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Humphreys PEA, Woods S, Bates N, Rooney KM, Mancini FE, Barclay C, O'Flaherty J, Martial FP, Domingos MAN, Kimber SJ. Optogenetic manipulation of BMP signaling to drive chondrogenic differentiation of hPSCs. Cell Rep 2023; 42:113502. [PMID: 38032796 DOI: 10.1016/j.celrep.2023.113502] [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: 06/28/2023] [Revised: 10/23/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023] Open
Abstract
Optogenetics is a rapidly advancing technology combining photochemical, optical, and synthetic biology to control cellular behavior. Together, sensitive light-responsive optogenetic tools and human pluripotent stem cell differentiation models have the potential to fine-tune differentiation and unpick the processes by which cell specification and tissue patterning are controlled by morphogens. We used an optogenetic bone morphogenetic protein (BMP) signaling system (optoBMP) to drive chondrogenic differentiation of human embryonic stem cells (hESCs). We engineered light-sensitive hESCs through CRISPR-Cas9-mediated integration of the optoBMP system into the AAVS1 locus. The activation of optoBMP with blue light, in lieu of BMP growth factors, resulted in the activation of BMP signaling mechanisms and upregulation of a chondrogenic phenotype, with significant transcriptional differences compared to cells in the dark. Furthermore, cells differentiated with light could form chondrogenic pellets consisting of a hyaline-like cartilaginous matrix. Our findings indicate the applicability of optogenetics for understanding human development and tissue engineering.
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Affiliation(s)
- Paul E A Humphreys
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Steven Woods
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Nicola Bates
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Kirsty M Rooney
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Fabrizio E Mancini
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK; Department of Mechanical, Aerospace, and Civil Engineering, Faculty of Science and Engineering, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Cerys Barclay
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Julieta O'Flaherty
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Franck P Martial
- Division of Neuroscience & Experimental Psychology, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Marco A N Domingos
- Department of Mechanical, Aerospace, and Civil Engineering, Faculty of Science and Engineering, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Susan J Kimber
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK.
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Horbaly H, Hubbe M, Sylvester AD, Steadman DW, Auerbach BM. Variation in human limb joint articular morphology. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023; 182:388-400. [PMID: 37702986 DOI: 10.1002/ajpa.24829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 06/08/2023] [Accepted: 07/18/2023] [Indexed: 09/14/2023]
Abstract
OBJECTIVES Synovial joints in human limbs strike a balance between mobility, stability, and articular fit, yet little is known about how these conflicting demands pattern intraspecific variation in articular shape. In this study, we use geometric morphometrics to establish the apportionment and magnitude of morphological variance of the articular surfaces of the human shoulder, elbow, hip, and knee. We hypothesize that variances will be comparable between articulating surfaces within a joint and will be larger in joints with smaller ranges of motion, given their plurality of functional demands. MATERIALS AND METHODS Three-dimensional landmarks were taken on the articular surfaces of the glenohumeral, humeroulnar, acetabulofemoral, and tibiofemoral joints from CT scans of 200 skeletons from the University of Tennessee Donated Skeletal Collection (84 females, 116 males). Root mean-squared distances between articulations calculated from Procrustes shape coordinates were used to determine variance distributions. RESULTS We found no difference in variances for each articular surface between the sexes or between left and right articular surfaces. A high range of motion is associated with greater morphological variance; however, this pattern is largely driven by the concave articular surfaces of each joint, which consistently exhibit statistically greater variance than their convex counterparts. DISCUSSION The striking pattern of differential variance between articulating morphologies points to potential disparities in development between them. Consistently higher variance in concave surfaces may relate to chondral modeling theory for the formation of joints. Establishing intraspecific morphological variance patterns is a first step in understanding coordinated evolution among articular features.
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Affiliation(s)
- Haley Horbaly
- Department of Health and Human Performance, Congdon School of Health Sciences, High Point University, High Point, North Carolina, USA
- Department of Physician Assistant Studies, Congdon School of Health Sciences, High Point University, High Point, North Carolina, USA
| | - Mark Hubbe
- Department of Anthropology, The Ohio State University, Columbus, Ohio, USA
| | - Adam D Sylvester
- Center for Functional Anatomy and Evolution, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Benjamin M Auerbach
- Department of Anthropology, The University of Tennessee, Knoxville, Tennessee, USA
- Department of Ecology and Evolutionary Biology, The University of Tennessee, Knoxville, Tennessee, USA
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Khatib NS, Monsen J, Ahmed S, Huang Y, Hoey DA, Nowlan NC. Mechanoregulatory role of TRPV4 in prenatal skeletal development. SCIENCE ADVANCES 2023; 9:eade2155. [PMID: 36696489 PMCID: PMC9876556 DOI: 10.1126/sciadv.ade2155] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
Biophysical cues are essential for guiding skeletal development, but the mechanisms underlying the mechanical regulation of cartilage and bone formation are unknown. TRPV4 is a mechanically sensitive ion channel involved in cartilage and bone cell mechanosensing, mutations of which lead to skeletal developmental pathologies. We tested the hypothesis that loading-driven prenatal skeletal development is dependent on TRPV4 activity. We first establish that mechanically stimulating mouse embryo hindlimbs cultured ex vivo stimulates knee cartilage growth, morphogenesis, and expression of TRPV4, which localizes to areas of high biophysical stimuli. We then demonstrate that loading-driven joint cartilage growth and shape are dependent on TRPV4 activity, mediated via control of cell proliferation and matrix biosynthesis, indicating a mechanism by which mechanical loading could direct growth and morphogenesis during joint formation. We conclude that mechanoregulatory pathways initiated by TRPV4 guide skeletal development; therefore, TRPV4 is a valuable target for the development of skeletal regenerative and repair strategies.
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Affiliation(s)
- Nidal S. Khatib
- Department of Bioengineering, Imperial College London, London, UK
| | - James Monsen
- Department of Bioengineering, Imperial College London, London, UK
| | - Saima Ahmed
- Department of Bioengineering, Imperial College London, London, UK
| | - Yuming Huang
- Department of Bioengineering, Imperial College London, London, UK
| | - David A. Hoey
- Department of Mechanical, Manufacturing, and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
| | - Niamh C. Nowlan
- Department of Bioengineering, Imperial College London, London, UK
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- School of Mechanical and Materials Engineering, University College Dublin, Dublin, Ireland
- UCD Conway Institute, University College Dublin, Dublin, Ireland
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Godivier J, Lawrence EA, Wang M, Hammond CL, Nowlan NC. Growth orientations, rather than heterogeneous growth rates, dominate jaw joint morphogenesis in the larval zebrafish. J Anat 2022; 241:358-371. [PMID: 35510779 PMCID: PMC9296026 DOI: 10.1111/joa.13680] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022] Open
Abstract
In early limb embryogenesis, synovial joints acquire specific shapes which determine joint motion and function. The process by which the opposing cartilaginous joint surfaces are moulded into reciprocal and interlocking shapes, called joint morphogenesis, is one of the least understood aspects of joint formation and the cell-level dynamics underlying it are yet to be unravelled. In this research, we quantified key cellular dynamics involved in growth and morphogenesis of the zebrafish jaw joint and synthesised them in a predictive computational simulation of joint development. Cells in larval zebrafish jaw joints labelled with cartilage markers were tracked over a 48-h time window using confocal imaging. Changes in distance and angle between adjacent cell centroids resulting from cell rearrangement, volume expansion and extracellular matrix (ECM) deposition were measured and used to calculate the rate and direction of local tissue deformations. We observed spatially and temporally heterogeneous growth patterns with marked anisotropy over the developmental period assessed. There was notably elevated growth at the level of the retroarticular process of the Meckel's cartilage, a feature known to undergo pronounced shape changes during zebrafish development. Analysis of cell dynamics indicated a dominant role for cell volume expansion in growth, with minor influences from ECM volume increases and cell intercalation. Cell proliferation in the joint was minimal over the timeframe of interest. Synthesising the dynamic cell data into a finite element model of jaw joint development resulted in accurate shape predictions. Our biofidelic computational simulation demonstrated that zebrafish jaw joint growth can be reasonably approximated based on cell positional information over time, where cell positional information derives mainly from cell orientation and cell volume expansion. By modifying the input parameters of the simulation, we were able to assess the relative contributions of heterogeneous growth rates and of growth orientation. The use of uniform rather than heterogeneous growth rates only minorly impacted the shape predictions, whereas isotropic growth fields resulted in altered shape predictions. The simulation results suggest that growth anisotropy is the dominant influence on joint growth and morphogenesis. This study addresses the gap of the cellular processes underlying joint morphogenesis, with implications for understanding the aetiology of developmental joint disorders such as developmental dysplasia of the hip and arthrogryposis.
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Affiliation(s)
| | | | | | | | - Niamh C. Nowlan
- Imperial College LondonLondonUnited Kingdom,University College DublinDublinIreland
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Liu Q, Yang H, Zhang M, Zhang J, Lu L, Yu S, Wu Y, Wang M. Initiation and progression of dental-stimulated temporomandibular joints osteoarthritis. Osteoarthritis Cartilage 2021; 29:633-642. [PMID: 33422706 DOI: 10.1016/j.joca.2020.12.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/14/2020] [Accepted: 12/22/2020] [Indexed: 02/02/2023]
Abstract
Temporomandibular joint (TMJ), a site that is often impacted by osteoarthritis (OA), is biomechanically linked with dental occlusion. Tissue responses in TMJ condyle to biomechanical stimulation could be investigated by intervention of the dental occlusion in animals. Unilateral anterior crossbite, an experimental malocclusion, has been demonstrated to induce TMJ-OA lesions, showing primarily as enhanced cartilage calcification and subchondral cortical bone formation at the osteochondral interface, causing the osteochondral interface thickening and stiffening. The changed interface would worsen the local biomechanical environment. At the cartilage side, the matrix degenerates. In the case of insufficient restoration of the matrix, the cells in the deep zone flow into the ones undergoing autophagy, apoptosis, and terminal differentiation while the cells in the superficial zone are promoted to differentiate to supply the loss of the deep zone cells. At the meantime, the bone marrow stromal cells are stimulated to bone formation in the subchondral cortical region which is uncoupled with the sites of the osteoclast-mediated resorption process that is predominantly observed at the subchondral trabecular bone region. Overall, the thickening and stiffening osteochondral interface, due greatly to the enhanced endochondral ossification in deep zone cartilage, should be a central pathological process that links with cartilage decay and subchondral bone remodelling in OA joints. The residual chondrocytes locating in the cartilage superficial zone have the progenitor-like qualities that can proliferate, and also differentiate into the deep zone chondrocytes, thus should be critical in progression and rehabilitation of TMJ-OA.
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Affiliation(s)
- Q Liu
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - H Yang
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - M Zhang
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - J Zhang
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - L Lu
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - S Yu
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China
| | - Y Wu
- Institute of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, Shananxi, China
| | - M Wang
- The Key Laboratory of Military Stomatology of State and the National Clinical Research Center for Oral Diseases, Department of Oral Anatomy and Physiology and Clinic of Temporomandibular Joint Disorders and Oral and Maxillofacial Pain, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shananxi, China.
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