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Voigt B, Frazier K, Yazdi D, Gontarz P, Zhang B, Sepich DS, Solnica-Krezel L, Gray RS. A conserved regulation of cell expansion underlies notochord mechanics, spine morphogenesis, and endochondral bone lengthening. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.12.607640. [PMID: 39211248 PMCID: PMC11361061 DOI: 10.1101/2024.08.12.607640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Cell size is a key contributor to tissue morphogenesis 1 . As a notable example, growth plate hypertrophic chondrocytes use cellular biogenesis and disproportionate fluid uptake to expand 10-20 times in size to drive lengthening of endochondral bone 2,3 . Similarly, notochordal cells expand to one of the largest cell types in the developing embryo to drive axial extension 4-6 . In zebrafish, the notochord vacuolated cells undergo vacuole fusion to form a single large, fluid-filled vacuole that fills the cytoplasmic space and contributes to vacuolated cell expansion 7 . When this process goes awry, the notochord lacks sufficient hydrostatic pressure to support vertebral bone deposition resulting in adult spines with misshapen vertebral bones and scoliosis 8 . However, it remains unclear whether endochondral bone and the notochord share common genetic and cellular mechanisms for regulating cell and tissue expansion. Here, we demonstrate that the 5'-inositol phosphatase gene, inppl1a , regulates notochord expansion, spine morphogenesis, and endochondral bone lengthening in zebrafish. Furthermore, we show that inppl1a regulates notochord expansion independent of vacuole fusion, thereby genetically decoupling these processes. We demonstrate that inppl1a -dependent notochord expansion is essential to establish normal mechanical properties of the notochord to facilitate the development of a straight spine. Finally, we find that inppl1a is also important for endochondral bone lengthening in fish, as has been shown in the human INPPL1 -related endochondral bone disorder, Opsismodysplasia 9 . Overall, this work reveals a conserved mechanism of cell size regulation that influences disparate tissues critical for skeletal development and short-stature disorders.
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2
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Baroncelli GI, Comberiati P, Aversa T, Baronio F, Cassio A, Chiarito M, Cosci o di Coscio M, De Sanctis L, Di Iorgi N, Faienza MF, Fintini D, Franceschi R, Kalapurackal M, Longhi S, Mariani M, Pitea M, Secco A, Tessaris D, Vierucci F, Wasniewska M, Weber G, Mora S. Diagnosis, treatment, and management of rickets: a position statement from the Bone and Mineral Metabolism Group of the Italian Society of Pediatric Endocrinology and Diabetology. Front Endocrinol (Lausanne) 2024; 15:1383681. [PMID: 38706696 PMCID: PMC11066174 DOI: 10.3389/fendo.2024.1383681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/03/2024] [Indexed: 05/07/2024] Open
Abstract
Rickets results from impaired mineralization of growing bone due to alterations in calcium and phosphate homeostasis. Clinical signs of rickets are related to the age of the patient, the duration of the disease, and the underlying disorder. The most common signs of rickets are swelling of the wrists, knees or ankles, bowing of the legs (knock-knees, outward bowing, or both) and inability to walk. However, clinical features alone cannot differentiate between the various forms of rickets. Rickets includes a heterogeneous group of acquired and inherited diseases. Nutritional rickets is due to a deficiency of vitamin D, dietary calcium or phosphate. Mutations in genes responsible for vitamin D metabolism or function, the production or breakdown of fibroblast growth factor 23, renal phosphate regulation, or bone mineralization can lead to the hereditary form of rickets. This position paper reviews the relevant literature and presents the expertise of the Bone and Mineral Metabolism Group of the Italian Society of Pediatric Endocrinology and Diabetology (SIEDP). The aim of this document is to provide practical guidance to specialists and healthcare professionals on the main criteria for diagnosis, treatment, and management of patients with rickets. The various forms of rickets are discussed, and detailed references for the discussion of each form are provided. Algorithms to guide the diagnostic approach and recommendations to manage patients with rare forms of hereditary rickets are proposed.
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Affiliation(s)
- Giampiero I. Baroncelli
- Pediatric and Adolescent Endocrinology, Division of Pediatrics, Department of Obstetrics, Gynecology and Pediatrics, University Hospital, Pisa, Italy
| | - Pasquale Comberiati
- Pediatric and Adolescent Endocrinology, Division of Pediatrics, Department of Obstetrics, Gynecology and Pediatrics, University Hospital, Pisa, Italy
- Department of Clinical and Experimental Medicine, Section of Paediatrics, University of Pisa, Pisa, Italy
| | - Tommaso Aversa
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
- Pediatric Unit, University Hospital “G. Martino”, Messina, Italy
| | - Federico Baronio
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Alessandra Cassio
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Mariangela Chiarito
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University “A. Moro” of Bari, Bari, Italy
| | - Mirna Cosci o di Coscio
- Pediatric and Adolescent Endocrinology, Division of Pediatrics, Department of Obstetrics, Gynecology and Pediatrics, University Hospital, Pisa, Italy
| | - Luisa De Sanctis
- Division of Pediatric Endocrinology, Department of Public Health and Pediatrics, University of Turin, Regina Margherita Children’s Hospital, Turin, Italy
| | - Natascia Di Iorgi
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Maria Felicia Faienza
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University “A. Moro” of Bari, Bari, Italy
| | - Danilo Fintini
- Endocrinology and Diabetology Unit, Bambino Gesù Children Hospital, IRCCS, Rome, Italy
| | - Roberto Franceschi
- Department of Pediatrics, Santa Chiara Hospital of Trento, APSS, Trento, Italy
| | - Mila Kalapurackal
- Department of Pediatrics, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University (PMU), Bolzano, Italy
| | - Silvia Longhi
- Department of Pediatrics, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University (PMU), Bolzano, Italy
| | - Michela Mariani
- Endocrinology and Diabetology Unit, Bambino Gesù Children Hospital, IRCCS, Rome, Italy
| | - Marco Pitea
- Pediatric Endocrinology Unit, Department of Pediatrics, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Andrea Secco
- Pediatric and Pediatric Emergency Unit, Children Hospital, Azienda Ospedaliera SS Antonio e Biagio e C. Arrigo, Alessandria, Italy
| | - Daniele Tessaris
- Division of Pediatric Endocrinology, Department of Public Health and Pediatrics, University of Turin, Regina Margherita Children’s Hospital, Turin, Italy
| | | | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
| | - Giovanna Weber
- Pediatric Endocrinology Unit, Department of Pediatrics, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Stefano Mora
- Laboratory of Pediatric Endocrinology, Department of Pediatrics, IRCCS Ospedale San Raffaele, Milan, Italy
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3
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Abumansour IS, Iskandarani RM, Edrees A, Javed F, Taher F, Hakeem GF. Prenatal-onset INPPL1-related skeletal dysplasia in two unrelated families: Diagnosis and prediction of lethality. Clin Case Rep 2021; 9:e04079. [PMID: 34094554 PMCID: PMC8162397 DOI: 10.1002/ccr3.4079] [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: 12/22/2020] [Revised: 02/24/2021] [Accepted: 03/05/2021] [Indexed: 11/11/2022] Open
Abstract
This report describes two patients with INPPL1- related skeletal dysplasia diagnosed prenatally. A literature review is conducted to find out if high-lethality is associated with particular pathogenic variants in INPPL1 gene. Prediction of lethality in the prenatal setting has an impact on perinatal management. Some frameshift variants in INPLL1 gene are uniquely observed in lethal cases; however, more patients are needed to confirm the correlation.
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Affiliation(s)
- Iman Sabri Abumansour
- Neurogenetic SectionDepartment of PediatricsKing Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia
- Department of Medical GeneticsFaculty of MedicineUmm Al‐Qura UniversityMakkahSaudi Arabia
| | - Radiah Mahmoud Iskandarani
- Maternal Fetal MedicineDepartment of Obstetrics and GynecologyKing Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia
| | - Alaa Edrees
- Neurogenetic SectionDepartment of PediatricsKing Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia
| | - Farrukh Javed
- Neonatal Perinatal MedicineDepartment of PediatricsKing Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia
| | - Fadwah Taher
- Maternal Fetal MedicineDepartment of Obstetrics and GynecologyFaculty of MedicineUmm Al‐Qura UniversityMakkahSaudi Arabia
| | - Ghaidaa Farouk Hakeem
- Maternal Fetal MedicineDepartment of Obstetrics and GynecologyKing Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia
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4
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Barbosa JS, Almeida Paz FA, Braga SS. Bisphosphonates, Old Friends of Bones and New Trends in Clinics. J Med Chem 2021; 64:1260-1282. [PMID: 33522236 DOI: 10.1021/acs.jmedchem.0c01292] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bisphosphonates, used for a long time in osteoporosis management, are currently the target of intensive research, from pre-formulation studies to more advanced stages of clinical practice. This review presents an overview of the contributions of this family of compounds to human health, starting with the chemistry and clinical uses of bisphosphonates. Following this, their pharmacology is described, highlighting administration-borne handicaps and undesirable effects. The last three sections of the review describe the research efforts that seek to curb delivery-related issues and expand bisphosphonate use. Innovative routes and strategies of administration, such as nano-encapsulation for oral intake or injectable cements for local or in-bone delivery are presented, as well as the latest results of case studies or preclinical studies proposing new therapeutic indications for the clinically approved bisphosphonates. Finally, a selection of anti-infectious bisphosphonate new drug candidates is shown, with focus on the molecules reported in the last two decades.
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Affiliation(s)
- Jéssica S Barbosa
- CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal.,LAQV-Requimte, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Filipe A Almeida Paz
- CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Susana Santos Braga
- LAQV-Requimte, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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5
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Vande Catsyne CA, Sayyed SA, Molina-Ortiz P, Moes B, Communi D, Muller J, Heusschen R, Caers J, Azzi A, Erneux C, Schurmans S. Altered chondrocyte differentiation, matrix mineralization and MEK-Erk1/2 signaling in an INPPL1 catalytic knock-out mouse model of opsismodysplasia. Adv Biol Regul 2019; 76:100651. [PMID: 31519471 DOI: 10.1016/j.jbior.2019.100651] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/30/2019] [Accepted: 09/03/2019] [Indexed: 11/25/2022]
Abstract
Opsismodysplasia (OPS) is a rare but severe autosomal recessive skeletal chondrodysplasia caused by inactivating mutations in the Inppl1/Ship2 gene. The molecular mechanism leading from Ship2 gene inactivation to OPS is currently unknown. Here, we used our Ship2Δ/Δ mouse expressing reduced amount of a catalytically-inactive SHIP2 protein and a previously reported SHIP2 inhibitor to investigate growth plate development and mineralization in vivo, ex vivo and in vitro. First, as observed in OPS patients, catalytic inactivation of SHIP2 in mouse leads to reduced body length, shortening of long bones, craniofacial dysmorphism, reduced height of the hyperthrophic chondrocyte zone and to defects in growth plate mineralization. Second, intrinsic Ship2Δ/Δ bone defects were sufficient to induce the characteristic OPS alterations in bone growth, histology and mineralization ex vivo. Third, expression of osteocalcin was significantly increased in SHIP2-inactivated chondrocyte cultures whereas production of mineralized nodules was markedly decreased. Targeting osteocalcin mRNA with a specific shRNA increased the production of mineralized nodules. Fourth, levels of p-MEK and p-Erk1/2 were significantly increased in SHIP2-inactivated chondrocytes in response to serum and IGF-1, but not to FGF2, as compared to control chondrocytes. Treatment of chondrocytes and bones in culture with a MEK inhibitor partially rescued the production of mineralized nodules, the size of the hypertrophic chondrocyte zone and bone growth, raising the possibility of a treatment that could partially reduce the phenotype of this severe condition. Altogether, our results indicate that Ship2Δ/Δ mice represent a relevant model for human OPS. They also highlight the important role of SHIP2 in chondrocytes during endochondral ossification and its different differentiation steps. Finally, we identified a role of osteocalcin in mineralized nodules production and for the MEK-Erk1/2 signaling pathway in the OPS phenotype.
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Affiliation(s)
- Charles-Andrew Vande Catsyne
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Sufyan Ali Sayyed
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Patricia Molina-Ortiz
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Bastien Moes
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - David Communi
- IRIBHM, Bat. C, Campus Hôpital Erasme, Université Libre de Bruxelles, route de Lennik 808, 1070, Bruxelles, Belgium
| | - Joséphine Muller
- Laboratory of Hematology, GIGA-Inflammation, Infection & Immunity, GIGA-B34, CHU Sart Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Roy Heusschen
- Laboratory of Hematology, GIGA-Inflammation, Infection & Immunity, GIGA-B34, CHU Sart Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Jo Caers
- Laboratory of Hematology, GIGA-Inflammation, Infection & Immunity, GIGA-B34, CHU Sart Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Abdelhalim Azzi
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium
| | - Christophe Erneux
- IRIBHM, Bat. C, Campus Hôpital Erasme, Université Libre de Bruxelles, route de Lennik 808, 1070, Bruxelles, Belgium
| | - Stéphane Schurmans
- Laboratory of Functional Genetics, GIGA-Molecular Biology of Disease, GIGA-B34, CHU Sart-Tilman, University of Liège, avenue de l'Hôpital 11, 4000, Liège, Belgium.
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6
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Fafilek B, Balek L, Bosakova MK, Varecha M, Nita A, Gregor T, Gudernova I, Krenova J, Ghosh S, Piskacek M, Jonatova L, Cernohorsky NH, Zieba JT, Kostas M, Haugsten EM, Wesche J, Erneux C, Trantirek L, Krakow D, Krejci P. The inositol phosphatase SHIP2 enables sustained ERK activation downstream of FGF receptors by recruiting Src kinases. Sci Signal 2018; 11:11/548/eaap8608. [PMID: 30228226 DOI: 10.1126/scisignal.aap8608] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Sustained activation of extracellular signal-regulated kinase (ERK) drives pathologies caused by mutations in fibroblast growth factor receptors (FGFRs). We previously identified the inositol phosphatase SHIP2 (also known as INPPL1) as an FGFR-interacting protein and a target of the tyrosine kinase activities of FGFR1, FGFR3, and FGFR4. We report that loss of SHIP2 converted FGF-mediated sustained ERK activation into a transient signal and rescued cell phenotypes triggered by pathologic FGFR-ERK signaling. Mutant forms of SHIP2 lacking phosphoinositide phosphatase activity still associated with FGFRs and did not prevent FGF-induced sustained ERK activation, demonstrating that the adaptor rather than the catalytic activity of SHIP2 was required. SHIP2 recruited Src family kinases to the FGFRs, which promoted FGFR-mediated phosphorylation and assembly of protein complexes that relayed signaling to ERK. SHIP2 interacted with FGFRs, was phosphorylated by active FGFRs, and promoted FGFR-ERK signaling at the level of phosphorylation of the adaptor FRS2 and recruitment of the tyrosine phosphatase PTPN11. Thus, SHIP2 is an essential component of canonical FGF-FGFR signal transduction and a potential therapeutic target in FGFR-related disorders.
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Affiliation(s)
- Bohumil Fafilek
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | - Lukas Balek
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic
| | - Michaela Kunova Bosakova
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | - Miroslav Varecha
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | - Alexandru Nita
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic
| | - Tomas Gregor
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Iva Gudernova
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic
| | - Jitka Krenova
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic
| | - Somadri Ghosh
- Institut de Recherche Interdisciplinaire en Biologie Humaine et moléculaire, Université Libre de Bruxelles, 1070 Bruxelles, Belgium
| | - Martin Piskacek
- Department of Pathological Physiology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Lucie Jonatova
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic
| | | | - Jennifer T Zieba
- Department of Orthopedic Surgery, University of California Los Angeles, CA 90095, USA
| | - Michal Kostas
- Department of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, 0379 Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
| | - Ellen Margrethe Haugsten
- Department of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, 0379 Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
| | - Jørgen Wesche
- Department of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, 0379 Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
| | - Christophe Erneux
- Institut de Recherche Interdisciplinaire en Biologie Humaine et moléculaire, Université Libre de Bruxelles, 1070 Bruxelles, Belgium
| | - Lukas Trantirek
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Deborah Krakow
- Department of Orthopedic Surgery, University of California Los Angeles, CA 90095, USA.,Department of Human Genetics, University of California Los Angeles, CA 90095, USA.,Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California Los Angeles, CA 90095, USA
| | - Pavel Krejci
- Department of Biology, Masaryk University, 62500 Brno, Czech Republic. .,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic.,Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, 60200 Brno, Czech Republic
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7
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Novel compound heterozygous mutations in inositol polyphosphate phosphatase-like 1 in a family with severe opsismodysplasia. Clin Dysmorphol 2017; 25:152-5. [PMID: 27233067 DOI: 10.1097/mcd.0000000000000136] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This study aimed to identify the genetic basis of a severe skeletal lethal dysplasia. The main clinical features of two affected fetuses included short limbs with flared metaphyses, bowed radii, femora and tibiae, irregular ossification of hands and feet, and marked platyspondyly. Affected and nonaffected family members were subjected to whole-exome sequencing, followed by immunoblot analysis on amniocytes isolated from one of the affected individuals. Unique compound heterozygous variants in the inositol polyphosphate phosphatase-like 1 (INPPL1) gene encoding the SHIP2 protein were identified in both affected individuals. One variant was inherited from each unaffected parent. Both allelic variants, c.(2327-1G>C);(1150_1151delGA), are predicted to result in premature stop codons leading to nonsense-mediated mRNA decay of the mutant alleles and no production of SHIP2. The absence of SHIP2 was confirmed by immunoblot analysis of proband amniocytes. This skeletal disorder is caused by the complete absence of the SHIP2 protein. INPPL1 mutations have been reported in opsismodysplasia, an autosomal recessive skeletal dysplasias with significant delayed bone formation. Our finding highlights the critical role that INPPL1/SHIP2 plays in skeletal development.
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8
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Fradet A, Fitzgerald J. INPPL1 gene mutations in opsismodysplasia. J Hum Genet 2016; 62:135-140. [PMID: 27708270 DOI: 10.1038/jhg.2016.119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 09/05/2016] [Accepted: 09/08/2016] [Indexed: 01/19/2023]
Abstract
The INPPL1 (inositol polyphosphate phosphatase-like 1) gene encodes the inositol phosphatase, SHIP2 (for src homology 2 domain-containing inositol phosphatase 2). SHIP2 functions to dephosphorylate, and negatively regulate, the lipid second messenger phosphatidylinositol (3,4,5)P3. SHIP2 has been well studied in the area of insulin resistance and obesity but has roles in cancer and other disorders. Recently, it was reported that mutations in INPPL1 cause opsismodysplasia, a rare, autosomal recessive severe skeletal dysplasia. This review focuses on the mutations associated with opsismodysplasia and explores the role of INPPL1/ SHIP2 in skeletal development.
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Affiliation(s)
- Anaïs Fradet
- Department of Orthopedic Surgery, Bone and Joint Center, Henry Ford Hospital System, Detroit, MI, USA
| | - Jamie Fitzgerald
- Department of Orthopedic Surgery, Bone and Joint Center, Henry Ford Hospital System, Detroit, MI, USA
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9
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Lee H, Nevarez L, Lachman RS, Wilcox WR, Krakow D, Cohn DH. A second locus for Schneckenbecken dysplasia identified by a mutation in the gene encoding inositol polyphosphate phosphatase-like 1 (INPPL1). Am J Med Genet A 2015; 167A:2470-3. [PMID: 25997753 DOI: 10.1002/ajmg.a.37173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 05/06/2015] [Indexed: 02/04/2023]
Affiliation(s)
- Hane Lee
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Lisette Nevarez
- Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, California
| | - Ralph S Lachman
- International Skeletal Dysplasia Registry, University of California Los Angeles, Los Angeles, California
| | - William R Wilcox
- Division of Medical Genetics, Department of Human Genetics, Emory University, Decatur, Georgia
| | - Deborah Krakow
- International Skeletal Dysplasia Registry, University of California Los Angeles, Los Angeles, California.,Departments of Orthopaedic Surgery, Los Angeles, California.,Human Genetics, Los Angeles, California.,Obstetrics and Gynecology, University of California Los Angeles, Los Angeles, California
| | - Daniel H Cohn
- Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, California.,International Skeletal Dysplasia Registry, University of California Los Angeles, Los Angeles, California.,Departments of Orthopaedic Surgery, Los Angeles, California
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10
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Khwaja A, Parnell SE, Ness K, Bompadre V, White KK. Opsismodysplasia: Phosphate Wasting Osteodystrophy Responds to Bisphosphonate Therapy. Front Pediatr 2015; 3:48. [PMID: 26157786 PMCID: PMC4476261 DOI: 10.3389/fped.2015.00048] [Citation(s) in RCA: 4] [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: 03/13/2015] [Accepted: 05/14/2015] [Indexed: 01/27/2023] Open
Abstract
UNLABELLED We present two siblings affected with opsismodysplasia (OPS), a rare skeletal dysplasia caused by mutations in the inositol polyphosphate phosphatase-like 1 gene. The skeletal findings include short stature with postnatal onset micromelia, marked platyspondyly, squared metacarpals, delayed skeletal ossification, metaphyseal cupping, and postnatal micromelia. Respiratory compromise, delayed ambulation, and progressive lower extremity deformities are described. The severity of findings is variable. Renal phosphate wasting is associated with severe bone demineralization and a more severe phenotype. This report represents the first described cases of opsismodysplasia treated with intravenous bisphosphonate (pamidronate). Surgical management for lower extremity deformities associated with OPS is also reviewed. LEVEL OF EVIDENCE IV Case series.
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Affiliation(s)
- Ansab Khwaja
- Orthopedics and Sports Medicine, Seattle Children's Hospital, University of Washington , Seattle, WA , USA
| | - Shawn E Parnell
- Department of Radiology, Seattle Children's Hospital, University of Washington , Seattle, WA , USA
| | - Kathryn Ness
- Division of Endocrinology, Department of Pediatrics, Seattle Children's Hospital, University of Washington , Seattle, WA , USA
| | - Viviana Bompadre
- Orthopedics and Sports Medicine, Seattle Children's Hospital, University of Washington , Seattle, WA , USA
| | - Klane K White
- Orthopedics and Sports Medicine, Seattle Children's Hospital, University of Washington , Seattle, WA , USA
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11
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Garcia-Cazorla À, Mochel F, Lamari F, Saudubray JM. The clinical spectrum of inherited diseases involved in the synthesis and remodeling of complex lipids. A tentative overview. J Inherit Metab Dis 2015; 38:19-40. [PMID: 25413954 DOI: 10.1007/s10545-014-9776-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 09/16/2014] [Accepted: 09/23/2014] [Indexed: 12/19/2022]
Abstract
Over one hundred diseases related to inherited defects of complex lipids synthesis and remodeling are now reported. Most of them were described within the last 5 years. New descriptions and phenotypes are expanding rapidly. While the associated clinical phenotype is currently difficult to outline, with only a few patients identified, it appears that all organs and systems may be affected. The main clinical presentations can be divided into (1) Diseases affecting the central and peripheral nervous system. Complex lipid synthesis disorders produce prominent motor manifestations due to upper and/or lower motoneuron degeneration. Motor signs are often complex, associated with other neurological and extra-neurological signs. Three neurological phenotypes, spastic paraparesis, neurodegeneration with brain iron accumulation and peripheral neuropathies, deserve special attention. Many apparently well clinically defined syndromes are not distinct entities, but rather clusters on a continuous spectrum, like for the PNPLA6-associated diseases, extending from Boucher-Neuhauser syndrome via Gordon Holmes syndrome to spastic ataxia and pure hereditary spastic paraplegia; (2) Muscular/cardiac presentations; (3) Skin symptoms mostly represented by syndromic (neurocutaneous) and non syndromic ichthyosis; (4) Retinal dystrophies with syndromic and non syndromic retinitis pigmentosa, Leber congenital amaurosis, cone rod dystrophy, Stargardt disease; (5) Congenital bone dysplasia and segmental overgrowth disorders with congenital lipomatosis; (6) Liver presentations characterized mainly by transient neonatal cholestatic jaundice and non alcoholic liver steatosis with hypertriglyceridemia; and (7) Renal and immune presentations. Lipidomics and molecular functional studies could help to elucidate the mechanism(s) of dominant versus recessive inheritance observed for the same gene in a growing number of these disorders.
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Affiliation(s)
- Àngels Garcia-Cazorla
- Department of Neurology, Neurometabolic Unit, Hospital Sant Joan de Déu and CIBERER, ISCIII, Barcelona, Spain,
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Li B, Krakow D, Nickerson DA, Bamshad MJ, Chang Y, Lachman RS, Yilmaz A, Kayserili H, Cohn DH. Opsismodysplasia resulting from an insertion mutation in the SH2 domain, which destabilizes INPPL1. Am J Med Genet A 2014; 164A:2407-11. [PMID: 24953221 DOI: 10.1002/ajmg.a.36640] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 05/08/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Bing Li
- Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, California
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Mégarbané A, Mehawej C, El Zahr A, Haddad S, Cormier-Daire V. A second family with autosomal recessive spondylometaphyseal dysplasia and early death. Am J Med Genet A 2014; 164A:1010-4. [PMID: 24458487 DOI: 10.1002/ajmg.a.36372] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 11/04/2013] [Indexed: 11/09/2022]
Abstract
We report on a consanguineous Lebanese family in which two sibs had pre- and post-natal growth retardation, developmental delay, large anterior fontanel, prominent forehead, low-set ears, depressed nasal bridge, short nose, anteverted nares, increased nasal width, prominent abdomen, and short limbs. Radiographs disclosed the presence of wormian bones, platyspondyly, decreased interpedicular distance at the lumbar vertebrae, square iliac bones, horizontal acetabula, trident acetabula, hypoplastic ischia, partial agenesis of the sacrum, ribs with cupped ends, short long bones with abnormal modeling, slight widening of the distal femoral metaphyses, and delayed epiphyseal ossification. Both sibs had a severe cardiomegaly and died at around 24 months from a heart failure. Differential diagnosis suggests that this is a second family presenting a newly described early lethal chondrodysplasia first reported by [Mégarbané et al. (2008); Am J Med Genet Part A 146A:2916-2919].
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Affiliation(s)
- André Mégarbané
- Unité de Génétique Médicale et Laboratoire Associe INSERM UMR S_910, Pôle Technologie Santé, Université Saint Joseph, Beirut, Lebanon
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Huber C, Faqeih E, Bartholdi D, Bole-Feysot C, Borochowitz Z, Cavalcanti DP, Frigo A, Nitschke P, Roume J, Santos H, Shalev S, Superti-Furga A, Delezoide AL, Le Merrer M, Munnich A, Cormier-Daire V. Exome sequencing identifies INPPL1 mutations as a cause of opsismodysplasia. Am J Hum Genet 2013; 92:144-9. [PMID: 23273569 DOI: 10.1016/j.ajhg.2012.11.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Revised: 11/12/2012] [Accepted: 11/28/2012] [Indexed: 12/18/2022] Open
Abstract
Opsismodysplasia (OPS) is a severe autosomal-recessive chondrodysplasia characterized by pre- and postnatal micromelia with extremely short hands and feet. The main radiological features are severe platyspondyly, squared metacarpals, delayed skeletal ossification, and metaphyseal cupping. In order to identify mutations causing OPS, a total of 16 cases (7 terminated pregnancies and 9 postnatal cases) from 10 unrelated families were included in this study. We performed exome sequencing in three cases from three unrelated families and only one gene was found to harbor mutations in all three cases: inositol polyphosphate phosphatase-like 1 (INPPL1). Screening INPPL1 in the remaining cases identified a total of 12 distinct INPPL1 mutations in the 10 families, present at the homozygote state in 7 consanguinous families and at the compound heterozygote state in the 3 remaining families. Most mutations (6/12) resulted in premature stop codons, 2/12 were splice site, and 4/12 were missense mutations located in the catalytic domain, 5-phosphatase. INPPL1 belongs to the inositol-1,4,5-trisphosphate 5-phosphatase family, a family of signal-modulating enzymes that govern a plethora of cellular functions by regulating the levels of specific phosphoinositides. Our finding of INPPL1 mutations in OPS, a severe spondylodysplastic dysplasia with major growth plate disorganization, supports a key and specific role of this enzyme in endochondral ossification.
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Whole-genome analysis reveals that mutations in inositol polyphosphate phosphatase-like 1 cause opsismodysplasia. Am J Hum Genet 2013; 92:137-43. [PMID: 23273567 DOI: 10.1016/j.ajhg.2012.11.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 11/13/2012] [Accepted: 11/26/2012] [Indexed: 11/22/2022] Open
Abstract
Opsismodysplasia is a rare, autosomal-recessive skeletal dysplasia characterized by short stature, characteristic facial features, and in some cases severe renal phosphate wasting. We used linkage analysis and whole-genome sequencing of a consanguineous trio to discover that mutations in inositol polyphosphate phosphatase-like 1 (INPPL1) cause opsismodysplasia with or without renal phosphate wasting. Evaluation of 12 families with opsismodysplasia revealed that INPPL1 mutations explain ~60% of cases overall, including both of the families in our cohort with more than one affected child and 50% of the simplex cases.
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Lewis LES, Ramesh Bhat Y, Naik P, Sethi K, Girisha KM. Opsismodysplasia. Indian J Pediatr 2010; 77:567-8. [PMID: 20422326 DOI: 10.1007/s12098-010-0043-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2009] [Accepted: 12/02/2009] [Indexed: 11/24/2022]
Abstract
Opsismodysplasia is a rare osteochondrodysplasia with micromelia and platyspondyly. We report on a neonate with opsismodysplasia. During the antenatal period, polyhydramnios was noted. This is the first report of opsismodysplasia from India. Significant observation was antenatal polyhydramnios.
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Affiliation(s)
- Leslie Edward S Lewis
- Neonatal Intensive Care Unit and Genetics Clinic, Department of Pediatrics, Kasturba Medical College, Manipal, India
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Al Kaissi A, Chehida FB, Ghachem MB, Grill F, Klaushofer K. Atlanto-axial segmentation defects and os odontoideum in two male siblings with opsismodysplasia. Skeletal Radiol 2009; 38:293-6. [PMID: 19050869 DOI: 10.1007/s00256-008-0623-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Revised: 10/03/2008] [Accepted: 11/03/2008] [Indexed: 02/02/2023]
Abstract
We report two siblings aged 11 and 7 years, respectively, who presented with the clinical and radiographic features of opsismodysplasia (non-lethal type). 3D computed tomography scans of the craniocervical region revealed a split atlas and os odontoideum in both siblings. To the best of our knowledge, this is the first clinical report detailing craniocervical malformations in two siblings with opsismodysplasia.
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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, 4th Medical Department, Hanusch Hospital, Heinrich Collins Str., 30, 1140 Vienna, Austria.
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Sudden death in spondylo-meta-epiphyseal dysplasia, short limb-abnormal calcification type. Clin Dysmorphol 2009; 18:25-29. [PMID: 19050401 DOI: 10.1097/mcd.0b013e3283186907] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The spondylo-meta-epiphyseal dysplasias are an expanding group of skeletal dysplasias with specific features differentiating each subtype. We review the precocious carpal mineralization, unique metacarpal shape, triangular distal phalanges and mushroom cloud-shaped proximal phalanges present at an early age in spondylo-meta-epiphyseal dysplasia, short limb-abnormal calcification type (SMED SL-AC) and report two patients with clinical and radiographic features consistent with SMED SL-AC, who died suddenly because of spinal cord compression. The patients presented are female siblings, providing further evidence for autosomal recessive inheritance. Cervical cord compression is found in half of reported patients and is the major cause of mortality. SMED SL-AC should be added to the list of genetic causes of sudden death. Radiological features in the hand may be used in the first few years of life to support an early diagnosis and thus allow for prevention of premature demise.
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Mégarbané A, Dagher R, Melki I. Sib pair with previously unreported skeletal dysplasia. Am J Med Genet A 2008; 146A:2916-9. [DOI: 10.1002/ajmg.a.32540] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
The spondylo-epi-metaphyseal dysplasias (SEMD) are a heterogeneous group of disorders comprising more than 20 distinct entities with differing modes of inheritance, all defined by the combination of vertebral, epiphyseal and metaphyseal abnormalities. The presenting symptom of SEMD patients is usually disproportionate short stature. The diagnosis is either based on the specificity of the skeletal manifestations or on the presence of characteristic extraskeletal features which may appear during the course of the disease, highlighting the importance of follow-up of SEMD patients. The complications are variable but epiphyseal dysplasia is often a predominant feature, and the course of the disease is marked by premature osteoarthritis. A systematic survey of odontoid hypoplasia responsible for atlantoaxial instability with a risk of spinal cord is also required.
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Affiliation(s)
- Valérie Cormier-Daire
- Department of Medical Genetics and INSERM U781, Université Paris V, Hopital Necker Enfants Malades, Paris, France.
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Zeger MD, Adkins D, Fordham LA, White KE, Schoenau E, Rauch F, Loechner KJ. Hypophosphatemic rickets in opsismodysplasia. J Pediatr Endocrinol Metab 2007; 20:79-86. [PMID: 17315533 DOI: 10.1515/jpem.2007.20.1.79] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Opsismodysplasia is a rare spondylo(epi)chondrodysplasia characteristized by delayed skeletal maturation and a constellation of dysplastic features. Although metaphyseal irregularities/cupping have been noted, neither renal phosphate wasting nor rickets have previously been reported. OBJECTIVE To evaluate hypophosphatemia and rickets in opsismodysplasia. PATIENTS Two girls with opsismodysplasia presenting with hypophoshpatemia by 3 years of age. METHODS Routine biochemistries to assess hypophosphatemia and renal phosphate wasting; radiographs (rachitic changes) and DEXA scan (BMD); FGF23 levels, PHEX and FGF23 gene analyses performed (Patient 1). RESULTS Both children had hypophosphatemia, decreased TRP, and rickets. Oral phosphorus and calcitriol improved metaphyseal mineralization, yet serum phosphate levels remained relatively low and renal phosphate wasting persisted. PHEX and FGF23 gene analyses were negative, whereas serum FGF23 levels were markedly elevated in Patient 1. CONCLUSION We now demonstrate an association between opsismodysplasia, hypophosphatemic rickets, and FGF23 elevation. Screening phosphorus levels may thus uncover a potentially treatable component of this disease.
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Ramos FJ, González JP, Cortabarria C, Domenech E, Pérez-González J, Bueno M. A further case of opsismodysplasia with hydrocephalus. Eur J Med Genet 2006; 49:93-100. [PMID: 16473316 DOI: 10.1016/j.ejmg.2005.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2004] [Indexed: 11/18/2022]
Abstract
We present a case of opsismodysplasia, a very rare skeletal dysplasia, in a term newborn female who had short length, short extremities and markedly short fingers. Radiological studies demonstrated severe platyspondyly, absence of epiphyseal ossification centers, short tubular bones, especially severe in hands and feet, with metaphyseal cupping. She also had hydrocephaly, a rare finding in opsismodysplasia. In our literature review we have found 24 cases, 17 born alive and seven terminations of pregnancy (TOPs).
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Affiliation(s)
- Feliciano J Ramos
- Dpto. de Pediatría, Serv. Neonatología y Genética, Hospital Clínico Universitario, Facultad de Medicina, Universidad de Zaragoza, C/ Domingo Miral s/n, Zaragoza 50009, Spain.
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Current awareness in prenatal diagnosis. Prenat Diagn 2003; 23:1027-32. [PMID: 14703639 DOI: 10.1002/pd.536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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