Caffeine is well-known as a psychostimulant, and it can also be beneficial in numerous diseases such as diabetes and different types of cancer. Previous studies have shown that caffeine can have a protective role in bacterial infection-induced inflammation and hyperoxia-mediated pulmonary inflammation. Hepcidin, which is regulated by the IL-6/STAT3 inflammation pathway, is a peptide hormone that maintains systemic iron homeostasis. We hypothesized that caffeine's effects on inflammation may also influence hepcidin production and therefore systemic iron metabolism. To this end, we treated 2-month-old mice with caffeine by daily intragastric administration for 7 days, administering intraperitoneal LPS after the final caffeine treatment. Twelve hours after LPS treatment the mice were euthanized, and tissues were collected. We found that caffeine decreased hepatic hepcidin expression and attenuated LPS-induced hepatic hepcidin overexpression. IL-6 expression and STAT3 phosphorylation were also reduced upon caffeine administration. Additionally, hepatic and splenic FPN1 levels increased after caffeine treatment, leading...
Caffeine decreases hepcidin expression to alleviate aberrant iron metabolism under inflammation by regulating the IL-6/STAT3 pathway.
Yan-Zhong Chang, Ministry of Education Key Laboratory of Molecular and Cellular Biology, The Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 Nan'erhuan Eastern Road, Shijiazhuang 050024, China. Tel./ Fax +86-311-80787539. E-mail firstname.lastname@example.org
Zhong-Da Li, Meng-Yu Geng, Song-Rui Dou, Xuan Wang, Zi-Han Zhang, Yan-Zhong Chang; Caffeine decreases hepcidin expression to alleviate aberrant iron metabolism under inflammation by regulating the IL-6/STAT3 pathway.. IFIS Food and Health Sciences Database 2023; doi:
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