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Am J Chin Med ; 49(8): 1965-1999, 2021.
Article in English | MEDLINE | ID: covidwho-1599109


Pulmonary fibrosis (PF) is a chronic and irreversible interstitial lung disease that even threatens the lives of some patients infected with COVID-19. PF is a multicellular pathological process, including the initial injuries of epithelial cells, recruitment of inflammatory cells, epithelial-mesenchymal transition, activation and differentiation of fibroblasts, etc. TGF-[Formula: see text]1 acts as a key effect factor that participates in these cellular processes of PF. Recently, much attention was paid to inhibiting TGF-[Formula: see text]1 mediated cell processes in the treatment of PF with Chinese herbal medicines (CHM), an important part of traditional Chinese medicine. Here, this review first summarized the effects of TGF-[Formula: see text]1 in different cellular processes of PF. Then, this review summarized the recent research on CHM (compounds, multi-components, single medicines and prescriptions) to directly and/or indirectly inhibit TGF-[Formula: see text]1 signaling (TLRs, PPARs, micrRNA, etc.) in PF. Most of the research focused on CHM natural compounds, including but not limited to alkaloids, flavonoids, phenols and terpenes. After review, the research perspectives of CHM on TGF-[Formula: see text]1 inhibition in PF were further discussed. This review hopes that revealing the inhibiting effects of CHM on TGF-[Formula: see text]1-mediated cellular processes of PF can promote CHM to be better understood and utilized, thus transforming the therapeutic activities of CHM into practice.

Cell Physiological Phenomena/drug effects , Drugs, Chinese Herbal/therapeutic use , Pulmonary Fibrosis/drug therapy , Signal Transduction/drug effects , Transforming Growth Factor beta1/antagonists & inhibitors , COVID-19/complications , COVID-19/metabolism , COVID-19/virology , Humans , Medicine, Chinese Traditional/methods , Phytotherapy/methods , Pulmonary Fibrosis/complications , Pulmonary Fibrosis/metabolism , SARS-CoV-2/physiology , Transforming Growth Factor beta1/metabolism