Therapeutic plasma exchange may adjust IL-6 and TGF-β signals in relapsed MS patients peripheral blood.

Abstract:

OBJECTIVE:Effects of therapeutic plasma exchange (TPE) on immune cells and their cytokine production in MS, are unknown. Since interleukine-6 and tumor growth factor-β have critical roles in MS immunopathogenesis, the impacts of TPE on the expression of these cytokines and their receptors on the surface of CD4+ T lymphocytes, were investigated. METHODS:Blood cells were obtained from 30 Relapsing-Remitting (RR) MS patients, before and after a complete TPE course. Cytokines mRNA and their receptor expression on the CD4+ T cells surface were assessed using real-time PCR and flowcytometry, respectively. RESULTS:TPE reduced symptom severity (P = .01) and the relief was higher in males than in females (P = .039). TPE also increased TGF-β mRNA and decreased IL-6 receptor expressing cells frequency (P = .009 and P = .028, respectively). Moreover, the frequency of CD4+IL6R+ T cells was positively correlated with disease severity (P = .001). CONCLUSION:TPE impacts simultaneously on the TGF-β mRNA and IL-6 receptor expression, and this may be a mechanism of improvement in MS relapse symptoms induced by the TPE.

journal_name

J Clin Apher

authors

Jamshidian A,Abd-Nikfarjam B,Khademi Z,Shaygannejad V,Salehi M

doi

10.1002/jca.21755

subject

Has Abstract

pub_date

2020-04-01 00:00:00

pages

72-78

issue

2

eissn

0733-2459

issn

1098-1101

journal_volume

35

pub_type

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