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Sperm DNA Integrity is Unaffected by Thiopurine Treatment in Men With Inflammatory Bowel Disease

TitleSperm DNA Integrity is Unaffected by Thiopurine Treatment in Men With Inflammatory Bowel Disease
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2019
AuthorsGrosen, A., Nersting J., Bungum M., Christensen L.A., Schmiegelow K., Spanò M., Julsgaard M., Cordelli Eugenia, Leter Giorgio, Larsen P.B., Hvas C.L., and Kelsen J.
JournalJournal of Crohn's & colitis

{Background and Aims: Sperm DNA integrity, concentration, and motility are suspected to be altered by thiopurines (azathioprine [AZA] and 6-mercaptopurine [6-MP]). We investigated the impact of thiopurines on semen quality in men with inflammatory bowel disease [IBD], by a comprehensive panel of semen analyses. Methods: Semen from 40 men with IBD, in remission on AZA/6-MP therapy, was prospectively collected and compared with samples from 40 healthy volunteers. Paired samples [off and on AZA/6-MP] were obtained from a subset of IBD patients, and blood and semen were collected to determine 6-MP transmission to the ejaculate. Sperm DNA fragmentation was evaluated via sperm chromatin structure assay [SCSA] and Comet analysis. Conventional World Health Organization [WHO] parameters, i.e. semen volume and sperm concentration, motility, and morphology, were assessed. Additionally, we measured thioguanine nucleotide [TGN] incorporation in sperm cell DNA. Results: Sperm DNA fragmentation levels did not differ between men with IBD on AZA/6-MP and healthy volunteers when evaluated by SCSA [p = 0.23] and Comet analysis [p = 0.72]. IBD patients on AZA/6-MP had significantly lower total and progressive sperm motility than healthy volunteers [48.5% versus 64.5%


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Citation KeyGrosen20193