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Demuynck B, Flipo J, Kaci N, Dambkowski C, Paull M, Muslimova E, Shah BP, Legeai-Mallet L. Low-dose infigratinib increases bone growth and corrects growth plate abnormalities in an achondroplasia mouse model. J Bone Miner Res 2024; 39:765-774. [PMID: 38590263 DOI: 10.1093/jbmr/zjae051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 03/13/2024] [Accepted: 03/19/2024] [Indexed: 04/10/2024]
Abstract
Achondroplasia (ACH), the most common form of disproportionate short stature, is caused by gain-of-function point mutations in fibroblast growth factor receptor 3 (FGFR3). Abnormally elevated activation of FGFR3 modulates chondrocyte proliferation and differentiation via multiple signaling pathways, such as the MAPK pathway. Using a mouse model mimicking ACH (Fgfr3Y367C/+), we have previously shown that daily treatment with infigratinib (BGJ398), a selective and orally bioavailable FGFR1-3 inhibitor, at a dose of 2 mg/kg, significantly increased bone growth. In this study, we investigated the activity of infigratinib administered at substantially lower doses (0.2 and 0.5 mg/kg, given once daily) and using an intermittent dosing regimen (1 mg/kg every 3 days). Following a 15-day treatment period, these low dosages were sufficient to observe significant improvement of clinical hallmarks of ACH such as growth of the axial and appendicular skeleton and skull development. Immunohistological labeling demonstrated the positive impact of infigratinib on chondrocyte differentiation in the cartilage growth plate and the cartilage end plate of the vertebrae. Macroscopic and microcomputed analyses showed enlargement of the foramen magnum area at the skull base, thus improving foramen magnum stenosis, a well-recognized complication in ACH. No changes in FGF23 or phosphorus levels were observed, indicating that the treatment did not modify phosphate homeostasis. This proof-of-concept study demonstrates that infigratinib administered at low doses has the potential to be a safe and effective therapeutic option for children with ACH.
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Affiliation(s)
- Benoit Demuynck
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR1163, Université de Paris Cité, Imagine Institute, Paris, France
| | - Justine Flipo
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR1163, Université de Paris Cité, Imagine Institute, Paris, France
| | - Nabil Kaci
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR1163, Université de Paris Cité, Imagine Institute, Paris, France
| | | | - Morgan Paull
- QED Therapeutics, San Francisco, CA 94107, United States
| | | | - Bhavik P Shah
- QED Therapeutics, San Francisco, CA 94107, United States
| | - Laurence Legeai-Mallet
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR1163, Université de Paris Cité, Imagine Institute, Paris, France
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2
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Pereur R, Dambroise E. Insights into Craniofacial Development and Anomalies: Exploring Fgf Signaling in Zebrafish Models. Curr Osteoporos Rep 2024; 22:340-352. [PMID: 38739352 DOI: 10.1007/s11914-024-00873-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/22/2024] [Indexed: 05/14/2024]
Abstract
PURPOSE OF REVIEW To illustrate the value of using zebrafish to understand the role of the Fgf signaling pathway during craniofacial skeletal development under normal and pathological conditions. RECENT FINDINGS Recent data obtained from studies on zebrafish have demonstrated the genetic redundancy of Fgf signaling pathway and have identified new molecular partners of this signaling during the early stages of craniofacial skeletal development. Studies on zebrafish models demonstrate the involvement of the Fgf signaling pathway at every stage of craniofacial development. They particularly emphasize the central role of Fgf signaling pathway during the early stages of the development, which significantly impacts the formation of the various structures making up the craniofacial skeleton. This partly explains the craniofacial abnormalities observed in disorders associated with FGF signaling. Future research efforts should focus on investigating zebrafish Fgf signaling during more advanced stages, notably by establishing zebrafish models expressing mutations responsible for diseases such as craniosynostoses.
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Affiliation(s)
- Rachel Pereur
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Université Paris Cité, INSERM UMR 1163, Imagine Institut, 24 boulevard Montparnasse, 75015, Paris, France
| | - Emilie Dambroise
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Université Paris Cité, INSERM UMR 1163, Imagine Institut, 24 boulevard Montparnasse, 75015, Paris, France.
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3
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Franz-Odendaal TA, Bezuhly M. Clomiphene Citrate and Enclomiphene Hydrochloride Exposure Is Associated With Interfrontal Suture Fusion in Zebrafish. Plast Surg (Oakv) 2023; 31:383-389. [PMID: 37915340 PMCID: PMC10617459 DOI: 10.1177/22925503211057526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/24/2021] [Accepted: 09/30/2021] [Indexed: 11/03/2023] Open
Abstract
Background: The last several decades have witnessed an increase in metopic craniosynostosis incidence. Population-based studies suggest that pharmacological exposure in utero may be responsible. This study examined effects of the fertility drug clomiphene citrate (CC) on calvarial development in an established model for craniofacial development, the zebrafish Danio rerio. Results: Zebrafish larvae were exposed to clomiphene citrate or its isomer enclomiphene for five days at key points during calvarial development. Larvae were then raised to adulthood in normal rearing water. Zebrafish were analyzed using whole-mount skeletal staining. We observed differential effects on survivability, growth and suture formation depending on the treatment. Treatments with CC or enclomiphene at 5.5 mm SL led to increased fusion of the interfrontal suture (p < .01) compared to controls. Conclusions: Exposure to fertility drugs appears to affect development of the cranial vault, specifically the interfrontal suture, in zebrafish. Further research is required to identify the signaling mechanisms at play. This work suggests that fertility drug treatment may contribute to the increased incidence of metopic craniosynostosis observed globally.
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Affiliation(s)
- Tamara A. Franz-Odendaal
- Department of Biology, Mount Saint Vincent University, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Michael Bezuhly
- Division of Plastic Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
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Furtado LMF, Teles LR, Martins da Costa SADA, de Souza Matos VU, Teixeira NM, Gonçalves CA, Filho JADCV. Systematic Review of the Clinical and Experimental Research Assessing the Effects of Craniosynostosis on the Brain. J Craniofac Surg 2023; 34:1160-1164. [PMID: 36184763 DOI: 10.1097/scs.0000000000009060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/08/2022] [Indexed: 11/25/2022] Open
Abstract
Although neurocognitive impairment has been considered as the main argument for the surgical treatment of craniosynostosis (CS), recent studies reported subtle deficits in neurological function even in operated patients. However, the cause of these deficits remains poorly understood. This systematic review sought to examine the impact of CS on the brain microstructure, mainly on functional connectivity, and comprehensively summarize the clinical and experimental research available on this topic. A systematic review was performed considering the publications of the last 20 years in PubMed and Web of Science, including relevant human and animal studies of the types of brain-microstructure disturbances in CS. Among the 560 papers identified, 11 were selected for analysis. Seven of those were conducted in humans and 4 in animal models. Resting-state functional magnetic resonance imaging, task-based magnetic resonance imaging, and diffusion tensor imaging were the main instruments used to investigate brain connectivity in humans. The main findings were increased connectivity of the posterior segment of cingulum gyri, reduced interconnectivity of the frontal lobes, and reduced diffusivity on diffusion tensor imaging, which were associated with hyperactivity behaviors and poorer performance on neurocognitive tests. Conversely, despite the lack of evidence of brain dysfunction in animal studies, they reported a tendency toward the development of hyperactive behaviors and impairment of neurocognitive function. Skull restriction caused by CS apparently chronically increases the intracranial pressure and produces white matter injuries. The current evidence supports the contention that an early surgical approach could minimize brain-connectivity impairment in this context.
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Affiliation(s)
| | - Lucas R Teles
- Institute of Biological Sciences, Federal University of Minas Gerais
| | | | | | | | - Carlos A Gonçalves
- Neuroscience and Management Science, Federal University of Minas Gerais, Brazil
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5
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Expression of Cre recombinase in chondrocytes causes abnormal craniofacial and skeletal development. Transgenic Res 2022; 31:399-411. [DOI: 10.1007/s11248-022-00308-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 04/07/2022] [Indexed: 10/18/2022]
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6
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Stanton E, Urata M, Chen JF, Chai Y. The clinical manifestations, molecular mechanisms and treatment of craniosynostosis. Dis Model Mech 2022; 15:dmm049390. [PMID: 35451466 PMCID: PMC9044212 DOI: 10.1242/dmm.049390] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Craniosynostosis is a major congenital craniofacial disorder characterized by the premature fusion of cranial suture(s). Patients with severe craniosynostosis often have impairments in hearing, vision, intracranial pressure and/or neurocognitive functions. Craniosynostosis can result from mutations, chromosomal abnormalities or adverse environmental effects, and can occur in isolation or in association with numerous syndromes. To date, surgical correction remains the primary treatment for craniosynostosis, but it is associated with complications and with the potential for re-synostosis. There is, therefore, a strong unmet need for new therapies. Here, we provide a comprehensive review of our current understanding of craniosynostosis, including typical craniosynostosis types, their clinical manifestations, cranial suture development, and genetic and environmental causes. Based on studies from animal models, we present a framework for understanding the pathogenesis of craniosynostosis, with an emphasis on the loss of postnatal suture mesenchymal stem cells as an emerging disease-driving mechanism. We evaluate emerging treatment options and highlight the potential of mesenchymal stem cell-based suture regeneration as a therapeutic approach for craniosynostosis.
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Affiliation(s)
- Eloise Stanton
- Center for Craniofacial Molecular Biology, University of Southern California, Los Angeles, CA 90033, USA
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Mark Urata
- Division of Plastic and Maxillofacial Surgery, Children's Hospital Los Angeles, Los Angeles, CA 90033, USA
| | - Jian-Fu Chen
- Center for Craniofacial Molecular Biology, University of Southern California, Los Angeles, CA 90033, USA
| | - Yang Chai
- Center for Craniofacial Molecular Biology, University of Southern California, Los Angeles, CA 90033, USA
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7
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A Zebrafish Model for a Rare Genetic Disease Reveals a Conserved Role for FBXL3 in the Circadian Clock System. Int J Mol Sci 2022; 23:ijms23042373. [PMID: 35216494 PMCID: PMC8875760 DOI: 10.3390/ijms23042373] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023] Open
Abstract
The circadian clock, which drives a wide range of bodily rhythms in synchrony with the day–night cycle, is based on a molecular oscillator that ticks with a period of approximately 24 h. Timed proteasomal degradation of clock components is central to the fine-tuning of the oscillator’s period. FBXL3 is a protein that functions as a substrate-recognition factor in the E3 ubiquitin ligase complex, and was originally shown in mice to mediate degradation of CRY proteins and thus contribute to the mammalian circadian clock mechanism. By exome sequencing, we have identified a FBXL3 mutation in patients with syndromic developmental delay accompanied by morphological abnormalities and intellectual disability, albeit with a normal sleep pattern. We have investigated the function of FBXL3 in the zebrafish, an excellent model to study both vertebrate development and circadian clock function and, like humans, a diurnal species. Loss of fbxl3a function in zebrafish led to disruption of circadian rhythms of promoter activity and mRNA expression as well as locomotor activity and sleep–wake cycles. However, unlike humans, no morphological effects were evident. These findings point to an evolutionary conserved role for FBXL3 in the circadian clock system across vertebrates and to the acquisition of developmental roles in humans.
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8
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White HE, Goswami A, Tucker AS. The Intertwined Evolution and Development of Sutures and Cranial Morphology. Front Cell Dev Biol 2021; 9:653579. [PMID: 33842480 PMCID: PMC8033035 DOI: 10.3389/fcell.2021.653579] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/08/2021] [Indexed: 12/21/2022] Open
Abstract
Phenotypic variation across mammals is extensive and reflects their ecological diversification into a remarkable range of habitats on every continent and in every ocean. The skull performs many functions to enable each species to thrive within its unique ecological niche, from prey acquisition, feeding, sensory capture (supporting vision and hearing) to brain protection. Diversity of skull function is reflected by its complex and highly variable morphology. Cranial morphology can be quantified using geometric morphometric techniques to offer invaluable insights into evolutionary patterns, ecomorphology, development, taxonomy, and phylogenetics. Therefore, the skull is one of the best suited skeletal elements for developmental and evolutionary analyses. In contrast, less attention is dedicated to the fibrous sutural joints separating the cranial bones. Throughout postnatal craniofacial development, sutures function as sites of bone growth, accommodating expansion of a growing brain. As growth frontiers, cranial sutures are actively responsible for the size and shape of the cranial bones, with overall skull shape being altered by changes to both the level and time period of activity of a given cranial suture. In keeping with this, pathological premature closure of sutures postnatally causes profound misshaping of the skull (craniosynostosis). Beyond this crucial role, sutures also function postnatally to provide locomotive shock absorption, allow joint mobility during feeding, and, in later postnatal stages, suture fusion acts to protect the developed brain. All these sutural functions have a clear impact on overall cranial function, development and morphology, and highlight the importance that patterns of suture development have in shaping the diversity of cranial morphology across taxa. Here we focus on the mammalian cranial system and review the intrinsic relationship between suture development and morphology and cranial shape from an evolutionary developmental biology perspective, with a view to understanding the influence of sutures on evolutionary diversity. Future work integrating suture development into a comparative evolutionary framework will be instrumental to understanding how developmental mechanisms shaping sutures ultimately influence evolutionary diversity.
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Affiliation(s)
- Heather E White
- Department of Life Sciences, Natural History Museum, London, United Kingdom.,Centre for Craniofacial and Regenerative Biology, King's College London, London, United Kingdom.,Division of Biosciences, University College London, London, United Kingdom
| | - Anjali Goswami
- Department of Life Sciences, Natural History Museum, London, United Kingdom.,Division of Biosciences, University College London, London, United Kingdom
| | - Abigail S Tucker
- Centre for Craniofacial and Regenerative Biology, King's College London, London, United Kingdom
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9
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Raterman ST, Metz JR, Wagener FADTG, Von den Hoff JW. Zebrafish Models of Craniofacial Malformations: Interactions of Environmental Factors. Front Cell Dev Biol 2020; 8:600926. [PMID: 33304906 PMCID: PMC7701217 DOI: 10.3389/fcell.2020.600926] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/23/2020] [Indexed: 11/13/2022] Open
Abstract
The zebrafish is an appealing model organism for investigating the genetic (G) and environmental (E) factors, as well as their interactions (GxE), which contribute to craniofacial malformations. Here, we review zebrafish studies on environmental factors involved in the etiology of craniofacial malformations in humans including maternal smoking, alcohol consumption, nutrition and drug use. As an example, we focus on the (cleft) palate, for which the zebrafish ethmoid plate is a good model. This review highlights the importance of investigating ExE interactions and discusses the variable effects of exposure to environmental factors on craniofacial development depending on dosage, exposure time and developmental stage. Zebrafish also promise to be a good tool to study novel craniofacial teratogens and toxin mixtures. Lastly, we discuss the handful of studies on gene–alcohol interactions using mutant sensitivity screens and reverse genetic techniques. We expect that studies addressing complex interactions (ExE and GxE) in craniofacial malformations will increase in the coming years. These are likely to uncover currently unknown mechanisms with implications for the prevention of craniofacial malformations. The zebrafish appears to be an excellent complementary model with high translational value to study these complex interactions.
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Affiliation(s)
- S T Raterman
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands
| | - J R Metz
- Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands
| | - Frank A D T G Wagener
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Johannes W Von den Hoff
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands
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10
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Dambroise E, Ktorza I, Brombin A, Abdessalem G, Edouard J, Luka M, Fiedler I, Binder O, Pelle O, Patton EE, Busse B, Menager M, Sohm F, Legeai-Mallet L. Fgfr3 Is a Positive Regulator of Osteoblast Expansion and Differentiation During Zebrafish Skull Vault Development. J Bone Miner Res 2020; 35:1782-1797. [PMID: 32379366 DOI: 10.1002/jbmr.4042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/09/2020] [Accepted: 04/27/2020] [Indexed: 12/20/2022]
Abstract
Gain or loss-of-function mutations in fibroblast growth factor receptor 3 (FGFR3) result in cranial vault defects highlighting the protein's role in membranous ossification. Zebrafish express high levels of fgfr3 during skull development; in order to study FGFR3's role in cranial vault development, we generated the first fgfr3 loss-of-function zebrafish (fgfr3lof/lof ). The mutant fish exhibited major changes in the craniofacial skeleton, with a lack of sutures, abnormal frontal and parietal bones, and the presence of ectopic bones. Integrated analyses (in vivo imaging and single-cell RNA sequencing of the osteoblast lineage) of zebrafish fgfr3lof/lof revealed a delay in osteoblast expansion and differentiation, together with changes in the extracellular matrix. These findings demonstrate that fgfr3 is a positive regulator of osteogenesis. We conclude that changes in the extracellular matrix within growing bone might impair cell-cell communication, mineralization, and new osteoblast recruitment. © 2020 American Society for Bone and Mineral Research.
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Affiliation(s)
- Emilie Dambroise
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Ivan Ktorza
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Alessandro Brombin
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK.,Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Ghaith Abdessalem
- Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Joanne Edouard
- UMS AMAGEN, CNRS, INRA, Université Paris-Saclay, Gif-sur-Yvette, France.,Institute for Integrative Biology of the Cell (I2BC)-CNRS, Gif-sur-Yvette, France
| | - Marine Luka
- Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Imke Fiedler
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Olivia Binder
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Olivier Pelle
- Flow Cytometry Core Facility, Structure Fédérative de Recherche Necker, INSERM US24/CNRS UMS3633, Paris, France
| | - E Elizabeth Patton
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK.,Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Björn Busse
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Mickaël Menager
- Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
| | - Frederic Sohm
- UMS AMAGEN, CNRS, INRA, Université Paris-Saclay, Gif-sur-Yvette, France.,Institute for Integrative Biology of the Cell (I2BC)-CNRS, Gif-sur-Yvette, France.,Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Flow Cytometry Core Facility, Structure Fédérative de Recherche Necker, INSERM US24/CNRS UMS3633, Paris, France.,Functional Genomics Institute of Lyon, University of Lyon, CNRS, INRA, Ecole Normale Supérieure de Lyon, Lyon, France
| | - Laurence Legeai-Mallet
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, INSERM UMR 1163, Université de Paris, Imagine Institute, Paris, France
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