Bacterium gobbles up chlorinated pollutants
...to vinyl chloride. "They were turning a suspected carcinogen into a known carcinogen," Gossett said. In carefully controlled laboratory conditions, however, Strain 195 goes all the way. That doesn't mean the Cornell bioremediation researchers will start injecting truck loads of Strain 195 into pollution sites...... testing does not necessarilymean a substance is a carcinogen or mutagen butoften reflects -- as in several of these cases --that substances have gone into widespread use without as much testing as, in retrospect, we wouldlike." The Interagency Committee for Chemical Evaluationand Coordination recommended stud...Report On Electrical And Magnetic Fields Released; Public Invited To Comment At Regional Meetings
...plit, with 19 voting that it was a "possible"human carcinogen while ten other experts abstained or found the dataunconvincing or negative as to EMF's possible carcinogenicity. None of thepanel voted for the stronger categories of "known" or "probable" humancarcinogen. And the panel chairman, Michael Gallo, Ph...40 Percent Of Deaths Are Environmental
... -- Production of another gasoline component, the carcinogen benzene that causes leukemia even at low dosages, rose from 0.5 billion kilograms in the United States in 1950 to current levels of about 7.5 kilograms per year. -- The global use of agricultural pesticides rose from about 50 million kilograms a yea...Duke Study Finds More Genes May Be Affected By Toxic Cadmium
... model to start investigating how cadmium can be a carcinogen in humans. Wecan define brand new pathways in terms of toxicology that have never been seenbefore. "They can be used to define brand new regulatory pathways in organisms.For example, how does cadmium get picked up by a cell and then turn on a...Researchers Prove Chemoprevention Can Work
...hich the study group metabolized aflatoxin, aliver carcinogen produced by a fungus that contaminates foods like corn andpeanuts. They were able to show that the oltipraz induced phase 2 enzymes whichaltered the disposition of aflatoxin in the study group. This was the first timethat the mechanism by wh...Glowing Bacteria: DuPont And UD Scientists Detect Poultry Toxin And Other Environmental Contaminants
...ntialcontaminants, including aflatoxin B1, a known carcinogen that can be toxic forchickens," DuPont Co. researcher Tina K. Van Dyk will report March 21 during theAmerican Chemical Society meeting.* Aflatoxin B1 is produced by molds found in poultry feed, and it "can be ofconcern for human foods, too," says Van...Trash From Crop-Processing Plant Harvested For Disease-Fighting Agents
...assesrepresses the ability of at least one dietary carcinogen to damage the DNA ofnormal cells, the researchers report. A report is being published in the May issue of Agricultural Research Magazine.More details will appear later in thejournal "Teratogenesis, Carcinogenesis and Mutagenesis." At the Environmenta...Micro-organisms help protect drinking water from MTBE contamination
...as been tentatively classified as a possible human carcinogen by the U.S.Environmental Protection Agency, the researchers point out. EPA has establisheda drinking water standard of 20 - 40 micrograms per liter for MTBE, equivalentto less than a millionth of an ounce of the additive in a quart of water. The stu......cted EMF as a"known" or proven, or even "probable" carcinogen but a majority of the panelsaid a role in cancer c...for listing as a known oreven "anticipated" human carcinogen in the National Toxicology Program's Reporton Carcinogens.......duct of alcoholic drinks,benzo[a]pyrene, a pot-ent carcinogen found in cigarette smoke, and ethyl carbamate, a naturalpesticide. "We try to get across that just because something is synthetic, it's not inherently any moredangerous than something Mother Nature puts there herself," says Ruth Kava, director of nu...Adding acetone to compost remediates chunk TNT contaminated soil
... Protection Agency denotes TNT as a possible human carcinogen under the agency's Integrated Risk Information System. As a part of its overall environmental mission and to safeguard the health of its workers, the INEEL is trying to clean up the TNT legacy. Soil contaminated with TNT is not unique to the INEEL, h...Chlordane found in foods decades after pesticide use
...ix grams of the substance, deemed a possible human carcinogen by the EPA, can be fatal, according to the U.S. Centers for Disease Control and Prevention in Atlanta. The study found that carrots grown in highly chlordane-contaminated soil contained maximum levels of approximately five micrograms of chlordane per...Fact sheet: the Report on Carcinogens - 9th edition
... listed in the Report since 1980, is a known human carcinogen and once absorbed, these benzidine-based dyes are converted to free benzidine in humans. Benzidine was one of the first chemicals for which an association of occupational exposure and increased incidence of urinary bladder cancer in humans was repor...Lawrence Livermore Lab, UC Davis Cancer Center ink alliance to develop integrated cancer program
...oscopic changes in the DNA of mice fed a suspected carcinogen found in grilled meat. With researchers from the UC Davis College of Agriculture and Environmental Sciences, they plan to study anticancer compounds found in broccoli and other plants to see if they can prevent these cancerous changes. * Ultrasensit......is also made synthetically, has been found to be a carcinogen in experimental animal studies and is proposed to be listed in the category, "reasonably anticipated to be a human carcinogen." It is used in jellies, baked goods, nonalcoholic beverages, chewing gum, candy and ice cream, and as a fragrance in perfu...Advisory panel on federal report on carcinogens makes recommendations to NIEHS/NTP for new listings
...ent, was considered for upgrading to "known" human carcinogen from "reasonably anticipated" but the panel recommended that the chemical continue in the second category. The panel recommended, 7 to 3, that ordinary talc not be listed as a human carcinogen. The panel reviewed a series of studies of women with o...Studies show powerful natural anti-cancer system exists
...ckout mice and normal mice to benzpyrene, a potent carcinogen in cigarette smoke, both developed tumors, but the knockouts apparently disconnected from the protective system had significantly more. In a more telling demo of the system, the scientists gave both the normal and the knockout mice a drug called ......sonably anticipated" to listing as a "known" human carcinogen by one government panel, the NIEHS Review Committe... fibers, was approved for listing as a known human carcinogen by the NIEHS panel but rejected by the second government panel, which voted 6 to 2 for its listing a......2. When these mice were injected with the chemical carcinogen MCA, 58 percent of them developed tumors. In previous studies, the group obtained a similar result when they injected MCA into mice that lacked either the receptor for IFNg or one of the proteins required for the receptor to function, Stat1. In contr...