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Hackenberg S, Renson A, Röseler SM, Baumann I, Topcuoglu MSY, Hebestreit H. Pädiatrische Rhinologie. Laryngorhinootologie 2024; 103:S188-S213. [PMID: 38697148 DOI: 10.1055/a-2178-2957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2024]
Abstract
The following review article highlights key topics in pediatric rhinology that are currently the focus in research and at conferences as well as in the interdisciplinary discussion between otorhinolaryngologists and pediatricians. In particular, congenital malformations such as choanal atresia or nasal dermoid cysts are discussed, followed by statements on the current procedures for sinogenic orbital complications as well as on the diagnosis and therapy of chronic rhinosinusitis in children. Furthermore, updates on the role of the ENT specialist in the care for children with cystic fibrosis and primary ciliary dyskinesia are provided.
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Affiliation(s)
- Stephan Hackenberg
- Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde, Kopf- und Halschirurgie, Universitätsklinikum Würzburg
| | - Ariane Renson
- Klinik für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie, Uniklinik RWTH Aachen
| | - Stefani Maria Röseler
- Klinik für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie, Uniklinik RWTH Aachen
| | - Ingo Baumann
- Hals-, Nasen- und Ohrenklinik, Universitätsklinikum Heidelberg
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Lyu Q, Li Q, Zhou J, Zhao H. Formation and function of multiciliated cells. J Cell Biol 2024; 223:e202307150. [PMID: 38032388 PMCID: PMC10689204 DOI: 10.1083/jcb.202307150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/29/2023] [Accepted: 11/14/2023] [Indexed: 12/01/2023] Open
Abstract
In vertebrates, multiciliated cells (MCCs) are terminally differentiated cells that line the airway tracts, brain ventricles, and reproductive ducts. Each MCC contains dozens to hundreds of motile cilia that beat in a synchronized manner to drive fluid flow across epithelia, the dysfunction of which is associated with a group of human diseases referred to as motile ciliopathies, such as primary cilia dyskinesia. Given the dynamic and complex process of multiciliogenesis, the biological events essential for forming multiple motile cilia are comparatively unelucidated. Thanks to advancements in genetic tools, omics technologies, and structural biology, significant progress has been achieved in the past decade in understanding the molecular mechanism underlying the regulation of multiple motile cilia formation. In this review, we discuss recent studies with ex vivo culture MCC and animal models, summarize current knowledge of multiciliogenesis, and particularly highlight recent advances and their implications.
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Affiliation(s)
- Qian Lyu
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Qingchao Li
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Jun Zhou
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, China
- State Key Laboratory of Medicinal Chemical Biology, Haihe Laboratory of Cell Ecosystem, College of Life Sciences, Nankai University, Tianjin, China
| | - Huijie Zhao
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, China
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Perrot A, Rickert-Sperling S. Human Genetics of Defects of Situs. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:705-717. [PMID: 38884744 DOI: 10.1007/978-3-031-44087-8_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Defects of situs are associated with complex sets of congenital heart defects in which the normal concordance of asymmetric thoracic and abdominal organs is disturbed. The cellular and molecular mechanisms underlying the formation of the embryonic left-right axis have been investigated extensively in the past decade. This has led to the identification of mutations in at least 33 different genes in humans with heterotaxy and situs defects. Those mutations affect a broad range of molecular components, from transcription factors, signaling molecules, and chromatin modifiers to ciliary proteins. A substantial overlap of these genes is observed with genes associated with other congenital heart diseases such as tetralogy of Fallot and double-outlet right ventricle, d-transposition of the great arteries, and atrioventricular septal defects. In this chapter, we present the broad genetic heterogeneity of situs defects including recent human genomics efforts.
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Affiliation(s)
- Andreas Perrot
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
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Alhalabi O, Abdulwahab A, Thomas M. The First Case of a Homozygous CCNO NM 021147.4 Mutation Associated With Primary Ciliary Dyskinesia in Two Indian Siblings. Cureus 2024; 16:e52237. [PMID: 38222993 PMCID: PMC10787941 DOI: 10.7759/cureus.52237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2023] [Indexed: 01/16/2024] Open
Abstract
Primary ciliary dyskinesia (PCD) is a heterogeneous autosomal recessive disease marked by organ lateralization in 50% of patients, chronic sinopulmonary disease, infertility in men, and neonatal respiratory distress. Respiratory control cells contain CCNO in their apical cytoplasm, which is necessary for the development of multiciliate cells, basal body amplification, and migration. Reduced generation of multiple motile cilia, a rare form of PCD, has been linked to CCNO gene abnormalities. Individuals with CCNO mutations have been reported to suffer from severe lower respiratory infections that cause progressive impairment of lung function. For the first time, we describe the CCNO NM 021147.4 (c.258 262dup.p, Gln88argfs*8 Homozygous) gene mutation in an Indian consanguineous family that resulted in severe PCD.
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Affiliation(s)
- Ola Alhalabi
- Pediatric Pulmonology, Sidra Medicine, Doha, QAT
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Shi Y, Lei Q, Han Q. Dual-allele heterozygous mutation of DNAH5 gene in a boy with primary ciliary dyskinesia: A case report. Medicine (Baltimore) 2023; 102:e36271. [PMID: 38206729 PMCID: PMC10754609 DOI: 10.1097/md.0000000000036271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 11/02/2023] [Indexed: 01/13/2024] Open
Abstract
RATIONALE To analyze clinical and imaging features, ciliary structure and family gene mutation loci of a primary ciliary dyskinesia (PCD) boy with a dual-allele heterozygous mutation of DNAH5. PATIENT CONCERNS Clinical data of the proband and relatives. Electronic bronchoscopy, transmission electron microscope (TEM) of the cilia and next-generation sequencing (NGS) were performed. PCD-related DNAH5 exon mutation sites were searched. DIAGNOSES A 10-year and 10-month-old boy was hospitalized due to "recurrent cough, expectoration, sputum and shortness of breathing after activity for over 7 years, and aggravated for 1 week." Moderate and fine wet rales were detected in bilateral lungs. Clubbing fingers and toes were observed. In local hospitals, he was diagnosed with Mycoplasma pneumoniae infection and Streptococcus pneumoniae was cultured. INTERVENTIONS Pulmonary function testing showed mixed ventilation dysfunction and positive for bronchial dilation test. Imaging examination and fiberoptic bronchoscopy revealed transposition of all viscera, bilateral pneumonia, and bronchiectasis. TEM detected no loss of the outer dynein arms. NGS identified 2 mutations (c.4360C>T, c.9346C>T) in the DNAH5 gene inherited from healthy parents. OUTCOMES According to literature review until 2022, among 144 exon gene mutations causing amino acid changes, C>T mutation is the most common in 44 cases, followed by deletion mutations in 30 cases. Among the amino acid changes induced by gene mutation, terminated mutations were identified in 89 cases. LESSONS For suspected PCD patients, TEM and NGS should be performed. Prompt diagnosis and treatment may delay the incidence of bronchiectasis and improve clinical prognosis.
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Affiliation(s)
- Yu Shi
- Department of Respiratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Qihong Lei
- Department of Respiratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Qing Han
- Department of Respiratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
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Zhao X, Ge H, Xu W, Cheng C, Zhou W, Xu Y, Fan J, Liu Y, Tian X, Xu KF, Zhang X. Lack of CFAP54 causes primary ciliary dyskinesia in a mouse model and human patients. Front Med 2023; 17:1236-1249. [PMID: 37725231 DOI: 10.1007/s11684-023-0997-7] [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: 09/23/2022] [Accepted: 03/06/2023] [Indexed: 09/21/2023]
Abstract
Primary ciliary dyskinesia (PCD) is a highly heterogeneous recessive inherited disorder. FAP54, the homolog of CFAP54 in Chlamydomonas reinhardtii, was previously demonstrated as the C1d projection of the central microtubule apparatus of flagella. A Cfap54 knockout mouse model was then reported to have PCD-relevant phenotypes. Through whole-exome sequencing, compound heterozygous variants c.2649_2657delinC (p. E883Dfs*47) and c.7312_7313insCGCAGGCTGAATTCTTGG (p. T2438delinsTQAEFLA) in a new suspected PCD-relevant gene, CFAP54, were identified in an individual with PCD. Two missense variants, c.4112A>C (p. E1371A) and c.6559C>T (p. P2187S), in CFAP54 were detected in another unrelated patient. In this study, a minigene assay was conducted on the frameshift mutation showing a reduction in mRNA expression. In addition, a CFAP54 in-frame variant knock-in mouse model was established, which recapitulated the typical symptoms of PCD, including hydrocephalus, infertility, and mucus accumulation in nasal sinuses. Correspondingly, two missense variants were deleterious, with a dramatic reduction in mRNA abundance from bronchial tissue and sperm. The identification of PCD-causing variants of CFAP54 in two unrelated patients with PCD for the first time provides strong supportive evidence that CFAP54 is a new PCD-causing gene. This study further helps expand the disease-associated gene spectrum and improve genetic testing for PCD diagnosis in the future.
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Affiliation(s)
- Xinyue Zhao
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China
| | - Haijun Ge
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China
| | - Wenshuai Xu
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China
| | - Chongsheng Cheng
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Wangji Zhou
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yan Xu
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Junping Fan
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yaping Liu
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China.
| | - Xinlun Tian
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Kai-Feng Xu
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Xue Zhang
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China
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Hunter‐Schouela J, Geraghty MT, Hegele RA, Dyment DA, Pierre DS, Richer J, Sheffield H, Zariwala MA, Knowles MR, Lehman A, Dell S, Shapiro AJ, Kovesi TA. First reports of primary ciliary dyskinesia caused by a shared DNAH11 allele in Canadian Inuit. Pediatr Pulmonol 2023; 58:1942-1949. [PMID: 37088965 PMCID: PMC10330405 DOI: 10.1002/ppul.26414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 02/07/2023] [Accepted: 03/31/2023] [Indexed: 04/25/2023]
Abstract
BACKGROUND Primary ciliary dyskinesia (PCD) is typically an autosomal recessive disease characterized by recurrent infections of the lower respiratory tract, frequent and severe otitis media, chronic rhinosinusitis, neonatal respiratory distress, and organ laterality defects. While severe lower respiratory tract infections and bronchiectasis are common in Inuit, PCD has not been recognized in this population. METHODS We report a case series of seven Inuit patients with PCD identified by genetic testing in three Canadian PCD centers. RESULTS Patients ranged from 4 to 59 years of age (at time of last evaluation) and originated in the Qikiqtaaluk region (Baffin Island, n = 5), Nunavut, or Nunavik (northern Quebec, n = 2), Canada. They had typical features of PCD, including neonatal respiratory distress (five patients), situs inversus totalis (four patients), bronchiectasis (four patients), chronic atelectasis (six patients), and chronic otitis media (six patients). Most had chronic rhinitis. Genetic evaluation demonstrated that all had homozygous pathogenic variants in DNAH11 at NM_001277115.1:c.4095+2C>A. CONCLUSIONS The discovery of this homozygous DNAH11 variant in widely disparate parts of the Nunangat (Inuit homelands) suggests this is a founder mutation that may be widespread in Inuit. Thus, PCD may be an important cause of chronic lung, sinus, and middle ear disease in this population. Inuit with chronic lung disease, including bronchiectasis or laterality defects, should undergo genetic testing for PCD. Consideration of including PCD genetic analysis in routine newborn screening should be considered in Inuit regions.
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Affiliation(s)
- Julia Hunter‐Schouela
- Department of Pediatrics, Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Michael T. Geraghty
- Department of Pediatrics, Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Robert A. Hegele
- Department of Medicine and Robarts Research Institute, Western University, London, Ontario, Canada
| | - David A. Dyment
- Department of Genetics, Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - David St Pierre
- Respiratory Epidemiology and Clinical Research Unit, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Julie Richer
- Department of Genetics, Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Holden Sheffield
- Department of Pediatrics, Qikiqtani General Hospital, Iqaluit, Nunavut, Canada
| | - Maimoona A. Zariwala
- Department of Pathology and Laboratory Medicine, Marsico Lung Institute, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Michael R. Knowles
- Department of Medicine, Marsico Lung Institute, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Anna Lehman
- Department of Medical Genetics, University of British Columbia on behalf of the Silent Genomes Precision Medicine Consortium, Vancouver, British Columbia, Canada
| | - Sharon Dell
- Department of Pediatrics, BC Children’s Hospital, Vancouver, British Columbia, Canada
| | - Adam J. Shapiro
- Department of Pediatrics, McGill University Health Centre Research Institute, Montreal, Quebec, Canada
| | - Thomas A. Kovesi
- Department of Pediatrics, Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
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Rabiasz A, Ziętkiewicz E. Schmidtea mediterranea as a Model Organism to Study the Molecular Background of Human Motile Ciliopathies. Int J Mol Sci 2023; 24:ijms24054472. [PMID: 36901899 PMCID: PMC10002865 DOI: 10.3390/ijms24054472] [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: 02/01/2023] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/12/2023] Open
Abstract
Cilia and flagella are evolutionarily conserved organelles that form protrusions on the surface of many growth-arrested or differentiated eukaryotic cells. Due to the structural and functional differences, cilia can be roughly classified as motile and non-motile (primary). Genetically determined dysfunction of motile cilia is the basis of primary ciliary dyskinesia (PCD), a heterogeneous ciliopathy affecting respiratory airways, fertility, and laterality. In the face of the still incomplete knowledge of PCD genetics and phenotype-genotype relations in PCD and the spectrum of PCD-like diseases, a continuous search for new causative genes is required. The use of model organisms has been a great part of the advances in understanding molecular mechanisms and the genetic basis of human diseases; the PCD spectrum is not different in this respect. The planarian model (Schmidtea mediterranea) has been intensely used to study regeneration processes, and-in the context of cilia-their evolution, assembly, and role in cell signaling. However, relatively little attention has been paid to the use of this simple and accessible model for studying the genetics of PCD and related diseases. The recent rapid development of the available planarian databases with detailed genomic and functional annotations prompted us to review the potential of the S. mediterranea model for studying human motile ciliopathies.
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Sodeifian F, Samieefar N, Shahkarami S, Rayzan E, Seyedpour S, Rohlfs M, Klein C, Babaie D, Rezaei N. DNAH11 and a Novel Genetic Variant Associated with Situs Inversus: A Case Report and Review of the Literature. Case Rep Med 2023; 2023:8436715. [PMID: 37153356 PMCID: PMC10154638 DOI: 10.1155/2023/8436715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 04/02/2023] [Accepted: 04/12/2023] [Indexed: 05/09/2023] Open
Abstract
Background Primary ciliary dyskinesia (PCD), also known as the immotile-cilia syndrome, is a clinically and genetically heterogeneous syndrome. Improper function of the cilia causes impaired mucociliary clearance. Neonatal respiratory distress, rhinosinusitis, recurrent chest infections, wet cough, and otitis media are respiratory presentations of this disease. It could also manifest as infertility in males as well as laterality defects in both sexes, such as situs abnormalities (Kartagener syndrome). During the past decade, numerous pathogenic variants in 40 genes have been identified as the causatives of primary ciliary dyskinesia. DNAH11 (dynein axonemal heavy chain 11) is a gene that is responsible for the production of cilia's protein and encodes the outer dynein arm. Dynein heavy chains are motor proteins of the outer dynein arms and play an essential role in ciliary motility. Case Presentation. A 3-year-old boy, the offspring of consanguineous parents, was referred to the pediatric clinical immunology outpatient department with a history of recurrent respiratory tract infections and periodic fever. Furthermore, on medical examination, situs inversus was recognized. His lab results revealed elevated levels of erythrocyte sedimentation rate (ESR) and C reactive protein (CRP). Serum IgG, IgM, and IgA levels were normal, while IgE levels were elevated. Whole exome sequencing (WES) was performed for the patient. WES demonstrated a novel homozygous nonsense variant in DNAH11 (c.5247G > A; p. Trp1749Ter). Conclusion We reported a novel homozygous nonsense variant in DNAH11 in a 3-year-old boy with primary ciliary dyskinesia. Biallelic pathogenic variants in one of the many coding genes involved in the process of ciliogenesis lead to PCD.
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Affiliation(s)
- Fatemeh Sodeifian
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Network of Interdisciplinarity in Neonates and Infants (NINI), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- USERN Office, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Noosha Samieefar
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Network of Interdisciplinarity in Neonates and Infants (NINI), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- USERN Office, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sepideh Shahkarami
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München (LMU), Munich, Germany
| | - Elham Rayzan
- International Hematology/Oncology of Pediatric Experts (IHOPE), Universal Scientific Education and Research Network (USERN), Boston, Massachusetts, USA
| | - Simin Seyedpour
- MD-MPH, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Immunodeficiencies (RCID), Tehran, Iran
| | - Meino Rohlfs
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München (LMU), Munich, Germany
| | - Christoph Klein
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität München (LMU), Munich, Germany
| | - Delara Babaie
- Department of Allergy and Clinical Immunology, Mofid Children Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Network of Interdisciplinarity in Neonates and Infants (NINI), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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Guidone D, Buccirossi M, Scudieri P, Genovese M, Sarnataro S, De Cegli R, Cresta F, Terlizzi V, Planelles G, Crambert G, Sermet I, Galietta LJ. Airway surface hyperviscosity and defective mucociliary transport by IL-17/TNF-α are corrected by β-adrenergic stimulus. JCI Insight 2022; 7:164944. [PMID: 36219481 DOI: 10.1172/jci.insight.164944] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/05/2022] [Indexed: 12/15/2022] Open
Abstract
The fluid covering the surface of airway epithelia represents a first barrier against pathogens. The chemical and physical properties of the airway surface fluid are controlled by the activity of ion channels and transporters. In cystic fibrosis (CF), loss of CFTR chloride channel function causes airway surface dehydration, bacterial infection, and inflammation. We investigated the effects of IL-17A plus TNF-α, 2 cytokines with relevant roles in CF and other chronic lung diseases. Transcriptome analysis revealed a profound change with upregulation of several genes involved in ion transport, antibacterial defense, and neutrophil recruitment. At the functional level, bronchial epithelia treated in vitro with the cytokine combination showed upregulation of ENaC channel, ATP12A proton pump, ADRB2 β-adrenergic receptor, and SLC26A4 anion exchanger. The overall result of IL-17A/TNF-α treatment was hyperviscosity of the airway surface, as demonstrated by fluorescence recovery after photobleaching (FRAP) experiments. Importantly, stimulation with a β-adrenergic agonist switched airway surface to a low-viscosity state in non-CF but not in CF epithelia. Our study suggests that CF lung disease is sustained by a vicious cycle in which epithelia cannot exit from the hyperviscous state, thus perpetuating the proinflammatory airway surface condition.
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Affiliation(s)
- Daniela Guidone
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | | | - Paolo Scudieri
- U.O.C. Genetica Medica, IRCCS Istituto Giannina Gaslini, Genova, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genova, Genova, Italy
| | - Michele Genovese
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Sergio Sarnataro
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Rossella De Cegli
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Federico Cresta
- Centro Fibrosi Cistica, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Vito Terlizzi
- Meyer Children's Hospital, Cystic Fibrosis Regional Reference Center, Department of Paediatric Medicine, Firenze, Italy
| | - Gabrielle Planelles
- Centre de Recherche des Cordeliers, INSERM UMRS 1138, Sorbonne Université, Université Paris Cité, Paris, France.,CNRS EMR 8228, Paris, France
| | - Gilles Crambert
- Centre de Recherche des Cordeliers, INSERM UMRS 1138, Sorbonne Université, Université Paris Cité, Paris, France.,CNRS EMR 8228, Paris, France
| | | | - Luis Jv Galietta
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy.,Department of Translational Medical Sciences (DISMET), University of Napoli "Federico II", Napoli, Italy
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Wei S, Xie H, Cheng Y. Progress in diagnosis of primary ciliary dyskinesia. J Paediatr Child Health 2022; 58:1736-1740. [PMID: 36069395 DOI: 10.1111/jpc.16196] [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: 08/05/2022] [Accepted: 08/21/2022] [Indexed: 11/30/2022]
Abstract
Primary ciliary dyskinesia (PCD) is an autosomal recessive genetic disorder characterised by motor ciliary dysfunction. The main manifestations are bronchiectasis, chronic sinusitis and situs inversus (viscera translocation triad). Additionally, it can present as male infertility and female ectopic pregnancy. However, there is currently no recognised diagnostic standard for PCD, which brings great challenges to its diagnosis and treatment. In addition to clinical data, the current diagnostic methods of PCD mainly include PICADAR, nasal exhaled nitric oxide, transmission electron microscopy, high-resolution immunofluorescence, high-speed video microscopy analysis and gene detection. This article makes a comprehensive comparison of the above diagnostic methods and suggests that genetic detection technology will become the general trend of PCD diagnosis.
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Affiliation(s)
- Shuna Wei
- Department of Respiratory and Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Haojun Xie
- Department of Respiratory and Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yuanxiong Cheng
- Department of Respiratory and Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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12
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Zhang YY, Lou Y, Yan H, Tang H. CCNO mutation as a cause of primary ciliary dyskinesia: A case report. World J Clin Cases 2022; 10:9148-9155. [PMID: 36157652 PMCID: PMC9477031 DOI: 10.12998/wjcc.v10.i25.9148] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/25/2022] [Accepted: 07/22/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Primary ciliary dyskinesia (PCD) is an uncommon and genetically diverse condition. According to reports, most patients had more than 50 visits before being diagnosed with PCD, and the age at diagnosis was mostly in preschool, with an average age of about (10.9 ± 14.4) years old. CCNO is a pathogenic gene that regulates the cell cycle, and its mutation is linked to the uncommon human genetic disorder PCD. Although the prevalence of the CCNO mutation is regarded to be exceptionally low, new reports of this mutation have increased in comparison to prior ones. PCD patients with CCNO are rare, and the incidence rate is no more than 2% in whole PCD patients.
CASE SUMMARY Here, we report a case of a young Chinese woman diagnosed with PCD, who was found to carry the CCNO gene by whole exon gene sequencing. In this case, a young non-smoking Chinese female exhibiting recurrent cough and sputum at birth. Chest computed tomography (CT) showed bronchiectasis with infection, and sinus CT showed chronic sinusitis. However, the patient had no visceral transposition and no history of infertility. Under electron microscope, it was found that cilia were short and reduced in number, and no power arm of cilia was observed. Whole exon sequencing analysis of the genome of the patient showed that the patient carried CCNO pathogenic gene, exon c.303C>A nonsense mutation and c.248_252dup frameshift mutation. Her clinical symptoms and CT images were improved after two months of treatment with aerosol inhalation and oral azithromycin.
CONCLUSION The results showed that CCNO is an important cause of PCD. More mutant genes that may contribute to genetically diverse disorders like PCD have been discovered as sequencing technology has advanced. Furthermore, the increase of genetic information makes it easier to diagnose uncommon diseases in clinical practice.
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Affiliation(s)
- Yun-Yan Zhang
- Department of Respiratory and Critical Care Medicine, Changzheng Hospital, Naval Military Medical University, Shanghai 200003, China
| | - Yan Lou
- Department of Orthopedic Oncology, Spine Tumor Center, Changzheng Hospital, Naval Military Medical University, Shanghai 200003, China
| | - Han Yan
- Department of Nephrology, 905th Hospital of PLA Navy, Naval Military Medical University, Shanghai 200050, China
| | - Hao Tang
- Department of Respiratory and Critical Care Medicine, Changzheng Hospital, Naval Military Medical University, Shanghai 200003, China
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A novel nonsense PKD1L1 variant cause heterotaxy syndrome with congenital asplenia in a Han Chinese patient. J Hum Genet 2022; 67:573-577. [PMID: 35691949 DOI: 10.1038/s10038-022-01053-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 11/08/2022]
Abstract
Heterotaxy syndrome is a very rare congenital disease, which is caused by the disorder of left-right asymmetry during visceral development. However, pathogenic genetic lesions are found in less than 20% of HS patients. In this cohort study, whole-exome sequencing was performed for 110 patients with situs inversus or situs ambiguous. We identified a novel nonsense variant in PKD1L1(c.1387 C > T; p.463Gln*) in a Chinese patient with heterotaxy syndrome and congenital asplenia. This homozygous variant caused the domain of PKD1L1 complete absence. To our knowledge, this novel variant is the first phenotype of congenital asplenia found in patients with PKD1L1 variants, and the first PKD1L1 variant found in China. Our findings expand the spectrum of PKD1L1 variants and provide support for PKD1L1 variant and congenital asplenia, and the critical role of PKD1L1 during left-right patterning in the Han Chinese population.
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14
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Perspectives for Primary Ciliary Dyskinesia. Int J Mol Sci 2022; 23:ijms23084122. [PMID: 35456939 PMCID: PMC9031447 DOI: 10.3390/ijms23084122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 11/25/2022] Open
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15
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Xu J, Li L, Ren J, Zhong X, Xie C, Zheng A, Abudukadier A, Tuerxun M, Zhang S, Tang L, Hairoula D, Zou X. Whole-Exome Sequencing Implicates the USP34 rs777591A > G Intron Variant in Chronic Obstructive Pulmonary Disease in a Kashi Cohort. Front Cell Dev Biol 2022; 9:792027. [PMID: 35198563 PMCID: PMC8859106 DOI: 10.3389/fcell.2021.792027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 12/08/2021] [Indexed: 12/17/2022] Open
Abstract
Genetic factors are important factors in chronic obstructive pulmonary disease (COPD) onset. Plenty of risk and new causative genes for COPD have been identified in patients of the Chinese Han population. In contrast, we know considerably little concerning the genetics in the Kashi COPD population (Uyghur). This study aims at clarifying the genetic maps regarding COPD susceptibility in Kashi (China). Whole-exome sequencing (WES) was used to analyze three Uyghur families with COPD in Kashi (eight patients and one healthy control). Sanger sequencing was also used to verify the WES results in 541 unrelated Uyghur COPD patients and 534 Uyghur healthy controls. WES showed 72 single nucleotide variants (SNVs), two deletions, and small insertions (InDels), 26 copy number variants (CNVs), and 34 structural variants (SVs), including g.71230620T > A (rs12449210T > A, NC_000,016.10) in the HYDIN axonemal central pair apparatus protein (HYDIN) gene and g.61190482A > G (rs777591A > G, NC_000002.12) in the ubiquitin-specific protease 34 (USP34) gene. After Sanger sequencing, we found that rs777591“AA” under different genetic models except for the dominant model (adjusted OR = 0.8559, 95%CI 0.6568–1.115, p > .05), could significantly reduce COPD risk, but rs12449210T > A was not related to COPD. In stratified analysis of smoking status, rs777591“AA” reduced COPD risk significantly among the nonsmoker group. Protein and mRNA expression of USP34 in cigarette smoke extract-treated BEAS-2b cells increased significantly compared with those in the control group. Our findings associate the USP34 rs777591“AA” genotype as a protector factor in COPD.
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Affiliation(s)
- Jingran Xu
- Department of Medical College, Shihezi University, Shihezi, China
| | - Li Li
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Jie Ren
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Xuemei Zhong
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Chengxin Xie
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Aifang Zheng
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Ayiguzali Abudukadier
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Maimaitiaili Tuerxun
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Sujie Zhang
- Department of Medical College, Shihezi University, Shihezi, China
| | - Lifeng Tang
- Department of Medical College, Shihezi University, Shihezi, China
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Dilare Hairoula
- Department of Medical College, Shihezi University, Shihezi, China
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
| | - Xiaoguang Zou
- Department of Medical College, Shihezi University, Shihezi, China
- Department of Respiratory and Critical Care Medicine, First People’s Hospital of Kashi, Kashi, China
- *Correspondence: Xiaoguang Zou,
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16
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Hyland RM, Brody SL. Impact of Motile Ciliopathies on Human Development and Clinical Consequences in the Newborn. Cells 2021; 11:125. [PMID: 35011687 PMCID: PMC8750550 DOI: 10.3390/cells11010125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/28/2021] [Accepted: 12/30/2021] [Indexed: 12/12/2022] Open
Abstract
Motile cilia are hairlike organelles that project outward from a tissue-restricted subset of cells to direct fluid flow. During human development motile cilia guide determination of the left-right axis in the embryo, and in the fetal and neonatal periods they have essential roles in airway clearance in the respiratory tract and regulating cerebral spinal fluid flow in the brain. Dysregulation of motile cilia is best understood through the lens of the genetic disorder primary ciliary dyskinesia (PCD). PCD encompasses all genetic motile ciliopathies resulting from over 60 known genetic mutations and has a unique but often underrecognized neonatal presentation. Neonatal respiratory distress is now known to occur in the majority of patients with PCD, laterality defects are common, and very rarely brain ventricle enlargement occurs. The developmental function of motile cilia and the effect and pathophysiology of motile ciliopathies are incompletely understood in humans. In this review, we will examine the current understanding of the role of motile cilia in human development and clinical considerations when assessing the newborn for suspected motile ciliopathies.
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Affiliation(s)
- Rachael M. Hyland
- Department of Pediatrics, Division of Newborn Medicine, Washington University in Saint Louis School of Medicine, Saint Louis, MO 63110,USA;
| | - Steven L. Brody
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Washington University in Saint Louis School of Medicine, Saint Louis, MO 63110, USA
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17
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LeBlanc S, Allain EP, Girouard G, Mallet M, Amor MB. Expanded phenotype of primary ciliary dyskinesia related to DRC1 pathogenic variant with dysmorphisms and vascular anomalies. Am J Med Genet A 2021; 188:965-969. [PMID: 34851034 DOI: 10.1002/ajmg.a.62586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 11/10/2021] [Indexed: 11/09/2022]
Abstract
We present a case of a female diagnosed with primary ciliary dyskinesia (PCD) type 21 with non-previously reported extrapulmonary symptoms, including facial features and congenital vascular anomalies. Whole genome sequencing in our patient revealed a homozygous pathogenic variant in the DRC1 gene and no other notable structural nor punctual variants. This case demonstrates a unique clinical manifestation of PCD, which is possibly associated with the presence of a homozygous pathogenic DRC1 variant. Therefore, we suggest that analysis of DRC1 be considered with PCD type 21 when such features are present.
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Affiliation(s)
- Samuel LeBlanc
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, New Brunswick, Canada
| | - Eric P Allain
- Department of Medical Genetics, Vitalité Health Network Dr. Georges-L.-Dumont University Hospital Centre, Moncton, New Brunswick, Canada.,Atlantic Cancer Research Institute, Pavillon Hôtel-Dieu, Moncton, New Brunswick, Canada.,Department of Chemistry and Biochemistry, New Brunswick Center for Precision Medicine, Université de Moncton, Moncton, New Brunswick, Canada
| | - Gabriel Girouard
- Department of Medical Microbiology and Infectious Diseases, Vitalité Health Network, Dr. Georges-L.-Dumont University Hospital Centre, Moncton, New Brunswick, Canada
| | - Marcel Mallet
- Department of Respirology, Vitalité Health Network, Dr. Georges-L.-Dumont University Hospital Centre, Moncton, New Brunswick, Canada
| | - Mouna Ben Amor
- Department of Medical Genetics, Vitalité Health Network Dr. Georges-L.-Dumont University Hospital Centre, Moncton, New Brunswick, Canada
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18
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A Study on the Genetics of Primary Ciliary Dyskinesia. J Clin Med 2021; 10:jcm10215102. [PMID: 34768622 PMCID: PMC8584573 DOI: 10.3390/jcm10215102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a poorly understood disorder. It is primarily autosomal recessive and is prevalent in tribal communities of the United Arab Emirates due to consanguineous marriages. This retrospective study aimed to assess the pathogenicity of the genetic variants of PCD in indigenous patients with significant clinical respiratory problems. Pathogenicity scores of variants obtained from the chart review were consolidated using the Ensembl Variant Effect Predictor. The multidimensional dataset of scores was clustered into three groups based on their pathogenicity. Sequence alignment and the Jensen–Shannon Divergence (JSD) were generated to evaluate the amino acid conservation at the site of the variation. One-hundred and twelve variants of 28 genes linked to PCD were identified in 66 patients. Twenty-two variants were double heterozygous, two triple heterozygous, and seven homozygous. Of the thirteen novel variants, two, c.11839 + 1G > A in dynein, axonemal, heavy chain 11 (DNAH11) and p.Lys92Trpfs in dynein, axonemal, intermediate chain 1 (DNAI1) were associated with dextrocardia with situs inversus, and one, p.Gly21Val in coiled-coil domain-containing protein 40 (CCDC40), with absent inner dynein arms. Homozygous C1orf127:p.Arg113Ter (rs558323413) was also associated with laterality defects in two related patients. The majority of variants were missense involving conserved residues with a median JSD score of 0.747. Homology models of two deleterious variants in the stalk of DNAH11, p.Gly3102Asp and p.Leu3127Arg, revealed structural importance of the conserved glycine and leucine. These results define potentially damaging PCD variants in the region. Future studies, however, are needed to fully comprehend the genetic underpinnings of PCD.
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19
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Stevanovic N, Skakic A, Minic P, Sovtic A, Stojiljkovic M, Pavlovic S, Andjelkovic M. Identification and Classification of Novel Genetic Variants: En Route to the Diagnosis of Primary Ciliary Dyskinesia. Int J Mol Sci 2021; 22:ijms22168821. [PMID: 34445527 PMCID: PMC8396207 DOI: 10.3390/ijms22168821] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/29/2021] [Accepted: 08/12/2021] [Indexed: 12/30/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a disease caused by impaired function of motile cilia. PCD mainly affects the lungs and reproductive organs. Inheritance is autosomal recessive and X-linked. PCD patients have diverse clinical manifestations, thus making the establishment of proper diagnosis challenging. The utility of next-generation sequencing (NGS) technology for diagnostic purposes allows for better understanding of the PCD genetic background. However, identification of specific disease-causing variants is difficult. The main aim of this study was to create a unique guideline that will enable the standardization of the assessment of novel genetic variants within PCD-associated genes. The designed pipeline consists of three main steps: (1) sequencing, detection, and identification of genes/variants; (2) classification of variants according to their effect; and (3) variant characterization using in silico structural and functional analysis. The pipeline was validated through the analysis of the variants detected in a well-known PCD disease-causing gene (DNAI1) and the novel candidate gene (SPAG16). The application of this pipeline resulted in identification of potential disease-causing variants, as well as validation of the variants pathogenicity, through their analysis on transcriptional, translational, and posttranslational levels. The application of this pipeline leads to the confirmation of PCD diagnosis and enables a shift from candidate to PCD disease-causing gene.
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Affiliation(s)
- Nina Stevanovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11010 Belgrade, Serbia; (N.S.); (A.S.); (M.S.); (S.P.)
| | - Anita Skakic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11010 Belgrade, Serbia; (N.S.); (A.S.); (M.S.); (S.P.)
| | - Predrag Minic
- Mother and Child Health Care Institute of Serbia Dr. VukanCupic, 11070 Belgrade, Serbia; (P.M.); (A.S.)
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Aleksandar Sovtic
- Mother and Child Health Care Institute of Serbia Dr. VukanCupic, 11070 Belgrade, Serbia; (P.M.); (A.S.)
| | - Maja Stojiljkovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11010 Belgrade, Serbia; (N.S.); (A.S.); (M.S.); (S.P.)
| | - Sonja Pavlovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11010 Belgrade, Serbia; (N.S.); (A.S.); (M.S.); (S.P.)
| | - Marina Andjelkovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11010 Belgrade, Serbia; (N.S.); (A.S.); (M.S.); (S.P.)
- Correspondence: ; Tel.: +381-64-2202-373; Fax: +381-11-3975-808
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20
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A 'tad' of hope in the fight against airway disease. Biochem Soc Trans 2021; 48:2347-2357. [PMID: 33079166 PMCID: PMC7614538 DOI: 10.1042/bst20200745] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 11/17/2022]
Abstract
Xenopus tadpoles have emerged as a powerful in vivo model system to study mucociliary epithelia such as those found in the human airways. The tadpole skin has mucin-secreting cells, motile multi-ciliated cells, ionocytes (control local ionic homeostasis) and basal stem cells. This cellular architecture is very similar to the large airways of the human lungs and represents an easily accessible and experimentally tractable model system to explore the molecular details of mucociliary epithelia. Each of the cell types in the tadpole skin has a human equivalent and a conserved network of genes and signalling pathways for their differentiation has been discovered. Great insight into the function of each of the cell types has been achieved using the Xenopus model and this has enhanced our understanding of airway disease. This simple model has already had a profound impact on the field but, as molecular technologies (e.g. gene editing and live imaging) continue to develop apace, its use for understanding individual cell types and their interactions will likely increase. For example, its small size and genetic tractability make it an ideal model for live imaging of a mucociliary surface especially during environmental challenges such as infection. Further potential exists for the mimicking of human genetic mutations that directly cause airway disease and for the pre-screening of drugs against novel therapeutic targets.
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21
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Zhao Y, Pinskey J, Lin J, Yin W, Sears PR, Daniels LA, Zariwala MA, Knowles MR, Ostrowski LE, Nicastro D. Structural insights into the cause of human RSPH4A primary ciliary dyskinesia. Mol Biol Cell 2021; 32:1202-1209. [PMID: 33852348 PMCID: PMC8351563 DOI: 10.1091/mbc.e20-12-0806] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/25/2021] [Accepted: 04/06/2021] [Indexed: 11/30/2022] Open
Abstract
Cilia and flagella are evolutionarily conserved eukaryotic organelles involved in cell motility and signaling. In humans, mutations in Radial Spoke Head Component 4A (RSPH4A) can lead to primary ciliary dyskinesia (PCD), a life-shortening disease characterized by chronic respiratory tract infections, abnormal organ positioning, and infertility. Despite its importance for human health, the location of RSPH4A in human cilia has not been resolved, and the structural basis of RSPH4A-/- PCD remains elusive. Here, we present the native three-dimensional structure of RSPH4A-/- human respiratory cilia using samples collected noninvasively from a PCD patient. Using cryo-electron tomography (cryo-ET) and subtomogram averaging, we compared the structures of control and RSPH4A-/- cilia, revealing primary defects in two of the three radial spokes (RSs) within the axonemal repeat and secondary (heterogeneous) defects in the central pair complex. Similar to RSPH1-/- cilia, the radial spoke heads of RS1 and RS2, but not RS3, were missing in RSPH4A-/- cilia. However, RSPH4A-/- cilia also exhibited defects within the arch domains adjacent to the RS1 and RS2 heads, which were not observed with RSPH1 loss. Our results provide insight into the underlying structural basis for RSPH4A-/- PCD and highlight the benefits of applying cryo-ET directly to patient samples for molecular structure determination.
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Affiliation(s)
- Yanhe Zhao
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390
| | - Justine Pinskey
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390
| | - Jianfeng Lin
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390
| | - Weining Yin
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Patrick R Sears
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Leigh A Daniels
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Medicine
| | - Maimoona A Zariwala
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Pathology and Laboratory Medicine, and
| | - Michael R Knowles
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Medicine
| | - Lawrence E Ostrowski
- Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Pediatrics, University of North Carolina School of Medicine, Chapel Hill, NC 27599
| | - Daniela Nicastro
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390
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22
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Establishment of an induced pluripotent stem cell line from a patient with primary ciliary dyskinesia carrying biallelic mutations in CCNO. Stem Cell Res 2021; 53:102372. [PMID: 34088001 DOI: 10.1016/j.scr.2021.102372] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/04/2021] [Accepted: 04/25/2021] [Indexed: 12/21/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is an autosomal recessive hereditary disorder affecting motile cilia structure and function, which leads to respiratory diseases and infertility. Here, an induced pluripotent stem cell (iPSC) line of PCD was generated from peripheral blood mononuclear cells of a female patient carrying biallelic mutations in Cyclin O (CCNO) gene. Reprogramming was performed with the non-integrated episomal vectors. The obtained transgene-free iPSCs had normal karyotypes, expressed pluripotency genes, and differentiated into three germ layers. This iPSC line could be a useful guide for studying the pathogenic mechanism, establishing a disease model of PCD, and screening potential therapeutic targets.
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23
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Šedová L, Buková I, Bažantová P, Petrezsélyová S, Prochazka J, Školníková E, Zudová D, Včelák J, Makovický P, Bendlová B, Šeda O, Sedlacek R. Semi-Lethal Primary Ciliary Dyskinesia in Rats Lacking the Nme7 Gene. Int J Mol Sci 2021; 22:ijms22083810. [PMID: 33916973 PMCID: PMC8067621 DOI: 10.3390/ijms22083810] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 12/19/2022] Open
Abstract
NME7 (non-metastatic cells 7, nucleoside diphosphate kinase 7) is a member of a gene family with a profound effect on health/disease status. NME7 is an established member of the ciliome and contributes to the regulation of the microtubule-organizing center. We aimed to create a rat model to further investigate the phenotypic consequences of Nme7 gene deletion. The CRISPR/Cas9 nuclease system was used for the generation of Sprague Dawley Nme7 knock-out rats targeting the exon 4 of the Nme7 gene. We found the homozygous Nme7 gene deletion to be semi-lethal, as the majority of SDNme7−/− pups died prior to weaning. The most prominent phenotypes in surviving SDNme7−/− animals were hydrocephalus, situs inversus totalis, postnatal growth retardation, and sterility of both sexes. Thinning of the neocortex was histologically evident at 13.5 day of gestation, dilation of all ventricles was detected at birth, and an external sign of hydrocephalus, i.e., doming of the skull, was usually apparent at 2 weeks of age. Heterozygous SDNme7+/− rats developed normally; we did not detect any symptoms of primary ciliary dyskinesia. The transcriptomic profile of liver and lungs corroborated the histological findings, revealing defects in cell function and viability. In summary, the knock-out of the rat Nme7 gene resulted in a range of conditions consistent with the presentation of primary ciliary dyskinesia, supporting the previously implicated role of the centrosomally located Nme7 gene in ciliogenesis and control of ciliary transport.
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Affiliation(s)
- Lucie Šedová
- Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (S.P.); (E.Š.); (R.S.)
- Institute of Biology and Medical Genetics, The First Faculty of Medicine, Charles University and the General University Hospital, 128 00 Prague, Czech Republic; (P.B.); (O.Š.)
- Correspondence:
| | - Ivana Buková
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (I.B.); (J.P.); (D.Z.)
| | - Pavla Bažantová
- Institute of Biology and Medical Genetics, The First Faculty of Medicine, Charles University and the General University Hospital, 128 00 Prague, Czech Republic; (P.B.); (O.Š.)
| | - Silvia Petrezsélyová
- Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (S.P.); (E.Š.); (R.S.)
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (I.B.); (J.P.); (D.Z.)
| | - Jan Prochazka
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (I.B.); (J.P.); (D.Z.)
| | - Elena Školníková
- Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (S.P.); (E.Š.); (R.S.)
- Institute of Biology and Medical Genetics, The First Faculty of Medicine, Charles University and the General University Hospital, 128 00 Prague, Czech Republic; (P.B.); (O.Š.)
| | - Dagmar Zudová
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (I.B.); (J.P.); (D.Z.)
| | - Josef Včelák
- Department of Molecular Endocrinology, Institute of Endocrinology, 116 94 Prague, Czech Republic; (J.V.); (B.B.)
| | - Pavol Makovický
- Department of Biology, Faculty of Education, J. Selye University, 945 01 Komarno, Slovakia;
| | - Běla Bendlová
- Department of Molecular Endocrinology, Institute of Endocrinology, 116 94 Prague, Czech Republic; (J.V.); (B.B.)
| | - Ondřej Šeda
- Institute of Biology and Medical Genetics, The First Faculty of Medicine, Charles University and the General University Hospital, 128 00 Prague, Czech Republic; (P.B.); (O.Š.)
| | - Radislav Sedlacek
- Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (S.P.); (E.Š.); (R.S.)
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., 252 50 Vestec, Czech Republic; (I.B.); (J.P.); (D.Z.)
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24
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Abdelhamed Z, Lukacs M, Cindric S, Ali S, Omran H, Stottmann RW. A novel hypomorphic allele of Spag17 causes primary ciliary dyskinesia phenotypes in mice. Dis Model Mech 2020; 13:dmm045344. [PMID: 32988999 PMCID: PMC7648611 DOI: 10.1242/dmm.045344] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 08/24/2020] [Indexed: 12/22/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a human condition of dysfunctional motile cilia characterized by recurrent lung infection, infertility, organ laterality defects and partially penetrant hydrocephalus. We recovered a mouse mutant from a forward genetic screen that developed many of the hallmark phenotypes of PCD. Whole-exome sequencing identified this primary ciliary dyskinesia only (Pcdo) allele to be a nonsense mutation (c.5236A>T) in the Spag17 coding sequence creating a premature stop codon (K1746*). The Pcdo variant abolished several isoforms of SPAG17 in the Pcdo mutant testis but not in the brain. Our data indicate differential requirements for SPAG17 in different types of motile cilia. SPAG17 is essential for proper development of the sperm flagellum and is required for either development or stability of the C1 microtubule structure within the central pair apparatus of the respiratory motile cilia, but not the brain ependymal cilia. We identified changes in ependymal ciliary beating frequency, but these did not appear to alter lateral ventricle cerebrospinal fluid flow. Aqueductal stenosis resulted in significantly slower and abnormally directed cerebrospinal fluid flow, and we suggest that this is the root cause of the hydrocephalus. The Spag17Pcdo homozygous mutant mice are generally viable to adulthood but have a significantly shortened lifespan, with chronic morbidity. Our data indicate that the c.5236A>T Pcdo variant is a hypomorphic allele of Spag17 that causes phenotypes related to motile, but not primary, cilia. Spag17Pcdo is a useful new model for elucidating the molecular mechanisms underlying central pair PCD pathogenesis in the mouse.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Zakia Abdelhamed
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Anatomy and Embryology, Faculty of Medicine (Girl's Section), Al-Azhar University, Cairo 11651, Egypt
| | - Marshall Lukacs
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Medical Scientist Training Program, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Sandra Cindric
- Department of General Pediatrics, University Children's Hospital Münster, 48149 Münster, Germany
| | - Saima Ali
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Heymut Omran
- Department of General Pediatrics, University Children's Hospital Münster, 48149 Münster, Germany
| | - Rolf W Stottmann
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Medical Scientist Training Program, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati, Cincinnati, OH 45229, USA
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25
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Subaran RL, Stewart WCL. FREQMAX provides an alternative approach for determining high-resolution allele frequency thresholds in carrier screening. Hum Mutat 2020; 41:2078-2086. [PMID: 33032373 DOI: 10.1002/humu.24123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 06/26/2020] [Accepted: 10/01/2020] [Indexed: 11/08/2022]
Abstract
As whole-genome data become available for increasing numbers of individuals across diverse populations, the list of genomic variants of unknown significance (VOUS) continues to grow. One powerful tool in VOUS interpretation is determining whether an allele is too common to be considered pathogenic. As genetic and epidemiological parameters vary across disease models, so too does the pathogenic allele frequency threshold for each disease gene. One threshold-setting approach is the maximum credible allele frequency (MCAF) method. However, estimating some of the input values MCAF requires, especially those involving heterogeneity, can present nontrivial statistical challenges. Here, we introduce FREQMAX, our alternative approach for determining allele frequency thresholds in carrier screening. FREQMAX makes efficient use of the data available for well-studied traits and exhibits flexibility for traits where information may be less complete. For cystic fibrosis, more alleles are excluded as benign by FREQMAX than by MCAF. For less-comprehensively characterized traits like ciliary dyskinesia and Smith-Lemli-Opitz syndrome, FREQMAX is able to set the allele frequency threshold without requiring a priori estimates of maximum genetic and allelic contributions. Furthermore, though we describe FREQMAX in the context of carrier screening, its classical population genetics framework also provides context for adaptation to other trait models.
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Affiliation(s)
- Ryan L Subaran
- Bioinformatics R&D, Sema4, a Mount Sinai Venture, Stamford, Connecticut, USA
| | - William C L Stewart
- Battelle Center for Mathematical Medicine, Nationwide Children's Hospital, Columbus, Ohio, USA
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26
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Cannarella R, Maniscalchi ET, Condorelli RA, Scalia M, Guerri G, La Vignera S, Bertelli M, Calogero AE. Ultrastructural Sperm Flagellum Defects in a Patient With CCDC39 Compound Heterozygous Mutations and Primary Ciliary Dyskinesia/ Situs Viscerum Inversus. Front Genet 2020; 11:974. [PMID: 33005176 PMCID: PMC7483550 DOI: 10.3389/fgene.2020.00974] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 07/31/2020] [Indexed: 11/13/2022] Open
Abstract
Introduction: Primary ciliary dyskinesia (PCD) is a rare autosomal recessive disease characterized by structural or functional motile cilia abnormalities. Up to 40 different genes seem, at the moment, to be involved in the pathogenesis of PCD. A number of ultrastructural defects have also been reported in sperm flagella, but the sperm mitochondrial membrane potential (MMP) has never been described in these cases. Aim: The aim of this study was to report the sperm MMP and ultrastructural abnormalities of the sperm flagella found in a patient with PCD and situs inversus (Kartagener syndrome) and its characterization from the genetic point of view. Methods: Transmission electronic microscopy (TEM) analysis was used to evaluate flagella ultrastructure. The genetic testing was performed by next-generation sequencing. Sperm DNA fragmentation and MMP were also evaluated by flow cytometry. Results: We report here the case of an 18-year-old male patient with PCD and situs inversus and severe oligo-astheno-teratozoospermia. TEM analysis of his spermatozoa showed an abnormal connecting piece. The mid piece appeared abnormally thickened, with cytoplasmic residue, dysplasia of fibrous sheath, loss of the outer dynein arms (ODAs), truncated inner dynein arms, and supernumerary outer fibers. The percentage of spermatozoa with fragmented DNA was normal, whereas a high percentage of spermatozoa had low MMP, suggesting an altered mitochondrial function. The genetic analysis showed the presence of c.610-2A > G, p.Arg811Cys compound heterozygous mutations in the CCDC39 gene. Conclusion: The case herein reported suggests that the high percentage of sperm with low MMP may play a role in the pathogenesis of asthenozoospermia in patients with Kartagener syndrome. In addition, we report, for the first time, the missense variant p.Arg811Cys in the CCDC39 gene in a patient with Kartagener syndrome. Although in silico analysis predicts its damaging potential, its clinical meaning remains unclear.
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Affiliation(s)
- Rossella Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | | | | | - Marina Scalia
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics, University of Catania, Catania, Italy
| | | | - Sandro La Vignera
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | | | - Aldo Eugenio Calogero
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
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27
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Sahabian A, von Schlehdorn L, Drick N, Pink I, Dahlmann J, Haase A, Göhring G, Welte T, Martin U, Ringshausen FC, Olmer R. Generation of two hiPSC clones (MHHi019-A, MHHi019-B) from a primary ciliary dyskinesia patient carrying a homozygous deletion in the NME5 gene (c.415delA (p.Ile139Tyrfs*8)). Stem Cell Res 2020; 48:101988. [PMID: 32950024 DOI: 10.1016/j.scr.2020.101988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/19/2020] [Accepted: 09/01/2020] [Indexed: 01/10/2023] Open
Abstract
Primary ciliary dyskinesia (PCD) is a genetic disorder characterized by defects in motile cilia and is known to occur in about 1 in 20,000 live births (Horani and Ferkol, 2018). Among the many genes associated with PCD, NME5, a gene encoding a protein involved in ciliary function, was recently reported to be involved in PCD (Anderegg et al., 2019; Cho et al., 2020). We have established two human induced pluripotent stem cell clones from a PCD patient carrying a deletion in the NME5 gene (c.415delA (p.Ile139Tyrfs*8)).
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Affiliation(s)
- Anais Sahabian
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Laura von Schlehdorn
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Nora Drick
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Isabell Pink
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Julia Dahlmann
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Alexandra Haase
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Gudrun Göhring
- Department of Human Genetics, Hannover Medical School, 30625 Hannover, Germany
| | - Tobias Welte
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany.
| | - Felix C Ringshausen
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Ruth Olmer
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany.
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28
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Dahlmann J, Sahabian A, Drick N, Haase A, Göhring G, Lachmann N, Ringshausen FC, Welte T, Martin U, Olmer R. Generation of two hiPSC lines (MHHi016-A, MHHi016-B) from a primary ciliary dyskinesia patient carrying a homozygous 5 bp duplication (c.248_252dup (p.Gly85Cysfs*11)) in exon 1 of the CCNO gene. Stem Cell Res 2020; 46:101850. [PMID: 32464346 DOI: 10.1016/j.scr.2020.101850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 05/04/2020] [Indexed: 12/19/2022] Open
Abstract
Cyclin O (CCNO) is involved in cell cycle regulation and mutations of CCNO are linked to the rare genetic disease primary ciliary dyskinesia (PCD). Mutations in CCNO are associated with reduced cilia number and cilia agenesis on epithelia of the respiratory tract. This article deals with the description of two hiPSC lines generated from a PCD patient carrying a mutation in exon 1 of the CCNO gene. The lines offer a valuable tool for in vitro modeling PCD pathophysiology.
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Affiliation(s)
- Julia Dahlmann
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Anais Sahabian
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Nora Drick
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Alexandra Haase
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Gudrun Göhring
- Department of Human Genetics, Hannover Medical School, 30625 Hannover, Germany
| | - Nico Lachmann
- REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; RG Translational Hematology of Congenital Diseases, Institute of Experimental Hematology, Hannover Medical School, 30625 Hannover, Germany
| | - Felix C Ringshausen
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Tobias Welte
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany; Department of Respiratory Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
| | - Ruth Olmer
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Germany
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29
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Zietkiewicz E, Bukowy-Bieryllo Z, Rabiasz A, Daca-Roszak P, Wojda A, Voelkel K, Rutkiewicz E, Pogorzelski A, Rasteiro M, Witt M. CFAP300: Mutations in Slavic Patients with Primary Ciliary Dyskinesia and a Role in Ciliary Dynein Arms Trafficking. Am J Respir Cell Mol Biol 2020; 61:440-449. [PMID: 30916986 DOI: 10.1165/rcmb.2018-0260oc] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a rare, genetically heterogeneous hereditary disease from a class of ciliopathies. In spite of the recent progress, the genetic basis of PCD in one-third of patients remains unknown. In search for new genes and/or mutations, whole-exome sequencing was performed in 120 unrelated Polish patients with PCD, in whom no genetic cause of PCD was earlier identified. Among a number of pathogenic variants in PCD genes, mutations in CFAP300 (alias C11orf70) were detected. Extended screening in the whole Polish PCD cohort revealed the relatively high frequency (3.6%) of otherwise rare c.[198_200 del_insCC] variant, indicating that it should be included in population-specific genetic tests for PCD in Slavic populations. Immunofluorescence analysis of the respiratory epithelial cells from patients with CFAP300 mutations revealed the absence or aberrant localization of outer and inner dynein arm markers, consistent with transmission electron microscope images indicating the lack of both dynein arms. Interestingly, the disparate localization of DNAH5 and DNALI1 proteins in patients with CFAP300 mutations suggested differential mechanisms for the trafficking of preassembled outer and inner dynein arms to the axoneme. The profile of CFAP300 expression during ciliogenesis in suspension culture was consistent with its role in cilia assembly. Gene silencing experiments, performed in a model organism, Schmidtea mediterranea (flatworm), pointed to the conserved role of CFAP300 in ciliary function.
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Affiliation(s)
- Ewa Zietkiewicz
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | | | - Alicja Rabiasz
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | | | - Alina Wojda
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - Katarzyna Voelkel
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - Ewa Rutkiewicz
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - Andrzej Pogorzelski
- Department of Pneumology and Cystic Fibrosis, Institute of Tuberculosis and Lung Diseases, Rabka, Poland; and
| | - Margarida Rasteiro
- Chronic Diseases Research Centre (CEDOC), NOVA Medical School-Faculdade de Ciências Médicas, Lisbon, Portugal
| | - Michal Witt
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
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30
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Shoemark A, Boon M, Brochhausen C, Bukowy-Bieryllo Z, De Santi MM, Goggin P, Griffin P, Hegele RG, Hirst RA, Leigh MW, Lupton A, MacKenney K, Omran H, Pache JC, Pinto A, Reinholt FP, Schroeder J, Yiallouros P, Escudier E. International consensus guideline for reporting transmission electron microscopy results in the diagnosis of primary ciliary dyskinesia (BEAT PCD TEM Criteria). Eur Respir J 2020; 55:13993003.00725-2019. [PMID: 32060067 DOI: 10.1183/13993003.00725-2019] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 01/24/2020] [Indexed: 11/05/2022]
Abstract
Primary ciliary dyskinesia (PCD) is a heterogeneous genetic condition. European and North American diagnostic guidelines recommend transmission electron microscopy (TEM) as one of a combination of tests to confirm a diagnosis. However, there is no definition of what constitutes a defect or consensus on reporting terminology. The aim of this project was to provide an internationally agreed ultrastructural classification for PCD diagnosis by TEM.A consensus guideline was developed by PCD electron microscopy experts representing 18 centres in 14 countries. An initial meeting and discussion were followed by a Delphi consensus process. The agreed guideline was then tested, modified and retested through exchange of samples and electron micrographs between the 18 diagnostic centres.The final guideline a) provides agreed terminology and a definition of Class 1 defects which are diagnostic for PCD; b) identifies Class 2 defects which can indicate a diagnosis of PCD in combination with other supporting evidence; c) describes features which should be included in a ciliary ultrastructure report to assist multidisciplinary diagnosis of PCD; and d) defines adequacy of a diagnostic sample.This tested and externally validated statement provides a clear guideline for the diagnosis of PCD by TEM which can be used to standardise diagnosis internationally.
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Affiliation(s)
- Amelia Shoemark
- Royal Brompton Hospital, London, UK.,School of Medicine, University of Dundee, Dundee, UK
| | - Mieke Boon
- Dept of Pediatrics, University Hospital Leuven, Leuven, Belgium
| | | | | | | | - Patricia Goggin
- University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Paul Griffin
- Royal Brompton Hospital, London, UK.,Royal Childrens Hospital, Melbourne, Australia
| | - Richard G Hegele
- Hospital for Sick Children-University of Toronto, Toronto, ON, Canada
| | - Robert A Hirst
- Dept of Respiratory Sciences, University of Leicester, Leicester, UK
| | - Margaret W Leigh
- Dept of Pediatrics and Marsico Lung Institute, University of North Carolina, Chapel Hill, NC, USA
| | - Alison Lupton
- Pathology Dept, Greater Glasgow and Clyde, Queen Elizabeth University Hospital, Glasgow, UK
| | - Karen MacKenney
- NSW Health Pathology, Concord Repatriation General Hospital, Sydney, Australia
| | - Heymut Omran
- Dept of Pediatrics, University Hospital Muenster, Muenster, Germany
| | | | | | | | - Josep Schroeder
- Institute of Pathology, University Regensburg, Regensberg, Germany
| | | | - Estelle Escudier
- Sorbonne Université, Faculté de Médecine, INSERM UMR_S933, (APHP) Assistance Publique Hôpitaux de Paris and CHIC (Centre Hospitalier Intercommunal de Créteil), Paris, France
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31
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Touré A, Martinez G, Kherraf ZE, Cazin C, Beurois J, Arnoult C, Ray PF, Coutton C. The genetic architecture of morphological abnormalities of the sperm tail. Hum Genet 2020; 140:21-42. [PMID: 31950240 DOI: 10.1007/s00439-020-02113-x] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 01/06/2020] [Indexed: 12/29/2022]
Abstract
Spermatozoa contain highly specialized structural features reflecting unique functions required for fertilization. Among them, the flagellum is a sperm-specific organelle required to generate the motility, which is essential to reach the egg. The flagellum integrity is, therefore, critical for normal sperm function and flagellum defects consistently lead to male infertility due to reduced or absent sperm motility defined as asthenozoospermia. Multiple morphological abnormalities of the flagella (MMAF), also called short tails, is among the most severe forms of sperm flagellum defects responsible for male infertility and is characterized by the presence in the ejaculate of spermatozoa being short, coiled, absent and of irregular caliber. Recent studies have demonstrated that MMAF is genetically heterogeneous which is consistent with the large number of proteins (over one thousand) localized in the human sperm flagella. In the past 5 years, genomic investigation of the MMAF phenotype allowed the identification of 18 genes whose mutations induce MMAF and infertility. Here we will review information about those genes including their expression pattern, the features of the encoded proteins together with their localization within the different flagellar protein complexes (axonemal or peri-axonemal) and their potential functions. We will categorize the identified MMAF genes following the protein complexes, functions or biological processes they may be associated with, based on the current knowledge in the field.
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Affiliation(s)
- Aminata Touré
- Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, 75014, Paris, France.,INSERM U1016, Institut Cochin, 75014, Paris, France.,Centre National de La Recherche Scientifique UMR8104, 75014, Paris, France
| | - Guillaume Martinez
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France.,CHU Grenoble Alpes, UM de Génétique Chromosomique, 38000, Grenoble, France
| | - Zine-Eddine Kherraf
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France.,CHU Grenoble Alpes, UM GI-DPI, 38000, Grenoble, France
| | - Caroline Cazin
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France
| | - Julie Beurois
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France
| | - Christophe Arnoult
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France
| | - Pierre F Ray
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France.,CHU Grenoble Alpes, UM GI-DPI, 38000, Grenoble, France
| | - Charles Coutton
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, Team Genetics Epigenetics and Therapies of Infertility, Univ. Grenoble Alpes, 38000, Grenoble, France. .,CHU Grenoble Alpes, UM de Génétique Chromosomique, 38000, Grenoble, France.
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32
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Yue Y, Huang Q, Zhu P, Zhao P, Tan X, Liu S, Li S, Han X, Cheng L, Li B, Fu Y. Identification of Pathogenic Mutations and Investigation of the NOTCH Pathway Activation in Kartagener Syndrome. Front Genet 2019; 10:749. [PMID: 31507630 PMCID: PMC6713718 DOI: 10.3389/fgene.2019.00749] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 07/17/2019] [Indexed: 11/13/2022] Open
Abstract
Primary ciliary dyskinesia (PCD), a rare genetic disorder, is mostly caused by defects in more than 40 known cilia structure-related genes. However, in approximately 20-35% of patients, it is caused by unknown genetic factors, and the inherited pathogenic factors are difficult to confirm. Kartagener syndrome (KTS) is a subtype of PCD associated with situs inversus, presenting more complex genetic heterogeneity. The aim of this study was to identify pathogenic mutations of candidate genes in Chinese patients with KTS and investigate the activation of the heterotaxy-related NOTCH pathway. Whole-exome sequencing was conducted in five patients with KTS. Pathogenic variants were identified using bioinformatics analysis. Candidate variants were validated by Sanger sequencing. The expression of the NOTCH pathway target genes was detected in patients with KTS. We identified 10 KTS-associated variants in six causative genes, namely, CCDC40, DNAH1, DNAH5, DNAH11, DNAI1, and LRRC6. Only one homozygote mutation was identified in LRRC6 (c.64dupT). Compound heterozygous mutations were found in DNAH1 and DNAH5. Six novel mutations were identified in four genes. Further analyses showed that the NOTCH pathway might be activated in patients with KTS. Overall, our study showed that compound heterozygous mutations widely exist in Chinese KTS patients. Our results demonstrated that the activation of the NOTCH pathway might play a role in the situs inversus pathogenicity of KTS. These findings highlight that Kartagener syndrome might be a complex genetic heterogeneous disorder mediated by heterozygous mutations in multiple PCD- or cilia-related genes.
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Affiliation(s)
- Yongjian Yue
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Qijun Huang
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Peng Zhu
- Central Lab of Shenzhen Pingshan People's Hospital, Shenzhen, China
| | - Pan Zhao
- Clinical Medical Research Center, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Xinjuan Tan
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Shengguo Liu
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Shulin Li
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Xuemei Han
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Linling Cheng
- State Key Laboratory of Respiration Diseases, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bo Li
- Department of Pediatric, First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
| | - Yingyun Fu
- Key Laboratory of Shenzhen Respiratory Diseases, Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Disease, The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China
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Pereira R, Oliveira ME, Santos R, Oliveira E, Barbosa T, Santos T, Gonçalves P, Ferraz L, Pinto S, Barros A, Oliveira J, Sousa M. Characterization of CCDC103 expression profiles: further insights in primary ciliary dyskinesia and in human reproduction. J Assist Reprod Genet 2019; 36:1683-1700. [PMID: 31273583 PMCID: PMC6708006 DOI: 10.1007/s10815-019-01509-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/13/2019] [Indexed: 01/14/2023] Open
Abstract
PROPOSE To study CCDC103 expression profiles and understand how pathogenic variants in CCDC103 affect its expression profile at mRNA and protein level. METHODS To increase the knowledge about the CCDC103, we attempted genotype-phenotype correlations in two patients carrying novel homozygous (missense and frameshift) CCDC103 variants. Whole-exome sequencing, quantitative PCR, Western blot, electron microscopy, immunohistochemistry, immunocytochemistry, and immunogold labelling were performed to characterize CCDC103 expression profiles in reproductive and somatic cells. RESULTS Our data demonstrate that pathogenic variants in CCDC103 gene negatively affect gene and protein expression in both patients who presented absence of DA on their axonemes. Further, we firstly report that CCDC103 is expressed at different levels in reproductive tissues and somatic cells and described that CCDC103 protein forms oligomers with tissue-specific sizes, which suggests that CCDC103 possibly undergoes post-translational modifications. Moreover, we reported that CCDC103 was restricted to the midpiece of sperm and is present at the cytoplasm of the other cells. CONCLUSIONS Overall, our data support the CCDC103 involvement in PCD and suggest that CCDC103 may have different assemblies and roles in cilia and sperm flagella biology that are still unexplored.
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Affiliation(s)
- R. Pereira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
| | - M. E. Oliveira
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
| | - R. Santos
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Biochemistry, Faculty of Pharmacy, University of Porto (FFUP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - E. Oliveira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
| | - T. Barbosa
- Department of Pediatrics, Maternal Child Centre of the North (CMIN), University Hospital Centre of Porto (CHUP), Largo da Maternidade, 4050-371 Porto, Portugal
| | - T. Santos
- Department of Otorhinolaryngology, S. Sebastião Hospital, Hospital Centre of entre Douro e Vouga, Rua Dr. Cândido Pinho 5, 4520-211 Santa Maria da Feira, Portugal
| | - P. Gonçalves
- Department of Otorhinolaryngology, S. Sebastião Hospital, Hospital Centre of entre Douro e Vouga, Rua Dr. Cândido Pinho 5, 4520-211 Santa Maria da Feira, Portugal
| | - L. Ferraz
- Department of Urology, Hospital Centre of Vila Nova de Gaia/Espinho, Unit 1, Rua Conceição Fernandes 1079, 4434-502 Vila Nova de Gaia, Portugal
| | - S. Pinto
- Centre for Reproductive Genetics Prof. Alberto Barros (CGR), Av. do Bessa, 240, 1° Dto. Frente, 4100-012 Porto, Portugal
| | - A. Barros
- Centre for Reproductive Genetics Prof. Alberto Barros (CGR), Av. do Bessa, 240, 1° Dto. Frente, 4100-012 Porto, Portugal
- Department of Genetics, Faculty of Medicine, University of Porto (FMUP), Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - J. Oliveira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
- Molecular Genetics Unit, Center of Medical Genetics Dr. Jacinto Magalhães (CGMJM), University Hospital Centre of Porto (CHUP), Praça Pedro Nunes, 88, 4099-028 Porto, Portugal
| | - M. Sousa
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS-UP, Porto, Portugal
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Cost-effectiveness analysis of three algorithms for diagnosing primary ciliary dyskinesia: a simulation study. Orphanet J Rare Dis 2019; 14:142. [PMID: 31196140 PMCID: PMC6567920 DOI: 10.1186/s13023-019-1116-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 06/04/2019] [Indexed: 12/31/2022] Open
Abstract
Background Primary Ciliary Dyskinesia (PCD) diagnosis relies on a combination of tests which may include (a) nasal Nitric Oxide (nNO), (b) High Speed Video Microscopy (HSVM) and (c) Transmission Electron Microscopy (TEM). There is variability in the availability of these tests and lack of universal agreement whether diagnostic tests should be performed in sequence or in parallel. We assessed three combinations of tests for PCD diagnosis and estimated net sensitivity and specificity as well as cost-effectiveness (CE) and incremental cost-effectiveness (ICE) ratios. Methods and results A hypothetical initial population of 1000 referrals (expected 320 PCD patients) was followed through a probabilistic decision analysis model which was created to assess the CE of three diagnostic algorithms (a) nNO + TEM in sequence, (b) nNO + HSVM in sequence and (c) nNO/HSVM in parallel followed, in cases with conflicting results, by confirmatory TEM (nNO/HSVM+TEM). Number of PCD patients identified, CE and ICE ratios were calculated using Monte Carlo simulations. Out of 320 expected PCD patients, 313 were identified by nNO/HSVM+TEM, 274 with nNO + HSVM and 198 with nNO + TEM. The nNO/HSVM+TEM had the highest mean annual cost (€209 K) followed by nNO + TEM (€150 K) and nNO + HSVM (€136 K). The nNO + HSVM algorithm dominated the nNO + TEM algorithm (less costly and more effective). The ICE ratio for nNO/HSVM+TEM was €2.1 K per additional PCD patient identified. Conclusions The diagnostic algorithm (nNO/HSVM+TEM) with parallel testing outperforms algorithms with tests in sequence. These findings, can inform the dialogue on the development of evidence-based guidelines for PCD diagnostic testing. Future research in understudied aspects of the disease, such as PCD-related quality of life and PCD-associated costs, is needed to help the better implementation of these guidelines across various healthcare systems. Electronic supplementary material The online version of this article (10.1186/s13023-019-1116-3) contains supplementary material, which is available to authorized users.
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Hammoudeh S, Gadelhak W, Janahi IA. Primary ciliary dyskinesia among Arabs: Where do we go from here? Paediatr Respir Rev 2019; 29:19-22. [PMID: 30792130 DOI: 10.1016/j.prrv.2018.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/05/2018] [Accepted: 09/07/2018] [Indexed: 01/10/2023]
Abstract
Primary ciliary dyskinesia (PCD), also known as immotile-cilia syndrome, is a rare genetic disease that is inherited in an autosomal recessive manner. Several studies have explored certain aspects of PCD in the Arab world, yet much is still lacking in terms of identifying the different characteristics of this disease. In this paper, we aim to briefly cover those studies published about PCD in Arab countries, as well as to provide recommendations and guidelines for future studies.
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Affiliation(s)
- Samer Hammoudeh
- Medical Research Center, Research Affairs, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Wessam Gadelhak
- Medical Research Center, Research Affairs, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Ibrahim A Janahi
- Medical Research Center, Research Affairs, Hamad Medical Corporation, PO Box 3050, Doha, Qatar; Pediatric Pulmonology, Sidra Medicine, PO Box 2699, Doha, Qatar.
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36
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Lorès P, Coutton C, El Khouri E, Stouvenel L, Givelet M, Thomas L, Rode B, Schmitt A, Louis B, Sakheli Z, Chaudhry M, Fernandez-Gonzales A, Mitsialis A, Dacheux D, Wolf JP, Papon JF, Gacon G, Escudier E, Arnoult C, Bonhivers M, Savinov SN, Amselem S, Ray PF, Dulioust E, Touré A. Homozygous missense mutation L673P in adenylate kinase 7 (AK7) leads to primary male infertility and multiple morphological anomalies of the flagella but not to primary ciliary dyskinesia. Hum Mol Genet 2019; 27:1196-1211. [PMID: 29365104 DOI: 10.1093/hmg/ddy034] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 01/16/2018] [Indexed: 02/03/2023] Open
Abstract
Motile cilia and sperm flagella share an extremely conserved microtubule-based cytoskeleton, called the axoneme, which sustains beating and motility of both organelles. Ultra-structural and/or functional defects of this axoneme are well-known to cause primary ciliary dyskinesia (PCD), a disorder characterized by recurrent respiratory tract infections, chronic otitis media, situs inversus, male infertility and in most severe cases, hydrocephalus. Only recently, mutations in genes encoding axonemal proteins with preferential expression in the testis were identified in isolated male infertility; in those cases, individuals displayed severe asthenozoospermia due to Multiple Morphological Abnormalities of the sperm Flagella (MMAF) but not PCD features. In this study, we performed genetic investigation of two siblings presenting MMAF without any respiratory PCD features, and we report the identification of the c.2018T > G (p.Leu673Pro) transversion in AK7, encoding an adenylate kinase, expressed in ciliated tissues and testis. By performing transcript and protein analyses of biological samples from individual carrying the transversion, we demonstrate that this mutation leads to the loss of AK7 protein in sperm cells but not in respiratory ciliated cells, although both cell types carry the mutated transcript and no tissue-specific isoforms were detected. This work therefore, supports the notion that proteins shared by both cilia and sperm flagella may have specific properties and/or function in each organelle, in line with the differences in their mode of assembly and organization. Overall, this work identifies a novel genetic cause of asthenozoospermia due to MMAF and suggests that in humans, more deleterious mutations of AK7 might induce PCD.
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Affiliation(s)
- Patrick Lorès
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Charles Coutton
- Institut for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France.,CHU Grenoble Alpes, UM de Génétique Chromosomique, Grenoble, France
| | - Elma El Khouri
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Laurence Stouvenel
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Maëlle Givelet
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Lucie Thomas
- INSERM UMR S933, Université Pierre et Marie Curie (Paris 6), Paris 75012, France
| | - Baptiste Rode
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Alain Schmitt
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Bruno Louis
- Equipe 13, INSERM UMR S955, Faculté de Médecine, Université Paris Est, CNRS ERL7240, Créteil 94000, France
| | - Zeinab Sakheli
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Marhaba Chaudhry
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | | | - Alex Mitsialis
- Division of Newborn Medicine, Children's Hospital Boston, Boston, MA 02115, USA
| | - Denis Dacheux
- Université de Bordeaux, Microbiologie Fondamentale et Pathogénicité, CNRS UMR 5234, Bordeaux, France.,Microbiologie Fondamentale et Pathogénicité, Institut Polytechnique de Bordeaux, UMR-CNRS 5234, F-33000 Bordeaux, France
| | - Jean-Philippe Wolf
- Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France.,Laboratoire d'Histologie Embryologie-Biologie de la Reproduction, GH Cochin Broca Hôtel Dieu, Assistance Publique-Hôpitaux de Paris, Paris 75014, France
| | - Jean-François Papon
- Equipe 13, INSERM UMR S955, Faculté de Médecine, Université Paris Est, CNRS ERL7240, Créteil 94000, France.,Service d'Oto-Rhino-Laryngologie et de Chirurgie Cervico-Maxillo-Faciale, Hôpital Bicêtre, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre 94275, France.,Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre F-94275, France
| | - Gérard Gacon
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Estelle Escudier
- INSERM UMR S933, Université Pierre et Marie Curie (Paris 6), Paris 75012, France.,Service de Génétique et d'Embryologie Médicales, Hôpital Armand Trousseau, Assistance Publique - Hôpitaux de Paris, Paris 75012, France
| | - Christophe Arnoult
- Institut for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - Mélanie Bonhivers
- Microbiologie Fondamentale et Pathogénicité, Institut Polytechnique de Bordeaux, UMR-CNRS 5234, F-33000 Bordeaux, France.,Laboratoire d'Histologie Embryologie-Biologie de la Reproduction, GH Cochin Broca Hôtel Dieu, Assistance Publique-Hôpitaux de Paris, Paris 75014, France
| | - Sergey N Savinov
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, MA 01003, USA
| | - Serge Amselem
- INSERM UMR S933, Université Pierre et Marie Curie (Paris 6), Paris 75012, France.,Service de Génétique et d'Embryologie Médicales, Hôpital Armand Trousseau, Assistance Publique - Hôpitaux de Paris, Paris 75012, France
| | - Pierre F Ray
- Institut for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France.,CHU de Grenoble, UM GI-DPI, Grenoble F-38000, France
| | - Emmanuel Dulioust
- Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France.,Laboratoire d'Histologie Embryologie-Biologie de la Reproduction, GH Cochin Broca Hôtel Dieu, Assistance Publique-Hôpitaux de Paris, Paris 75014, France
| | - Aminata Touré
- INSERM U1016, Institut Cochin, Paris 75014, France.,Centre National de la Recherche Scientifique UMR8104, Paris 75014, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
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Gunes S, Sengupta P, Henkel R, Alguraigari A, Sinigaglia MM, Kayal M, Joumah A, Agarwal A. Microtubular Dysfunction and Male Infertility. World J Mens Health 2018; 38:9-23. [PMID: 30350487 PMCID: PMC6920067 DOI: 10.5534/wjmh.180066] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 08/15/2018] [Indexed: 01/27/2023] Open
Abstract
Microtubules are the prime component of the cytoskeleton along with microfilaments. Being vital for organelle transport and cellular divisions during spermatogenesis and sperm motility process, microtubules ascertain functional capacity of sperm. Also, microtubule based structures such as axoneme and manchette are crucial for sperm head and tail formation. This review (a) presents a concise, yet detailed structural overview of the microtubules, (b) analyses the role of microtubule structures in various male reproductive functions, and (c) presents the association of microtubular dysfunctions with male infertility. Considering the immense importance of microtubule structures in the formation and maintenance of physiological functions of sperm cells, this review serves as a scientific trigger in stimulating further male infertility research in this direction.
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Affiliation(s)
- Sezgin Gunes
- Department of Medical Biology, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Pallav Sengupta
- Department of Physiology, Faculty of Medicine, MAHSA University, Selangor, Malaysia.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ralf Henkel
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Aabed Alguraigari
- Batterjee Medical College, Jeddah, Saudi Arabia.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Mariana Marques Sinigaglia
- University of Sao Paulo, Sao Paulo, Brazil.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Malik Kayal
- Alfaisal University Medical School, Riyadh, Saudi Arabia.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ahmad Joumah
- Alfaisal University Medical School, Riyadh, Saudi Arabia.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
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Andjelkovic M, Minic P, Vreca M, Stojiljkovic M, Skakic A, Sovtic A, Rodic M, Skodric-Trifunovic V, Maric N, Visekruna J, Spasovski V, Pavlovic S. Genomic profiling supports the diagnosis of primary ciliary dyskinesia and reveals novel candidate genes and genetic variants. PLoS One 2018; 13:e0205422. [PMID: 30300419 PMCID: PMC6177184 DOI: 10.1371/journal.pone.0205422] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 09/25/2018] [Indexed: 11/18/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a rare inherited autosomal recessive or X-linked disorder that mainly affects lungs. Dysfunction of respiratory cilia causes symptoms such as chronic rhinosinusitis, coughing, rhinitis, conductive hearing loss and recurrent lung infections with bronchiectasis. It is now well known that pathogenic genetic changes lead to ciliary dysfunction. Here we report usage of clinical-exome based NGS approach in order to reveal underlying genetic causes in cohort of 21 patient with diagnosis of PCD. By detecting 18 (12 novel) potentially pathogenic genetic variants, we established the genetic cause of 11 (9 unrelated) patients. Genetic variants were detected in six PCD disease-causing genes, as well as in SPAG16 and SPAG17 genes, that were not detected in PCD patients so far, but were related to some symptoms of PCD. The most frequently mutated gene in our cohort was DNAH5 (27.77%). Identified variants were in homozygous, compound heterozygous and trans-heterozygous state. For detailed characterization of one novel homozygous genetic variant in DNAI1 gene (c. 947_948insG, p. Thr318TyrfsTer11), RT-qPCR and Western Blot analysis were performed. Molecular diagnostic approach applied in this study enables analysis of 29 PCD disease-causing and related genes. It resulted in mutation detection rate of 50% and enabled discovery of twelve novel mutations and pointed two possible novel PCD candidate genes.
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Affiliation(s)
- Marina Andjelkovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Predrag Minic
- Mother and Child Health Care Institute of Serbia „Dr Vukan Cupic“, Belgrade, Serbia
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Misa Vreca
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Maja Stojiljkovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Anita Skakic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Aleksandar Sovtic
- Mother and Child Health Care Institute of Serbia „Dr Vukan Cupic“, Belgrade, Serbia
| | - Milan Rodic
- Mother and Child Health Care Institute of Serbia „Dr Vukan Cupic“, Belgrade, Serbia
| | - Vesna Skodric-Trifunovic
- School of Medicine, University of Belgrade, Belgrade, Serbia
- Clinic for Pulmonology, Clinical Center of Serbia, Belgradе, Serbia
| | - Nina Maric
- Clinic for children diseases, University Clinical Center of the Republic of Srpska, Banja Luka, Bosnia and Herzegovina
| | - Jelena Visekruna
- Mother and Child Health Care Institute of Serbia „Dr Vukan Cupic“, Belgrade, Serbia
| | - Vesna Spasovski
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Sonja Pavlovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
- * E-mail:
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39
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Hoste L, De Baets F, Van Daele S, Schelstraete P, Boon M, De Bruyne M, Dullaers M, Coppieters F, Haerynck F. When One Rare Disease Hides Another: Kartagener Syndrome Masking FMF. Clin Pediatr (Phila) 2018; 57:981-985. [PMID: 28952366 DOI: 10.1177/0009922817733705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Levi Hoste
- 1 Ghent University Hospital, Ghent, Belgium
| | | | | | | | - Mieke Boon
- 2 University Hospital Gasthuisberg, Leuven, Belgium
| | | | - Melissa Dullaers
- 3 Ghent University, Ghent, Belgium.,4 VIB Inflammation Research Center, Ghent, Belgium
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40
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Asmanov AI, Zlobina NV, Radtsig EY, Polev GA, Sorokina EV. [Polypous pansinusitis with the deformation of the external nose in a 8 year-old child presenting with the primary ciliary dyskinesia syndrome]. Vestn Otorinolaringol 2018; 82:61-63. [PMID: 29072668 DOI: 10.17116/otorino201782561-63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This article reports a rare observation of the development of chronic polypous pansinusitis with deformation of the external nose in a 8 year-old child presenting with primary ciliary dyskinesia syndrome. The patient underwent multiple surgical interventions in the preceding period. The key argument in favour of the definitive diagnosis was the results of investigation of ciliated epithelium biopsy taken from the nasal cavity and bronchi in combination with the data obtained by diagnostic endoscopy of the nasal cavity and nasopharynx supplemented by computed tomography. The proposed treatment strategy including endoscopic endonasal pansinusotomy, antibacterial therapy taking into consideration the sensitivity of the seeded microorganism, and hormonal therapy proved optimal for the management of the given patient.
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Affiliation(s)
- A I Asmanov
- N.I. Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia, 117997; Academician Yu.E. Veltishchev Research Clinical Institute of Pediatrics of the N.I. Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia, 125412
| | - N V Zlobina
- N.I. Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia, 117997; Academician Yu.E. Veltishchev Research Clinical Institute of Pediatrics of the N.I. Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia, 125412
| | - E Yu Radtsig
- N.I. Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia, 117997
| | - G A Polev
- А.I. Burnazyan State Research Centre, Russian Federal Medico-Biological Agency, Moscow, Russia, 123479
| | - E V Sorokina
- А.I. Burnazyan State Research Centre, Russian Federal Medico-Biological Agency, Moscow, Russia, 123479
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41
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Monocytes from patients with Primary Ciliary Dyskinesia show enhanced inflammatory properties and produce higher levels of pro-inflammatory cytokines. Sci Rep 2017; 7:14657. [PMID: 29116124 PMCID: PMC5676706 DOI: 10.1038/s41598-017-15027-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/18/2017] [Indexed: 01/21/2023] Open
Abstract
Patients with Primary Ciliary Dyskinesia (PCD) suffer from recurrent upper and lower airway infections due to defects in the cilia present on the respiratory epithelium. Since chronic inflammatory conditions can cause changes in innate immune responses, we investigated whether monocytes isolated from the peripheral blood of pediatric PCD patients respond differently to inflammatory stimuli, compared to monocytes from healthy children and adults. The receptor for C5a (C5aR) was upregulated in PCD, whereas expression levels of the leukocyte chemoattractant receptors CCR1, CCR2, CCR5, BLT1 and FPR1 on PCD monocytes were similar to those on monocytes from healthy individuals. Also in vitro migration of PCD monocytes towards the ligands of those receptors (CCL2, fMLP, C5a and LTB4) was normal. Compared to healthy children, PCD patients had a higher percentage of the non-classic monocyte subset (CD14+CD16++) in circulation. Finally, PCD monocytes produced higher levels of pro-inflammatory cytokines (IL-1β and TNF-α) and chemokines (CCL3, CCL5, CCL18 and CCL22) in response to LPS, peptidoglycan and/or dsRNA stimulation. These data suggest that monocytes might exacerbate inflammatory reactions in PCD patients and might maintain a positive feedback-loop feeding the inflammatory process.
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42
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Damseh N, Quercia N, Rumman N, Dell SD, Kim RH. Primary ciliary dyskinesia: mechanisms and management. APPLICATION OF CLINICAL GENETICS 2017; 10:67-74. [PMID: 29033599 PMCID: PMC5614735 DOI: 10.2147/tacg.s127129] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Primary ciliary dyskinesia is a genetically heterogeneous disorder of motile cilia that is predominantly inherited in an autosomal-recessive fashion. It is associated with abnormal ciliary structure and/or function leading to chronic upper and lower respiratory tract infections, male infertility, and situs inversus. The estimated prevalence of primary ciliary dyskinesia is approximately one in 10,000-40,000 live births. Diagnosis depends on clinical presentation, nasal nitric oxide, high-speed video-microscopy analysis, transmission electron microscopy, genetic testing, and immunofluorescence. Here, we review its clinical features, diagnostic methods, molecular basis, and available therapies.
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Affiliation(s)
| | - Nada Quercia
- Division of Clinical and Metabolic Genetics.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Nisreen Rumman
- Pediatric Department, Makassed Hospital, Jerusalem, Palestine
| | - Sharon D Dell
- Division of Respiratory Medicine, Department of Pediatrics, Child Health Evaluative Sciences, Hospital for Sick Children
| | - Raymond H Kim
- Fred A Litwin Family Centre in Genetic Medicine, University Health Network and Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, ON, Canada
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43
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Schroeder JA. Application of laboratory and digital techniques for visual enhancement during the ultrastructural assessment of cilia. Ultrastruct Pathol 2017; 41:399-407. [DOI: 10.1080/01913123.2017.1363335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Josef A. Schroeder
- Central EM-Lab, Department of Pathology, University Hospital Regensburg, Regensburg, Germany
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44
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Kobayashi D, Asano-Hoshino A, Nakakura T, Nishimaki T, Ansai S, Kinoshita M, Ogawa M, Hagiwara H, Yokoyama T. Loss of zinc finger MYND-type containing 10 (zmynd10) affects cilia integrity and axonemal localization of dynein arms, resulting in ciliary dysmotility, polycystic kidney and scoliosis in medaka (Oryzias latipes). Dev Biol 2017; 430:69-79. [PMID: 28823919 DOI: 10.1016/j.ydbio.2017.08.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 08/10/2017] [Accepted: 08/10/2017] [Indexed: 11/17/2022]
Abstract
Cilia and flagella are hair-like organelles that project from the cell surface and play important roles in motility and sensory perception. Motility defects in cilia and flagella lead to primary ciliary dyskinesia (PCD), a rare human disease. Recently zinc finger MYND-type containing 10 (ZMYND10) was identified in humans as a PCD-associated gene. In this study, we use medaka fish as a model to characterize the precise functions of zmynd10. In medaka, zmynd10 is exclusively expressed in cells with motile cilia. Embryos with zmynd10 Morpholino knockdown exhibited a left-right (LR) defect associated with loss of motility in Kupffer's vesicle (KV) cilia. This immotility was caused by loss of the outer dynein arms, which is a characteristic ultrastructural phenotype in PCD. In addition, KV cilia in zmynd10 knockdown embryos had a swollen and wavy morphology. Together, these results suggest that zmynd10 is a multi-functional protein that has independent roles in axonemal localization of dynein arms and in formation and/or maintenance of cilia. The C-terminal region of zmynd10 has a MYND-type zinc finger domain (zf-MYND) that is important for its function. Our rescue experiment showed that the zmynd10-ΔC truncated protein, which lacks zf-MYND, was still partially functional, suggesting that zmynd10 has another functional domain besides zf-MYND. To analyze the later stages of development, we generated a zmynd10 knockout mutant using transcription activator-like effector nuclease (TALEN) technology. Adult mutants exhibited sperm dysmotility, scoliosis and progressive polycystic kidney.
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Affiliation(s)
- Daisuke Kobayashi
- Department of Anatomy and Developmental Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
| | - Anshin Asano-Hoshino
- Department of Anatomy and Cell Biology, Teikyo University School of Medicine, Tokyo, Japan.
| | - Takashi Nakakura
- Department of Anatomy and Cell Biology, Teikyo University School of Medicine, Tokyo, Japan.
| | - Toshiyuki Nishimaki
- Department of Anatomy, Kitasato University School of Medicine, Kanagawa, Japan.
| | - Satoshi Ansai
- Division of Applied Bioscience, Graduate School of Agriculture, Kyoto University, Kyoto, Japan.
| | - Masato Kinoshita
- Division of Applied Bioscience, Graduate School of Agriculture, Kyoto University, Kyoto, Japan.
| | - Motoyuki Ogawa
- Department of Anatomy, Kitasato University School of Medicine, Kanagawa, Japan.
| | - Haruo Hagiwara
- Department of Anatomy and Cell Biology, Teikyo University School of Medicine, Tokyo, Japan.
| | - Takahiko Yokoyama
- Department of Anatomy and Developmental Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
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45
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Guo T, Tan ZP, Chen HM, Zheng DY, Liu L, Huang XG, Chen P, Luo H, Yang YF. An effective combination of whole-exome sequencing and runs of homozygosity for the diagnosis of primary ciliary dyskinesia in consanguineous families. Sci Rep 2017; 7:7905. [PMID: 28801648 PMCID: PMC5554225 DOI: 10.1038/s41598-017-08510-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 07/11/2017] [Indexed: 01/26/2023] Open
Abstract
Primary ciliary dyskinesia (PCD) is clinically characterized by neonatal respiratory distress, chronic sinusitis, bronchiectasis and infertility, and situs inversus in 50% of the patients. PCD is a result of mutations in genes encoding proteins involved in ciliary function, and is primarily inherited in an autosomal recessive fashion. Diagnosis of PCD is often a challenging task due to its high clinical and genetic heterogeneities. In the present study, we attempted to use whole-exome sequencing (WES) combined with runs of homozygosity (ROH) approaches to identify the genetic defects in four Chinese consanguineous families with clinical PCD. We successfully identified three recently acknowledged PCD genes: DYX1C1, CCNO and ARMC4, and one well-characterized PCD gene, DNAI1. Our study provides compelling evidence that WES in combination with ROH analysis is an efficient diagnostic tool for identifying genetic causes of PCD in consanguineous families. Furthermore, our work expands the genetic mutation spectrum in PCD, and provides the additional tools to better serve the counseling of the families with PCD.
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Affiliation(s)
- Ting Guo
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China
| | - Zhi-Ping Tan
- Central South University Center for Clinical Gene Diagnosis and Treatment, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Department of Cardiovascular Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Hua-Mei Chen
- Department of Respiratory Medicine, Chang Sha Central Hospital, Changsha, Hunan, 410011, China
| | - Dong-Yuan Zheng
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China
| | - Lv Liu
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China
| | - Xin-Gang Huang
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China
| | - Ping Chen
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China
| | - Hong Luo
- Department of Respiratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China. .,Research Unit of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China. .,Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan, 410011, China.
| | - Yi-Feng Yang
- Central South University Center for Clinical Gene Diagnosis and Treatment, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China. .,Department of Cardiovascular Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
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46
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Prevalence of primary ciliary dyskinesia in consecutive referrals of suspect cases and the transmission electron microscopy detection rate: a systematic review and meta-analysis. Pediatr Res 2017; 81:398-405. [PMID: 27935903 DOI: 10.1038/pr.2016.263] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 10/09/2016] [Indexed: 11/08/2022]
Abstract
Diagnostic testing for primary ciliary dyskinesia (PCD) usually includes transmission electron microscopy (TEM), nasal nitric oxide, high-speed video microscopy, and genetics. Diagnostic performance of each test should be assessed toward the development of PCD diagnostic algorithms. We systematically reviewed the literature and quantified PCD prevalence among referrals and TEM detection rate in confirmed PCD patients. Major electronic databases were searched until December 2015 using appropriate terms. Included studies described cohorts of consecutive PCD referrals in which PCD was confirmed by at least TEM and one additional test, in order to compare the index test performance with other test(s). Meta-analyses of pooled PCD prevalence and TEM detection rate across studies were performed. PCD prevalence among referrals was 32% (95% CI: 25-39%, I2 = 92%). TEM detection rate among PCD patients was 83% (95% CI: 75-90%, I2 = 90%). Exclusion of studies reporting isolated inner dynein arm defects as PCD, reduced TEM detection rate and explained an important fraction of observed heterogeneity (74%, 95% CI: 66-83%, I2 = 66%). Approximately, one third of referrals, are diagnosed with PCD. Among PCD patients, a significant percentage, at least as high as 26%, is missed by TEM, a limitation that should be accounted toward the development of an efficacious PCD diagnostic algorithm.
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47
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Exome sequencing covers >98% of mutations identified on targeted next generation sequencing panels. PLoS One 2017; 12:e0170843. [PMID: 28152038 PMCID: PMC5289469 DOI: 10.1371/journal.pone.0170843] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 01/11/2017] [Indexed: 11/19/2022] Open
Abstract
Background With the expanded availability of next generation sequencing (NGS)-based clinical genetic tests, clinicians seeking to test patients with Mendelian diseases must weigh the superior coverage of targeted gene panels with the greater number of genes included in whole exome sequencing (WES) when considering their first-tier testing approach. Here, we use an in silico analysis to predict the analytic sensitivity of WES using pathogenic variants identified on targeted NGS panels as a reference. Methods Corresponding nucleotide positions for 1533 different alterations classified as pathogenic or likely pathogenic identified on targeted NGS multi-gene panel tests in our laboratory were interrogated in data from 100 randomly-selected clinical WES samples to quantify the sequence coverage at each position. Pathogenic variants represented 91 genes implicated in hereditary cancer, X-linked intellectual disability, primary ciliary dyskinesia, Marfan syndrome/aortic aneurysms, cardiomyopathies and arrhythmias. Results When assessing coverage among 100 individual WES samples for each pathogenic variant (153,300 individual assessments), 99.7% (n = 152,798) would likely have been detected on WES. All pathogenic variants had at least some coverage on exome sequencing, with a total of 97.3% (n = 1491) detectable across all 100 individuals. For the remaining 42 pathogenic variants, the number of WES samples with adequate coverage ranged from 35 to 99. Factors such as location in GC-rich, repetitive, or homologous regions likely explain why some of these alterations were not detected across all samples. To validate study findings, a similar analysis was performed against coverage data from 60,706 exomes available through the Exome Aggregation Consortium (ExAC). Results from this validation confirmed that 98.6% (91,743,296/93,062,298) of pathogenic variants demonstrated adequate depth for detection. Conclusions Results from this in silico analysis suggest that exome sequencing may achieve a diagnostic yield similar to panel-based testing for Mendelian diseases.
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48
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Goutaki M, Maurer E, Halbeisen FS, Amirav I, Barbato A, Behan L, Boon M, Casaulta C, Clement A, Crowley S, Haarman E, Hogg C, Karadag B, Koerner-Rettberg C, Leigh MW, Loebinger MR, Mazurek H, Morgan L, Nielsen KG, Omran H, Schwerk N, Scigliano S, Werner C, Yiallouros P, Zivkovic Z, Lucas JS, Kuehni CE. The international primary ciliary dyskinesia cohort (iPCD Cohort): methods and first results. Eur Respir J 2017; 49:13993003.01181-2016. [PMID: 28052956 PMCID: PMC5298195 DOI: 10.1183/13993003.01181-2016] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 09/27/2016] [Indexed: 12/12/2022]
Abstract
Data on primary ciliary dyskinesia (PCD) epidemiology is scarce and published studies are characterised by low numbers. In the framework of the European Union project BESTCILIA we aimed to combine all available datasets in a retrospective international PCD cohort (iPCD Cohort). We identified eligible datasets by performing a systematic review of published studies containing clinical information on PCD, and by contacting members of past and current European Respiratory Society Task Forces on PCD. We compared the contents of the datasets, clarified definitions and pooled them in a standardised format. As of April 2016 the iPCD Cohort includes data on 3013 patients from 18 countries. It includes data on diagnostic evaluations, symptoms, lung function, growth and treatments. Longitudinal data are currently available for 542 patients. The extent of clinical details per patient varies between centres. More than 50% of patients have a definite PCD diagnosis based on recent guidelines. Children aged 10–19 years are the largest age group, followed by younger children (≤9 years) and young adults (20–29 years). This is the largest observational PCD dataset available to date. It will allow us to answer pertinent questions on clinical phenotype, disease severity, prognosis and effect of treatments, and to investigate genotype–phenotype correlations. The iPCD Cohort offers a unique opportunity to study PCD in an international retrospective cohort of >3000 patientshttp://ow.ly/rn0m304Jgsu
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Affiliation(s)
- Myrofora Goutaki
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.,Paediatric Respiratory Medicine, Children's University Hospital of Bern, University of Bern, Bern, Switzerland
| | - Elisabeth Maurer
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Florian S Halbeisen
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Israel Amirav
- Dept of Pediatrics, Faculty of Medicine, Bar IIan University, Ramat Gan, Israel
| | | | - Laura Behan
- Primary Ciliary Dyskinesia Centre, NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Mieke Boon
- Dept of Paediatrics, University Hospital Gasthuisberg, Leuven, Belgium
| | | | | | - Suzanne Crowley
- Unit for Paediatric Heart, Lung and Allergic Diseases, Rikshospitalet, Oslo, Norway
| | - Eric Haarman
- Dept of Pediatric Pulmonology, VU University Medical Center, Amsterdam, The Netherlands
| | - Claire Hogg
- Dept of Paediatrics, Primary Ciliary Dyskinesia Centre, Royal Brompton and Harefield Foundation Trust, London, UK
| | - Bulent Karadag
- Dept of Paediatric Pulmonology, Marmara University, School of Medicine, Istanbul, Turkey
| | - Cordula Koerner-Rettberg
- Dept of Paediatric Pneumology, University Children's Hospital of Ruhr University Bochum, Bochum, Germany
| | | | - Michael R Loebinger
- Host Defence Unit, Royal Brompton and Harefield NHS Foundation Trust, London, UK
| | - Henryk Mazurek
- Dept of Pneumonology and Cystic Fibrosis, Institute of Tuberculosis and Lung Disorders, Rabka-Zdrój, Poland
| | - Lucy Morgan
- Dept of Respiratory Medicine, Concord Hospital Clinical School, University of Sydney, Sydney, Australia
| | - Kim G Nielsen
- Danish PCD Centre Copenhagen, Paediatric Pulmonary Service, Copenhagen University Hospital, Copenhagen, Denmark
| | - Heymut Omran
- Dept of General Paediatrics and Adolescent Medicine, University Hospital Muenster, Muenster, Germany
| | - Nicolaus Schwerk
- Clinic for Paediatric Pulmonology, Allergiology and Neonatology, Hannover Medical School, Hannover, Germany
| | - Sergio Scigliano
- Centro Respiratorio, Hospital de Niños Ricardo Gutierrez, Buenos Aires, Argentina
| | - Claudius Werner
- Dept of General Paediatrics and Adolescent Medicine, University Hospital Muenster, Muenster, Germany
| | | | - Zorica Zivkovic
- Children's Hospital for Lung Diseases and TB, Medical Centre "Dr Dragisa Misovic", Belgrade, Serbia.,Faculty of Pharmacy, University Business Academy, Novi Sad, Serbia
| | - Jane S Lucas
- Primary Ciliary Dyskinesia Centre, NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Claudia E Kuehni
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
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49
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Nizami MI, Narahari NK, Paramjyothi GK, Sharma A. An unusual cause of simultaneous bilateral spontaneous pneumothorax. World J Emerg Med 2017; 8:74-76. [PMID: 28123627 DOI: 10.5847/wjem.j.1920-8642.2017.01.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Mohammed Ismail Nizami
- Department of Emergency Medicine, Nizam's Institute of Medical Sciences, Hyderabad 500082, Telangana, India
| | - Narendra Kumar Narahari
- Department of Respiratory Medicine, Nizam's Institute of Medical Sciences, Hyderabad 500082, Telangana, India
| | | | - Ashima Sharma
- Department of Emergency Medicine, Nizam's Institute of Medical Sciences, Hyderabad 500082, Telangana, India
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50
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Hagen EM, Sicko RJ, Kay DM, Rigler SL, Dimopoulos A, Ahmad S, Doleman MH, Fan R, Romitti PA, Browne ML, Caggana M, Brody LC, Shaw GM, Jelliffe-Pawlowski LL, Mills JL. Copy-number variant analysis of classic heterotaxy highlights the importance of body patterning pathways. Hum Genet 2016; 135:1355-1364. [PMID: 27637763 PMCID: PMC5065782 DOI: 10.1007/s00439-016-1727-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 09/04/2016] [Indexed: 01/08/2023]
Abstract
Classic heterotaxy consists of congenital heart defects with abnormally positioned thoracic and abdominal organs. We aimed to uncover novel, genomic copy-number variants (CNVs) in classic heterotaxy cases. A microarray containing 2.5 million single-nucleotide polymorphisms (SNPs) was used to genotype 69 infants (cases) with classic heterotaxy identified from California live births from 1998 to 2009. CNVs were identified using the PennCNV software. We identified 56 rare CNVs encompassing genes in the NODAL (NIPBL, TBX6), BMP (PPP4C), and WNT (FZD3) signaling pathways, not previously linked to classic heterotaxy. We also identified a CNV involving FGF12, a gene previously noted in a classic heterotaxy case. CNVs involving RBFOX1 and near MIR302F were detected in multiple cases. Our findings illustrate the importance of body patterning pathways for cardiac development and left/right axes determination. FGF12, RBFOX1, and MIR302F could be important in human heterotaxy, because they were noted in multiple cases. Further investigation into genes involved in the NODAL, BMP, and WNT body patterning pathways and into the dosage effects of FGF12, RBFOX1, and MIR302F is warranted.
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Affiliation(s)
- Erin M Hagen
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6100 Executive Boulevard, Bethesda, MD, 20892, USA
| | - Robert J Sicko
- Wadsworth Center, New York State Department of Health, 120 New Scotland Avenue, Albany, NY, 12201-2002, USA
| | - Denise M Kay
- Wadsworth Center, New York State Department of Health, 120 New Scotland Avenue, Albany, NY, 12201-2002, USA
| | - Shannon L Rigler
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6100 Executive Boulevard, Bethesda, MD, 20892, USA
| | - Aggeliki Dimopoulos
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6100 Executive Boulevard, Bethesda, MD, 20892, USA
| | - Shabbir Ahmad
- California Birth Defects Monitoring Program, California Department of Public Health, 1615 Capitol Avenue, MS 8304, Sacramento, CA, 95899-7420, USA
| | - Margaret H Doleman
- California Birth Defects Monitoring Program, California Department of Public Health, 1615 Capitol Avenue, MS 8304, Sacramento, CA, 95899-7420, USA
| | - Ruzong Fan
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6100 Executive Boulevard, Bethesda, MD, 20892, USA
| | - Paul A Romitti
- Department of Epidemiology, College of Public Health, The University of Iowa, 145 N. Riverside Drive, S416 CPHB, Iowa City, IA, 52242, USA
| | - Marilyn L Browne
- Congenital Malformations Registry, New York State Department of Health, Empire State Plaza-Corning Tower, Albany, NY, 12237, USA
- University at Albany School of Public Health, 1400 Washington Avenue, Albany, NY, 12222, USA
| | - Michele Caggana
- Wadsworth Center, New York State Department of Health, 120 New Scotland Avenue, Albany, NY, 12201-2002, USA
| | - Lawrence C Brody
- Genome Technology Branch, National Human Genome Research Institute, National Institutes of Health, Building 50, 50 South Drive, MSC 8004, Bethesda, MD, 20892, USA
| | - Gary M Shaw
- Department of Pediatrics, Stanford University School of Medicine, Medical Office Building, 1265 Welch Road Room X159, Stanford, CA, 94305, USA
| | - Laura L Jelliffe-Pawlowski
- Department of Epidemiology and Biostatistics, University of California San Francisco School of Medicine, 550 16th Street, San Francisco, CA, 94158, USA
| | - James L Mills
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6100 Executive Boulevard, Bethesda, MD, 20892, USA.
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