Cited by 37Allergic Rhinitis and SensitizationIndoor Air Quality and Microbial ExposureOccupational exposure and asthma

Allergenic proteins are fragmented in low concentrations of sodium hypochlorite

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Chen, P., Eggleston, P. A.·2001·Clinical & Experimental Allergy

Abstract

BACKGROUND: To facilitate allergen removal from indoor environments, it would be helpful to have household cleaning products that modified allergenic activity. Because NaOCl dissolves proteins in high concentrations and is both capable of killing bacteria and viruses and inactivating viral antigens at somewhat lower concentrations, we explored its effects on Mus m 1 and other indoor allergens. OBJECTIVE: To examine the ability of NaOCl to reduce the allergenicity of Mus m 1 and other indoor allergens. METHODS: Using purified mouse urinary allergen, we examined the effect on protein measured by Coomassie protein assay and on Mus m 1 measured by ELISA. We also examined the effects using SDS/PAGE and Western blots probed with sheep anti-Mus m 1 and with allergic human serum. RESULTS: When NaOCl and Mus m 1 were combined in a molar ratio of 100 : 1, IgE binding to Mus m 1 on Western blot was significantly reduced. At higher NaOCl concentrations the protein appeared to fragment and eventually became undetectable. Fragmentation appeared to be random in that peptides of a wide range of apparent molecular weight were produced. The reaction was complete within 1-2 min at OCl : pr ratios of greater than 200 : 1 and was optimal at pH 7.4. Immunological activity of other allergens (Fel d 1, Bla g 1, Der p 1) was decreased in vitro and dried allergen extracts were removed from surfaces. Adding an extraneous protein, BSA, to NaOCl:Mus m 1 solutions decreased the effect of NaOCl on the allergen. CONCLUSIONS: We concluded that NaOCl at concentrations commonly used in household products is capable of dramatically affecting allergenic protein.

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Crossref · 10.1046/j.1365-2222.2001.01127.x

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  1. Longbottom JL. Purification and characterization of allergens from the urines of mice and rats. In: Oehling A, Glazer I, Mathov P, Arbesman P, eds. Advances in Allergology and Applied Immunology. Oxford: Pergamon Press, 1980:483.

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Authors
Chen, P., & Eggleston, P. A.
Affiliations
Johns Hopkins University (US)
Corresponding author
Eggleston, P. A.
Venue
Clinical & Experimental Allergy
Publisher
Wiley
Published
2001-07
Volume
31
Issue
7
Pages
1086-1093
ISSN
  • 0954-7894 (ISSN-L)
  • 1365-2222
OpenAlex
W2054287592
Cited by
37
References
16
Citations by year
2025: 2 · 2023: 2 · 2022: 3 · 2020: 1 · 2018: 1 · 2017: 1 · 2015: 1 · 2012: 2
FWCI
1.20
Type
journal article
Language
en
Open access
Locations
  • Clinical & Experimental Allergy (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Clorox Company
  • National Institutes of Health
  • National Institute of Environmental Health Sciences (P01ES009601, ES 07527, ES09601)
Topics
  • Health Sciences › Medicine › Immunology and Allergy › Allergic Rhinitis and Sensitization
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Indoor Air Quality and Microbial Exposure
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Occupational exposure and asthma
Keywords
sodium hypochlorite, allergen inactivation, protein fragmentation, Mus m 1, indoor allergens, IgE binding, household cleaning products, Fel d 1, Bla g 1, Der p 1
MeSH terms
Allergens, Animals, Chlorine, Electrophoresis, Polyacrylamide Gel, Glycoproteins, Hydrogen-Ion Concentration, Kinetics, Male, Mice, Inbred C57BL, Peptide Fragments, Proteins, Sodium Dodecyl Sulfate, Sodium Hypochlorite, Antigens, Dermatophagoides, Mice, Antigens, Plant

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