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- Zhu, J, et al.
(author)
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Peripheral nerve myelin modulates the effect of antidepressants on major histocompatibility complex expression on macrophages in experimental allergic neuritis
- 1995
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In: INTERNATIONAL JOURNAL OF IMMUNOPATHOLOGY AND PHARMACOLOGY. - : SAGE Publications. - 0394-6320 .- 2058-7384. ; 8:3, s. 185-198
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Journal article (other academic/artistic)abstract
- The effect of bovine peripheral nerve myelin (BPM) used for induction of experimental allergic neuritis (EAN) in Lewis rats, on antidepressants' modulation of interferon-gamma (IFN-γ)-induced major histocompatibility complex (MHC) class I and II antigen expression on peritoneal macrophages in EAN rats was studied. Antidepressants with different profiles concerning inhibition of the neuronal reuptake of the monoamines serotonin (5-HT) and noradrenalin (NA), respectively, in concentrations of 10−4 to 10−8 M were used. At the concentration of 1.0 U/ml IFN-γ, most antidepressants significantly enhanced both MHC class I and class II expression, except maprotiline, a selective NA reuptake inhibiting antidepressant that suppressed MHC class I expression. Zimeldine, a selective 5-HT reuptake inhibitor did not affect MHC class II expression. BPM in general had an enhancing effect on modulation of both MHC class I and class II expression by antidepressants. By itself BPM enhanced MHC class I expression, but did not affect class II expression at IFN-γ 1.0 U/ml. The modulating effect of BPM on regulation of MHC expression by antidepressants could be the result of contaminating T cells and release of IFN-γ into cultures. The modulatory effect of antidepressants on MHC expression may to some extent be exerted by the action on 5-HT and/or NA regulation, but also by direct effects of antidepressants on macrophages. They probably play a role in zimeldine-induced Guillain-Barré syndrome in some patients and in the suppression of clinical signs of EAN in Lewis rats reported for some antidepressants.
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