[Involvement of Pirt /TRPV1 signaling in acupuncture-induced reduction of visceral hypersensitivity in diarrhea-predominant irritable bowel syndrome rats].

EA can effectively alleviate visceral hypersensitivity in IBS-D rats, which may be related to its effect in down-regulating the expression level of DRG Pirt and colonic TRPV1.