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Oral administration of PELNs protects mice against DSS-induced colitis. a, Protocol for DSS-induced colitis and PELNs administration; b, Changes of body weight over time, normalized to the percentage of the day-zero body weight; c, Disease activity index (DAI); d, e, Colon length; f, Histological scores; g, H&E-stained colon sections. *P < 0.05, **P < 0.01, ***P < 0.001 ****P < 0.0001
