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El Dessouki D, Amr K, Kholoussi N, Rady HM, Temtamy SA, Abdou MMS, Aglan M. Clinical and molecular characterization in a cohort of patients with progressive pseudorheumatoid dysplasia. Am J Med Genet A 2023; 191:2329-2336. [PMID: 37377052 DOI: 10.1002/ajmg.a.63339] [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: 03/21/2023] [Revised: 06/05/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023]
Abstract
Progressive pseudorheumatoid dysplasia (PPRD), a rare autosomal recessive syndrome, is a type of skeletal dysplasia associated with pain, stiffness, swelling of multiple joints, and the absence of destructive changes. PPRD occurs due to loss of function pathogenic variants in WISP3 (CCN6) gene, located on chromosome 6q22. In this study, 23 unrelated Egyptian PPRD patients were clinically diagnosed based on medical history, physical and radiological examinations, and laboratory investigations. Sequencing of the whole WISP3 (CCN6) exons and introns boundaries was carried out for all patients. A total of 11 different sequence variations were identified in the WISP3 (CCN6) gene, five of them were new pathogenic variants: the NM_003880.3: c.80T>A (p.L27*), c.161delG (p.C54fs*12), c.737T>C (p.Leu246Pro), c.347-1G>A (IVS3-1G>A), and c.376C>T (p.Q126*). The results of this study expand the spectrum of WISP3 (CCN6) pathogenic variants associated with PPRD. Clinical and genetic analysis is important for proper genetic counseling to curb this rare disorder in the families.
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Affiliation(s)
- Dina El Dessouki
- Clinical Genetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Khalda Amr
- Medical Molecular Genetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Naglaa Kholoussi
- Immunogenetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Hanaa M Rady
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Samia Ali Temtamy
- Clinical Genetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Manal M S Abdou
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mona Aglan
- Clinical Genetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
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Wang W, Gao SH, Wei M, Zhong LQ, Liu W, Jian S, Xiao J, Zhang CH, Zhang JG, Zeng XF, Xia WB, Qiu ZQ, Song HM. Unique mutation spectrum of progressive pseudorheumatoid dysplasia in the Chinese population: a retrospective genotype-phenotype analysis of 105 patients. World J Pediatr 2023; 19:674-686. [PMID: 36622578 PMCID: PMC10258178 DOI: 10.1007/s12519-022-00674-7] [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: 09/07/2022] [Accepted: 12/06/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Progressive pseudorheumatoid dysplasia (PPRD) is a rare genetic disease with autosomal recessive inheritance. There was a lack of genotype-phenotype correlation data from the Chinese population. This study aimed to identify the genotype and phenotype characteristics of Chinese PPRD patients and to conduct a genotype-phenotype analysis of Chinese PPRD patients. METHODS Genetic analysis was performed for suspected PPRD patients from Peking Union Medical College Hospital. Medical records were collected from the electronic medical record system and patient-held portable health records. Published Chinese PPRD cases were gathered from both international and Chinese local databases. We collected demographic information, genetic variants, clinical manifestations, and imaging characteristics for further analysis. RESULTS We included 105 Chinese PPRD patients in the current study. Thirty-three variants, including nine novels and five hotspot variants, were identified, with 26/33 (79%) variants exclusively seen in the Chinese population. Chinese PPRD patients share a phenotype similar to that in international reports. Joint involvement may progress with age (R2 = 0.2541). Long bone shortening and severe deformities occur in three patients with biallelic null variants, of which at least one variant is located in exon 2. Among hotspot variants, c.624dupA (p.C209Mfs*21) were associated with later onset and more involved joints. Elbow joints were more likely to be affected in patients carrying c.624dupA (p.C209Mfs*21) and c.866dupA (p.S209Efs*13). Shoulder joints are more likely to be involved in patients with biallelic null variants (P = 0.027). CONCLUSIONS Chinese PPRD patients share a unique mutation spectrum. Among the five hotspot variants, c.624dupA is associated with later onset of disease, more extensive joint involvement, and a tendency to affect elbow joints. Biallelic null variants with at least one variant in exon 2 could be a likely cause of long bone shortening and severe deformities.
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Affiliation(s)
- Wei Wang
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Si-Hao Gao
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Min Wei
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Lin-Qing Zhong
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Wei Liu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Shan Jian
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Juan Xiao
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Cai-Hui Zhang
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
| | - Jian-Guo Zhang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xiao-Feng Zeng
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, Beijing 100730, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Beijing 100730, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100730, China
| | - Wei-Bo Xia
- Department of Endocrinology, National Health Commission Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Zheng-Qing Qiu
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China.
| | - Hong-Mei Song
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng, Beijing 100730, China
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Zou YD, Yao HH, Li JC, Zhang K, Li ZG. A novel WISP3 mutation in a Chinese patient with progressive pseudorheumatoid dysplasia. QJM 2023; 116:458-460. [PMID: 36759945 DOI: 10.1093/qjmed/hcad015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 02/11/2023] Open
Affiliation(s)
- Ya-Dan Zou
- From the Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
- Department of Rheumatology and Immunology, Peking University International Hospital, Beijing, China
| | - Hai-Hong Yao
- From the Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Jia-Chen Li
- From the Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Kai Zhang
- From the Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Zhan-Guo Li
- From the Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
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Lv S, Zhao J, Liu L, Wang C, Yue H, Zhang H, Li S, Zhang Z. Exploring and expanding the phenotype and genotype diversity in seven Chinese families with spondylo-epi-metaphyseal dysplasia. Front Genet 2022; 13:960504. [PMID: 36118854 PMCID: PMC9473317 DOI: 10.3389/fgene.2022.960504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Spondylo-epi-metaphyseal dysplasia (SEMD) is a heterogeneous group of disorders with different modes of inheritance and is characterized by disproportionate or proportionate short stature. To date, more than 30 disease-causing genes have been identified, and different types of SEMD exhibit greatly overlapping clinical features, which usually complicate the diagnosis. This study was performed to expand the clinical and molecular spectrum of SEMD among Chinese subjects and to explore their potential phenotype–genotype relations. We enrolled seven families including 11 affected patients with SEMD, and their clinical, radiographic, and genetic data were carefully analyzed. All the seven probands showed different degrees of short stature, and each of them exhibited additional specific skeletal manifestations; four probands had extraosseous manifestations. X-rays of the seven probands showed common features of SEMD, including vertebral deformities, irregular shape of the epiphysis, and disorganization of the metaphysis. Seven variants were identified in TRPV4 (c.694C> T, p.Arg232Cys), COL2A1 (c.654 + 1G > C; c.3266_3268del, p.Gly1089del), CCN6 (c.396 T> G, p.Cys132Trp; c.721 T>C, p.Cys241Arg), SBDS (c.258 + 2T> C), and ACAN (c.1508C> A, p.Thr503Lys) genes, and two of them were novel. Two families with TRPV4 variants showed considerable intrafamily and interfamily heterogeneities. In addition, we reported one case of SEMD with a severe phenotype caused by ACAN gene mutation. Our study expands the phenotype and genetic spectrum of SEMD and provides evidence for the phenotype–genotype relations, aiding future molecular and clinical diagnosis as well as procreative management of SEMD.
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Affiliation(s)
| | | | | | | | | | | | - Shanshan Li
- *Correspondence: Shanshan Li, ; Zhenlin Zhang,
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Chen Z, Cui R, Zhang Z, Dai SM. A novel compound heterozygous mutation of WISP3 in progressive pseudorheumatoid dysplasia mimicking juvenile idiopathic arthritis. QJM 2022; 115:549-550. [PMID: 35445714 DOI: 10.1093/qjmed/hcac105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Indexed: 11/12/2022] Open
Affiliation(s)
- Z Chen
- Department of Rheumatology and Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - R Cui
- Department of Rheumatology and Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Z Zhang
- Shanghai Clinical Research Center of Bone Disease, Department of Osteoporosis and Bone Disease, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - S-M Dai
- Department of Rheumatology and Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
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Liu Z, Chen X. Progressive pseudorheumatoid dysplasia: a case series report. Transl Pediatr 2021; 10:1932-1939. [PMID: 34430442 PMCID: PMC8349966 DOI: 10.21037/tp-21-152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/10/2021] [Indexed: 11/06/2022] Open
Abstract
rogressive pseudorheumatoid dysplasia (PPRD) is a rare autosomal-recessive, noninflammatory arthropathy. Several cases have been reported worldwide; however, diagnosis remains challenging. Three unrelated children with PPRD were retrospectively studied. All three patients in this study were initially misdiagnosed. The misdiagnoses included juvenile rheumatoid arthritis, myodystrophy and idiopathic short stature. The time from the onset of symptoms to a definitive diagnosis was 3 to 8 years. Clinical signs and radiological phenotypes were analyzed carefully, and they were all consistent with the characteristics of PPRD and noninflammatory polyarticular enlargement. The small joints of both the hands and lower limbs are the most affected. The imaging findings of the patients were flat vertebrae with beak- or bullet-like changes in front of the cone and peripheral metaphysis widening. DNA samples obtained from the family were sequenced to identify the causal gene using whole-exome sequencing (WES). Four Wnt1-inducible signaling pathway protein 3 (WISP3) mutations were verified. c.271delC was not reported previously. The other three mutations, namely, c.136C>T (p. Gln46*), c.667T>G (p. Cys223Gly) and c.589+2T>C, were previously identified. All three patients had a long journey to diagnosis. Early genetic diagnosis can help prevent unnecessary treatments and procedures in patients. Growth hormone is not a good choice for treatment.
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Affiliation(s)
- Ziqin Liu
- Department of Endocrinology, Children's Hospital Capital Institute of Pediatrics, Beijing, China
| | - Xiaobo Chen
- Department of Endocrinology, Children's Hospital Capital Institute of Pediatrics, Beijing, China
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Ciaffi J, Facchini G, Miceli M, Borlandelli E, Meliconi R, Ursini F. Progressive Pseudorheumatoid Dysplasia-Radiographic Evolution Over Twenty Years. Arthritis Rheumatol 2021; 73:2051. [PMID: 34042318 DOI: 10.1002/art.41815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 04/02/2021] [Indexed: 11/12/2022]
Affiliation(s)
| | | | | | | | - Riccardo Meliconi
- Istituto Ortopedico Rizzoli, IRCCS and University of Bologna, Bologna, Italy
| | - Francesco Ursini
- Istituto Ortopedico Rizzoli, IRCCS and University of Bologna, Bologna, Italy
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8
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Al Kaissi A, Kenis V, Jemaa LB, Sassi H, Shboul M, Grill F, Ganger R, Kircher SG. Skeletal phenotype/genotype in progressive pseudorheumatoid chondrodysplasia. Clin Rheumatol 2019; 39:553-560. [PMID: 31628567 DOI: 10.1007/s10067-019-04783-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 08/21/2019] [Accepted: 09/12/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND Axial and extra-axial deceleration in function and progressive joint pain with subsequent development of antalgic gait associated with swellings, and stiffness of the joints with loss of the physiological spine biomechanics were the natural history in this group of patients. Clinical and radiological phenotypes have been analysed carefully to further understand the aetiology behind. METHODS Seven patients (three children around the age of 9-11 and one child of 17 years old). Three adults aging 25, 30, 33 and 40 years old were seen and examined. The paediatric group of patients were initially diagnosed with myopathy followed later by juvenile rheumatoid arthritis in other institutions. Clinical and imaging documentation were collected in our departments, followed by mutation screening, was carried out by bidirectional sequencing of the WISP3 gene. RESULTS Clinical and radiological phenotypic studies confirmed the diagnosis of progressive pseudorheumatoid chondrodysplasia. A constellation of abnormalities such as early senile hyperostosis of the spine (Forestier disease), osteoarthritis of the hips showed progressive diminution and irregularities of the hip joint spaces associated with progressive capital femoral epiphyseal dysplasia and coxa vara have been encountered. Loss-of-function homozygous mutations (c.667T>G, p.Cys223Gly) and (c.170C>A, p.Ser57*) in the WISP3 gene were identified in our patients. CONCLUSION The definite diagnosis was not defined via vigorous myopathic and rheumatologic investigations. Detailed clinical examination and skeletal survey, followed by genotypic confirmation, were our fundamental pointers to rule out the false diagnosis of juvenile rheumatoid arthritis and rheumatoid polyarthritis in the adult group of patients. We wish to stress that the clinical/radiological phenotype is the baseline tool to establish a definite diagnosis and to guide the geneticist toward proper genotype.Key Points•Joint pain and difficulties in walking/climbing the stairs are characteristic features encountered in early childhood. False diagnosis of juvenile rheumatoid arthritis can be made at this point.•False positive-like muscular wasting resembling myopathy results in ensuing vigorous troublesome investigations.•Flattened vertebral bodies associated with defective ossification of the anterior end plates are characteristic features of progressive pseudorheumatoid chondrodysplasia.•Joint expansions, which are usually accompanied by narrowing of the articular ends of the appendicular skeletal system, show a clear radiological phenotype of pseudorheumatoid chondrodysplasia.
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Affiliation(s)
- Ali Al Kaissi
- Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, First Medical Department, Hanusch Hospital, Vienna, Austria.
- Orthopaedic Hospital of Speising, Paediatric Department, Speisinger Str. 109, Vienna, 1130, Austria.
| | - Vladimir Kenis
- Department of Foot and Ankle Surgery, Neuroorthopaedics and Systemic Disorders, Pediatric Orthopedic Institute n.a. H. Turner, Parkovaya str., 64-68, Pushkin, Saint-Petersburg, Russia
| | - Lamia Ben Jemaa
- Department of Human Genetics, Mongi Slim Hospital Marsa, Tunis, Tunisia
| | - Hela Sassi
- Department of Human Genetics, Mongi Slim Hospital Marsa, Tunis, Tunisia
| | - Mohammad Shboul
- Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Franz Grill
- Orthopaedic Hospital of Speising, Paediatric Department, Speisinger Str. 109, Vienna, 1130, Austria
| | - Rudolf Ganger
- Orthopaedic Hospital of Speising, Paediatric Department, Speisinger Str. 109, Vienna, 1130, Austria
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Torreggiani S, Torcoletti M, Campos-Xavier B, Baldo F, Agostoni C, Superti-Furga A, Filocamo G. Progressive pseudorheumatoid dysplasia: a rare childhood disease. Rheumatol Int 2018; 39:441-452. [PMID: 30327864 DOI: 10.1007/s00296-018-4170-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 10/04/2018] [Indexed: 01/13/2023]
Abstract
Progressive pseudorheumatoid dysplasia (PPRD) is a genetic bone disorder characterised by the progressive degeneration of articular cartilage that leads to pain, stiffness and joint enlargement. As PPRD is a rare disease, available literature is mainly represented by single case reports and only a few larger case series. Our aim is to review the literature concerning clinical, laboratory and radiological features of PPRD. PPRD is due to a mutation in Wnt1-inducible signalling protein 3 (WISP3) gene, which encodes a signalling factor involved in cartilage homeostasis. The disease onset in childhood and skeletal changes progresses over time leading to significant disability. PPRD is a rare condition that should be suspected if a child develops symmetrical polyarticular involvement without systemic inflammation, knobbly interphalangeal joints of the hands, and gait abnormalities. A full skeletal survey, or at least a lateral radiograph of the spine, can direct towards a correct diagnosis that can be confirmed molecularly. More than 70 WISP3 mutations have so far been reported. Genetic testing should start with the study of genomic DNA extracted from blood leucocytes, but intronic mutations in WISP3 causing splicing aberrations can only be detected by analysing WISP3 mRNA, which can be extracted from cultured skin fibroblasts. A skin biopsy is, therefore, indicated in patients with typical PPRD findings and negative mutation screening of genomic DNA.
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Affiliation(s)
- Sofia Torreggiani
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 9, 20122, Milan, Italy.
| | - Marta Torcoletti
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 9, 20122, Milan, Italy
| | - Belinda Campos-Xavier
- Division of Genetic Medicine, Centre Hospitalier Universitaire Vaudois, Rue du Bugnon 21, 1011, Lausanne, Switzerland
| | - Francesco Baldo
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 9, 20122, Milan, Italy
| | - Carlo Agostoni
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 9, 20122, Milan, Italy
| | - Andrea Superti-Furga
- Division of Genetic Medicine, Centre Hospitalier Universitaire Vaudois, Rue du Bugnon 21, 1011, Lausanne, Switzerland
| | - Giovanni Filocamo
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 9, 20122, Milan, Italy
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Sailani MR, Chappell J, Jingga I, Narasimha A, Zia A, Lynch JL, Mazrouei S, Bernstein JA, Aryani O, Snyder MP. WISP3 mutation associated with pseudorheumatoid dysplasia. Cold Spring Harb Mol Case Stud 2018; 4:mcs.a001990. [PMID: 29092958 PMCID: PMC5793776 DOI: 10.1101/mcs.a001990] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 09/28/2017] [Indexed: 01/28/2023] Open
Abstract
Progressive pseudorheumatoid dysplasia (PPD) is a skeletal dysplasia characterized by predominant involvement of articular cartilage with progressive joint stiffness. Here we report genetic characterization of a consanguineous family segregating an uncharacterized from of skeletal dysplasia. Whole-exome sequencing of four affected siblings and their parents identified a loss-of-function homozygous mutation in the WISP3 gene, leading to diagnosis of PPD in the affected individuals. The identified variant (Chr6: 112382301; WISP3:c.156C>A p.Cys52*) is rare and predicted to cause premature termination of the WISP3 protein.
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Affiliation(s)
- M Reza Sailani
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - James Chappell
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - Inlora Jingga
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - Anil Narasimha
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - Amin Zia
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - Janet Linnea Lynch
- Department of Genetics, Stanford University, Stanford, California 94304, USA
| | - Safoura Mazrouei
- Clinic of Internal Medicine, Department of Cardiology, University Heart Center, Jena University Hospital, 07747 Jena, Germany
| | | | - Omid Aryani
- Department of Neuroscience, Iran University of Medical Sciences, Tehran 1449614535, Iran.,Endocrinology and Metabolic Research Institute, Tehran University of Medical Sciences, Tehran 1599666615, Iran
| | - Michael P Snyder
- Department of Genetics, Stanford University, Stanford, California 94304, USA
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Hu Q, Liu J, Wang Y, Wang J, Shi H, Sun Y, Wu X, Yang C, Teng J. Delayed-onset of progressive pseudorheumatoid dysplasia in a Chinese adult with a novel compound WISP3 mutation: a case report. BMC MEDICAL GENETICS 2017; 18:149. [PMID: 29246200 PMCID: PMC5732398 DOI: 10.1186/s12881-017-0507-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 11/29/2017] [Indexed: 01/16/2023]
Abstract
BACKGROUND Progressive pseudorheumatoid dysplasia (PPD) is a rare autosomal recessive genetic disease that is characterized by pain, stiffness and enlargement of multiple joints with an age of onset between 3 and 8 years old. Mutations in the WISP3 (Wnt1-inducible signal pathway) gene are known to be the cause of PPD. CASE PRESENTATION We present a case of delayed-onset PPD in a Chinese man. The 35-year-old proband presented with an almost 20-year history of pain and limitations in mobility in multiple joints. Based on the clinical manifestations, the patient was diagnosed with PPD; however, there was no specific evidence to confirm this diagnosis. Through mutational analyses, two WIPS3 mutations in exon 4, including a novel frameshift mutation (c.670dupA) in the paternal allele and an already described nonsense mutation (c.756C > A, p.Cys252*) in the maternal allele, were identified in the proband. Thus, the patient was diagnosed with PPD. Furthermore, we found that the proband's son only carried one of the mutations (c.670dupA) and therefore determined that he would not be affected by PPD in the future. CONCLUSIONS In this case, we successfully diagnosed the disease that the proband was affected precisely after the reunion of clinical diagnosis and genetic analysis. These findings demonstrate the clinical utility of genetic analysis to diagnose skeletal dysplasia and guide genetic counseling.
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Affiliation(s)
- Qiongyi Hu
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jing Liu
- State Key Laboratory of Genetic Engineering and Ministry of Education (MOE) Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Yi Wang
- State Key Laboratory of Genetic Engineering and Ministry of Education (MOE) Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Jiucun Wang
- State Key Laboratory of Genetic Engineering and Ministry of Education (MOE) Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Hui Shi
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yue Sun
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xinyao Wu
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Chengde Yang
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Jialin Teng
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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Krupska I, Bruford EA, Chaqour B. Eyeing the Cyr61/CTGF/NOV (CCN) group of genes in development and diseases: highlights of their structural likenesses and functional dissimilarities. Hum Genomics 2015; 9:24. [PMID: 26395334 PMCID: PMC4579636 DOI: 10.1186/s40246-015-0046-y] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 09/16/2015] [Indexed: 01/03/2023] Open
Abstract
“CCN” is an acronym referring to the first letter of each of the first three members of this original group of mammalian functionally and phylogenetically distinct extracellular matrix (ECM) proteins [i.e., cysteine-rich 61 (CYR61), connective tissue growth factor (CTGF), and nephroblastoma-overexpressed (NOV)]. Although “CCN” genes are unlikely to have arisen from a common ancestral gene, their encoded proteins share multimodular structures in which most cysteine residues are strictly conserved in their positions within several structural motifs. The CCN genes can be subdivided into members developmentally indispensable for embryonic viability (e.g., CCN1, 2 and 5), each assuming unique tissue-specific functions, and members not essential for embryonic development (e.g., CCN3, 4 and 6), probably due to a balance of functional redundancy and specialization during evolution. The temporo-spatial regulation of the CCN genes and the structural information contained within the sequences of their encoded proteins reflect diversity in their context and tissue-specific functions. Genetic association studies and experimental anomalies, replicated in various animal models, have shown that altered CCN gene structure or expression is associated with “injury” stimuli—whether mechanical (e.g., trauma, shear stress) or chemical (e.g., ischemia, hyperglycemia, hyperlipidemia, inflammation). Consequently, increased organ-specific susceptibility to structural damages ensues. These data underscore the critical functions of CCN proteins in the dynamics of tissue repair and regeneration and in the compensatory responses preceding organ failure. A better understanding of the regulation and mode of action of each CCN member will be useful in developing specific gain- or loss-of-function strategies for therapeutic purposes.
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Affiliation(s)
- Izabela Krupska
- Department of Cell Biology, Downstate Medical Center, Brooklyn, NY, 11203, USA.,Department of Ophthalmology, Downstate Medical Center, Brooklyn, NY, 11203, USA
| | - Elspeth A Bruford
- HUGO Gene Nomenclature Committee, European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK
| | - Brahim Chaqour
- Department of Cell Biology, Downstate Medical Center, Brooklyn, NY, 11203, USA. .,Department of Ophthalmology, Downstate Medical Center, Brooklyn, NY, 11203, USA. .,State University of New York (SUNY) Eye Institute Downstate Medical Center, 450 Clarkson Avenue, MSC 5, Brooklyn, NY, 11203, USA.
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