title: Clinical Immunosuppressants Inhibit Inflammatory, Proliferative, and Reprogramming Potential, But Not Angiogenesis of Human Pancreatic Duct Cells.
abstract: The presence of pancreatic duct cells in clinical islet grafts may affect long-term metabolic success. Human pancreatic duct cells express factors that may exert both protective and damaging effects on islet cells in the graft. Here we studied the potential of commonly used immunosuppressive drugs in islet transplantation-sirolimus, tacrolimus, and mycophenolate mofetil (MMF)-to influence the inflammatory and angiogenic capacity of human pancreatic duct cells in addition to their proliferation and reprogramming abilities. Our data show that the expression of specific proinflammatory cytokines by the human pancreatic duct cells was either unaltered or inhibited by the immunosuppressants studied, especially tacrolimus and MMF, whereas expression of chemotactic and angiogenic factors was unaffected. Although none of the immunosuppressants directly led to duct cell death, MMF prevented duct cell proliferation, and sirolimus inhibited neurogenin 3-mediated duct-to-(neuro)endocrine cell reprogramming. Our data indicate that the immunosuppressant tacrolimus was the least aggressive on the angiogenic, proliferative, and reprogramming potential of human pancreatic duct cells, while it was most powerful in inhibiting inflammatory cytokines, which may influence the outcome of islet transplantation.
authors.affiliation: Laboratory of Clinical and Experimental Endocrinology, Campus Gasthuisberg O&N1, Faculty of Medicine, Katholieke Universiteit Leuven (KU Leuven), Leuven, Belgium.
authors.forename: Lei
authors.initials: L
authors.lastname: Ding
authors.forename: Yves
authors.initials: Y
authors.lastname: Heremans
authors.forename: Daniel
authors.initials: D
authors.lastname: Pipeleers
authors.forename: Zhidong
authors.initials: Z
authors.lastname: Ling
authors.forename: Harry
authors.initials: H
authors.lastname: Heimberg
authors.forename: Conny
authors.initials: C
authors.lastname: Gysemans
authors.forename: Chantal
authors.initials: C
authors.lastname: Mathieu
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D017209:Apoptosis / Q000187:drug effects; D049109:Cell Proliferation / Q000187:drug effects*; D065150:Cellular Reprogramming / Q000187:drug effects*; D018925:Chemokines / Q000235:genetics / Q000378:metabolism; D002642:Chick Embryo; D002645:Chickens; D002648:Child; D049033:Chorioallantoic Membrane / Q000098:blood supply; D016207:Cytokines / Q000235:genetics / Q000378:metabolism; D005260:Female; D006801:Humans; D007166:Immunosuppressive Agents / Q000494:pharmacology*; D016209:Interleukin-8 / Q000097:blood; D008297:Male; D051379:Mice; D016688:Mice, Inbred NOD; D016513:Mice, SCID; D008875:Middle Aged; D018919:Neovascularization, Physiologic; D010183:Pancreatic Ducts / Q000166:cytology / Q000187:drug effects* / Q000378:metabolism; D020123:Sirolimus / Q000494:pharmacology; D016559:Tacrolimus / Q000494:pharmacology; D042461:Vascular Endothelial Growth Factor A / Q000097:blood; D055815:Young Adult
chemical_list: D018925:Chemokines; D016207:Cytokines; D007166:Immunosuppressive Agents; D016209:Interleukin-8; D042461:Vascular Endothelial Growth Factor A; D020123:Sirolimus; D016559:Tacrolimus