期刊
ANTIOXIDANTS
卷 11, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/antiox11081566
关键词
epigallocatechin-3-gallate; green tea; polyphenols; respiratory diseases; inflammation; oxidative stress
资金
- Ministry of Education, Science, Research and Sport of Slovakia [APVV-15-0075, VEGA 1/0131/22, APVV-18-0084, VEGA 1/0093/22]
This article reviews the biological effects of (-)-Epigallocatechin-3-gallate (EGCG) in respiratory diseases, including antioxidant, anti-inflammatory, anti-fibrotic, pro-apoptotic, anti-tumorous, and metabolic effects. EGCG may be beneficial in respiratory diseases through modulation of various intracellular signaling cascades.
(-)-Epigallocatechin-3-gallate (EGCG) is a major polyphenol of green tea that possesses a wide variety of actions. EGCG acts as a strong antioxidant which effectively scavenges reactive oxygen species (ROS), inhibits pro-oxidant enzymes including NADPH oxidase, activates antioxidant systems including superoxide dismutase, catalase, or glutathione, and reduces abundant production of nitric oxide metabolites by inducible nitric oxide synthase. ECGC also exerts potent anti-inflammatory, anti-fibrotic, pro-apoptotic, anti-tumorous, and metabolic effects via modulation of a variety of intracellular signaling cascades. Based on this knowledge, the use of EGCG could be of benefit in respiratory diseases with acute or chronic inflammatory, oxidative, and fibrotizing processes in their pathogenesis. This article reviews current information on the biological effects of EGCG in those respiratory diseases or animal models in which EGCG has been administered, i.e., acute respiratory distress syndrome, respiratory infections, COVID-19, bronchial asthma, chronic obstructive pulmonary disease, lung fibrosis, silicosis, lung cancer, pulmonary hypertension, and lung embolism, and critically discusses effectiveness of EGCG administration in these respiratory disorders. For this review, articles in English language from the PubMed database were used.
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