Profilin (Che a 2) and polcalcin (Che a 3) are relevant allergens of Chenopodium album pollen: Isolation, amino acid sequences, and immunologic properties 

Slides:



Advertisements
Similar presentations
Detection of novel occupational wood allergens in locust wood dust (Robinia pseudoacacia L.)  Sabine Kespohl, PhD, Rolf Merget, MD, Axel Overlack, MD,
Advertisements

Napins, 2S albumins, are major allergens in oilseed rape and turnip rape  Tuija J. Puumalainen, MSc, Sanna Poikonen, MD, Annika Kotovuori, MSc, Kirsi Vaali,
Repeated low-dose intradermal allergen injection suppresses allergen-induced cutaneous late responses  Giuseppina Rotiroti, MD, Mohamed Shamji, PhD, Stephen.
Cor a 1–reactive T cells and IgE are predominantly cross-reactive to Bet v 1 in patients with birch pollen–associated food allergy to hazelnut  Claudia.
Kuan-Wei Chen, PhD, Katharina Blatt, MSc, Wayne R
Structural investigations of the major allergen Phl p I on the complementary DNA and protein level  Arnd Petersen, PhD, Gabriele Schramm, MSc, Albrecht.
Identification and isolation of a Fel d 1–like molecule as a major rabbit allergen  Christiane Hilger, PhD, Stéphanie Kler, MSc, Karthik Arumugam, PhD,
Identification of common allergenic structures in mugwort and ragweed pollen  Reinhold Hirschwehr, MDa, Claudia Heppner, MSca, Susanne Spitzauer, MDb,
Lupine allergy: Not simply cross-reactivity with peanut or soy
Identification and immunologic characterization of an allergen, alliin lyase, from garlic (Allium sativum)  Shao-Hsuan Kao, MS, Ching-Hsian Hsu, MD, PhD,
Angel Vallverdú, BSc, Juan A. Asturias, PhD, M
Identification and gene cloning of a new major allergen Cha o 3 from Chamaecyparis obtusa (Japanese cypress) pollen  Toshihiro Osada, MSc, Takafumi Harada,
Identification of allergens in fruits and vegetables: IgE cross-reactivities with the important birch pollen allergens Bet v 1 and Bet v 2 (birch profilin) 
Gloria García-Casado, PhD, Jesús F
Giant ragweed specific immunotherapy is not effective in a proportion of patients sensitized to short ragweed: Analysis of the allergenic differences.
Sarcoplasmic calcium-binding protein is an EF-hand–type protein identified as a new shrimp allergen  Rosalía Ayuso, MD, PhD, Galina Grishina, MS, María.
Cor a 1–reactive T cells and IgE are predominantly cross-reactive to Bet v 1 in patients with birch pollen–associated food allergy to hazelnut  Claudia.
IgE cross-reactivity between the major peanut allergen Ara h 2 and the nonhomologous allergens Ara h 1 and Ara h 3  Merima Bublin, PhD, Maria Kostadinova,
Plantago lanceolata: An important trigger of summer pollinosis with limited IgE cross- reactivity  Gabriele Gadermaier, PhD, Stephanie Eichhorn, MSc, Eva.
Delineating the specificity of an IgE-encoding transcriptome
Act d 12 and Act d 13: Two novel, masked, relevant allergens in kiwifruit seeds  Sofía Sirvent, PhD, Belén Cantó, BSc, Javier Cuesta-Herranz, MD, PhD,
Correlation of IgE/IgG4 milk epitopes and affinity of milk-specific IgE antibodies with different phenotypes of clinical milk allergy  Julie Wang, MD,
Molecular cloning, expression, and characterization of a major 38-kd cochineal allergen  Yoko Ohgiya, MS, Fumihiro Arakawa, MS, Hiroshi Akiyama, PhD, Yasuo.
Persistence of the IgE repertoire in birch pollen allergy
Sabine Fischer, MSc,a, Monika Grote, PhD,b, B. Fahlbusch, PhD,c, W. D
Diagnosing IgE-mediated hypersensitivity to sesame by an immediate-reading “contact test” with sesame oil  Cristiana Alonzi, MD, Paolo Campi, MD, Francesco.
Is 9 more than 2 also in allergic airway inflammation?
Rapid and comprehensive discovery of unreported shellfish allergens using large-scale transcriptomic and proteomic resources  Roni Nugraha, MSc, Sandip.
Leticia Vila, MD, PhD, Borja Bartolome, PhD, Ana Moreno, MD 
Anaphylactic reaction to (mixed) fruit juice containing dragon fruit
Cross-reactivity between the major allergen from olive pollen and unrelated glycoproteins: Evidence of an epitope in the glycan moiety of the allergen 
Molecular characterization of dog albumin as a cross-reactive allergen
Naturally processed T cell–activating peptides of the major birch pollen allergen  Sonja Mutschlechner, PhD, Matthias Egger, PhD, Peter Briza, PhD, Michael.
Allergen microarray detects high prevalence of asymptomatic IgE sensitizations to tropical pollen-derived carbohydrates  Clarissa R. Cabauatan, PhD, Christian.
Lipid transfer protein (Ara h 9) as a new peanut allergen relevant for a Mediterranean allergic population  Susanne Krause, PhD, Gerald Reese, PhD, Stefanie.
Protein unfolding strongly modulates the allergenicity and immunogenicity of Pru p 3, the major peach allergen  Masako Toda, PhD, Gerald Reese, PhD, Gabriele.
Anna-Riitta Hänninen, BSc a, Jari H
Genetically engineered hybrid proteins from Parietaria judaica pollen for allergen- specific immunotherapy  Roberto González-Rioja, PhD, Ignacio Ibarrola,
Cross-reactivity between Cupressus arizonica and Cupressus sempervirens pollen extracts  Bianca Barletta, BSc, Claudia Afferni, BSc, Raffaella Tinghino,
An experimental and modeling-based approach to locate IgE epitopes of plant profilin allergens  Gema López-Torrejón, PhD, Araceli Díaz-Perales, PhD, Julia.
IgE-mediated anaphylaxis caused by bites of the pigeon tick Argas reflexus: Cloning and expression of the major allergen Arg r 1  Christiane Hilger, PhD,
Systemic allergic reaction to coconut (Cocos nucifera) in 2 subjects with hypersensitivity to tree nut and demonstration of cross-reactivity to legumin-like.
Kuan-Wei Chen, PhD, Katharina Blatt, MSc, Wayne R
Erik Melén, BSc, Anna Pomés, PhD, Lisa D. Vailes, MS, L
Molecular cloning and expression in insect cells of honeybee venom allergen acid phosphatase (Api m 3)  Thomas Grunwald, PhD, Benjamin Bockisch, PhD,
Cockroach allergens: Coping with challenging complexity
Association between specific timothy grass antigens and changes in TH1- and TH2-cell responses following specific immunotherapy  Véronique Schulten, PhD,
Identification of a polygalacturonase as a major allergen (Pla a 2) from Platanus acerifolia pollen  Ignacio Ibarrola, PhD, M. Carmen Arilla, PhD, Alberto.
Beer anaphylaxis Journal of Allergy and Clinical Immunology
Complementary DNA cloning and immunologic characterization of a new Penicillium citrinum allergen (Pen c 3)  Horng-Der Shen, PhDa, Chih-Wen Wang, BSca,
Soybean (Glycine max) allergy in Europe: Gly m 5 (β-conglycinin) and Gly m 6 (glycinin) are potential diagnostic markers for severe allergic reactions.
α-Purothionin, a new wheat allergen associated with severe allergy
Lipid transfer protein (Ara h 9) as a new peanut allergen relevant for a Mediterranean allergic population  Susanne Krause, PhD, Gerald Reese, PhD, Stefanie.
Cat IgA, representative of new carbohydrate cross-reactive allergens
Diagnosis of Alternaria alternata sensitization with natural and recombinant Alt a 1 allergens  Juan A. Asturias, PhD, Ignacio Ibarrola, PhD, Angel Ferrer,
Identification of crab proteins that elicit IgE reactivity in snow crab–processing workers  Beth V. Gill, MD, Timothy R. Rice, André Cartier, MD, Denise.
Identification and characterization of a novel allergen from Blomia tropicalis: Blo t 21  Yun Feng Gao, BEng, De Yun Wang, MD, PhD, Tan Ching Ong, PhD,
Allergy to human seminal fluid: Cross-reactivity with dog dander
Cloning, sequencing, and recombinant production of Sin a 2, an allergenic 11S globulin from yellow mustard seeds  Oscar Palomares, PhD, Andrea Vereda,
Pedro Gamboa, MD, PhD, Rosa Sanchez-Monge, PhD, M
Cloning and expression of complementary DNA coding for an allergen with common antibody-binding specificities with three allergens of the house dust mite.
Cloning, expression, and clinical significance of the major allergen from ash pollen, Fra e 1  Rodrigo Barderas, BSc, Ashok Purohit, MD, Ioanna Papanikolaou,
Teresa Asensio, MD, Jesus F
Identification of wheat gliadins as an allergen family related to baker's asthma  Cordula Bittner, MD, Britta Grassau, MS, Karsten Frenzel, PhD, Xaver.
Wheat lipid transfer protein is a major allergen associated with baker's asthma  Arantxa Palacin, PhD, Santiago Quirce, MD, PhD, Alicia Armentia, MD, PhD,
Repeated low-dose intradermal allergen injection suppresses allergen-induced cutaneous late responses  Giuseppina Rotiroti, MD, Mohamed Shamji, PhD, Stephen.
Gastrointestinal digestion of Bet v 1–homologous food allergens destroys their mediator- releasing, but not T cell–activating, capacity  Eva Maria Schimek,
Carrier-bound, nonallergenic Ole e 1 peptides for vaccination against olive pollen allergy  Teresa E. Twaroch, MSc, Margit Focke, PhD, Vera Civaj, Milena.
The effects of gastric digestion on codfish allergenicity
Molecular cloning of a major Alternaria alternata allergen, rAlt a 2
Presentation transcript:

Profilin (Che a 2) and polcalcin (Che a 3) are relevant allergens of Chenopodium album pollen: Isolation, amino acid sequences, and immunologic properties  Rodrigo Barderas, BS, Mayte Villalba, PhD, Cristina Y. Pascual, MD, PhD, Eva Batanero, PhD, Rosalía Rodríguez, PhD  Journal of Allergy and Clinical Immunology  Volume 113, Issue 6, Pages 1192-1198 (June 2004) DOI: 10.1016/j.jaci.2003.12.587 Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 1 Antigenic reactivity of chenopod pollen. A, Chenopod-specific IgE levels and antigen-specific IgE values for 104 sera from patients with chenopod allergy. B, Analysis of IgE reactivity for 12 of these sera and for a pool of nonallergic sera (lane N). C, Analysis of IgG reactivity against Ole e 2 (olive profilin)– and Ole e 3 (olive polcalcin)–specific polyclonal antisera (lanes α-Ole e 2 and α-Ole e 3, respectively). Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 2 SDS-PAGE analysis of purification steps of Che a 2 and Che a 3. A, Protein staining with AgNO3. B, Immunoblotting of proteins assayed with polcalcin- and profilin-specific polyclonal antisera (lanes pAb) or with a pool of sera from patients with chenopod allergy (lanes Sera). Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 3 Inhibition of the IgE binding of sera from patients with chenopod allergy to the whole pollen extract by the purified Che a 2 and Che a 3. Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 4 Cross-reactivity between chenopod and olive profilins and chenopod and olive polcalcins analyzed by means of immunoblotting. Strips with purified allergens (left panel, Che a 2; right panel, Che a 3) were incubated with a pool of allergic sera preabsorbed with BSA or the corresponding panallergen from chenopod and olive as inhibitors. Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 5 Nucleotide sequence of a cDNA encoding Che a 2 and its deduced amino acid sequence (A): the primers used in the cloning are underlined. Comparison of amino acid sequence of Che a 2 with allergenic profilins from other plant sources (B): percentage of identity (%I) and similarity (%S) are referred to the Che a 2.1 clone, and secondary structure of birch profilin23 is indicated. H, α-Helix; black arrow, β-sheet. Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions

Fig 6 Nucleotide sequence of a cDNA encoding Che a 3 and its deduced amino acid sequence (A): 3 primers used are underlined. Comparison of amino acid sequence of Che a 3 with other allergenic polcalcins (B): percentage of identity (%I) and similarity (%S) are referred to Che a 3, and secondary structure of timothy polcalcin is indicated.32 H, α-Helix; black arrow, β-sheet. Journal of Allergy and Clinical Immunology 2004 113, 1192-1198DOI: (10.1016/j.jaci.2003.12.587) Copyright © 2004 American Academy of Allergy, Asthma and Immunology Terms and Conditions