Tag: "agent" at biology news

DOE JGI, VBI describe disease mechanisms of sudden oak death, related soybean pathogens

... Sudden oak death was first reported in 1995. The agent responsible for the disease was discovered by University of California scientists in 2000. The pathogen is known to be present in more than a dozen California counties and also in southern Oregon. It has also been detected at scores of nurseries acro...

Chemical compounds restore normal glucose levels and insulin action in obese mice

... humans. TUDCA has been used as a liver-protecting agent in human cholestatic liver diseases. "Already used safely in people for some disorders, these compounds and others like them may warrant clinical investigation into their effects on type 2 diabetes in humans," said Hotamisligil. "If these compound...

How HIV 'exhausts' killer T cells

...ntigen is a protein on a virus or other infectious agent that triggers an immune reaction. Walker said one of the team's key findings emerged from their test tube studies showing that blocking the PD-1 pathway could restore the function of exhausted killer T cells. "We wanted to determine whether these...

Structure of key enzyme in plague bacterium found

...tates. It is rated as a highest category biothreat agent by the Centers for Disease Control and Prevention and the National Institute of Allergy and Infectious Diseases. Fundamental molecular data on this enzyme and its various forms may be critical to the development of defenses against plague and other p...

Other highlights in the August 16 JNCI

... the diffusion and drug transport properties of an agent are optimized, what looks good in tissue culture experiments will likely look less promising when applied to the human milieu." Contacts: Article: Kevin Hicks k.hicks@auckland.ac.nz Editorial: Karen Warmkessel kwarmkessel@umm.edu Bor...

Novel pathway identifies rapamycin as tumor angiogenesis inhibitor

... explored in cancer treatment as an antiangiogenic agent as well as an effective vascular Akt inhibitor," concludes Dr. Benjamin. ...

Rapamycin shown to inhibit angiogenesis

...reat the animals with rapamycin. As predicted, the agent blocked the Akt-induced blood vessel changes. In subsequent experiments, rapamycin reduced tumor growth and vascular leak in a mouse tumor model. "This paper represents an impressive advance in our understanding of the mechanisms by which tumors g...

AAAS book explores evolution and Christianity's response

...ence in nature for the existence of an intelligent agent beyond nature. Scientists and some representatives of mainline religious denominations were concerned that Intelligent Design would be sold as an integration of science and religion, enticing even some members of mainstream religious communities to...

A humble aquarium fish may be the key to new therapies for birth defects

...esults of exposing zebrafish embryos to a chemical agent that disrupts copper metabolism. She was struck by the similarity between his results and those produced by Calamity, so she approached him and they decided to collaborate. "Lila and the other zebrafish geneticists have created all these wonderful ...

ACS News Service Weekly PressPac -- August 2, 2006

...istry Spraying grapevines with a disease-control agent just before harvest boosts the amount of some of the most important healthful substances present in grapes, Italian researchers report. The substances, anthocyanins, are believed to protect against heart disease through an anti-inflammatory effect an...

UNC study shows ingredient commonly found in shampoos may inhibit brain development

...s each year. It is used as a wetting or thickening agent in not only shampoos but also such products as han... has ever noted that before," Zeisel said. "This agent not only affects brain development, but at higher doses probably affects some other development in a...

The secret life of semen

... Seminal fluid is regarded as primarily a carrier agent for sperm. It is thought to increase sperm motility and strength but not actually affect the woman's body. Indeed, IVF clinics rinse the semen from sperm and discard it. But now Rebecca Burch, at the State University of New York at Oswego, has found ...

Stress imaging tests predict prognosis of heart disease in obese persons

...dual exercises (or is given a pharmacologic stress agent if unable to exercise) to make the heart work hard...ss testing with exercise or a pharmacologic stress agent (dobutamine in conjunction with radiolabeled tetrofosmin, a widely available radiotracer) to assess ...

Transmission rates of vCJD

...ly support the hypothesis of mate choice as a main agent in signal evolution. Contact: Dr RL Rodriguez University of Missouri-Columbia 001 573-884-1080 rafa@missouri.edu Network frailty and the geometry of herd immunity by Mr. J Ferrari, Ms. none Bansal, Dr LA Meyers and Dr ON Bjornstad (doi:...

Study pinpoints how genetic glitch could keep some people from feeling full

...ter these compounds, it's a potential anti-obesity agent because you feel full," Haskell-Luevano said. "On the other hand, if you have cancer or wasting disease, if you administer an antagonist that blocks or turns off the system, then you want to eat or you feel hungry. "It directly controls the desire ...

Nanotechnology enables low-dose treatment of atherosclerotic plaques

...dies, fumagillin has been shown to be an effective agent for stopping the process that creates new blood vessels. Riding on the nanoparticles, fumagillin is carried to the site of new blood vessel formation and stays there thanks to a fellow nanoparticle passenger -- a component that fastens the nanopartic...

AVELOX as effective as multi-dose combination therapy for intra-abdominal infections

... field. "The key benefit of staying with the same agent is the knowledge that the patient responded to it intravenously and can continue with the oral form when they leave the hospital." Complicated intra-abdominal infections are caused by disease, trauma or surgery in the abdomen that can allow bacteri...

Under certain genetic circumstances, naltrexone may increase the urge to drink

...ons since we know that alcohol is an environmental agent and we can study the interactions with genes more closely than in many diseases." McGeary and his colleagues analyzed data gathered earlier on 90 participants (50 males, 40 females) who were part of a larger study designed to measure NTX's effects ...

Natural vitamin E tocotrienol reaches blood at protective levels

...of vitamin E surfacing as a potent neuroprotective agent in repeated Ohio State University Medical Center s...evels at which TCT functions as an antioxidant, an agent that protects cells against the effects of free radicals. Free radicals are potentially damaging by-...

Researchers discover inhibitor of infection by HPV

...ecame clear that it is widely used as a thickening agent in many foods and topically applied products. So h...al lubricants that might contain it as the gelling agent and came up with several. Although carrageenan was identified in a systematic screen, the serendipit...

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(Date:10/16/2014)... monocultures can be cultivated efficiently, they are anything ... caused by monoculture cultivation is becoming increasingly evident. ... crop form and are regarded as the sole ... – quite wrongfully, finds Bernhard Schmid, an ecology ... a novel form of agriculture and forestry. After ...
(Date:10/15/2014)... pandemic risk from strains of influenza virus increases with ... to become complacent that the most substantial threats have ... Influenza pandemics arise when a new virus strain – ... – spreads in the human population. There have been ... worst of which – the 1918 Spanish Flu – ...
(Date:10/15/2014)... NXT-ID, Inc. (NASDAQ: NXTD and NXTDW) ... growing mobile commerce market releases photos and video of the recent ... October 13 th . Gino Pereira , ... angel investor Mr. Chad A. Verdi rang the bell.  ... his investors and employees "for their work and dedication in bringing ...
Breaking Biology News(10 mins):Plant communities produce greater yield than monocultures 2Plant communities produce greater yield than monocultures 3Scientists 'must not become complacent' when assessing pandemic threat from flu viruses 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 3
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