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. 2022 May 4;13:888280. doi: 10.3389/fphar.2022.888280

TABLE 1.

Potential antifibrotic mechanisms of capsaicin.

Agent Pathway/Mediators/Mechanism Tissue References
Capsaicin + sulforaphane ↑PPAR-γ, ↑Nrf2, ↑Catalase, ↓TGF-β1, ↓TNF-α, ↓IL-6, ↓Col-I Liver Fibrosis Mendivil et al. (2019)
Capsaicin ↑PPAR-γ, ↓TGF-β, ↓SMAD-2,3, ↑SMAD7, ↓NF-κB, ↓TNF-α, ↓α-SMA, ↓Col-I Liver Fibrosis Choi et al. (2017)
Capsaicin ↑TRPV-1,↓TGF-β, ↓SMAD-2,3,↓CTGF, ↓MMP-2,4,13, ↓Fibronectin,↑Col-I&III,↓AT-II-induced-fibroblast proliferation Cardiac Fibrosis Wang Q. et al. (2014)
Capsaicin ↓Collagen Fibril Formation Rat Tail Tendon Perumal et al. (2015)
Capsaicin ↓IL-6, ↓IL-12, ↓TNF-α, ↓Hes-1, ↓Notch-1, ↓M-1 Macrophage Polarization Liver Fibrosis Sheng et al. (2020)
Capsaicin ↓Collagen,↓CS, ↓DS, ↓Elastin, ↓HA,↓KS, ↓UA Lung Cancer Cho et al. (2017)
Capsaicin ↓ETS-1, ↓CTGF,↑miR-499 OSF Hou et al. (2015)
Zheng et al. (2015)
Wu et al. (2015)

Abbreviations: CS-Chondroitin Sulphate, DS-Dermatan Sulphate, HA-Hyaluronic Acid, KS-Keratan Sulphate, OSF- oral submucous fibrosis, UA-Uronic Acid.