Prevalence of IgE antibodies to grain and grain dust in grain elevator workers
IgE-mediated allergic reactions have been postulated to contribute to respiratory reactions seen in workers exposed to grain dusts. In an attempt better to define the prevalence of IgE antibodies in workers exposed to grain dusts, we performed the radioallergosorbent test (RAST) on worker sera using both commercial allergens prepared from grain and worksite allergens prepared from grain dust samples collected at the worksite. We found that the two types of reagents identified different populations with respect to the specificity of IgE antibodies present. The RAST assay performed using worksite allergens correlated well with skin test procedures. These results may allow us to gain better understanding of allergy associated with grain dust exposure, and document the utility of the RAST assay in assessment of occupational allergies.
- Research Organization:
- National Institute for Occupational Safety and Health, Morgantown, WV
- OSTI ID:
- 6915825
- Journal Information:
- Environ. Health Perspect.; (United States), Vol. 66
- Country of Publication:
- United States
- Language:
- English
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