Banana allergy in patients with immediate-type hypersensitivity to natural rubber latex: Characterization of cross-reacting antibodies and allergens

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Banana allergy in patients with immediate-type hypersensitivity to natural rubber latex: Characterization of cross-reacting antibodies and allergens Soili Mäkinen-Kiljunen, MSc Journal of Allergy and Clinical Immunology Volume 93, Issue 6, Pages 990-996 (June 1994) DOI: 10.1016/S0091-6749(94)70046-X Copyright © 1994 Mosby, Inc. Terms and Conditions

FIG. 1 Correlation of the quantity of IgE in latex and banana RAST. Journal of Allergy and Clinical Immunology 1994 93, 990-996DOI: (10.1016/S0091-6749(94)70046-X) Copyright © 1994 Mosby, Inc. Terms and Conditions

FIG. 2 Inhibition of banana RAST by latex (–) and latex RAST by banana (2) in pooled serum from patients with latex allergy. Inhibition of latex RAST by timothy (●) and banana RAST by mite (♢) were used as controls. Journal of Allergy and Clinical Immunology 1994 93, 990-996DOI: (10.1016/S0091-6749(94)70046-X) Copyright © 1994 Mosby, Inc. Terms and Conditions

FIG. 3 Immunospot and immunospot inhibition after autoradiography. Replicates of undiluted samples and a 10-fold dilution were applied on each sheet. Samples comprised 1-4, B1; 5-8, B2; 9-12, AL2; 13-16, latex skin test extract; 17-20, GE2; 21-24, NAL1; 25-28, NAL2; 29-32, AL1; 33-34, GE1 (1:1 only); and 35-36, dog dander extract as control (1:1 only). A pool of sera from patients with latex allergy was preincubated with buffer (A), NAL1 (B), banana (C), and dog dander extract (D). Journal of Allergy and Clinical Immunology 1994 93, 990-996DOI: (10.1016/S0091-6749(94)70046-X) Copyright © 1994 Mosby, Inc. Terms and Conditions

FIG. 3 Immunospot and immunospot inhibition after autoradiography. Replicates of undiluted samples and a 10-fold dilution were applied on each sheet. Samples comprised 1-4, B1; 5-8, B2; 9-12, AL2; 13-16, latex skin test extract; 17-20, GE2; 21-24, NAL1; 25-28, NAL2; 29-32, AL1; 33-34, GE1 (1:1 only); and 35-36, dog dander extract as control (1:1 only). A pool of sera from patients with latex allergy was preincubated with buffer (A), NAL1 (B), banana (C), and dog dander extract (D). Journal of Allergy and Clinical Immunology 1994 93, 990-996DOI: (10.1016/S0091-6749(94)70046-X) Copyright © 1994 Mosby, Inc. Terms and Conditions

FIG. 4 Crossed immunoelectrophoresis (1 and 3), crossed radioimmunoelectrophoresis (4 and 6), crossed-line immunoelectrophoresis (2), and crossed-line radioimmunoelectrophoresis (5) of latex and banana. Latex proteins (47 μg) in the sample well were precipitated with rabbit antibodies to latex in the upper gel (3.3 μl/cm 2) without addition to the intermediate gels (1,4) and with an addition of 100 μg banana (B) proteins (2,5) in the lower intermediate gel. Cross-reacting antigens and allergens are indicated with an arrow. In plates 3 and 6, 15 μg of banana protein was run into rabbit anti-latex serum–containing gel with no addition to the intermediate gels. Journal of Allergy and Clinical Immunology 1994 93, 990-996DOI: (10.1016/S0091-6749(94)70046-X) Copyright © 1994 Mosby, Inc. Terms and Conditions