Tag: "regulators" at biology news
Ten Years of Progress For Superfund Basic Research Program
... project which should make iteasier for government regulators
to identify the most dangerouspollutants. Caruso is developing ultra-trace methods to detectmetal pollutants including tin, arsenic and chromium. The key toaccurate risk assessment is knowing not only how much metal ispresent, but the exact form the ...
NSF Grant For Sphingolipid Research
...o function asstructural components in cells and as regulators
of various biological processes. Little is known,however, about their role in plant growth and development. Lynch's research explores how and where in the cell sphingolipids are produced, transported, anddegraded. This project continues studies sta...
Research Aims At Nation's First 'Smart' Ground Water Regulations
...ater across the state. Using the new technologies, regulators
decide to have "smart" regulations that limit the ...cides moving into ground water to 2.5 percent. The regulators
are feeling quite proud that they have reduced the risk of contamination of ground water by fourfold...
Sex Differences In Heart Disease May Be Due To Enzyme That Breaks Down Fat
... and more small, compact LDL. "One of the regulators
of hepatic lipase appears to be estrogen," hesays. "A crucial question would be to look at post-menopausal women, becausewomen's heart disease risk increases after menopause, and some women havechanges in their lipoproteins like those associated with...
Chocolate Treats Can Land Racehorse Trainers In Trouble
...what kind of penaltiesto impose. Yet racing regulators
are beginning to realize horse racing isnot well-served by issuing positive reports for drugs that are present inconcentrations that cant reasonably be expected to affect performancein any way, he added. While officials are gaining knowl...
Research Sheds Light On How Plants Regulate Distribution Of Nutrients
...eallocation," he said. "I believe there are other regulators
here. My suspicion is that there are other control pathways that are integrating with this system to communicate information such as water content or nitrogenavailability." Understanding resource distribution in plants, Bush said, may lead tothe abi...
Study Finds Evidence Linking The Brain's Cognitive Control Regions With Stress Control Regions
...f stress (acute or chronic) applied to rats; these regulators
wereactive only in sections of the brain that the researchers suspected to becontrol areas. In the first experiment, rats were placed under short-term restraint toprovoke acute stress reactions. There was a significant amount ofstress-genera...
Cell Suicide Prevented By Survival Signals
...s, where it remains subject to similar controls by regulators
ofapoptosis," says Steller. "It is likely that a similar mechanismoperates for the control of cell survival by survival factors inmammals." The mammalian version of Hid could be an attractive target for therapy ofneurodegenerative diseases, spinal c...
Shedding Light On Circadian Rhythms
... occur on a 24-hour cycle, areimportant biological regulators
in virtually every living creature. In mammals,the internal circadian clock resides in the brain, and sunlight is the cue thatrewinds this clock daily. Researchers have now found a biochemical pathway thatsenses blue light, and thereby connects the s...
Small G-Proteins Make A Big Difference -- Nerve Cell Signalling Is Regulated By
Arf-GTPases And Their Activators
...en/Germany, used a new method toidentify two novel regulators
of the synaptic vesicle cycle. In collaborationwit...l GTPases. Both msec7-1 and Arfsare very prominent regulators
of membrane transport in the Golgi apparatus ofall cells in the body. The Göttingen group disco...
Innovative Process To Benefit Ground Water Clean-Up
...mental scientists, industrial interests,government regulators
and society." Sherwood Lollar and her team are currently testing this process at industrial,residential and landfill sites in Toronto and collaborating with researchersacross North America and in the United Kingdom. Earlier this year she washonoured ...
Making A Hand Or A Foot? Tbx-4 And Tbx-5 Are Involved In Determination Of Fore- And Hindlimb Identity
...ubfamily of T-box genes are good candidatesfor key regulators
of the development of paired appendages in all tetrapodes.The expression patterns strongly suggest that their function of regulating thefate of limb type is conserved from the pectoral and pelvic fins of ancestralfish to the arms and legs of humans. ...
Discovery Of A Molecule That Controls Bile Acids May Lead To New Cholesterol Drugs
...s Mangelsdorf to believe that FXR is one ofthe key regulators
that controls repression and further synthesis in the liverand increases the production of other proteins that transport bile acids in theintestine. "People can't live without bile acids as a way to rid the body ofcholesterol, so our work cha...
UI researchers begin to unravel the underlying mechanism of migraines
... vascular contribution, thisindicates that the key regulators
are the neurons. Durham and Russo are now trying to identify the enzymes that stimulate theinitial CGRP secretion. "Although our study has yielded some very interesting results, it is importantto realize that we are still a ways away from treatment,"...
Children and environmental toxics: special symposium at New Orleans scientific meeting
... and analyzing blood samples fromchildren, and how regulators
interpret and use the measurements. Some of the 30papers that will be presented during the symposium are described below. Allpapers are embargoed until the time of presentation, unless otherwise noted. Legislating Children's Health - The question, ...
Aptosyn (exisulind) and other SAANDs target early event in cancer; AACR presentations detail novel apoptotic pathway
...' upstream effect into other well-known downstream regulators
of apoptosis: beta-catenin, Jun kinase and Erk. These downstream regulators
are thought to play an important role in the development of precancerous lesions and ultimately canc...
Study finds children are exposed to pesticides
...ecting children's health. The study concludes that regulators
need to look at exposure standards and determine if they are appropriate, says one of the study authors, Richard Fenske, a professor of environmental health in UW's School of Public Health and Community Medicine. He is also director of UW's Pacific N...
Genes for unusual flower within a flower are identified by UCSD scientists
...arpels to form in a normal flower, they are master regulators
of flower development," says Yanofsky. The important role of these three genes had long been hidden from geneticists, because all three genes are virtually identical, meaning that the UCSD researchers had to mutate each one of these genes and then ...
UF technique detects tiny, potentially harmful airborne particles
...rticluates. In response to such research, federal regulators
increasingly have sought to study and regulate sma...al time, Hahn said. That creates the potential for regulators
to create much more effective, more targeted regulations, he said. "Right now, there's not a very g...
Biocomplexity study in Lake Ontario bays and lagoons
...study might produce new knowledge that could aid regulators
and policy-makers -- providing a better understanding of the environmental effects of manipulating water levels in the Great Lakes, for example....
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