SEROLOGIC REACTIVITY AGAINST MYCOBACTERIUM-PARATUBERCULOSIS ANTIGENS IN PATIENTS WITH SARCOIDOSIS

SEROLOGIC REACTIVITY AGAINST MYCOBACTERIUM-PARATUBERCULOSIS ANTIGENS IN PATIENTS WITH SARCOIDOSIS

Reid J D; Chiodini R J

Sarcoidosis

1993

1993-03

Although sarcoidosis has clinical and histopathologic similarities to some forms of tuberculosis and other mycobacterial infections, attempts to establish a mycobacterial etiology have not been successful. Using cytoplasmic antigens derived from a wild strain of Mycobacterium paratuberculosis in an enzyme-linked immunosorbent assay, patients with sarcoidosis were found to have immunoglobulin levels significantly higher than those found in a control population in the IgG, but not in IgA or IgM antibody classes. Results were comparable to those reported from patients with Crohn's disease, where M. paratuberculosis has been intensively studied as a possible etiologic agent. To elucidate these relationships, examination of DNA from sarcoid tissues for possible homology with DNA from M. paratuberculosis and closely related organisms, as well as cultural attempts with techniques and media appropriate for M. paratuberculosis may be warranted.

antibodies; crohns-disease; crohns-disease; elisa; elisa assay; inflammatory bowel disease; linked immunosorbent-assay; mycobacterium-paratuberculosis; Respiratory System; tuberculosis

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Journal Article

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