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  • Title: [Blomia tropicalis: A house dust mite in the tropics].
    Author: Guilleminault L, Viala-Gastan C.
    Journal: Rev Mal Respir; 2017 Oct; 34(8):791-801. PubMed ID: 28502519.
    Abstract:
    INTRODUCTION: Blomia tropicalis is a mite that belongs to the superfamily of Glycyphagidae. Initially described as a storage mite, it is now considered as a house dust mite of tropical and sub-tropical areas. STATE OF THE ART: Sensitization to this mite is very common in South America and Southeast Asia. Epidemiological studies have also found sensitization to this mite in Africa and Central America. Blo t 5 is the major allergen of B. tropicalis. Co-sensitization to other house dust mites such as Dermatophagoides pteronyssinus (Der p) and Dermatophagoides farinae (Der f) is very common. Cross-reactivity has been described but recombinant allergens revealed by molecular biology techniques do not explain this cross-reactivity. Sensitization to B. tropicalis seems to begin at the age of 36 months, the incidence increases until adulthood, and decreases from the age of 50. The involvement of B. tropicalis in allergic rhinitis and asthma is well described. It is also implicated in other allergic diseases. Few studies have assessed the therapeutic strategies available against this mite but immunotherapy is widely used. PERSPECTIVES: Studies are needed to better understand the role of B. tropicalis in human diseases and to develop specific treatments.
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