BACKGROUND: Only a small proportion of subjects exposed to isocyanates develop occupational asthma, suggesting individual predisposition. The human leucocyte antigen (HLA) class II molecules may play a crucial role in the development of the immune response to isocyanates.OBJECTIVES: To investigate the role of HLA class II molecules in the development of toluene diisocyanate (TDI)-induced asthma.SUBJECTS: Sixty-seven asthmatic subjects and 27 asymptomatic exposed subjects (controls) were typed at the HLA class II DQA1, DQB1 and DRB1 loci by polymerase chain reaction (PCR)-based techniques.RESULTS: The frequencies of DQA1*0104 and DQB1*0503 were significantly increased in asthmatics compared with asymptomatic exposed subjects, while DQA1*0101 and DQB1*0501 were significantly increased in asymptomatic exposed subjects. No significant difference was found in the distribution of DRB1 alleles between asthmatics and controls.CONCLUSIONS: The results of this study indicate that HLA-regulated immune mechanisms are involved in TDI-induced asthma and that, in exposed subjects, specific factors may increase or decrease the risk of developing disease

Association between HLA genes and susceptibility to toluene diisocyanate-induced asthma / C. E., Mapp; Beghe', Bianca; A., Balboni; G., Zamorani; M., Padoan; L., Jovine; O. R., Baricordi; Fabbri, Leonardo. - In: CLINICAL AND EXPERIMENTAL ALLERGY. - ISSN 0954-7894. - ELETTRONICO. - 30:5(2000), pp. 651-656. [10.1046/j.1365-2222.2000.00807.x]

Association between HLA genes and susceptibility to toluene diisocyanate-induced asthma

BEGHE', Bianca;FABBRI, Leonardo
2000

Abstract

BACKGROUND: Only a small proportion of subjects exposed to isocyanates develop occupational asthma, suggesting individual predisposition. The human leucocyte antigen (HLA) class II molecules may play a crucial role in the development of the immune response to isocyanates.OBJECTIVES: To investigate the role of HLA class II molecules in the development of toluene diisocyanate (TDI)-induced asthma.SUBJECTS: Sixty-seven asthmatic subjects and 27 asymptomatic exposed subjects (controls) were typed at the HLA class II DQA1, DQB1 and DRB1 loci by polymerase chain reaction (PCR)-based techniques.RESULTS: The frequencies of DQA1*0104 and DQB1*0503 were significantly increased in asthmatics compared with asymptomatic exposed subjects, while DQA1*0101 and DQB1*0501 were significantly increased in asymptomatic exposed subjects. No significant difference was found in the distribution of DRB1 alleles between asthmatics and controls.CONCLUSIONS: The results of this study indicate that HLA-regulated immune mechanisms are involved in TDI-induced asthma and that, in exposed subjects, specific factors may increase or decrease the risk of developing disease
2000
30
5
651
656
Association between HLA genes and susceptibility to toluene diisocyanate-induced asthma / C. E., Mapp; Beghe', Bianca; A., Balboni; G., Zamorani; M., Padoan; L., Jovine; O. R., Baricordi; Fabbri, Leonardo. - In: CLINICAL AND EXPERIMENTAL ALLERGY. - ISSN 0954-7894. - ELETTRONICO. - 30:5(2000), pp. 651-656. [10.1046/j.1365-2222.2000.00807.x]
C. E., Mapp; Beghe', Bianca; A., Balboni; G., Zamorani; M., Padoan; L., Jovine; O. R., Baricordi; Fabbri, Leonardo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/770293
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