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In situ hybridization for TGF-β1 mRNA in the rectum in the New Zealand white rabbit at 12 weeks postradiation (100×).
Notes: TGF-β1 mRNA positive area in the mucous of the rectum (red arrows) of (A) rectum of conventional radiation group, (B) IFN-γ group, and (C) normal group.
Abbreviations: IFN-γ, interferon gamma; mRNA, messenger RNA; TGF-β1, transforming growth factor beta 1.
