Dedicated removal of immunoglobulin (Ig)A, IgM, and Factor (F)XI/activated FXI from human plasma IgG

Yu Wen Wu, Jérôme Champagne, Magali Toueille, René Gantier, Thierry Burnouf

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Background Adverse events can be associated with treating critically ill patients with immunoglobulin (Ig)G. Some adverse events are due to contaminants like IgA and activated Factor (F)XI. Therefore, new purification strategies are needed for dedicated removal of these contaminants without impairing IgG recovery. Study Design and Methods An immunoglobulin fraction containing IgG, IgM, and IgA was prepared by caprylic acid precipitation of cryoprecipitate-poor plasma. The capacities of the cation exchangers (S HyperCel and CM Ceramic HyperD F) and anion exchangers (HyperCel STAR AX and Q HyperCel) to remove IgA, IgM, and spiked FXI were tested following a design of experiment approach using microplates and chromatographic column scale-up. FXI removal was also evaluated using Mustang S chromatographic membranes. IgG/IgG subclasses, IgA, IgM, and FXI were assessed by enzyme-linked immunosorbent assay, and caprylic acid, by gas chromatography. Results Extensive removal of IgA and IgM, but not FXI, was achieved by a two-step chromatographic process combining S HyperCel used in the IgG binding and elution mode and HyperCel STAR AX used in the IgG flow-through mode, providing high IgG and IgG subclass recovery (>85%), high purity (>99.5%), and efficient removal of IgA (

Original languageEnglish
Pages (from-to)169-178
Number of pages10
JournalTransfusion
Volume54
Issue number1
DOIs
Publication statusPublished - Jan 2014

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Factor XIa
Immunoglobulin A
Immunoglobulin M
Immunoglobulin G
Ceramics
Critical Illness
Gas Chromatography
Anions
Cations
Immunoglobulins
Enzyme-Linked Immunosorbent Assay

ASJC Scopus subject areas

  • Hematology
  • Immunology
  • Immunology and Allergy

Cite this

Dedicated removal of immunoglobulin (Ig)A, IgM, and Factor (F)XI/activated FXI from human plasma IgG. / Wu, Yu Wen; Champagne, Jérôme; Toueille, Magali; Gantier, René; Burnouf, Thierry.

In: Transfusion, Vol. 54, No. 1, 01.2014, p. 169-178.

Research output: Contribution to journalArticle

Wu, Yu Wen ; Champagne, Jérôme ; Toueille, Magali ; Gantier, René ; Burnouf, Thierry. / Dedicated removal of immunoglobulin (Ig)A, IgM, and Factor (F)XI/activated FXI from human plasma IgG. In: Transfusion. 2014 ; Vol. 54, No. 1. pp. 169-178.
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