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Immunoglobulin G dimers and immune complexes are dispensable for the therapeutic efficacy of intravenous immune globulin in murine immune thrombocytopenia

Immunoglobulin G dimers and immune complexes are dispensable for the therapeutic efficacy of... BACKGROUND: Several mechanisms have been proposed to explain the therapeutic effects of intravenous immunoglobulin (IVIG) in immune thrombocytopenia (ITP). Noteworthy, a major role has been attributed to immunoglobulin (Ig)G dimers present in IVIG. It has also been suggested that immune complexes formed between IVIG and the patient's proteins after infusion could contribute to the therapeutic effect of IVIG in several autoimmune disorders. We recently observed that in‐house preparations of polyclonal human IgG derived from small pools of plasma and devoid of IgG dimers were as efficient as IVIG in a mouse model of thrombocytopenia. In this work, we revisited the role of IgG dimers in the therapeutic effects of IVIG in ITP. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transfusion Wiley

Immunoglobulin G dimers and immune complexes are dispensable for the therapeutic efficacy of intravenous immune globulin in murine immune thrombocytopenia

Transfusion , Volume 53 (2) – Jan 1, 2013

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References (42)

Publisher
Wiley
Copyright
Copyright © 2013 AABB
ISSN
0041-1132
eISSN
1537-2995
DOI
10.1111/j.1537-2995.2012.03725.x
pmid
22670706
Publisher site
See Article on Publisher Site

Abstract

BACKGROUND: Several mechanisms have been proposed to explain the therapeutic effects of intravenous immunoglobulin (IVIG) in immune thrombocytopenia (ITP). Noteworthy, a major role has been attributed to immunoglobulin (Ig)G dimers present in IVIG. It has also been suggested that immune complexes formed between IVIG and the patient's proteins after infusion could contribute to the therapeutic effect of IVIG in several autoimmune disorders. We recently observed that in‐house preparations of polyclonal human IgG derived from small pools of plasma and devoid of IgG dimers were as efficient as IVIG in a mouse model of thrombocytopenia. In this work, we revisited the role of IgG dimers in the therapeutic effects of IVIG in ITP.

Journal

TransfusionWiley

Published: Jan 1, 2013

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