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Clinical and genetic heterogeneity of inherited autosomal recessive susceptibility to disseminated Mycobacterium bovis bacille calmette-guérin infection.

Abstract : Five patients from 4 unrelated Tunisian families who presented with disseminated neonatal infection by Mycobacterium bovis bacille Calmette-Guérin strain were investigated. Two unrelated patients had different homozygous interleukin-12 receptor beta1 subunit gene splice-site mutations (64+5G-->A and 550-2A-->G). Two siblings and 1 unrelated patient, all of whom were from the same town, carried the same mutation (297del8) within the interleukin-12p40 gene. This is the first description of familial cytokine deficiency reported so far. All patients had complete lack of expression of the affected polypeptide and a profound deficiency of in vitro interferon-gamma production. The clinical severity of the mycobacterial infection was heterogeneous, even among affected members of the same family, which suggests the intervention of modifying genes.
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Submitted on : Friday, October 25, 2013 - 11:43:53 AM
Last modification on : Tuesday, July 16, 2019 - 1:50:02 PM

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Houda Elloumi-Zghal, Mohamed-Ridha Barbouche, Jalel Chemli, Mohamed Béjaoui, Abdelaziz Harbi, et al.. Clinical and genetic heterogeneity of inherited autosomal recessive susceptibility to disseminated Mycobacterium bovis bacille calmette-guérin infection.. Journal of Infectious Diseases, Oxford University Press (OUP), 2002, 185 (10), pp.1468-75. ⟨10.1086/340510⟩. ⟨pasteur-00876850⟩

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