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General Information

Document type
  • Peer-reviewed journal article
GE organism
  • soybean
GE trait
  • herbicide tolerance
Country
  • Japan

Results

Safety for consumption
  • no effect

A 52-week feeding study of genetically modified soybeans in F344 rats Open Access

Sakamoto, Y; Tada, Y; Fukumori, N; Tayama, K; Ando, H; Takahashi, H; Kubo, Y; Nagasawa, A; Yano, N; Yuzawa, K; Ogata, A; Kamimura, H
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 2007 48(3):41-50

Link to full text (open access, freely available)

PMID: 17657996 DOI: 10.3358/shokueishi.48.41

Abstract

A chronic feeding study to evaluate the safety of the genetically modified glyphosate-tolerant soybeans (GM soybeans) was conducted using rats. F344 DuCrj rats were fed diet containing GM soybeans or Non-GM soybeans at the concentration of 30% in basal diet. Non-GM soybeans were closely related strain of GM soybeans. These two diets were adjusted to an identical nutrient level. In this study, the influence of GM soybeans on rats was compared with that of the Non-GM soybeans, and furthermore, to assess the effect of soybeans themselves, the groups of rats fed GM and Non-GM soybeans were compared with a group fed commercial diet (CE-2). General conditions were observed daily and body weight and food consumption were recorded. At the intermediate examination (26 weeks), and at the termination (52 weeks), animals were subjected to hematology, serum biochemistry, and pathological examination. There were several differences in animal growth, food intake, serum biochemical parameters and histological findings between the rats fed the GM and/or Non-GM soybeans and the rats fed CE-2. However, body weight and food intake were similar for the rats fed the GM and Non-GM soybeans. Gross necropsy findings, hematological and serum biochemical parameters, organ weights, and pathological findings showed no meaningful difference between rats fed the GM and Non-GM soybeans. These results indicate that long-term intake of GM soybeans at the level of 30% in diet has no apparent adverse effect in rats.

Keywords

rat, genetically modified soybean, 52-week feeding study

Funding

Funding source
  • Not reported
Funding country
  • Not reported
Funding type
  • Not reported

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Cite this study

MLA

Sakamoto, Y, Y Tada, N Fukumori, K Tayama, H Ando, H Takahashi, Y Kubo, A Nagasawa, N Yano, K Yuzawa, A Ogata, H Kamimura. "A 52-week feeding study of genetically modified soybeans in F344 rats." Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 48.3 (2007): 41-50. Web. 21 Nov. 2018.

APA

Sakamoto, Y., Tada, Y., Fukumori, N., Tayama, K., Ando, H., Takahashi, H., Kubo, Y., Nagasawa, A., Yano, N., Yuzawa, K., Ogata, A., & Kamimura, H. (2007). A 52-week feeding study of genetically modified soybeans in F344 rats. Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi), 48(3), 41-50. doi:10.3358/shokueishi.48.41

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