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Updated: Aug 15, 2026

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
Published on: July 11, 2015
[Transitory IgM monoclonal gammopathy associated with brucellosis and tuberculosis (author's transl)]
Abstract:
Two cases of transitory IgM monoclonal gammopathy associated with infectious disease are presented. One patient was a 29 year-old woman with acute brucellosis; electrophoresis showed a homogeneous spike of slow gamma mobility constituted of IgM lambda. The second case was a 52 year-old male with milliary tuberculosis, in whom a homogenous spike of rapid gamma mobility constituted of IgM kappa was found. The monoclonal component disappeared in both cases after treatment of the infections; at 2 and 21/2 months respectively. The fact that the association of transitory IgM paraprotein and infection is not common, especially with brucellosis, is commented upon and a direct relationship between the infection and the monoclonal component is suggested.
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