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Interaction of genetic and exposure factors in the prevalence of berylliosis

✍ Scribed by Luca Richeldi; Kathleen Kreiss; Margaret M. Mroz; Boguang Zhen; Pierluigi Tartoni; Cesare Saltini


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
32 KB
Volume
32
Category
Article
ISSN
0271-3586

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✦ Synopsis


Prevalence of berylliosis, a lung disorder driven by the activation of beryllium-specific T cells, is associated with a major histocompatibility complex (MHC) class II marker (HLA-DPB1Glu69) and with the type of industrial exposure. We evaluated the interaction between marker and exposure in a beryllium-exposed population in which the prevalence of berylliosis was associated with machining beryllium. The presence of the marker was associated with higher prevalence (HLA-DPB1Glu69-positive machinists 25%; HLA-DPB1Glu69-negative machinists 3.2%, P 5 0.05) and predicted berylliosis independent of machining history (odds ratios 11.8 and 10.1). The study shows that in berylliosis the carrier status of a genetic susceptibility factor adds to the effect of process-related risk factors.


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