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Engelmaier A, Butterweck HA, Weber A. Stability assessment of anti-bacterial antibodies in immunoglobulin G-depleted serum with validated immunoassays. Immunotherapy 2023; 15:1459-1476. [PMID: 37753548 DOI: 10.2217/imt-2023-0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023] Open
Abstract
Aim: To investigate the stability of the anti-pneumococcal (PCP) and anti-haemophilus type B (Hib) immunoglobulins (IgGs) in human IgG-depleted serum samples frozen at -20°C. Materials & methods: Modified commercially available immunoassays (ELISAs) were bioanalytically validated. These ELISAs were used to measure levels of the two anti-bacterial IgG in samples kept at -20°C for up to 15 months. Human IgG-depleted serum was spiked with GAMMAGARD Liquid to obtain those samples. Results: Both ELISAs passed the validation test. Anti-PCP IgG and anti-Hib IgG were shown to be stable for at least 15 months at -20°C. Conclusion: These data confirm the stability of anti-bacterial IgG in human IgG-depleted serum and support the common practice of testing frozen samples.
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Affiliation(s)
- Andrea Engelmaier
- Baxalta Innovations GmbH, part of Takeda, Pharmaceutical Science, Vienna A-1220, Austria
| | - Harald A Butterweck
- Baxalta Innovations GmbH, part of Takeda, Plasma Derived Therapies R&D, Vienna A-1220, Austria
| | - Alfred Weber
- Baxalta Innovations GmbH, part of Takeda, Plasma Derived Therapies R&D, Vienna A-1220, Austria
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2
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Hlongwa L, Peter J, Mayne E. Value of diagnostic vaccination in diagnosis of humoral inborn errors of immunity. Hum Immunol 2023:S0198-8859(23)00066-6. [PMID: 37080873 DOI: 10.1016/j.humimm.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 04/11/2023] [Accepted: 04/11/2023] [Indexed: 04/22/2023]
Abstract
Inborn errors of immunity (IEIs) or primary immunodeficiency diseases, are disorders caused by genetic defects affecting immune function. Clinically, IEI presents mainly as recurrent or severe infections, immune dysregulation (autoimmunity or autoinflammatory disorders), and lymphoproliferation with or without dysmorphic features. Humoral IEIs are the largest subgroup of IEI, with a wide spectrum of quantitative and qualitative antibody defects. These disorders are normally diagnosed based on immunological evaluation; diagnostic vaccination is part of this evaluation. This review examines the importance and relevance of diagnostic vaccination in the diagnosis of humoral IEIs and different technologies which can be utilised in diagnosis.
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Affiliation(s)
- Luyanda Hlongwa
- Division of Immunology, Department of Pathology, Faculty of Health Science, University of Cape Town, South Africa
| | - Jonathan Peter
- Division of Allergology and Clinical Immunology, Groote Schuur Hospital, University of Cape Town, South Africa
| | - Elizabeth Mayne
- Division of Immunology, Department of Pathology, Faculty of Health Science, University of Cape Town, South Africa; Division of Immunology, National Health Laboratory Service, South Africa.
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3
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Stabler S, Lamblin C, Gaillard S, Just N, Mihailescu M, Viget N, Sy Ndiaye T, Dzeing Ella A, Brunin G, Weyrich P, Prevotat A, Chenivesse C, Le Rouzic O, Mortuaire G, Vuotto F, Faure K, Leurs A, Wallet F, Loiez C, Titecat M, Le Guern R, Hachulla E, Sanges S, Etienne N, Terriou L, Launay D, Lopez B, Bahuaud M, Batteux F, Dubucquoi S, Gesquière-Lasselin C, Labalette M, Lefèvre G. High Frequency of Specific Polysaccharide Antibody Deficiency in Adults With Unexplained, Recurrent and/or Severe Infections With Encapsulated Bacteria. Clin Infect Dis 2023; 76:800-808. [PMID: 36285530 DOI: 10.1093/cid/ciac842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/08/2022] [Accepted: 10/20/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Primary immunodeficiencies (PIDs) in adults are mainly revealed by recurrent and/or severe bacterial infections. The objective of this study was to evaluate a systematic research strategy of PIDs in adults with unexplained bacterial infections, with a special focus on specific polysaccharide antibody deficiency (SPAD). METHODS In this prospective multicenter study, inclusion criteria were recurrent benign upper and lower respiratory tract infections (RTIs) for at least two years (group 1), at least one upper or lower RTI requiring hospitalization (group 2), and/or at least one invasive infection documented with encapsulated bacteria (group 3). Main exclusion criteria were all local and general conditions that could explain infections. If no PID diagnosis was made, response to polysaccharide antigens was assessed using a pneumococcal polysaccharide vaccine. RESULTS From March 2015 to March 2020, 118 patients were included (37 males, median age of 41 years): 73, 17, and 28 in groups 1, 2, and 3, respectively. Forty-seven PIDs were diagnosed, giving an estimated frequency of 39.8% (95% confidence interval [CI] [30.4, 48.8]). SPAD was the most frequent diagnosis by far (n = 37/47, 78.7%), and was made in 23, 5, and 9 patients from groups 1 to 3, respectively. All SPAD patients received conjugate vaccines and, according to their infectious history, were on surveillance or treated with preventive antibiotics (n = 6) and/or with immunoglobulins replacement therapy (n = 10), the latter being dramatically efficient in all cases. CONCLUSIONS Considering its high prevalence among adults with unexplained recurrent and/or severe bacterial infections, SPAD should be screened in those patients. CLINICAL TRIALS REGISTRATION NCT02972281.
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Affiliation(s)
- Sarah Stabler
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
- Département de maladies infectieuses et tropicales, CHU Lille, Lille, France
- Université Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, Lille, France
| | - Catherine Lamblin
- Département de pneumologie, Hôpital privé La Louvière, Lille, France
| | - Sacha Gaillard
- Département de pneumologie, Clinique Tessier, Valenciennes, France
| | - Nicolas Just
- Département de pneumologie, CH Roubaix, Roubaix, France
| | | | - Nathalie Viget
- Département de maladies infectieuses et tropicales, CH Tourcoing, Tourcoing, France
| | - Thierno Sy Ndiaye
- Département de médecine interne, CH d'Armentières, Armentières, France
| | - Arnaud Dzeing Ella
- Département de maladies infectieuses et tropicales, médecine interne et polyvalente, CH Denain, Denain, France
| | - Guillaume Brunin
- Département de réanimation, CH Boulogne, Boulogne Sur Mer, France
| | - Pierre Weyrich
- Département de maladies infectieuses, Groupement Hospitalier de l'Institut Catholique de Lille, Lille, France
| | - Anne Prevotat
- Département de pneumologie, CHU Lille, Lille, France
| | | | - Olivier Le Rouzic
- Université Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, Lille, France
- Département de pneumologie, CHU Lille, Lille, France
| | | | - Fanny Vuotto
- Département de maladies infectieuses et tropicales, CHU Lille, Lille, France
| | - Karine Faure
- Département de maladies infectieuses et tropicales, CHU Lille, Lille, France
- Université Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, Lille, France
| | - Amélie Leurs
- Département de médecine interne et maladies infectieuses, CH Dunkerque, Dunkerque, France
| | | | | | - Marie Titecat
- Laboratoire de Bactériologie, CHU Lille, Lille, France
- Université de Lille, U1286 INFINITE, Institut de recherche translationnelle sur l'inflammation, Lille, France
| | - Rémi Le Guern
- Université Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, Lille, France
- Laboratoire de Bactériologie, CHU Lille, Lille, France
| | - Eric Hachulla
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
| | - Sébastien Sanges
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
| | - Nicolas Etienne
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
| | - Louis Terriou
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
| | - David Launay
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
- Université de Lille, U1286 INFINITE, Institut de recherche translationnelle sur l'inflammation, Lille, France
| | | | - Mathilde Bahuaud
- Laboratoire d'immunologie, CHU Cochin-Hôtel Dieu-Broca, Paris, France
| | - Frédéric Batteux
- Laboratoire d'immunologie, CHU Cochin-Hôtel Dieu-Broca, Paris, France
| | - Sylvain Dubucquoi
- Université de Lille, U1286 INFINITE, Institut de recherche translationnelle sur l'inflammation, Lille, France
- Institut d'Immunologie, CHU Lille, Lille, France
| | | | - Myriam Labalette
- Université de Lille, U1286 INFINITE, Institut de recherche translationnelle sur l'inflammation, Lille, France
- Institut d'Immunologie, CHU Lille, Lille, France
| | - Guillaume Lefèvre
- Département de médecine interne et immunologie clinique, CHU Lille, Lille, France
- Centre de Référence des Maladies Auto-immunes et Systémiques Rares du Nord et Nord-Ouest de France (CeRAINO), Lille, France
- Université de Lille, U1286 INFINITE, Institut de recherche translationnelle sur l'inflammation, Lille, France
- Institut d'Immunologie, CHU Lille, Lille, France
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4
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Peterson LK. Application of vaccine response in the evaluation of patients with suspected B-cell immunodeficiency: Assessment of responses and challenges with interpretation. J Immunol Methods 2022; 510:113350. [PMID: 36067869 DOI: 10.1016/j.jim.2022.113350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/01/2022] [Accepted: 08/30/2022] [Indexed: 12/31/2022]
Abstract
Diagnostic vaccination is an integral component in the evaluation of patients suspected to have a B cell or humoral deficiency. Evaluation of antibody production in response to both protein- and polysaccharide-based vaccines aids in distinguishing between specific categories of humoral deficiency. Although assessment of pneumococcal polysaccharide responses is widely available and included in diagnostic guidelines, significant variability still exists in the measurement and interpretation of these responses. Interpretation can also be complicated by age, vaccination history and treatment with immunoglobulin replacement therapy. Despite the challenges and limitations of evaluating pneumococcal polysaccharide vaccine responses, it can provide valuable diagnostic and prognostic information to guide therapeutic intervention. Future efforts are needed to further standardize measurement and interpretation of pneumococcal antibody responses to vaccination and to identify and establish other methods and/or vaccines as alternatives to pneumococcal vaccination to address the challenges in certain patient populations.
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Affiliation(s)
- Lisa K Peterson
- Department of Pathology, University of Utah, 15 N Medical Dr. East Ste. 1100, Salt Lake City, UT 84112, USA; ARUP Institute for Clinical and Experimental Pathology, 500 Chipeta Way, Salt Lake City, UT 84108, USA.
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5
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Perazzio SF, Palmeira P, Moraes-Vasconcelos D, Rangel-Santos A, de Oliveira JB, Andrade LEC, Carneiro-Sampaio M. A Critical Review on the Standardization and Quality Assessment of Nonfunctional Laboratory Tests Frequently Used to Identify Inborn Errors of Immunity. Front Immunol 2021; 12:721289. [PMID: 34858394 PMCID: PMC8630704 DOI: 10.3389/fimmu.2021.721289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 10/05/2021] [Indexed: 12/24/2022] Open
Abstract
Inborn errors of immunity (IEI), which were previously termed primary immunodeficiency diseases, represent a large and growing heterogeneous group of diseases that are mostly monogenic. In addition to increased susceptibility to infections, other clinical phenotypes have recently been associated with IEI, such as autoimmune disorders, severe allergies, autoinflammatory disorders, benign lymphoproliferative diseases, and malignant manifestations. The IUIS 2019 classification comprises 430 distinct defects that, although rare individually, represent a group affecting a significant number of patients, with an overall prevalence of 1:1,200-2,000 in the general population. Early IEI diagnosis is critical for appropriate therapy and genetic counseling, however, this process is deeply dependent on accurate laboratory tests. Despite the striking importance of laboratory data for clinical immunologists, several IEI-relevant immunoassays still lack standardization, including standardized protocols, reference materials, and external quality assessment programs. Moreover, well-established reference values mostly remain to be determined, especially for early ages, when the most severe conditions manifest and diagnosis is critical for patient survival. In this article, we intend to approach the issue of standardization and quality control of the nonfunctional diagnostic tests used for IEI, focusing on those frequently utilized in clinical practice. Herein, we will focus on discussing the issues of nonfunctional immunoassays (flow cytometry, enzyme-linked immunosorbent assays, and turbidimetry/nephelometry, among others), as defined by the pure quantification of proteins or cell subsets without cell activation or cell culture-based methods.
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Affiliation(s)
- Sandro Félix Perazzio
- Division of Rheumatology, Universidade Federal de São Paulo, Sao Paulo, Brazil.,Immunology Division, Fleury Medicine and Health Laboratory, Sao Paulo, Brazil
| | - Patricia Palmeira
- Laboratório de Investigação Médica (LIM-36), Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (FMUSP), Sao Paulo, Brazil
| | - Dewton Moraes-Vasconcelos
- Laboratório de Investigação Médica (LIM-56), Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (FMUSP), Sao Paulo, Brazil
| | - Andréia Rangel-Santos
- Laboratório de Investigação Médica (LIM-36), Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (FMUSP), Sao Paulo, Brazil
| | | | - Luis Eduardo Coelho Andrade
- Division of Rheumatology, Universidade Federal de São Paulo, Sao Paulo, Brazil.,Immunology Division, Fleury Medicine and Health Laboratory, Sao Paulo, Brazil
| | - Magda Carneiro-Sampaio
- Laboratório de Investigação Médica (LIM-36), Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (FMUSP), Sao Paulo, Brazil.,Department of Pediatrics, Faculdade de Medicina da Universidade de São Paulo (FMUSP), Sao Paulo, Brazil
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6
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Perrard N, Stabler S, Sanges S, Terriou L, Launay D, Vuotto F, Chenivesse C, Hachulla E, Labalette M, Lefèvre G. Circonstances diagnostiques et caractéristiques des déficits sélectifs en anticorps anti-polysaccharides : à propos d’une cohorte régionale de 52 patients adultes. Rev Med Interne 2021. [DOI: 10.1016/j.revmed.2021.10.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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7
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Hansen AT, Söderström A, Jørgensen CS, Larsen CS, Petersen MS, Bernth Jensen JM. Diagnostic Vaccination in Clinical Practice. Front Immunol 2021; 12:717873. [PMID: 34659207 PMCID: PMC8514775 DOI: 10.3389/fimmu.2021.717873] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/13/2021] [Indexed: 12/01/2022] Open
Abstract
Testing the antibody response to vaccination (diagnostic vaccination) is crucial in the clinical evaluation of primary immunodeficiency diseases. Guidelines from the American Academy of Allergy, Asthma & Immunology (AAAAI) provide detailed recommendations for diagnostic vaccination with pure pneumococcal polysaccharide vaccines (PPV). However, the degree of compliance with these guidelines and the utility of the guidelines in actual practice are undescribed. To address this, we systematically evaluated diagnostic vaccination in adult patients with suspected primary immunodeficiency diseases in a single tertiary center from 2011 to 2016 (n = 229). We found that full compliance with the AAAAI guidelines was achieved for only 39 patients (17%), suggesting that the guidelines are not easy to follow. Worse, interpretation according to the guidelines was heavily influenced by which serotype-specific antibodies that were used for the evaluation. We found that the arbitrary choices of serotype-specific antibodies could change the fraction of patients deemed to have ‘adequate immunity’ by a factor of four, exposing an inherent flaw in the guidelines. The flaw relates to dichotomous principles for data interpretation under the AAAAI guidelines. We therefore propose a revised protocol for diagnostic vaccination limited to PPV vaccination, subsequent antibody measurements, and data interpretation using Z-scores. The Z-score compiles multiple individual antibody levels, adjusted for different weighting, into one single continuous variable for each patient. In contrast to interpretation according to the AAAAI guidelines, the Z-scores were robust to variations in the choice of serotype-specific antibodies used for interpretation. Moreover, Z-scores revealed reduced immunity after vaccination in the patients with recurrent pneumonia (a typical symptom of antibody deficiency) compared with control patients. Assessment according to the AAAAI guidelines failed to detect this difference. We conclude that our simplified protocol and interpretation with Z-scores provides more robust clinical results and may enhance the value of diagnostic vaccination.
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Affiliation(s)
- Anette Tarp Hansen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Anna Söderström
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
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8
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Ameratunga R, Longhurst H, Steele R, Woon ST. Comparison of Diagnostic Criteria for Common Variable Immunodeficiency Disorders (CVID) in the New Zealand CVID Cohort Study. Clin Rev Allergy Immunol 2021; 61:236-244. [PMID: 34236581 DOI: 10.1007/s12016-021-08860-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2021] [Indexed: 11/28/2022]
Abstract
Common variable immunodeficiency disorders (CVID) are the most frequent symptomatic primary immune deficiencies in adults and children. In addition to recurrent and severe infections, patients with CVID are susceptible to autoimmune and inflammatory complications. The aetiologies of these uncommon conditions are, by definition, unknown. When the causes of complex disorders are uncertain, diagnostic criteria may offer valuable guidance to the management of patients. Over the last two decades, there have been four sets of diagnostic criteria for CVID in use. The original 1999 European Society for Immunodeficiencies and Pan-American Society for Immunodeficiency (ESID/PAGID) criteria are less commonly used than the three newer criteria: Ameratunga et al (Clin Exp Immunol 174:203-211, 2013), ESID (J Allergy Clin Immunol Pract, 2019) and ICON (J Allergy Clin Immunol Pract 4:38-59, 2016) criteria. The primary aim of the present study was to compare the utility of diagnostic criteria in a well-characterised cohort of CVID patients. The New Zealand CVID cohort study (NZCS) commenced in 2006 and currently comprises one hundred and thirteen patients, which represents approximately 70% of all known CVID patients in NZ. Many patients have been on subcutaneous or intravenous (SCIG/IVIG) immunoglobulin treatment for decades. Patients were given a clinical diagnosis of CVID as most were diagnosed before the advent of newer diagnostic criteria. Application of the three commonly used CVID diagnostic criteria to the NZCS showed relative sensitivities as follows: Ameratunga et al (Clin Exp Immunol 174:203-211, 2013), possible and probable CVID, 88.7%; ESID (J Allergy Clin Immunol Pract, 2019), 48.3%; and ICON (J Allergy Clin Immunol Pract 4:38-59, 2016), 47.1%. These differences were mostly due to the low rates of diagnostic vaccination challenges in patients prior to commencing SCIG/IVIG treatment and mirror similar findings in CVID cohorts from Denmark and Finland. Application of the Ameratunga et al (Clin Exp Immunol 174:203-211, 2013) CVID diagnostic criteria to patients on SCIG/IVIG may obviate the need to stop treatment for vaccine studies, to confirm the diagnosis.
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Affiliation(s)
- Rohan Ameratunga
- Department of Clinical Immunology, Auckland City Hospital, Auckland, New Zealand. .,Department of Virology and Immunology, Auckland City Hospital, Auckland, New Zealand. .,Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand.
| | - Hilary Longhurst
- Department of Clinical Immunology, Auckland City Hospital, Auckland, New Zealand.,Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Richard Steele
- Department of Virology and Immunology, Auckland City Hospital, Auckland, New Zealand
| | - See-Tarn Woon
- Department of Clinical Immunology, Auckland City Hospital, Auckland, New Zealand.,Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
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9
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Robbins A, Bahuaud M, Hentzien M, Maestraggi Q, Barbe C, Giusti D, Le Naour R, Batteux F, Servettaz A. The 13-Valent Pneumococcal Conjugate Vaccine Elicits Serological Response and Lasting Protection in Selected Patients With Primary Humoral Immunodeficiency. Front Immunol 2021; 12:697128. [PMID: 34290713 PMCID: PMC8287634 DOI: 10.3389/fimmu.2021.697128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 06/22/2021] [Indexed: 01/01/2023] Open
Abstract
Background Patients with primary humoral immunodeficiency are more prone to invasive as well as recurrent pneumococcal infections. Therefore, anti-pneumococcal vaccination including the 13-valent conjugate vaccine is recommended. Nevertheless, to date, no data is available on immunogenicity of this vaccine in this population. Objective To assess the immunogenicity and the persistence of protection up to one year after a 13-valent pneumococcal conjugate vaccine in patients with primary humoral immunodeficiency. Methods Twenty-nine patients with common variable immunodeficiency or IgG subclass deficiency were vaccinated. Immune response and immune protection at baseline as well as at one, six and twelve months after vaccination were evaluated by measuring specific IgG serum concentrations (ELISA), and opsonophagocytic activities directed against selected pneumococcal (MOPA). Results By ELISA, half of the patients had protective IgG concentrations before vaccination, 35.7% showed an immune response one month after vaccination, 71.4%, 66.7% and 56.0% of the patients were protected at one, six and twelve months respectively. Conversely, by MOPA, 3.4% of the patients were protected at baseline, 10.7% showed an immune response and 28.6%, 48.2% and 33.3% were protected at one, six and twelve months respectively. IgG subclass deficiency, Ig replacement therapy and higher IgG2 concentrations at diagnosis were associated with long-term protection. Conclusion Pneumococcal conjugate vaccine improves immune protection and antibodies’ functionality in a subset of patients with primary immunodeficiency. Prime-boost vaccine strategy needs to be better and individually adapted.
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Affiliation(s)
- Ailsa Robbins
- Internal Medicine, Clinical Immunology and Infectious Diseases Department, University Hospital Centre, Reims, France.,Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France
| | - Mathilde Bahuaud
- Plateforme d'Immunomonitoring Vaccinal, Laboratory of Immunology, Cochin Hospital and University Paris-Descartes, APHP, Paris, France
| | - Maxime Hentzien
- Internal Medicine, Clinical Immunology and Infectious Diseases Department, University Hospital Centre, Reims, France
| | - Quentin Maestraggi
- Internal Medicine, Clinical Immunology and Infectious Diseases Department, University Hospital Centre, Reims, France
| | - Coralie Barbe
- Clinical Research Department, EA3797, University of Reims-Champagne-Ardenne, Reims, France
| | - Delphine Giusti
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France.,Laboratory of Immunology, Reims University Hospital, University of Reims Champagne-Ardenne, Reims, France
| | - Richard Le Naour
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France
| | - Frederic Batteux
- Plateforme d'Immunomonitoring Vaccinal, Laboratory of Immunology, Cochin Hospital and University Paris-Descartes, APHP, Paris, France
| | - Amélie Servettaz
- Internal Medicine, Clinical Immunology and Infectious Diseases Department, University Hospital Centre, Reims, France.,Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France
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10
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Janssen LMA, Heron M, Murk JL, Leenders ACAP, Rijkers GT, de Vries E. The clinical relevance of IgM and IgA anti-pneumococcal polysaccharide ELISA assays in patients with suspected antibody deficiency. Clin Exp Immunol 2021; 205:213-221. [PMID: 33877708 PMCID: PMC8274160 DOI: 10.1111/cei.13605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/08/2021] [Accepted: 03/27/2021] [Indexed: 11/28/2022] Open
Abstract
Unlike immunoglobulin (Ig)G pneumococcal polysaccharide (PnPS)‐antibodies, PnPS IgA and IgM‐antibodies are not routinely determined for the assessment of immunocompetence. It is not yet known whether an isolated inability to mount a normal IgM or IgA‐PnPS response should be considered a relevant primary antibody deficiency (PAD). We studied the clinical relevance of anti‐PnPS IgM and IgA‐assays in patients with suspected primary immunodeficiency in a large teaching hospital in ’s‐Hertogenbosch, the Netherlands. Serotype‐specific‐PnPS IgG assays were performed; subsequently, 23‐valent‐PnPS IgG assays (anti‐PnPS IgG assays), and later anti‐PnPS IgA and IgM assays, were performed in archived material (240 patients; 304 samples). Eleven of 65 pre‐ and six of 10 post‐immunization samples from good responders to PnPS serotype‐specific IgG testing had decreased anti‐PnPS IgA and/or IgM titres. Of these, three pre‐ and no post‐immunization samples were from patients previously classified as ‘no PAD’. Determination of anti‐PnPS IgA and IgM in addition to anti‐PnPS IgG did not reduce the need for serotype‐specific PnPS IgG testing to assess immunocompetence [receiver operating characteristic (ROC) analysis of post‐immunization samples: anti‐PnPS IgA + IgG area under the curve (AUC) = 0.80, 95% confidence interval (CI) = 0.63–0.97; anti‐PnPS IgM + IgG AUC 0.80, 95% CI = 0.62–0.98; anti‐PnPS IgA + IgG + IgM AUC = 0.71, 95% CI = 0.51–0.91; anti‐PnPS IgG AUC = 0.93, 95% CI = 0.85–1.00]. Our data show that patients classified as having an intact antibody response based on measurement of serotype‐specific PnPS IgG can still display impaired anti‐PnPS IgM and IgA responses, and that the additional measurement of anti‐PnPS IgA and IgM could not reduce the need for serotype‐specific IgG testing. Future studies are needed to investigate the clinical relevance of potential ‘specific IgA or IgM antibody deficiency’ in patients with recurrent airway infections in whom no PAD could be diagnosed according to the current definitions.
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Affiliation(s)
- Lisanne M A Janssen
- Department of Tranzo, Tilburg University, Tilburg, the Netherlands.,Department of Paediatrics, Amalia Children's Hospital, Nijmegen, the Netherlands
| | - Michiel Heron
- Laboratory of Medical Microbiology and Immunology, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands
| | - Jean-Luc Murk
- Laboratory of Medical Microbiology and Immunology, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands
| | | | - Ger T Rijkers
- Laboratory of Medical Microbiology and Immunology, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands.,Science Department, University College Roosevelt, Middelburg, the Netherlands
| | - Esther de Vries
- Department of Tranzo, Tilburg University, Tilburg, the Netherlands.,Laboratory of Medical Microbiology and Immunology, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands
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11
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Fieschi C, Viallard JF. [Common variable immunodeficiency disorders: Updated diagnostic criteria and genetics]. Rev Med Interne 2021; 42:465-472. [PMID: 33875312 DOI: 10.1016/j.revmed.2021.03.328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 02/26/2021] [Accepted: 03/21/2021] [Indexed: 12/24/2022]
Abstract
Common variable immunodeficiency disorders (CVID) are a heterogeneous group of conditions with hypogammaglobulinemia as the common denominator. These are the most common symptomatic primary immunodeficiency disorder in adults. Two different clinical forms are described: one group only develops infections, while a second includes (sometimes without infections, at least at the onset of disease course) a variety of non-infectious autoimmune, inflammatory, granulomatous and/or lymphoproliferative manifestations, sometimes revealing the disease and often observed in Internal Medicine. The international diagnostic criteria for CVID were updated in 2016 and are the subject of several comments in this general review. The recent use of new sequencing techniques makes it possible to better genetically define CVID. The identification of such a genetic disease makes it possible to treat pathophysiologically, in particular autoimmune and lymphoproliferative complications, with targeted treatments, sometimes used in other diseases. Determining a genetic disease in these patients also makes it possible to provide appropriate genetic counseling, and therefore to monitor mutated individuals, symptomatic or not.
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Affiliation(s)
- C Fieschi
- Département d'immunologie, Assistance Publique hôpitaux de Paris (AP-HP), Université de Paris, Paris, France; Inserm U976, institut de recherche Saint-Louis, hôpital Saint-Louis, centre constitutif déficit immunitaire chez l'adulte, CEREDIH, Paris, France
| | - J-F Viallard
- Service de médecine interne et maladies infectieuses, hôpital Haut-Lévêque, CHU de Bordeaux, 5, avenue de Magellan, 33604 Pessac, France; Université de Bordeaux, Bordeaux, France.
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12
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Isolating polysaccharide IgG pneumococcal antibody responses by pre-adsorption of conjugate vaccine serotypes: A modified approach for the conjugate vaccine era. J Immunol Methods 2020; 486:112846. [PMID: 32882318 DOI: 10.1016/j.jim.2020.112846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 08/18/2020] [Accepted: 08/26/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Assessment of pure polysaccharide response to the 23-valent pneumococcal polysaccharide vaccine (PPV23) can be biased by previous exposure to the conjugate vaccine (PCV). We applied pre-analytical modification to the existing ELISA by pre-incubating serum with PCV. METHODS PCV-adsorbed and non-adsorbed sera were prepared before measuring the concentration of anti-pneumococcal capsular polysaccharide (PCP) IgG antibodies by the whole pneumococcal ELISA. Paired pre and post-pneumococcal vaccination sera from 73 subjects were analyzed and the baseline anti-PCP IgG for each sample was subtracted from the post-vaccination value to measure vaccine responses. Absolute change in titers and fold changes were then compared between both methods. RESULTS In the PCV-vaccinated group (n = 28), pre-adsorption with PCV significantly reduced the vaccine responses compared to non-adsorbed sera [median increase in anti-PCP titers: 27.55 mg/l and 45.98 mg/l, respectively]. In addition, the median fold change dropped significantly from 3.026 to 2.313. In PPV23-vaccinated immunocompetent subjects (n = 28) there was a significant difference in anti-PCP responses with PCV adsorption [median values: 73.71 mg/l without and 51.04 mg/l with adsorption]. All the antibody deficiency patients (n = 17) displayed poor PPV23 responses. Although PPV23 responsiveness was not statistically different between both methods, we have observed a trend for lower anti-PCP IgG titers in PCV-adsorbed sera compared to non-adsorbed ones. Serotype-specific IgG analysis using a multiplexed bead-based immunoassay performed on 10 paired samples confirmed that the adsorption observed is specific to PCV serotypes. CONCLUSION Pre-analytical modification to the conventional ELISA by removing the PCV-specific serotypes may differentiate true polysaccharide response from recall response induced by previous PCV vaccination.
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13
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Ochoa-Grullón J, Orte C, Rodríguez de la Peña A, Guevara-Hoyer K, Cordero Torres G, Fernández-Arquero M, Serrano-García I, Recio M, Pérez de Diego R, Sánchez-Ramón S. Typhim vi immunization assists to discriminate primary antibody responses in hematological malignancies. MethodsX 2020; 7:100936. [PMID: 32551240 PMCID: PMC7289764 DOI: 10.1016/j.mex.2020.100936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 05/20/2020] [Indexed: 11/25/2022] Open
Abstract
Typhim Vi response have been proposed as a new strategy for the assessment of specific polysaccharide antibody response in SID due to HM. Different biostatistical methodologies may stablish the best cut-off value to discriminate Typhim Vi response. Typhim Vi IgG responses may better discriminate primary Ab responses showing relevant clinical correlate.
Assessment of specific antibody (Ab) production to polysaccharide antigens is clinically relevant, identifying patients at risk for infection by encapsulated bacteria and thus enabling a more rigorous selection of patients that can benefit of immunoglobulin replacement therapy. Classically, the gold-standard test is the measurement of antibody production to pure polysaccharide pneumococcal (PPV) immunization. Several factors, including introduction of conjugate vaccination schedule, serotyping analysis, high baseline Ab levels, have hindered the evaluation of polysaccharide antigens. This is even more difficult in secondary immunodeficiencies (SID), where patients can show secondary responses despite lack of primary antibody responses and present with recurrent or severe infections. Assessment of specific Ab production to pure Salmonella typhi Vi polysaccharide (TV) immunization has been proposed as a complementary test to PPV, given its low seroprevalence. To set the optimal cut-off value for PPV and TV response in SID, we tested different biostatistical methodologies, including ROC analysis, Youden index, Union index and Closest-topleft in a cohort of 42 SID patients and 24 healthy controls. The statistically chosen cut-offs value pre-post TV Ab ratio was ≥5, (sensitivity of 90%, specificity of 100%) and a postvaccination TV concentration of 28.5 U/mL (sensitivity of 90%, specificity of 95%), showing relevant clinical correlate.
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Affiliation(s)
- J. Ochoa-Grullón
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University School of Medicine, Madrid, Spain
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | - C. Orte
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
| | | | - K. Guevara-Hoyer
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University School of Medicine, Madrid, Spain
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | - G. Cordero Torres
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
| | - M. Fernández-Arquero
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
| | - I. Serrano-García
- Department of Epidemiology and Preventive Medicine, Hospital Clínico San Carlos, Madrid, Spain
| | - M.J. Recio
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, Madrid, Spain
| | - R. Pérez de Diego
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, Madrid, Spain
| | - S. Sánchez-Ramón
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University School of Medicine, Madrid, Spain
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
- Corresponding author
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14
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Dieudonné Y, Uring-Lambert B, Jeljeli MM, Gies V, Alembik Y, Korganow AS, Guffroy A. Immune Defect in Adults With Down Syndrome: Insights Into a Complex Issue. Front Immunol 2020; 11:840. [PMID: 32457756 PMCID: PMC7225335 DOI: 10.3389/fimmu.2020.00840] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/14/2020] [Indexed: 01/24/2023] Open
Abstract
Children with Down syndrome (DS) suffer from recurrent respiratory infections, which represent the leading cause of mortality during childhood. This susceptibility to infections is usually considered multifactorial and related to both impaired immune function and non-immunological factors. Infections are also one of the top causes of death in DS at adulthood. DS is considered an immunodeficiency with syndromic features by some researchers because of this high rate of infection and the immunological characteristics observed in children with DS. Little is known about the immune status of adult patients. Herein, we report the clinical and immune phenotype of 44 adults with DS, correlated with their infectious history. We observed that these adults had an aberrant lymphocyte phenotype with decreased naïve/memory T cell ratios and reduced numbers of switched memory B cells. The lower incidence of infectious events at adulthood distinguish DS from other inborn errors of immunity. Primary immunodeficiency-related features in DS could explain the increased risk of developing autoimmunity, malignancies, and infections. During adulthood, this immune dysfunction may be compensated for in mid-life, and infection-related mortality observed in older patients might be favored by multiple factors such as neurological impairment or nosocomial antigen exposure. Clinical Trial Registration:www.ClinicalTrials.gov, identifier NCT01663675 (August 13, 2012).
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Affiliation(s)
- Yannick Dieudonné
- INSERM UMR - S1109, Université de Strasbourg, Strasbourg, France.,Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases (CNR RESO), Tertiary Center for Primary Immunodeficiency, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.,Faculty of Medicine, Université de Strasbourg, Strasbourg, France
| | | | - Mohamed Maxime Jeljeli
- INSERM U1016, Département 3I Infection, Immunité et Inflammation, Institut Cochin, Université de Paris, Paris, France.,Department of Immunobiology, Hôpital Cochin, AP-HP-Centre Université de Paris, Paris, France
| | - Vincent Gies
- Faculty of Pharmacy, Université de Strasbourg, Illkirch, France
| | - Yves Alembik
- Department of Clinical Genetic, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Anne-Sophie Korganow
- INSERM UMR - S1109, Université de Strasbourg, Strasbourg, France.,Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases (CNR RESO), Tertiary Center for Primary Immunodeficiency, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.,Faculty of Medicine, Université de Strasbourg, Strasbourg, France
| | - Aurélien Guffroy
- INSERM UMR - S1109, Université de Strasbourg, Strasbourg, France.,Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases (CNR RESO), Tertiary Center for Primary Immunodeficiency, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.,Faculty of Medicine, Université de Strasbourg, Strasbourg, France
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15
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Janssen LMA, Heron M, Murk JL, Leenders ACAP, Rijkers GT, de Vries E. Focusing on Good Responders to Pneumococcal Polysaccharide Vaccination in General Hospital Patients Suspected for Immunodeficiency. A Decision Tree Based on the 23-Valent Pneumococcal IgG Assay. Front Immunol 2019; 10:2496. [PMID: 31749801 PMCID: PMC6848064 DOI: 10.3389/fimmu.2019.02496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/07/2019] [Indexed: 12/15/2022] Open
Abstract
Background and Aim: Recently, the 23-valent IgG-assay was suggested as screening assay to identify poor responders to pneumococcal polysaccharide (PnPS)-vaccination with the serotype-specific assay as a second-line test. However, in a low pre-test probability general hospital setting predicting good responders could be more valuable to reduce the number of samples needing serotyping. Methods: Serotype-specific PnPS antibody-assays were performed for suspected immunodeficiency in two Dutch general hospitals (Jeroen Bosch Hospital, 's-Hertogenbosch; Elisabeth Tweesteden Hospital, Tilburg). 23-Valent PnPS antibody-assays were subsequently performed in archived material. Data were analyzed using receiver operating characteristic curves (AUC) and agreement indices (ICC). Results: Sera of 284 patients (348 samples) were included; 23-valent IgG-titres and the corresponding sum of PnPS-serotype specific antibodies showed moderate correlation (ICC = 0.63). In 232 conjugated-pneumococcal-vaccine-naïve patients (270 samples), a random 23-valent IgG-titer could discriminate between samples with and without ≥7/11, ≥7/13, or ≥6/9 pneumococcal serotypes when both cut-off values 0.35 and 1.0 μg/ml were used (AUC 0.86 and 0.92, respectively). All patients with a pre-immunization-titer ≥38.2 μg/ml and/or post-immunization-titer ≥96.1 μg/ml and none with a post-immunization-titer ≤38.5 μg/ml exhibited a good response to PnPS vaccination. Using these breakpoints as screening test to predict good responders, only 24% of patients would require further serotyping, as opposed to 68% if breakpoints to predict poor responders would have been used. Conclusion: In a low pre-test probability setting, the 23-valent IgG-assay proved to be a reliable screening test for good responders in conjugated-pneumococcal-vaccine-naïve patients, reducing the overall number of patient samples needing further serotyping, thus reducing overall costs of pneumococcal vaccination response assessment.
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Affiliation(s)
- Lisanne M A Janssen
- Department of Tranzo, Tilburg University, Tilburg, Netherlands.,Department of Pediatrics, Amalia Children's Hospital, Nijmegen, Netherlands
| | - Michiel Heron
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, Netherlands
| | - Jean-Luc Murk
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, Netherlands
| | | | - Ger T Rijkers
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, Netherlands.,Science Department, University College Roosevelt, Middelburg, Netherlands
| | - Esther de Vries
- Department of Tranzo, Tilburg University, Tilburg, Netherlands.,Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, Netherlands
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16
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Sorensen RU. A Critical View of Specific Antibody Deficiencies. Front Immunol 2019; 10:986. [PMID: 31118939 PMCID: PMC6506784 DOI: 10.3389/fimmu.2019.00986] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/16/2019] [Indexed: 01/24/2023] Open
Affiliation(s)
- Ricardo U Sorensen
- Professor Emeritus of Pediatrics, Department of Pediatrics, Louisiana State University Health Science Center, New Orleans, LA, United States.,Louisiana Primary Immunodeficiency Network, New Orleans, LA, United States.,Honorary Professor, Faculty of Medicine, University of La Frontera, Temuco, Chile
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17
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Guevara-Hoyer K, Gil C, Parker AR, Williams LJ, Orte C, Rodriguez de la Peña A, Ochoa-Grullón J, Rodriguez De Frias E, García IS, García-Gómez S, Recio MJ, Fernández-Arquero M, Pérez de Diego R, Ramos JT, Sánchez-Ramón S. Measurement of Typhim Vi IgG as a Diagnostic Tool to Determine Anti-polysaccharide Antibody Production Deficiency in Children. Front Immunol 2019; 10:654. [PMID: 31001267 PMCID: PMC6455213 DOI: 10.3389/fimmu.2019.00654] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 03/11/2019] [Indexed: 11/13/2022] Open
Abstract
Background: The assessment of specific polysaccharide antibody production plays a pivotal role in the diagnosis of humoral primary immunodeficiencies (PID). The response to 23-valent pneumococcal vaccine (PPV) remains the gold standard for the diagnosis of polysaccharide antibodies. However, in Spain, the interpretation of pure polysaccharide 23-valent immunization is hampered by the high endemicity of pneumococcal disease and the generalization of the 13-valent adjuvant pneumococcal vaccination. Specific Typhim Vi vaccination (TV) immunoglobulin G IgG response to immunization is useful in adult PID, but there is no data regarding children. Objectives: To evaluate the clinical utility of TV IgG production as a diagnostic tool to determine anti-polysaccharide antibody production deficiency in children, when the response to PPV is unclear and isolated determination of serotypes is unfeasible. Methods: We conducted a single-institution prospective observational study on 61 children with recurrent infections. Baseline specific antibodies against PPV and TV were evaluated. In 28 children (46%), the response to the production of antibodies confirmed a clinical suspicion of humoral PID, and they were therefore immunized with 23-valent pneumococcal vaccine and Typhim Vi. Both specific antibody responses were measured by ELISA (The Binding Site Group Ltd, Birmingham, UK) using previously published cut-offs. Results: Seventy percent of the 61 children displayed baseline PPV IgG > 27 mg/L, whereas only 8% showed TV IgG > 28 U/mL (p < 0.0001). Twenty-one of 28 children (75%) achieved a 3-fold increase in post-vaccination TV IgG levels, whereas only 3% achieved a 4-fold increase in PPV IgG post vaccination, mainly due to high baseline PPV IgG titers. When we classified children according to their response to TV as responders or non-responders and compared this with the well-known clinical warning signs of the Jeffrey Modell Foundation. The proportions of children with history of pneumonia and the need for intravenous antibiotics were significantly higher in TV IgG non-responders than in TV IgG responders (p = 0.02 and p = 0.01, respectively). Conclusion: Response to TV can be considered an ancillary diagnostic tool to determine polysaccharide antibodies in children, particularly when isolated determination of pneumococcal serotypes is not feasible. TV provides a useful asset for clinicians in the era of conjugate PPV vaccination, with clinical relevance. Further research is warranted for validation.
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Affiliation(s)
- Kissy Guevara-Hoyer
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain.,Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain.,Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | - Celia Gil
- Department of Pediatrics, Hospital Clínico San Carlos, Madrid, Spain
| | | | | | - Carmen Orte
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain
| | | | - Juliana Ochoa-Grullón
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain.,Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain.,Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | | | - Irene Serrano García
- Department of Epidemiology and Preventive Medicine, Hospital Clínico San Carlos, Madrid, Spain
| | - Sonia García-Gómez
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain.,Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, Madrid, Spain
| | - M José Recio
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain.,Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | - Miguel Fernández-Arquero
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain.,Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain.,Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
| | - Rebeca Pérez de Diego
- Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain.,Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, Madrid, Spain
| | - Jose Tomas Ramos
- Department of Pediatrics, Hospital Clínico San Carlos, Madrid, Spain
| | - Silvia Sánchez-Ramón
- Department of Immunology, IML and IdSSC, Hospital Clínico San Carlos, Madrid, Spain.,Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain.,Immunodeficiency Interdepartmental Group (GIID), Madrid, Spain
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18
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Sorensen RU, Edgar D. Specific Antibody Deficiencies in Clinical Practice. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:801-808. [PMID: 30682575 DOI: 10.1016/j.jaip.2019.01.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 12/11/2022]
Abstract
Specific antibody deficiency (SAD) is defined as the inability to mount an antibody response to purified Streptococcus pneumoniae capsular polysaccharide antigens in the presence of normal immunoglobulin concentrations and normal antibody responses to protein antigens. In this review, we discuss the difficulties in using presently available testing methods to adequately define SAD. The fact that there are different forms of SADs to pneumococcal surface polysaccharides is detailed. The diagnostic and therapeutic implications of recognizing that, in addition to SAD, there are other forms of SAD in the response to S. pneumoniae polysaccharides are described in detail. The conclusion of this review is that assessment of immunity and therapeutic actions to deal with SADs need to be based on clinical evidence rather than solely on arbitrarily defined antibody responses.
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Affiliation(s)
- Ricardo U Sorensen
- Department of Pediatrics, Louisiana State University Health Science Center, New Orleans, La; Louisiana Primary Immunodeficiency Network, New Orleans, La; Faculty of Medicine, University of La Frontera, Temuco, Chile.
| | - David Edgar
- Regional Immunology Service, The Royal Hospitals, Belfast Health & Social Care Trust and Queen's University Belfast, Belfast, Northern Ireland, UK
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19
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Sorensen RU, Edgar JDM. Overview of antibody‐mediated immunity toS. pneumoniae:pneumococcal infections, pneumococcal immunity assessment, and recommendations for IG product evaluation. Transfusion 2018; 58 Suppl 3:3106-3113. [DOI: 10.1111/trf.15044] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 10/20/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Ricardo U. Sorensen
- Department of PediatricsLouisiana State University Health Science Center New Orleans LA
- Louisiana Primary Immunodeficiency Network and Faculty of MedicineUniversity of La Frontera Temuco Chile
| | - J. David M. Edgar
- Regional Immunology Service, The Royal Hospitals, Belfast Health & Social Care Trust and Queen's University Belfast Belfast UK
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20
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Interest of immunodeficiency screening in adult after admission in medical intensive care unit for severe infection, a retrospective and a prospective study: the Intensive Care Unit and Primary and Secondary Immunodeficiency (ICUSPID) study. Infection 2018; 47:87-93. [PMID: 30194635 DOI: 10.1007/s15010-018-1215-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/04/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Primary immunodeficiency (PID) in adults is rare and mostly revealed by infections. MATERIAL AND METHODS Adults without predisposing factors who were admitted to an intensive care unit (ICU) for infection were screened for PID. RESULTS Six PID cases were diagnosed, mostly revealed by encapsulated bacterial infections. CONCLUSION Investigation of PID after ICU discharge should be considered to improve early detection.
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