16S rRNA sequencing of ileocecal contents in Sham, TAC and TAC+5-HIAA groups
Sham: Performing thoracotomy without narrowing the aortic archTAC: Performing thoracotomy and narrowing the aortic archTAC+5-HIAA: In the drinking water of mice after TAC surgery, 100mg/kg/d of 5-HIAA was added.