Abstract：
:Bacillus thuringiensis insecticidal toxin (Bt) rice will be commercialized as a main food source. Traditional safety assessments on genetically modified products pay little attention on gastrointestinal (GI) health. More data about GI health of Bt rice must be provided to dispel public' doubts about the potential effects on human health. We constructed an improved safety assessment animal model using a basic subchronic toxicity experiment, measuring a range of parameters including microflora composition, intestinal permeability, epithelial structure, fecal enzymes, bacterial activity, and intestinal immunity. Significant differences were found between rice-fed groups and AIN93G-fed control groups in several parameters, whereas no differences were observed between genetically modified and non-genetically modified groups. No adverse effects were found on GI health resulting from genetically modified T2A-1 rice. In conclusion, this study may offer a systematic safety assessment model for GM material with respect to the effects on GI health.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Yuan Y,Xu W,He X,Liu H,Cao S,Qi X,Huang K,Luo Ydoi
10.1038/srep01962subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1962issn
2045-2322pii
srep01962journal_volume
3pub_type
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