PMID: 9436334Jan 22, 1998Paper

Change in venom-specific IgE levels during 2-year follow-up in five cases with a history of Hymenoptera sting

Arerugī = [Allergy]
T OnoN Nakazono

Abstract

Levels of specific IgE antibodies to three kinds of venom (honeybee, wasp and yellow jacket) were followed up for two years in five male pest control operators (age: 24 to 50 years) with Hymenoptera sting within the latest six months. At the first examination, all subjects had a positive reaction for venom-specific IgE but their levels were varied in the range from class 2 to 5 (0.70 approximately 99.9 UA/ml), and a positive reaction was observed in the case of unoffending Hymenoptera. A subject who was re-stung during the two-year follow-up period showed increase in all of the venom-specific IgE levels. Of four subjects without re-stung during the two years, three subjects had a logarithmic decrease in all the specific IgE levels time-dependently, but one subject with a high total serum IgE level showed an increase and decrease alternately in the specific IgE The total serum IgE level may be a factor which influences the change in the venom-specific IgE level. In the four subjects without a high total serum IgE level, the biological half-life of venom-specific IgE was estimated to be 6 to 12 months based on the decreased level during the follow-up period.

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