Deoxyschizandrin treats mice with ulcerative colitis possibly via the TLR4/NF-κB signaling pathway

Sheng Yu1, Haihua Qian2

  • 1Surgery of Traditional Chinese Medicine, Nanjing University of Traditional Chinese Medicine, The First Clinical Medical College Nanjing 210000, Jiangsu Province, China.

Abstract

Insights

Deoxyschizandrin (DSD) effectively treats ulcerative colitis (UC) in mice by reducing inflammation and cell damage. DSD works by inhibiting the TLR4/NF-κB signaling pathway, offering a potential new therapy for UC.

Area of Science:

  • Pharmacology
  • Gastroenterology
  • Immunology

Background:

  • Ulcerative colitis (UC) is a chronic inflammatory bowel disease with limited treatment options.
  • Understanding the molecular mechanisms underlying UC is crucial for developing effective therapies.

Purpose of the Study:

  • To investigate the therapeutic effects of deoxyschizandrin (DSD) on dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) in a mouse model.
  • To elucidate the underlying mechanisms by which DSD exerts its protective effects in UC.

Main Methods:

  • Establishment of UC mouse models using DSS administration.
  • Treatment of UC mice with deoxyschizandrin (DSD).
  • Evaluation of therapeutic efficacy through clinical observations and molecular analysis of colonic tissues.

Main Results:

  • DSS-induced UC mice exhibited increased disease activity, inflammation, oxidative stress, and colonic epithelial cell apoptosis.
  • DSD treatment significantly ameliorated these UC symptoms.
  • DSD intervention reduced the elevated levels of TLR4, MyD88, and NF-κB in the colonic tissues of UC mice.

Conclusions:

  • Deoxyschizandrin (DSD) demonstrates significant therapeutic potential for ulcerative colitis (UC).
  • DSD alleviates UC symptoms by inhibiting inflammation, oxidative stress, and apoptosis.
  • The protective effects of DSD are likely mediated through the inhibition of the TLR4/NF-κB signaling pathway.

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