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Tag: "toxic" at medical news

A new century of Alzheimer's disease research

...’s, AB42 is deposited first, providing the initial toxic damage that leads to plaque formation, and then to...eased,” says Dr. Hutton. This process proves to be toxic to the microtubules, which in turn cannot transport the molecular cargo needed to keep the neuron al...

Structure of TB Enzyme Points the Way to New Drugs: Study

... used to treat the illness are decades old, can be toxic and don't work on the bacteria in its dormant stage. What's more, some virulent strains of the airborne germ have emerged that are extensively drug resistant. Pieters said that the new drugs by targeting different pathways than those used by existi...

Beijing Says Food Safe for Olympic Athletes, Tourists

...xports has been building for weeks amid reports of toxic produce endangering lives in the United States and other countries. China's own food inspectors announced last week that a six-month crackdown had uncovered industrial oils, acid, cancer-causing chemicals and other dangerous ingredients in thousand...

Wet Weather Heralds the Mosquito Menace

... pesticide Sumithrin. It is classified as slightly toxic by the Environmental Protection Agency, but is not a threat to people or pets - only to mosquitoes. In some place larvicide is being used. Larvicide kills newly hatched mosquitoes by suffocating them beneath a thin film spread across the surface of a...

Five Killed by Methane Gas on Virginia Farm

...own into this holding pit, it fermented and made a toxic gas," said Bruce Good, who saw Showalter about once a week. Whether the victims suffocated from the fumes, drowned or died of another cause might never be known. No autopsies were planned, in part because investigators were satisfied that the death...

Stem Cells from Human Fat Tissue to Hunt for and Kill Cancerous Tumours

... Bratislava. As part of the study to find a less toxic method than chemotherapy to treat colon cancer, re...nase into the cell. The gene can convert a less toxic drug, 5-fluorocytosine (5-FC), used in chemotherapy, to 5-FU inside the stem cells, and the chemothe...

Therapeutic Cancer Vaccine Trials

...ndards works well in evaluating therapies that are toxic to tumors, such as radiation or chemotherapy, they are less capable of measuring the more subtle systemic effects of immune response, Schlom said. While there is no conclusive evidence to explain why a vaccine may lead to better patient sur-vival, ...

Great Lakes Fish in Canada Heavily Polluted

...ased by Environmental Defense shows that levels of toxic chemicals in the lakes are alarmingly high. The ...water. Fish advisories due to damaging levels of toxic contamination in Great Lakes fish serve as a potent warning that to safeguard the Great Lakes as a v...

A New Therapy to Protect Cancer Patients Against Infertility

...o protect the ovary in women receiving potentially toxic doses of chemotherapy. We are now hoping to carry out a randomised controlled trial to assess the long term protective effect of this treatment, she said. GnRH analogues are commonly used in the management of womens disorders that are dependent on ...

China Bans Sales of Leukemia Drug in Latest Medicine Scare

...especially from the United States, for a series of toxic exports ranging from foods and medicines, to toothpaste, toys and pet food....

Selenium Supplements Could Increase Diabetes Risk

..., enhance fertility, prevent cancer and get rid of toxic minerals such as mercury, lead and cadmium. Selenium supplements have shown some promise in preventing prostate cancer. Because of selenium's antioxidant activities, some scientists feel it might be effective against diabetes. But now researcher...

Smoking Linked to Lower Parkinson's Disease Risk

...these enzymes and thereby alters the production of toxic endogenous (dopamine quinones) or exogenous (MPP+) metabolites," the authors write. "Ultimately, only randomized intervention trials can confirm that some components in tobacco are truly neuroprotective, negating the possibility that a premorbid pe...

Air Pollution in India Causes 527,700 Deaths a Year

...ng. In the United States, premature deaths from toxic air pollutants are estimated at 41,200 annually. Krzyzanowski worked with the WHO to develop new air quality guidelines that set out global goals to reduce deaths from pollution. Damaging air pollutants include sulphur dioxide, particulate matt...

Milk Thistle Extract Effective in Cancer Treatment

...rin. Benefits of silymarin use before and during toxic insults to the liver, including damage from alcohol; cancer chemotherapy and other drugs; solvents; and mushroom poisoning. Direction for future research on milk thistle for cancer patients. "This special issue presents both preclinical and clinica...

Cell Toxin Inhibits Survival Protein in Cancer Cells

... small molecules or compounds that are selectively toxic to cells that over express Bcl-2 proteins. Higher expression of the target protein made cells more sensitive to the 2-Methoxy antimycin inhibitor. This is called a gain of function mechanism and is counterintuitive to the way most drugs work. Our...

China Launches Food Safety Checks in Run-up to Olympics

...irled around a range of Chinese-made exports, from toxic toothpaste ingredients to faulty tyres, pet food and toxic seafood. China Thursday announced fresh measures to ensure substandard drugs are stopped from reac...

China Declares War on Unsafe Foods for Soldiers

...d and drug industry. Buns filled with cardboard, toxic seafood, virus-plagued pigs and chemical-laden toothpaste are just some of the problems to have hit the headlines domestically and internationally. China this week executed the former head of its food and drug safety watchdog for corruption, in wha...

Inquest of Date-rape Drug Victim Attracts Wide Attention in Australia

...ing a cruise liner. She was apparently felled by a toxic combination of alcohol and date-rape drug gamma hydroxybutyrate, also known as fantasy. She had gone on the cruise with her 12-year-old daughter, sister and niece, and two families she was friends with. Toxicology reports later revealed that the...

Move To Ban Asbestos Welcomed

...tile asbestos on an international list of the most toxic substances. Yet, Sass and Don Anderson, the Saskatchewan Federation of Labors executive assistant, insist that Canadas long-held policy on asbestos has been kept in place by successive federal governments because they do not want to risk endangeri...

Key Mechanism to Emergence of Strep Bacteria

...s necrotizing fasciitis (flesh-eating disease) and toxic shock syndrome. Strep is estimated to cause over 700 million infections each year; over 650,000 of these are dangerous invasive forms. The UCSD-Australian research team sought to identify what special characteristics make the invasive M1T1 strep c...

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