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Nilay M, Rawool A, Mandal K. Progressive Pseudorheumatoid Dysplasia of Childhood (PPRD)-A Case Series with Recurrent c.740_741del Variant. J Pediatr Genet 2024; 13:62-68. [PMID: 38567170 PMCID: PMC10984709 DOI: 10.1055/s-0041-1736611] [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: 05/19/2021] [Accepted: 09/21/2021] [Indexed: 10/20/2022]
Abstract
Progressive pseudorheumatoid dysplasia (PPRD) is an autosomal recessive arthropathy, affecting school-aged children. It is characterized by progressive degeneration of the articular cartilage. The majority of the pathogenic variations are found in exon 2, exon 4, and exon 5 of the putative gene, CCN6 (WISP3). Three unrelated individuals with clinical diagnosis of PPD were included in this study. Detailed clinicoradiological evaluation was attempted with brief literature review. Exome sequencing was performed in all three cases. All the pathogenic variations detected in our cohort were located in exons 2 and 4 of WISP3 gene. Though the clinicoradiological features are already well described, this study in north India highlights the occurrence of a recurring pathogenic variant. The c.740_741del variant was a recurrent pathogenic variant seen in all three patients in this cohort. This may be a common pathogenic variant in the North Indian population; however, a larger cohort needs to be studied before drawing final conclusions. A proper molecular diagnosis is a must to end the diagnostic odyssey, safeguarding patients with PPRD from unnecessary use of drugs like corticosteroids.
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Affiliation(s)
- Mayank Nilay
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Anup Rawool
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
- Department of Clinical Genetics, Sahyadri Hospitals Limited, Pune, Maharashtra, India
| | - Kausik Mandal
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
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2
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Li C, Alemany-Ribes M, Raftery RM, Nwoko U, Warman ML, Craft AM. Directed differentiation of human pluripotent stem cells into articular cartilage reveals effects caused by absence of WISP3, the gene responsible for progressive pseudorheumatoid arthropathy of childhood. Ann Rheum Dis 2023; 82:1547-1557. [PMID: 37679035 DOI: 10.1136/ard-2023-224304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 08/15/2023] [Indexed: 09/09/2023]
Abstract
OBJECTIVES Progressive pseudorheumatoid arthropathy of childhood (PPAC), caused by deficiency of WNT1 inducible signalling pathway protein 3 (WISP3), has been challenging to study because no animal model of the disease exists and cartilage recovered from affected patients is indistinguishable from common end-stage osteoarthritis. Therefore, to gain insights into why precocious articular cartilage failure occurs in this disease, we made in vitro derived articular cartilage using isogenic WISP3-deficient and WISP3-sufficient human pluripotent stem cells (hPSCs). METHODS We generated articular cartilage-like tissues from induced-(i) PSCs from two patients with PPAC and one wild-type human embryonic stem cell line in which we knocked out WISP3. We compared these tissues to in vitro-derived articular cartilage tissues from two isogenic WISP3-sufficient control lines using histology, bulk RNA sequencing, single cell RNA sequencing and in situ hybridisation. RESULTS WISP3-deficient and WISP3-sufficient hPSCs both differentiated into articular cartilage-like tissues that appeared histologically similar. However, the transcriptomes of WISP3-deficient tissues differed significantly from WISP3-sufficient tissues and pointed to increased TGFβ, TNFα/NFκB, and IL-2/STAT5 signalling and decreased oxidative phosphorylation. Single cell sequencing and in situ hybridisation revealed that WISP3-deficient cartilage contained a significantly higher fraction (~4 fold increase, p<0.001) of superficial zone chondrocytes compared with deeper zone chondrocytes than did WISP3-sufficient cartilage. CONCLUSIONS WISP3-deficient and WISP3-sufficient hPSCs can be differentiated into articular cartilage-like tissues, but these tissues differ in their transcriptomes and in the relative abundances of chondrocyte subtypes they contain. These findings provide important starting points for in vivo studies when an animal model of PPAC or presymptomatic patient-derived articular cartilage becomes available.
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Affiliation(s)
- Chaochang Li
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Mireia Alemany-Ribes
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Rosanne M Raftery
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Uzochi Nwoko
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Matthew L Warman
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
| | - April M Craft
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
- Department of Orthopedic Surgery, Harvard Medical School, Boston, MA, USA
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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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Kaur S, Roberts DD. Why do humans need thrombospondin-1? J Cell Commun Signal 2023; 17:485-493. [PMID: 36689135 PMCID: PMC10409698 DOI: 10.1007/s12079-023-00722-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 01/07/2023] [Indexed: 01/24/2023] Open
Abstract
Matricellular proteins comprise several families of secreted proteins that function in higher animals at the interface between cells and their surrounding extracellular matrix. Targeted gene disruptions that result in loss of viability in mice have revealed critical roles for several matricellular proteins in murine embryonic development, including two members of the cellular communication network (CCN) gene family. In contrast, mice lacking single or multiple members of the thrombospondin (THBS) gene family remain viable and fertile. The frequency of loss of function mutants, identified using human deep exome sequencing data, provided evidence that some of the essential genes in mice, including Ccn1, are also essential genes in humans. However, a deficit in loss of function mutants in humans indicated that THBS1 is also highly loss-intolerant. In addition to roles in embryonic development or adult reproduction, genes may be loss-intolerant in humans because their function is needed to survive environmental stresses that are encountered between birth and reproduction. Laboratory mice live in a protected environment that lacks the exposures to pathogens and injury that humans routinely face. However, subjecting Thbs1-/- mice to defined stresses has provided valuable insights into functions of thrombospondin-1 that could account for the loss-intolerance of THBS1 in humans. Stress response models using transgenic mice have identified protective functions of thrombospondin-1 in the cardiovascular system (red) and immune defenses (blue) that could account for its intolerance to loss of function mutants in humans.
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Affiliation(s)
- Sukhbir Kaur
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 Room 2S235, 10 Center Dr, Bethesda, MD, 20892-1500, USA
| | - David D Roberts
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 Room 2S235, 10 Center Dr, Bethesda, MD, 20892-1500, USA.
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Gupta A, Bagri N, Chandola S, Jana M. Case 316: Progressive Pseudorheumatoid Dysplasia. Radiology 2023; 308:e220630. [PMID: 37642564 DOI: 10.1148/radiol.220630] [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: 08/31/2023]
Abstract
HISTORY A 10-year-old North Indian boy presented with swelling of multiple joints in his hands for the past 3 years. This swelling involved the small joints of his hands and some restriction of joint movement, without any associated tenderness or morning stiffness. No other joints were symptomatically involved. Prior to visiting our hospital, he had received disease-modifying antirheumatoid drugs for suspected juvenile idiopathic arthritis, without any clinical benefit. On examination, the metacarpophalangeal and interphalangeal joints were nontender but had swelling and flexion deformities. He also had a short stature (below the third centile) for his age. Inflammatory markers, including erythrocyte sedimentation rate (7 mm per hour; normal range, 0-22 mm per hour) and C-reactive protein level (1.5 mg/L; normal level, <10 mg/L), were normal, and the rheumatoid factor test result was negative. A skeletal survey of the patient was performed.
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Affiliation(s)
- Amit Gupta
- From the Department of Radiodiagnosis and Interventional Radiology (A.G., S.C., M.J.) and Department of Pediatrics (N.B.), All India Institute of Medical Sciences, New Delhi 110029, India
| | - Narendra Bagri
- From the Department of Radiodiagnosis and Interventional Radiology (A.G., S.C., M.J.) and Department of Pediatrics (N.B.), All India Institute of Medical Sciences, New Delhi 110029, India
| | - Stuti Chandola
- From the Department of Radiodiagnosis and Interventional Radiology (A.G., S.C., M.J.) and Department of Pediatrics (N.B.), All India Institute of Medical Sciences, New Delhi 110029, India
| | - Manisha Jana
- From the Department of Radiodiagnosis and Interventional Radiology (A.G., S.C., M.J.) and Department of Pediatrics (N.B.), All India Institute of Medical Sciences, New Delhi 110029, India
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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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Li C, Ribes MA, Raftery R, Nwoko U, Warman ML, Craft AM. Directed differentiation of human pluripotent stem cells into articular cartilage reveals effects caused by absence of WISP3 , the gene responsible for Progressive Pseudorheumatoid Arthropathy of Childhood. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.01.535214. [PMID: 37066225 PMCID: PMC10103998 DOI: 10.1101/2023.04.01.535214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Objectives Progressive Pseudorheumatoid Arthropathy of Childhood (PPAC), caused by deficiency of WNT1 inducible signaling pathway protein 3 ( WISP3 ), has been challenging to study because no animal model of the disease exists and cartilage recovered from affected patients is indistinguishable from common end-stage osteoarthritis. Therefore, to gain insights into why precocious articular cartilage failure occurs in this disease, we made in vitro derived articular cartilage using isogenic WISP3 -deficient and WISP3 -sufficient human pluripotent stem cells (hPSCs). Methods We generated articular cartilage-like tissues from induced-(i)PSCs from 2 patients with PPAC and 1 wild-type human embryonic stem cell line in which we knocked out WISP3. We compared these tissues to in vitro -derived articular cartilage tissues from 2 isogenic WISP3 -sufficient control lines using histology, bulk RNA sequencing, single cell RNA sequencing, and in situ hybridization. Results WISP3 -deficient and WISP3 -sufficient hPSCs both differentiated into articular cartilage-like tissues that appeared histologically similar. However, the transcriptomes of WISP3 -deficient tissues differed significantly from WISP3 -sufficient tissues and pointed to increased TGFβ, TNFα/NFkB, and IL-2/STAT5 signaling and decreased oxidative phosphorylation. Single cell sequencing and in situ hybridization revealed that WISP3 -deficient cartilage contained a significantly higher fraction (∼ 4-fold increase, p < 0.001) of superficial zone chondrocytes compared to deeper zone chondrocytes than did WISP3 -sufficient cartilage. Conclusions WISP3 -deficient and WISP3 -sufficient hPSCs can be differentiated into articular cartilage-like tissues, but these tissues differ in their transcriptomes and in the relative abundances of chondrocyte sub-types they contain. These findings provide important starting points for in vivo studies when an animal model of PPAC or presymptomtic patient-derived articular cartilage becomes available. KEY MESSAGES What is already known on this topic: Loss-of-function mutations in WISP3 cause Progressive Pseudorheumatoid Arthropathy of Childhood (PPAC), yet the precise function of WISP3 in cartilage is unknown due to the absence of cartilage disease Wisp3 knockout mice and the lack of available PPAC patient cartilage that is not end-stage. Thus, most functional studies of WISP3 have been performed in vitro using WISP3 over-expressing cell lines (i.e., not wild-type) and WISP3 -deficient chondrocytes. What this study adds: We describe 3 new WISP3 -deficient human pluripotent stem cell (hPSC) lines and show they can be differentiated into articular cartilage-like tissue. We compare in vitro -derived articular cartilage made from WISP3 -deficient and isogenic WISP3 - sufficient hPSCs using bulk RNA sequencing, single cell RNA sequencing, and in situ hybridization. We observe significant differences in the expression of genes previously associated with cartilage formation and homeostasis in the TGFβ, TNFα/NFkB, and IL-2/STAT5 signaling pathways. We also observe that WISP3-deficient cartilage-like tissues contain significantly higher fractions of chondrocytes that express superficial zone transcripts. These data suggest precocious cartilage failure in PPAC is the result of abnormal articular cartilage formation, dysregulated homeostatic signaling, or both.How this study might affect research, practice or policy: This study uses in vitro -derived articular cartilage to generate hypotheses for why cartilage fails in children with PPAC. This work prioritizes downstream studies to be performed when pre-symptomatic patient-derived cartilage samples or animal model of PPAC becomes available. It is essential to know how WISP3 functions in cartilage to develop therapies that benefit patients with PPAC and other degenerative joint diseases.
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Ganguly A, Padhan DK, Sengupta A, Chakraborty P, Sen M. CCN6 influences transcription and controls mitochondrial mass and muscle organization. FASEB J 2023; 37:e22815. [PMID: 36794678 DOI: 10.1096/fj.202201533r] [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: 09/22/2022] [Revised: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 02/17/2023]
Abstract
Mutations in Cellular Communication Network Factor 6 (CCN6) are linked to the debilitating musculoskeletal disease Progressive Pseudo Rheumatoid Dysplasia (PPRD), which disrupts mobility. Yet, much remains unknown about CCN6 function at the molecular level. In this study, we revealed a new function of CCN6 in transcriptional regulation. We demonstrated that CCN6 localizes to chromatin and associates with RNA Polymerase II in human chondrocyte lines. Using zebrafish as a model organism we validated the nuclear presence of CCN6 and its association with RNA Polymerase II in different developmental stages from 10 hpf embryo to adult fish muscle. In concurrence with these findings, we confirmed the requirement of CCN6 in the transcription of several genes encoding mitochondrial electron transport complex proteins in the zebrafish, both in the embryonic stages and in the adult muscle. Reduction in the expression of these genes upon morpholino-mediated knockdown of CCN6 protein expression led to reduced mitochondrial mass, which correlated with defective myotome organization during zebrafish muscle development. Overall, this study suggests that the developmental musculoskeletal abnormalities linked with PPRD could be contributed at least partly by impaired expression of genes encoding mitochondrial electron transport complexes due to defects in CCN6 associated transcriptional regulation.
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Affiliation(s)
- Ananya Ganguly
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Deepesh Kumar Padhan
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Archya Sengupta
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Pritam Chakraborty
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India.,Biochemistry and Molecular Biology, Southern Illinois University, USA
| | - Malini Sen
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Gait Alterations in Two Young Siblings with Progressive Pseudorheumatoid Dysplasia. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9121982. [PMID: 36553423 PMCID: PMC9776635 DOI: 10.3390/children9121982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Progressive pseudorheumatoid dysplasia (PPRD) is an autosomal recessive inherited skeletal dysplasia characterized by progressive non-inflammatory arthropathy affecting primarily the articular cartilage. Currently, little is known about the functional musculoskeletal aspects of these patients. In particular, an abnormal gait pattern has been described, without a clear hypothesis of the underlying causes in terms of muscular activity. This study presents the case of two siblings, 4 and 9 years old, a boy and a girl, respectively, suffering from PPRD at different stages of the disease. In addition to the clinical assessment, an instrumental gait analysis was performed. Swelling of the interphalangeal finger joints and fatigue were present in both cases. Gait abnormalities consisted of a relevant reduction in the ankle plantarflexion in the terminal phase of the gait cycle, associated with reduced gastrocnemius EMG activity and increased activity of the tibialis anterior, resulting in overloading at the initial peak of ground reaction forces. Gait anomalies observed were similar in both siblings with PPRD, although at different ages, and confirm walking patterns previously described in the literature. The calf muscle strength deficit and reduced activity during the stance phase of gait present in these two siblings indicate the typical absence of the propulsive phase. A stomping gait pattern, with the foot striking the ground hard on each step, was originally described. Further neurophysiological investigations are required to determine the origin of muscle weakness.
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Pulsatelli L, Manferdini C, Gabusi E, Mariani E, Ursini F, Ciaffi J, Meliconi R, Lisignoli G. Mesenchymal stromal cells from a progressive pseudorheumatoid dysplasia patient show altered osteogenic differentiation. Eur J Med Res 2022; 27:57. [PMID: 35462544 PMCID: PMC9036808 DOI: 10.1186/s40001-022-00683-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/31/2022] [Indexed: 11/10/2022] Open
Abstract
Background Progressive pseudorheumatoid dysplasia (PPRD) is a rare autosomal recessive non-inflammatory skeletal disease with childhood onset and is characterized by a progressive chondropathy in multiple joints, and skeletal abnormalities. To date, the etiopathological relationship between biological modification occurring in PPRD and genetic mutation remains an open issue, partially due to the limited availability of biological samples obtained from PPRD patients for experimental studies. Case presentation We describe the clinical features of a PPRD patient and experimental results obtained from the biological characterization of PPRD mesenchymal stromal cells (MSCs) and osteoblasts (OBs) compared to normal cell populations. Phenotypic profile modifications were found in PPRD compared to normal subjects, essentially ascribed to decreased expression of CD146, osteocalcin (OC) and bone sialoprotein in PPRD MSCs and enhanced CD146, OC and collagen type I expression in PPRD OBs. Gene expression of Dickkopf-1, a master inhibitor of WNT signaling, was remarkably increased in PPRD MSCs compared to normal expression range, whereas PPRD OBs essentially exhibited higher OC gene expression levels. PPRD MSCs failed to efficiently differentiate into mature OBs, so showing a greatly impaired osteogenic potential. Conclusions Since all regenerative processes require stem cell reservoirs, compromised functionality of MSCs may lead to an imbalance in bone homeostasis, suggesting a potential role of MSCs in the pathological mechanisms of PPRD caused by WNT1-inducible signaling pathway protein-3 (WISP3) mutations. In consideration of the lack of compounds with proven efficacy in such a rare disease, these data might contribute to better identify new specific and effective therapeutic approaches.
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Yin H, Tang G, Lu L. The genetics of progressive pseudorheumatoid dysplasia. QJM 2022; 115:hcac107. [PMID: 35485200 DOI: 10.1093/qjmed/hcac107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 04/15/2022] [Accepted: 04/18/2022] [Indexed: 11/14/2022] Open
Affiliation(s)
- H Yin
- Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 145 Middle Shandong Road, Shanghai 200001, China
| | - G Tang
- Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 145 Middle Shandong Road, Shanghai 200001, China
| | - L Lu
- Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 145 Middle Shandong Road, Shanghai 200001, China
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12
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Royle LN, Muthee BW, Rosenbaum DG. Inflammatory conditions of the pediatric hand and non-inflammatory mimics. Pediatr Radiol 2022; 52:104-121. [PMID: 34415360 DOI: 10.1007/s00247-021-05162-0] [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: 05/05/2021] [Revised: 06/18/2021] [Accepted: 07/23/2021] [Indexed: 10/20/2022]
Abstract
Hand involvement can assume an outsized role in the perception and presentation of disease as a result of functional impairment, visual conspicuity and susceptibility to early structural damage. Rheumatologic referral for inflammatory conditions can be delayed because of assumptions of a traumatic, infectious or neoplastic etiology; conversely, initial rheumatologic evaluation might be pursued for many of the same non-inflammatory causes. This pictorial essay highlights inflammatory conditions affecting the pediatric hand, including juvenile idiopathic arthritis, infectious arthritis, systemic connective tissue disorders, and a variety of less common inflammatory diseases, as well as non-inflammatory congenital, vascular, neoplastic and metabolic differential considerations.
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Affiliation(s)
- Leanne N Royle
- Department of Radiology, British Columbia Children's Hospital, University of British Columbia, 4500 Oak St., Vancouver, BC, V6H 3N1, Canada
| | - Bernadette W Muthee
- Department of Radiology, British Columbia Children's Hospital, University of British Columbia, 4500 Oak St., Vancouver, BC, V6H 3N1, Canada
| | - Daniel G Rosenbaum
- Department of Radiology, British Columbia Children's Hospital, University of British Columbia, 4500 Oak St., Vancouver, BC, V6H 3N1, Canada.
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Uludağ Alkaya D, Kasapçopur Ö, Bursalı A, Adrovic A, Demir B, Aykut A, Tüysüz B. Specific early signs and long-term follow-up findings of Progressive Pseudorheumatoid Dysplasia (PPRD) in the Turkish cohort. Rheumatology (Oxford) 2021; 61:3693-3703. [PMID: 34919662 DOI: 10.1093/rheumatology/keab926] [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: 06/10/2021] [Revised: 12/08/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Progressive pseudorheumatoid dysplasia (PPRD) is a spondyloepiphyseal dysplasia caused by biallelic variants in CCN6. This study aimed to describe the early signs and follow-up findings in forty-four Turkish PPRD patients. METHODS The patients with progressive stiffness of multiple joints, characteristic wide metaphysis of interphalangeal (IP) joints, and platyspondyly were clinically diagnosed with PPRD. Fifteen patients who had first symptoms under 3 years of age were grouped as early-onset, while others were grouped as classical. CCN6 sequencing was performed in 43 patients. RESULTS Thirteen pathogenic/likely pathogenic variants were identified, five were novel. c.156C>A(p.Cys52*) variant was found in 53.3% of the families. The initial symptom in the early-onset group was genu varum deformity, while it was widening of IP joints in the classical group. The median age of onset of symptoms and of diagnosis was 4 and 9.7 years, respectively. The mean follow-up duration was 5.6 years. The median age of onset of IP, elbow, knee, and hip stiffness, which became progressive with growth was 5, 9, 9, and 12.2 years, respectively. Waddling gait occurred in 97.7% of the patients. 47.7% lost independent walking ability at the median age of 12 years. In the early-onset group, waddling gait occurred earlier than in classical group (p< 0.001). Two patients had atypical presentation with late-onset and mild or lack of IP involvement. CONCLUSION We observed that genu varum deformity before the age of 3 years was an early sign for PPRD and almost half of the patients lost walking ability at the median age of 12 years.
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Affiliation(s)
- Dilek Uludağ Alkaya
- Department of Pediatric Genetics, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Özgür Kasapçopur
- Department of Pediatric Rheumatology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ayşegül Bursalı
- Department of Orthopedics and Traumatology, University of Health Sciences Turkey, Baltalimani Bone Diseases Training and Research Center, Istanbul, Turkey
| | - Amra Adrovic
- Department of Pediatric Rheumatology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Bilal Demir
- Department of Orthopedics and Traumatology, University of Health Sciences Turkey, Baltalimani Bone Diseases Training and Research Center, Istanbul, Turkey
| | - Ayça Aykut
- Department of Medical Genetics, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Beyhan Tüysüz
- Department of Pediatric Genetics, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
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Kubota S, Kawaki H, Perbal B, Kawata K, Hattori T, Nishida T. Cellular communication network factor 3 in cartilage development and maintenance. J Cell Commun Signal 2021; 15:533-543. [PMID: 34125392 PMCID: PMC8642582 DOI: 10.1007/s12079-021-00629-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/27/2021] [Indexed: 12/30/2022] Open
Abstract
Cellular communication network factor (CCN) 3 is one of the classical members of the CCN family, which are characterized by common molecular structures and multiple functionalities. Although this protein was discovered as a gene product overexpressed in a truncated form in nephroblastoma, recent studies have revealed its physiological roles in the development and homeostasis of mammalian species, in addition to its pathological association with a number of diseases. Cartilage is a tissue that creates most of the bony parts and cartilaginous tissues that constitute the human skeleton, in which CCN3 is also differentially produced to exert its molecular missions therein. In this review article, after the summary of the molecular structure and function of CCN3, recent findings on the regulation of ccn3 expression and the roles of CCN3 in endochondral ossification, cartilage development, maintenance and disorders are introduced with an emphasis on the metabolic regulation and function of this matricellular multifunctional molecule.
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Affiliation(s)
- Satoshi Kubota
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan.
| | - Harumi Kawaki
- Department of Oral Biochemistry, Asahi University School of Dentistry, Mizuho, Japan
| | | | - Kazumi Kawata
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Takako Hattori
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Takashi Nishida
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
- Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School, Okayama, Japan
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15
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Tran M, Leflein SA, Gonzalez ME, Kleer CG. The matricellular protein CCN6 differentially regulates mitochondrial metabolism in normal epithelium and in metaplastic breast carcinomas. J Cell Commun Signal 2021; 16:433-445. [PMID: 34811632 DOI: 10.1007/s12079-021-00657-9] [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: 09/26/2021] [Accepted: 11/08/2021] [Indexed: 11/28/2022] Open
Abstract
Metaplastic breast carcinoma (MBC) is an aggressive subtype of triple negative breast cancer with undefined precursors, limited response to chemotherapy, and frequent distant metastasis. Our laboratory has reported that CCN6/WISP3, a secreted protein that regulates growth factor signaling, is downregulated in over 85% of MBCs. Through generation of a mammary epithelial cell-specific Ccn6 knockout mouse model (MMTV-cre;Ccn6fl/fl) we have demonstrated that CCN6 is a tumor suppressor for MBC; MMTV-cre;Ccn6fl/fl mice develop tumors recapitulating the histopathology and proteogenomic landscape of human MBC, but the mechanisms need further investigation. In this study, we report that preneoplastic mammary glands of 8-week-old MMTV-Cre;Ccn6fl/fl female mice show significant downregulation of mitochondrial respiratory chain genes compared to controls, which are further downregulated in MBCs of MMTV-Cre;Ccn6fl/fl mice and humans. We found that CCN6 downregulation in non-tumorigenic breast cells reduces mitochondrial respiration and increases resistance to stress-induced apoptosis compared to controls. Intracellular ectopic CCN6 protein localizes to the mitochondria in MDA-MB-231 mesenchymal-like breast cancer cells, increases mitochondrial respiration and generation of reactive oxygen species, and reverses doxorubicin resistance of MBC cells. Our data highlight a novel function of CCN6 in the regulation of redox states in preneoplastic progression and suggest potential preventative and treatment strategies against MBC based on CCN6 upregulation.
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Affiliation(s)
- Mai Tran
- Department of Pathology, 4217 Rogel Cancer Center, University of Michigan Medical School, 1500 E. Medical Center Dr., Ann Arbor, MI, 48109, USA.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Shoshana A Leflein
- Department of Pathology, 4217 Rogel Cancer Center, University of Michigan Medical School, 1500 E. Medical Center Dr., Ann Arbor, MI, 48109, USA.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Maria E Gonzalez
- Department of Pathology, 4217 Rogel Cancer Center, University of Michigan Medical School, 1500 E. Medical Center Dr., Ann Arbor, MI, 48109, USA.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Celina G Kleer
- Department of Pathology, 4217 Rogel Cancer Center, University of Michigan Medical School, 1500 E. Medical Center Dr., Ann Arbor, MI, 48109, USA. .,Rogel Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA.
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16
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Sheth H, Shah J, Nair A, Naik P, Sheth J. Case Report: Recurrent Variant c.298 TA in CCN6 Gene Found in Progressive Pseudorheumatoid Dysplasia Patients From Patni Community of Gujarat: A Report of Three Cases. Front Genet 2021; 12:724824. [PMID: 34650595 PMCID: PMC8505801 DOI: 10.3389/fgene.2021.724824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/01/2021] [Indexed: 11/25/2022] Open
Abstract
Biallelic mutations in the CCN6 gene are known to cause a rare genetic disorder—progressive pseudorheumatoid dysplasia (PPD). PPD is characterized by distinct joint deformities of interphalangeal joints, stiffness, gait disturbance, abnormal posture, and absence of inflammation, resulting in significant morbidity. The largest case series of PPD from India suggests c.233G>A and c.1010G>A to be the most common mutations in the CCN6 gene, although the distribution of these variants among endogamous communities in India has not been carried out. We here report three cases of PPD from three independent families belonging to the Patni community of Gujarat, a community known to practice endogamy. All three cases had short stature, gait disturbance, scoliosis, and interphalangeal joint deformities. Analysis by whole-exome sequencing in the first case showed the presence of a previously known, homozygous, missense variant c.298T>A (p.Cys100Ser) in exon 3 of the CCN6 gene in all cases. Due to all three families belonging to the same community, analysis by Sanger sequencing in the remaining two cases for the variant mentioned earlier showed both cases to be of homozygous mutant genotype. Unaffected family members, i.e., parents and siblings, were either heterozygous carriers or wildtype for the said variant. The present case series is the first report of a recurrent variant occurring across multiple PPD-affected individuals from unrelated families belonging to the same community from India.
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Affiliation(s)
- Harsh Sheth
- FRIGE's Institute of Human Genetics, Ahmedabad, India
| | - Jhanvi Shah
- FRIGE's Institute of Human Genetics, Ahmedabad, India
| | - Aadhira Nair
- FRIGE's Institute of Human Genetics, Ahmedabad, India
| | - Premal Naik
- Rainbow Superspeciality Hospital and Children's Orthopedic Centre, Ahmedabad, India
| | - Jayesh Sheth
- FRIGE's Institute of Human Genetics, Ahmedabad, India
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17
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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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18
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Nikoloudaki G. Functions of Matricellular Proteins in Dental Tissues and Their Emerging Roles in Orofacial Tissue Development, Maintenance, and Disease. Int J Mol Sci 2021; 22:ijms22126626. [PMID: 34205668 PMCID: PMC8235165 DOI: 10.3390/ijms22126626] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/04/2023] Open
Abstract
Matricellular proteins (MCPs) are defined as extracellular matrix (ECM) associated proteins that are important regulators and integrators of microenvironmental signals, contributing to the dynamic nature of ECM signalling. There is a growing understanding of the role of matricellular proteins in cellular processes governing tissue development as well as in disease pathogenesis. In this review, the expression and functions of different MP family members (periostin, CCNs, TSPs, SIBLINGs and others) are presented, specifically in relation to craniofacial development and the maintenance of orofacial tissues, including bone, gingiva, oral mucosa, palate and the dental pulp. As will be discussed, each MP family member has been shown to have non-redundant roles in development, tissue homeostasis, wound healing, pathology and tumorigenesis of orofacial and dental tissues.
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Affiliation(s)
- Georgia Nikoloudaki
- Schulich Dentistry Department, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada; ; Tel.: +1-519-661-2111 (ext. 81102)
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
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19
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Feng B, Xiao K, Ren Y, Xia Z, Jin J, Wu Z, Qiu G, Weng X. Mid-Term Outcome of Total Hip Arthroplasty in Patients With Progressive Pseudorheumatoid Dysplasia. J Clin Rheumatol 2021; 27:156-160. [PMID: 31876842 DOI: 10.1097/rhu.0000000000001248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Progressive pseudorheumatoid dysplasia (PPD) is a rare disease that causes musculoskeletal deformities. There has been no detailed report on the outcome of PPD patients who undergo total hip arthroplasty (THA). The aim of this study was to investigate the clinical and radiological outcome of PPD patients undergoing THA after middle-term follow-up. METHODS This was a medical records review study. Patients with the diagnosis of PPD who underwent THA were enrolled. The PPD diagnosis was confirmed by genetic sequencing. Baseline clinical data were retrieved. The patients were followed for the Harris Hip Score, visual analogue score, range of hip motion, and postoperative complication. Life quality was evaluated with the Short Form 36. Plain x-ray films were used for radiographic evaluation. RESULTS Four cases were identified from the patient database in our institute. All the patients presented arthropathy of both hips and underwent 1-stage bilateral THA. All the patients had WISP3 mutation after genetic sequencing. The cases were followed at average 47.9 months (range, 18-93 months). Harris Hip Score increased from 39.67 ± 9.73 points preoperatively to 91.67 ± 4.32 points postoperatively (p < 0.05); Short Form 36 increased from 19.67 ± 1.53 points preoperatively to 71.33 ± 3.06 postoperatively (p < 0.05). The hip range of hip motion was significantly improved after operation. X-ray films showed no obvious radiolucent lines or aseptic loosening at the latest follow-up. CONCLUSIONS This study indicated that THA was effective to treat the PPD patients complicated with hip arthropathy with satisfactory clinical and radiological outcome after mid-term follow-up.
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Affiliation(s)
- Bin Feng
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
| | - Ke Xiao
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu
| | - Yi Ren
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
| | - Zenan Xia
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
| | - Jin Jin
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
| | - Zhihong Wu
- Department of Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Beijing, China
| | - Guixing Qiu
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
| | - Xisheng Weng
- From the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Beijing
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20
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Kaur S, Roberts DD. Differential intolerance to loss of function and missense mutations in genes that encode human matricellular proteins. J Cell Commun Signal 2021; 15:93-105. [PMID: 33415696 PMCID: PMC7904989 DOI: 10.1007/s12079-020-00598-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 11/24/2020] [Indexed: 12/11/2022] Open
Abstract
Targeted gene disruption in mice has provided valuable insights into the functions of matricellular proteins. Apart from missense and loss of function mutations that have been associated with inherited diseases, however, their functions in humans remain unclear. The availability of deep exome sequencing data from over 140,000 individuals in the Genome Aggregation Database provided an opportunity to examine intolerance to loss of function and missense mutations in human matricellular genes. The probability of loss-of-function intolerance (pLI) differed widely within members of the thrombospondin, CYR61/CTGF/NOV (CCN), tenascin, small integrin-binding ligand N-linked glycoproteins (SIBLING), and secreted protein, acidic and rich in cysteine (SPARC) gene families. Notably, pLI values in humans had limited correlation with viability of the corresponding homozygous null mice. Among the thrombospondins, only THBS1 was highly loss-intolerant (pLI = 1). In contrast, Thbs1 is not essential for viability in mice. Several known thrombospondin-1 receptors were similarly loss-intolerant, although thrombospondin-1 is not the exclusive ligand for some of these receptors. The frequencies of missense mutations in THBS1 and the gene encoding its signaling receptor CD47 indicated conservation of some residues implicated in specific receptor binding. Deficits in missense mutations were also observed for other thrombospondin genes and for SPARC, SPOCK1, SPOCK2, TNR, and DSPP. The intolerance of THBS1 to loss of function in humans and elevated pLI values for THBS2, SPARC, SPOCK1, TNR, and CCN1 support important functions for these matricellular protein genes in humans, some of which may relate to functions in reproduction or responding to environmental stresses.
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Affiliation(s)
- Sukhbir Kaur
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, NIH, Building 10 Room 2S235, 10 Center Drive MSC1500, Bethesda, MD, 20892-1500, USA.
| | - David D Roberts
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, NIH, Building 10 Room 2S235, 10 Center Drive MSC1500, Bethesda, MD, 20892-1500, USA.
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21
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Sengupta A, Padhan DK, Ganguly A, Sen M. Ccn6 Is Required for Mitochondrial Integrity and Skeletal Muscle Function in Zebrafish. Front Cell Dev Biol 2021; 9:627409. [PMID: 33644064 PMCID: PMC7905066 DOI: 10.3389/fcell.2021.627409] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 01/05/2021] [Indexed: 11/21/2022] Open
Abstract
Mutations in the CCN6 (WISP3) gene are linked with a debilitating musculoskeletal disorder, termed progressive pseudorheumatoid dysplasia (PPRD). Yet, the functional significance of CCN6 in the musculoskeletal system remains unclear. Using zebrafish as a model organism, we demonstrated that zebrafish Ccn6 is present partly as a component of mitochondrial respiratory complexes in the skeletal muscle of zebrafish. Morpholino-mediated depletion of Ccn6 in the skeletal muscle leads to a significant reduction in mitochondrial respiratory complex assembly and activity, which correlates with loss of muscle mitochondrial abundance. These mitochondrial deficiencies are associated with notable architectural and functional anomalies in the zebrafish muscle. Taken together, our results indicate that Ccn6-mediated regulation of mitochondrial respiratory complex assembly/activity and mitochondrial integrity is important for the maintenance of skeletal muscle structure and function in zebrafish. Furthermore, this study suggests that defects related to mitochondrial respiratory complex assembly/activity and integrity could be an underlying cause of muscle weakness and a failed musculoskeletal system in PPRD.
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Affiliation(s)
- Archya Sengupta
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Deepesh Kumar Padhan
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Ananya Ganguly
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Malini Sen
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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22
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Lin LJ, Ge YM, Tian Y, Liu N, Luo XH, Xue YT, Xue YZB, Wen CY, Tang B. Multi-scale mechanical investigation of articular cartilage suffered progressive pseudorheumatoid dysplasia. Clin Biomech (Bristol, Avon) 2020; 79:104947. [PMID: 31959394 DOI: 10.1016/j.clinbiomech.2019.12.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 11/16/2019] [Accepted: 12/30/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Progressive pseudorheumatoid dysplasia is a rare skeletal dysplasia mainly caused by abnormal autosomal recessive inheritance. Although the main function of cartilage is mechanical support and the characteristics of this disease is the degradation of AC, previous studies on it had been mainly focused on clinical and genetic aspects and the mechanical behavior of the cartilage affected by PPRD is still ambiguous. In this study, we investigate the mechanics and structure of the cartilage suffered disease at multi-scale, from individual chondrocytes to the bulk-scale tissue. METHODS Depth-sensing indenter were employed to investigate the mechanics of cartilage; we performed atomic force microscope nanoindentation to investigate the cell mechanics and scanning electron microscopy were used to explore the structure feature and chemical composition. FINDINGS The elastic modulus of chondrocytes harvested from cartilage suffered from progressive pseudorheumatoid dysplasia is significantly higher than from normal cartilage, same trend were also found in tissue level. Moreover, denser collagen meshwork and matrix calcification were also observed. INTERPRETATION The elastic modulus of cartilage should closely related to its denser structure and the calcification, and may potentially be an indicator for clinical diagnosis. The stiffening of chondrocytes during PPRD progression should play a rather important role in its pathogenesis.
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Affiliation(s)
- L J Lin
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Y M Ge
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Y Tian
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - N Liu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - X H Luo
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Y T Xue
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Y Z B Xue
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - C Y Wen
- Interdisciplinary Division of Biomedical Engineering, Hong Kong Polytechnic University, HKUSAR, China
| | - B Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China; Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China.
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23
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Travessa AM, Díaz-González F, Mirco T, Oliveira-Ramos F, Parrón-Pajares M, Heath KE, Sousa AB. Spondyloepiphyseal dysplasia type Stanescu: Expanding the clinical and molecular spectrum of a very rare type II collagenopathy. Am J Med Genet A 2020; 182:2715-2721. [PMID: 32856782 DOI: 10.1002/ajmg.a.61817] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/01/2020] [Accepted: 07/18/2020] [Indexed: 12/25/2022]
Abstract
Spondyloepiphyseal dysplasia type Stanescu (SED-S) is a very rare type II collagenopathy. We describe an 8-year-old boy who presented with short trunk, C2-C3 vertebral fusion, hand, foot, leg and thigh pain, stiffness and limited joint mobility, and waddling gait. Radiographs showed platyspondyly with anterior wedging and endplate irregularities, broad femoral necks, and large epiphyses and epiphyseal equivalents. Differential diagnosis included progressive pseudorheumatoid dysplasia and SED-S. A skeletal dysplasia custom-designed NGS panel was performed and the heterozygous pathogenic variant c.620G>A; p.(Gly207Glu) in COL2A1 was detected, establishing the diagnosis of SED-S. Vertebral fusions, observed in our patient, have not been previously described in this dysplasia. This variant has not been previously associated with SED-S, but was reported in two other families with spondyloepiphyseal dysplasia. Thus, this case expands the clinical and mutational spectrum of SED-S and demonstrates that SED-S significantly overlaps with other skeletal dysplasias.
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Affiliation(s)
- André M Travessa
- Department of Medical Genetics, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Medicina de Lisboa, Lisbon, Portugal.,Institute of Histology and Developmental Biology, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Francisca Díaz-González
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario La Paz, Universidad Autonóma de Madrid (UAM), and CIBERER, ISCIII, Madrid, Spain.,Skeletal Dysplasia Multidisciplinary Unit (UMDE), Hospital Universitario La Paz, UAM, Madrid, Spain
| | - Teresa Mirco
- Department of Physical Therapy and Rehabilitation, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Medicina de Lisboa, Lisbon, Portugal
| | - Filipa Oliveira-Ramos
- Department of Rheumatology, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Medicina de Lisboa, Lisbon, Portugal
| | - Manuel Parrón-Pajares
- Skeletal Dysplasia Multidisciplinary Unit (UMDE), Hospital Universitario La Paz, UAM, Madrid, Spain.,Department of Radiology, Hospital Universitario La Paz, UAM, Madrid, Spain
| | - Karen E Heath
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario La Paz, Universidad Autonóma de Madrid (UAM), and CIBERER, ISCIII, Madrid, Spain.,Skeletal Dysplasia Multidisciplinary Unit (UMDE), Hospital Universitario La Paz, UAM, Madrid, Spain
| | - Ana Berta Sousa
- Department of Medical Genetics, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Medicina de Lisboa, Lisbon, Portugal.,Laboratory of Basic Immunology, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
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24
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Curi RA, Pereira GL, Alvarez MVN, Baldassini WA, Machado Neto OR, Chardulo LAL. Exome analysis and functional classification of identified variants in racing Quarter Horses. Anim Genet 2020; 51:716-721. [PMID: 32696541 DOI: 10.1111/age.12976] [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: 03/25/2020] [Revised: 04/27/2020] [Accepted: 06/15/2020] [Indexed: 11/26/2022]
Abstract
The main objectives of this study were to identify and functionally classify SNPs and indels by exome sequencing of animals of the racing line of Quarter Horses. Based on the individual genomic estimated breeding values (GEBVs) for maximum speed index (SImax) obtained for 349 animals, two groups of 20 extreme animals were formed. Of these individuals, 20 animals with high GEBVs for SImax and 19 with low GEBVs for SImax had their exons and 5' and 3' UTRs sequenced. Considering SNPs and indels, 105 182 variants were identified in the expressed regions of the Quarter Horse genome. Of these, 72 166 variants were already known and 33 016 are new variants and were deposited in a database. The analysis of the set of gene variants significantly related (Padjusted < 0.05) to extreme animals in conjunction with the predicted impact of the changes and the physiological role of protein product pointed to two candidate genes potentially related to racing performance: SLC3A1 on ECA15 and CCN6 on ECA10.
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Affiliation(s)
- R A Curi
- Department of Animal Breeding and Nutrition, College of Veterinary and Animal Science, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
| | - G L Pereira
- Department of Animal Breeding and Nutrition, College of Veterinary and Animal Science, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
| | - M V N Alvarez
- Department of Parasitology, Institute of Biosciences, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
| | - W A Baldassini
- Department of Animal Breeding and Nutrition, College of Veterinary and Animal Science, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
| | - O R Machado Neto
- Department of Animal Breeding and Nutrition, College of Veterinary and Animal Science, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
| | - L A L Chardulo
- Department of Animal Breeding and Nutrition, College of Veterinary and Animal Science, São Paulo State University, Rubião Junior District, Botucatu, São Paulo, 18618-970, Brazil
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25
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Padhan DK, Sengupta A, Patra M, Ganguly A, Mahata SK, Sen M. CCN6 regulates mitochondrial respiratory complex assembly and activity. FASEB J 2020; 34:12163-12176. [PMID: 32686858 DOI: 10.1096/fj.202000405rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 12/29/2022]
Abstract
Cellular communication network factor 6 (CCN6) mutations are linked with Progressive Pseudo Rheumatoid Dysplasia (PPRD) a debilitating musculoskeletal disorder. The function of CCN6 and the mechanism of PPRD pathogenesis remain unclear. Accordingly, we focused on the functional characterization of CCN6 and CCN6 mutants. Using size exclusion chromatography and native polyacrylamide gel electrophoresis we demonstrated that CCN6 is present as a component of the mitochondrial respiratory complex in human chondrocyte lines. By means of siRNA-mediated transfection and electron microscopy we showed that moderate reduction in CCN6 expression decreases the RER- mitochondria inter-membrane distance. Parallel native PAGE, immunoblotting and Complex I activity assays furthermore revealed increase in both mitochondrial distribution of CCN6 and mitochondrial respiratory complex assembly/activity in CCN6 depleted cells. CCN6 mutants resembling those linked with PPRD, which were generated by CRISPR-Cas9 technology displayed low level of expression of mutant CCN6 protein and inhibited respiratory complex assembly/activity. Electron microscopy and MTT assay of the mutants revealed abnormal mitochondria and poor cell viability. Taken together, our results indicate that CCN6 regulates mitochondrial respiratory complex assembly/activity as part of the mitochondrial respiratory complex by controlling the proximity of RER with the mitochondria, and CCN6 mutations disrupt mitochondrial respiratory complex assembly/activity resulting in mitochondrial defects and poor cell viability.
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Affiliation(s)
- Deepesh Kumar Padhan
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Archya Sengupta
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Milan Patra
- Hadassah Medical School, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ananya Ganguly
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Sushil Kumar Mahata
- VA San Diego Healthcare System, University of California, San Diego, CA, USA
| | - Malini Sen
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Wang Y, Xiao K, Yang Y, Wu Z, Jin J, Qiu G, Weng X, Zhao X. CCN6 mutation detection in Chinese patients with progressive pseudo-rheumatoid dysplasia and identification of four novel mutations. Mol Genet Genomic Med 2020; 8:e1261. [PMID: 32351055 PMCID: PMC7336755 DOI: 10.1002/mgg3.1261] [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] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/20/2020] [Accepted: 03/27/2020] [Indexed: 02/05/2023] Open
Abstract
Background No formal diagnostic criteria for progressive pseudo‐rheumatoid dysplasia (PPD) are available because of insufficient clinical data, which results in that PPD is often misdiagnosed with other diseases. Whole exome sequencing (WES) and Sanger sequencing were employed to reveal the novel mutations on CCN6 of five patients with PPD from China in order to increase the clinical data of PPD. Methods Four suspected PPD pedigrees containing five patients in total were collected from 1998 to 2018 in our medical center. The phenotypes of each suspected PPD case were recorded in detail, and peripheral blood samples were collected for subsequent sequencing. Genomic DNA was extracted from peripheral blood samples, and Agilent liquid phase chip capture system was utilized for efficient enrichment of whole exome region DNA. After acquiring raw sequenced reads of whole exome region, bioinformatics analysis was completed in conjunction with reference or genome sequence (GRCh37/hg19). Sanger sequencing was performed to identify the results of WES. Results In total, four novel PPD‐related mutation sites in CCN6 gene were identified including (CCN6):c.643 + 2T>C, (CCN6):c.1064_1065dupGT(p.Gln356ValfsTer33), (CCN6):c.1064G > A), and exon4:c.670dupA:p.W223fs. Conclusion Our findings increase the clinical data of PPD including the CCN6 mutation spectrum, the clinical symptoms and signs. Moreover, the study highlights the utility of WES in reaching definitive diagnoses for PPD.
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Affiliation(s)
- Yingjie Wang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Ke Xiao
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yuemei Yang
- Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Zhihong Wu
- Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Jin Jin
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Guixing Qiu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Xisheng Weng
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Xiuli Zhao
- Department of Medical Genetics, School of Basic Medicine, Peking Union Medical College, Beijing, China
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Rolvien T, Yorgan TA, Kornak U, Hermans-Borgmeyer I, Mundlos S, Schmidt T, Niemeier A, Schinke T, Amling M, Oheim R. Skeletal deterioration in COL2A1-related spondyloepiphyseal dysplasia occurs prior to osteoarthritis. Osteoarthritis Cartilage 2020; 28:334-343. [PMID: 31958497 DOI: 10.1016/j.joca.2019.12.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 11/05/2019] [Accepted: 12/31/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Spondyloepiphyseal dysplasia, a combination of progressive arthropathy with variable signs of skeletal dysplasia, can be a result of mutations in the collagen, type II, alpha 1 (COL2A1) gene. However, the bone involvement (e.g., density, microstructure) in this disorder has hitherto not been studied. DESIGN A 50-year-old female patient and her 8-year-old son with flattening of vertebral bodies and early-onset osteoarthritis were genetically tested using a custom designed gene bone panel including 386 genes. Bone microstructure and turnover were assessed using high-resolution peripheral quantitative computed tomography (HR-pQCT) and serum bone turnover markers, respectively. Furthermore, the bone and cartilage phenotype of male mice heterozygous for the loss-of-function mutation of Col2a1 (Col2a1+/d) was analyzed compared to wildtype littermates using μ-CT and histomorphometry. RESULTS We identified a dominant COL2A1 mutation (c.620G > A p.(Gly207Glu)) indicating spondyloepiphyseal dysplasia in the female patient and her son, both being severely affected by skeletal deterioration. Although there was no osteoarthritis detectable at first visit, the son was affected by trabecular osteopenia, which progressed over time. In an iliac crest biopsy obtained from the mother, osteoclast indices were remarkably increased. Col2a1+/d mice developed a moderate skeletal phenotype expressed by reduced cortical and trabecular parameters at 4 weeks. Importantly, no articular defects could be observed in the knee joints at 4 weeks, while osteoarthritis was only detectable in 12-week-old mice. CONCLUSIONS Our results indicate that collagen type II deficiency in spondyloepiphyseal dysplasia leads to skeletal deterioration with early-onset in humans and mice that occurs prior to the development of osteoarthritis.
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Affiliation(s)
- T Rolvien
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany; Department of Orthopedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - T A Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany
| | - U Kornak
- Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin-Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany; Max Planck Institute for Molecular Genetics, FG Development and Disease, Berlin, Germany
| | - I Hermans-Borgmeyer
- Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - S Mundlos
- Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin-Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany; Max Planck Institute for Molecular Genetics, FG Development and Disease, Berlin, Germany
| | - T Schmidt
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany
| | - A Niemeier
- Department of Orthopedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - T Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany
| | - M Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany
| | - R Oheim
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestr. 59, 22529, Hamburg, Germany
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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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Pomeranz CB, Reid JR. Progressive pseudorheumatoid dysplasia: a report of three cases and a review of radiographic and magnetic resonance imaging findings. Skeletal Radiol 2019; 48:1323-1328. [PMID: 30712121 DOI: 10.1007/s00256-019-3165-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 01/11/2019] [Accepted: 01/16/2019] [Indexed: 02/02/2023]
Abstract
Progressive pseudorheumatoid dysplasia (PPD) is a rare disorder of postnatal skeletal and cartilage development that often presents with similar clinical findings to juvenile idiopathic arthritis. Patients with PPD display findings of progressive cartilage loss and secondary osteoarthritis over serial imaging studies and have an absence of elevation of inflammatory markers. Awareness of the imaging features of PPD on radiographs and magnetic resonance imaging (MRI) may be important for early diagnosis and surveillance of the disease.
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Affiliation(s)
- Christy B Pomeranz
- Department of Radiology, New York-Presbyterian Hospital/Weill Cornell Medicine, 525 E. 68th St., F631E, New York, NY, 10065, USA.
| | - Janet R Reid
- Department of Radiology, The Children's Hospital of Philadelphia, 34th Street & Civic Center Boulevard, Philadelphia, PA, 19104, USA
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Progressive Pseudorheumatoid Dysplasia resolved by whole exome sequencing: a novel mutation in WISP3 and review of the literature. BMC MEDICAL GENETICS 2019; 20:53. [PMID: 30922245 PMCID: PMC6439983 DOI: 10.1186/s12881-019-0787-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 03/18/2019] [Indexed: 12/23/2022]
Abstract
Background Progressive pseudorheumatoid dysplasia (PPRD) is a rare autosomal-recessive, non-inflammatory arthropathy, shown to be caused by mutations in the WNT1-inducible signaling pathway protein 3 (WISP3) gene. Although several hundred cases were reported worldwide, the diagnosis remains challenging. Subsequently, the syndrome is often unrecognized and misdiagnosed (for instance, as Juvenile Idiopathic Arthritis), leading to unnecessary procedures and treatments. The objective of the current study was to identify the molecular basis in a family with PPRD and describe their phenotype and course of illness. Patients and methods We present here a multiply affected consanguineous family of Iraqi-Jewish descent with PPRD. The proband, a 6.5 years old girl, presented with bilateral symmetric bony enlargements of the 1st interphalangeal joints of the hands, without signs of synovitis. Molecular analysis of the family was pursued using Whole Exome Sequencing (WES) and homozygosity mapping. Results WES analysis brought to the identification of a novel homozygous missense mutation (c.257G > T, p.C86F) in the WISP3 gene. Following this diagnosis, an additional 53 years old affected family member was found to harbor the mutation. Two other individuals in the family were reported to have had similar involvement however both had died of unrelated causes. Conclusion The reported family underscores the importance of recognition of this unique skeletal dysplasia by clinicians, and especially by pediatric rheumatologists and orthopedic surgeons. Electronic supplementary material The online version of this article (10.1186/s12881-019-0787-x) contains supplementary material, which is available to authorized users.
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Li Y, Zeng Y, Chen Z, Xin H, Li X. Progressive pseudorheumatoid dysplasia confirmed by whole-exon sequencing in a Chinese adult before corrective surgery. J Orthop Surg Res 2019; 14:16. [PMID: 30635069 PMCID: PMC6330477 DOI: 10.1186/s13018-019-1061-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 01/03/2019] [Indexed: 11/30/2022] Open
Abstract
Background Progressive pseudorheumatoid dysplasia (PPD) is a rare autosomal recessive skeletal dysplasia caused by mutations in the Wnt1-inducible signaling pathway protein 3 (WISP3) gene. Available literatures in PPD emphasized treatment strategy for polyarthritis, while few mentioned spinal deformity and related surgical intervention. Methods Here, we present a Chinese man with PPD who underwent spinal surgery twice because of canal stenosis and related symptoms caused by the disease. Whole-exon sequencing (WES) was performed to confirm diagnosis before the second surgery. Results A homozygous missense mutation (c.395G>A/p.C132Y) in WISP3 was identified that co-segregated with affected family members. Conclusions Our study illustrated a surgical outcome of PPD and highlighted the significance of early diagnosis and individualized surgical strategy, and also verified the value of WES in the diagnosis of PPD.
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Affiliation(s)
- Yan Li
- Department for Orthopedics, Peking University Third Hospital, Huayuanbei Rd 49#, Beijing, 100191, China
| | - Yan Zeng
- Department for Orthopedics, Peking University Third Hospital, Huayuanbei Rd 49#, Beijing, 100191, China.
| | - Zhongqiang Chen
- Department for Orthopedics, Peking University Third Hospital, Huayuanbei Rd 49#, Beijing, 100191, China
| | - Haisong Xin
- Department for Orthopedics, People's Hospital of Huanghua, Cangzhou, Hebei, China
| | - Xiaoliang Li
- Department for Orthopedics, People's Hospital of Huanghua, Cangzhou, Hebei, China
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Gaboon NEA, Parveen A, El Beheiry A, Al-Aama JY, Alsaedi MS, Wasif N. A Novel Homozygous Frameshift Mutation in CCN6 Causing Progressive Pseudorheumatoid Dysplasia (PPRD) in a Consanguineous Yemeni Family. Front Pediatr 2019; 7:245. [PMID: 31294002 PMCID: PMC6604515 DOI: 10.3389/fped.2019.00245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 05/29/2019] [Indexed: 01/19/2023] Open
Abstract
Background: Progressive pseudorheumatoid dysplasia (PPRD) inherited in an autosomal recessive fashion, is a disabling disease, characterized by platyspondyly, irregularities of the vertebral bodies, narrowing of the intervertebral discs and intraarticular spaces, widening of the epiphysis-metaphysis, polyarthralgia, multiple joint contractures, and disproportionate short stature. A number of studies have been performed on this deformity in various populations around the globe, including the Arab population. Mutations in CCN6, located on 6q22, are reported to cause this anomaly. Case Presentation: The present study describes the investigation of a consanguineous family of Yemeni origin. Clinical examination of the patient revealed short stature with progressive skeletal abnormalities, stiffness and enlargement of small joints of the hands along with restriction of movements of proximal interphalangeal (PIP) and distal interphalangeal (DIP) joints with weakness and gait disturbance. Sanger sequencing revealed a novel homozygous frameshift deletion mutation (c.746delT; p.Val249Glyfs*10) in CCN6 which may lead to NMD (Nonsense mediated decay). This mutation expands the spectrum of pathogenic variants in CCN6 causing PPRD.
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Affiliation(s)
- Nagwa E A Gaboon
- Medical Genetics Center, Faculty of Medicine, AinShams University, Cairo, Egypt
| | - Asia Parveen
- Institute of Molecular Biology and Biotechnology, Center for Research in Molecular Medicine, The University of Lahore, Lahore, Pakistan.,Faculty of Life Sciences, University of Central Punjab (UCP), Lahore, Pakistan
| | - Ahmed El Beheiry
- Department of Radiodiagnosis and Interventional Radiology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Jumana Y Al-Aama
- Department of Genetic Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.,Princess Al-Jawhara Albrahim Center of Excellence in Research of Hereditary Disorders, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mosab S Alsaedi
- Department of Genetic Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Naveed Wasif
- Institute of Molecular Biology and Biotechnology, Center for Research in Molecular Medicine, The University of Lahore, Lahore, Pakistan.,Institute of Human Genetics, University of Ulm, Ulm, Germany.,Institute of Human Genetics, University Hospital Schleswig-Holstein, Kiel, Germany
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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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Wei JL, Fu W, Hettinghouse A, He WJ, Lipson KE, Liu CJ. Role of ADAMTS-12 in Protecting Against Inflammatory Arthritis in Mice By Interacting With and Inactivating Proinflammatory Connective Tissue Growth Factor. Arthritis Rheumatol 2018; 70:1745-1756. [PMID: 29750395 DOI: 10.1002/art.40552] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 05/03/2018] [Indexed: 12/19/2022]
Abstract
OBJECTIVE It has been reported that ADAMTS-12 is a susceptibility gene for rheumatoid arthritis (RA) development, and its level is significantly increased in RA patients. In addition, ADAMTS-12 is reported to be required for inflammation in otherwise healthy subjects. This study was undertaken to determine the role of ADAMTS-12 and the underlying mechanisms in the pathogenesis of inflammatory arthritis. METHODS The collagen-induced arthritis (CIA) model was established in ADAMTS-12-deficient mice and their control littermates to determine the role of ADAMTS-12 in vivo. Micro-computed tomography scanning was used to demonstrate the destruction of the ankle joint; histologic analysis illustrated synovitis, pannus formation, and bone and cartilage destruction; enzyme-linked immunosorbent assay was performed to measure serum levels of inflammatory cytokines; and protein-protein interaction assays were performed to detect the interactions of ADAMTS-12 and its various deletion mutants with connective tissue growth factor (CTGF). RESULTS Deficiency of ADAMTS-12 led to accelerated inflammatory arthritis in the CIA mouse model. Loss of ADAMTS-12 caused enhanced osteoclastogenesis. In vitro and in vivo protein-protein interaction assays demonstrated that ADAMTS-12 bound and processed CTGF, a previously unrecognized substrate of ADAMTS-12. In addition, deletion of ADAMTS-12 enhanced, while overexpression of ADMATS-12 reduced, CTGF-mediated inflammation. Furthermore, ADAMTS-12 regulation of inflammation was largely lost in CTGF-deficient macrophages. Importantly, blocking of CTGF attenuated elevated inflammatory arthritis seen in the ADAMTS-12-deficient CIA mouse model. CONCLUSION This study provides evidence that ADAMTS-12 is a critical regulator of inflammatory arthritis and that this is mediated, at least in part, through control of CTGF turnover.
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Affiliation(s)
- Jian-Lu Wei
- New York University Medical Center, New York, New York, and Shandong University Qilu Hospital, Jinan, China
| | - Wenyu Fu
- New York University Medical Center, New York, New York
| | | | - Wen-Jun He
- New York University Medical Center, New York, New York
| | | | - Chuan-Ju Liu
- New York University Medical Center and New York University School of Medicine, New York, New York
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Chen W, Mo S, Luo G, Wang Y, Deng X, Zhu J, Zhao W. Progressive pseudorheumatoid dysplasia with new-found gene mutation of Wntl inducible signaling pathway protein 3. Pediatr Rheumatol Online J 2018; 16:55. [PMID: 30200995 PMCID: PMC6131911 DOI: 10.1186/s12969-018-0272-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 08/29/2018] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND As one kind of osteochondrodysplasia, progressive pseudorheumatoid dysplasia (PPD) is also known as spondyloepiphyseal dysplasia tarda with progressive arthropathy or arthropathy progressive pseudorheumatoid of childhood. PPD is a very rare disease, especially in China, and has an estimated prevalence of 1/1000000 due to lacking definite prevalence survey. It is an autosomal recessive disorder caused by gene mutation of Wntl inducible signaling pathway protein 3 (WISP3). Its basic pathological change is persistent degeneration and loss of articular cartilage in multiple joints. Its clinical appearances include bone enlargement, platyspondyly, irregular endplate, secondary osteoarthritis, extensive osteoporosis, joint rigidity and function loss. Clinical diagnosis of PPD is made based on clinical appearance and imaging examinations, whereas its definite diagnosis depends on gene sequencing. PPD has no severe effect on life span, but causes high disability rate and very poor prognosis. There are only case reports with limited information in China. CASE PRESENTATION One female patient was diagnosed as PPD and secondary osteoarthritis. She had typical clinical appearance and imaging examinations, and received individualized therapeutic regimens. She had a gene mutation (c.72delT, p.T24TfsX4) of WISP3. This gene mutation has not been reported by previous literatures and included in Single Nucleotide Polymorphism Database. CONCLUSIONS As the first time, this paper reported a patient with PPD caused by new-found gene mutation (c.72delT, p.T24TfsX4) of WISP3.
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Affiliation(s)
- Wenji Chen
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Shiyan Mo
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Gui Luo
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Yanyan Wang
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Xiaohu Deng
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Jian Zhu
- Department of Rheumatology, Hainan Branch of Chinese People’s Liberation Army General Hospital, Haitang Bay, Sanya, China
| | - Wei Zhao
- Department of Rheumatology, Hainan Branch of Chinese People's Liberation Army General Hospital, Haitang Bay, Sanya, China.
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Schneider M, Al-Shareffi E, Haltiwanger RS. Biological functions of fucose in mammals. Glycobiology 2018; 27:601-618. [PMID: 28430973 DOI: 10.1093/glycob/cwx034] [Citation(s) in RCA: 241] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 04/13/2017] [Indexed: 12/13/2022] Open
Abstract
Fucose is a 6-deoxy hexose in the l-configuration found in a large variety of different organisms. In mammals, fucose is incorporated into N-glycans, O-glycans and glycolipids by 13 fucosyltransferases, all of which utilize the nucleotide-charged form, GDP-fucose, to modify targets. Three of the fucosyltransferases, FUT8, FUT12/POFUT1 and FUT13/POFUT2, are essential for proper development in mice. Fucose modifications have also been implicated in many other biological functions including immunity and cancer. Congenital mutations of a Golgi apparatus localized GDP-fucose transporter causes leukocyte adhesion deficiency type II, which results in severe developmental and immune deficiencies, highlighting the important role fucose plays in these processes. Additionally, changes in levels of fucosylated proteins have proven as useful tools for determining cancer diagnosis and prognosis. Chemically modified fucose analogs can be used to alter many of these fucose dependent processes or as tools to better understand them. In this review, we summarize the known roles of fucose in mammalian physiology and pathophysiology. Additionally, we discuss recent therapeutic advances for cancer and other diseases that are a direct result of our improved understanding of the role that fucose plays in these systems.
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Affiliation(s)
- Michael Schneider
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794, USA
| | - Esam Al-Shareffi
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794, USA.,Department of Psychiatry, Georgetown University Hospital, Washington, DC 20007, USA
| | - Robert S Haltiwanger
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794, USA.,Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA
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Zhang J, Yan M, Zhang Y, Yang H, Sun Y. Association analysis on polymorphisms in WISP3 gene and developmental dysplasia of the hip in Han Chinese population: A case-control study. Gene 2018; 664:192-195. [PMID: 29680248 DOI: 10.1016/j.gene.2018.04.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/15/2018] [Accepted: 04/09/2018] [Indexed: 12/17/2022]
Abstract
Developmental dysplasia of the hip (DDH) is a common skeletal disorder whereby genetic factors play a role in etiology. Multiple genes have been reported to be associated with the occurrence of DDH. WISP3 gene was found to be a causative gene for progressive pseudorheumatoid dysplasia (PPD). Reports of WISP3 gene in association with DDH are lacking. We conducted a case-control candidate gene association study enrolling three hundred and eighty-six patients with radiology confirmed DDH and 558 healthy controls. Additional haplotype-analysis was conducted to find the significant haplotype for DDH. Five SNPs rs69306665 (upstream of WISP3), rs1022313 (WISP3), rs1230345 (WISP3), rs17073268 (WISP3) and rs10456877 (downstream of WISP3) were identified for association with DDH, showing significant difference of allele frequencies with similar odds ratio ranging from 0.71 to 0.77 (p < 0.01) between cases and controls. Two haplotypes were identified between cases and controls through haplotype analysis: AAAAA with an odds ratio of 0.76 (95% CI: 0.60-0.98, p = 0.032299) and GGCGG with an odds ratio of 1.67 (95% CI: 1.37-2.04, p = 3.67 ∗ 10-7). The results suggested WISP3 gene was associated with DDH in Chinese Han population. GGCGG haplotype might be a biomarker for DDH.
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Affiliation(s)
- Junxin Zhang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, P.R. China; Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Moqi Yan
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Yijian Zhang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Ye Sun
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, P.R. China.
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Abstract
The extracellular matrix (ECM) has central roles in tissue integrity and remodeling throughout the life span of animals. While collagens are the most abundant structural components of ECM in most tissues, tissue-specific molecular complexity is contributed by ECM glycoproteins. The matricellular glycoproteins are categorized primarily according to functional criteria and represented predominantly by the thrombospondin, tenascin, SPARC/osteonectin, and CCN families. These proteins do not self-assemble into ECM fibrils; nevertheless, they shape ECM properties through interactions with structural ECM proteins, growth factors, and cells. Matricellular proteins also promote cell migration or morphological changes through adhesion-modulating or counter-adhesive actions on cell-ECM adhesions, intracellular signaling, and the actin cytoskeleton. Typically, matricellular proteins are most highly expressed during embryonic development. In adult tissues, expression is more limited unless activated by cues for dynamic tissue remodeling and cell motility, such as occur during inflammatory response and wound repair. Many insights in the complex roles of matricellular proteins have been obtained from studies of gene knockout mice. However, with the exception of chordate-specific tenascins, these are highly conserved proteins that are encoded in many animal phyla. This review will consider the increasing body of research on matricellular proteins in nonmammalian animal models. These models provide better access to the very earliest stages of embryonic development and opportunities to study biological processes such as limb and organ regeneration. In aggregate, this research is expanding concepts of the functions and mechanisms of action of matricellular proteins.
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Affiliation(s)
- Josephine C Adams
- School of Biochemistry, University of Bristol, Bristol, United Kingdom.
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Wang N, Wang R, Wang R, Chen S. Transcriptomics analysis revealing candidate networks and genes for the body size sexual dimorphism of Chinese tongue sole (Cynoglossus semilaevis). Funct Integr Genomics 2018. [DOI: 10.1007/s10142-018-0595-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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40
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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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Alawbathani S, Kawalia A, Karakaya M, Altmüller J, Nürnberg P, Cirak S. Late diagnosis of a truncating WISP3 mutation entails a severe phenotype of progressive pseudorheumatoid dysplasia. Cold Spring Harb Mol Case Stud 2018; 4:a002139. [PMID: 29258992 PMCID: PMC5793772 DOI: 10.1101/mcs.a002139] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Accepted: 11/20/2017] [Indexed: 11/25/2022] Open
Abstract
Rare diseases are often misdiagnosed or receive a delayed diagnosis; thus, unfortunately, affected individuals may not receive optimal medical management. Here, we report a case of two siblings with a severe phenotype of progressive pseudorheumatoid dysplasia (PPD). Their onset of symptoms began at the age of 3 yr. Both were neglected in the past, and the patients presented with a very severe phenotype and unmitigated natural history. PPD is a rare autosomal recessive skeletal dysplasia characterized by progressive joint stiffness, swelling, and pain. Because of observed muscle wasting, weakness, and the lack of laboratory testing, the case had been initially misdiagnosed by the local physicians. We aimed to provide diagnostic support by a targeted next-generation sequencing gene panel (Illumina TruSight One) for Mendelian diseases (Mendeliome), and we identified a homozygous frameshift mutation in the gene WISP3 (c.868_869delAG, p.Ser290Leufs*12). Thus, early diagnosis and intervention may have decreased the severity and complication of the disease.
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Affiliation(s)
- Salem Alawbathani
- Cologne Center for Genomics (CCG), 50931 Cologne, Germany
- Institute of Biochemistry I, University of Cologne, 50931 Cologne, Germany
| | - Amit Kawalia
- Cologne Center for Genomics (CCG), 50931 Cologne, Germany
| | - Mert Karakaya
- Center for Molecular Medicine Cologne (CMMC), 50931 Cologne, Germany
- University Children's Hospital of Cologne, 50931 Cologne, Germany
| | | | - Peter Nürnberg
- Cologne Center for Genomics (CCG), 50931 Cologne, Germany
| | - Sebahattin Cirak
- Center for Molecular Medicine Cologne (CMMC), 50931 Cologne, Germany
- University Children's Hospital of Cologne, 50931 Cologne, Germany
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42
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Matricellular CCN6 (WISP3) protein: a tumor suppressor for mammary metaplastic carcinomas. J Cell Commun Signal 2018; 12:13-19. [PMID: 29357008 DOI: 10.1007/s12079-018-0451-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 01/10/2018] [Indexed: 02/07/2023] Open
Abstract
Located at 6q22-23, Ccn6 (WISP3) encodes for a matrix-associated protein of the CCN family, characterized by regulatory, rather than structural, roles in development and cancer. CCN6, the least studied member of the CCN family, shares the conserved multimodular structure of CCN proteins, as well as their tissue and cell-type specific functions. In the breast, CCN6 is a critical regulator of epithelial-to-mesenchymal transitions (EMT) and tumor initiating cells. Studies using human breast cancer tissue samples demonstrated that CCN6 messenger RNA and protein are expressed in normal breast epithelia but reduced or lost in aggressive breast cancer phenotypes, especially inflammatory breast cancer and metaplastic carcinomas. Metaplastic carcinomas are mesenchymal-like triple negative breast carcinomas, enriched for markers of EMT and stemness. RNAseq analyses of the TCGA Breast Cancer cohort show reduced CCN6 expression in approximately 50% of metaplastic carcinomas compared to normal breast. Our group identified frameshift mutations of Ccn6 in a subset of human metaplastic breast carcinoma. Importantly, conditional, mammary epithelial-cell specific ccn6 (wisp3) knockout mice develop invasive high-grade mammary carcinomas that recapitulate human spindle cell metaplastic carcinomas, demonstrating a tumor suppressor function for ccn6. Our studies on CCN6 functions in metaplastic carcinoma highlight the potential of CCN6 as a novel therapeutic approach for this specific type of breast cancer.
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43
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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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44
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Chouery E, Corbani S, Dahmen J, Zouari L, Gribaa M, Leban N, Ben Chibani J, Lefranc G, Saad A, Haj Khelil A, Urtizberea A, Mégarbané A. Progressive pseudorheumatoid dysplasia in North and West Africa: Clinical description in ten patients with mutations of WISP3. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2017. [DOI: 10.1016/j.ejmhg.2016.11.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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45
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Design and Analysis of CCN Gene Activity Using CCN Knockout Mice Containing LacZ Reporters. Methods Mol Biol 2017; 1489:325-345. [PMID: 27734387 DOI: 10.1007/978-1-4939-6430-7_28] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Two developments have greatly facilitated the construction of CCN mutant mouse strains. The first is the availability of modified embryonic stem (ES) cells and mice developed through several large-scale government-sponsored research programs. The second is the advent of CRISPR/Cas9 technology. In this chapter, we describe the available mouse strains generated by gene targeting techniques and the CCN targeting vectors and genetically modified ES cells that are available for the generation of CCN mutant mice. Many of these mutant mouse lines and ES cells carry a β-galactosidase reporter that can be used to track CCN expression, facilitating phenotypic analysis and revealing new sites of CCN action. Therefore, we also describe a method for β-galactosidase staining.
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46
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Yan W, Dai J, Xu Z, Shi D, Chen D, Xu X, Song K, Yao Y, Li L, Ikegawa S, Teng H, Jiang Q. Novel WISP3 mutations causing progressive pseudorheumatoid dysplasia in two Chinese families. Hum Genome Var 2016; 3:16041. [PMID: 28018607 PMCID: PMC5143363 DOI: 10.1038/hgv.2016.41] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 09/30/2016] [Accepted: 09/30/2016] [Indexed: 02/06/2023] Open
Abstract
Progressive pseudorheumatoid dysplasia (PPD) is a rare disease caused by mutations in the gene for Wnt1-inducible signaling pathway protein 3 (WISP3). Here, we report the clinical and radiographic manifestations of two Chinese PPD patients. We performed whole-exome sequencing for one patient and sequenced the WISP3 for the other. Three WISP3 mutations (c.396T>G, c.721T>G and c.679dup) were identified; the two missense mutations were novel. Our study expanded the WISP3 mutation spectrum.
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Affiliation(s)
- Wenjin Yan
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Jin Dai
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Zhihong Xu
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Dongquan Shi
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Dongyang Chen
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Xingquan Xu
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Kai Song
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Yao Yao
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Lan Li
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
| | - Shiro Ikegawa
- Laboratory for Bone and Joint Diseases, Center for Integrative Medical Sciences, Tokyo, Japan
| | - Huajian Teng
- Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Jiangsu, China
| | - Qing Jiang
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Jiangsu, China
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MMTV-cre;Ccn6 knockout mice develop tumors recapitulating human metaplastic breast carcinomas. Oncogene 2016; 36:2275-2285. [PMID: 27819674 PMCID: PMC5398917 DOI: 10.1038/onc.2016.381] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 08/29/2016] [Accepted: 09/04/2016] [Indexed: 02/07/2023]
Abstract
Metaplastic breast carcinoma is an aggressive form of invasive breast cancer with histological evidence of epithelial to mesenchymal transition (EMT). However, the defining molecular events are unknown. Here we show that CCN6 (WISP3), a secreted matricellular protein of the CCN (CYR61/CTGF/NOV) family, is significantly down regulated in clinical samples of human spindle cell metaplastic breast carcinoma. We generated a mouse model of mammary epithelial-specific Ccn6 deletion by developing a floxed Ccn6 mouse which was bred with an MMTV-Cre mouse. Ccn6fl/fl; MMTV-Cre mice displayed severe defects in ductal branching and abnormal age-related involution compared to littermate controls. Ccn6fl/fl ;MMTV-Cre mice developed invasive high grade mammary carcinomas with bona fide EMT, histologically similar to human metaplastic breast carcinomas. Global gene expression profiling of Ccn6fl/fl mammary carcinomas and comparison of orthologous genes with a human metaplastic carcinoma signature revealed a significant overlap of 87 genes (p=5×10−11). Among the shared deregulated genes between mouse and human are important regulators of epithelial morphogenesis including Cdh1, Ck19, Cldn3 and 4, Ddr1, and Wnt10a. These results document a causal role for Ccn6 deletion in the pathogenesis of metaplastic carcinomas with histological and molecular similarities with human disease. We provide a platform to study new targets in the diagnosis and treatment of human metaplastic carcinomas, and a new disease relevant model in which to test new treatment strategies.
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48
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Wang Z, Tran MC, Bhatia NJ, Hsing AW, Chen C, LaRussa MF, Fattakhov E, Rashidi V, Jang KY, Choo KJ, Nie X, Mathy JA, Longaker MT, Dauskardt RH, Helms JA, Yang GP. Del1 Knockout Mice Developed More Severe Osteoarthritis Associated with Increased Susceptibility of Chondrocytes to Apoptosis. PLoS One 2016; 11:e0160684. [PMID: 27505251 PMCID: PMC4978450 DOI: 10.1371/journal.pone.0160684] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 07/24/2016] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE We identified significant expression of the matricellular protein, DEL1, in hypertrophic and mature cartilage during development. We hypothesized that this tissue-specific expression indicated a biological role for DEL1 in cartilage biology. METHODS Del1 KO and WT mice had cartilage thickness evaluated by histomorphometry. Additional mice underwent medial meniscectomy to induce osteoarthritis, and were assayed at 1 week for apoptosis by TUNEL staining and at 8 weeks for histology and OA scoring. In vitro proliferation and apoptosis assays were performed on primary chondrocytes. RESULTS Deletion of the Del1 gene led to decreased amounts of cartilage in the ears and knee joints in mice with otherwise normal skeletal morphology. Destabilization of the knee led to more severe OA compared to controls. In vitro, DEL1 blocked apoptosis in chondrocytes. CONCLUSION Osteoarthritis is among the most prevalent diseases worldwide and increasing in incidence as our population ages. Initiation begins with an injury resulting in the release of inflammatory mediators. Excessive production of inflammatory mediators results in apoptosis of chondrocytes. Because of the limited ability of chondrocytes to regenerate, articular cartilage deteriorates leading to the clinical symptoms including severe pain and decreased mobility. No treatments effectively block the progression of OA. We propose that direct modulation of chondrocyte apoptosis is a key variable in the etiology of OA, and therapies aimed at preventing this important step represent a new class of regenerative medicine targets.
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Affiliation(s)
- Zhen Wang
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Misha C. Tran
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Namrata J. Bhatia
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Alexander W. Hsing
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, United States of America
| | - Carol Chen
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Marie F. LaRussa
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Ernst Fattakhov
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Vania Rashidi
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Kyu Yun Jang
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
- Department of Pathology, Chonbuk National University Medical School, Jeonju, Republic of Korea
| | - Kevin J. Choo
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Xingju Nie
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Jonathan A. Mathy
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Michael T. Longaker
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Reinhold H. Dauskardt
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, United States of America
| | - Jill A. Helms
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
| | - George P. Yang
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States of America
- Palo Alto VA Health Care System, Palo Alto, CA, United States of America
- * E-mail:
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49
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Piszczatowski RT, Lents NH. Regulation of the CCN genes by vitamin D: A possible adjuvant therapy in the treatment of cancer and fibrosis. Cell Signal 2016; 28:1604-13. [PMID: 27460560 DOI: 10.1016/j.cellsig.2016.07.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 07/18/2016] [Accepted: 07/19/2016] [Indexed: 01/21/2023]
Abstract
The CCN family is composed of six cysteine-rich, modular, and conserved proteins whose functions span a variety of tissues and include cell proliferation, adhesion, angiogenesis, and wound healing. Roles for the CCN proteins throughout the entire body including the skin, kidney, brain, blood vessels, hematopoietic compartment and others, are continuously being elucidated. Likewise, an understanding of the regulation of this important gene family is constantly becoming clearer, through identification of transcription factors that directly activate, repress, or respond to upstream cell signaling pathways, as well as other forms of gene expression control. Vitamin D (1,25-dihydroxyvitamin D3 or calcitriol), a vitamin essential for numerous biological processes, acts as a potent gene expression modulator. The regulation of the CCN gene family members by calcitriol has been described in many contexts. Here, we provide a concise and thorough overview of what is known about calcitriol and its regulation of the CCN genes, and argue that its regulation is of physiological importance in a wide breadth of tissues in which CCN genes function. In addition, we highlight the effects of vitamin D on CCN gene expression in the setting of two common pathologic conditions, fibrosis and cancer, and propose that the therapeutic effects of vitamin D3 described in these disease states may in part be attributable to CCN gene modulation. As vitamin D is perfectly safe in a wide range of doses and already showing promise as an adjuvant therapeutic agent, a deeper understanding of its control of CCN gene expression may have profound implications in clinical management of disease.
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Affiliation(s)
| | - Nathan H Lents
- Department of Sciences, John Jay College, The City University of New York, New York, NY 10019, USA.
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Madhuri V, Santhanam M, Rajagopal K, Sugumar LK, Balaji V. WISP3 mutational analysis in Indian patients diagnosed with progressive pseudorheumatoid dysplasia and report of a novel mutation at p.Y198. Bone Joint Res 2016; 5:301-6. [PMID: 27436824 PMCID: PMC4957178 DOI: 10.1302/2046-3758.57.2000520] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 05/09/2016] [Indexed: 01/12/2023] Open
Abstract
Objectives To determine the pattern of mutations of the WISP3 gene in clinically identified progressive pseudorheumatoid dysplasia (PPD) in an Indian population. Patients and Methods A total of 15 patients with clinical features of PPD were enrolled in this study. Genomic DNA was isolated and polymerase chain reaction performed to amplify the WISP3 gene. Screening for mutations was done by conformation-sensitive gel electrophoresis, beginning with the fifth exon and subsequently proceeding to the remaining exons. Sanger sequencing was performed for both forward and reverse strands to confirm the mutations. Results In all, two of the 15 patients had compound heterozygous mutations: one a nonsense mutation c.156C>A (p.C52*) in exon 2, and the other a missense mutation c.677G>T (p.G226V) in exon 4. All others were homozygous, with three bearing a nonsense mutation c.156C>A (p.C52*) in exon 2, three a missense mutation c.233G>A (p.C78Y) in exon 2, five a missense mutation c.1010G>A (p.C337Y) in exon 5, one a nonsense mutation c.348C>A (p.Y116*) in exon 3, and one with a novel deletion mutation c.593_597delATAGA (p.Y198*) in exon 4. Conclusion We identified a novel mutation c.593_597delATAGA (p.Y198*) in the fourth exon of the WISP3 gene. We also confirmed c.1010G>A as one of the common mutations in an Indian population with progressive pseudorheumatoid dysplasia. Cite this article: V. Madhuri, M. Santhanam, K. Rajagopal, L. K. Sugumar, V. Balaji. WISP3 mutational analysis in Indian patients diagnosed with progressive pseudorheumatoid dysplasia and report of a novel mutation at p.Y198* Bone Joint Res 2016;5:301–306. DOI: 10.1302/2046-3758.57.2000520.
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Affiliation(s)
- V Madhuri
- Paediatric Orthopaedics Unit, Department of Orthopaedics, Christian Medical College, Vellore, Tamil Nadu, 632004, India and Adjunct Scientist, Centre for Stem Cell Research (a unit of inStem, Bengaluru), Christian Medical College, Vellore, Tamil Nadu, 632002, India
| | - M Santhanam
- Paediatric Orthopaedics Unit, Department of Orthopaedics, Christian Medical College, Vellore, Tamil Nadu, 632004, India
| | - K Rajagopal
- Paediatric Orthopaedics Unit, Department of Orthopaedics, Christian Medical College, Vellore, Tamil Nadu, 632004, India
| | - L K Sugumar
- Paediatric Orthopaedics Unit, Department of Orthopaedics, Christian Medical College, Vellore, Tamil Nadu, 632004, India
| | - V Balaji
- Paediatric Orthopaedics Unit, Department of Orthopaedics, Christian Medical College, Vellore, Tamil Nadu, 632004, India
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