FIELD: biotechnology.
SUBSTANCE: method for in vitro preparation of a composition comprising a secretor-like immunoglobulin comprising the steps of production of a protein composition isolated from blood containing an immunoglobulin containing a J-chain in a crude form and mixing of the composition of step (a) with a secretory component. A composition for use in medicine comprising secretor-like IgA and/or secretor-like IgM or a combination thereof obtained by the described method is provided.
EFFECT: increased efficiency of composition application.
17 cl, 8 dwg, 5 ex
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