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. 1991 Aug;94:219–223. doi: 10.1289/ehp.94-1567939

Immunologic biomarkers associated with an acute exposure to exothermic byproducts of a ureaformaldehyde spill.

R E Madison 1, A Broughton 1, J D Thrasher 1
PMCID: PMC1567939  PMID: 1683282

Abstract

A community was exposed for several days to formaldehyde (HCHO), hexamethylenetetramine, trimethylamine, and paraformaldehyde emitted from an overheated tanker car containing ureaformaldehyde resin. Residents experienced acute HCHO symptoms at the time of the accident. Many developed chronic, multiple organ health complaints. Three years following the accident, exposed subjects were compared to residents of a nearby unexposed community for the following immunological parameters: white blood cell count, total lymphocyte count, percent and total lymphocyte subsets (CD5, CD4, CD8, CD19, CD25, and CD26 cells), prevalence of autoantibodies, and antibodies to HCHO-human serum albumin (HCHO-HSA) conjugate. The data were adjusted for gender, age, history of smoking, mobile home residency, and use of wood stoves. There was a statistically significant difference for the following: elevated percent and absolute numbers of CD26 cells (p less than 0.0001); autoantibodies (p less than 0.004), and greater titers of isotypes IgG (p less than 0.0005) and IgM (p less than 0.005) to HCHO-HSA. It is concluded that the exposed subjects had an activated immune system in addition to the elevated autoantibodies. Also, isotypes to HCHO-HSA resulted from the exposure and no other sources, such as smoking, mobile home residency, and use of wood stoves.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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