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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Aghamohammadi A, Rezaei N, Yazdani R, Delavari S, Kutukculer N, Topyildiz E, Ozen A, Baris S, Karakoc-Aydiner E, Kilic SS, Kose H, Gulez N, Genel F, Reisli I, Djenouhat K, Tahiat A, Boukari R, Ladj S, Belbouab R, Ferhani Y, Belaid B, Djidjik R, Kechout N, Attal N, Saidani K, Barbouche R, Bousfiha A, Sobh A, Rizk R, Elnagdy MH, Al-Ahmed M, Al-Tamemi S, Nasrullayeva G, Adeli M, Al-Nesf M, Hassen A, Mehawej C, Irani C, Megarbane A, Quinn J, Maródi L, Modell V, Modell F, Al-Herz W, Geha RS, Abolhassani H. Consensus Middle East and North Africa Registry on Inborn Errors of Immunity. J Clin Immunol 2021; 41:1339-1351. [PMID: 34052995 PMCID: PMC8310844 DOI: 10.1007/s10875-021-01053-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 04/26/2021] [Indexed: 01/03/2023]
Abstract
Background Inborn errors of immunity (IEIs) are a heterogeneous group of genetic defects of immunity, which cause high rates of morbidity and mortality mainly among children due to infectious and non-infectious complications. The IEI burden has been critically underestimated in countries from middle- and low-income regions and the majority of patients with IEI in these regions lack a molecular diagnosis. Methods We analyzed the clinical, immunologic, and genetic data of IEI patients from 22 countries in the Middle East and North Africa (MENA) region. The data was collected from national registries and diverse databases such as the Asian Pacific Society for Immunodeficiencies (APSID) registry, African Society for Immunodeficiencies (ASID) registry, Jeffrey Modell Foundation (JMF) registry, J Project centers, and International Consortium on Immune Deficiency (ICID) centers. Results We identified 17,120 patients with IEI, among which females represented 39.4%. Parental consanguinity was present in 60.5% of cases and 27.3% of the patients were from families with a confirmed previous family history of IEI. The median age of patients at the onset of disease was 36 months and the median delay in diagnosis was 41 months. The rate of registered IEI patients ranges between 0.02 and 7.58 per 100,000 population, and the lowest rates were in countries with the highest rates of disability-adjusted life years (DALY) and death rates for children. Predominantly antibody deficiencies were the most frequent IEI entities diagnosed in 41.2% of the cohort. Among 5871 patients genetically evaluated, the diagnostic yield was 83% with the majority (65.2%) having autosomal recessive defects. The mortality rate was the highest in patients with non-syndromic combined immunodeficiency (51.7%, median age: 3.5 years) and particularly in patients with mutations in specific genes associated with this phenotype (RFXANK, RAG1, and IL2RG). Conclusions This comprehensive registry highlights the importance of a detailed investigation of IEI patients in the MENA region. The high yield of genetic diagnosis of IEI in this region has important implications for prevention, prognosis, treatment, and resource allocation. Supplementary Information The online version contains supplementary material available at 10.1007/s10875-021-01053-z.
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Affiliation(s)
- Asghar Aghamohammadi
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical 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
| | - Samaneh Delavari
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Necil Kutukculer
- Department of Pediatric Immunology, Ege University Faculty of Medicine, Bornova-İzmir, Turkey
| | - Ezgi Topyildiz
- Department of Pediatric Immunology, Ege University Faculty of Medicine, Bornova-İzmir, Turkey
| | - Ahmet Ozen
- Faculty of Medicine, Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey.,The Isil Berat Barlan Center for Translational Medicine, Istanbul Jeffrey Modell Foundation Diagnostic Center for Primary Immune Deficiencies, Istanbul, Turkey
| | - Safa Baris
- Faculty of Medicine, Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey.,The Isil Berat Barlan Center for Translational Medicine, Istanbul Jeffrey Modell Foundation Diagnostic Center for Primary Immune Deficiencies, Istanbul, Turkey
| | - Elif Karakoc-Aydiner
- Faculty of Medicine, Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey.,The Isil Berat Barlan Center for Translational Medicine, Istanbul Jeffrey Modell Foundation Diagnostic Center for Primary Immune Deficiencies, Istanbul, Turkey
| | - Sara Sebnem Kilic
- Uludag University, Medical Faculty, Department of Pediatric Immunology and Rheumatology, Bursa, Turkey
| | - Hulya Kose
- Uludag University, Medical Faculty, Department of Pediatric Immunology and Rheumatology, Bursa, Turkey
| | - Nesrin Gulez
- Department of Pediatric Immunology and Allergy, University of Health Sciences Dr. Behçet Uz Children's Hospital, İzmir, Turkey
| | - Ferah Genel
- Department of Pediatric Immunology and Allergy, University of Health Sciences Dr. Behçet Uz Children's Hospital, İzmir, Turkey
| | - Ismail Reisli
- Department of Pediatric Immunology and Allergy, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Kamel Djenouhat
- Laboratory of Immunology, Department of Medical Biology, Rouiba Hospital, Algiers, Algeria
| | - Azzeddine Tahiat
- Laboratory of Immunology, Department of Medical Biology, Rouiba Hospital, Algiers, Algeria
| | - Rachida Boukari
- Department of Pediatrics, Mustapha Pacha University Hospital, University of Algiers, Algiers, Algeria
| | - Samir Ladj
- Department of Pediatrics, Mustapha Pacha University Hospital, University of Algiers, Algiers, Algeria
| | - Reda Belbouab
- Department of Pediatrics, Mustapha Pacha University Hospital, University of Algiers, Algiers, Algeria
| | - Yacine Ferhani
- Department of Pediatrics, Mustapha Pacha University Hospital, University of Algiers, Algiers, Algeria
| | - Brahim Belaid
- Department of Medical Immunology, University Hospital Center of Beni Messous, University of Algiers, Algiers, Algeria
| | - Reda Djidjik
- Department of Medical Immunology, University Hospital Center of Beni Messous, University of Algiers, Algiers, Algeria
| | - Nadia Kechout
- Department of Immunology, Pasteur Institute of Algeria/Faculty of Medicine, Algiers, Algeria
| | - Nabila Attal
- Department of Immunology, Pasteur Institute of Algeria/Faculty of Medicine, Algiers, Algeria
| | - Khalissa Saidani
- Department of Immunology, Pasteur Institute of Algeria/Faculty of Medicine, Algiers, Algeria
| | - Ridha Barbouche
- Institut Pasteur de Tunis, Université Tunis El Manar, Tunis, Tunisia
| | - Aziz Bousfiha
- Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy of Casablanca, King Hassan II University, Casablanca, Morocco
| | - Ali Sobh
- Department of Pediatrics, Mansoura University Children's Hospital, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Ragheed Rizk
- Department of Pediatrics, Mansoura University Children's Hospital, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Marwa H Elnagdy
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Mona Al-Ahmed
- Department of Microbiology, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait.,Department of Allergy, Al-Rashid Allergy Center, Kuwait University, Kuwait City, Kuwait
| | - Salem Al-Tamemi
- Department of Child Health, Sultan Qaboos University Hospital, Muscat, Oman
| | - Gulnara Nasrullayeva
- Department Immunology Research Laboratory, Azerbaijan Medical University, Baku, Azerbaijan
| | - Mehdi Adeli
- Allergy and Immunology Division, Pediatrics Department, Sidra Medicine, Doha, Qatar
| | - Maryam Al-Nesf
- Allergy and Immunology Section, Department of Medicine, Hamad Medical Corporation, Doha, Qatar
| | - Amel Hassen
- Allergy and Immunology Division, Pediatrics Department, Sidra Medicine, Doha, Qatar
| | - Cybel Mehawej
- Department of Human Genetics, Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos, Lebanon
| | - Carla Irani
- Internal Medicine and Clinical Immunology, Hotel Dieu de France Hospital, Saint Joseph University, Beirut, Lebanon
| | - Andre Megarbane
- Department of Human Genetics, Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos, Lebanon
| | - Jessica Quinn
- Jeffrey Modell Foundation (JMF), New York City, NY, USA
| | | | - László Maródi
- PID Clinical Unit and Laboratory, Department of Dermatology, Semmelweis University, Budapest, Hungary.,St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller University, New York, NY, USA
| | - Vicki Modell
- Jeffrey Modell Foundation (JMF), New York City, NY, USA
| | - Fred Modell
- Jeffrey Modell Foundation (JMF), New York City, NY, USA
| | - Waleed Al-Herz
- Department of Pediatrics, Faculty of Medicine, Kuwait University, Safat 13110, PO Box 24923, Kuwait City, Kuwait. .,Allergy and Clinical Immunology Unit, Pediatric Department, Al-Sabah Hospital, Kuwait City, Kuwait.
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital and Harvard Medical School, 1 Blackfan Circle, Karp, Bldg, 10th Floor, Boston, MA, 02115, USA.
| | - 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 Institutet, Karolinska University Hospital, 14186, Huddinge, Stockholm, Sweden.
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Tebani A, Sudrié-Arnaud B, Boudabous H, Brassier A, Anty R, Snanoudj S, Abergel A, Abi Warde MT, Bardou-Jacquet E, Belbouab R, Blanchet E, Borderon C, Bronowicki JP, Cariou B, Carette C, Dabbas M, Dranguet H, de Ledinghen V, Ferrières J, Guillaume M, Krempf M, Lacaille F, Larrey D, Leroy V, Musikas M, Nguyen-Khac E, Ouzan D, Perarnau JM, Pilon C, Ratzlu V, Thebaut A, Thevenot T, Tragin I, Triolo V, Vergès B, Vergnaud S, Bekri S. Large-scale screening of lipase acid deficiency in at risk population. Clin Chim Acta 2021; 519:64-69. [PMID: 33857477 DOI: 10.1016/j.cca.2021.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Lysosomal acid lipase deficiency (LALD, OMIM#278000) is a rare lysosomal disorder with an autosomal recessive inheritance. The main clinical manifestations are related to a progressive accumulation of cholesteryl esters, triglycerides or both within the lysosome in different organs such as the liver, spleen, and cardiovascular system. A wide range of clinical severity is associated with LALD including a severe very rare antenatal/neonatal/infantile phenotype named Wolman disease and a late-onset form named cholesteryl ester storage disease (CESD). METHODS This study aimed to investigate a cohort of at-risk patients (4174) presenting with clinical or biological signs consistent with LALD using the assessment of LAL activity on dried blood spots. RESULTS LAL activity was lower than 0.05 nmol/punch/L (cut-off: 0.12) in 19 patients including 13 CESD and 6 Wolman. Molecular study has been conducted in 17 patients and succeeded in identifying 34 mutated alleles. Fourteen unique variants have been characterized, 7 of which are novel. CONCLUSION This study allowed to identify a series of patients and expanded the molecular spectrum knowledge of LALD. Besides, a new screening criteria grid based on the clinical/biological data from our study and the literature has been proposed in order to enhance the diagnosis rate in at risk populations.
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Affiliation(s)
- Abdellah Tebani
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | - Bénédicte Sudrié-Arnaud
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | - Hela Boudabous
- Pediatric Department, La Rabta Hospital, Faculty of Medecine of Tunis, University of Tunis El Manar, Jabberi, Jebal Lakhdhar, Tunis, Tunisia
| | - Anais Brassier
- Reference Center of Inherited Metabolic Diseases, Necker Enfants Malades Hospital, Imagine Institute, University Paris Descartes, AP-HP, 75015 Paris, France
| | - Rodolphe Anty
- INSERM, U1065, C3M, Team 8 "Hepatic Complications in Obesity", Nice, France
| | - Sarah Snanoudj
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | - Armand Abergel
- Department of Digestive Medicine, CHU Estaing, Clermont-Ferrand, France
| | | | - Edouard Bardou-Jacquet
- Univ Rennes, INSERM, Institut Numecan, Liver Disease Unit, CHU de Rennes, F-35000 Rennes, France
| | - Reda Belbouab
- Pediatric Department, University Hospital Center Mustapha Bacha, 16000 Algiers, Algeria
| | - Eloi Blanchet
- Service Hépatologie-Gastroenterologie, Groupe Hospitalier La Rochelle-Ré-Aunis, La Rochelle, France
| | | | - Jean-Pierre Bronowicki
- Department of Hepato-Gastroenterology, Centre Hospitalo-Universitaire de Nancy, 54000 Nancy, France
| | - Bertrand Cariou
- Université de Nantes, CHU de Nantes, CNRS, INSERM, L'institut du thorax, Department of Endocrinology-Diabetology-Nutrition, F-44000 Nantes, France
| | - Claire Carette
- AP-HP, Department of Nutrition, Centre spécialisé de l'Obesité Hôpital Européen Georges Pompidou, Paris University, Paris, France
| | - Myriam Dabbas
- AP-HP, Nutrition Obesity Unit, Necker Hospital, Paris, France
| | - Hélène Dranguet
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | | | - Jean Ferrières
- Department of Cardiology and UMR INSERM 1027, Toulouse University School of Medicine, Toulouse, TSA 50032 31059, France
| | - Maeva Guillaume
- Service d'Hépatologie CHU Toulouse Rangueil, Institut Cardiomet et Université Paul Sabatier, Toulouse, France
| | - Michel Krempf
- Endocrinology, Metabolic Diseases and Nutrition, ELSAN, Clinique Breteché, Nantes, France
| | - Florence Lacaille
- Gastroenterology Hepatology Nutrition Unit, Hôpital Necker-Enfants Malades, Paris, France
| | - Dominique Larrey
- Liver and Transplantation Unit, Montpellier School of Medicine and IRB-INSERM-1183, Montpellier, France
| | - Vincent Leroy
- Service d'Hépato-Gastroentérologie, Centre Hospitalier Universitaire Grenoble-Alpes, INSERM U1209, Université Grenoble-Alpes, Grenoble, France
| | - Marietta Musikas
- Department of Hepato-Gastroenterology and Nutrition, Caen University Hospital, France
| | - Eric Nguyen-Khac
- Service d'Hépato-Gastroentérologie, Amiens University Hospital, and Equipe Région INSERM 24, University of Picardy, Amiens, France
| | - Denis Ouzan
- Institut Arnaud Tzanck, Service d'Hépatologie, St Laurent du Var, France
| | - Jean-Marc Perarnau
- Service d'Hépato-gastroentérologie, Centre Hospitalo-Universitaire, Tours, France
| | - Carine Pilon
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | - Vlad Ratzlu
- Department of Hepatology, Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique Hopitaux de Paris, Paris, France; University Pierre et Marie Curie, Institut National de la Santé et de la Recherche Médicale UMR 938, Paris, France
| | - Alice Thebaut
- Pediatric Hepatology & Pediatric Liver Transplant Department, Centre de Référence de l'Atrésie des Voies Biliaires et des Cholestases Génétiques (AVB-CG), Filière de Santé des Maladies Rares du Foie de l'enfant et de l'adulte (FILFOIE), European Reference Network RARE-LIVER, Assistance Publique-Hôpitaux de Paris, Faculty of Medecine Paris-Saclay, CHU Bicêtre, Le Kremlin-Bicêtre, France
| | - Thierry Thevenot
- Centre Hospitalier Universitaire de Besançon, Hôpital Jean Minjoz, Service d'Hépatologie et de Soins Intensifs Digestifs, Besançon, France
| | - Isabelle Tragin
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France
| | | | - Bruno Vergès
- Université de Bourgogne, Centre de Recherche INSERM LNC-UMR1231; Service de Diabétologie et Endocrinologie, CHU François Mitterand, BP 77908, Dijon cedex 21079, France
| | - Sabrina Vergnaud
- Department of Biochemistry Toxicology and Pharmacology, Grenoble University Hospital, La Tronche, France
| | - Soumeya Bekri
- Normandie Univ, UNIROUEN, INSERM U1245, CHU Rouen, Department of Metabolic Biochemistry, 76000 Rouen, France.
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Tahiat A, Yagoubi A, Ladj MS, Belbouab R, Aggoune S, Atek L, Bouziane D, Melzi S, Boubidi C, Drali W, Bendahmane C, Iguerguesdaoune H, Taguemount S, Soufane A, Oukil A, Ketfi A, Messaoudi H, Boukhenfouf N, Ifri MA, Bencharif Madani T, Belhadj H, Benhala KN, Khiari M, Cherif N, Smati L, Arada Z, Zeroual Z, Bouzerar Z, Ibsaine O, Maouche H, Boukari R, Djenouhat K. Diagnostic and Predictive Contribution of Autoantibodies Screening in a Large Series of Patients With Primary Immunodeficiencies. Front Immunol 2021; 12:665322. [PMID: 33868317 PMCID: PMC8047634 DOI: 10.3389/fimmu.2021.665322] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 03/22/2021] [Indexed: 11/13/2022] Open
Abstract
Objectives To evaluate the diagnostic and predictive contribution of autoantibodies screening in patients with primary immunodeficiencies (PIDs). Methods In the present study, PID patients and healthy controls have been screened for 54 different autoantibodies. The results of autoantibodies screening in PID patients were correlated to the presence of autoimmune diseases. Results A total of 299 PID patients were included in this study with a predominance of antibody deficiencies (27.8%) followed by immunodeficiencies affecting cellular and humoral immunity (26.1%) and complement deficiencies (22.7%). Autoimmune manifestations were present in 82 (27.4%) patients. Autoimmune cytopenia (10.4%) was the most common autoimmune disease followed by gastrointestinal disorders (10.0%), rheumatologic diseases (3.7%), and endocrine disorders (3.3%). Autoantibodies were found in 32.4% of PID patients and 15.8% of healthy controls (P < 0.0005). Anti-nuclear antibodies (ANA) (10.0%), transglutaminase antibody (TGA) (8.4%), RBC antibodies (6.7%), anti-smooth muscle antibody (ASMA) (5.4%), and ASCA (5.0%) were the most common autoantibodies in our series. Sixty-seven out of the 82 patients with autoimmune manifestations (81.7%) were positive for one or more autoantibodies. Eleven out of the 14 patients (78.6%) with immune thrombocytopenia had positive platelet-bound IgM. The frequencies of ASCA and ANCA among patients with IBD were 47.4% and 21.0% respectively. All patients with celiac disease had TGA-IgA, while six out of the 11 patients with rheumatologic diseases had ANA (54.5%). Almost one third of patients (30/97) with positive autoantibodies had no autoimmune manifestations. ANA, rheumatoid factor, ASMA, anti-phospholipid antibodies and ANCA were often detected while specific AID was absent. Despite the low positive predictive value of TGA-IgA and ASCA for celiac disease and inflammatory bowel disease respectively, screening for these antibodies identified undiagnosed disease in four patients with positive TGA-IgA and two others with positive ASCA. Conclusion The present study provides valuable information about the frequency and the diagnostic/predictive value of a large panel of autoantibodies in PIDs. Given the frequent association of some AIDs with certain PIDs, screening for corresponding autoantibodies would be recommended. However, positivity for autoantibodies should be interpreted with caution in patients with PIDs due to their low positive predictive value.
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Affiliation(s)
- Azzeddine Tahiat
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Abdelghani Yagoubi
- Pediatric Gastroenterology, Centre Algérois de Pédiatrie, Algiers, Algeria
| | - Mohamed Samir Ladj
- Department of Pediatrics, Mustapha University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Reda Belbouab
- Department of Pediatrics, Mustapha University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Samira Aggoune
- Department of Pediatrics, El-Harrach Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Laziz Atek
- Department of Pediatrics, El-Harrach Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Djamila Bouziane
- Department of Pediatrics, Ain Taya Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Souhila Melzi
- Department of Pediatrics, Bab El-Oued University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Chahinez Boubidi
- Department of Pediatrics A, Hussein Dey University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Warda Drali
- Department of Pediatrics B, Hussein Dey University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | | | - Hamza Iguerguesdaoune
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Sihem Taguemount
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Asma Soufane
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Asma Oukil
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Abdalbasset Ketfi
- Department of Pneumology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Hassen Messaoudi
- Department of Internal Medicine, Mustapha University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | | | | | | | - Hayet Belhadj
- Department of Pediatrics, Central Hospital of the Army, Algiers, Algeria
| | - Keltoum Nafissa Benhala
- Department of Pediatrics A, Beni Messous University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Mokhtar Khiari
- Department of Pediatrics A, Beni Messous University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Nacera Cherif
- Department of Pediatrics B, Beni Messous University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Leila Smati
- Department of Pediatrics, Bologhine Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Zakia Arada
- Department of Pediatrics B, Hussein Dey University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Zoulikha Zeroual
- Department of Pediatrics A, Hussein Dey University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Zair Bouzerar
- Department of Pediatrics, Bab El-Oued University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Ouardia Ibsaine
- Department of Pediatrics, Ain Taya Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Hachemi Maouche
- Department of Pediatrics, El-Harrach Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Rachida Boukari
- Department of Pediatrics, Mustapha University Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
| | - Kamel Djenouhat
- Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria
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Salhi A, Belbouab R, Boukhari R, Belateche S, Djeddou O, Aitbelkacem K, Ayadi A, Djéridane A, Bouharati D, Belkaid Z, Aitbenamar A, Benkaidali I. Efficacité de la rapamycine dans la prise en charge d’un syndrome de Bean chez une enfant de 7 ans. Ann Dermatol Venereol 2017. [DOI: 10.1016/j.annder.2017.09.562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Hervé D, Philippi A, Belbouab R, Zerah M, Chabrier S, Collardeau-Frachon S, Bergametti F, Essongue A, Berrou E, Krivosic V, Sainte-Rose C, Houdart E, Adam F, Billiemaz K, Lebret M, Roman S, Passemard S, Boulday G, Delaforge A, Guey S, Dray X, Chabriat H, Brouckaert P, Bryckaert M, Tournier-Lasserve E. Loss of α1β1 Soluble Guanylate Cyclase, the Major Nitric Oxide Receptor, Leads to Moyamoya and Achalasia. Am J Hum Genet 2014. [DOI: 10.1016/j.ajhg.2014.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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7
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Hervé D, Philippi A, Belbouab R, Zerah M, Chabrier S, Collardeau-Frachon S, Bergametti F, Essongue A, Berrou E, Krivosic V, Sainte-Rose C, Houdart E, Adam F, Billiemaz K, Lebret M, Roman S, Passemard S, Boulday G, Delaforge A, Guey S, Dray X, Chabriat H, Brouckaert P, Bryckaert M, Tournier-Lasserve E. Loss of α1β1 soluble guanylate cyclase, the major nitric oxide receptor, leads to moyamoya and achalasia. Am J Hum Genet 2014; 94:385-94. [PMID: 24581742 DOI: 10.1016/j.ajhg.2014.01.018] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 01/31/2014] [Indexed: 12/09/2022] Open
Abstract
Moyamoya is a cerebrovascular condition characterized by a progressive stenosis of the terminal part of the internal carotid arteries (ICAs) and the compensatory development of abnormal "moyamoya" vessels. The pathophysiological mechanisms of this condition, which leads to ischemic and hemorrhagic stroke, remain unknown. It can occur as an isolated cerebral angiopathy (so-called moyamoya disease) or in association with various conditions (moyamoya syndromes). Here, we describe an autosomal-recessive disease leading to severe moyamoya and early-onset achalasia in three unrelated families. This syndrome is associated in all three families with homozygous mutations in GUCY1A3, which encodes the α1 subunit of soluble guanylate cyclase (sGC), the major receptor for nitric oxide (NO). Platelet analysis showed a complete loss of the soluble α1β1 guanylate cyclase and showed an unexpected stimulatory role of sGC within platelets. The NO-sGC-cGMP pathway is a major pathway controlling vascular smooth-muscle relaxation, vascular tone, and vascular remodeling. Our data suggest that alterations of this pathway might lead to an abnormal vascular-remodeling process in sensitive vascular areas such as ICA bifurcations. These data provide treatment options for affected individuals and strongly suggest that investigation of GUCY1A3 and other members of the NO-sGC-cGMP pathway is warranted in both isolated early-onset achalasia and nonsyndromic moyamoya.
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Uhlen S, Belbouab R, Narebski K, Goulet O, Schmitz J, Cézard JP, Turck D, Ruemmele FM. Efficacy of methotrexate in pediatric Crohn's disease: a French multicenter study. Inflamm Bowel Dis 2006; 12:1053-7. [PMID: 17075346 DOI: 10.1097/01.mib.0000235103.47280.bb] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND Immunosuppressors play a major role in maintaining remission in Crohn's disease (CD). In patients who do not tolerate or escape therapy with azathioprine (AZA)/6-mercaptopurine, there is a marked need for other immunosuppressive drugs. The aim of the present study was to evaluate the efficacy and safety of methotrexate (MTX) in children with active CD. METHODS In a retrospective multicenter (n = 3) study, the efficacy of MTX to induce complete remission or a clinical improvement was analyzed in 61 children with active CD. RESULTS CD was diagnosed at a mean age of 11.1 +/- 2.3 years, and MTX was introduced 3.1 +/- 2.2 years after diagnosis. Indications to use MTX were a nonresponse to or relapse under AZA (n = 42) or AZA intolerance/toxicity (n = 19). MTX improved or induced complete remission in 49 patients (80%), of whom 18 (29.5%) relapsed after 13 +/- 10 months of treatment. Under MTX medication, complete remission was observed in 39%, 49%, and 45% at 3, 6, and 12 months, respectively. Follow-up over at least 24 months in 11 children confirmed a sustained remission on MTX monotherapy up to 40 months. Adverse reactions were observed in 14 patients (24%), requiring discontinuation of MTX in 6 children (10%) (liver enzyme elevation, n = 2; varicella-zoster, n = 1; nausea, n = 3). MTX allowed corticosteroid discontinuation in 36 patients. CONCLUSIONS MTX improved the clinical course in most pediatric CD patients who escaped or did not tolerate AZA. Short-time toxicity of MTX resulted in drug discontinuation in <10%. These data point to a beneficial and safe use of MTX in the treatment of pediatric CD.
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Affiliation(s)
- S Uhlen
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Lille University Children's Hospital and Faculty of Medicine, Lille, France
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