Abstract
The immunoregulatory system has recently been shown to require prostaglandins (PG) for its activation in man. We report here an impairment of immunoregulatory function, due to defective PGE monocytic production, in a 12-month-old boy with multiple carboxylase deficiency (MCD). The abnormal immune response was correctedin vitro by adding PGE to the medium. Moreover, PGE deficiency and immunoregulatory dysfunction responded to biotin administrationin vivo. It is suggested that the PGE deficiency in MCD could result from an impaired activity of a biotin enzyme, acetyl CoA carboxylase, since the product of this enzyme reaction, malonyl CoA, is required for prostaglandin synthesis.
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Fischer, A., Munnich, A., Saudubray, J.M. et al. Biotin-responsive immunoregulatory dysfunction in multiple carboxylase deficiency. J Clin Immunol 2, 35–38 (1982). https://doi.org/10.1007/BF00915976
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DOI: https://doi.org/10.1007/BF00915976