MON 810 and NK603 GM Maize: No Effects Detected on Rat Health or Metabolism

Epi de maïs.. © INRA, WEBER Jean
Epi de maïs.. © INRA, WEBER Jean
A diet based on MON 810 or NK603 transgenic maize does not affect the health or metabolism of rats, under the conditions of the GMO 90+1 project 1 . This unprecedented study performed by a research consortium led by Inra brought together a number of partners 2 , including Inserm. For six months, rats were fed a diet containing either GM maize (MON 810 or NK603) or non-GM maize, in varying concentrations. The researchers, using high-throughput biology techniques, did not identify any significant biological markers related to the transgenic maize diet. Neither did anatomic pathology examination reveal any alteration of the liver, kidneys or reproductive system of the rats fed diets containing these GMOs. This research, published on December 10, 2018 in Toxicological Sciences, does not reveal any harmful effects related to the consumption of these two types of GM maize in the rat even after lengthy periods of exposure. The researchers used two well-known types of GM maize: MON 810, which produces the protein Bt rendering it resistant to certain insects, and NK603 in which the modification of a gene renders it resistant to glyphosate.
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