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Representative H&E-stained gut cross sections from (A) nonirradiated control, (B) irradiated vehicle-treated, (C) LPA-treated (2 mg/kg), and (D) OTP-treated wild-type (2 mg/kg) mice, (E and G) vehicle-treated LPA1 and LPA2 KO mice, and OTP-treated (2 mg/kg) (F) LPA1 KO and (H) LPA2 KO mice taken 4 days after irradiation. Calibration bar = ~500 µm.
