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  • Enkephalin Degradation in Serum of Patients with Inflammatory Bowel Diseases
    Pharmacological Reports 71 (2019) 42–47 Contents lists available at ScienceDirect Pharmacological Reports journal homepage: www.elsevier.com/locate/pharep Original article Enkephalin degradation in serum of patients with inflammatory bowel diseases a, a b Beata Wilenska *, Dagmara Tymecka , Marcin Włodarczyk , b c Aleksandra Sobolewska-Włodarczyk , Maria Wisniewska-Jarosinska , d e b a,d, Jolanta Dyniewicz , Árpád Somogyi , Jakub Fichna , Aleksandra Misicka * a Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Warszawa, Poland b Department of Biochemistry, Medical University of Lodz, Łódz, Poland c Department of Gastroenterology, Medical University of Lodz, Łódz, Poland d Department of Neuropeptides, Mossakowski Medical Research Centre Polish Academy of Science, Warszawa, Poland e Campus Chemical Instrumentation Centre (CCIC), The Ohio State University, Columbus, OH, USA A R T I C L E I N F O A B S T R A C T Article history: Background: Inflammatory bowel diseases (IBD) are a group of chronic and recurrent gastrointestinal Received 18 April 2018 disorders that are difficult to control. Recently, a new IBD therapy based on the targeting of the Received in revised form 10 June 2018 endogenous opioid system has been proposed. Consequently, due to the fact that endogenous Accepted 1 August 2018 enkephalins have an anti-inflammatory effect, we aimed at investigating the degradation of serum Available online 2 August 2018 enkephalin (Met- and Leu-enkephalin) in patients with IBD. Methods: Enkephalin degradation in serum of patients with IBD was characterized using mass Keywords: spectrometry methods. Calculated half-life (T1/2) of enkephalins were compared and correlated with the Inflammatory bowel diseases disease type and gender of the patients.
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