Abstract:
:Glatiramer acetate (GA) is an immunomodulator approved for therapy of relapsing-remitting multiple sclerosis (RRMS), but recent findings indicate that it may also have additional, neurotrophic effects. Here, we found that supernatants from human GA-reactive T lymphocytes potentiated oligodendrocyte numbers in rodent and human oligodendrocyte progenitor (OPC) cultures. Effects of Th2-polarized lines were stronger than Th1-polarized cells. Microarray and ELISA analyses revealed that neurotrophic factors induced in Th2- and Th1-polarized GA-reactive lines included IGF-2 and BMP-7 respectively, and functional studies confirmed IGF-2 as trophic for OPCs. Our results support the concept that GA therapy may result in supportive effects on oligodendrocytes in RRMS patients.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Zhang Y,Jalili F,Ouamara N,Zameer A,Cosentino G,Mayne M,Hayardeny L,Antel JP,Bar-Or A,John GRdoi
10.1016/j.jneuroim.2010.06.014subject
Has Abstractpub_date
2010-10-08 00:00:00pages
71-9issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(10)00269-9journal_volume
227pub_type
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