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Tesari Crnković H, Bendelja K, Drkulec V, Gjergja Juraški R, Turkalj M. Respiratory Syncytial Virus-Specific Antibodies and Atopic Diseases in Children: A 10-Year Follow-Up. Pathogens 2023; 12:pathogens12040546. [PMID: 37111432 PMCID: PMC10142345 DOI: 10.3390/pathogens12040546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
Background: Respiratory syncytial virus (RSV) stimulates the production of specific immunoglobulin (Ig) E and IgG4 antibodies as a hallmark of the Th2 immune response. In this paper, we evaluated the occurrence of atopic diseases in 10-year-old children who were positive for RSV-specific IgG antibodies during infancy. Methods: The prospective follow-up of 72 children included a physical examination, an International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire and the determination of RSV-specific antibodies and total and allergen-specific IgE. Results: Children with asthma had their first wheezing episode at a younger age (χ2 8.097, df = 1, p = 0.004). RSV-specific IgG4 levels at year one were positively correlated with atopic dermatitis (AD) (tau_b = 0.211, p = 0.049) and current AD (tau_b = 0.269, p = 0.012); and RSV-specific IgE levels were positively correlated with allergic rhinitis (AR) (tau_b = 0.290, p = 0.012) and current AR (tau_b = 0.260, p = 0.025). Positive RSV-specific IgE at the age of one increased the chances of asthma occurrence by 5.94 (OR = 5.94, 95% CI = 1.05–33.64; p = 0.044) and the chances of AR by more than 15 times (OR = 15.03, 95% CI = 2.08–108.72; p = 0.007). A positive family history of atopy increased the chances of asthma occurrence by 5.49 times (OR = 5.49, 95% CI = 1.01–30.07; p = 0.049), and a longer duration of exclusive breastfeeding lowered that chance (OR = 0.63, 95% CI = 0.45–0.89; p = 0.008). Prenatal smoking increased the chances of AR occurrence by 7.63 times (OR = 7.63, 95% CI = 1.59–36.53; p = 0.011). Conclusion: RSV-specific IgE and RSV-specific IgG4 antibodies could be risk markers for the development of atopic diseases in children.
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Affiliation(s)
- Helena Tesari Crnković
- Department of Paediatrics, General County Hospital Požega, Osječka 107, 34000 Požega, Croatia
- Faculty of Medicine, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
| | - Krešo Bendelja
- Center for Research and Knowledge Transfer in Biotechnology, University of Zagreb, Rockefeller Street 10, 10000 Zagreb, Croatia
| | - Vlado Drkulec
- Department of Paediatrics, General County Hospital Požega, Osječka 107, 34000 Požega, Croatia
| | - Romana Gjergja Juraški
- Faculty of Medicine, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Neuropaediatric Department, Srebrnjak Children’s Hospital, Srebrnjak 100, 10000 Zagreb, Croatia
| | - Mirjana Turkalj
- Faculty of Medicine, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Department of Pulmonology and Allergology, Srebrnjak Children’s Hospital, Srebrnjak 100, 10000 Zagreb, Croatia
- School of Medicine, Catholic University of Croatia, Ilica 242, 10000 Zagreb, Croatia
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Kumar R, Gaur S, Agarwal M, Menon B, Goel N, Mrigpuri P, Spalgais S, Priya A, Kumar K, Meena R, Sankararaman N, Verma A, Gupta V, Sonal, Prakash A, Safwan MA, Behera D, Singh A, Arora N, Prasad R, Padukudru M, Kant S, Janmeja A, Mohan A, Jain V, Nagendra Prasad K, Nagaraju K, Goyal M. Indian Guidelines for diagnosis of respiratory allergy. INDIAN JOURNAL OF ALLERGY, ASTHMA AND IMMUNOLOGY 2023. [DOI: 10.4103/0972-6691.367373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Al Hawi Y, Nagao M, Furuya K, Sato Y, Ito S, Hori H, Hirayama M, Fujisawa T. Agreement Between Predictive, Allergen-Specific IgE Values Assessed by ImmunoCAP and IMMULITE 2000 3gAllergy™ Assay Systems for Milk and Wheat Allergies. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2021; 13:141-153. [PMID: 33191682 PMCID: PMC7680830 DOI: 10.4168/aair.2021.13.1.141] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 05/29/2020] [Accepted: 06/16/2020] [Indexed: 12/05/2022]
Abstract
Purpose ImmunoCAP® (ImmunoCAP) and IMMULITE® 2000 3gAllergy™ (3gAllergy) systems are major quantitative allergen-specific immunoglobulin E (sIgE) assay methods. Due to the heterogeneous nature of allergenic extracts and differences in the assay format, quantitation of allergen-sIgEs is not expected to correlate well between different methods. However, we have recently reported good agreement between the methods in the diagnosis of egg allergy. This study aimed to determine and correlate the predictive values of sIgE by the two systems in the diagnosis of milk and wheat allergies. Methods Children who had undergone oral food challenge (OFC) for the diagnosis of milk and wheat allergies were enrolled. The OFCs were performed to diagnose either true allergy in the 1-year-old group (A) or tolerance in the 2- to 6-year-old group (B). Milk, casein and β-lactoglobulin, and wheat and ω-5 gliadin sIgE values were measured using the 2 systems. The predictive accuracy of each sIgE for the OFC outcome was assessed using receiver operating characteristic (ROC) curves. The probability of a positive OFC outcome was estimated by logistic regression analysis. Results A total of 395 patients were recruited from 7 primary care clinics and 19 hospitals in Japan. Milk and wheat OFCs were performed for 87 and 102 group A patients, and 124 and 82 group B patients, respectively. ROC analysis yielded similar areas under the curve for the 2 assays (0.7–0.9). The log-transformed sIgE data showed a strong linear correlation with the estimated probabilities (R > 0.9). Conclusions The 2 systems may be interchangeable for diagnosis of milk and wheat allergies in young children.
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Affiliation(s)
- Yasmeen Al Hawi
- Allergy Center and Institute for Clinical Research, National Hospital Organization Mie National Hospital, Tsu, Japan.,Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan.,Cairo University School of Medicine, Cairo, Egypt
| | - Mizuho Nagao
- Allergy Center and Institute for Clinical Research, National Hospital Organization Mie National Hospital, Tsu, Japan.,Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Kanae Furuya
- Allergy Center and Institute for Clinical Research, National Hospital Organization Mie National Hospital, Tsu, Japan.,Aichi Konan College, Konan, Japan
| | - Yasunori Sato
- Department of Preventive Medicine and Public Health, Keio University School of Medicine, Tokyo, Japan
| | - Setsuko Ito
- Department of Food Science and Nutrition, Faculty of Human Life and Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Hiroki Hori
- Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Masahiro Hirayama
- Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Takao Fujisawa
- Allergy Center and Institute for Clinical Research, National Hospital Organization Mie National Hospital, Tsu, Japan.,Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan.
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Casas ML, Esteban Á, González-Muñoz M, Labrador-Horrillo M, Pascal M, Teniente-Serra A. Proyecto VALIDA: Validation of ALlergy In vitro Diagnostics Assays (Herramientas y recomendaciones para la valoración de las pruebas in vitro en el diagnóstico de la alergia). ADVANCES IN LABORATORY MEDICINE 2020; 1:20200022. [PMCID: PMC10197503 DOI: 10.1515/almed-2020-0022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/05/2020] [Indexed: 08/29/2023]
Abstract
En la evaluación del paciente con sospecha de alergia las pruebas de detección y cuantificación de la inmunoglobulina E (IgE) específica in vitro se usan de manera habitual en los laboratorios clínicos para ayudar en el diagnóstico de la alergia. Actualmente existen diferentes alternativas comerciales para realizar estos ensayos, pero los resultados obtenidos por cada uno de ellos pueden variar, lo que condiciona el diagnóstico y el tratamiento que se le proporcionará al paciente. Con el fin de dar respuesta a los retos planteados por las diferencias entre las distintas técnicas para la determinación in vitro de la IgE específica, un grupo de expertos ha recogido en un documento una serie de recomendaciones sobre las implicaciones que puede tener el uso de una determinada técnica in vitro y el impacto en el manejo del paciente alérgico que suponen las diferencias entre las distintas técnicas. La lectura y el análisis de este documento de consenso ayudarán a entender las implicaciones que tiene el cambio de método de diagnóstico in vitro en el manejo del paciente con alergia, en su calidad de vida y en los costes socioeconómicos asociados a la enfermedad.
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Affiliation(s)
- María L. Casas
- Sociedad Española de Medicina de Laboratorio (SEQC-ML), Barcelona, España
- Servicio de Análisis Clínicos, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - Ángel Esteban
- Sociedad Española de Medicina de Laboratorio (SEQC-ML), Barcelona, España
- Servicio de Análisis Clínicos, Hospital General Universitario de Alicante, Alicante, España
| | - Miguel González-Muñoz
- Sociedad Española de Inmunología (SEI), Barcelona, España
- Servicio de Inmunología, Hospital Universitario La Paz, Madrid, España
| | - Moisés Labrador-Horrillo
- Sociedad Española de Alergología e Inmunología Clínica (SEAIC), Madrid, España
- Servicio de Alergología, Hospital Universitari Vall d’Hebron, Barcelona, España
| | - Mariona Pascal
- Servicio de Alergología, Hospital Universitari Vall d’Hebron, Barcelona, España
- Servicio de Inmunología, CDB, Hospital Clínic de Barcelona, IDIBAPS, Universitat de Barcelona, Barcelona, España
- Red de Investigación ARADyAL, Instituto Carlos III, Madrid, España
| | - Aina Teniente-Serra
- Sociedad Española de Inmunología (SEI), Barcelona, España
- Servicio de Inmunología, LCMN, Hospital Universitari Germans Trias i Pujol, Badalona, España
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Casas ML, Esteban Á, González-Muñoz M, Labrador-Horrillo M, Pascal M, Teniente-Serra A. VALIDA project: Validation of allergy in vitro diagnostics assays (Tools and recommendations for the assessment of in vitro tests in the diagnosis of allergy). ADVANCES IN LABORATORY MEDICINE 2020; 1:20200051. [PMID: 37360620 PMCID: PMC10197418 DOI: 10.1515/almed-2020-0051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/05/2020] [Indexed: 06/28/2023]
Abstract
In vitro allergen-specific immunoglobulin E (IgE) detection and quantification tests are routinely performed in clinical laboratories to diagnose patients with a suspected allergy. Numerous commercial assays are available to test for allergies, but the results can vary widely, thereby influencing both diagnosis and treatment. Given the challenges posed by differences in the various assays for in vitro determination of specific IgE, a group of experts has compiled in a document a series of recommendations on the implications that the use of a certain in vitro technique may have and the impact on the management of the allergic patient that the differences between the various techniques represent. The reading and analysis of this consensus document will help to understand the implications of the change of in vitro diagnostic method in the management of the patient with allergy, in the quality of life and in the socioeconomic costs associated with the disease.
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Affiliation(s)
- María L. Casas
- Clinical Analysis Service, Fundación Alcorcón University Hospital, Alcorcón, Madrid, Spain
- Spanish Society of Laboratory Medicine (SEQC-ML), Barcelona, Spain
| | - Ángel Esteban
- Spanish Society of Laboratory Medicine (SEQC-ML), Barcelona, Spain
- Clinical Analysis Service, University General Hospital of Alicante, Alicante, Spain
| | - Miguel González-Muñoz
- Immunology Service, La Paz University Hospital, Madrid, Spain
- Spanish Society of Immunology (SEI), Barcelona, Spain
| | - Moisés Labrador-Horrillo
- Allergology Service, Vall d’Hebron University Hospital, Barcelona, Spain
- Spanish Society of Allergology and Clinical Immunology (SEAIC), Madrid, Spain
| | - Mariona Pascal
- Spanish Society of Immunology (SEI), Barcelona, Spain
- Spanish Society of Allergology and Clinical Immunology (SEAIC), Madrid, Spain
- Immunology Service, CBD, Hospital Clínic de Barcelona, IDIBAPS, Universitat de Barcelona, Barcelona, Spain
- ARADyAL Research Network, Carlos III Institute, Madrid, Spain
| | - Aina Teniente-Serra
- Spanish Society of Immunology (SEI), Barcelona, Spain
- Immunology Service, LCMN, Germans Trias i Pujol University Hospital, Badalona, Spain
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Pru p 9, a new allergen eliciting respiratory symptoms in subjects sensitized to peach tree pollen. PLoS One 2020; 15:e0230010. [PMID: 32191737 PMCID: PMC7082028 DOI: 10.1371/journal.pone.0230010] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 02/19/2020] [Indexed: 11/26/2022] Open
Abstract
Peach tree (PT) pollen sensitization is highly prevalent in subjects living in areas where this tree is widely cultivated. None of the allergens responsible for these sensitizations have been identified so far. Our aim was to identify the most relevant PT pollen allergens and analyze their capacity for inducing respiratory symptoms. We studied sixty-two individuals sensitized to PT pollen who developed symptoms after its exposure. The IgE binding profile on peach pollen extract by means of immunoblotting using sera from these subjects was analyzed. Protein extract was fractionated by anion-exchange chromatography and HPLC, fractions run in SDS-PAGE and proteins were identified from IgE-binding bands by mass spectrometry. Several allergenic proteins in the PT pollen extract were recognized by patients’ IgE: a glucan endo-1,3-beta-glucosidase-like, a polygalacturonase, an UTP-glucose-1-phosphate uridylyltransferase and a PR-1a protein. This PR-1a protein is a novel allergen frequently recognized with a molecular mass of 18 kDa, named as Pru p 9 following the WHO-IUIS nomenclature. Skin Prick Test (SPT) performed with this allergen was positive in 41% of the PT pollen-sensitized clinical cases. Most of them had rhinitis or rhinoconjunctivitis, but a significant percentage experienced asthma with seasonal symptoms during the period of PT flowering. Nasal Provocation test (NPT) with Pru p 9 was positive in all cases with positive SPT to this new allergen eliciting nasal symptoms similar to those challenged with PT pollen. We demonstrate that PT pollen can induce sensitization and allergy in an exposed population, being Pru p 9 a relevant allergen responsible of respiratory symptoms. Considering the extensive peach worldwide production with a large number of people involved, our results add a great value for the diagnosis and management of subjects allergic to this pollen.
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Third-party verification of total and specific immunoglobulin E on analyzer Immulite® 2000XPi. Clin Chim Acta 2020; 500:28-33. [DOI: 10.1016/j.cca.2019.09.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 09/12/2019] [Accepted: 09/29/2019] [Indexed: 12/27/2022]
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Yang J, Lee H, Choi AR, Park KH, Ryu JH, Oh EJ. Comparison of allergen-specific IgE levels between Immulite 2000 and ImmunoCAP systems against six inhalant allergens and ten food allergens. Scandinavian Journal of Clinical and Laboratory Investigation 2018; 78:606-612. [PMID: 30375892 DOI: 10.1080/00365513.2018.1528506] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
In vitro allergen-specific immunoglobulin E (sIgE) measurement has been used as an important diagnostic tool for allergic diseases. Currently, quantitative sIgE levels are detected mainly by using ImmunoCAP and Immulite 2000 assay system. These two systems have the same calibration scale at 0-100 kUA/L, but they differ in used allergens, detection methods and automation systems. We compared 1600 paired sIgE results for 204 allergic patients, including 100 paired sIgE assay results for each of 16 allergens (Alternaria alternata, birch-alder mix, cat dander, D. farinae, D. pteronyssinus, dog dander, buckwheat, crab, egg white, mackerel, milk, peach, peanut, shrimp, soybean and wheat flour). Inter-method comparison was performed for qualitative data with a cutoff of 0.35 kUA/L and a detection limit of 0.1 kUA/L, semi-quantitative class results and quantitative data. In qualitative comparisons, the overall concordance rate ranged from 81.0% to 99.0% (k: 0.599-0.949) with the cutoff value of 0.35 kUA/L. It also ranged from 80.0% to 99.0% (k: 0.521-0.951) with the detection limit of 0.1 kUA/L. The class results from these two assays showed good agreements for all allergens. For quantitative sIgE results, these two assays showed moderate positive correlations for Dog dander (r = 0.683) and Mackerel (r = 0.573) but high to very high correlations for the other 14 allergens (r = 0.734-0.972). Immulite 2000 and ImmunoCAP assays demonstrated good concordance and correlation for 16 common allergens, but international standards against each specific allergen for calibration and harmonization of sIgE tests are still needed.
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Affiliation(s)
- Jinyoung Yang
- a Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine , The Catholic University of Korea , Seoul , Korea
| | - Hyeyoung Lee
- b Department of Laboratory Medicine, International St. Mary's Hospital, College of Medicine , Catholic Kwandong University , Incheon , Korea
| | - Ae Ran Choi
- a Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine , The Catholic University of Korea , Seoul , Korea
| | - Ki Hyun Park
- a Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine , The Catholic University of Korea , Seoul , Korea.,c Department of Biomedicine & Health Sciences College of Medicine , The Catholic University of Korea , Seoul , Korea
| | - Ji Hyeong Ryu
- a Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine , The Catholic University of Korea , Seoul , Korea.,c Department of Biomedicine & Health Sciences College of Medicine , The Catholic University of Korea , Seoul , Korea
| | - Eun-Jee Oh
- a Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine , The Catholic University of Korea , Seoul , Korea
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Bian Y, Liu C, She T, Wang M, Yan J, Wei D, Li H. Development of a light-initiated chemiluminescent assay for the quantitation of sIgE against egg white allergens based on component-resolved diagnosis. Anal Bioanal Chem 2017; 410:1501-1510. [DOI: 10.1007/s00216-017-0791-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/24/2017] [Accepted: 11/28/2017] [Indexed: 10/18/2022]
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Ferastraoaru D, Shtessel M, Lobell E, Hudes G, Rosenstreich D, de Vos G. Diagnosing environmental allergies: Comparison of skin-prick, intradermal, and serum specific immunoglobulin E testing. ALLERGY & RHINOLOGY 2017; 8:53-62. [PMID: 28583228 PMCID: PMC5468757 DOI: 10.2500/ar.2017.8.0194] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Background: Allergists commonly perform intradermal skin testing (IDST) after negative skin-prick testing (SPT) to comprehensively diagnose environmental allergic sensitization. However, with the availability of modern methods to detect serum-specific immunoglobulin E (ssIgE), it is unclear if ssIgE testing could substitute for IDST. Objective: To determine the efficacy of ssIgE testing and IDST when added to SPT in diagnosing environmental allergic sensitizations. Methods: SPT, IDST, and ssIgE testing to nine common environmental allergens were analyzed in 75 patients with oculonasal symptoms who presented to our allergy clinics in the Bronx, New York, between January 2014 and May 2015. Results: A total of 651 SPT and 499 ssIgE tests were independently performed and revealed 162 (25%) and 127 (25%) sensitizations, respectively. When SPT results were negative, IDST results revealed 108 of 452 additional sensitizations (24%). In contrast, when SPT results were negative, ssIgE test results only revealed 9% additional sensitizations. When both SPT and IDST results were negative, ssIgE testing only detected 3% of additional sensitizations, and ssIgE levels were typically low in these cases (median, 1.25 kU/L; range, 0.357–4.47 kU/L). When both SPT and ssIgE test results were negative, IDST results detected 15% additional sensitizations. Conclusion: IDST detected more additional environmental sensitizations compared with ssIgE testing. IDST, therefore, may be useful when the SPT and/or ssIgE testing results were negative, but the exposure history indicated relevant allergic sensitization. Serology added only a little more information if both SPT and IDST results were negative but may be useful in combination with SPT if IDST cannot be performed.
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Affiliation(s)
- Denisa Ferastraoaru
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Maria Shtessel
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Elizabeth Lobell
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Golda Hudes
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - David Rosenstreich
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Gabriele de Vos
- From the Internal Medicine/Allergy-Immunology Department, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
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