Studies on the enhancement of allergic lung sensitization by inhalation of ozone and sulfuric acid aerosol.

J. W. Osebold, Laurel J Gershwin, Y. C. Zee

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

Air pollutants were found to enhance the allergic sensitization of mice to an inhaled antigen. Aerosolized ovalbumin was used to mimic the inhalation of an environmental allergen. In three experiments the antigenic contact was repeated at 4 to 7 times over a period of approximately a month. Groups of mice were intermittently exposed to ozone at 0.5 and 0.8 ppm, sulfuric acid aerosol (1 mg/m3), and a combination of the two air pollutants. Antigenically sensitized mice showed some evidence of atopic reactivity to the inhaled antigen, but the interpretation of these responses was difficult to evaluate by observation alone. Clear evidence of allergic sensitization was obtained by injecting the antigen intravenously and recording the instances of systemic anaphylaxis. Allergic mice demonstrated anaphylactic shock within a few minutes of the injection, and fatally shocked animals died within 20 to 40 min. Significant increases in the levels of sensitization were obtained in animals exposed to ozone and the combination of ozone and sulfuric acid aerosol.

Original languageEnglish (US)
Pages (from-to)221-234
Number of pages14
JournalJournal of Environmental Pathology and Toxicology
Volume3
Issue number5-6
StatePublished - Jun 1980

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Ozone
Aerosols
Inhalation
Air Pollutants
Antigens
Lung
Animals
Anaphylaxis
Ovalbumin
Allergens
Observation
Injections
sulfuric acid
Experiments

ASJC Scopus subject areas

  • Medicine(all)

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Studies on the enhancement of allergic lung sensitization by inhalation of ozone and sulfuric acid aerosol. / Osebold, J. W.; Gershwin, Laurel J; Zee, Y. C.

In: Journal of Environmental Pathology and Toxicology, Vol. 3, No. 5-6, 06.1980, p. 221-234.

Research output: Contribution to journalArticle

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