title: Effect of interferon beta-1a on serum matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of matrix metalloproteinase (TIMP-1) in relapsing remitting multiple sclerosis patients. One year follow-up results.
abstract: There is emerging evidence that matrix metalloproteinases (MMPs) might be involved in blood brain barrier (BBB) breakdown in multiple sclerosis. A group of natural tissue inhibitors of metalloproteinases (TIMPS) regulates proteolytic activity to prevent tissue damage. TIMP-1 and MMP-9 are known to be secreted as heterodimers and TIMP-1 preferentially functions to inhibit MMP-9 activity. In this present study, the effects of IFNbeta-1a on serum MMP-9 and TIMP-1 were evaluated longitudinally during a one-year period. The MMP-9 levels showed no significant changes while TIMP-1 levels gradually and significantly increased during 3rd and 6th months of therapy compared with pretreatment levels.
authors.affiliation: Hacettepe University, Faculty of Medicine, Department of Neurology, Neuroimmunology Unit, 06100 Ankara, Turkey. rkbudak@hacettepe.edu.tr
authors.forename: Rana
authors.initials: R
authors.lastname: Karabudak
authors.forename: Asli
authors.initials: A
authors.lastname: Kurne
authors.forename: Dicle
authors.initials: D
authors.lastname: Guc
authors.forename: Meltem
authors.initials: M
authors.lastname: Sengelen
authors.forename: Hande
authors.initials: H
authors.lastname: Canpinar
authors.forename: Emin
authors.initials: E
authors.lastname: Kansu
mesh_terms: D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D000068556:Interferon beta-1a; D016899:Interferon-beta / Q000627:therapeutic use*; D008297:Male; D020780:Matrix Metalloproteinase 9 / Q000097:blood*; D008875:Middle Aged; D020529:Multiple Sclerosis, Relapsing-Remitting / Q000097:blood* / Q000188:drug therapy*; D018709:Statistics, Nonparametric; D019715:Tissue Inhibitor of Metalloproteinase-1 / Q000097:blood*
chemical_list: D019715:Tissue Inhibitor of Metalloproteinase-1; D016899:Interferon-beta; D020780:Matrix Metalloproteinase 9; D000068556:Interferon beta-1a