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Lai B, Jiang H, Gao Y, Zhou X. Skeletal ciliopathy: pathogenesis and related signaling pathways. Mol Cell Biochem 2024; 479:811-823. [PMID: 37188988 DOI: 10.1007/s11010-023-04765-5] [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: 03/29/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
Cilia are tiny organelles with conserved structures and components in eukaryotic cells. Ciliopathy is a set of diseases resulting from cilium dysfunction classified into first-order and second-order ciliopathy. With the advancement of clinical diagnosis and radiography, numerous skeletal phenotypes, including polydactyly, short limbs, short ribs, scoliosis, a narrow thorax, and numerous anomalies in bone and cartilage, have been discovered in ciliopathies. Mutation in genes encoding cilia core components or other cilia-related molecules have been found in skeletal ciliopathies. Meanwhile, various signaling pathways associated with cilia and skeleton development have been deemed to be significant for the occurrence and progression of diseases. Herein, we review the structure and key components of the cilium and summarize several skeletal ciliopathies with their presumable pathology. We also emphasize the signaling pathways involved in skeletal ciliopathies, which may assist in developing potential therapies for these diseases.
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Affiliation(s)
- Bowen Lai
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Fengyang Road 415, Shanghai, 200003, China
| | - Heng Jiang
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Fengyang Road 415, Shanghai, 200003, China
| | - Yuan Gao
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Fengyang Road 415, Shanghai, 200003, China
| | - Xuhui Zhou
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Fengyang Road 415, Shanghai, 200003, China.
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Sensenbrenner syndrome: a further challenge in evaluating sagittal synostosis and a need for a multidisciplinary approach. Childs Nerv Syst 2021; 37:1695-1701. [PMID: 33606107 DOI: 10.1007/s00381-021-05075-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Sensenbrenner syndrome, also known as cranioectodermal dysplasia (CED), is a genetically heterogeneous ciliopathy, characterized by dysmorphic features including dolichocephaly (with inconstant sagittal craniosynostosis), chronic kidney disease (CKD), hepatic fibrosis, retinitis pigmentosa, and brain abnormalities, with a partial clinical overlap with other ciliopathies. PATIENTS AND METHODS A retrospective review of four children with Sensenbrenner syndrome treated at the Femme Mère Enfant University Hospital of Lyon from 2005 to 2020 was conducted. RESULTS Variants in WDR35 or WDR19 were found in all children. Two of them underwent surgery for a scaphocephaly in the first months of life. All patients developed CKD leading to end-stage renal disease during the first/second decades. DISCUSSION The diagnosis of scaphocephaly may precede the diagnosis of the underlying Sensenbrenner syndrome, thus highlighting the importance of a systematic multidisciplinary assessment and follow-up for craniosynostoses, in order to identify syndromic forms requiring specific management. In Sensenbrenner syndrome, patients' management should be coordinated by multidisciplinary teams of reference centers for rare diseases, with expertise in the management of craniofacial malformations as well as rare skeletal and renal disorders. Indeed, a prompt etiological diagnosis will result in an early diagnosis of multisystemic complications, notably renal involvement, thus improving global prognosis.
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Lin H, Zhang Z, Iomini C, Dutcher SK. Identifying RNA splicing factors using IFT genes in Chlamydomonas reinhardtii. Open Biol 2019. [PMID: 29514868 PMCID: PMC5881031 DOI: 10.1098/rsob.170211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Intraflagellar transport moves proteins in and out of flagella/cilia and it is essential for the assembly of these organelles. Using whole-genome sequencing, we identified splice site mutations in two IFT genes, IFT81 (fla9) and IFT121 (ift121-2), which lead to flagellar assembly defects in the unicellular green alga Chlamydomonas reinhardtii. The splicing defects in these ift mutants are partially corrected by mutations in two conserved spliceosome proteins, DGR14 and FRA10. We identified a dgr14 deletion mutant, which suppresses the 3′ splice site mutation in IFT81, and a frameshift mutant of FRA10, which suppresses the 5′ splice site mutation in IFT121. Surprisingly, we found dgr14-1 and fra10 mutations suppress both splice site mutations. We suggest these two proteins are involved in facilitating splice site recognition/interaction; in their absence some splice site mutations are tolerated. Nonsense mutations in SMG1, which is involved in nonsense-mediated decay, lead to accumulation of aberrant transcripts and partial restoration of flagellar assembly in the ift mutants. The high density of introns and the conservation of noncore splicing factors, together with the ease of scoring the ift mutant phenotype, make Chlamydomonas an attractive organism to identify new proteins involved in splicing through suppressor screening.
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Affiliation(s)
- Huawen Lin
- Department of Genetics, Washington University School of Medicine, 4523 Clayton Avenue, St Louis, MO 63110, USA
| | - Zhengyan Zhang
- Department of Genetics, Washington University School of Medicine, 4523 Clayton Avenue, St Louis, MO 63110, USA
| | - Carlo Iomini
- Department of Ophthalmology, Mount Sinai School of Medicine, New York, NY, USA
| | - Susan K Dutcher
- Department of Genetics, Washington University School of Medicine, 4523 Clayton Avenue, St Louis, MO 63110, USA
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Wu X, Gu Y. Signaling Mechanisms Underlying Genetic Pathophysiology of Craniosynostosis. Int J Biol Sci 2019; 15:298-311. [PMID: 30745822 PMCID: PMC6367540 DOI: 10.7150/ijbs.29183] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 11/30/2018] [Indexed: 12/14/2022] Open
Abstract
Craniosynostosis, is the premature fusion of one or more cranial sutures which is the second most common cranial facial anomalies. The premature cranial sutures leads to deformity of skull shape and restricts the growth of brain, which might elicit severe neurologic damage. Craniosynostosis exhibit close correlations with a varieties of syndromes. During the past two decades, as the appliance of high throughput DNA sequencing techniques, steady progresses has been made in identifying gene mutations in both syndromic and nonsyndromic cases, which allow researchers to better understanding the genetic roles in the development of cranial vault. As the enrichment of known mutations involved in the pathogenic of premature sutures fusion, multiple signaling pathways have been investigated to dissect the underlying mechanisms beneath the disease. In addition to genetic etiology, environment factors, especially mechanics, have also been proposed to have vital roles during the pathophysiological of craniosynostosis. However, the influence of mechanics factors in the cranial development remains largely unknown. In this review, we present a brief overview of the updated genetic mutations and environmental factors identified in both syndromic and nonsyndromic craniosynostosis. Furthermore, potential molecular signaling pathways and its relations have been described.
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Affiliation(s)
- Xiaowei Wu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, No. 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, PR. China
- National Engineering Laboratory for Digital and Material Technology of Stomatology,Beijing Key Laboratory of Digital Stomatology, No. 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, PR. China
| | - Yan Gu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, No. 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, PR. China
- National Engineering Laboratory for Digital and Material Technology of Stomatology,Beijing Key Laboratory of Digital Stomatology, No. 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, PR. China
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Barba M, Di Pietro L, Massimi L, Geloso MC, Frassanito P, Caldarelli M, Michetti F, Della Longa S, Romitti PA, Di Rocco C, Arcovito A, Parolini O, Tamburrini G, Bernardini C, Boyadjiev SA, Lattanzi W. BBS9 gene in nonsyndromic craniosynostosis: Role of the primary cilium in the aberrant ossification of the suture osteogenic niche. Bone 2018; 112:58-70. [PMID: 29674126 PMCID: PMC5970090 DOI: 10.1016/j.bone.2018.04.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/12/2018] [Accepted: 04/14/2018] [Indexed: 12/26/2022]
Abstract
Nonsyndromic craniosynostosis (NCS) is the premature ossification of skull sutures, without associated clinical features. Mutations in several genes account for a small number of NCS patients; thus, the molecular etiopathogenesis of NCS remains largely unclear. Our study aimed at characterizing the molecular signaling implicated in the aberrant ossification of sutures in NCS patients. Comparative gene expression profiling of NCS patient sutures identified a fused suture-specific signature, including 17 genes involved in primary cilium signaling and assembly. Cells from fused sutures displayed a reduced potential to form primary cilia compared to cells from control patent sutures of the same patient. We identified specific upregulated splice variants of the Bardet Biedl syndrome-associated gene 9 (BBS9), which encodes a structural component of the ciliary BBSome complex. BBS9 expression increased during in vitro osteogenic differentiation of suture-derived mesenchymal cells of NCS patients. Also, Bbs9 expression increased during in vivo ossification of rat sutures. BBS9 functional knockdown affected the expression of primary cilia on patient suture cells and their osteogenic potential. Computational modeling of the upregulated protein isoforms (observed in patients) predicted that their binding affinity within the BBSome may be affected, providing a possible explanation for the aberrant suture ossification in NCS.
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Affiliation(s)
- Marta Barba
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy
| | - Lorena Di Pietro
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Luca Massimi
- Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy; Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Maria Concetta Geloso
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy
| | - Paolo Frassanito
- Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy
| | - Massimo Caldarelli
- Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy; Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Fabrizio Michetti
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Stefano Della Longa
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | - Paul A Romitti
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, 52242, IA, USA
| | - Concezio Di Rocco
- Department of Neurosurgery, International Neuroscience Institute, 30625 Hannover, Germany
| | - Alessandro Arcovito
- Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Istituto di Biochimica e Biochimica Clinica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Ornella Parolini
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy; Centro di Ricerca E. Menni, Fondazione Poliambulanza-Istituto Ospedaliero, 25124 Brescia, Italy
| | - Gianpiero Tamburrini
- Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy; Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Camilla Bernardini
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy
| | - Simeon A Boyadjiev
- Section of Genomics, Department of Pediatrics, University of California, 95817 Sacramento, CA, USA
| | - Wanda Lattanzi
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; Fondazione Policlinico Universitario "Agostino Gemelli", 00168 Rome, Italy.
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Córdova-Fletes C, Becerra-Solano LE, Rangel-Sosa MM, Rivas-Estilla AM, Alberto Galán-Huerta K, Ortiz-López R, Rojas-Martínez A, Juárez-Vázquez CI, García-Ortiz JE. Uncommon runs of homozygosity disclose homozygous missense mutations in two ciliopathy-related genes ( SPAG17 and WDR35 ) in a patient with multiple brain and skeletal anomalies. Eur J Med Genet 2018; 61:161-167. [DOI: 10.1016/j.ejmg.2017.11.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 10/18/2017] [Accepted: 11/21/2017] [Indexed: 10/18/2022]
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Antony D, Nampoory N, Bacchelli C, Melhem M, Wu K, James CT, Beales PL, Hubank M, Thomas D, Mashankar A, Behbehani K, Schmidts M, Alsmadi O. Exome sequencing for the differential diagnosis of ciliary chondrodysplasias: Example of a WDR35 mutation case and review of the literature. Eur J Med Genet 2017; 60:658-666. [DOI: 10.1016/j.ejmg.2017.08.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 08/17/2017] [Accepted: 08/29/2017] [Indexed: 12/30/2022]
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Walczak-Sztulpa J, Wawrocka A, Swiader-Lesniak A, Socha M, Jamsheer A, Drozdz D, Latos-Bielenska A, Zachwieja K. Clinical and molecular genetic characterization of a male patient with Sensenbrenner syndrome (cranioectodermal dysplasia) and biallelicWDR35mutations. Birth Defects Res 2017; 110:376-381. [DOI: 10.1002/bdr2.1151] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/01/2017] [Accepted: 10/10/2017] [Indexed: 12/16/2022]
Affiliation(s)
| | - Anna Wawrocka
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Anna Swiader-Lesniak
- Department of Anthropology; The Children's Memorial Health Institute; Warsaw Poland
| | - Magdalena Socha
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Aleksander Jamsheer
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Dorota Drozdz
- Department of Pediatric Nephrology and Hypertension, Faculty of Medicine; Jagiellonian University Medical College; Cracow Poland
| | - Anna Latos-Bielenska
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Katarzyna Zachwieja
- Department of Pediatric Nephrology and Hypertension, Faculty of Medicine; Jagiellonian University Medical College; Cracow Poland
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Walczak-Sztulpa J, Wawrocka A, Sobierajewicz A, Kuszel L, Zawadzki J, Grenda R, Swiader-Lesniak A, Kocyla-Karczmarewicz B, Wnuk A, Latos-Bielenska A, Chrzanowska KH. Intrafamilial phenotypic variability in a Polish family with Sensenbrenner syndrome and biallelic WDR35
mutations. Am J Med Genet A 2017; 173:1364-1368. [DOI: 10.1002/ajmg.a.38163] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 12/31/2016] [Accepted: 01/06/2017] [Indexed: 11/06/2022]
Affiliation(s)
| | - Anna Wawrocka
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Agata Sobierajewicz
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Lukasz Kuszel
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
| | - Jan Zawadzki
- Department of Nephrology; Kidney Transplantation and Hypertension; The Children's Memorial Health Institute; Warsaw Poland
| | - Ryszard Grenda
- Department of Nephrology; Kidney Transplantation and Hypertension; The Children's Memorial Health Institute; Warsaw Poland
| | - Anna Swiader-Lesniak
- Department of Anthropology; The Children's Memorial Health Institute; Warsaw Poland
| | | | - Anna Wnuk
- Department of Diagnostic Imaging; The Children's Memorial Health Institute; Warsaw Poland
| | - Anna Latos-Bielenska
- Department of Medical Genetics; Poznan University of Medical Sciences; Poznan Poland
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