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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Methylxanthines Inhibit Primary Amine Oxidase And Monoamine Oxidase Activities Of Human Adipose Tissue, Wiem Haj Ahmed, CéCile Peiro, Jessica Fontaine, Barry J. Ryan, Gemma K. Kinsella, Jeff O’Sullivan, Jean-Louis Grolleau, Gary T.M. Henehan, Christian CarpéNé
Methylxanthines Inhibit Primary Amine Oxidase And Monoamine Oxidase Activities Of Human Adipose Tissue, Wiem Haj Ahmed, CéCile Peiro, Jessica Fontaine, Barry J. Ryan, Gemma K. Kinsella, Jeff O’Sullivan, Jean-Louis Grolleau, Gary T.M. Henehan, Christian CarpéNé
Articles
Abstract: Background: Methylxanthines including caffeine and theobromine are widely consumed compounds and were recently shown to interact with bovine copper-containing amine oxidase. To the best of our knowledge, no direct demonstration of any interplay between these phytochemicals and human primary amine oxidase (PrAO) has been reported to date. We took advantage of the coexistence of PrAO and monoamine oxidase (MAO) activities in human subcutaneous adipose tissue (hScAT) to test the interaction between several methylxanthines and these enzymes, which are involved in many key pathophysiological processes. Methods: Benzylamine, methylamine, and tyramine were used as substrates for PrAO and MAO in homogenates …