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Colon length and colon macroscopic scores of mice treated with macrophage exosomes. (A) Mice were sacrificed on day 8 and colon lengths (an indirect marker of inflammation) were measured. (B) Macroscopic appearance of colons. (C) Mean macroscopic scores of colons. Macroscopic scores were assessed by hyperemia, wall thickening, ulceration, and extent of inflammation and damage.
