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Órgano Oficial del Colegio Mexicano de Alergia, Asma e Inmunología Pediátrica y de la Asociación Latinoamericana de Pediatría

2002, Number 3

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Alerg Asma Inmunol Pediatr 2002; 11 (3)

Crossed reactivity between house dust mites in sensitized asthmatic children. Havana City. 2001

Águila CR, García RRG, Hidalgo ZV, Torre MF, Fernández-Caldas RE, Martínez A

Language: Spanish
References: 16
Page: 88-91
PDF size: 197.83 Kb.


ABSTRACT

The domestic mites make up the allergens main source in the domestic dust and they are the main inductors of the breathing allergic manifestations. The most frequently species found are the Dermatophagoides pteronyssinus and the Blomia tropicalis. In the last years, the scarce existing crossed reactivity has been studied between mites of different families, oppossite to the great croossed reactivity that exists between the mites of the Dermatophagoides species, what shows that a great polisensibility facing different mites species. In order to identify the crossed reactivity between the mites species of Pyroglyphidae family and to no-Pyroglyphidae family via inhibition-Rast technique, two groups of serums were tested from the 68 pediatric patients choosen, of both sexs, being allergic to mites. These patients were from two hospitals of Havana City, Cuba. Where D. pteronyssinus, as a solid phase, was used, we have got inhibitions between 69 and 97%, with one group of serums and between 43 and 98%, with the other group; however when we deal with the farinae as a solid phase we have got inhibitions oscilating between 85 and 96% with both serums groups. It was demonstrated the scarce crossed reactivity between mites belonging to different families, what corroborate, the sensibility of these patients to different types of mites.


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