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Tag: "dual" at biology news

Now, self-healing materials can mimic human skin, healing again and again

...y implementing a new microvascular design based on dual networks, the researchers suggest. The improved design would allow new healing chemistries – such as two-part epoxies – to be exploited, which could ultimately lead to unlimited healing capability. “Currently, the material can heal cracks in the ep...

CU study reveals why starling females cheat

...often than other cooperative breeders, despite the dual potential benefits for females in seeking extra-pair mates. "In most avian cooperative breeders, 40 to 60 percent of offspring are a result of extra-pair matings, but in superb starlings, only about 14 percent of the offspring are fathered by othe...

Better health twice as likely for nonsmokers who live and work with smoking restrictions

...D, Hunter College. Smoking restrictions have a dual goal, to protect the health of nonsmokers and to increase smoking cessation among smokers. Since smoke-free public places appear to facilitate the adoption of smoke-free homes, and as smoke-free air legislation spreads, a rise in protection from seco...

Satellites shed light on global warming

...ta of unrivalled accuracy on account of its unique dual view of the Earth’s surface, whereby each part of the surface is viewed twice, through two different atmospheric paths," Llewellyn-Jones added. "This not only enables scientists to correct for the effects of dust and haze, which degrade measurements ...

Clues to gene expression in cystic fibrosis will guide research

... CF patients with a stop mutation. The team used a dual reporter gene assay first in vitro and then in CF patients. The study found that a small subgroup of patients with the Y122X mutation, found mainly in inhabitants of Reunion island, responded to gentamicin treatment. Cystic fibrosis is caused by m...

NYU biologists identify gene that coordinates two cellular processes

...or Comparative Functional Genomics has uncovered a dual role for the gene mel-28. The gene plays a part in ensuring that chromosomes are divided properly during cell division and it is required for nuclear envelope function. The findings appear in the journal Current Biology. The team is using func...

Supercomputing equipment to advance the frontiers of computational biology

...e Gene system consists of a single rack with 1,024 dual processor compute nodes, 32 I/O nodes, a service node, a front-end node, and multiple terabytes of SAN-based disk storage. Announced in May 2006, the Computational Center for Nanotechnology Innovations (CCNI) is a $100 million partnership between ...

Mayo discovers protein as potential tactic to prevent tumors

...ew understanding of the biology driven by critical dual functions of CDK2, the cancer community can focus on ways to regulate a mechanism that the cell contains to prevent damaged genetic messages from being inherited and spread in proliferating tumor cells." ...

Epstein-Barr virus might kick-start multiple sclerosis

... was not seen in the healthy volunteers. "We saw a dual effect--not only was there an increased number of EBNA1 responsive T cells, but these T cells proliferated to a greater extent when they were stimulated by antigens," said Edwards. "We also examined T-cell responses to influenza hemagglutinin, anti...

Worm links cancer risk to ageing

... divide as well. The fact that they appear to have dual functions opens a new way to study the connection between ageing and cancer." Scientists have long known that, statistically, ageing is a huge factor for cancer but have so far struggled to understand why that is. Professor Lithgow said: "If we loo...

Unique dual target specificity of kinase inhibitor key for success against cancer

...a monospecific inhibitor ineffective. Importantly, dual inhibition of p110á and mTOR with a low dose of PI-103 elicited no drug-related toxicity and was highly effective against human gliomas transplanted into mice. "These data suggest that combinatorial inhibition of mTOR and p110á represents a safe an...

New study reveals signaling pathways required for expansion of pancreas stem cells

...nitor cells through induction of Id, which, in its dual role, promotes their expansion, revealing a novel paradigm of signaling that explains the balance between expansion and differentiation of pancreatic epithelial progenitors. "The complications of diabetes mellitus impose enormous medical, economic, ...

Natural vitamin E tocotrienol reaches blood at protective levels

...nol can reach concentrations needed to serve these dual protective functions," said Chandan Sen, professor and vice chair of surgery, deputy director of the Davis Heart and Lung Research Institute at OSU, and senior author of both studies. "It is a regular dietary ingredient in Asia, so it can safely be a...

Five surprising facts about starvation that could change the international agenda

... on household food security and childcare. Without dual action against wasting and HIV/AIDS, the deadly synergy of these two factors is likely to grow in coming years." Fourth, political and economic growth do not always automatically improve child nutrition. According to the authors, "wealth creation a...

Malaria, potato famine pathogen share surprising trait

...at one day researchers could develop a drug with a dual purpose ?one that would stop both Plasmodium falciparum, which causes malaria, and Phytophthora infestans, the microbe that triggers late potato blight in vegetables including potatoes, soybeans and tomatoes. "It sounds crazy, but it's not totally r...

Cincinnati surgeons report new treatment for often-fatal injury

...fs and create a strong seal." Once in place, the dual lining supports the weakened vessel walls and allows blood to continue flowing through the aorta without applying pressure to damaged area. "Our method gives emergency surgeons a reliable way to repair difficult injuries with readily accessible mate...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

...mage Linux cluster in the world. Pink's nodes have dual 2.4 GHz Intel Xeon processors (Pentium 4) with 2 gigabytes of memory per node. The purchase of the Science Appliance was funded by the National Nuclear Security Administration's Advanced Simulation and Computing program. Pink is currently a system so...

Newly discovered killer cell fights cancer

A mouse immune cell that plays dual roles as both assassin and messenger, normally the job of two separate cells, has been discovered by an international team of researchers from the United States and France. The discovery has triggered a race among scientists to find a human equivale...

Novel molecular 'signature' marks DNA of embryonic stem cells

...at they called a "bivalent domain," reflecting the dual nature of its design. These domains reside in the sections of chromatin that control the most evolutionarily conserved portions of DNA, particularly the key regulatory genes for embryonic development. "These signatures appear frequently in ES cells,...

Master genetic switch found for chronic pain

...ive sensory neurons." They also concluded that the dual functions they discovered for Runx1--controlling specification of sensory neurons and regulating how they target their wiring--"form a genetic basis for the assembly of specific neural circuits for nociceptive information processing. "Finally, the i...

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