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Toxicants in Medical News

Environmental Toxicants Target Stem Cells

A study published today in the on-line journal PLoS Biology concluded that the low levels of toxic substances cause critical stem cells in the central nervous system to// prematurely shut down. This research, which is the first to identify a common molecular trigger for the effects of toxicant...

Latest trinational report presents most complete picture of North American industrial pollution

...petroleum refineries and bulk storage terminals discloses that, on average, about 7 million kilograms of carcinogens and developmental or reproductive toxicants were released annually. Most of these pollutants were released to air and water. The perspective of this year's report remains incomplete, however-...

Environmental pollution increases the risk of liver disease

...tors including obesity, viral hepatitis, and alcoholism in the NHANES population. Dr. Cave will present these data, Chronic Low-Level Exposure to toxicants Linked to Liver Disease in U.S. Adults (Abstract #289), on Monday, June 1 at 8:30 a.m. CDT in S105, McCormick Place. ...

Blue Cross Foundation Awards $660,000 in Grants to Improve Community Health

...rove the quality of low-income rental property housing in the Phillips neighborhood, reducing childhood illness by reducing exposures to environmental toxicants -- in partnership with Preventing Harm Minnesota. White Earth Land Recovery Project, Callaway, Minn., $60,000 for the Farm to School project o...

Chemical in Plastics May Cause Fertility Problems

...tations at the American Society for Reproductive Medicine's annual meeting, which concluded Wednesday in San Francisco. "The issue of environmental toxicants upon human reproduction is very important," said Dr. Richard J. Paulson, chief of the Division of Reproductive Endocrinology and Infertility at the Un...

June 2008 highlights

...ication of Silent Spring by Rachel Carson, awareness of how environmental toxicants can impact fertility has increased. In an article on p. 1091 of this issue,...inberg and colleagues provide evidence that adverse reproductive effects of toxicants may extend not only to the children of exposed individuals, but also to the...

Dying bats in the Northeast remain a mystery

...rimary pathogen. Scientists from a variety of agencies are investigating underlying environmental factors, potential secondary microbial pathogens and toxicants as possible causes. ...

Studies review smoking among college freshmen and tobacco use by adolescents with ADHD

...rch and Intervention. Reduced-Exposure Tobacco Products The use of tobacco products that have the potential to reduce exposure to tobacco toxicants is a controversial issue among scientists, policy makers, advocacy groups and health professionals. This controversy reflects, in part, the experience...

Russian research for FAIR

...JINR) German Co-leader: PD Dr. Regine Willumeit Russian Co-leader: PD Dr. Mikhail Avdeev Title: ECOLINK - Understanding effects of environmental toxicants at population and community levels: A link between ecotoxicological experiments and field observations within Eurasian climate scenarios UFZ Germa...

Majority of 2.4 Million U.S. Children With ADHD Not Diagnosed or Consistently Treated, According to New 'Gold Standard' Study by Cincinnati Children's Researchers

... ADHD in poorer children may include the higher prevalence of ADHD risk factors in this group, including premature birth and exposure to environmental toxicants in childhood, such as lead and prenatal tobacco smoke." Drs. Froehlich and Kahn's co-investigators include Bruce P. Lanphear, M.D., M.P.H., and Jeffe...
Toxicants in Medical Dictionary

Absorption

... even faster, while insulin suspensions... Absorption varies from patient to patient; this is why some ... Absorption is the process whereby toxicants gain entrance to the body. ... Absorption varies greatly with specific chemicals and with the route of exposure. ... Absorption Spectroscopy |...
Toxicants in Biological News

NIEHS invests $21.25 million to find environmental causes of Parkinson's disease

... Lipton, M.D., Ph.D., Burnham Institute for Medical Research, La Jolla, Calif. Investigators at the Burnham Institute will explore how environmental toxicants may contribute to Parkinson's disease by producing free radical stress that mimics or enhances the effects of known genetic mutations. The focus will ...

Heavy metal link to mutations, low growth and fertility among crustaceans in Sydney Harbor tributary

...etals inside their tissues and scientists use them to monitor environmental pollutants." Other research has revealed that chronic exposure to metal toxicants is linked to DNA damage in earthworms, periwinkles and some fish species. ...

Chemicals used as fire retardants could be harmful, UC-Riverside researchers say

...ld dust from household goods, resulting in humans and pets getting exposed continuously to these toxicants. Over time, PBDEs, PCBs and similar organic toxicants leach into the environment when household wastes decompose in landfills or are incompletely incinerated. They are now found in air, water and soil as...

Entomological Society of America recognizes 2007 fellows and honorary members

...160 peer-reviewed articles on termite biology and control, and his research results on the population ecology of subterranean termites and slow-acting toxicants led to the development of the Sentricon System, a monitoring-baiting system for population control of these cryptic pests. Dr. Bruce Tabashnik has...

Soft-cell approach cuts animal tests

...new in-vitro technique pioneered by Dr Amanda Hayes and her UNSW colleagues, Shahnaz Bakand and Chris Winder, directly exposes human cells to airborne toxicants and measures cytotoxic effects. The cells are grown on a porous polyester membrane inside a small diffusion chamber and then exposed to selected toxic...

Environmental toxins may cause body's defenses to worsen lung disease

...of Cincinnati (UC) has received $2.4 million to study whether environmental toxicants can stimulate the body's natural defense system to cause additional damage ...Michael Borchers, PhD, believes long-term exposure to certain environmental toxicants may activate a specific receptor--known as NKG2D--in lung cells that causes...

UCSD researchers develop 'smart petri dish'

...ives a continuous readout of cell damage," she adds, "this type of sensor could also be very useful for understanding more about the way environmental toxicants such as water contaminants or viruses like hepatitis cause long-term liver damage." Others involved in the development include Sara Alvarez, a gra...
Toxicants in Biological Products

Glutathione-S-Transferase (GST) Colorimetric Assay Kit from Sigma-Aldrich

Description:...thione-S-transferases (GSTs) are a group of enzymes important in the detoxification of many xenobiotics in mammals. The enzymes protect cells against toxicants by conjugating the thiol group of the glutathione to electrophilic xenobiotics, and thereby defend cells against the mutagenic, carcinogenic, and toxi...
Company:Sigma-Aldrich
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