Influence of caffeine and hyaluronic acid on collagen biosynthesis in human skin fibroblasts
Authors Donejko M, Przylipiak A, Rysiak E, Głuszuk K, Surażyński A
Received 22 June 2014
Accepted for publication 12 August 2014
Published 15 October 2014 Volume 2014:8 Pages 1923—1928
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Professor Shu-Feng Zhou
Magdalena Donejko,1 Andrzej Przylipiak,1 Edyta Rysiak,2 Katarzyna Głuszuk,2 Arkadiusz Surażyński2
1Department of Esthetic Medicine, 2Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Białystok, Białystok, Poland
Aim: The aim of this study was to evaluate the effect of caffeine on collagen biosynthesis in human skin fibroblasts and the influence of hyaluronic acid (HA) on this process.
Materials and methods: Collagen, [3H]-thymidine incorporation, and prolidase activity were measured in confluent human skin fibroblast cultures that had been treated with 1, 2, and 5 mM caffeine and with caffeine and 500 µg/mL HA. Western immunoblot analysis was performed to evaluate expression of ß1-integrin receptor, insulin-like growth factor receptor phospho-Akt protein and mitogen-activated protein kinase (phospho-extracellular signal-regulated kinase).
Results: Caffeine inhibited collagen biosynthesis in a dose-dependent manner. The mechanism of this process was found at the level of prolidase activity. Caffeine significantly inhibited the enzyme activity. The addition of HA had no effect on collagen biosynthesis or prolidase activity in fibroblasts incubated with caffeine. Caffeine also had an inhibitory effect on DNA biosynthesis. HA, however, did not have any significant effect on this process. The inhibition of the expression of ß1-integrin and insulin-like growth factor receptor in fibroblasts incubated with the caffeine indicates a possible mechanism of inhibition of collagen biosynthesis.
Conclusion: Caffeine reduces collagen synthesis in human cultured skin fibroblasts. HA did not have any significant protective effect on this process. This is the first study to our knowledge that reports caffeine-induced inhibition of collagen synthesis in human skin fibroblasts.
Keywords: collagen, caffeine, hyaluronic acid, fibroblast
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