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2. EAACI Molecular Allergology User's Guide 2.0

Author

Dramburg, Stephanie, Hilger, Christiane, Santos, Alexandra F., de las Vecillas, Leticia, Aalberse, Rob C., Acevedo, Nathalie, Aglas, Lorenz, Altmann, Friedrich, Arruda, Karla L., Asero, Riccardo, Ballmer-Weber, Barbara, Barber, Domingo, Beyer, Kirsten, Biedermann, Tilo, Bilo, Maria Beatrice, Blank, Simon, Bosshard, Philipp P, Breiteneder, Heimo, Brough, Helen A., Bublin, Merima, Campbell, Dianne, Caraballo, Luis, Caubet, Jean Christoph, Celi, Giorgio, Chapman, Martin D., Chruszcz, Maksymilian, Custovic, Adnan, Czolk, Rebecca, Davies, Janet, Douladiris, Nikolaos, Eberlein, Bernadette, Ebisawa, Motohiro, Ehlers, Anna, Eigenmann, Philippe, Gadermaier, Gabriele, Giovannini, Mattia, Gomez, Francisca, Grohman, Rebecca, Guillet, Carole, Hafner, Christine, Hamilton, Robert G, Hauser, Michael, Hawranek, Thomas, Hoffmann, Hans Jürgen, Holzhauser, Thomas, Iizuka, Tomona, Jacquet, Alain, Jakob, Thilo, Janssen-Weets, Bente, Jappe, Uta, Jutel, Marek, Kalic, Tanja, Kamath, Sandip, Kespohl, Sabine, Kleine-Tebbe, Jörg, Knol, Edward, Knulst, André, Konradsen, Jon R., Korošec, Peter, Kuehn, Annette, Lack, Gideon, Le, Thuy My, Lopata, Andreas, Luengo, Olga, Mäkelä, Mika, Marra, Alessandro Maria, Mills, Clare, Morisset, Martine, Muraro, Antonella, Nowak-Wegrzyn, Anna, Nugraha, Roni, Ollert, Markus, Palosuo, Kati, Pastorello, Elide Anna, Patil, Sarita Ulhas, Platts-Mills, Thomas, Pomés, Anna, Poncet, Pascal, Potapova, Ekaterina, Poulsen, Lars K., Radauer, Christian, Radulovic, Suzana, Raulf, Monika, Rougé, Pierre, Sastre, Joaquin, Sato, Sakura, Scala, Enrico, Schmid, Johannes M., Schmid-Grendelmeier, Peter, Schrama, Denise, Sénéchal, Hélène, Traidl-Hoffmann, Claudia, Valverde-Monge, Marcela, van Hage, Marianne, van Ree, Ronald, Verhoeckx, Kitty, Vieths, Stefan, Wickman, Magnus, Zakzuk, Josefina, Matricardi, Paolo M, Hoffmann-Sommergruber, Karin, Dramburg, Stephanie, Hilger, Christiane, Santos, Alexandra F., de las Vecillas, Leticia, Aalberse, Rob C., Acevedo, Nathalie, Aglas, Lorenz, Altmann, Friedrich, Arruda, Karla L., Asero, Riccardo, Ballmer-Weber, Barbara, Barber, Domingo, Beyer, Kirsten, Biedermann, Tilo, Bilo, Maria Beatrice, Blank, Simon, Bosshard, Philipp P, Breiteneder, Heimo, Brough, Helen A., Bublin, Merima, Campbell, Dianne, Caraballo, Luis, Caubet, Jean Christoph, Celi, Giorgio, Chapman, Martin D., Chruszcz, Maksymilian, Custovic, Adnan, Czolk, Rebecca, Davies, Janet, Douladiris, Nikolaos, Eberlein, Bernadette, Ebisawa, Motohiro, Ehlers, Anna, Eigenmann, Philippe, Gadermaier, Gabriele, Giovannini, Mattia, Gomez, Francisca, Grohman, Rebecca, Guillet, Carole, Hafner, Christine, Hamilton, Robert G, Hauser, Michael, Hawranek, Thomas, Hoffmann, Hans Jürgen, Holzhauser, Thomas, Iizuka, Tomona, Jacquet, Alain, Jakob, Thilo, Janssen-Weets, Bente, Jappe, Uta, Jutel, Marek, Kalic, Tanja, Kamath, Sandip, Kespohl, Sabine, Kleine-Tebbe, Jörg, Knol, Edward, Knulst, André, Konradsen, Jon R., Korošec, Peter, Kuehn, Annette, Lack, Gideon, Le, Thuy My, Lopata, Andreas, Luengo, Olga, Mäkelä, Mika, Marra, Alessandro Maria, Mills, Clare, Morisset, Martine, Muraro, Antonella, Nowak-Wegrzyn, Anna, Nugraha, Roni, Ollert, Markus, Palosuo, Kati, Pastorello, Elide Anna, Patil, Sarita Ulhas, Platts-Mills, Thomas, Pomés, Anna, Poncet, Pascal, Potapova, Ekaterina, Poulsen, Lars K., Radauer, Christian, Radulovic, Suzana, Raulf, Monika, Rougé, Pierre, Sastre, Joaquin, Sato, Sakura, Scala, Enrico, Schmid, Johannes M., Schmid-Grendelmeier, Peter, Schrama, Denise, Sénéchal, Hélène, Traidl-Hoffmann, Claudia, Valverde-Monge, Marcela, van Hage, Marianne, van Ree, Ronald, Verhoeckx, Kitty, Vieths, Stefan, Wickman, Magnus, Zakzuk, Josefina, Matricardi, Paolo M, and Hoffmann-Sommergruber, Karin

Abstract

Since the discovery of immunoglobulin E (IgE) as a mediator of allergic diseases in 1967, our knowledge about the immunological mechanisms of IgE-mediated allergies has remarkably increased. In addition to understanding the immune response and clinical symptoms, allergy diagnosis and management depend strongly on the precise identification of the elicitors of the IgE-mediated allergic reaction. In the past four decades, innovations in bioscience and technology have facilitated the identification and production of well-defined, highly pure molecules for component-resolved diagnosis (CRD), allowing a personalized diagnosis and management of the allergic disease for individual patients. The first edition of the “EAACI Molecular Allergology User's Guide” (MAUG) in 2016 rapidly became a key reference for clinicians, scientists, and interested readers with a background in allergology, immunology, biology, and medicine. Nevertheless, the field of molecular allergology is moving fast, and after 6 years, a new EAACI Taskforce was established to provide an updated document. The Molecular Allergology User's Guide 2.0 summarizes state-of-the-art information on allergen molecules, their clinical relevance, and their application in diagnostic algorithms for clinical practice. It is designed for both, clinicians and scientists, guiding health care professionals through the overwhelming list of different allergen molecules available for testing. Further, it provides diagnostic algorithms on the clinical relevance of allergenic molecules and gives an overview of their biology, the basic mechanisms of test formats, and the application of tests to measure allergen exposure.

Published
2023

3. EAACI Molecular Allergology User's Guide 2.0

Author

CTI Research, MS Dermatologie/Allergologie, Infection & Immunity, Dramburg, Stephanie, Hilger, Christiane, Santos, Alexandra F, de Las Vecillas, Leticia, Aalberse, Rob C, Acevedo, Nathalie, Aglas, Lorenz, Altmann, Friedrich, Arruda, Karla L, Asero, Riccardo, Ballmer-Weber, Barbara, Barber, Domingo, Beyer, Kirsten, Biedermann, Tilo, Bilo, Maria Beatrice, Blank, Simon, Bosshard, Philipp P, Breiteneder, Heimo, Brough, Helen A, Bublin, Merima, Campbell, Dianne, Caraballo, Luis, Caubet, Jean Christoph, Celi, Giorgio, Chapman, Martin D, Chruszcz, Maksymilian, Custovic, Adnan, Czolk, Rebecca, Davies, Janet, Douladiris, Nikolaos, Eberlein, Bernadette, Ebisawa, Motohiro, Ehlers, Anna, Eigenmann, Philippe, Gadermaier, Gabriele, Giovannini, Mattia, Gomez, Francisca, Grohman, Rebecca, Guillet, Carole, Hafner, Christine, Hamilton, Robert G, Hauser, Michael, Hawranek, Thomas, Hoffmann, Hans Jürgen, Holzhauser, Thomas, Iizuka, Tomona, Jacquet, Alain, Jakob, Thilo, Janssen-Weets, Bente, Jappe, Uta, Jutel, Marek, Kalic, Tanja, Kamath, Sandip, Kespohl, Sabine, Kleine-Tebbe, Jörg, Knol, Edward, Knulst, André, Konradsen, Jon R, Korošec, Peter, Kuehn, Annette, Lack, Gideon, Le, Thuy-My, Lopata, Andreas, Luengo, Olga, Mäkelä, Mika, Marra, Alessandro Maria, Mills, Clare, Morisset, Martine, Muraro, Antonella, Nowak-Wegrzyn, Anna, Nugraha, Roni, Ollert, Markus, Palosuo, Kati, Pastorello, Elide Anna, Patil, Sarita Ulhas, Platts-Mills, Thomas, Pomés, Anna, Poncet, Pascal, Potapova, Ekaterina, Poulsen, Lars K, Radauer, Christian, Radulovic, Suzana, Raulf, Monika, Rougé, Pierre, Sastre, Joaquin, Sato, Sakura, Scala, Enrico, Schmid, Johannes M, Schmid-Grendelmeier, Peter, Schrama, Denise, Sénéchal, Hélène, Traidl-Hoffmann, Claudia, Valverde-Monge, Marcela, van Hage, Marianne, van Ree, Ronald, Verhoeckx, Kitty, Vieths, Stefan, Wickman, Magnus, Zakzuk, Josefina, Matricardi, Paolo M, Hoffmann-Sommergruber, Karin, CTI Research, MS Dermatologie/Allergologie, Infection & Immunity, Dramburg, Stephanie, Hilger, Christiane, Santos, Alexandra F, de Las Vecillas, Leticia, Aalberse, Rob C, Acevedo, Nathalie, Aglas, Lorenz, Altmann, Friedrich, Arruda, Karla L, Asero, Riccardo, Ballmer-Weber, Barbara, Barber, Domingo, Beyer, Kirsten, Biedermann, Tilo, Bilo, Maria Beatrice, Blank, Simon, Bosshard, Philipp P, Breiteneder, Heimo, Brough, Helen A, Bublin, Merima, Campbell, Dianne, Caraballo, Luis, Caubet, Jean Christoph, Celi, Giorgio, Chapman, Martin D, Chruszcz, Maksymilian, Custovic, Adnan, Czolk, Rebecca, Davies, Janet, Douladiris, Nikolaos, Eberlein, Bernadette, Ebisawa, Motohiro, Ehlers, Anna, Eigenmann, Philippe, Gadermaier, Gabriele, Giovannini, Mattia, Gomez, Francisca, Grohman, Rebecca, Guillet, Carole, Hafner, Christine, Hamilton, Robert G, Hauser, Michael, Hawranek, Thomas, Hoffmann, Hans Jürgen, Holzhauser, Thomas, Iizuka, Tomona, Jacquet, Alain, Jakob, Thilo, Janssen-Weets, Bente, Jappe, Uta, Jutel, Marek, Kalic, Tanja, Kamath, Sandip, Kespohl, Sabine, Kleine-Tebbe, Jörg, Knol, Edward, Knulst, André, Konradsen, Jon R, Korošec, Peter, Kuehn, Annette, Lack, Gideon, Le, Thuy-My, Lopata, Andreas, Luengo, Olga, Mäkelä, Mika, Marra, Alessandro Maria, Mills, Clare, Morisset, Martine, Muraro, Antonella, Nowak-Wegrzyn, Anna, Nugraha, Roni, Ollert, Markus, Palosuo, Kati, Pastorello, Elide Anna, Patil, Sarita Ulhas, Platts-Mills, Thomas, Pomés, Anna, Poncet, Pascal, Potapova, Ekaterina, Poulsen, Lars K, Radauer, Christian, Radulovic, Suzana, Raulf, Monika, Rougé, Pierre, Sastre, Joaquin, Sato, Sakura, Scala, Enrico, Schmid, Johannes M, Schmid-Grendelmeier, Peter, Schrama, Denise, Sénéchal, Hélène, Traidl-Hoffmann, Claudia, Valverde-Monge, Marcela, van Hage, Marianne, van Ree, Ronald, Verhoeckx, Kitty, Vieths, Stefan, Wickman, Magnus, Zakzuk, Josefina, Matricardi, Paolo M, and Hoffmann-Sommergruber, Karin

Published
2023

5. Lower allergen levels in hypoallergenic Curly Horses?

Author

Zahradnik, Eva (Dipl.), Janssen-Weets, Bente (M.Sc.), Sander, Ingrid (Dr. phil.), Kendzia, Benjamin (Dipl.), Mitlehner, Wolfgang, May, Caroline (Dr.), and Raulf, Monika (Apl. Prof. Dr. rer. nat.)

Abstract

\(\textbf {Background:}\) Exposure to horses can cause severe allergic reactions in sensitized individuals. The breed, American Bashkir Curly Horse is categorized as hypoallergenic, primarily due to reports of allergic patients experiencing fewer symptoms while handling this special breed. The possible reasons for this phenomenon could be lower allergen production and/or reduced allergen release into the air because of increased sebum content in their skin and hair compared to other breeds. Therefore, the aim of the current study was to compare different horse breeds in relation to allergen content in hair and airborne dust samples. \(\textbf {Methods:}\) In total, 224 hair samples from 32 different horse breeds were investigated. Personal nasal filters were used to collect airborne dust during the grooming of 20 Curly Horses and 20 Quarter Horses. Quantitative analysis of all samples was performed using two newly developed immunoassays for the detection of horse dander (HD) antigens and the major allergen Equ c 1 and the commercial assay for Equ c 4. Results were analyzed using multiple linear regression models for hair samples and the Mann Whitney U test for airborne samples. \(\textbf {Results:}\) Horse antigen and allergen levels differed up to four orders of magnitude between individual animals. Despite enormous variability, levels of HD antigen, Equ c 1 and Equ c 4 in hair were significantly related to the breed and gender combined with the castration status of male animals. Curly Horses had significantly higher concentrations of all three tested parameters compared to the majority of the investigated breeds (medians: 11800 \(\mu\)g/g for HD antigen, 2400 \(\mu\)g/g for Equ c 1, and 258 kU/g for Equ c 4). Tinker Horses, Icelandic Horses and Shetland Ponies were associated with approximately 7-fold reduced levels of HD antigen and Equ c 1, and up to 25-fold reduced levels of Equ c 4 compared to Curly Horses. Compared to mares, stallions displayed increased concentrations of HD antigens, Equ c 1 and Equ c 4 by a factor 2.2, 3.5 and 6.7, respectively. No difference was observed between mares and geldings. No differences in airborne allergen concentrations collected with personal nasal filters during grooming were found between Curly and Quarter Horses. \(\textbf {Conclusion:}\) Breed and castration status had a significant influence on the antigen and allergen levels of horse hair. However, these differences were smaller than the wide variability observed among individual horses. Compared to other breeds, Curly Horses were not associated with lower allergen levels in hair and in air samples collected during grooming. Our approach provides no molecular explanation why Curly Horses are considered to be hypoallergenic.

Published
2018

8. Hypoallergenic animals: A promise of hope for allergic patients?

Author

Hilger C, Janssen-Weets B, and Swiontek K

Abstract

Furry pets are beloved companion animals; horse riding is a popular leisure activity. So-called hypoallergenic animals have gained high interest as sensitization to animal dander and allergy to furry animals are widespread. Allergen immunotherapy to furry animals is still limited, and allergen avoidance in addition to symptomatic pharmaceutical treatment is often the only available option. Patients with an existing allergy to furry animals or with an atopic background are seeking for a hypoallergenic alternative. This review summarizes current knowledge and discusses future strategies., Competing Interests: The authors declare no conflict of interest. Table 1.Furry-pet allergens recognized by the WHO/IUIS Allergen Nomenclature Sub-Committee. Allergen sourceBiochemical familyAllergenCat Felis domesticusSecretoglobinFel d 1LipocalinFel d 4, Fel d 7Serum albuminFel d 2CystatinFel d 3ImmunoglobulinFel d 5, Fel d 6LatherinFel d 8Dog Canis familiarisLipocalinCan f 1, Can f 2, Can f 4, Can f 6Serum albuminCan f 3KallikreinCan f 5Niemann Pick type C2Can f 7CystatinCan f 8Guinea-pig Cavia porcellusLipocalinCav p 1, Cav p 2, Cav p 3, Cav p 6,Serum albuminCav p 4Horse Equus caballusLipocalinEqu c 1, Equ c 2Serum albuminEqu c 3LatherinEqu c 4LysozymeEqu c 6Hamster (Golden) Mesocricetus auratusLipocalinMes a 1Hamster (Siberian) Phodopus sungorusLipocalinPhod s 1Mouse Mus musculusLipocalinMus m 1Rabbit Oryctolagus cuniculusLipocalinOry c 1, Ory c 2, Ory c 4SecretoglobinOry c 3Rat Rattus norvegicusLipocalinRat n 1 Figure 1.Specific IgE to horse dander was measured by ELISA in 10 patient sera and reveals no significant differences between breeds or gender. Box is delimited by interquartile range, separated by median line; whiskers extend from minimum to maximum values., (© Dustri-Verlag Dr. K. Feistle.)

Published
2024
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