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Purpose
Dextran Sodium Sulphate (DSS) Histology
Experimental Design
Mutant mice and wild-type controls (2 female and 2 males/group)
Procedure
Mutant mice and wild-type controls (2 female and 2 males/group) receive 1.5% dextran sodium sulphate (DSS) in drinking water for 7 days.
Weights are recorded daily and any mice that have lost greater than 20% or that exhibit clinical signs are sacrificed.
At day 10 mice are sacrificed and samples from the medial and distal gut are collected for histological analysis.
A pathology scoring system is used to assess the effect of the DSS in a blinded manner.