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  • Title: Purification of three porcine immunoglobulin classes from the same biological source.
    Author: Phan Thanh L, Paraf A.
    Journal: Ann Rech Vet; 1987; 18(3):261-7. PubMed ID: 3122627.
    Abstract:
    Porcine IgG, IgA and IgM were isolated from sow milk. They were systematically purified by a combination of gel filtration and ion exchange chromatography. The yields were 85%, 64% and 32%, respectively. These immunoglobulins were very pure, as checked by SDS-PAGE and Ouchterlony immunodiffusion. SDS-PAGE showed moreover the evidence of secretory component S in the IgA molecule and of joining piece J both in IgA and IgM molecules. The procedure can be used to purify immunoglobulin classes from other biological sources.
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