategies for shifting the clock more quickly in response to unnatural light cycle changes." Block said that future therapies, using this new knowledge, might also be...

New technique could alter field of mouse genetics

...function of all of those genes. The strategy is as systematic as the genome sequencing projects -- mutate each gene, observe the consequences, and investigate the molecular mechanisms. In the past two decades, only about 3,000 of the estimated 25,000 genes shared by mice and humans have been analyzed in detail,...

Grasshopper love songs give insight into sensory tuning

...on of sensory circuitry. "Our approach presents a systematic way to uncover potential mismatches between the statistical properties of the natural environment and the coding strategy of sensory neurons. In turn, these discrepancies might improve our understanding of the evolutionary design of the specific sens...

Asian immigrants in NYC not receiving HIV education at religious institutions

...nvolved in HIV-related services. This is the first systematic study of Asian immigrant religious institutions' willingness to take a role in HIV prevention or care in the United States. The findings were striking. Some leaders of Asian religious institutions said they believe HIV poses only a minimal risk fo...

PLoS Medicine publishes first trial of effect of male circumcision on HIV infection

... Nandi Siegfried, lead author of a recent Cochrane systematic review of male circumcision and HIV, considers the trial's strengths and weaknesses. ...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...hers at Rice University are working on a novel and systematic approach to cancer treatment that involves the use of advanced technologies that are by themselves harmless − but appear to offer potent cancer-killing properties when used together. This tactic focuses on two main ingredients: structures ca...

Marathon of nano-sprinters

...t the study of molecular motors outside cells in a systematic fashion. One example is the bead assay, where filaments are immobilized on a surface. Molecular motors pull latex beads along these filaments, and the movement of the beads is observed under the microscope. One important result of these experiment...

Fitting in: Newly evolved genes adopt a variety of strategies to remain in the gene pool

...hnology in Zurich have collaborated on the largest systematic analysis of duplicated gene function to date. Using an integrative combination of computational and experimental approaches, they classified duplicate pairs of genes involved in yeast metabolism into four functional categories: (1) back-up, where a...

In SAD patients, autumn antidepressants can prevent winter depression

...tific and medical publisher. "These are the first systematic studies that indicate that SAD can actually be prevented in some patients by starting antidepressants early in the season, before the development of symptoms," comments Norman E. Rosenthal, M.D., Clinical Professor of Psychiatry, Georgetown Medical S...

NIH launches comprehensive effort to explore cancer genomics

...is and treatment, it is now possible to envision a systematic effort to map the changes in the human genetic blueprint associated with all known forms of cancer," said NIH Director Elias A. Zerhouni, M.D. "This atlas of genomic changes will provide new insights into the biological basis of cancer, which in turn...

Technique offers new view of dynamic biological landscape

...man. "But we wanted to approach such analyses in a systematic way and to use the new generation of high-throughput technology to quantitatively explore large numbers of epistatic genetic interactions at once." The E-MAP technique consists of selectively "dialing down" the activity of a multitude of gene pairs...

Birth defects: 8 million annually worldwide

...nited States in the early 1960s, when it began its systematic effort to strengthen medical genetics services for the care of affected children and prevention of birth defects. For these countries, the next steps recommended include: Train health care professionals in medical genetics; Identify couples at ...

UW scientists unravel critical genetic puzzle for flu virus replication

... assembling their infectious genetic elements in a systematic fashion. Virologists have long debated whether the...nza pandemic. The fact that the virus requires a systematic -- as opposed to a random -- method of assembly opens the door to the development of new antiviral d...

'Banana-jawed' fossil mammal linked to rare sound-producing skill

...ollected enough specimens of Thyrohyrax to allow a systematic analysis of its jaws. "Paleontologists have known of the internal mandibular fenestra among fossil hyraxes since early last century, but its significance was poorly understood," Simons said. In order to gain answers, the Duke team measured tooth sa...

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