Current opinion in allergy and clinical immunology · 2022
Occupational respiratory allergy to reactive dyes.
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Muñoz Xavier, Clofent David, Cruz María-Jesús
Аннотация
PURPOSE OF REVIEW: Reactive dyes have been shown to cause respiratory sensitization in workers with occupational exposure. The present review analyzes the current knowledge of the role of reactive dyes in promoting occupational respiratory allergy. We discuss the current classification of reactive dyes as well as the potential development of occupational respiratory diseases after exposure to these substances.
RECENT FINDINGS: Few descriptions of the role of reactive dyes in the development of occupational allergy have been published in recent years. Several reactive dyes are considered causes of occupational asthma (OA), mainly in workers in textile industries. Positive skin tests and the presence of specific serum IgE antibodies to reactive dyes suggest that respiratory symptoms provoked by reactive dyes may be immunoglobulin E (IgE)-mediated reactions. It was suggested that airborne dye molecules may act as haptens and induce IgE-mediated hypersensitivity reactions.
SUMMARY: Reactive dyes are widely used in the textile industry, owing to their ability to produce strong covalent bonds to textile fibers. These substances have been identified as potential respiratory sensitizers causing OA and occupational rhinitis. The clinical presentation and phenotype of patients with OA due to reactive dyes is very similar to those presented by patients with OA to high molecular weight agents. The extensive use of reactive dyes in industry means that it is particularly important to describe their implications for health, which in fact are probably underestimated.
RECENT FINDINGS: Few descriptions of the role of reactive dyes in the development of occupational allergy have been published in recent years. Several reactive dyes are considered causes of occupational asthma (OA), mainly in workers in textile industries. Positive skin tests and the presence of specific serum IgE antibodies to reactive dyes suggest that respiratory symptoms provoked by reactive dyes may be immunoglobulin E (IgE)-mediated reactions. It was suggested that airborne dye molecules may act as haptens and induce IgE-mediated hypersensitivity reactions.
SUMMARY: Reactive dyes are widely used in the textile industry, owing to their ability to produce strong covalent bonds to textile fibers. These substances have been identified as potential respiratory sensitizers causing OA and occupational rhinitis. The clinical presentation and phenotype of patients with OA due to reactive dyes is very similar to those presented by patients with OA to high molecular weight agents. The extensive use of reactive dyes in industry means that it is particularly important to describe their implications for health, which in fact are probably underestimated.