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Gul I, Khan TA, Akbar NU, Gul N, Ali R, Khan SN. Novel mutations in CYBB Gene Cause X-linked chronic Granulomatous Disease in Pakistani patients. Ital J Pediatr 2023; 49:95. [PMID: 37533075 PMCID: PMC10399011 DOI: 10.1186/s13052-023-01496-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 07/10/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Chronic Granulomatous Disease (CGD) is a primary immunodeficiency that causes susceptibility to recurrent fungal and bacterial infections. The CYBB gene encodes gp91phox component of the Phagocytic Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and specifically, X-linked CGD is caused by mutations in the CYBB gene, located on the X chromosome. The aim of the study was to characterize functional and genetic mutations in X-linked CGD. METHODS Functional analysis was conducted on the whole blood of seventeen male individuals who were suspected to have X-linked chronic granulomatous disease (CGD). Flow cytometry was employed to assess the capacity of NADPH oxidase, measuring both H2O2 production and gp91phox protein expression in neutrophils. Additionally, DNA Sanger sequencing was performed for genetic analysis. The pathogenicity of novel mutations was assessed by pathogenicity prediction tools. RESULT Among the seventeen patients evaluated, five patients (P1, P2, P3, P4, and P5) displayed impaired H2O2 production by their neutrophils upon stimulation with Phorbol myristate acetate (PMA), accompanied by abnormal gp91phox expression. DNA sequencing of the CYBB gene identified specific mutations in each patient. In P1 and P2 (previously reported cases), a hemizygous missense mutation, c.925G > A/p.E309K was identified. In P3 and P4 (novel cases), hemizygous nonsense mutations, c.216T > A/p.C72X were found. Lastly, in P5 (also a novel case), a hemizygous missense mutation, c.732T > G/p.C244W was detected. These mutations reside in exons 9,3 and 7 of the CYBB gene, respectively. CONCLUSIONS The current study contributes to the understanding of the clinical and genetic spectrum associated with X-linked chronic granulomatous disease (CGD). It highlights the significance of early diagnosis in CGD and emphasizes the importance of lifelong prophylaxis to prevent severe infections.
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Affiliation(s)
- Irum Gul
- Department of Zoology, Kohat University of Science and Technology, 26000, Kohat, Khyber Pakhtunkhwa, Pakistan
| | - Taj Ali Khan
- Institute of Pathology and Diagnostic Medicine, Khyber Medical University, 25160, Peshawar, Pakistan.
| | - Noor Ul Akbar
- Department of Zoology, Kohat University of Science and Technology, 26000, Kohat, Khyber Pakhtunkhwa, Pakistan
| | - Naila Gul
- Department of Zoology, Kohat University of Science and Technology, 26000, Kohat, Khyber Pakhtunkhwa, Pakistan
| | - Rehman Ali
- Department of Zoology, Kohat University of Science and Technology, 26000, Kohat, Khyber Pakhtunkhwa, Pakistan
| | - Shahid Niaz Khan
- Department of Zoology, Kohat University of Science and Technology, 26000, Kohat, Khyber Pakhtunkhwa, Pakistan.
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Argyle TC, Singh A, Abdullah F. Immunodeficiency Hiding in Plain Sight. Cureus 2022; 14:e27571. [PMID: 35928175 PMCID: PMC9345625 DOI: 10.7759/cureus.27571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2022] [Indexed: 11/05/2022] Open
Abstract
Primary immunodeficiency syndromes encompass a wide variety of inborn and acquired cellular and signaling defects. They are predominantly diagnosed during childhood but can present later into young adulthood depending on the severity, impact, and access to healthcare. Early clues to diagnosis include atypical and severe or recurrent presentations to common pathogens, vaccine failure, and immune lab abnormalities. Despite seemingly obvious characteristics, diagnosis is frequently delayed by months to years at a cost of greatly increased morbidity. Here we present a case of a challenging hyper IgM syndrome diagnosed after seven months and multiple hospitalizations for unique multisystem pathologies.
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Almalky M, Abdelaziz TA, Baz EG. Clinical and laboratory spectrum of inborn errors of immunity in Egypt: Five years of experience at a tertiary care university hospital. J Paediatr Child Health 2022; 58:1151-1158. [PMID: 35218595 DOI: 10.1111/jpc.15924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 12/01/2021] [Accepted: 01/31/2022] [Indexed: 11/30/2022]
Abstract
AIM The recognition and diagnosis of primary immunodeficiency disorders (PIDs) is challenging in developing countries. This study aimed to describe the features of PID patients in a tertiary care setting in Egypt and analyse the distribution, clinical features and outcome of PID among paediatric patients. METHODS This cross-sectional retrospective study was conducted between January 2016 and January 2021, to evaluate all paediatric patients aged below 18 years with PID that were diagnosed according to the International Union of Immunological Societies 2017 classification. We retrospectively studied the clinical features, diagnostic spectrum, laboratory investigations and relevant immunological workup, and treatment options. RESULTS A total of 61 PID patients were enrolled in the current study. The median age at diagnosis was 22 months. The overall consanguinity rate was 49.2%, and the family history of PID was 19.7%. Among all PIDs, the combined immunodeficiency with syndromic features predominates with 17 cases, accounting for 27.9% of all cases of PIDs. The predominant antibody deficiency was the second common PID that was diagnosed in 14 patients (23%). Recurrent pneumonia was the most common initial presentation, occurring in 77% of patients, followed by failure to thrive (63.9%), and recurrent otitis media (55.7%). The total deaths were 18 patients (29.5%). CONCLUSION Paediatric patients with PIDs are not uncommon in Egypt. There is a need to improve PID diagnosis and treatment, for better estimation of PID and to decrease morbidity and mortality.
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Affiliation(s)
- Mohamed Almalky
- Department of Pediatrics, Faculty of Medicine, Zagazig University, Zagazig, Sharkia, Egypt
| | - Tarek A Abdelaziz
- Department of Pediatrics, Faculty of Medicine, Zagazig University, Zagazig, Sharkia, Egypt
| | - Eman Gamal Baz
- Department of Pediatrics, Faculty of Medicine, Zagazig University, Zagazig, Sharkia, Egypt
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Belaid B, Lamara Mahammed L, Drali O, Oussaid AM, Touri NS, Melzi S, Dehimi A, Berkani LM, Merah F, Larab Z, Allam I, Khemici O, Kirane SY, Boutaba M, Belbouab R, Bekkakcha H, Guedouar A, Chelali A, Baamara B, Noui D, Baaziz H, Rezak R, Azzouz SM, Aichaoui M, Moktefi A, Benhatchi RM, Oussalah M, Benaissa N, Laredj A, Bouchetara A, Adria A, Habireche B, Tounsi N, Dahmoun F, Touati R, Boucenna H, Bouferoua F, Sekfali L, Bouhafs N, Aboura R, Kherra S, Inouri Y, Dib S, Medouri N, Khelfaoui N, Redjedal A, Zelaci A, Yahiaoui S, Medjadj S, Touhami TK, Kadi A, Amireche F, Frada I, Houasnia S, Benarab K, Boubidi C, Ferhani Y, Benalioua H, Sokhal S, Benamar N, Aggoune S, Hadji K, Bellouti A, Rahmoune H, Boutrid N, Okka K, Ammour A, Saadoune H, Amroun M, Belhadj H, Ghanem A, Abbaz H, Boudrioua S, Zebiche B, Ayad A, Hamadache Z, Ouaras N, Achour N, Bouchair N, Boudiaf H, Bekkat-Berkani D, Maouche H, Bouzrar Z, Aissat L, Ibsaine O, Bioud B, Kedji L, Dahlouk D, Bensmina M, Radoui A, Bessahraoui M, Bensaadi N, Mekki A, Zeroual Z, Chan KW, Leung D, Tebaibia A, Ayoub S, Mekideche D, Gharnaout M, Casanova JL, Puel A, Lau YL, Cherif N, Ladj S, Smati L, Boukari R, Benhalla N, Djidjik R. Inborn Errors of Immunity in Algerian Children and Adults: A Single-Center Experience Over a Period of 13 Years (2008–2021). Front Immunol 2022; 13:900091. [PMID: 35529857 PMCID: PMC9069527 DOI: 10.3389/fimmu.2022.900091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 03/25/2022] [Indexed: 12/11/2022] Open
Abstract
Background Inborn errors of immunity (IEI) predispose patients to various infectious and non-infectious complications. Thanks to the development and expanding use of flow cytometry and increased awareness, the diagnostic rate of IEI has markedly increased in Algeria the last decade. Aim This study aimed to describe a large cohort of Algerian patients with probable IEI and to determine their clinical characteristics and outcomes. Methods We collected and analyzed retrospectively the demographic data, clinical manifestations, immunologic, genetic data, and outcome of Algerian IEI patients - diagnosed in the department of medical immunology of Beni Messous university hospital center, Algiers, from 2008 to 2021. Results Eight hundred and seven patients with IEI (482 males and 325 females) were enrolled, 9.7% of whom were adults. Consanguinity was reported in 50.3% of the cases and a positive family history in 32.34%. The medium age at disease onset was 8 months and at diagnosis was 36 months. The median delay in diagnosis was 16 months. Combined immunodeficiencies were the most frequent (33.8%), followed by antibody deficiencies (24.5%) and well-defined syndromes with immunodeficiency (24%). Among 287 patients tested for genetic disorders, 129 patients carried pathogenic mutations; 102 having biallelic variants mostly in a homozygous state (autosomal recessive disorders). The highest mortality rate was observed in patients with combined immunodeficiency (70.1%), especially in patients with severe combined immunodeficiency (SCID), Omenn syndrome, or Major Histocompatibility Complex (MHC) class II deficiency. Conclusion The spectrum of IEI in Algeria is similar to that seen in most countries of the Middle East and North Africa (MENA) region, notably regarding the frequency of autosomal recessive and/or combined immunodeficiencies.
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Affiliation(s)
- Brahim Belaid
- Department of Medical Immunology, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Lydia Lamara Mahammed
- Department of Medical Immunology, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Ouardia Drali
- Department of Pediatrics B, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Aida Mohand Oussaid
- Department of Pediatrics A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Nabila Souad Touri
- Department of Pediatrics, Blida University Hospital Center, University of Blida, Blida, Algeria
| | - Souhila Melzi
- Department of Pediatrics, Bab El Oued University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Abdelhak Dehimi
- Department of Pediatrics, Setif University Hospital Center, University of Setif 1, Setif, Algeria
| | - Lylia Meriem Berkani
- Department of Medical Immunology, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Fatma Merah
- Department of Medical Immunology, Beni Messous University Hospital Center, Algiers, Algeria
| | - Zineb Larab
- Department of Medical Immunology, Beni Messous University Hospital Center, Algiers, Algeria
| | - Ines Allam
- Department of Medical Immunology, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Ouarda Khemici
- Department of Pediatrics B, Beni Messous University Hospital Center, Algiers, Algeria
| | - Sonya Yasmine Kirane
- Department of Pediatrics B, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Mounia Boutaba
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Reda Belbouab
- Department of Pediatrics, Mustapha Pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Hadjira Bekkakcha
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Assia Guedouar
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Abdelhakim Chelali
- Department of Pediatrics, Djelfa Public Hospital Institution, Djelfa, Algeria
| | - Brahim Baamara
- Department of Pediatrics, Djelfa Public Hospital Institution, Djelfa, Algeria
| | - Djamila Noui
- Department of Pediatrics, Batna University Hospital center, University of Batna, Batna, Algeria
| | - Hadda Baaziz
- Department of Pediatrics, Batna University Hospital center, University of Batna, Batna, Algeria
| | - Radia Rezak
- Department of Pediatric Gastroenterology and Nutrition, Canastel Children’s Hospital, Oran, Algeria
| | - Sidi Mohamed Azzouz
- Department of Pediatric Gastroenterology and Nutrition, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Malika Aichaoui
- Department of Pediatric Pneumo-Allergology, Canastel Children’s Hospital, Oran, Algeria
| | - Assia Moktefi
- Department of Pediatric Pneumo-Allergology, Canastel Children’s Hospital, Oran, Algeria
| | | | - Meriem Oussalah
- Department of Pediatric Pneumo-Allergology, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Naila Benaissa
- Department of Children’s Infectious Diseases, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Amel Laredj
- Department of Children’s Infectious Diseases, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Assia Bouchetara
- Department of Children’s Infectious Diseases, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Abdelkader Adria
- Department of Pediatric Hematology, Canastel Children’s Hospital, Oran, Algeria
| | - Brahim Habireche
- Department of Pediatrics, El Bayadh Public Hospital Institution, EL Bayadh, Algeria
| | - Noureddine Tounsi
- Department of Pediatrics, El Bayadh Public Hospital Institution, EL Bayadh, Algeria
| | - Fella Dahmoun
- Department of Pediatrics, Bejaia University Hospital Center, University of Bejaia, Bejaia, Algeria
| | - Rabah Touati
- Department of Pediatrics, Bejaia University Hospital Center, University of Bejaia, Bejaia, Algeria
| | - Hamza Boucenna
- Department of Pediatrics A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Fadila Bouferoua
- Department of Pediatrics A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Lynda Sekfali
- Department of Pediatrics A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Nadjet Bouhafs
- Department of Pediatrics, Bab El Oued University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Rawda Aboura
- Department of Pediatrics, Bab El Oued University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Sakina Kherra
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Yacine Inouri
- Department of Pediatrics, Central Hospital of the Army, University of Algiers 1, Algiers, Algeria
| | - Saadeddine Dib
- Department of Pediatrics, Mother & Child Hospital of Tlemcen, University of Tlemcen, Tlemcen, Algeria
| | - Nawel Medouri
- Department of Pediatrics, Saida Public Hospital Institution, Saida, Algeria
| | | | - Aicha Redjedal
- Department of Pediatrics, Saida Public Hospital Institution, Saida, Algeria
| | - Amara Zelaci
- Department of Pediatrics, El Oued Public Hospital Institution, El Oued, Algeria
| | - Samah Yahiaoui
- Department of Pediatrics, Barika Public Hospital Institution, Batna, Algeria
| | - Sihem Medjadj
- Department of Pediatrics, Ghardaia Public Hospital Institution, Ghardaia, Algeria
| | | | - Ahmed Kadi
- Department of Pneumology A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Fouzia Amireche
- Department of Pediatrics, Mother & Child Hospital of EL Mansourah, University of Constantine 3, Constantine, Algeria
| | - Imane Frada
- Department of Pediatrics, Biskra Public Hospital Institution, Biskra, Algeria
| | - Shahrazed Houasnia
- Department of Pediatrics, El Harrouche Public Hospital Institution, Skikda, Algeria
| | - Karima Benarab
- Department of Pediatrics, Tizi Ouzou University Hospital Center, University of Tizi Ouzou, Tizi Ouzou, Algeria
| | - Chahynez Boubidi
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Yacine Ferhani
- Department of Pediatrics, Mustapha Pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Hayet Benalioua
- Department of Pediatrics, Mustapha Pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Samia Sokhal
- Department of Pediatrics, Mustapha Pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Nadia Benamar
- Department of Pediatrics, Tighennif Public Hospital Institution, Mascara, Algeria
| | - Samira Aggoune
- Department of Pediatrics, El-Harrach Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Karima Hadji
- Department of Pediatrics, Ain Oulmene Public Hospital Institution, Setif, Algeria
| | - Asma Bellouti
- Department of Pediatrics, Ain Azel Public Hospital Institution, Setif, Algeria
| | - Hakim Rahmoune
- Department of Pediatrics, Setif University Hospital Center, University of Setif 1, Setif, Algeria
| | - Nada Boutrid
- Department of Pediatrics, Setif University Hospital Center, University of Setif 1, Setif, Algeria
| | - kamelia Okka
- Department of Pediatrics, Setif University Hospital Center, University of Setif 1, Setif, Algeria
| | - Assia Ammour
- Department of Pediatrics, Mother & Child Hospital of Touggourt, Touggourt, Algeria
| | - Houssem Saadoune
- Department of Pneumology, Mila Public Hospital Institution, Mila, Algeria
| | - Malika Amroun
- Department of Pediatrics, Central Hospital of the Army, University of Algiers 1, Algiers, Algeria
| | - Hayet Belhadj
- Department of Pediatrics, Central Hospital of the Army, University of Algiers 1, Algiers, Algeria
| | - Amina Ghanem
- Department of Pediatrics, Khenchela Public Hospital Institution, Khenchela, Algeria
| | - Hanane Abbaz
- Department of Pediatrics, Khenchela Public Hospital Institution, Khenchela, Algeria
| | - Sana Boudrioua
- Department of Pediatrics, El Khroub Public Hospital Institution, Constantine, Algeria
| | - Besma Zebiche
- Department of Pediatrics, Kolea Public Hospital Institution, Tipaza, Algeria
| | - Assia Ayad
- Department of Pediatrics, Kolea Public Hospital Institution, Tipaza, Algeria
| | - Zahra Hamadache
- Department of Pediatrics, Kolea Public Hospital Institution, Tipaza, Algeria
| | - Nassima Ouaras
- Department of Infectious Diseases, EL Kettar Specialized Hospital, University of Algiers 1, Algiers, Algeria
| | - Nassima Achour
- Department of Infectious Diseases, EL Kettar Specialized Hospital, University of Algiers 1, Algiers, Algeria
| | - Nadira Bouchair
- Department of Pediatrics, Annaba University Hospital Center, University of Annaba, Annaba, Algeria
| | - Houda Boudiaf
- Department of Pediatric Oncology, Mustapha pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Dahila Bekkat-Berkani
- Department of Pediatrics, Bologhine Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Hachemi Maouche
- Department of Pediatrics, El-Harrach Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Zahir Bouzrar
- Department of Pediatrics, Bab El Oued University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Lynda Aissat
- Department of Pediatrics, Mother & Child Hospital of Tipaza, University of Blida, Algiers, Algeria
| | - Ouardia Ibsaine
- Department of Pediatrics, Ain Taya Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Belkacem Bioud
- Department of Pediatrics, Setif University Hospital Center, University of Setif 1, Setif, Algeria
| | - Leila Kedji
- Department of Pediatrics, Blida University Hospital Center, University of Blida, Blida, Algeria
| | - Djazia Dahlouk
- Department of Pediatrics, Central Hospital of the Army, University of Algiers 1, Algiers, Algeria
| | - Manoubia Bensmina
- Department of Pediatrics B, Douera University Hospital Center, University of Blida, Algiers, Algeria
| | - Abdelkarim Radoui
- Department of Pediatric Pneumo-Allergology, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Mimouna Bessahraoui
- Department of Pediatric Gastroenterology and Nutrition, Canastel Children’s Hospital, University of Oran, Oran, Algeria
| | - Nadia Bensaadi
- Department of Pediatrics, Tizi Ouzou University Hospital Center, University of Tizi Ouzou, Tizi Ouzou, Algeria
| | - Azzeddine Mekki
- Department of Pediatrics B, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Zoulikha Zeroual
- Department of Pediatrics A, Hussein Dey University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Koon-Wing Chan
- Department of Pediatrics and Adolescent Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Daniel Leung
- Department of Pediatrics and Adolescent Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Amar Tebaibia
- Department of Internal Medicine, El Biar Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Soraya Ayoub
- Department of Internal Medicine, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Dalila Mekideche
- Department of Pneumology B, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Merzak Gharnaout
- Department of Pneumology A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Jean Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Hospital for Sick Children, INSERM UMR 1163, Paris, France
- Imagine Institute, University of Paris, Paris, France
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller University, New York, NY, United States
- Howard Hughes Medical Institute, New York, NY, United States
| | - Anne Puel
- Laboratory of Human Genetics of Infectious Diseases, Necker Hospital for Sick Children, INSERM UMR 1163, Paris, France
- Imagine Institute, University of Paris, Paris, France
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller University, New York, NY, United States
| | - Yu Lung Lau
- Department of Pediatrics and Adolescent Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Nacira Cherif
- Department of Pediatrics B, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Samir Ladj
- Department of Pediatrics, El Biar Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Leila Smati
- Department of Pediatrics, Bologhine Public Hospital Institution, University of Algiers 1, Algiers, Algeria
| | - Rachida Boukari
- Department of Pediatrics, Mustapha Pacha University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Nafissa Benhalla
- Department of Pediatrics A, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
| | - Reda Djidjik
- Department of Medical Immunology, Beni Messous University Hospital Center, University of Algiers 1, Algiers, Algeria
- *Correspondence: Reda Djidjik,
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Mitsui-Sekinaka K, Sekinaka Y, Endo A, Imai K, Nonoyama S. The Primary Immunodeficiency Database in Japan. Front Immunol 2022; 12:805766. [PMID: 35082792 PMCID: PMC8786595 DOI: 10.3389/fimmu.2021.805766] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/15/2021] [Indexed: 01/10/2023] Open
Abstract
The Primary Immunodeficiency Database in Japan (PIDJ) is a registry of primary immunodeficiency diseases (PIDs) that was established in 2007. The database is a joint research project with research groups associated with the Ministry of Health, Labor and Welfare; the RIKEN Research Center for Allergy and Immunology (RCAI); and the Kazusa DNA Research Institute (KDRI). The PIDJ contains patient details, including the age, sex, clinical and laboratory findings, types of infections, genetic analysis results, and treatments administered. In addition, web-based case consultation is also provided. The PIDJ serves as a database for patients with PIDs and as a patient consultation service connecting general physicians with PID specialists and specialized hospitals. Thus, the database contributes to investigations related to disease pathogenesis and the early diagnosis and treatment of patients with PIDs. In the 9 years since the launch of PIDJ, 4,481 patients have been enrolled, of whom 64% have been subjected to genetic analysis. In 2017, the Japanese Society for Immunodeficiency and Autoinflammatory Diseases (JSIAD) was established to advance the diagnosis, treatment, and research in the field of PIDs and autoinflammatory diseases (AIDs). JSIAD promotes the analysis of the pathogenesis of PIDs and AIDs, enabling improved patient care and networking via the expansion of the database and construction of a biobank obtained from the PIDJ. The PIDJ was upgraded to “PIDJ ver.2” in 2019 by JSIAD. Currently, PIDJ ver.2 is used as a platform for epidemiological studies, genetic analysis, and pathogenesis evaluation for PIDs and AIDs.
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Affiliation(s)
| | - Yujin Sekinaka
- Department of Pediatrics, National Defense Medical College, Saitama, Japan
| | - Akifumi Endo
- Department of Pediatrics and Clinical Research Center, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kohsuke Imai
- Department of Community Pediatrics, Perinatal and Maternal Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shigeaki Nonoyama
- Department of Pediatrics, National Defense Medical College, Saitama, Japan
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Eddens T, Mack M, McCormick M, Chong H, Kalpatthi R. Trends in Pediatric Primary Immunodeficiency: Incidence, Utilization, Transplantation, and Mortality. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:286-296.e3. [PMID: 34718217 PMCID: PMC8961698 DOI: 10.1016/j.jaip.2021.10.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/01/2021] [Accepted: 10/14/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Primary immunodeficiency disorders (PIDDs) describe a myriad of diseases caused by inherited defects within the immune system. As the number of identified genetic defects associated with PIDDs increases, understanding the incidence and outcomes of PIDD patients becomes imperative. OBJECTIVE To characterize the frequency of new diagnoses, patterns of health care utilization, rates of hematopoietic stem cell transplantation (HSCT), and mortality in pediatric patients with PIDDs. METHODS A retrospective cohort analysis of the Pediatric Health Information System database from 2004 to 2018 for pediatric inpatients with an International Classification of Diseases, Ninth and 10th Revisions (ICD-9/ICD-10). code associated with PIDD. RESULTS A total of 17,234 patients with a PIDD were hospitalized from 2004 to 2018. There were 2.8 new PIDD diagnoses and 6.3 PIDD hospitalizations per 1,000 discharges; these metrics were unchanged during the study period. The number of new diagnoses for B-cell and antibody defects significantly increased over time. The number of new PIDD diagnoses significantly increased in adolescents or adults and decreased in infants. T-cell disorders had the highest number of intensive care unit admissions. There were 747 PIDD patients who underwent HSCT; complications of HSCT significantly decreased over time. Mortality rates significantly decreased in all PIDD patients and in patients receiving HSCT. CONCLUSIONS The total hospitalizations and incidence of PIDDs within the hospitalized pediatric population were unchanged. There were significant changes in the class of PIDD diagnosed, the age at diagnosis, and health care utilization metrics. Mortality significantly decreased over time within the PIDD cohort.
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Affiliation(s)
- Taylor Eddens
- Pediatric Scientist Development Program, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pa,Department of Allergy and Immunology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pa
| | - Molly Mack
- Pediatric Residency Program, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pa
| | - Meghan McCormick
- Department of Hematology and Oncology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pa
| | - Hey Chong
- Department of Allergy and Immunology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pa
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DInur-Schejter Y, Stepensky P. Social determinants of health and primary immunodeficiency. Ann Allergy Asthma Immunol 2021; 128:12-18. [PMID: 34628007 DOI: 10.1016/j.anai.2021.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Inborn errors of immunity (IEI) are rare genetic conditions affecting the immune system. The rate of IEI and their presentation, course, and treatment are all affected by a multitude of social determinants, eventually affecting prognosis. This review summarizes the current knowledge of the social determinants affecting infectious susceptibility, genetic predisposition, diagnosis, and treatment of IEI. DATA SOURCES PubMed. STUDY SELECTIONS Search terms included "consanguinity," "social determinants," and "founder effect." Further studies were selected based on relevant citations. RESULTS Changes in climate and human behavior have modulated the spread of disease vectors and infectious organisms. Consanguinity increases the rate of autosomal recessive conditions, changes the distribution, and affects the severity of IEI. Access to sophisticated genetic and immunologic diagnostic modalities affects genetic counseling and timely diagnosis. Effective genetic counseling should address to the patient's genetic background and ethical code. Access to appropriate and timely treatment of immunodeficiencies is scarce in some regions of the world. CONCLUSION High consanguinity rate and reduced access to prophylactic measures increase the burden of immunodeficiencies in many low- and medium-income countries. Furthermore, poor access to diagnostic and treatment modalities in these regions adversely affects patients' prognosis. Increased awareness among health care professionals and the public and increased collaboration with Western countries aid in diagnosis of these conditions. Further advancements require improved public funding to the prevention, diagnosis, and treatment of IEI.
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Affiliation(s)
- Yael DInur-Schejter
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel; Department of Bone Marrow Transplantation and Cancer Immunotherapy, Hadassah Ein Kerem Medical Center, Jerusalem, Israel.
| | - Polina Stepensky
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel; Department of Bone Marrow Transplantation and Cancer Immunotherapy, Hadassah Ein Kerem Medical Center, Jerusalem, Israel
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8
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Abolhassani H, Azizi G, Sharifi L, Yazdani R, Mohsenzadegan M, Delavari S, Sohani M, Shirmast P, Chavoshzadeh Z, Mahdaviani SA, Kalantari A, Tavakol M, Jabbari-Azad F, Ahanchian H, Momen T, Sherkat R, Sadeghi-Shabestari M, Aleyasin S, Esmaeilzadeh H, Al-Herz W, Bousfiha AA, Condino-Neto A, Seppänen M, Sullivan KE, Hammarström L, Modell V, Modell F, Quinn J, Orange JS, Aghamohammadi A. Global systematic review of primary immunodeficiency registries. Expert Rev Clin Immunol 2021; 16:717-732. [PMID: 32720819 DOI: 10.1080/1744666x.2020.1801422] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION During the last 4 decades, registration of patients with primary immunodeficiencies (PID) has played an essential role in different aspects of these diseases worldwide including epidemiological indexes, policymaking, quality controls of care/life, facilitation of genetic studies and clinical trials as well as improving our understanding about the natural history of the disease and the immune system function. However, due to the limitation of sustainable resources supporting these registries, inconsistency in diagnostic criteria and lack of molecular diagnosis as well as difficulties in the documentation and designing any universal platform, the global perspective of these diseases remains unclear. AREAS COVERED Published and unpublished studies from January 1981 to June 2020 were systematically reviewed on PubMed, Web of Science and Scopus. Additionally, the reference list of all studies was hand-searched for additional studies. This effort identified a total of 104614 registered patients and suggests identification of at least 10590 additional PID patients, mainly from countries located in Asia and Africa. Molecular defects in genes known to cause PID were identified and reported in 13852 (13.2% of all registered) patients. EXPERT OPINION Although these data suggest some progress in the identification and documentation of PID patients worldwide, achieving the basic requirement for the global PID burden estimation and registration of undiagnosed patients will require more reinforcement of the progress, involving both improved diagnostic facilities and neonatal screening.
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Affiliation(s)
- Hassan Abolhassani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska Institute at Karolinska University Hospital Huddinge , Stockholm, Sweden
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences , Karaj, Iran
| | - Laleh Sharifi
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Uro-Oncology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Yazdani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran
| | - Monireh Mohsenzadegan
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran
| | - Samaneh Delavari
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Sohani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran
| | - Paniz Shirmast
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran
| | - Zahra Chavoshzadeh
- Pediatric Infections Research Center, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences , Tehran, Iran
| | - Seyed Alireza Mahdaviani
- Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases(NRITLD), Shahid Beheshti University of Medical Sciences , Tehran, Iran
| | - Arash Kalantari
- Department of Immunology and Allergy, Imam Khomeini Hospital, Tehran University of Medical Sciences , Tehran, Iran
| | - Marzieh Tavakol
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences , Karaj, Iran
| | | | - Hamid Ahanchian
- Allergy Research Center, Mashhad University of Medical Sciences , Mashhad, Iran
| | - Tooba Momen
- Department of Allergy and Clinical Immunology, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences , Isfahan, Iran
| | - Roya Sherkat
- Acquired Immunodeficiency Research Center, Lsfahan University of Medical Sciences , Isfahan, Lran
| | - Mahnaz Sadeghi-Shabestari
- Immunology research center of Tabriz, TB and lung research center of Tabriz, Children Hospital, Tabriz University of Medical Science , Tabriz, Iran
| | - Soheila Aleyasin
- Allergy Research Center, Shiraz University of Medical Sciences , Shiraz, Iran
| | | | - Waleed Al-Herz
- Department of Pediatrics, Kuwait University , Kuwait City, Kuwait.,Allergy and Clinical Immunology Unit, Department of Pediatrics, Al-Sabah Hospital , Kuwait City, Kuwait
| | - Ahmed Aziz Bousfiha
- Laboratoire d'Immunologie Clinique, d'Inflammation Et d'Allergie LICIA, Faculty of Medicine and Pharmacy, Hassan II University , Casablanca, Morocco.,Clinical Immunology Unit, Casablanca Children's Hospital, Ibn Rochd Medical School, Hassan II University , Casablanca, Morocco.,The African Society for Immunodeficiencies (ASID) Registry
| | - Antonio Condino-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo , São Paulo, Brazil.,The Latin American Society for Immunodeficiencies (LASID) Registry
| | - Mikko Seppänen
- Adult Immunodeficiency Unit, Infectious Diseases, Inflammation Center, University of Helsinki and Helsinki University Hospital , Helsinki, Finland.,Rare Disease Center and Pediatric Research Center, Children's Hospital, University of Helsinki and Helsinki University Hospital , Helsinki, Finland.,European Society for Immunodeficiencies (ESID) Registry
| | - Kathleen E Sullivan
- Division of Allergy Immunology, Department of Pediatrics, The Children's Hospital of Philadelphia , Philadelphia, PA, USA.,The United States Immunodeficiency Network (USIDNET) Registry
| | - Lennart Hammarström
- Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska Institute at Karolinska University Hospital Huddinge , Stockholm, Sweden
| | - Vicki Modell
- Jeffrey Modell Foundation (JMF) , New York City, NY, USA
| | - Fred Modell
- Jeffrey Modell Foundation (JMF) , New York City, NY, USA
| | - Jessica Quinn
- Jeffrey Modell Foundation (JMF) , New York City, NY, USA
| | - Jordan S Orange
- Jeffrey Modell Foundation (JMF) , New York City, NY, USA.,Department of Pediatrics, Columbia University College of Physicians and Surgeons , New York, NY, USA
| | - Asghar Aghamohammadi
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences , Tehran, Iran.,Iranian Primary Immunodeficiencies Network (IPIN), Tehran University of Medical Science , Tehran, Iran.,Asia Pacific Society for Immunodeficiencies (APSID) Registry
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9
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Boton Pereira DH, Primo LS, Pelizari G, Flores E, de Moraes-Vasconcelos D, Condino-Neto A, Prestes-Carneiro LE. Primary Immunodeficiencies in a Mesoregion of São Paulo, Brazil: Epidemiologic, Clinical, and Geospatial Approach. Front Immunol 2020; 11:862. [PMID: 32477349 PMCID: PMC7235164 DOI: 10.3389/fimmu.2020.00862] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 04/15/2020] [Indexed: 12/31/2022] Open
Abstract
Background: Primary immunodeficiencies (PIDs) are rare genetic disorders leading to immunologic abnormalities that can affect different organs and systems. We determined the epidemiology, clinical, and geospatial characteristics of PID disorders among patients diagnosed over a 5 year period in a reference hospital covering a mesoregion in São Paulo, Brazil. Methods: A retrospective analysis of 39 patients with recognizable PIDs according to the criteria of the European Society of Primary Immunodeficiencies were enrolled. Thirty-four patients came from outpatient immunodeficiency clinics and five patients from active search. Demographic, clinical, and immunologic data were collected, and maps were constructed using a geographic information system. Results: The ratio of females to males was 1.4:1, and 48.7% of patients were younger than 17 years of age. The mean age at the onset of symptoms in children was 2.0 years [standard error of the mean (SEM), 1.7 years] and the diagnosis lag was 5.1 years (SEM, 3.1 years); the mean age at diagnosis in adults was 16.3 years (SEM, 11.8 years) and the lag was 10.8 years (SEM, 10.9 years). Antibody deficiency and common variable immunodeficiencies were the most common categories and phenotypes, respectively. The need for intravenous antibiotics and respiratory tract infections were the most prevalent warning signs, with an overall mortality rate of 15.3%. Autoimmune diseases were diagnosed in 56.4% and visceral leishmaniasis in 5.1% of patients. In the active search, 29 patients were investigated and 17.2% were diagnosed; early diagnosis, the involvement of multidisciplinary professionals, and dissemination of knowledge achieved milestone benefits. The distribution of PID networks in Brazil shows great asymmetry between regions and at a regional level; it was shown that the patients lived mainly in Presidente Prudente municipality. Conclusions: The implementation of an immunodeficiency outpatient clinic in a referral hospital covering a mesoregion with a large population has led to the generation of policies and practices to improve the diagnosis, quality of life, and care of patients with PIDs and their families. Furthermore, the search for hospitalized patients with warning signs for PIDs showed great benefits. Inequality in the distribution of PID network centers in Brazil was demonstrated.
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Affiliation(s)
| | - Lívia Souza Primo
- Imunnodeficiencies Outpatient Clinic, Regional Hospital of Presidente Prudente, Presidente Prudente, Brazil
| | - Giovana Pelizari
- Department of Pediatrics, Oeste Paulista University, Presidente Prudente, Brazil
| | - Edilson Flores
- Department of Statistics, Paulista State University, Presidente Prudente, Brazil
| | - Dewton de Moraes-Vasconcelos
- Laboratory of Medical Investigation Unit 56, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Antonio Condino-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Luiz Euribel Prestes-Carneiro
- Imunnodeficiencies Outpatient Clinic, Regional Hospital of Presidente Prudente, Presidente Prudente, Brazil.,Department of Internal Medicine, Oeste Paulista University, Presidente Prudente, Brazil
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10
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Global perspectives on primary immune deficiency diseases. STIEHM'S IMMUNE DEFICIENCIES 2020. [PMCID: PMC7258797 DOI: 10.1016/b978-0-12-816768-7.00054-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Linares NA, Bouchard M, Gutiérrez NS, Colmenares M, Cantor-Garcia A, Gabaldon-Figueira JC, Bellorin AV, Rujano B, Peterson DL, Salmen S. Immunological features in pediatric patients with recurrent and severe infection: Identification of Primary Immunodeficiency Diseases in Merida, Venezuela. Allergol Immunopathol (Madr) 2019; 47:437-448. [PMID: 31371133 DOI: 10.1016/j.aller.2019.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 01/26/2019] [Accepted: 02/07/2019] [Indexed: 11/16/2022]
Abstract
INTRODUCTION AND OBJECTIVES Primary immunodeficiency diseases (PIDs) are disorders associated mainly with recurrent and severe infection and an increase in susceptibility to autoimmune conditions and cancer. In Venezuela, PIDs are underdiagnosed and there is usually a delay in their diagnosis. Hence there are no data concerning the frequency and type of PIDs that occur. The aim of this study was to identify and quantify the types of PIDs that occur in Merida, a population within Venezuela. PATIENTS OR MATERIALS AND METHODS Following an informative program designed to alert local health professionals to the warning signs for PIDs, patients with a history of recurrent infections were referred to the Instituto de Inmunologia Clinica, Universidad de Los Andes. RESULTS AND CONCLUSIONS During the three-year period January 2014 to January 2017, thirty-two cases of PIDs were identified in pediatric patients, and 17 different types of PIDs, were identified. Predominantly antibody deficiencies were most frequent (40.6%), followed by immunodeficiencies affecting cellular and humoral immunity (21.8%), congenital defects of phagocyte (18.7%), CID with associated or syndromic features (9.3%), defects in intrinsic and innate immunity (6.4%) and diseases of immune dysregulation (3.2%). These results have important implications not only to the future approach for management of patients in our regions, but add important knowledge concerning PIDs in Latin America and worldwide.
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Affiliation(s)
- N A Linares
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - M Bouchard
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - N S Gutiérrez
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - M Colmenares
- Centro de Microscopía Electrónica "Dr Ernesto Palacios Prü". Universidad de Los Andes, Mérida, Venezuela
| | - A Cantor-Garcia
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - J C Gabaldon-Figueira
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - A V Bellorin
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela
| | - B Rujano
- Departamento de Pediatría, Instituto Autónomo Hospital Universitario de Los Andes, Merida, Venezuela
| | - D L Peterson
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA, USA
| | - S Salmen
- Instituto de Inmunología Clínica, Facultad de Medicina, Universidad de Los Andes, Merida, Venezuela.
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12
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Amaya-Uribe L, Rojas M, Azizi G, Anaya JM, Gershwin ME. Primary immunodeficiency and autoimmunity: A comprehensive review. J Autoimmun 2019; 99:52-72. [PMID: 30795880 DOI: 10.1016/j.jaut.2019.01.011] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/24/2019] [Accepted: 01/28/2019] [Indexed: 02/06/2023]
Abstract
The primary immunodeficiency diseases (PIDs) include many genetic disorders that affect different components of the innate and adaptive responses. The number of distinct genetic PIDs has increased exponentially with improved methods of detection and advanced laboratory methodology. Patients with PIDs have an increased susceptibility to infectious diseases and non-infectious complications including allergies, malignancies and autoimmune diseases (ADs), the latter being the first manifestation of PIDs in several cases. There are two types of PIDS. Monogenic immunodeficiencies due to mutations in genes involved in immunological tolerance that increase the predisposition to develop autoimmunity including polyautoimmunity, and polygenic immunodeficiencies characterized by a heterogeneous clinical presentation that can be explained by a complex pathophysiology and which may have a multifactorial etiology. The high prevalence of ADs in PIDs demonstrates the intricate relationships between the mechanisms of these two conditions. Defects in central and peripheral tolerance, including mutations in AIRE and T regulatory cells respectively, are thought to be crucial in the development of ADs in these patients. In fact, pathology that leads to PID often also impacts the Treg/Th17 balance that may ease the appearance of a proinflammatory environment, increasing the odds for the development of autoimmunity. Furthermore, the influence of chronic and recurrent infections through molecular mimicry, bystander activation and super antigens activation are supposed to be pivotal for the development of autoimmunity. These multiple mechanisms are associated with diverse clinical subphenotypes that hinders an accurate diagnosis in clinical settings, and in some cases, may delay the selection of suitable pharmacological therapies. Herein, a comprehensively appraisal of the common mechanisms among these conditions, together with clinical pearls for treatment and diagnosis is presented.
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Affiliation(s)
- Laura Amaya-Uribe
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Manuel Rojas
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Doctoral Program in Biomedical Sciences, Universidad Del Rosario, Bogota, Colombia
| | - Gholamreza Azizi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - M Eric Gershwin
- Division of Rheumatology, Allergy and Clinical Immunology, University of California Davis, School of Medicine, Davis, CA, USA.
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Ortiz-Polanco SP, Castañeda-Uvajoa DM, Vega MR, Salgado DMC, Narváez CF, Rodríguez JA. Inmunodeficiencia combinada severa (SCID) en Neiva, Colombia. Reporte de caso. REVISTA DE LA FACULTAD DE MEDICINA 2019. [DOI: 10.15446/revfacmed.v67n1.56918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introducción. Las inmunodeficiencias primarias son enfermedades genéticas del sistema inmune que incrementan la susceptibilidad a infecciones. Una de las formas más graves en niños es la inmunodeficiencia combinada severa.Presentación del caso. Se presenta el caso de un niño que fue diagnosticado con inmunodeficiencia combinada severa; este era un paciente masculino de ocho meses que presentó cuadro clínico consistente en múltiples hospitalizaciones debido a infección por citomegalovirus, endocarditis por Candida albicans e infección recurrente de las vías urinarias por Pseudomonas aeruginosa.El perfil inmunológico mostró disminución del número absoluto de células CD3+ y CD19+, lo que permitió realizar el diagnóstico de inmunodeficiencia combinada severa instaurándose manejo; sin embargo, el niño no se recuperó y falleció.Conclusiones. Las inmunodeficiencias primarias son patologías que requieren una intervención oportuna que permita brindar un mejor pronóstico a los pacientes.
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Asar S, Abolnezhadian F, Saki N, Nikakhlagh S, Safavi E. The relative frequency of primary immunodeficiency diseases in pediatric patients with recurrent sinusitis and otitis media. ELECTRONIC JOURNAL OF GENERAL MEDICINE 2018. [DOI: 10.29333/ejgm/102413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Transplantation of Hematopoietic Stem Cells for Primary Immunodeficiencies in Brazil: Challenges in Treating Rare Diseases in Developing Countries. J Clin Immunol 2018; 38:917-926. [PMID: 30470982 DOI: 10.1007/s10875-018-0564-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 10/18/2018] [Indexed: 12/21/2022]
Abstract
The results of hematopoietic stem cell transplant (HSCT) for primary immunodeficiency diseases (PID) have been improving over time. Unfortunately, developing countries do not experience the same results. This first report of Brazilian experience of HSCT for PID describes the development and results in the field. We included data from transplants in 221 patients, performed at 11 centers which participated in the Brazilian collaborative group, from July 1990 to December 2015. The majority of transplants were concentrated in one center (n = 123). The median age at HSCT was 22 months, and the most common diseases were severe combined immunodeficiency (SCID) (n = 67) and Wiskott-Aldrich syndrome (WAS) (n = 67). Only 15 patients received unconditioned transplants. Cumulative incidence of GVHD grades II to IV was 23%, and GVHD grades III to IV was 10%. The 5-year overall survival was 71.6%. WAS patients had better survival compared to other diseases. Most deaths (n = 53) occurred in the first year after transplantation mainly due to infection (55%) and GVHD (13%). Although transplant for PID patients in Brazil has evolved since its beginning, we still face some challenges like delayed diagnosis and referral, severe infections before transplant, a limited number of transplant centers with expertise, and resources for more advanced techniques. Measures like newborn screening for SCID may hasten the diagnosis and ameliorate patients' conditions at the moment of transplant.
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Prevalence and Outcomes of Primary Immunodeficiency in Hospitalized Children in the United States. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2018; 6:1705-1710.e1. [DOI: 10.1016/j.jaip.2017.12.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 11/30/2017] [Accepted: 12/05/2017] [Indexed: 11/24/2022]
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17
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Stonebraker JS, Hajjar J, Orange JS. Latent therapeutic demand model for the immunoglobulin replacement therapy of primary immune deficiency disorders in the USA. Vox Sang 2018; 113:430-440. [PMID: 29675923 DOI: 10.1111/vox.12651] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 02/06/2018] [Accepted: 03/05/2018] [Indexed: 01/19/2023]
Abstract
BACKGROUND AND OBJECTIVES Our research aim is to model latent therapeutic demand (LTD) for the immunoglobulin replacement therapy (IgGRT) of primary immune deficiency disorders (PIDDs) in the USA. Given the high level of variability of IgGRT use and major differences among American and European practices in the management of patients with PIDDs, we develop a USA-specific LTD model for common variable immune deficiency (CVID), hyper IGM syndrome, severe combined immune deficiency, Wiskott-Aldrich syndrome and X-linked agammaglobulinemia (XLA). METHODS AND MATERIALS We use decision analysis methods to model the underlying IgGRT demand for PIDDs by assessing USA-specific epidemiology and treatment. Data for the epidemiology and treatment variables were obtained from the medical literature, USIDNET and Immune Deficiency Foundation. The uncertainty surrounding the variables was modelled using probability distributions and evaluated using Monte Carlo simulation. RESULTS The mean treatment dose from USIDNET and European Society for Immunodeficiencies (ESID) was significantly different for treating CVID, and the number of annual infusions from USIDNET and ESID was significantly different for treating CVID and XLA. The mean and standard deviation of LTD for all PIDDs is 105·1 ± 88·5 g per 1000 population, with CVID contributing the most to LTD. CONCLUSION Estimating country-specific LTD is important to ensure an adequate supply of IgGRT and an optimal treatment for patients with PIDDs and for improving national healthcare policymaking and production planning.
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Affiliation(s)
- J S Stonebraker
- Department of Business Management, Poole College of Management, North Carolina State University, Raleigh, NC, USA
| | - J Hajjar
- Section of Immunology, Allergy and Rheumatology, Texas Children's Hospital, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - J S Orange
- Section of Immunology, Allergy and Rheumatology, Texas Children's Hospital, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
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Goudouris ES, Rego Silva AMD, Ouricuri AL, Grumach AS, Condino-Neto A, Costa-Carvalho BT, Prando CC, Kokron CM, Vasconcelos DDM, Tavares FS, Silva Segundo GR, Barreto IC, Dorna MDB, Barros MA, Forte WCN. II Brazilian Consensus on the use of human immunoglobulin in patients with primary immunodeficiencies. EINSTEIN-SAO PAULO 2017; 15:1-16. [PMID: 28444082 PMCID: PMC5433300 DOI: 10.1590/s1679-45082017ae3844] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 01/04/2017] [Indexed: 12/18/2022] Open
Abstract
In the last few years, new primary immunodeficiencies and genetic defects have been described. Recently, immunoglobulin products with improved compositions and for subcutaneous use have become available in Brazil. In order to guide physicians on the use of human immunoglobulin to treat primary immunodeficiencies, based on a narrative literature review and their professional experience, the members of the Primary Immunodeficiency Group of the Brazilian Society of Allergy and Immunology prepared an updated document of the 1st Brazilian Consensus, published in 2010. The document presents new knowledge about the indications and efficacy of immunoglobulin therapy in primary immunodeficiencies, relevant production-related aspects, mode of use (routes of administration, pharmacokinetics, doses and intervals), adverse events (major, prevention, treatment and reporting), patient monitoring, presentations available and how to have access to this therapeutic resource in Brazil.
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Affiliation(s)
| | | | | | | | | | | | | | - Cristina Maria Kokron
- Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | | | | | | | | | - Mayra de Barros Dorna
- Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Myrthes Anna Barros
- Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
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Yáñez L, Lama P, Rivacoba C, Zamorano J, Marinovic MA. [Primary immunodeficiencies in seriously ill children: Report of 3 clinical cases]. ACTA ACUST UNITED AC 2017; 88:136-141. [PMID: 28288231 DOI: 10.1016/j.rchipe.2016.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 07/25/2016] [Indexed: 10/20/2022]
Abstract
Primary immunodeficiency diseases (PID) are congenital disorders secondary to an impaired immune response. Infections, autoimmune disorders, atopy, and lymphoproliferative syndromes are commonly associated with this disorder. OBJECTIVE To present and discuss 3 infants diagnosed with PID. CLINICAL CASES The cases are presented of three patients with PID diagnosed during their first admission to a Paediatric Intensive Critical Care Unit. The first patient, a 4-month-old infant affected by a severe pneumonia, and was diagnosed as a Severe Combined Immunodeficiency Disease. The second patient was an 8-month-old infant with Candida lusitaniae mesenteric adenitis, and diagnosed with a Chronic Granulomatous Disease. The last patient, a 6-month-old infant presented with ecthyma gangrenosum and X-linked agammaglobulinaemia. CONCLUSION PID should be suspected when an infectious disease does not responde to the appropriate therapy within the expected period. An update of each disease is presented.
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Affiliation(s)
- Leticia Yáñez
- Unidad de Paciente Crítico Pediátrico, Clínica Santa María, Santiago, Chile
| | - Pamela Lama
- Unidad de Paciente Crítico Pediátrico, Clínica Santa María, Santiago, Chile
| | - Carolina Rivacoba
- Unidad de Paciente Crítico Pediátrico, Clínica Santa María, Santiago, Chile
| | - Juanita Zamorano
- Unidad de Paciente Crítico Pediátrico, Clínica Santa María, Santiago, Chile
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20
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Mohammadzadeh I, Moazzami B, Ghaffari J, Aghamohammadi A, Rezaei N. Primary immunodeficiency diseases in Northern Iran. Allergol Immunopathol (Madr) 2017; 45:244-250. [PMID: 28237128 DOI: 10.1016/j.aller.2016.11.001] [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: 06/18/2016] [Revised: 10/25/2016] [Accepted: 11/01/2016] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Primary immunodeficiency diseases (PID) are a heterogeneous group of inherited disorders, characterised by recurrent severe infections, autoimmunity and lymphoproliferation. Despite impressive progress in identification of novel PID, there is an unfortunate lack of awareness among physicians in identification of patients with PID, especially in non-capital cities of countries worldwide. RESULT This study was performed in a single-centre paediatric hospital in Northern Iran during a 21-year period (1994-2015). Ninety-four patients were included in this study. The majority of cases had antibody deficiencies (37.23%), followed by well-defined syndromes with immunodeficiency in 16 (17.02%), phagocytic disorders in 15 patients (15.95%), complement deficiencies in 15 patients (15.95%), immunodeficiencies affecting cellular and humoral immunity in nine patients (9.57%), disease of immune dysregulation in three (3.19%), and defects in intrinsic and innate immunity in one (1.06%). CONCLUSION It seems that there are major variations in frequency of different types of PID in different regions of a country. Therefore, reporting local data could provide better ideas to improve the local health care system strategists and quality of care of PID patients.
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Affiliation(s)
- I Mohammadzadeh
- Noncommunicable Pediatric Diseases Research Center, Babol University of Medical Sciences, Babol, Iran; Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Babol, Iran
| | - B Moazzami
- Noncommunicable Pediatric Diseases Research Center, Babol University of Medical Sciences, Babol, Iran; Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Babol, Iran
| | - J Ghaffari
- Department of Pediatrics, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - A Aghamohammadi
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - N Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Boston, MA, USA.
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21
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Incidence of typically Severe Primary Immunodeficiency Diseases in Consanguineous and Non-consanguineous Populations. J Clin Immunol 2017; 37:295-300. [DOI: 10.1007/s10875-017-0378-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 02/27/2017] [Indexed: 01/10/2023]
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Poli C, Hoyos-Bachiloglu R, Borzutzky A. Primary immunodeficiencies in Chile evaluated through ICD-10 coded hospital admissions. Allergol Immunopathol (Madr) 2017; 45:33-39. [PMID: 27576345 DOI: 10.1016/j.aller.2016.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 05/17/2016] [Accepted: 05/27/2016] [Indexed: 01/24/2023]
Abstract
BACKGROUND The epidemiology and hospitalisation trends of primary immunodeficiency (PID) in Chile are unknown. We aimed to evaluate hospitalisation trends and demographic characteristics of PID admissions in Chile. METHODS PID admissions between 2001 and 2010 (ICD-10 codes D70.0, D70.4, D71, 72.0, D76.1, D80-D84, E70.3, G11.3) were reviewed using national hospital discharge databases. RESULTS During the study period, 5486 admissions due to PID were registered (0.03% of total). 58.5% of patients were male and 66.3% were under 18 years. Median length of stay was one day (range 1-403 days). The most frequent diagnoses were hypogammaglobulinaemia (27.6%), unspecified immunodeficiency (21.9%), haemophagocytic lymphohystiocytosis (18.3%) and common variable immunodeficiency (11.2%). There was a significant increase in PID admission rate and in one-day hospitalisations during this period (β=0.2; P=0.001 and β=33; P≤0.001, respectively), however no significant variation was found for longer admissions (β=4.8; P=0.175). The increasing trend in PID admission rate was significant in patients with private, but not public insurance (β=0.53; P≤0.001 vs. β=0.08; P=0.079, respectively). CONCLUSIONS We report an increasing trend in admissions due to PID in Chile over a 10-year period. Increase is mainly due to short hospitalisations, possibly accounting for improvements in IVIG access. Higher admission rates in patients with private vs. public insurance suggest socioeconomic disparities in access to PID treatment. ICD-10 coded hospitalisation databases may be useful to determine hospitalisation trends and demographic characteristics of PID admissions worldwide.
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Affiliation(s)
- C Poli
- Department of Pediatrics, Faculty of Medicine, Universidad de Chile, Santiago de Chile, Chile; Allergy, Immunology and Rheumatology Unit, Hospital Dr. Roberto del Río, Independencia, Región Metropolitana, Santiago de Chile, Chile
| | - R Hoyos-Bachiloglu
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile; Millennium Institute on Immunology and Immunotherapy, School of Medicine, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | - A Borzutzky
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile; Millennium Institute on Immunology and Immunotherapy, School of Medicine, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile.
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Sheikhbahaei S, Sherkat R, Roos D, Yaran M, Najafi S, Emami A. Gene mutations responsible for primary immunodeficiency disorders: A report from the first primary immunodeficiency biobank in Iran. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2016; 12:62. [PMID: 27980538 PMCID: PMC5133745 DOI: 10.1186/s13223-016-0166-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 11/14/2016] [Indexed: 12/31/2022]
Abstract
BACKGROUND Primary immunodeficiency (PID) is a heterogeneous group of inheritable genetic disorders with increased susceptibility to infections, autoimmunity, uncontrolled inflammation and malignancy. Timely precise diagnosis of these patients is very essential since they may not be able to live with their congenital immunity defects; otherwise, they could survive with appropriate treatment. DNA biobanks of such patients could be used for molecular and genetic testing, facilitating the detection of underlying mutations in known genes as well as the discovery of novel genes and pathways. METHODS According to the last update of the International Union of Immunological Societies (IUIS) classification, patients are registered in our biobank during a period of 15 years. All patients' data were collected via questionnaire and their blood samples were taken in order to extract and protect their DNA content. RESULTS Our study comprised 197 patients diagnosed with PID. Antibody deficiency in 50 patients (25.4%), phagocytic defect in 47 patients (23.8%) and combined immunodeficiency with associated/syndromic feature in 19 patients (9.6%) were the most common PID diagnoses, respectively. The most common variant of PID in our study is common variable immunodeficiency, which accounted for 20 cases (10.1%), followed by chronic mucocutaneous candidiasis in 15 patients (7.9%) and congenital neutropenia in 13 patients (7%). Mean age at onset of disease was 4 years and mean age of diagnosis was 9.6 years. The average diagnostic delay was 5.5 years, with a range of 6 months to 46 years. Parental consanguinity and history of PID in family were observed in 70.2 and 48.9% of the patients, respectively. The majority of PID patients (93.3%) were from families with low socioeconomic status. CONCLUSION This prospective study was designed to establish a PID Biobank in order to have a high quality DNA reservoir of these patients, shareable for international diagnostic and therapeutic collaborations. This article emphasizes the need to raise the awareness of society and general practitioners to achieve timely diagnosis of these patients and prevent current mismanagements.
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Affiliation(s)
- Saba Sheikhbahaei
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Science, Khoram St, Isfahan, Iran
| | - Roya Sherkat
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Science, Khoram St, Isfahan, Iran
| | - Dirk Roos
- Sanquin Blood Supply Organization, and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Majid Yaran
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Science, Khoram St, Isfahan, Iran
| | - Somayeh Najafi
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Science, Khoram St, Isfahan, Iran
| | - Alireza Emami
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Science, Khoram St, Isfahan, Iran
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Costa-Carvalho B, González-Serrano M, Espinosa-Padilla S, Segundo G. Latin American challenges with the diagnosis and treatment of primary immunodeficiency diseases. Expert Rev Clin Immunol 2016; 13:483-489. [DOI: 10.1080/1744666x.2017.1255143] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Maria González-Serrano
- Unidad de Investigación en Inmunodeficiencias, Instituto Nacional de Pediatria, Ciudad de Mexico, Mexico
| | - Sara Espinosa-Padilla
- Unidad de Investigación en Inmunodeficiencias, Instituto Nacional de Pediatria, Ciudad de Mexico, Mexico
| | - Gesmar Segundo
- Department of Pediatrics, Federal University of Uberlandia, Uberlandia, Brazil
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25
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Khan TA, Kalsoom K, Iqbal A, Asif H, Rahman H, Farooq SO, Naveed H, Nasir U, Amin MU, Hussain M, Tipu HN, Florea A. A novel missense mutation in the NADPH binding domain of CYBB abolishes the NADPH oxidase activity in a male patient with increased susceptibility to infections. Microb Pathog 2016; 100:163-169. [PMID: 27666509 DOI: 10.1016/j.micpath.2016.09.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 09/11/2016] [Accepted: 09/21/2016] [Indexed: 01/26/2023]
Abstract
Chronic granulomatous disease (CGD) is a primary immunodeficiency caused by mutations in the five structural genes (CYBB, CYBA, NCF1, NCF2, and NCF4) that typically results in a decrease in function or inability to generate a respiratory burst, leading to defective killing of pathogens, including fungi and intracellular bacteria. Mutations in CYBB, encoding the gp91phox (also known as NOX2) result in X-linked CGD account for approximately 65% of CGD cases. Here, we aimed the characterization of a novel missense mutation c.1226C > A/p.A409E in the CYBB gene in a patient with X-linked CGD. Relevant clinical data of a male patient whose family was positive for XCGD was reviewed. Oxidative burst and NADPH protein expression was evaluated by flow cytometry, while Genetic analysis was performed by Sanger sequencing. Monocyte-derived macrophages (MDMs) were evaluated for their capacity for phagocytosis and growth suppression of the intracellular Mycobacterium tuberculosis (M. tuberculosis). We thus report the absence of an oxidative burst in the phagocytes of the patient. Flow cytometry evaluation revealed a normal expression of NADPH oxidase components in neutrophils and genetic analysis proved the existence of a novel missense c.1226C > A mutation in the CYBB gene resulting in p.A409E. Further, we have showed that the patient's MDMs were unhindered in their ability to take up mycobacteria normally. Instead, the MDMs failed to control the intracellular proliferation of M. tuberculosis, a phenotype that improved in the presence of recombinant human interferon-gamma (rhIFN-γ). This work expands the genetic spectrum of X-linked CGD and demonstrates improvement in macrophage function in X91+CGD patient by rhIFN-γ.
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Affiliation(s)
- Taj Ali Khan
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan.
| | - Kalsoom Kalsoom
- Department of Food Science & Technology, University of Agriculture, Peshawar, Pakistan
| | - Asif Iqbal
- Laboratory of Biochemistry and Biophysics, Butantan Institute, Sao Paulo, Brazil
| | - Huma Asif
- Laboratory of Biochemistry and Biophysics, Butantan Institute, Sao Paulo, Brazil
| | - Hazir Rahman
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan
| | - Syed Omar Farooq
- Khyber Medical University, Institute of Medical Sciences, Kohat, Pakistan
| | - Hassan Naveed
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan
| | - Umar Nasir
- Khyber Medical University, Institute of Medical Sciences, Kohat, Pakistan
| | | | - Mubashir Hussain
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan
| | - Hamid Nawaz Tipu
- Department of Immunology, Armed Forces Institute of Pathology, Rawalpindi, Pakistan
| | - Andrei Florea
- The Department of Chemistry, University of Oxford, Oxford, United Kingdom
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Quezada A, Maggi L, Norambuena X, Inostroza J, Quevedo F. Response to pneumococcal polysaccharide vaccine in children with asthma, and children with recurrent respiratory infections, and healthy children. Allergol Immunopathol (Madr) 2016; 44:376-81. [PMID: 27255476 DOI: 10.1016/j.aller.2016.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/11/2016] [Accepted: 01/29/2016] [Indexed: 11/30/2022]
Abstract
BACKGROUND To analyse specific immune response to the 23-valent pneumococcal polysaccharide vaccine by measuring pneumococcal antibodies in children with asthma and with respiratory recurrent infection (RRI) as compared to healthy children. METHODS The study included 60 children, divided into three groups: 20 with asthma, 20 with RRI, and 20 healthy controls. Post-vaccination specific IgG antibodies against 10 pneumococcal serotypes (S1, S3, S4, S5, S6B, S9V, S14, S18C, S19F, and S23F) contained in the 23-valent pneumococcal polysaccharide vaccine (PPV) were measured. A specific IgG concentration ≥1.3μg/mL was considered a protective response to the vaccine. For statistical analysis, levels of specific IgG antibodies against each of the 10 pneumococcal serotypes were compared across the three groups of children using the x(2) test. RESULTS All of the children showed antipneumococcal antibody levels >1.3μg/mL for over 70% of the serotypes, considered within the normal range of response. Average IgG antibody levels and percentages of children protected were statistically comparable among the three groups studied. CONCLUSION The asthmatic children without RRI had pneumococcal antibody levels and percentages of serotype-specific protection to PPV comparable to those of healthy children. Asthmatic children with recurrent infections should be evaluated for specific antibody deficiency (SAD). Because asthma patients are at high risk for invasive pneumococcal infections, it would be worthwhile to explore systematic administration of PPV in children over the age of two years who have not received a pneumococcal conjugate vaccine, considering the positive response to PPV reported here.
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Affiliation(s)
- A Quezada
- Department of Pediatrics, School of Medicine, University of Chile, Santiago de Chile, Chile.
| | - L Maggi
- Department of Pediatrics, School of Medicine, University of Chile, Santiago de Chile, Chile
| | - X Norambuena
- Children's Hospital, Dr. Exequiel Gonzalez Cortes, Santiago de Chile, Chile
| | - J Inostroza
- Clinical Laboratory, University of La Frontera, Temuco, Chile
| | - F Quevedo
- Public Health School University of Chile, Santiago de Chile, Chile
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Alvarez-Cardona A, Espinosa-Padilla SE, Reyes SOL, Ventura-Juarez J, Lopez-Valdez JA, Martínez-Medina L, Santillan-Artolozaga A, Cajero-Avelar A, De Luna-Sosa AR, Torres-Bernal LF, Espinosa-Rosales FJ. Primary Immunodeficiency Diseases in Aguascalientes, Mexico: Results from an Educational Program. J Clin Immunol 2016; 36:173-8. [PMID: 26898367 DOI: 10.1007/s10875-016-0242-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 02/14/2016] [Indexed: 10/22/2022]
Abstract
PURPOSE Primary immunodeficiencies (PIDs) are a heterogeneous group of disorders characterized mainly by recurrent infections. Late diagnosis remains as one of the main issues to solve. We aimed to increase PID diagnosis in Aguascalientes, a 1.3 million inhabitants state in the center of Mexico, and to describe the clinical features of such patients. METHODS We developed an educational program for health personnel and general public; patients with possible PID were referred to a State University clinical center from December 2011 to December 2012. The patients were evaluated at the clinic and their definitive diagnosis pursued through laboratory, molecular and genetic assays. We describe the findings of those patients and analyze the impact of the program in terms of number of referrals. RESULTS After 41 talks and 12 media appearances 151 patients were referred for evaluation. Fifteen (9.9%) were diagnosed with PID: five (33%) had antibody deficiencies, seven (47%) Well-defined syndromes, two (13%) Severe combined Immunodeficiency (SCID) and one case (7%) of an innate immune deficiency. All of the 15 PID patients had been referred by physicians, as opposed to the public. We estimated a "number needed to teach" of 75 physicians to get one PID patient referral. CONCLUSION Educational programs are a fundamental part of the global efforts to increase PID diagnosis and care. To be successful, such programs should include public relations, reach for first-contact physicians, and aim to develop an efficient referral network with molecular diagnostic capability. Enhancing medical knowledge on PID is a successful strategy to improve early diagnosis and treatment.
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Affiliation(s)
| | - Sara Elva Espinosa-Padilla
- Immunodeficiencies Research Unit, a Jeffrey Modell Diagnostic Center at the National Institute of Pediatrics, Mexico City, Mexico
| | - Saul Oswaldo Lugo Reyes
- Immunodeficiencies Research Unit, a Jeffrey Modell Diagnostic Center at the National Institute of Pediatrics, Mexico City, Mexico
| | | | | | | | | | | | | | | | - Francisco J Espinosa-Rosales
- Immunodeficiencies Research Unit, a Jeffrey Modell Diagnostic Center at the National Institute of Pediatrics, Mexico City, Mexico. .,Clinical Immunology and Allergy Unit, National Institute of Pediatrics, Insurgentes sur 3700-C colonia insurgentes cuicuilco, Delegación Coyoacán, México, D.F. 04530.
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28
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Lugo Reyes SO, Ramirez-Vazquez G, Cruz Hernández A, Medina-Torres EA, Ramirez-Lopez AB, España-Cabrera C, Hernandez-Lopez CA, Yamazaki-Nakashimada MA, Espinosa-Rosales FJ, Espinosa-Padilla SE, Murata C. Clinical Features, Non-Infectious Manifestations and Survival Analysis of 161 Children with Primary Immunodeficiency in Mexico: A Single Center Experience Over two Decades. J Clin Immunol 2015; 36:56-65. [PMID: 26707787 DOI: 10.1007/s10875-015-0226-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Accepted: 12/14/2015] [Indexed: 12/19/2022]
Abstract
PURPOSE The hallmark of Primary immunodeficiencies (PID) is unusual infection, although other immunological non-infectious manifestations such as autoimmunity, allergy and cancer are often present. Most published reports focus on one disease or defect groups, so that a global prevalence of non-infectious manifestations of PID is hard to find. We aimed to describe the clinical features of our pediatric patients with PID, as well as the frequency and evolution of allergy, cancer and autoimmunity. METHODS We reviewed all the available charts of patients being followed for PID from 1991 to the spring of 2012 at the National Institute of Pediatrics, Mexico City, to describe their demographic, clinical and laboratory features. Their diagnoses were established by pediatric immunologists in accordance to ESID criteria, including routine immunological workup and specialized diagnostic assays. We divided patients by decade of diagnosis to analyze their survival curves. RESULTS There were 168 charts available, from which we excluded one duplicate and six equivocal diagnoses. We studied the charts of 161 PID patients (68% male, 86% alive), mostly from the center of the country, with a positive family history in 27% and known consanguinity in 11%. Eighty percent of the patients were diagnosed during the last decade. Current median age was 124 months; median age at onset of infections, 12 months; median age at diagnosis, 52 months; median age at death, 67.5 months. Severe infection and bleeding were the cause of 22 deaths. Eighty-six percent of all patients had at least one infection, while non-infectious manifestations had a global prevalence of 36%, namely: autoimmunity 19%, allergies 17%, and cancer 2.4%. Survival curves were not significantly different when compared by decade of diagnosis. CONCLUSIONS Compared to other registry reports, we found a lower prevalence of antibody defects, and of associated allergy and cancer. We could only locate two isolated IgA deficiencies and four cases of cancer among our PID patients. Although antibody defects are the most prevalent group (30%), the distribution we found is similar to that reported in Iran, Kuwait, Egypt and Taiwan, with a close 27% share for phagocyte defects, and 26% for the formerly called "well-defined" syndromes. Of note, autoimmune and inflammatory complications are high among our patients with chronic granulomatous disease, as has been reported in both the United States and Japan, but not in Europe.
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Affiliation(s)
| | | | - Alonso Cruz Hernández
- Clinical Immunology Department, National Institute of Pediatrics, Mexico City, Mexico
| | - Edgar A Medina-Torres
- Immunodeficiencies Research Unit, National Institute of Pediatrics, Mexico City, Mexico
| | | | - Corín España-Cabrera
- Clinical Immunology Department, National Institute of Pediatrics, Mexico City, Mexico
| | | | | | - Francisco J Espinosa-Rosales
- Immunodeficiencies Research Unit, National Institute of Pediatrics, Mexico City, Mexico
- Clinical Immunology Department, National Institute of Pediatrics, Mexico City, Mexico
| | | | - Chiharu Murata
- Research Methodology Department, National Institute of Pediatrics, Mexico City, Mexico.
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Bonilla FA, Barlan I, Chapel H, Costa-Carvalho BT, Cunningham-Rundles C, de la Morena MT, Espinosa-Rosales FJ, Hammarström L, Nonoyama S, Quinti I, Routes JM, Tang MLK, Warnatz K. International Consensus Document (ICON): Common Variable Immunodeficiency Disorders. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2015; 4:38-59. [PMID: 26563668 DOI: 10.1016/j.jaip.2015.07.025] [Citation(s) in RCA: 515] [Impact Index Per Article: 57.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 06/24/2015] [Accepted: 07/24/2015] [Indexed: 02/06/2023]
Affiliation(s)
| | - Isil Barlan
- Marmara University Pendik Education and Research Hospital, Istanbul, Turkey
| | - Helen Chapel
- John Radcliffe Hospital and University of Oxford, Oxford, United Kingdom
| | | | | | - M Teresa de la Morena
- Children's Medical Center and University of Texas Southwestern Medical Center, Dallas, Texas
| | | | | | | | | | - John M Routes
- Children's Hospital of Wisconsin and Medical College of Wisconsin, Milwaukee, Wis
| | - Mimi L K Tang
- Royal Children's Hospital and Murdoch Children's Research Institute, University of Melbourne, Melbourne, Australia
| | - Klaus Warnatz
- University Medical Center Freiburg, Freiburg, Germany
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30
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Report of the Tunisian Registry of Primary Immunodeficiencies: 25-Years of Experience (1988-2012). J Clin Immunol 2015; 35:745-53. [PMID: 26464197 DOI: 10.1007/s10875-015-0206-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 10/05/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE Primary immunodeficiencies (PIDs) are a large group of diseases characterized by susceptibility to not only recurrent infections but also autoimmune diseases and malignancies. The aim of this study was to describe and analyze the distribution, clinical features and eventual outcome of PID among Tunisian patients. METHODS We reviewed the record of 710 patients diagnosed with Primary Immunodeficiency Diseases (PIDs) from the registry of the Tunisian Referral Centre for PIDs over a 25-year period. RESULTS The male-to-female ratio was 1.4. The median age at the onset of symptoms was 6 months and at the time of diagnosis 2 years. The estimated prevalence was 4.3 per 100,000 populations. The consanguinity rate was found in 58.2 % of families. According to the International Union of Immunological Societies classification, spectrums of PIDs were as follows: combined T-cell and B-cell immunodeficiency disorders account for the most common category (28.6 %), followed by congenital defects of phagocyte (25.4 %), other well-defined immunodeficiency syndromes (22.7 %), predominant antibody deficiency diseases (17.7 %), diseases of immune dysregulation (4.8 %), defect of innate immunity (0.4 %) and complement deficiencies (0.4 %). Recurrent infections, particularly lower airway infections (62.3 %), presented the most common manifestation of PID patients. The overall mortality rate was 34.5 %, mainly observed with combined immunodeficiencies. CONCLUSION The distribution of PIDs was different from that reported in Western countries, with a particularly high proportion of Combined Immunodeficiencies and phagocyte defects in number and/or function. More is needed to improve PID diagnosis and treatment in our country.
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Current state and future perspectives of the Latin American Society for Immunodeficiencies (LASID). Allergol Immunopathol (Madr) 2015; 43:493-7. [PMID: 25294607 DOI: 10.1016/j.aller.2014.05.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 05/25/2014] [Indexed: 11/20/2022]
Abstract
Primary immunodeficiencies (PID) are genetic diseases that affect the immune system and for the last 20 years, the Latin American Society for Immunodeficiencies (LASID) has been promoting initiatives in awareness, research, diagnosis, and treatment for the affected patients in Latin America. These initiatives have resulted in the development of programmes such as the LASID Registry (with 4900 patients registered as of January 2014), fellowships in basic and clinical research, PID summer schools, biannual meetings, and scientific reports, amongst others. These achievements highlight the critical role that LASID plays as a scientific organisation in promoting science, research and education in this field in Latin America. However, challenges remain in some of these areas and the Society must envision additional strategies to tackle them for the benefit of the patients. In June 2013, a group of experts in the field met to discuss the contributions of LASID to the initiatives of PID in Latin America, and this article summarises the current state and future perspectives of this society and its role in the advance of PIDs in Latin America.
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Abstract
PURPOSE OF REVIEW We provide an overview on the latest developments in primary immunodeficiency registries worldwide, on the basis of the recent literature amended by some older references to achieve completeness. RECENT FINDINGS New primary immunodeficiency registries are emerging worldwide, although existing databases continue to thrive and provide valuable insights for clinicians and researchers. SUMMARY In the area of rare disease research, data on a meaningful number of patients can only be achieved via collaboration. Registries for primary immunodeficiency are organized on different geographic levels and appear in various technical forms. Some registries are operated within single departments or hospitals, whereas others collect data from a country in the form of a national registry. With modern information technology and networks, it has become feasible to easily extend documentation to the transnational level. Most patient registries cover similar but not identical sets of data, whereas some have a special focus on, for example, genetics or incorporate only data from patients who have undergone a specific form of treatment. This review shows the usefulness and power of international immunodeficiency registries, as well as possible hurdles and limitations.
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Doctors' awareness concerning primary immunodeficiencies in Brazil. Allergol Immunopathol (Madr) 2015; 43:272-8. [PMID: 25796303 DOI: 10.1016/j.aller.2014.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2014] [Revised: 09/25/2014] [Accepted: 09/30/2014] [Indexed: 11/23/2022]
Abstract
BACKGROUND PIDs are a heterogeneous group of genetic illnesses, and delay in their diagnosis is thought to be caused by a lack of awareness among physicians concerning PIDs. The latter is what we aimed to evaluate in Brazil. METHODS Physicians working at general hospitals all over the country were asked to complete a 14-item questionnaire. One of the questions described 25 clinical situations that could be associated with PIDs and a score was created based on percentages of appropriate answers. RESULTS A total of 4026 physicians participated in the study: 1628 paediatricians (40.4%), 1436 clinicians (35.7%), and 962 surgeons (23.9%). About 67% of the physicians had learned about PIDs in medical school or residency training, 84.6% evaluated patients who frequently took antibiotics, but only 40.3% of them participated in the immunological evaluation of these patients. Seventy-seven percent of the participating physicians were not familiar with the warning signs for PIDs. The mean score of correct answers for the 25 clinical situations was 48.08% (±16.06). Only 18.3% of the paediatricians, 7.4% of the clinicians, and 5.8% of the surgeons answered at least 2/3 of these situations appropriately. CONCLUSIONS There is a lack of medical awareness concerning PIDs, even among paediatricians, who have been targeted with PID educational programmes in recent years in Brazil. An increase in awareness with regard to these disorders within the medical community is an important step towards improving recognition and treatment of PIDs.
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Quezada A, Norambuena X, Inostroza J, Rodríguez J. Specific antibody deficiency with normal immunoglobulin concentration in children with recurrent respiratory infections. Allergol Immunopathol (Madr) 2015; 43:292-7. [PMID: 25498324 DOI: 10.1016/j.aller.2014.07.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 07/22/2014] [Accepted: 07/31/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND Response to polysaccharide antigens is a test to evaluate the immunological competence of children with recurrent respiratory infections (RRI) of unknown cause and no other immune system abnormality. In order to detect specific antibody deficiency (SAD), a group of children with RRI without other immunodeficiency were prospectively studied. METHODS We included 20 children (12 male), age range 3-14 years, with six or more annual episodes of respiratory infections (RI); one or more monthly episodes of RI during the winter months; or three or more annual episodes of lower RI. The children were immunised with 23-valent polysaccharide anti-pneumococcal vaccine, and ELISA was used to measure anti-polysaccharide IgG antibody levels for 10 pneumococcal serotypes at baseline (T0), and 45 days (T1) and one year post-immunisation (T2). Post-immunisation response above 1.3 μg/ml for more than 50% of the serotypes was considered normal for children 2-5 years, and for more than 70% of the serotypes in children older than 5 years. RESULTS At T1 19/20 children showed a normal response for their age, and only one patient showed a deficient response, suggestive of classic moderate SAD. At T2, 8/20 patients showed deficient responses, suggestive of impaired persistence of specific antibodies. There was a noteworthy association between deficient response and asthma and allergic rhinitis. CONCLUSIONS We propose first ruling out local or systemic causes, then performing serum immunoglobulin IgM, IgG, IgA, IgE and IgG subclass levels, and finally measuring response to polysaccharide pneumococcal antigens for detection of SAD.
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Yu L, Wang X, Wang Y, Wang J. Identification of two novel mutations in patients with X-linked primary immunodeficiencies. Fetal Pediatr Pathol 2015; 34:91-8. [PMID: 25353698 DOI: 10.3109/15513815.2014.969414] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Primary immunodeficiency diseases (PID) are a heterogeneous group of inherited disorders with defects in one or more component of the immune system. In this study, we analyzed gene mutations in four X-linked PID pedigrees, which include one X- linked agammaglobulinemia (XLA) pedigree, one X-linked chronic granulomatous disease (XCGD) pedigree, and two X-linked Hyper IgM syndrome (XHIGM) pedigrees. Sequence analysis of the BTK gene revealed a novel mutation (c.1802_1803delinsGCC, p.Phe601CysfsX3) which results in the developmental arrest of B cells in the bone marrow. Sequence analysis of the CYBB gene revealed a recurrent frameshift mutation (c.1313_1314delinsT) in exon 10, which generates a premature stop codon (p.Lys438IlefsX63). One novel frameshift mutation (c.114delG, p.Ser39GlnfsX14) and one recurrent missense mutation (c.499G>C, p.Gly167Arg) were found in the CD40LG gene and cause defective T cell functioning. In conclusion, our study identified two novel mutations on the BTK and CD40LG genes in Chinese patients and established accurate and simple genetic diagnostic methods for three X-linked PID.
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Affiliation(s)
- Li Yu
- 1Institutes of Biomedical Sciences, Fudan University , Shanghai , China
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Fahl K, Silva CA, Pastorino AC, Carneiro-Sampaio M, Jacob CMA. [Autoimmune diseases and autoantibodies in pediatric patients and their first-degree relatives with immunoglobulin A deficiency]. REVISTA BRASILEIRA DE REUMATOLOGIA 2015; 55:197-202. [PMID: 25582995 DOI: 10.1016/j.rbr.2014.10.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 08/01/2014] [Accepted: 10/06/2014] [Indexed: 10/24/2022] Open
Abstract
INTRODUCTION Clinical manifestations of Immunoglobulin A Deficiency (IgAD) include recurrent infections, atopy and autoimmune diseases. However, to our knowledge, the concomitant evaluations of autoimmune diseases and autoantibodies in a cohort of IgAD patients with current age > 10 years-old and their relatives have not been assessed. OBJECTIVES To evaluate autoimmune diseases and the presence of autoantibodies in IgAD patients and their first-degree relatives. METHODS A cross-sectional study was performed in 34 IgAD patients (current age > 10 years-old) and their first-degree relatives. All of them were followed at a tertiary Brazilian primary immunodeficiency center: 27 children/adolescents and 7 of their first-degree relatives with a late diagnosis of IgAD. Autoimmune diseases and autoantibodies (antinuclear antibodies, rheumatoid factor, and anti-thyroglobulin, anti-thyroperoxidase and IgA class anti-endomysial antibodies) were also assessed. RESULTS Autoimmune diseases (n=14) and/or autoantibodies (n=10, four of them with isolated autoantibodies) were observed in 18/34 (53%) of the patients and their relatives. The most common autoimmune diseases found were thyroiditis (18%), chronic arthritis (12%) and celiac disease (6%). The most frequent autoantibodies were antinuclear antibodies (2%), anti-thyroglobulin and/or anti-thyroperoxidase (24%). No significant differences were observed in the female gender, age at diagnosis and current age in IgAD patients with and without autoimmune diseases and/or presence of autoantibodies (p>0.05). The frequencies of primary immunodeficiency's in family, autoimmunity in family, atopy and recurrent infections were similar in both groups (p>0.05). CONCLUSION Autoimmune diseases and autoantibodies were observed in IgAD patients during follow-up, reinforcing the necessity of a rigorous and continuous follow-up during adolescence and adulthood.
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Affiliation(s)
- Kristine Fahl
- Unidade de Alergia Pediátrica e Imunologia, Departamento de Pediatria, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Clovis A Silva
- Unidade de Reumatologia Pediátrica, Departamento de Pediatria, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil; Divisão de Reumatologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Antonio C Pastorino
- Unidade de Alergia Pediátrica e Imunologia, Departamento de Pediatria, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Magda Carneiro-Sampaio
- Unidade de Alergia Pediátrica e Imunologia, Departamento de Pediatria, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Cristina M A Jacob
- Unidade de Alergia Pediátrica e Imunologia, Departamento de Pediatria, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.
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Dantas EDO, Aranda CS, Nobre FA, Fahl K, Mazzucchelli JTL, Felix E, Friedlander-Del Nero DL, Nudelman V, Sano F, Condino-Neto A, Damasceno E, Costa-Carvalho BT. Medical awareness concerning primary immunodeficiency diseases in the city of São Paulo, Brazil. EINSTEIN-SAO PAULO 2014; 11:479-85. [PMID: 24488388 PMCID: PMC4880386 DOI: 10.1590/s1679-45082013000400013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 11/07/2013] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To evaluate medical knowledge of primary immunodeficiency in the city of São Paulo (SP). METHODS A 14-item questionnaire about primary immunodeficiency was applied to physicians who worked at general hospitals. One of the questions presented 25 clinical situations that could be associated or not with primary immunodeficiency, and the percentage of appropriate answers generated a knowledge indicator. RESULTS Seven hundred and forty-six participated in the study, among them 215 pediatricians (28.8%), 244 surgeons (32.7%), and 287 clinicians (38.5%). About 70% of the physicians responded that they had learned about primary immunodeficiency in graduate school or in residency training. Treatment of patients that use antibiotics frequently was reported by 75% dos physicians, but only 34.1% had already investigated a patient and 77.8% said they did not know the ten warning signs for primary immunodeficiency. The knowledge indicator obtained showed a mean of 45.72% (±17.87). Only 26.6% if the pediatricians and 6.6% of clinicians and surgeons showed a knowledge indicator of at least 67% (equivalent to an appropriate answer in two thirds of the clinical situations). CONCLUSION There is a deficit in medical knowledge of primary immunodeficiency in the city of São Paulo, even among pediatricians, despite having greater contact with the theme over the last few years. The improvement of information on primary immunodeficiency in the medical community is an important step towards the diagnosis and treatment process of these diseases.
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Kobrynski L, Powell RW, Bowen S. Prevalence and morbidity of primary immunodeficiency diseases, United States 2001-2007. J Clin Immunol 2014; 34:954-61. [PMID: 25257253 DOI: 10.1007/s10875-014-0102-8] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 09/17/2014] [Indexed: 11/25/2022]
Abstract
PURPOSE Few studies have estimated population prevalence and morbidity of primary immunodeficiency diseases (PIDD). We used administrative healthcare databases to estimate the prevalence of PIDD diagnoses in the United States from 2001 to 2007. METHODS MarketScan databases compile claims from commercial health insurance plans and Medicaid, recording individual diagnoses for outpatient encounters and hospital stays. We used a cross sectional survey to estimate prevalence of PIDD using related ICD-9 codes (279.0, 279.1, 279.2, 279.8, 279.9, 288.1 and 288.2). Persons with secondary immunodeficiency diagnoses were excluded from analysis. RESULTS Between 2001 and 2007, prevalence of any PIDD diagnosis increased from 38.9 to 50.5 per 100,000 among privately insured and from 29.1 to 41.1 per 100,000 among publicly insured persons. B cell defects predominated. Prevalence was more than twice as high among Whites as among Blacks or Hispanics. CONCLUSION In this large database, we found a higher prevalence of diagnosed PIDD than has been reported previously from registries. Increased awareness may have contributed to the increasing prevalence.
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Affiliation(s)
- Lisa Kobrynski
- Department of Pediatrics, Emory University School of Medicine, 2015 Uppergate Dr., Atlanta, GA, 30322, USA,
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Passos-Bueno MR, Bertola D, Horovitz DDG, de Faria Ferraz VE, Brito LA. Genetics and genomics in Brazil: a promising future. Mol Genet Genomic Med 2014; 2:280-91. [PMID: 25077170 PMCID: PMC4113268 DOI: 10.1002/mgg3.95] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Maria Rita Passos-Bueno
- Centro de Pesquisa sobre o Genoma Humano, Departamento de Genética e Biologia Evolutiva, Instituto de Biociências Universidade de São Paulo São Paulo, Brazil
| | - Debora Bertola
- Centro de Pesquisa sobre o Genoma Humano, Departamento de Genética e Biologia Evolutiva, Instituto de Biociências Universidade de São Paulo São Paulo, Brazil ; Instituto da Criança do Hospital das Clínicas da Faculdade de Medicina Universidade de São Paulo São Paulo, Brazil
| | - Dafne Dain Gandelman Horovitz
- Centro de Genética Médica, Instituto Nacional de Saúde da Mulher, daCriança e do Adolescente Fernandes Figueira, Fundação Oswaldo Cruz Rio de Janeiro, Brazil
| | | | - Luciano Abreu Brito
- Centro de Pesquisa sobre o Genoma Humano, Departamento de Genética e Biologia Evolutiva, Instituto de Biociências Universidade de São Paulo São Paulo, Brazil
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Condino-Neto A, Costa-Carvalho BT, Grumach AS, King A, Bezrodnik L, Oleastro M, Leiva L, Porras O, Espinosa-Rosales FJ, Franco JL, Sorensen RU. Guidelines for the use of human immunoglobulin therapy in patients with primary immunodeficiencies in Latin America. Allergol Immunopathol (Madr) 2014; 42:245-60. [PMID: 23333411 DOI: 10.1016/j.aller.2012.09.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Accepted: 09/15/2012] [Indexed: 11/28/2022]
Abstract
Antibodies are an essential component of the adaptative immune response and hold long-term memory of the immunological experiences throughout life. Antibody defects represent approximately half of the well-known primary immunodeficiencies requiring immunoglobulin replacement therapy. In this article, the authors review the current indications and therapeutic protocols in the Latin American environment. Immunoglobulin replacement therapy has been a safe procedure that induces dramatic positive changes in the clinical outcome of patients who carry antibody defects.
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Affiliation(s)
- A Condino-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
| | - B T Costa-Carvalho
- Department of Pediatrics, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - A S Grumach
- Department of Medicine, Faculty of Medicine ABC, São Paulo, Brazil
| | - A King
- Hospital Luis Calvo Mackenna, Santiago, Chile
| | - L Bezrodnik
- Immunology Group, Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina
| | - M Oleastro
- Division of Immunology, Hospital Juan P Garrahan, Buenos Aires, Argentina
| | - L Leiva
- Department of Pediatrics, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - O Porras
- Immunology and Pediatric Rheumatology, Hospital Nacional de Niños Dr Carlos Sáenz Herrera, San José, Costa Rica
| | - F J Espinosa-Rosales
- Unidad de Investigación en Inmunodeficiencias, Instituto Nacional de Pediatría, Mexico City, Mexico
| | - J L Franco
- Primary Immunodeficiencies Group, University of Antioquia, Medellin, Colombia
| | - R U Sorensen
- Department of Pediatrics, Louisiana State University Health Sciences Center, New Orleans, LA, USA; Faculty of Medicine, University of La Frontera, Temuco, Chile
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Aghamohammadi A, Mohammadinejad P, Abolhassani H, Mirminachi B, Movahedi M, Gharagozlou M, Parvaneh N, Zeiaee V, Mirsaeed-Ghazi B, Chavoushzadeh Z, Mahdaviani A, Mansouri M, Yousefzadegan S, Sharifi B, Zandieh F, Hedayat E, Nadjafi A, Sherkat R, Shakerian B, Sadeghi-Shabestari M, Farid Hosseini R, Jabbari-Azad F, Ahanchian H, Behmanesh F, Zandkarimi M, Shirkani A, Cheraghi T, Fayezi A, Mohammadzadeh I, Amin R, Aleyasin S, Moghtaderi M, Ghaffari J, Arshi S, Javahertrash N, Nabavi M, Bemanian MH, Shafiei A, Kalantari N, Ahmadiafshar A, Khazaei HA, Atarod L, Rezaei N. Primary Immunodeficiency Disorders in Iran: Update and New Insights from the Third Report of the National Registry. J Clin Immunol 2014; 34:478-90. [DOI: 10.1007/s10875-014-0001-z] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2013] [Accepted: 02/12/2014] [Indexed: 12/22/2022]
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Bousfiha AA, Jeddane L, El Hafidi N, Benajiba N, Rada N, El Bakkouri J, Kili A, Benmiloud S, Benhsaien I, Faiz I, Maataoui O, Aadam Z, Aglaguel A, Baba LA, Jouhadi Z, Abilkassem R, Bouskraoui M, Hida M, Najib J, Alj HS, Ailal F. First report on the Moroccan registry of primary immunodeficiencies: 15 years of experience (1998-2012). J Clin Immunol 2014; 34:459-68. [PMID: 24619622 DOI: 10.1007/s10875-014-0005-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 02/17/2014] [Indexed: 02/06/2023]
Abstract
PURPOSE Primary immunodeficiencies (PIDs) are a large group of diseases characterized by susceptibility to infections. We provide the first comprehensive report on PIDs in Morocco, the epidemiological, clinical, etiological and outcome features which have never before been described. METHODS A national registry was established in 2008, grouping together data for PID patients diagnosed since 1998. RESULTS In total, 421 patients were diagnosed between 1998 and 2012. Parental consanguinity was common (recorded for 43.2 % of patients) and the median time to diagnosis was 2.0 years. Overall, 27.4 % of patients were considered to have well defined syndromes with immunodeficiency (48 cases of hyper-IgE syndrome and 40 of ataxia-telangiectasia); 22.7 % had predominantly antibody deficiencies (29 cases of agammaglobulinemia and 24 of CVID); 20.6 % had combined immunodeficiencies (37 cases of SCID and 26 of MHC II deficiencies) and 17.5 % had phagocyte disorders (14 cases of SCN and 10 of CGD). The principal clinical signs were lower respiratory tract infections (60.8 %), skin infections (33.5 %) and candidiasis (26.1 %). Mortality reached 28.8 %, and only ten patients underwent bone marrow transplantation. We analyzed the impact on mortality of residence, family history, parental consanguinity, date of diagnosis and time to diagnosis, but only date of diagnosis had a significant effect. CONCLUSIONS The observed prevalence of PID was 0.81/100,000 inhabitants, suggesting considerable underdiagnosis and a need to increase awareness of these conditions in Morocco. The distribution of PIDs was different from that reported in Western countries, with a particularly high proportion of SCID, MHC II deficiencies, hyper-IgE syndrome and autosomal recessive agammaglobulinemia. However, we have now organized a national network, which should improve diagnosis rates in remote regions.
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Affiliation(s)
- A A Bousfiha
- Clinical Immunology Unit, Department of Pediatric Infectious Diseases, Averroes University Hospital, King Hassan II University-Aïn Chok, Casablanca, Morocco,
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Suavinho É, de Nápolis ACR, Segundo GRS. Primary immunodeficiency investigation in patients during and after hospitalization in a pediatric intensive care unit. REVISTA PAULISTA DE PEDIATRIA : ORGAO OFICIAL DA SOCIEDADE DE PEDIATRIA DE SAO PAULO 2014; 32:32-6. [PMID: 24676187 PMCID: PMC4183005 DOI: 10.1590/s0103-05822014000100006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 09/10/2013] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To analyze whether the patients with severe infections, admitted in the Pediatric Intensive Care Unit of the Hospital de Clínicas of the Universidade Federal de Uberlândia, underwent the active screening for primary immunodeficiencies (PID). METHODS Retrospective study that assessed the data records of patients with any severe infections admitted in the Pediatric Intensive Care Unit, covering a period from January 2011 to January 2012, in order to confirm if they performed an initial investigation for PID with blood count and immunoglobulin dosage. RESULTS In the studied period, 53 children were hospitalized with severe infections in the Pediatric Intensive Care Unit, and only in seven (13.2%) the initial investigation of PID was performed. Among these patients, 3/7 (42.8%) showed quantitative alterations in immunoglobulin G (IgG) levels, 1/7 (14.3%) had the diagnosis of cyclic neutropenia, and 1/7 (14.3%) presented thrombocytopenia and a final diagnosis of Wiskott-Aldrich syndrome. Therefore, the PID diagnosis was confirmed in 5/7 (71.4%) of the patients. CONCLUSIONS The investigation of PID in patients with severe infections has not been routinely performed in the Pediatric Intensive Care Unit. Our findings suggest the necessity of performing PID investigation in this group of patients.
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Distribution, clinical features and molecular analysis of primary immunodeficiency diseases in Chinese children: a single-center study from 2005 to 2011. Pediatr Infect Dis J 2013; 32:1127-34. [PMID: 23673420 DOI: 10.1097/inf.0b013e31829aa9e9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
METHODS Two hundred three children with genetically proven primary immunodeficiency diseases (PIDs) from 197 unrelated families were enrolled from January 2005 to December 2011. RESULTS On the basis of criteria developed by the International Union of Immunological Societies, 79 patients were diagnosed as "other well-defined immunodeficiency syndromes" (38.9%), 62 (30.6%) with "predominant antibody deficiencies," 26 (12.8%) with "congenital defects of phagocyte," 25 (12.3%) with "T- and B-cell immunodeficiency" and 11 (5.4%) with "diseases of immune dysregulation." The median time to the diagnosis was 27.9 months and the patients had a wide range of clinical presentations. In addition, a total of 23 pathogenic genes were identified and 213 mutations were detected, including 42 novel mutations. CONCLUSIONS With the increase in the awareness of PIDs and diagnostic competence, more PID patients will be diagnosed and we will be able to more accurately identify the frequency and the distribution of PIDs in the most populous country in the world.
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Primary Immunodeficiency May Be Misdiagnosed as Cow's Milk Allergy: Seven Cases Referred to a Tertiary Pediatric Hospital. ISRN PEDIATRICS 2013; 2013:470286. [PMID: 24198970 PMCID: PMC3806379 DOI: 10.1155/2013/470286] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Accepted: 08/27/2013] [Indexed: 12/12/2022]
Abstract
Introduction. The presence of eczema and gastrointestinal manifestations are often observed in cow's milk allergy (CMA) and also in some primary immunodeficiency diseases (PID). Objective. To describe 7 patients referred to a tertiary allergy/immunology Center with a proposed diagnosis of CMA, who were ultimately diagnosed with PID. Methods. This was a retrospective study based on clinical and laboratory data from medical records. Results. Seven patients (6 males) aged between 3 mo and 6 y were referred to our clinic with a proposed diagnosis of CMA. They presented with eczema and/or gastrointestinal symptoms. Five were receiving replacement formula. All patients presented with other clinical features, including severe/recurrent infections unrelated to CMA, and two of them had a positive family history of PID. Laboratory tests showed immune system dysfunctions in all patients. Hyper-IgE and Wiskott-Aldrich syndromes, CD40L deficiency, severe combined immunodeficiency, X-linked agammaglobulinemia, transient hypogammaglobulinemia of infancy, and chronic granulomatous disease were diagnosed in these children. In conclusion, allergic diseases and immunodeficiency are a result of a different spectrum of abnormalities in the immune system and may be misdiagnosed. Educational programs on PID among clinical physicians and pediatricians can reduce the occurrence of this misdiagnosis.
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Kelly BT, Tam JS, Verbsky JW, Routes JM. Screening for severe combined immunodeficiency in neonates. Clin Epidemiol 2013; 5:363-9. [PMID: 24068875 PMCID: PMC3782515 DOI: 10.2147/clep.s48890] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Severe combined immunodeficiency (SCID) is a rare disease that severely affects the cellular and humoral immune systems. Patients with SCID present with recurrent or severe infections and often with chronic diarrhea and failure to thrive. The disease is uniformly fatal, making early diagnosis essential. Definitive treatment is hematopoietic stem cell transplantation, with best outcomes prior to 3.5 months of age. Newborn screening for SCID using the T-cell receptor excision circle assay has revolutionized early identification of infants with SCID or severe T-cell lymphopenia.
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Affiliation(s)
- Brian T Kelly
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
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Sorensen R, Etzioni A, Bousfiha AA, Zeiger JB. Collaborating to improve quality of life in primary immunodeficiencies: World PI Week, 2013. J Clin Immunol 2013; 33:1145-8. [PMID: 23842866 DOI: 10.1007/s10875-013-9921-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Accepted: 06/24/2013] [Indexed: 12/13/2022]
Affiliation(s)
- Ricardo Sorensen
- Department of Paediatrics, Children's Hospital, 200 Henry Clay Ave., New Orleans, LA, USA,
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Rosario-Filho NA, Jacob CM, Sole D, Condino-Neto A, Arruda LK, Costa-Carvalho B, Cocco RR, Camelo-Nunes I, Chong-Neto HJ, Wandalsen GF, Castro APM, Yang AC, Pastorino AC, Sarinho ES. Pediatric allergy and immunology in Brazil. Pediatr Allergy Immunol 2013; 24:402-9. [PMID: 23578336 DOI: 10.1111/pai.12069] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/17/2013] [Indexed: 12/30/2022]
Abstract
The subspecialty of pediatric allergy and immunology in Brazil is in its early years and progressing steadily. This review highlights the research developed in the past years aiming to show the characteristics of allergic and immunologic diseases in this vast country. Epidemiologic studies demonstrated the high prevalence of asthma in infants, children, and adolescents. Mortality rates and average annual variation of asthma hospitalization have reduced in all pediatric age groups. Indoor aeroallergen exposure is excessively high and contributes to the high rates of allergy sensitization. Prevalence of food allergy has increased to epidemic levels. Foods (35%), insect stings (30%), and drugs (23%) are the main etiological agents of anaphylaxis in children and adolescents. Molecular diagnosis of primary immunodeficiencies (PID) showed a high incidence of fungal infections including paracoccidioidomycosis in X-linked hyper-IgM syndrome, and the occurrence of BCG adverse reactions or other mycobacterial infections in patients with chronic granulomatous disease. Education in pediatric allergy and immunology is deficient for medical students, but residency programs are effective in training internists and pediatricians for the practice of allergy. The field of PID requires further training. Last, this review is a tribute to Prof. Dr. Charles Naspitz, one of the pioneers of our specialty in Brazil.
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Primary immunodeficiency diseases in different age groups: a report on 1,008 cases from a single Brazilian reference center. J Clin Immunol 2013; 33:716-24. [PMID: 23354909 DOI: 10.1007/s10875-013-9865-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Accepted: 01/07/2013] [Indexed: 01/22/2023]
Abstract
Primary immunodeficiencies (PIDs) represent a large group of diseases that affect all age groups. Although PIDs have been recognized as rare diseases, there is epidemiological evidence suggesting that their real prevalence has been underestimated. We performed an evaluation of a series of 1,008 infants, children, adolescents and adults with well-defined PIDs from a single Brazilian center, regarding age at diagnosis, gender and PID category according to the International Union of Immunological Societies classification. Antibody deficiencies were the most common category in the whole series (61 %) for all age groups, with the exception of <2-year-old patients (only 15 %). In the >30-year-old group, antibody deficiencies comprised 84 % of the diagnoses, mostly consisting of common variable immunodeficiency, IgA deficiency and IgM deficiency. Combined immunodeficiencies represented the most frequent category in <2-years-old patients. Most congenital defects of phagocytes were identified in patients <5 -years of age, as were the diseases of immune dysregulation, with the exception of APECED. DiGeorge syndrome and ataxia-telangiectasia were the most frequent entities in the category of well-defined syndromes, which were mostly identified in patients <10-years of age. Males represented three-quarters and two-thirds of <2 -years-old and 2-5-years -old patients, respectively, whereas females predominated among the >30-year-old patients. Our data indicated that some PIDs were only detected at early ages, likely because affected patients do not survive long. In addition, our data pointed out that different strategies should be used to search for PIDs in infants and young children as compared to older patients.
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