Traditional Chinese medicine formulation Chang-Kang-Fang restores gut-brain homeostasis in IBS-D via the Lactobacillus johnsonii-indole-3-lactic acid-aryl hydrocarbon receptor/interleukin-22 axis.
BACKGROUND Gut dysbiosis contributes to irritable bowel syndrome (IBS) by disrupting intestinal barrier functions and promoting inflammation. Chang‑kang‑fang (CKF), a Chinese herbal formula proven effective for diarrhea‑predominant IBS (IBS‑D) in a phase III trial, is thought to modulate the gut microbiota, yet the und...