Abstract
SummaryC57BL/6 mice were sensitized to Aspergillus fumigatus 1-week culture filtrate, which is rich in the non-glycosylated allergen Asp f1, a major allergen in allergic bronchopulmonary aspergillosis (ABPA). A comparison of the effect of treatment of allergen challenged mice by intranasal administration of a 60-kDa truncated recombinant form of human SP-D (rfhSP-D) or recombinant full length SP-A (rhSP-A) was undertaken. Treatment with rfhSP-D produced significant reduction in IgE, IgG1 and peripheral blood eosinophilia and treatment with rfhSP-D, but not rhSP-A resulted in a significant reduction in airway hyperresponsiveness as measured by whole body plethysmography. Lung histology revealed less peribronchial lymphocytic infiltration in mice treated with rfhSP-D. Intracellular cytokine staining of spleen homogenates showed increases in IL-12 and IFN-γ and decrease in IL-4. The level of endogenous mouse SP-D was elevated sixfold in the lungs of sensitized mice and was not affected by treatment with rfhSP-D. Taken with our previous studies, with a BALB/c mouse model of ABPA using a 3-week A. fumigatus culture filtrate, the present results show that rfhSP-D can suppress the development of allergic symptoms in sensitized mice independent of genetic background and using a different preparation of A. fumigatus allergens.
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10.1164/ajrccm.151.6.7767565
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (March 11, 2003, 5:33 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 7, 2024, 3:23 a.m.) |
Indexed | 1 week, 2 days ago (Aug. 21, 2025, 1:06 p.m.) |
Issued | 22 years, 11 months ago (Sept. 19, 2002) |
Published | 22 years, 11 months ago (Sept. 19, 2002) |
Published Online | 22 years, 11 months ago (Sept. 19, 2002) |
Published Print | 22 years, 11 months ago (Sept. 19, 2002) |
@article{STRONG_2002, title={Intranasal delivery of a truncated recombinant human SP-D is effective at down-regulating allergic hypersensitivity in mice sensitized to allergens ofAspergillus fumigatus}, volume={130}, ISSN={1365-2249}, url={http://dx.doi.org/10.1046/j.1365-2249.2002.01968.x}, DOI={10.1046/j.1365-2249.2002.01968.x}, number={1}, journal={Clinical and Experimental Immunology}, publisher={Oxford University Press (OUP)}, author={STRONG, P and REID, K B M and CLARK, H}, year={2002}, month=sep, pages={19–24} }