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Cinicola BL, Uva A, Duse M, Zicari AM, Buonsenso D. Mucocutaneous Candidiasis: Insights Into the Diagnosis and Treatment. Pediatr Infect Dis J 2024; 43:694-703. [PMID: 38502882 PMCID: PMC11191067 DOI: 10.1097/inf.0000000000004321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/08/2024] [Indexed: 03/21/2024]
Abstract
Recent progress in the methods of genetic diagnosis of inborn errors of immunity has contributed to a better understanding of the pathogenesis of chronic mucocutaneous candidiasis (CMC) and potential therapeutic options. This review describes the latest advances in the understanding of the pathophysiology, diagnostic strategies, and management of chronic mucocutaneous candidiasis.
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Affiliation(s)
- Bianca Laura Cinicola
- From the Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Andrea Uva
- Pediatrics and Neonatology Unit, Maternal-Child Department, Santa Maria Goretti Hospital, Sapienza University of Rome, Latina, Italy
| | - Marzia Duse
- From the Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Anna Maria Zicari
- From the Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Danilo Buonsenso
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Center for Global Health Research and Studies, Università Cattolica del Sacro Cuore, Roma, Italia
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Groppetti D, Pecile A, Filipe J, Riva F, Inglesi A, Kuhn PA, Giussani E, Dall’Ara P. Canine Amniotic Fluid at Birth Holds Information about Neonatal Antibody Titres against Core Vaccine Viruses. Vet Sci 2024; 11:234. [PMID: 38921981 PMCID: PMC11209429 DOI: 10.3390/vetsci11060234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/09/2024] [Accepted: 05/22/2024] [Indexed: 06/27/2024] Open
Abstract
There is a growing interest in the composition of amniotic fluid (AF) in both humans and animals. In addition to its nutritional and protective functions for the foetus, current knowledge demonstrates that AF also serves advanced diagnostic, prognostic, and therapeutic roles. Newborn dogs have an underdeveloped immune system, making them highly susceptible to dangerous pathogens such as canine parvovirus (CPV-2), canine infectious hepatitis virus (CAdV-1), and canine distemper virus (CDV), thus exposing them to a high risk of mortality in the first weeks of life. Immunoglobulins G (IgGs) represent the only antibody isotype capable of crossing the placenta in a small amount and have been detected also in canine AF. The primary aim of this study was to investigate the reliability of AF collected at birth as a marker of passive immunity in canine species. For this purpose, total and specific IgGs against CPV-2, CAdV-1, and CDV were investigated and quantified in both maternal plasma and AF collected at the time of caesarean section. The vaccination status of the bitches was also taken into consideration. Since the immune system can be influenced by gestational age, with preterm infants having immature innate and adaptive immunity, IgG concentrations were correlated with amniotic lecithin, sphingomyelin, cortisol, surfactant protein A, and pentraxin 3 levels. In a previous study from our group on foetal maturity these molecules were measured in the same samples. Finally, correlations between their amniotic content and neonatal outcomes were investigated. This study demonstrates that AF analysis at birth can provide valuable insights into neonatal immunity in puppies, offering a non-invasive method to detect potential early health risks, for improved puppy care and management.
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Affiliation(s)
| | | | - Joel Filipe
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, 26900 Lodi, Italy; (D.G.); (A.P.); (F.R.); (A.I.); (P.A.K.); (E.G.); (P.D.)
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Govindaraj D, Jensen GB, Rahman Qazi K, Sverremark‐Ekström E, Abrahamsson T, Jenmalm MC. Effects of extremely preterm birth on cytokine and chemokine responses induced by T-cell activation during infancy. Clin Transl Immunology 2024; 13:e1510. [PMID: 38737447 PMCID: PMC11087183 DOI: 10.1002/cti2.1510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/14/2024] Open
Abstract
Objectives Extremely preterm (EPT; gestational week < 28 + 0, < 1000 g) neonates are vulnerable to infections and necrotising enterocolitis, important contributors to mortality and morbidity. However, knowledge regarding their immune maturation remains limited. We here investigated the longitudinal development of functional T-cell capacity in EPT infants. Methods Peripheral blood mononuclear cells were isolated at 14th and 28th day (D) and at gestational week 36 + 0 (Gw36) from EPT infants, participated in a randomised, double-blind, placebo-controlled study of Lactobacillus reuteri DSM 17938 probiotic supplementation. Blood collected from 25 full-term (FT) infants at D14 was used as control. The secretion of immune mediators was determined through comprehensive Luminex panels after stimulation with human T-cell activator CD3/CD28 beads. Results The levels of many mediators were low in EPT infants at D14, whereas the secretion of several chemokines was higher in EPT than in FT infants. Furthermore, Th2:Th1 cytokine ratios were higher in EPT than in FT infants. Progressively elevated secretion of, for example, IFN-γ, TNF and IL-17A in EPT infants was observed from D14 to D28 and then at Gw36. Elevated levels were observed for many proinflammatory mediators at D28. Probiotic supplementation or perinatal factors (e.g. clinical chorioamnionitis, preeclampsia and delivery mode) did not influence the cytokine and chemokine responses. Conclusions Immune mediators induced by T-cell activation in EPT infants were mainly reduced at D14 and Th2 skewed compared to those in FT infants, but mostly recovered at Gw36, indicating immune maturation. Increased proinflammatory responses at D28 may be related to the heightened risk of severe immune-associated complications seen in EPT infants.
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Affiliation(s)
- Dhanapal Govindaraj
- Division of Inflammation and Infection (II), Department of Biomedical and Clinical Sciences (BKV)Linköping UniversityLinköpingSweden
| | - Georg Bach Jensen
- Division of Inflammation and Infection (II), Department of Biomedical and Clinical Sciences (BKV)Linköping UniversityLinköpingSweden
- Crown Princess Victoria Children's HospitalLinköpingCounty of ÖstergötlandSweden
| | - Khaleda Rahman Qazi
- Department of Molecular Biosciences, The Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Eva Sverremark‐Ekström
- Department of Molecular Biosciences, The Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Thomas Abrahamsson
- Division of Inflammation and Infection (II), Department of Biomedical and Clinical Sciences (BKV)Linköping UniversityLinköpingSweden
- Crown Princess Victoria Children's HospitalLinköpingCounty of ÖstergötlandSweden
| | - Maria C Jenmalm
- Division of Inflammation and Infection (II), Department of Biomedical and Clinical Sciences (BKV)Linköping UniversityLinköpingSweden
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Kranz LA, Hahn WS, Thompson WS, Hentz R, Kobrinsky NL, Galardy P, Greenmyer JR. Neonatal hemophagocytic lymphohistiocytosis: A meta-analysis of 205 cases. Pediatr Blood Cancer 2024; 71:e30894. [PMID: 38296838 DOI: 10.1002/pbc.30894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/03/2024] [Accepted: 01/16/2024] [Indexed: 02/02/2024]
Abstract
BACKGROUND Neonatal hemophagocytic lymphohistiocytosis (nHLH), defined as HLH that presents in the first month of life, is clinically devastating. There have been few large descriptive studies of nHLH. OBJECTIVES The objective of this study was to perform a meta-analysis of published cases of nHLH. METHODS A comprehensive literature database search was performed. Cases of HLH were eligible for inclusion if clinical analysis was performed at age ≤30 days. Up to 70 variables were extracted from each case. RESULTS A total of 544 studies were assessed for eligibility, and 205 cases of nHLH from 142 articles were included. The median age of symptom onset was day of life 3 (interquartile range [IQR]: 0-11, n = 141). Median age at diagnosis was day of life 15 (IQR: 6-27, n = 87). Causes of HLH included familial HLH (48%, n = 99/205), infection (26%, n = 53/205), unknown (17%, n = 35/205), macrophage activation syndrome/rheumatologic (2.9%, n = 4/205), primary immune deficiency (2.0%, n = 5/205), inborn errors of metabolism (2.4%, n = 5/205), and malignancy (2.0%, n = 4/205). Fever was absent in 19% (n = 28/147) of all neonates and 39% (n = 15/38) of preterm neonates. Bicytopenia was absent in 26% (n = 47/183) of patients. Central nervous system (CNS) manifestations were reported in 63% of cases (n = 64/102). Liver injury (68%, n = 91/134) and/or liver failure (24%, n = 32/134) were common. Flow cytometry was performed in 22% (n = 45/205) of cases. Many patients (63%, n = 121/193) died within the period of reporting. Discernable values for HLH diagnostic criteria were reported between 30% and 83% of the time. CONCLUSIONS Evaluation of nHLH requires rapid testing for a wide range of differential diagnoses. HLH diagnostic criteria such as fever and bicytopenia may not occur as frequently in the neonatal population as in older pediatric populations. Neurologic and hepatic manifestations frequently occur in the neonatal population. Current reports of nHLH suggest a high mortality rate. Future publications containing data on nHLH should improve reporting quality by reporting all clinically relevant data.
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Affiliation(s)
- Lincoln A Kranz
- University of North Dakota School of Medicine, Grand Forks, North Dakota, USA
| | - Wyatt S Hahn
- University of North Dakota School of Medicine, Grand Forks, North Dakota, USA
| | - Whitney S Thompson
- Mayo Clinic, Neonatal and Perinatal Medicine, Clinical Genomics, Center for Individualized Medicine, Rochester, Minnesota, USA
| | - Roland Hentz
- Department of Quantitative Health Sciences, Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Paul Galardy
- Pediatric Hematology and Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Jacob R Greenmyer
- Pediatric Hematology and Oncology, Hospice and Palliative Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Borghesi A. Life-threatening infections in human newborns: Reconciling age-specific vulnerability and interindividual variability. Cell Immunol 2024; 397-398:104807. [PMID: 38232634 DOI: 10.1016/j.cellimm.2024.104807] [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: 10/29/2023] [Revised: 01/05/2024] [Accepted: 01/10/2024] [Indexed: 01/19/2024]
Abstract
In humans, the interindividual variability of clinical outcome following exposure to a microorganism is immense, ranging from silent infection to life-threatening disease. Age-specific immune responses partially account for the high incidence of infection during the first 28 days of life and the related high mortality at population level. However, the occurrence of life-threatening disease in individual newborns remains unexplained. By contrast, inborn errors of immunity and their immune phenocopies are increasingly being discovered in children and adults with life-threatening viral, bacterial, mycobacterial and fungal infections. There is a need for convergence between the fields of neonatal immunology, with its in-depth population-wide characterization of newborn-specific immune responses, and clinical immunology, with its investigations of infections in patients at the cellular and molecular levels, to facilitate identification of the mechanisms of susceptibility to infection in individual newborns and the design of novel preventive and therapeutic strategies.
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Affiliation(s)
- Alessandro Borghesi
- Neonatal Intensive Care Unit, San Matteo Research Hospital, Pavia, EU, Italy; School of Life Sciences, Swiss Federal Institute of Technology, Lausanne, Switzerland.
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Kim S, Pistawka C, Langlois S, Osiovich H, Virani A, Kitchin V, Elliott AM. Genetic counselling considerations with genetic/genomic testing in Neonatal and Pediatric Intensive Care Units: A scoping review. Clin Genet 2024; 105:13-33. [PMID: 37927209 DOI: 10.1111/cge.14446] [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] [Received: 07/28/2023] [Revised: 09/23/2023] [Accepted: 10/15/2023] [Indexed: 11/07/2023]
Abstract
Genetic and genomic technologies can effectively diagnose numerous genetic disorders. Patients benefit when genetic counselling accompanies genetic testing and international guidelines recommend pre- and post-test genetic counselling with genome-wide sequencing. However, there is a gap in knowledge regarding the unique genetic counselling considerations with different types of genetic testing in the Neonatal Intensive Care Unit (NICU) and the Pediatric Intensive Care Unit (PICU). This scoping review was conducted to identify the gaps in care with respect to genetic counselling for infants/pediatric patients undergoing genetic and genomic testing in NICUs and PICUs and understand areas in need of improvement in order to optimize clinical care for patients, caregivers, and healthcare providers. Five databases (MEDLINE [Ovid], Embase [Ovid], PsycINFO [Ebsco], CENTRAL [Ovid], and CINHAL [Ebsco]) and grey literature were searched. A total of 170 studies were included and used for data extraction and analysis. This scoping review includes descriptive analysis, followed by a narrative account of the extracted data. Results were divided into three groups: pre-test, post-test, and comprehensive (both pre- and post-test) genetic counselling considerations based on indication for testing. More studies were conducted in the NICU than the PICU. Comprehensive genetic counselling was discussed in only 31% of all the included studies demonstrating the need for both pre-test and post-test genetic counselling for different clinical indications in addition to the need to account for different cultural aspects based on ethnicity and geographic factors.
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Affiliation(s)
- Sunu Kim
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Carly Pistawka
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sylvie Langlois
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
- Women's Health Research Institute, Vancouver, British Columbia, Canada
| | - Horacio Osiovich
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
- Women's Health Research Institute, Vancouver, British Columbia, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Alice Virani
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
- Ethics Service, Provincial Health Services Authority, Vancouver, British Columbia, Canada
| | - Vanessa Kitchin
- Woodward Library, University of British Columbia, Vancouver, British Columbia, Canada
| | - Alison M Elliott
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
- Women's Health Research Institute, Vancouver, British Columbia, Canada
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Ferreira CS, da Silva Francisco Junior R, Gerber AL, Guimarães APDC, Amendola FA, Pinto-Mariz F, de Souza MS, Miranda PCB, de Vasconcelos ZFM, Goudouris ES, Vasconcelos ATR. Assessing whole-exome sequencing data from undiagnosed Brazilian patients to improve the diagnostic yield of inborn errors of immunity. BMC Genom Data 2023; 24:36. [PMID: 37391719 PMCID: PMC10314602 DOI: 10.1186/s12863-023-01137-2] [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] [Received: 12/07/2022] [Accepted: 06/19/2023] [Indexed: 07/02/2023] Open
Abstract
OBJECTIVES Inborn error of immunity (IEI) comprises a broad group of inherited immunological disorders that usually display an overlap in many clinical manifestations challenging their diagnosis. The identification of disease-causing variants from whole-exome sequencing (WES) data comprises the gold-standard approach to ascertain IEI diagnosis. The efforts to increase the availability of clinically relevant genomic data for these disorders constitute an important improvement in the study of rare genetic disorders. This work aims to make available WES data of Brazilian patients' suspicion of IEI without a genetic diagnosis. We foresee a broad use of this dataset by the scientific community in order to provide a more accurate diagnosis of IEI disorders. DATA DESCRIPTION Twenty singleton unrelated patients treated at four different hospitals in the state of Rio de Janeiro, Brazil were enrolled in our study. Half of the patients were male with mean ages of 9 ± 3, while females were 12 ± 10 years old. The WES was performed in the Illumina NextSeq platform with at least 90% of sequenced bases with a minimum of 30 reads depth. Each sample had an average of 20,274 variants, comprising 116 classified as rare pathogenic or likely pathogenic according to American College of Medical Genetics and Genomics and the Association (ACMG) guidelines. The genotype-phenotype association was impaired by the lack of detailed clinical and laboratory information, besides the unavailability of molecular and functional studies which, comprise the limitations of this study. Overall, the access to clinical exome sequencing data is limited, challenging exploratory analyses and the understanding of genetic mechanisms underlying disorders. Therefore, by making these data available, we aim to increase the number of WES data from Brazilian samples despite contributing to the study of monogenic IEI-disorders.
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Affiliation(s)
- Cristina Santos Ferreira
- Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil
| | - Ronaldo da Silva Francisco Junior
- Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil
| | - Alexandra Lehmkuhl Gerber
- Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil
| | - Ana Paula de Campos Guimarães
- Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil
| | - Flávia Anisio Amendola
- Allergy and Immunology Service of Institute of Women, Children and Adolescents' Health Fernandes Figueira (IFF) - Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Fernanda Pinto-Mariz
- Allergy and Immunology Service of the Martagão Gesteira Institute for Childcare and Pediatrics (IPPMG), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro-RJ, Brazil
| | | | | | - Zilton Farias Meira de Vasconcelos
- Laboratory of High Complexity of the Institute of Women, Children and Adolescents' Health Fernandes Figueira (IFF) - Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Ekaterini Simões Goudouris
- Allergy and Immunology Service of the Martagão Gesteira Institute for Childcare and Pediatrics (IPPMG), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro-RJ, Brazil
| | - Ana Tereza Ribeiro Vasconcelos
- Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil.
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Morton SU, Schnur M, Kerper R, Young V, O’Connell AE. Premature Infants Have Normal Maturation of the T Cell Receptor Repertoire at Term. Front Immunol 2022; 13:854414. [PMID: 35707545 PMCID: PMC9189380 DOI: 10.3389/fimmu.2022.854414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
Premature infants are known to have immature immune systems compared to term infants; however, the impacts of ex utero immune development are not well characterized. Our previous retrospective clinical review showed prolonged T cell lymphopenia in a subset of extremely premature infants, suggesting that they may have lasting abnormalities in their T cell compartments. We used T cell receptor (TCR) repertoire sequencing to analyze the composition of the T cell compartment in premature and term infants in our NICU. We collected twenty-eight samples from individual subjects and analyzed the number of clonotypes, repertoire diversity, CDR3 length, and V gene usage between groups based on gestational age at birth and postmenstrual age at the time of sample collection. Further, we examined the TCR repertoire in infants with severe bronchopulmonary dysplasia (BPD) and those with abnormal T cell receptor excision circle (TREC) assays. Former extremely premature infants who were corrected to term postmenstrual age had TCR repertoire diversity that was more similar to term born infants than extremely premature infants, supporting normal maturation of the repertoire. Infants with severe BPD did not appear to have increased abnormalities in repertoire diversity. Decreased TCR repertoire diversity was associated with repeatedly abnormal TREC screening, although the diversity was within the normal range for subjects without low TRECs. This study suggests that extremely premature infants demonstrate normal maturation of the T cell repertoire ex utero. Further work is needed to better characterize postnatal T cell development and function in this population.
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Affiliation(s)
- Sarah U. Morton
- Division of Newborn Medicine, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Maureen Schnur
- Division of Newborn Medicine, Boston Children’s Hospital, Boston, MA, United States
| | - Rylee Kerper
- Division of Newborn Medicine, Boston Children’s Hospital, Boston, MA, United States
| | - Vanessa Young
- Division of Newborn Medicine, Boston Children’s Hospital, Boston, MA, United States
| | - Amy E. O’Connell
- Division of Newborn Medicine, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
- Manton Center for Orphan Disease Research at Boston Children’s Hospital (BCH), Boston, MA, United States
- *Correspondence: Amy E. O’Connell,
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Carneiro-Sampaio M, de Jesus AA, Bando SY, Moreira-Filho CA. Inborn Errors of Immunity With Fetal or Perinatal Clinical Manifestations. Front Pediatr 2022; 10:891343. [PMID: 35601409 PMCID: PMC9121170 DOI: 10.3389/fped.2022.891343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 04/18/2022] [Indexed: 11/28/2022] Open
Abstract
In this article we revised the literature on Inborn Errors of Immunity (IEI) keeping our focus on those diseases presenting with intrauterine or perinatal clinical manifestations. We opted to describe our findings according to the IEI categories established by the International Union of Immunological Societies, predominantly addressing the immunological features of each condition or group of diseases. The main finding is that such precocious manifestations are largely concentrated in the group of primary immune regulatory disorders (PIRDs) and not in the group of classical immunodeficiencies. The IEI categories with higher number of immunological manifestations in utero or in perinatal period are: (i) diseases of immune dysregulation (HLH, IPEX and other Tregopathies, autosomal recessive ALPS with complete lack of FAS protein expression) and (ii) autoinflammatory diseases (NOMID/CINCA, DIRA and some interferonopathies, such as Aicardi-Goutières syndrome, AGS, and USP18 deficiency). Regarding the other IEI categories, some patients with Omenn syndrome (an atypical form of SCID), and a few X-linked CGD patients present with clinical manifestations at birth associated to immune dysregulation. The most frequent clinical features were hydrops fetalis, intrauterine growth retardation leading to fetal loss, stillbirths, and prematurity, as in HLH and IPEX. Additionally, pseudo-TORCH syndrome was observed in AGS and in USP18 deficiency. The main goal of our review was to contribute to increasing the medical awareness of IEI with intrauterine and perinatal onset, which has obvious implications for diagnosis, treatment, and genetic counseling.
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Affiliation(s)
- Magda Carneiro-Sampaio
- Department of Pediatrics, Faculdade de Medicina, Universidade de São Paulo, Sao-Paulo, Brazil
| | - Adriana Almeida de Jesus
- Translational Autoinflammatory Disease Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Silvia Yumi Bando
- Department of Pediatrics, Faculdade de Medicina, Universidade de São Paulo, Sao-Paulo, Brazil
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