HPLC fingerprinting approach for raw material assessment and unit operation tracking for IVIG production from Cohn I+II+III fraction

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EarlyView Article

  • Published: Aug 21, 2017
  • Author: Sebastijan Peljhan, Tina Jakop, Dunja Šček, Vid Skvarča, Blaž Goričar, Romina Žabar, Nina Mencin
  • Journal: ELECTROPHORESIS

The plasma‐derived IgG used either for diagnostic purpose or intravenous application (in form of IVIG) in various medical therapies is certainly gaining more and more attention on annual basis. Different manufacturing processes are used to isolate immunoglobulins from human plasma. However, a quest for alternative paths in IgG isolation not only requires development of the most efficient isolation process, but also a rapid and reliable analytics to track the purification. Fast and reliable fingerprint‐based method for characterization of IgG prepared from Cohn I+II+III paste is presented in this paper. The fingerprint method bases on partial separation of proteins in linear gradient on CIMac™ quaternary amine, strong anion exchange group (QA) 0.1 mL column. Partial separation of proteins does not allow simple quantitative analysis of the samples during the IgG isolation from Cohn I+II+III fraction paste, but very accurate qualitative information about the composition of the sample can be obtained in less than 5 min. From the differences in the chromatograms of various samples, the ratio between IgG and impurities in each sample can be easily assessed. The method is suitable for input material control, in‐line monitoring of the downstream processing, final control of the products, as well as in stability studies and enables taking fast and accurate decisions during fractionation process.

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