Research Topics
| R ValentaSummaryAffiliation: University of Vienna Country: Austria Publications
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Publications
From allergen structure to new forms of allergen-specific immunotherapyRudolf Valenta
Department of Pathophysiology, University of Vienna Medical School, Vienna General Hospital, Waehringer Guertel 18 20, A 1090, Vienna, Austria
Curr Opin Immunol 14:718-27. 2002....
Recombinant allergen molecules: tools to study effector cell activationR Valenta
Department of Pathophysiology, Vienna General Hospital, University of Vienna, Austria
Immunol Rev 179:119-27. 2001..Such allergen derivatives may be used for allergen-specific immunotherapy with reduced risk of inducing anaphylactic side effects...
Intranasal treatment with a recombinant hypoallergenic derivative of the major birch pollen allergen Bet v 1 prevents allergic sensitization and airway inflammation in miceU Wiedermann
Department of Clinical Pharmacology, University of Vienna, Austria
Int Arch Allergy Immunol 126:68-77. 2001..The major birch pollen allergen Bet v 1 represents one of the most prevalent environmental allergens responsible for allergic airway inflammation...
Molecular, immunological, and structural characterization of Phl p 6, a major allergen and P-particle-associated protein from Timothy grass (Phleum pratense) pollenS Vrtala
Institute of General and Experimental Pathology, Vienna General Hospital, University of Vienna, Austria
J Immunol 163:5489-96. 1999....
Mucosal tolerance induction with hypoallergenic molecules in a murine model of allergic asthmaU Wiedermann
Department of Pathophysiology, University of Vienna, Austria
Int Arch Allergy Immunol 124:391-4. 2001..We conclude from our studies that mucosal tolerance induction with hypoallergenic molecules could provide a safe and convenient treatment strategy against type I allergies...
Carrier-bound nonallergenic Der p 2 peptides induce IgG antibodies blocking allergen-induced basophil activation in allergic patientsK W Chen
Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
Allergy 67:609-21. 2012..The aim of this study was to develop and characterize an allergy vaccine based on carrier-bound Der p 2 peptides, which should allow reducing IgE- and T-cell-mediated side-effects during specific immunotherapy (SIT)...
Non-anaphylactic surface-exposed peptides of the major birch pollen allergen, Bet v 1, for preventive vaccinationM Focke
Department of Pathophysiology, Vienna General Hospital, Medical University of Vienna, Austria
Clin Exp Allergy 34:1525-33. 2004..Almost 100 million allergic patients are sensitized to the major birch pollen allergen, Bet v 1, a 17 kDa protein containing most of the IgE epitopes present in pollens of trees belonging to the Fagales order and plant-derived food...
Purification, biochemical, and immunological characterisation of a major food allergen: different immunoglobulin E recognition of the apo- and calcium-bound forms of carp parvalbuminA Bugajska-Schretter
Institute of Medical and Chemical Laboratory Diagnostics, AKH, University of Vienna, Austria
Gut 46:661-9. 2000..Almost 4% of the population suffer from food allergy which is an adverse reaction to food with an underlying immunological mechanism...
Nonanaphylactic synthetic peptides derived from B cell epitopes of the major grass pollen allergen, Phl p 1, for allergy vaccinationM Focke
Department of Pathophysiology, Vienna General Hospital, AKH, University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
FASEB J 15:2042-4. 2001..We thus demonstrate that synthetic hypoallergenic peptides derived from B cell epitopes of major allergens represent safe vaccine candidates for the treatment of IgE- mediated allergies...
Vaccination with genetically engineered allergens prevents progression of allergic diseaseV Niederberger
Department of Otorhinolaryngology, Vienna General Hospital, University of Vienna, 1090 Vienna, Austria
Proc Natl Acad Sci U S A 101:14677-82. 2004..Vaccination with genetically engineered allergen derivatives is a therapy for allergy that not only ameliorates allergic reactions but also reduces the IgE production underlying the disease...
Recombinant allergen-based monitoring of antibody responses during injection grass pollen immunotherapy and after 5 years of discontinuationE Gadermaier
Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna General Hospital, Wahringer Gurtel 18 20, Vienna, Austria
Allergy 66:1174-82. 2011..Subcutaneous injection immunotherapy (SCIT) is considered as antigen-specific and disease-modifying treatment with long-lasting effect...
Reducing allergenicity by altering allergen fold: a mosaic protein of Phl p 1 for allergy vaccinationT Ball
Department of Pathophysiology, Center for Physiology, Pathophysiology and Immunology, Medical University of Vienna, Austria
Allergy 64:569-80. 2009..Our objective was the construction, purification and immunologic characterization of a genetically modified derivative of the major timothy grass pollen allergen, Phl p 1 for immunotherapy of grass pollen allergy...
Carrier-bound Alt a 1 peptides without allergenic activity for vaccination against Alternaria alternata allergyT E Twaroch
Christian Doppler Laboratory for Allergy Research, Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 42:966-75. 2012..The mould Alternaria alternata is a major elicitor of allergic asthma. Diagnosis and specific immunotherapy (SIT) of Alternaria allergy are often limited by the insufficient quality of natural mould extracts...
Molecular characterization of wheat allergens specifically recognized by patients suffering from wheat-induced respiratory allergyS Pahr
Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna General Hospital, Waehringer Guertel 18 20, Vienna, Austria
Clin Exp Allergy 42:597-609. 2012..Wheat (Triticum aestivum) is an important allergen source responsible for various clinical manifestations of allergy (i.e. food allergy, pollen allergy, respiratory allergy to flour-Baker's asthma)...
Variability of IgE reactivity profiles among European mite allergic patientsM Weghofer
Division of Immunopathology, Department of Pathophysiology, Centre for Physiology and Pathophysiology, Medical University of Vienna, Austria
Eur J Clin Invest 38:959-65. 2008..Our aim was to determine the frequencies of IgE reactivity to purified HDM allergen molecules in mite allergic patients from different parts of Europe in order to establish an allergen panel for diagnosis of HDM allergy...
Patients suffering from non-IgE-mediated cow's milk protein intolerance cannot be diagnosed based on IgG subclass or IgA responses to milk allergensH Hochwallner
Department of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
Allergy 66:1201-7. 2011....
Characterization of recombinant cat albuminR Reininger
Institute of Medical and Chemical Laboratory Diagnostics, University of Vienna, Vienna, Austria
Clin Exp Allergy 33:1695-702. 2003..CONCLUSIONS: Recombinant cat albumin may be used as a paradigmatic tool to analyse mechanisms of allergen-triggered exacerbation of AD, for diagnostic and, perhaps for therapeutic purposes...
Comparison of purified Dermatophagoides pteronyssinus allergens and extract by two-dimensional immunoblotting and quantitative immunoglobulin E inhibitionsM Weghofer
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 35:1384-91. 2005..CONCLUSION: The studied recombinant and natural mite allergens contain a large portion of Der p-specific IgE and may be used for diagnostic tests and therapy of Der p allergy...
Detection of an allergen in dog dander that cross-reacts with the major cat allergen, Fel d 1R Reininger
Clinical Institute for Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 37:116-24. 2007..A considerable proportion of animal-allergic patients are sensitized to both cat and dog allergens but knowledge about cross-reactive allergens in cat and dog dander is limited...
IgA cross-reactivity between a nuclear autoantigen and wheat proteins suggests molecular mimicry as a possible pathomechanism in celiac diseaseS Natter
Department of Pathophysiology, AKH, University of Vienna, Vienna, Austria
Eur J Immunol 31:918-28. 2001....
The majority of allergen-specific IgE in the blood of allergic patients does not originate from blood-derived B cells or plasma cellsJ Eckl-Dorna
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 42:1347-55. 2012..The production of allergen-specific IgE antibodies is a hallmark of IgE-mediated allergy but the contribution of blood cells to allergen-specific IgE production in allergic patients has not been studied in detail...
Molecular characterization of Der p 10: a diagnostic marker for broad sensitization in house dust mite allergyY Resch
Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, AustriaAllergy Centre Vienna West, Vienna, Austria
Clin Exp Allergy 41:1468-77. 2011..Tropomyosins represent clinically relevant seafood allergens but the role of mite tropomyosin, Der p 10, in house dust mite (HDM) allergy has not been studied in detail...
Association of allergic patients' phenotypes with IgE reactivity to recombinant pollen marker allergensA Twardosz-Kropfmüller
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Allergy 65:296-303. 2010..The aim of this study was to investigate whether IgE reactivity to recombinant pollen allergens with broad and narrow cross-reactivity is associated with clinical phenotypes of allergic sensitization...
Analysis of the antibody responses induced by subcutaneous injection immunotherapy with birch and Fagales pollen extracts adsorbed onto aluminum hydroxideE Gadermaier
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
Int Arch Allergy Immunol 151:17-27. 2010..In the present study, we analyze the epitope specificities of antibody responses induced by SCIT with allergen extracts from pollen of trees belonging to the order Fagales (birch, alder, hazel) adsorbed onto aluminum hydroxide...
Characterization of Der p 21, a new important allergen derived from the gut of house dust mitesM Weghofer
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Allergy 63:758-67. 2008..The house dust mite (HDM) Dermatophagoides pteronyssinus is a major allergen source eliciting allergic asthma. The aim of the study was to identify new important HDM allergens associated with allergic asthma...
Allergen-specific immunotherapy with a monophosphoryl lipid A-adjuvanted vaccine: reduced seasonally boosted immunoglobulin E production and inhibition of basophil histamine release by therapy-induced blocking antibodiesN Mothes
Department of Pathophysiology, Vienna General Hospital, University of Vienna, Vienna, Austria
Clin Exp Allergy 33:1198-208. 2003..These blocking antibodies may have protective effects by inhibiting immediate-type reactions and systemic increases of IgE responses caused by seasonal allergen exposure...
The immunoglobulin E-allergen interaction: a target for therapy of type I allergic diseasesR Valenta
Department of General and Experimental Pathology, University of Vienna, Austria
Int Arch Allergy Immunol 116:167-76. 1998..Here we discuss active and passive strategies for therapy of type I allergy, which are based on interfering with the IgE-allergen interaction...
Skin test results but not serology reflect immediate type respiratory sensitivity: a study performed with recombinant allergen moleculesV Niederberger
Department of Otorhinolaryngology, University of Vienna, Austria
J Invest Dermatol 117:848-51. 2001..These results have implications for allergy diagnosis and, in particular, for the selection of relevant allergen components for specific immunotherapy...
Autoantibody reactivity in a case of Schnitzler's syndrome: evidence for a Th1-like response and detection of IgG2 anti-FcepsilonRIalpha antibodiesW R Sperr
Department of Internal Medicine I, Division of Hematology and Hemostaseology, University of Vienna, Austria
Int Arch Allergy Immunol 122:279-86. 2000..Whether such autoantibodies are recurrently produced in patients with Schnitzler's syndrome and play a role in the pathophysiology of the disease remains to be determined...
Developments in allergen-specific immunotherapy: from allergen extracts to allergy vaccines bypassing allergen-specific immunoglobulin E and T cell reactivityM Focke
Christian Doppler Laboratory for Allergy Research, Division of Immunopathology, Department of Pathophysiology, Center for Pathophysiology, Immunology and Infectiology, Immunology and Infectiology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 40:385-97. 2010..Should these peptide vaccines prove efficacious and safe in clinical trials, it may become possible to develop convenient, safe and broadly applicable forms of SIT as true alternatives to symptomatic, drug-based allergy treatment...
A molecular model of type I allergy: identification and characterization of a nonanaphylactic anti-human IgE antibody fragment that blocks the IgE-FcepsilonRI interaction and reacts with receptor-bound IgES Laffer
Department of Pathophysiology, AKH, University of Vienna, Vienna, Austria
J Allergy Clin Immunol 108:409-16. 2001..CONCLUSION: Fab12 represents a candidate molecule for therapy of atopy and asthma because it can be used for the depletion of circulating IgE antibodies, as well as for the depletion of IgE-bearing cells...
Immunotherapy of allergic diseaseR Valenta
Division of Immunopathology, Department of Pathophysiology, University of Vienna, Medical School, Austria
Adv Immunol 82:105-53. 2004
A high-affinity monoclonal anti-IgE antibody for depletion of IgE and IgE-bearing cellsS Laffer
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Allergy 63:695-702. 2008..In this study, we assessed the binding kinetics and affinity of monoclonal antibody 12 (mAb12) for IgE and investigated whether mAb12 can be used for depletion of IgE and isolation of IgE-bearing cells from peripheral blood...
Basophils are not the key antigen-presenting cells in allergic patientsJ Eckl-Dorna
Department of Otorhinolaryngology, Medical University of Vienna, AKH, Vienna, Austria
Allergy 67:601-8. 2012..Here, we investigate whether basophils are of importance for the presentation of allergen and the induction of T cell proliferation in allergic patients...
The allergen profile of beech and oak pollenC Egger
Christian Doppler Laboratory for Allergy Research, Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 38:1688-96. 2008..Beech and oak pollen are potential allergen sources with a world-wide distribution...
Molecular composition and biological activity of commercial birch pollen allergen extractsM Focke
Medical University of Vienna, Vienna, Austria
Eur J Clin Invest 39:429-36. 2009..The aim of this study was to analyse birch pollen allergen extracts produced for in vivo diagnosis of birch pollen allergy regarding their contents of individual birch pollen allergens (Bet v 1, Bet v 2 and Bet v 4)...
Component-resolved diagnosis of house-dust mite allergy with purified natural and recombinant mite allergensG Pittner
Division of Immunopathology, Department of Pathophysiology, Vienna General Hospital, Medical University of Vienna, Austria
Clin Exp Allergy 34:597-603. 2004..g. Der p 10) may improve the diagnostic selection of patients for immunotherapy with Der p extracts. These tests may also be used for the immunological monitoring of patients undergoing immunotherapy...
Microarray and allergenic activity assessment of milk allergensH Hochwallner
Department of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 40:1809-18. 2010..5% of infants in the first years of their life. However, only limited information regarding the allergenic activity of individual cow's milk allergens is available...
Recombinant allergens promote expression of aminopeptidase-n (CD13) on basophils in allergic patientsK Sonneck
Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria
Int J Immunopathol Pharmacol 21:11-21. 2008..In aggregate, our data show that recombinant allergens promote expression of CD13 on basophils in sensitized individuals. The functional significance and diagnostic implications of this observation remain to be determined...
The allergen profile of ash (Fraxinus excelsior) pollen: cross-reactivity with allergens from various plant speciesV Niederberger
Department of Otorhinolaryngology, Vienna General Hospital, University of Vienna, Vienna, Austria
Clin Exp Allergy 32:933-41. 2002..The fact that ash pollen-allergic patients can be discriminated on the basis of their specific IgE reactivity profile to highly or moderately cross-reactive allergens has implications for the selection of appropriate forms of treatment...
Identification of oilseed rape (Brassica napus) pollen profilin as a cross-reactive allergenMargarete Focke
FAZ Floridsdorf Allergy Centre, University of Vienna, Vienna, Austria
Int Arch Allergy Immunol 132:116-23. 2003..Major allergens of oilseed rape (OSR) pollen with molecular weights of 6/8, 14 and between 27 and 69 kD have been described. The aim of the present study was to further characterize the 14-kD allergen...
The role of Foxp3+ T cells in long-term efficacy of prophylactic and therapeutic mucosal tolerance induction in miceB Winkler
Department of Specific Prophylaxis and Tropical Medicine, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Allergy 61:173-80. 2006....
Molecular and immunological characterization of arginine kinase from the Indianmeal moth, Plodia interpunctella, a novel cross-reactive invertebrate pan-allergenM Binder
Division of Specific Prophylaxis and Tropical Medicine and Immunopathology, Department of Pathophysiology, University of Vienna, Vienna, Austria
J Immunol 167:5470-7. 2001..Recombinant arginine kinase may be used to identify a group of polysensitized indoor allergic patients and for immunotherapy of these individuals...
Heterogeneity of commercial timothy grass pollen extractsM Focke
Christian Doppler Laboratory for Allergy Research, Department of Pathophysiology, Center for Physiology and Pathophysiology, Vienna General Hospital, Medical University of Vienna, Austria
Clin Exp Allergy 38:1400-8. 2008..The diagnosis and specific immunotherapy of allergy is currently performed with allergen extracts prepared from natural allergen sources...
Analysis of the sensitization profile towards allergens in central AfricaK Westritschnig
Department of Pathophysiology, University of Vienna, Vienna, Austria
Clin Exp Allergy 33:22-7. 2003....
Recombinant monoclonal human immunoglobulin E to investigate the allergenic activity of major grass pollen allergen Phl p 5C Madritsch
Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 41:270-80. 2011..Allergen recognition by IgE antibodies is a key event in allergic inflammation...
Micro-arrayed wheat seed and grass pollen allergens for component-resolved diagnosisC Constantin
Division of Immunopathology, Department of Pathophysiology, Center of Physiology and Pathophysiology, Medical University of Vienna, Waehringer Guertel 18 20, Vienna, Austria
Allergy 64:1030-7. 2009..The aim of the study was to develop an allergen micro-array for differential diagnosis of baker's asthma, wheat-induced food allergy and grass pollen allergy...
Genetic engineering of a hypoallergenic trimer of the major birch pollen allergen Bet v 1S Vrtala
Department of Pathophysiology, Vienna General Hospital, University of Vienna Medical School, Waeringer Guertel 18-20, A-1090 Vienna, Austria
FASEB J 15:2045-7. 2001..Thus, rBet v 1 trimer represents a novel hypoallergenic vaccine prototype for treatment of one of the most frequent allergy forms...
Inhibition of CD23-dependent facilitated allergen binding to B cells following vaccination with genetically modified hypoallergenic Bet v 1 moleculesI Pree
Department of Otorhinolaryngology, Medical University of Vienna, Wahringer Gurtel 18 20, Vienna, Austria
Clin Exp Allergy 40:1346-52. 2010..Vaccination with hypoallergenic recombinant Bet v 1 derivatives (Bet v 1 fragments and Bet v 1 trimer) is associated with the induction of IgG antibodies specific to natural Bet v 1...
Antibodies induced with recombinant VP1 from human rhinovirus exhibit cross-neutralisationJ Edlmayr
Division of Immunopathology, Dept of Pathophysiology, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
Eur Respir J 37:44-52. 2011..They exhibited strong cross-neutralising activity for different HRV strains. Therefore, recombinant VP1 may be considered a candidate HRV vaccine to prevent HRV-induced asthma exacerbations...
Sensitization to human milkU Schulmeister
Institute of Clinical and Medical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 38:60-8. 2008..Allergy to milk is one of the earliest manifestations of IgE-mediated allergies and affects about 2.5% of newborn children. Several reports indicate that milk-allergic patients may be sensitized also to human milk proteins...
Molecular characterization of a human immunoglobulin G4 antibody specific for the major birch pollen allergen, Bet v 1S Flicker
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Waehringer Guertel, Vienna, Austria
Clin Exp Allergy 38:365-73. 2008..Objective Our aim was the molecular characterization of a human IgG4 antibody (BAB5) specific for the major birch pollen allergen Bet v 1 that was derived from an immunotherapy-treated patient...
Microarrayed recombinant allergens for diagnosis of allergyC Harwanegg
VBC Genomics Bioscience Research GmbH, Vienna, Austria
Clin Exp Allergy 33:7-13. 2003..The wealth of diagnostic information gained through microarray-based allergy testing will likely improve diagnosis, prevention and treatment of allergy...
IgG subclass reactivity to human cardiac myosin in cardiomyopathy patients is indicative of a Th1-like autoimmune diseaseP Skyllouriotis
General and Experimental Pathology, Vienna General Hospital, University of Vienna, Medical School, Vienna, Austria
Clin Exp Immunol 115:236-47. 1999....
Persistent molecular microchimerism induces long-term tolerance towards a clinically relevant respiratory allergenU Baranyi
Division of Transplantation, Department of Surgery, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 42:1282-92. 2012..e. macrochimerism) and completely abrogated Phl p 5-specific immunity despite repeated immunizations with Phl p 5...
Evaluation of the allergenic potential of Ginkgo biloba extractsR Mossabeb
Department of Pathophysiology, University of Vienna, Austria
Wien Klin Wochenschr 113:580-7. 2001..In conclusion, no evidence for the presence of type I allergens in Ginkgo extracts was found. We recommend serological and/or skin testing to exclude sensitisation to components of Ginkgo biloba extracts...
Cigarette smoke facilitates allergen penetration across respiratory epitheliumK Gangl
Department of Otorhinolaryngology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
Allergy 64:398-405. 2009..We sought to investigate in an in vitro system whether active smoking reduces the integrity and barrier function of the respiratory epithelium and thus facilitates allergen penetration...
IgA autoreactivity: a feature common to inflammatory bowel and connective tissue diseasesL Kazemi-Shirazi
Department of Internal Medicine IV, Division of Gastroenterology and Hepatology, University of Vienna, Austria
Clin Exp Immunol 128:102-9. 2002..Our data indicate immunopathogenic similarities between IBD and CTD...
Component-resolved diagnosis to optimize allergen-specific immunotherapy in the Mediterranean areaR Valenta
Christian Doppler Laboratory for Allergy Research, Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Austria
J Investig Allergol Clin Immunol 17:36-40. 2007..Here, we describe allergen molecules from these sources that can be used for component-resolved diagnosis of allergy to facilitate the selection of patients for SIT and monitor the immunological effects of treatment...
Immunoglobulin E antibody reactivity to bacterial antigens in atopic dermatitis patientsK Reginald
Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
Clin Exp Allergy 41:357-69. 2011..AD patients are often sensitized against a broad variety of allergens and more than 90% of them suffer from skin superinfections with Staphylococcus aureus...
Recombinant allergen-based concepts for diagnosis and therapy of type I allergyR Valenta
Department of Pathophysiology, Vienna General Hospital-AKH, University of Vienna Medical School, Waehringer Guertel 18-20, A-1090 Vienna, Austria
Allergy 57:66-7. 2002
Possible modes of allergen-specific sensitization and boosting in an atopic childR Reininger
Clinical Institute for Medical and Chemical Laboratory Diagnostics, University of Vienna, Austria
Int Arch Allergy Immunol 130:275-9. 2003....
Escherichia coli expression and purification of recombinant dog albumin, a cross-reactive animal allergenB Pandjaitan
Institute of Medical and Chemical Laboratory Diagnostics, AKH, University of Vienna, Vienna, Austria
J Allergy Clin Immunol 105:279-85. 2000..Diagnosis and therapy of animal allergy would benefit from the availability of defined recombinant allergens. They may be preferred to animal-derived proteins, particularly for in vivo application in patients...
Recombinant fish parvalbumins: Candidates for diagnosis and treatment of fish allergyInes Swoboda
Institute of Medical and Chemical Laboratory Diagnostics, AKH, University of Vienna, , A-1090 Vienna, Austria
Allergy 57:94-6. 2002..These clones will be the basis for the production of recombinant carp parvalbumin, a useful tool for in vitro and in vivo diagnosis of fish allergy...
Molecular characterization of an autoallergen, Hom s 1, identified by serum IgE from atopic dermatitis patientsR Valenta
Institute of General and Experimental Pathology, Vienna General Hospital, University of Vienna Medical School, Austria
J Invest Dermatol 111:1178-83. 1998..If so, the respective recombinant molecule may serve as a paradigmatic tool for the diagnosis and treatment of patients with "intrinsic" atopy...
Expression of mast cell tryptase by myeloblasts in a group of patients with acute myeloid leukemiaW R Sperr
Department of Internal Medicine I, Division of Hematology and Hemostaseology, University of Vienna, Austria
Blood 98:2200-9. 2001..Blast cell persistence or regrowth was associated with a persistently elevated level or recurrent increase of tryptase. Together, tryptase is expressed in myeloblasts in a group of AML and may serve as a useful disease-related marker...
Isolation of cDNA clones coding for IgE autoantigens with serum IgE from atopic dermatitis patientsS Natter
Institute of General and Experimental Pathology, AKH, University of Vienna, Austria
FASEB J 12:1559-69. 1998..Via binding to antigen presenting cells as well as to effector cells, IgE autoantigen immune complexes may contribute to exacerbation and/or perpetuation of severe atopic diseases even in the absence of exogenous allergens...
Cerivastatin and atorvastatin inhibit IL-3-dependent differentiation and IgE-mediated histamine release in human basophils and downmodulate expression of the basophil-activation antigen CD203c/E-NPP3Yasamin Majlesi
Department of Internal Medicine I, Division of Hematology and Hemostaseology, University of Vienna, , A-1090 Vienna, Austria
J Leukoc Biol 73:107-17. 2003..Together, these data identify cerivastatin and atorvastatin as novel inhibitors of growth and activation of human basophils...
Characterization of folded recombinant Der p 5, a potential diagnostic marker allergen for house dust mite allergyMargit Weghofer
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
Int Arch Allergy Immunol 147:101-9. 2008..The aim of this study was to produce, by recombinant DNA technology, a folded Der p 5 allergen for diagnostic, therapeutic and preventive purposes...
Formation of disulfide bonds and homodimers of the major cat allergen Fel d 1 equivalent to the natural allergen by expression in Escherichia coliHans Grönlund
Unit of Clinical Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden
J Biol Chem 278:40144-51. 2003..Moreover, the recombinant Fel d 1 construct provides a tool for defining the three-dimensional structure of Fel d 1 and represents a reagent for diagnosis and allergen-specific immunotherapy of cat allergy...
A hypoallergenic hybrid molecule with increased immunogenicity consisting of derivatives of the major grass pollen allergens, Phl p 2 and Phl p 6Birgit Linhart
Division of Immunopathology, Department of Pathophysiology, Center of Physiology, Pathophysiology and Immunology, Medical University of Vienna, Vienna, Austria
Biol Chem 389:925-33. 2008..These antibodies could inhibit patients' IgE binding to the wild-type allergens. Thus, the described strategy allows the development of safer and more efficacious vaccines for the treatment of grass pollen allergy...
Identification of cross-reactive and genuine Parietaria judaica pollen allergensSabine Stumvoll
Department of Pathophysiology, AKH, University of Vienna, Vienna, Austria
J Allergy Clin Immunol 111:974-9. 2003....
Reduction of the in vivo allergenicity of Der p 2, the major house-dust mite allergen, by genetic engineeringKuan Wei Chen
Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Waehringer Guertel 18 20, 1090 Vienna, Austria
Mol Immunol 45:2486-98. 2008..Thus the rDer p 2 derivatives exhibited less in vivo allergenic activity and allergenicity than the Der p 2 allergen but preserved immunogenicity and may hence represent candidates for specific immunotherapy of house-dust mite allergy...
Prevention of allergen-specific IgE production and suppression of an established Th2-type response by immunization with DNA encoding hypoallergenic allergen derivatives of Bet v 1, the major birch-pollen allergenRomana Hochreiter
Institute of Chemistry and Biochemistry, University of Salzburg, Austria
Eur J Immunol 33:1667-76. 2003..This concept may be applied for the development of safe and specific DNA vaccines for the prophylaxis and therapy of allergic diseases...
Three-dimensional structure of the cross-reactive pollen allergen Che a 3: visualizing cross-reactivity on the molecular surfaces of weed, grass, and tree pollen allergensPetra Verdino
Institute of Chemistry, Structural Biology, University of Graz, Heinrichstrasse 28, Graz, Austria
J Immunol 180:2313-21. 2008....
Renaissance of the blocking antibody concept in type I allergySabine Flicker
Division of Immunopathology, Department of Pathophysiology, University of Vienna, Vienna General Hospital, Vienna, Austria
Int Arch Allergy Immunol 132:13-24. 2003..In addition, passive administration of blocking antibodies may be considered as a potential therapeutic strategy for allergic diseases...
Carbohydrate-based particles: a new adjuvant for allergen-specific immunotherapyHans Grönlund
Unit of Clinical Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden
Immunology 107:523-9. 2002..Based on these results, CBP is suggested as a potentially useful adjuvant for specific immunotherapy of IgE-mediated allergies...
Studies on the association between immunoglobulin E autoreactivity and immunoglobulin E-dependent histamine-releasing factorsIlona Kleine Budde
Department of Immunopathology, Sanquin Research at CLB, Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Plesmanlaan 125, Amsterdam, The Netherlands
Immunology 107:243-51. 2002..A 20 000 MW IgE-defined autoantigen cross-reacted with a shrimp allergen. Our results indicate that IgE-reactivity to immunoblotted human protein and IgE-dependent HRF activity are distinct entities that may co-occur in atopic patients...
Different IgE reactivity profiles in birch pollen-sensitive patients from six European populations revealed by recombinant allergens: an imprint of local sensitizationRobert Movérare
Department of Medical Sciences, Respiratory Medicine and Allergology, Uppsala University, Uppsala, Sweden
Int Arch Allergy Immunol 128:325-35. 2002..In this in vitro study, we examined the specific serum IgE binding profiles to individual birch pollen allergens in birch-sensitive patients from six European populations...
Mutants of the major ryegrass pollen allergen, Lol p 5, with reduced IgE-binding capacity: candidates for grass pollen-specific immunotherapyInes Swoboda
Plant Molecular Biology and Biotechnology Laboratory, Institute of Land and Food Resources, The University of Melbourne, Parkville, Australia
Eur J Immunol 32:270-80. 2002..Our results demonstrate that a few point mutations in the Lol p 5 sequence yield mutants with reduced allergenic activity that represent potential vaccine candidates for immunotherapy of grass pollen allergy...
Microarrayed allergen molecules: diagnostic gatekeepers for allergy treatmentReinhard Hiller
VBC-GENOMICS, A-1030 Vienna, Austria
FASEB J 16:414-6. 2002..This method may change established practice in allergy diagnosis, prevention, and therapy. In addition, microarrayed antigens may be applied to the diagnosis of autoimmune and infectious diseases...
Evolution of IgM, IgE and IgG(1-4 )antibody responses in early childhood monitored with recombinant allergen components: implications for class switch mechanismsVerena Niederberger
Department of Otorhinolaryngology, Vienna General Hospital, University of Vienna, Waeringer Guertel 18-20, A-1090 Vienna, Austria
Eur J Immunol 32:576-84. 2002....
Molecular, structural, and immunologic relationships between different families of recombinant calcium-binding pollen allergensRaffaella Tinghino
Department of Immunology, Istituto Superiore di Sanit, Rome
J Allergy Clin Immunol 109:314-20. 2002....
Recombinant carp parvalbumin, the major cross-reactive fish allergen: a tool for diagnosis and therapy of fish allergyInes Swoboda
Institute of Medical and Chemical Laboratory Diagnostics, University of Vienna, Vienna, Austria
J Immunol 168:4576-84. 2002..01. The latter results suggest that it will be possible to develop strategies for immunotherapy for fish allergy that are based on calcium-free hypoallergenic rCyp c 1.01 derivatives...
Recombinant marker allergens: diagnostic gatekeepers for the treatment of allergyLili Kazemi-Shirazi
Division of Gastroenterology and Hepatology, Department of Internal Medicine IV, University of Vienna Medical School, , A-1090 Vienna, Austria
Int Arch Allergy Immunol 127:259-68. 2002..Drawing from those examples, it is suggested how diagnostic tests based on such recombinant marker allergens may be used to improve the choice and monitoring of currently available forms of specific immunotherapy...
The future of antigen-specific immunotherapy of allergyRudolf Valenta
Department of Pathophysiology, University of Vienna Medical School, Vienna General Hospital AKH, Australia
Nat Rev Immunol 2:446-53. 2002..It is proposed that these modified molecules will improve the current practice of specific immunotherapy and form a basis for prophylactic vaccination...
Recombinant allergens promote expression of CD203c on basophils in sensitized individualsAlexander W Hauswirth
Department of Internal Medicine I, Division of Hematology and Hemostaseology, University of Vienna, Vienna, Austria
J Allergy Clin Immunol 110:102-9. 2002....
Synthetic and genetically engineered allergen derivatives for specific immunotherapy of type I allergyRudolf Valenta
Vienna General Hospital (AKH, University of Vienna Medical School, Vienna, Austria
Clin Allergy Immunol 16:495-517. 2002
Transition from a botanical to a molecular classification in tree pollen allergy: implications for diagnosis and therapyNadine Mothes
Center for Physiology and Pathophysiology, Department of Pathophysiology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
Int Arch Allergy Immunol 135:357-73. 2004..Information obtained by diagnostic testing with marker allergens will be important for the appropriate selection of patients for allergen-specific forms of therapy...
Can we genetically engineer safer and more effective immunotherapy reagents?Kerstin Westritschnig
Department of Pathophysiology, Vienna General Hospital, University of Vienna, Austria
Curr Opin Allergy Clin Immunol 3:495-500. 2003..Today the genetic informations for the most common allergens have been obtained. Here we review recombinant allergen-based technologies for the improvement of diagnosis and therapy of allergy...
A hypoallergenic vaccine obtained by tail-to-head restructuring of timothy grass pollen profilin, Phl p 12, for the treatment of cross-sensitization to profilinKerstin Westritschnig
Christian Doppler Laboratory for Allergy Research, Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Vienna, Austria
J Immunol 179:7624-34. 2007..The strategy of tail-to-head reassembly of hypoallergenic allergen fragments within one molecule represents a generally applicable strategy for the generation of allergy vaccines...
Assays for measuring in vitro basophil activation induced by recombinant allergensPeter Valent
Division of Hematology and Hemostaseology, Department of Internal Medicine I, The University of Vienna, Vienna, Austria
Methods 32:265-70. 2004..In the current article, the biochemical, functional, and technical background of these basophil tests is discussed...
Characterization of wild-type recombinant Bet v 1a as a candidate vaccine against birch pollen allergyThierry Batard
, R and D, Antony, France
Int Arch Allergy Immunol 136:239-49. 2005..CONCLUSIONS: On the basis of these structural and biological properties, rBet v 1a is a valid candidate vaccine against birch pollen allergy, currently evaluated in humans...
IFN-gamma-enhanced allergen penetration across respiratory epithelium augments allergic inflammationJürgen Reisinger
Department of Otorhinolaryngology, Medical University of Vienna, Austria
J Allergy Clin Immunol 115:973-81. 2005..Respiratory allergen contact is the critical event in the elicitation and boosting of allergen-specific immune responses, as well as in the induction of immediate and late inflammatory reactions...
A hybrid molecule resembling the epitope spectrum of grass pollen for allergy vaccinationBirgit Linhart
Cenetr of Physiology and Pathophysiology, Department of Pathophysiology, Medical University of Vienna, Austria
J Allergy Clin Immunol 115:1010-6. 2005..CONCLUSION: We demonstrate for grass pollen allergy that recombinant hybrid molecules covering the spectrum of the disease-eliciting epitopes of complex allergen sources can be engineered...
Allergy testing: the role of recombinant allergensNadine Mothes
Zentrum für Physiologie und Pathophysiologie, Institut fur Pathophysiologie, Abteilung Immunpathologie, Medizinische Universität Wien, Vienna, Austria
Clin Chem Lab Med 44:125-32. 2006..Besides their diagnostic application, recombinant allergens and hypoallergenic derivatives thereof have also been used as vaccines in clinical trials, and recent results have shown their usefulness for the treatment of type I allergy...
Generation of an allergy vaccine by disruption of the three-dimensional structure of the cross-reactive calcium-binding allergen, Phl p 7Kerstin Westritschnig
Department of Pathophysiology, Vienna General Hospital, AKH, Medical University of Vienna, Vienna, Austria
J Immunol 172:5684-92. 2004....
Identification of a villin-related tobacco protein as a novel cross-reactive plant allergenIrene Mittermann
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
FEBS Lett 579:3807-13. 2005..They may be used for the diagnosis and treatment of patients suffering from multivalent plant allergies...
Hom s 4, an IgE-reactive autoantigen belonging to a new subfamily of calcium-binding proteins, can induce Th cell type 1-mediated autoreactivityKarl J Aichberger
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
J Immunol 175:1286-94. 2005..It may thus contribute to chronic skin inflammation in atopic as well as in nonatopic persons...
Molecular design of allergy vaccinesBirgit Linhart
Division of Immunopathology, Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
Curr Opin Immunol 17:646-55. 2005....
Gain of structure and IgE epitopes by eukaryotic expression of the major Timothy grass pollen allergen, Phl p 1Tanja Ball
Department of Pathophysiology, Center for Physiology and Pathophysiology, Medical University of Vienna, Austria
FEBS J 272:217-27. 2005..This study emphasizes the important contribution of conformational epitopes for the IgE recognition of respiratory allergens and provides a paradigmatic tool for the structural analysis of the IgE allergen interaction...
