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Fears grow as study shows genetically modified crops 'can cause liver and kidney damage'
By David Derbyshire
Last updated at 9:43 AM on 21st January 2010
An environmental campaigner protesting against GM crops. A study said it can cause organ damage.
一名環境運動者針對基因改造作物抗議；一項研究說它會導致器官損害。
Fresh fears were raised over GM crops yesterday after a study showed they can cause liver and kidney damage.
對基因改造作物的新鮮恐懼上升，由於昨日一項研究發表展示它們能導致肝和腎損害。
According to the research, animals fed on three strains of genetically modified maize created by the U.S. biotech firm Monsanto suffered signs of organ damage after just three months.
根據研究，動物餵飼以由美國的生物科技公司孟山都所創製的，三種歪曲的基因改造玉米剛三個月後，承受器官損害跡象後。
The findings only came to light after Monsanto was forced to publish its raw data on safety tests by anti-GM campaigners.
這些發現見光是因為，孟山都被迫向反基因改造運動者公佈，它的安全測試得的原數據。
They add to the evidence that GM crops may damage health as well as be harmful to the environment.
它們加上原有的證據，基因改造作物可能損害健康，以及對環境有害。
The figures released by Monsanto were examined by French researcher Dr Gilles-Eric Seralini, from the University of Caen.
Yesterday he called for more studies to check for long-term organ damage.
作天卡昂大學的Seralini搏士，呼龥作出更多的研究以檢查長期器官損害。
'What we've shown is clearly not proof of toxicity, but signs of toxicity,' he told New Scientist magazine. 'I'm sure there's no acute toxicity but who's to say there are no chronic effects?'
The experiments were carried out by Monsanto researchers on three strains of GM maize. Two of the varieties contained genes for the Bt protein which protects the plant against the corn borer pest, while a third was genetically modified to be resistant to the weedkiller glyphosate. All three strains are widely grown in America, while one is the only GM crop grown in Europe, mostly in Spain.
Monsanto only released the raw data after a legal challenge from Greenpeace, the Swedish Board of Agriculture and French anti- GM campaigners.
Dr Seralini concluded that rats which ate the GM maize had ' statistically significant' signs of liver and kidney damage. Each strain was linked to unusual concentrations of hormones in the blood and urine of rats fed the maize for three months, compared to rats given a non-GM diet.
The higher hormone levels suggest that animals' livers and kidneys are not working properly.
Female rats fed one of the strains also had higher blood sugar levels and raised levels of fatty substances caused triglycerides, Dr Seralini reported in the International Journal of Microbiology.
The analysis concluded: 'These substances have never before been an integral part of the human or animal diet and therefore their health consequences for those who consume them, especially over long time periods are currently unknown.'
Monsanto claimed the analysis of its data was 'based on faulty analytical methods and reasoning, and does not call into question the safety findings for these products'
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发表于 2010-7-14 20:23:00
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