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Schmid T, Wegener F, Hotfiel T, Hoppe MW. Moderate evidence exists for four microRNAs as potential biomarkers for tendinopathies and degenerative tendon ruptures at the upper extremity in elderly patients: conclusion of a systematic review with best-evidence synthesis. J Exp Orthop 2023; 10:81. [PMID: 37563331 PMCID: PMC10415244 DOI: 10.1186/s40634-023-00645-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 07/22/2023] [Indexed: 08/12/2023] Open
Abstract
PURPOSE The aim of this systematic review was to investigate tendon-specific microRNAs (miRNAs) as biomarkers for the detection of tendinopathies or degenerative tendon ruptures. Also, their regulatory mechanisms within the tendon pathophysiology were summarized. METHODS A systematic literature research was performed using the PRISMA guidelines. The search was conducted in the Pubmed database. The SIGN checklist was used to assess the study quality of the included original studies. To determine the evidence and direction of the miRNA expression rates, a best-evidence synthesis was carried out, whereby only studies with at least a borderline methodological quality were considered for validity purposes. RESULTS Three thousand three hundred seventy studies were reviewed from which 22 fulfilled the inclusion criteria. Moderate evidence was found for miR-140-3p and miR-425-5p as potential biomarkers for tendinopathies as well as for miR-25-3p, miR-29a-3p, miR-140-3p, and miR-425-5p for the detection of degenerative tendon ruptures. This evidence applies to tendons at the upper extremity in elderly patients. All miRNAs were associated with inflammatory cytokines as interleukin-6 or interleukin-1ß and tumor necrosis factor alpha. CONCLUSIONS Moderate evidence exists for four miRNAs as potential biomarkers for tendinopathies and degenerative tendon ruptures at the upper extremity in elderly patients. The identified miRNAs are associated with inflammatory processes.
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Affiliation(s)
- Tristan Schmid
- Movement and Training Science, Leipzig University, Jahnallee 59, 04109, Leipzig, Germany.
| | - Florian Wegener
- Movement and Training Science, Leipzig University, Jahnallee 59, 04109, Leipzig, Germany
| | - Thilo Hotfiel
- Center for Musculoskeletal Surgery Osnabrück (OZMC), Klinikum Osnabrück, Am Finkenhügel 1, 49076, Osnabrueck, Germany
| | - Matthias W Hoppe
- Movement and Training Science, Leipzig University, Jahnallee 59, 04109, Leipzig, Germany
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2
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Huston P. A Sedentary and Unhealthy Lifestyle Fuels Chronic Disease Progression by Changing Interstitial Cell Behaviour: A Network Analysis. Front Physiol 2022; 13:904107. [PMID: 35874511 PMCID: PMC9304814 DOI: 10.3389/fphys.2022.904107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
Managing chronic diseases, such as heart disease, stroke, diabetes, chronic lung disease and Alzheimer’s disease, account for a large proportion of health care spending, yet they remain in the top causes of premature mortality and are preventable. It is currently accepted that an unhealthy lifestyle fosters a state of chronic low-grade inflammation that is linked to chronic disease progression. Although this is known to be related to inflammatory cytokines, how an unhealthy lifestyle causes cytokine release and how that in turn leads to chronic disease progression are not well known. This article presents a theory that an unhealthy lifestyle fosters chronic disease by changing interstitial cell behavior and is supported by a six-level hierarchical network analysis. The top three networks include the macroenvironment, social and cultural factors, and lifestyle itself. The fourth network includes the immune, autonomic and neuroendocrine systems and how they interact with lifestyle factors and with each other. The fifth network identifies the effects these systems have on the microenvironment and two types of interstitial cells: macrophages and fibroblasts. Depending on their behaviour, these cells can either help maintain and restore normal function or foster chronic disease progression. When macrophages and fibroblasts dysregulate, it leads to chronic low-grade inflammation, fibrosis, and eventually damage to parenchymal (organ-specific) cells. The sixth network considers how macrophages change phenotype. Thus, a pathway is identified through this hierarchical network to reveal how external factors and lifestyle affect interstitial cell behaviour. This theory can be tested and it needs to be tested because, if correct, it has profound implications. Not only does this theory explain how chronic low-grade inflammation causes chronic disease progression, it also provides insight into salutogenesis, or the process by which health is maintained and restored. Understanding low-grade inflammation as a stalled healing process offers a new strategy for chronic disease management. Rather than treating each chronic disease separately by a focus on parenchymal pathology, a salutogenic strategy of optimizing interstitial health could prevent and mitigate multiple chronic diseases simultaneously.
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Affiliation(s)
- Patricia Huston
- Department of Family Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Institut du Savoir Montfort (Research), University of Ottawa, Ottawa, ON, Canada
- *Correspondence: Patricia Huston, , orcid.org/0000-0002-2927-1176
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Palmquist-Gomes P, Marín-Sedeño E, Ruiz-Villalba A, Rico-Llanos GA, Pérez-Pomares JM, Guadix JA. In Vivo and In Vitro Cartilage Differentiation from Embryonic Epicardial Progenitor Cells. Int J Mol Sci 2022; 23:ijms23073614. [PMID: 35408974 PMCID: PMC8999123 DOI: 10.3390/ijms23073614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
The presence of cartilage tissue in the embryonic and adult hearts of different vertebrate species is a well-recorded fact. However, while the embryonic neural crest has been historically considered as the main source of cardiac cartilage, recently reported results on the wide connective potential of epicardial lineage cells suggest they could also differentiate into chondrocytes. In this work, we describe the formation of cardiac cartilage clusters from proepicardial cells, both in vivo and in vitro. Our findings report, for the first time, cartilage formation from epicardial progenitor cells, and strongly support the concept of proepicardial cells as multipotent connective progenitors. These results are relevant to our understanding of cardiac cell complexity and the responses of cardiac connective tissues to pathologic stimuli.
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Affiliation(s)
- Paul Palmquist-Gomes
- Department of Animal Biology, Faculty of Sciences, Campus de Teatinos s/n, Instituto Malagueño de Biomedicina (IBIMA), University of Málaga, 29080 Malaga, Spain; (P.P.-G.); (E.M.-S.); (A.R.-V.)
- Centro Andaluz de Nanomedicina y Biotecnología (BIONAND), Universidad de Malaga, c/Severo Ochoa 25, Campanillas, Junta de Andalucía, 29590 Malaga, Spain
| | - Ernesto Marín-Sedeño
- Department of Animal Biology, Faculty of Sciences, Campus de Teatinos s/n, Instituto Malagueño de Biomedicina (IBIMA), University of Málaga, 29080 Malaga, Spain; (P.P.-G.); (E.M.-S.); (A.R.-V.)
- Centro Andaluz de Nanomedicina y Biotecnología (BIONAND), Universidad de Malaga, c/Severo Ochoa 25, Campanillas, Junta de Andalucía, 29590 Malaga, Spain
| | - Adrián Ruiz-Villalba
- Department of Animal Biology, Faculty of Sciences, Campus de Teatinos s/n, Instituto Malagueño de Biomedicina (IBIMA), University of Málaga, 29080 Malaga, Spain; (P.P.-G.); (E.M.-S.); (A.R.-V.)
- Centro Andaluz de Nanomedicina y Biotecnología (BIONAND), Universidad de Malaga, c/Severo Ochoa 25, Campanillas, Junta de Andalucía, 29590 Malaga, Spain
| | - Gustavo Adolfo Rico-Llanos
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Malaga, Spain;
- Department of Cell Biology, Genetics and Physiology, IBIMA, University of Malaga, 29016 Malaga, Spain
| | - José María Pérez-Pomares
- Department of Animal Biology, Faculty of Sciences, Campus de Teatinos s/n, Instituto Malagueño de Biomedicina (IBIMA), University of Málaga, 29080 Malaga, Spain; (P.P.-G.); (E.M.-S.); (A.R.-V.)
- Centro Andaluz de Nanomedicina y Biotecnología (BIONAND), Universidad de Malaga, c/Severo Ochoa 25, Campanillas, Junta de Andalucía, 29590 Malaga, Spain
- Correspondence: (J.M.P.-P.); (J.A.G.)
| | - Juan Antonio Guadix
- Department of Animal Biology, Faculty of Sciences, Campus de Teatinos s/n, Instituto Malagueño de Biomedicina (IBIMA), University of Málaga, 29080 Malaga, Spain; (P.P.-G.); (E.M.-S.); (A.R.-V.)
- Centro Andaluz de Nanomedicina y Biotecnología (BIONAND), Universidad de Malaga, c/Severo Ochoa 25, Campanillas, Junta de Andalucía, 29590 Malaga, Spain
- Correspondence: (J.M.P.-P.); (J.A.G.)
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4
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Pyszko M, Němeček P, Horák O, Páral V, Kotrba R, Hoffman LC, Robovský J. Newly described anatomical opening on forelimb tendon in the artiodactyls and its relation to knee clicks. Sci Rep 2022; 12:4362. [PMID: 35288610 PMCID: PMC8921199 DOI: 10.1038/s41598-022-08303-z] [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: 07/14/2021] [Accepted: 03/03/2022] [Indexed: 11/09/2022] Open
Abstract
To understand which morphological/anatomical parts may be responsible in artiodactyl ungulates for the clicking sound made when moving, this research focuses on the forelimb tendon apparatus where an undescribed opening in the fibrous cuff (manica flexoria), called hereafter for its shape as an “oval window” in the manica flexoria (OWMF), was detected. This oval window was found in 24 of the 25 species of four families (Camelidae, Giraffidae, Cervidae, and Bovidae) evaluated; the exception being in Bos taurus taurus (Domestic cattle). The length and width of the OWMF enabled correct species discrimination between the majority of species, but remained conservative intraspecifically, as it did not differ between the left and right side of the forelimb, third and fourth digits, or between sexes. When evaluating the shape of OWMF in individual species, and measuring its length and width, 18 out of the 24 species investigated had this window as an oval shape, the remaining 25% of species exhibited more oval-oblong shapes with either proximal or distal asymmetry. The function of the OWMF in the thoracic autopodium of most ruminant even-toed ungulates is not yet fully understood. Its most likely function is to help balance the pressure inside the ligament cuff and reduce the friction of the touching surfaces of the muscle tendons—thus facilitating the movement of the digits when walking. None of the absolute or relative OWMF parameters fit exclusively with the occurrence and distribution of knee-clicks produced by some bovids and cervids during movement, so the mechanism responsible for this sound remains cryptic from the present anatomical perspective.
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Affiliation(s)
- Martin Pyszko
- Department of Anatomy, Histology & Embryology, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Palackého třída 1946/1, 612 42, Brno, Czech Republic
| | - Petr Němeček
- Jiří Orten Grammar School, Jaselská 932, 284 80, Kutná Hora, Czech Republic.
| | - Ondřej Horák
- Department of Anatomy, Histology & Embryology, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Palackého třída 1946/1, 612 42, Brno, Czech Republic
| | - Václav Páral
- Department of Anatomy, Histology & Embryology, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Palackého třída 1946/1, 612 42, Brno, Czech Republic
| | - Radim Kotrba
- Department of Ethology, Institute of Animal Science, 104 00, Prague 10 - Uhříněves, Czech Republic.,Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha 6 - Suchdol, Czech Republic
| | - Louwrens C Hoffman
- Department of Animal Sciences, University of Stellenbosch, Matieland, Private Bag X1, Stellenbosch, 7602, South Africa.,Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Digital Agricultural Building, 8115, Office 110, Gatton, 4343, Australia
| | - Jan Robovský
- Department of Zoology, Faculty of Science, University of South Bohemia, Branišovská 1760, 370 05, České Budějovice, Czech Republic. .,Liberec Zoo, Lidové sady 425/1, 460 01, Liberec, Czech Republic.
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Lorda-Diez CI, Duarte-Olivenza C, Hurle JM, Montero JA. Transforming growth factor beta signaling: The master sculptor of fingers. Dev Dyn 2021; 251:125-136. [PMID: 33871876 DOI: 10.1002/dvdy.349] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 04/09/2021] [Accepted: 04/15/2021] [Indexed: 12/23/2022] Open
Abstract
Transforming growth factor beta (TGFβ) constitutes a large and evolutionarily conserved superfamily of secreted factors that play essential roles in embryonic development, cancer, tissue regeneration, and human degenerative pathology. Studies of this signaling cascade in the regulation of cellular and tissue changes in the three-dimensional context of a developing embryo have notably advanced in the understanding of the action mechanism of these growth factors. In this review, we address the role of TGFβ signaling in the developing limb, focusing on its essential function in the morphogenesis of the autopod. As we discuss in this work, modern mouse genetic experiments together with more classical embryological approaches in chick embryos, provided very valuable information concerning the role of TGFβ and Activin family members in the morphogenesis of the digits of tetrapods, including the formation of phalanxes, digital tendons, and interphalangeal joints. We emphasize the importance of the Activin and TGFβ proteins as digit inducing factors and their critical interaction with the BMP signaling to sculpt the hand and foot morphology.
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Affiliation(s)
- Carlos I Lorda-Diez
- Departamento de Anatomía y Biología Celular and IDIVAL, Universidad de Cantabria, Santander, Spain
| | - Cristina Duarte-Olivenza
- Departamento de Anatomía y Biología Celular and IDIVAL, Universidad de Cantabria, Santander, Spain
| | - Juan M Hurle
- Departamento de Anatomía y Biología Celular and IDIVAL, Universidad de Cantabria, Santander, Spain
| | - Juan A Montero
- Departamento de Anatomía y Biología Celular and IDIVAL, Universidad de Cantabria, Santander, Spain
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Lorda‐Diez C, Montero J, Sanchez‐Fernandez C, Garcia‐Porrero J, Chimal‐Monroy J, Hurle J. Four and a half domain 2 (FHL2) scaffolding protein is a marker of connective tissues of developing digits and regulates fibrogenic differentiation of limb mesodermal progenitors. J Tissue Eng Regen Med 2018; 12:e2062-e2072. [DOI: 10.1002/term.2637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 11/13/2017] [Accepted: 01/02/2018] [Indexed: 01/22/2023]
Affiliation(s)
- C.I. Lorda‐Diez
- Departamento de Anatomía y Biología Celular and IDIVAL, Facultad de MedicinaUniversidad de Cantabria Santander Spain
| | - J.A. Montero
- Departamento de Anatomía y Biología Celular and IDIVAL, Facultad de MedicinaUniversidad de Cantabria Santander Spain
| | - C. Sanchez‐Fernandez
- Departamento de Anatomía y Biología Celular and IDIVAL, Facultad de MedicinaUniversidad de Cantabria Santander Spain
| | - J.A. Garcia‐Porrero
- Departamento de Anatomía y Biología Celular and IDIVAL, Facultad de MedicinaUniversidad de Cantabria Santander Spain
| | - J. Chimal‐Monroy
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México, Ciudad Universitaria Ciudad de Mexico Mexico
| | - J.M. Hurle
- Departamento de Anatomía y Biología Celular and IDIVAL, Facultad de MedicinaUniversidad de Cantabria Santander Spain
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7
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Sugimoto K, Isomoto S, Samoto N, Okahashi K, Araki M. Recent Developments in the Treatment of Ankle and Subtalar Instability. Open Orthop J 2017; 11:687-696. [PMID: 28979582 PMCID: PMC5620400 DOI: 10.2174/1874325001711010687] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 07/22/2016] [Accepted: 07/23/2016] [Indexed: 11/25/2022] Open
Abstract
It was nearly a centenary ago that severe ankle sprain was recognized as an injury of the ankle ligament(s). With the recent technological advances and tools in imaging and surgical procedures, the management of ankle sprains - including subtalar injuries - has drastically improved. The repair or reconstruction of ankle ligaments is getting more anatomical and less invasive than previously. More specifically, ligamentous reconstruction with tendon graft has been the gold standard in the management of severely damaged ligament, however, it does not reproduce the original ultrastructure of the ankle ligaments. The anatomical ligament structure of a ligament comprises a ligament with enthesis at both ends and the structure should also exhibit proprioceptive function. To date, it remains impossible to reconstruct a functionally intact and anatomical ligament. Cooperation of the regenerative medicine and surgical technology in expected to improve reconstructions of the ankle ligament, however, we need more time to develop a technology in reproducing the ideal ligament complex.
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Affiliation(s)
- Kazuya Sugimoto
- Department of Orthopaedic Surgery, Nara Prefectural General Medical Center, Nara, Japan
| | - Shinji Isomoto
- Department of Orthopaedic Surgery, Nara Prefectural General Medical Center, Nara, Japan
| | - Norihiro Samoto
- Department of Orthopaedic Surgery, Nara Prefectural General Medical Center, Nara, Japan
| | - Koujirou Okahashi
- Department of Orthopaedic Surgery, Saiseikai Nara Hospital, Nara, Japan
| | - Masasuke Araki
- Developmental Neurobiology Laboratory, Dept. of Biology, Nara Women's Uuniversity, Nara, Japan
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The tumor suppressor BTG1 is expressed in the developing digits and regulates skeletogenic differentiation of limb mesodermal progenitors in high density cultures. Cell Tissue Res 2015; 364:299-308. [PMID: 26662056 DOI: 10.1007/s00441-015-2331-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 11/11/2015] [Indexed: 01/07/2023]
Abstract
In the developing limb, differentiation of skeletal progenitors towards distinct connective tissues of the digits is correlated with the establishment of well-defined domains of Btg1 gene expression. Zones of high expression of Btg1 include the earliest digit blastemas, the condensing mesoderm at the tip of the growing digits, the peritendinous mesenchyme, and the chondrocytes around the developing interphalangeal joints. Gain- and loss-of function experiments in micromass cultures of skeletal progenitors reveal a negative influence of Btg1 in cartilage differentiation accompanied by up-regulation of Ccn1, Scleraxis and PTHrP. Previous studies have assigned a role to these factors in the aggregation of progenitors in the digit tips (Ccn1), in the differentiation of tendon blastemas (Scleraxis) and repressing hypertrophic cartilage differentiation (PTHrP). Overexpression of Btg1 up-regulates the expression of retinoic acid and thyroid hormone receptors, but, different from other systems, the influence of BTG1 in connective tissue differentiation appears to be independent of retinoic acid and thyroid hormone signaling.
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9
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Son MS, Levenston ME. Quantitative tracking of passage and 3D culture effects on chondrocyte and fibrochondrocyte gene expression. J Tissue Eng Regen Med 2015; 11:1185-1194. [PMID: 25824488 DOI: 10.1002/term.2022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 02/12/2015] [Accepted: 02/18/2015] [Indexed: 11/11/2022]
Abstract
Success in cartilage and fibrocartilage tissue engineering relies heavily on using an appropriate cell source. Many different cell sources have been identified, including primary and stem cells, along with experimental strategies to obtain the required number of cells or to induce chondrogenesis. However, no definitive method exists to quantitatively evaluate the similarity of the resulting cell phenotypes to those of the native cells between candidate strategies. In this study, we develop an integrative approach to enable such evaluations by deriving, from gene expression profiles, two quantitative metrics representing the nearest location within the range of native cell phenotypes and the deviation from it. As an example application to evaluating potential cell sources for cartilage or meniscus tissue engineering, we examine phenotypic changes of juvenile and adult articular chondrocytes and fibrochondrocytes across multiple passages and subsequent 3D culture. A substantial change was observed in cell phenotype due to the isolation process itself, followed by a clear progression toward the outer meniscal cell phenotype with passage. The new metrics also indicated that 3D culture moderately reduced the passage-induced deviation from the native meniscal phenotypes for juvenile chondrocytes and adult fibrochondrocytes, which was not obvious through examination of individual gene expressions. However, brief 3D culture alone did not move any of the cells towards an inner meniscal phenotype, the most relevant target for meniscal tissue engineering. This integrative approach of examining and combining multiple gene expressions can be used to evaluate various other tissue-engineering strategies to direct cells toward the desired phenotype. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Min-Sun Son
- Department of Bioengineering, Stanford University, CA, USA
| | - Marc E Levenston
- Department of Mechanical Engineering, Stanford University, CA, USA
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Lorda-Diez CI, García-Porrero JA, Hurlé JM, Montero JA. Decorin gene expression in the differentiation of the skeletal connective tissues of the developing limb. Gene Expr Patterns 2014; 15:52-60. [DOI: 10.1016/j.gep.2014.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/09/2014] [Accepted: 04/11/2014] [Indexed: 11/28/2022]
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11
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Lorda-Diez CI, Montero JA, Choe S, Garcia-Porrero JA, Hurle JM. Ligand- and stage-dependent divergent functions of BMP signaling in the differentiation of embryonic skeletogenic progenitors in vitro. J Bone Miner Res 2014; 29:735-48. [PMID: 24038612 DOI: 10.1002/jbmr.2077] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 07/16/2013] [Accepted: 08/02/2013] [Indexed: 12/21/2022]
Abstract
Bone morphogenetic proteins (BMPs) are key molecules in the differentiation of skeletal tissues. We have investigated whether differentiation of limb embryonic mesodermal progenitors into different connective tissue lineages depends on specific stimulation of distinct BMP ligands or on the differential response of target cells to a common BMP stimulus. We show that Bmp2,4,5,7 and Gdf5 exhibit differential expression domains during the formation of tendons, cartilages, and joint tissues in digit development, but their respective effects on digit progenitors cell cultures cannot sustain the divergent differentiation of these cells into tendons, joints, and cartilage. However, the influence of BMPs differs based on the culture length. Early cultures respond to any of the BMPs by inducing chondrogenic factors and inhibiting fibrogenic and osteogenic markers. Later, a second phase of the culture occurs when BMPs attenuate their prochondrogenic influence and promote the fibrogenic marker Scleraxis. At advanced culture stages, BMPs inhibit prochondrogenic and profibrogenic markers and promote osteogenic markers. The switch from the prochondrogenic to the profibrogenic response appears critically dependent on the basal expression of Noggin. Thus, the differential regulation of Scleraxis at these stages was abrogated by treatments with a BMP-analogous compound (AB204) that escapes NOGGIN antagonism. Gene regulation experiments in absence of protein synthesis during the first period of culture indicate that BMPs activate at the same time master chondrogenic and fibrogenic genes together with cofactors responsible for driving the signaling cascade toward chondrogenesis or fibrogenesis. Gene-silencing experiments indicate that Id2 is one of the factors limiting the profibrogenic influence of BMPs. We propose that connective tissues are dynamic structures composed of cartilage, fibrous tissue, and bone that form in successive steps from the differentiation of common progenitors. This sequential differentiation is regulated by BMPs through a process that is dependent on the basal expression of BMP cofactors or signaling modulators.
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Affiliation(s)
- Carlos I Lorda-Diez
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
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Lorda-Diez CI, Canga-Villegas A, Cerezal L, Plaza S, Hurlé JM, García-Porrero JA, Montero JA. Comparative transcriptional analysis of three human ligaments with distinct biomechanical properties. J Anat 2013; 223:593-602. [PMID: 24128114 DOI: 10.1111/joa.12124] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/12/2013] [Indexed: 11/28/2022] Open
Abstract
One major aim of regenerative medicine targeting the musculoskeletal system is to provide complementary and/or alternative therapeutic approaches to current surgical therapies, often involving the removal and prosthetic substitution of damaged tissues such as ligaments. For these approaches to be successful, detailed information regarding the cellular and molecular composition of different musculoskeletal tissues is required. Ligaments have often been considered homogeneous tissues with common biomechanical properties. However, advances in tissue engineering research have highlighted the functional relevance of the organisational and compositional differences between ligament types, especially in those with higher risks of injury. The aim of this study was to provide information concerning the relative expression levels of a subset of key genes (including extracellular matrix components, transcription factors and growth factors) that confer functional identity to ligaments. We compared the transcriptomes of three representative human ligaments subjected to different biomechanical demands: the anterior cruciate ligament (ACL); the ligamentum teres of the hip (LT); and the iliofemoral ligament (IL). We revealed significant differences in the expression of type I collagen, elastin, fibromodulin, biglycan, transforming growth factor β1, transforming growth interacting factor 1, hypoxia-inducible factor 1-alpha and transforming growth factor β-induced gene between the IL and the other two ligaments. Thus, considerable molecular heterogeneity can exist between anatomically distinct ligaments with differing biomechanical demands. However, the LT and ACL were found to show remarkable molecular homology, suggesting common functional properties. This finding provides experimental support for the proposed role of the LT as a hip joint stabiliser in humans.
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13
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Lorda-Diez CI, Montero JA, Rodriguez-Leon J, Garcia-Porrero JA, Hurle JM. Expression and functional study of extracellular BMP antagonists during the morphogenesis of the digits and their associated connective tissues. PLoS One 2013; 8:e60423. [PMID: 23573253 PMCID: PMC3616094 DOI: 10.1371/journal.pone.0060423] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 02/26/2013] [Indexed: 12/18/2022] Open
Abstract
The purpose of this study is to gain insight into the role of BMP signaling in the diversification of the embryonic limb mesodermal progenitors destined to form cartilage, joints, and tendons. Given the importance of extracellular BMP modulators in in vivo systems, we performed a systematic search of those expressed in the developing autopod during the formation of the digits. Here, we monitored the expression of extracellular BMP modulators including: Noggin, Chordin, Chordin-like 1, Chordin-like 2, Twisted gastrulation, Dan, BMPER, Sost, Sostdc1, Follistatin, Follistatin-like 1, Follistatin-like 5 and Tolloid. These factors show differential expression domains in cartilage, joints and tendons. Furthermore, they are induced in specific temporal patterns during the formation of an ectopic extra digit, preceding the appearance of changes that are identifiable by conventional histology. The analysis of gene regulation, cell proliferation and cell death that are induced by these factors in high density cultures of digit progenitors provides evidence of functional specialization in the control of mesodermal differentiation but not in cell proliferation or apoptosis. We further show that the expression of these factors is differentially controlled by the distinct signaling pathways acting in the developing limb at the stages covered by this study. In addition, our results provide evidence suggesting that TWISTED GASTRULATION cooperates with CHORDINS, BMPER, and NOGGIN in the establishment of tendons or cartilage in a fashion that is dependent on the presence or absence of TOLLOID.
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Affiliation(s)
- Carlos I. Lorda-Diez
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
| | - Juan A. Montero
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
| | | | - Juan A. Garcia-Porrero
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
| | - Juan M. Hurle
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
- * E-mail:
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14
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Lorda-Diez CI, Montero JA, Diaz-Mendoza MJ, Garcia-Porrero JA, Hurle JM. βig-h3 potentiates the profibrogenic effect of TGFβ signaling on connective tissue progenitor cells through the negative regulation of master chondrogenic genes. Tissue Eng Part A 2012; 19:448-57. [PMID: 22924741 DOI: 10.1089/ten.tea.2012.0188] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Tendons and cartilage are specialized forms of connective tissues originated from common progenitor cells. Initial stages of differentiation of these tissues are characterized by the formation of cell aggregates, which share many molecular markers. Once differentiated, these cells retain considerable plasticity, and chondral metaplasia of tendon and fibrous connective tissues and eventual ossification often accompany degenerative diseases in the adult musculoskeletal system. While this fact is of great relevance for regenerative medicine and aging biology, its molecular basis remains to be elucidated. Gene expression analysis in several physiological and experimental paradigms suggests that differentiation of tendon and cartilage is regulated by a balance in the expression of chondrogenic versus tenogenic genes in the connective tissue cell precursors. Transforming growth factor β (TGFβ) may function both as a profibrogenic or as a prochondrogenic factor for embryonic limb mesoderm and mesenchymal stem cell cultures, but mice that are null for TGFβ 2 and 3 lack tendons. Here, we identify βig-h3 as a factor downstream TGFβ signaling regulated by Smad 2 and 3, which is highly expressed in the differentiating tendons and joint capsules. Furthermore, gain- and loss-of-function experiments using limb mesoderm micromass cultures show that βig-h3 downregulates the expression of cartilage master genes, including Sox9, type II collagen, and Hif-1α. Positive regulation of Sox9 and type II Collagen observed in micromass cultures grown under hypoxic conditions is prevented by exogenous administration of βIG-H3, and the antichondrogenic influence of βIG-H3 is lost after Hif-1α silencing with shRNA. Collectively, our findings indicate that βig-h3 promotes the fibrogenic influence of TGFβ signaling, neutralizing the prochondrogenic influence of the hypoxic-inducible factor 1 activated by the hypoxic microenvironment characteristic of limb mesenchymal aggregates.
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Affiliation(s)
- Carlos I Lorda-Diez
- Departamento de Anatomía y Biología Celular and IFIMAV, Universidad de Cantabria, Santander, Spain
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15
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Nixon AJ, Watts AE, Schnabel LV. Cell- and gene-based approaches to tendon regeneration. J Shoulder Elbow Surg 2012; 21:278-94. [PMID: 22244071 DOI: 10.1016/j.jse.2011.11.015] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 11/14/2011] [Accepted: 11/15/2011] [Indexed: 02/06/2023]
Abstract
Repair of rotator cuff tears in experimental models has been significantly improved by the use of enhanced biologic approaches, including platelet-rich plasma, bone marrow aspirate, growth factor supplements, and cell- and gene-modified cell therapy. Despite added complexity, cell-based therapies form an important part of enhanced repair, and combinations of carrier vehicles, growth factors, and implanted cells provide the best opportunity for robust repair. Bone marrow-derived mesenchymal stem cells provide a stimulus for repair in flexor tendons, but application in rotator cuff repair has not shown universally positive results. The use of scaffolds such as platelet-rich plasma, fibrin, and synthetic vehicles and the use of gene priming for stem cell differentiation and local anabolic and anti-inflammatory impact have both provided essential components for enhanced tendon and tendon-to-bone repair in rotator cuff disruption. Application of these research techniques in human rotator cuff injury has generally been limited to autologous platelet-rich plasma, bone marrow concentrate, or bone marrow aspirates combined with scaffold materials. Cultured mesenchymal progenitor therapy and gene-enhanced function have not yet reached clinical trials in humans. Research in several animal species indicates that the concept of gene-primed stem cells, particularly embryonic stem cells, combined with effective culture conditions, transduction with long-term integrating vectors carrying anabolic growth factors, and development of cells conditioned by use of RNA interference gene therapy to resist matrix metalloproteinase degradation, may constitute potential advances in rotator cuff repair. This review summarizes cell- and gene-enhanced cell research for tendon repair and provides future directions for rotator cuff repair using biologic composites.
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Affiliation(s)
- Alan J Nixon
- Comparative Orthopaedics Laboratory, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
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16
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Defining the earliest transcriptional steps of chondrogenic progenitor specification during the formation of the digits in the embryonic limb. PLoS One 2011; 6:e24546. [PMID: 21931747 PMCID: PMC3172225 DOI: 10.1371/journal.pone.0024546] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Accepted: 08/12/2011] [Indexed: 12/12/2022] Open
Abstract
The characterization of genes involved in the formation of cartilage is of key importance to improve cell-based cartilage regenerative therapies. Here, we have developed a suitable experimental model to identify precocious chondrogenic events in vivo by inducing an ectopic digit in the developing embryo. In this model, only 12 hr after the implantation of a Tgfβ bead, in the absence of increased cell proliferation, cartilage forms in undifferentiated interdigital mesoderm and in the course of development, becomes a structurally and morphologically normal digit. Systematic quantitative PCR expression analysis, together with other experimental approaches allowed us to establish 3 successive periods preceding the formation of cartilage. The “pre-condensation stage”, occurring within the first 3 hr of treatment, is characterized by the activation of connective tissue identity transcriptional factors (such as Sox9 and Scleraxis) and secreted factors (such as Activin A and the matricellular proteins CCN-1 and CCN-2) and the downregulation of the galectin CG-8. Next, the “condensation stage” is characterized by intense activation of Smad 1/5/8 BMP-signaling and increased expression of extracellular matrix components. During this period, the CCN matricellular proteins promote the expression of extracellular matrix and cell adhesion components. The third period, designated the “pre-cartilage period”, precedes the formation of molecularly identifiable cartilage by 2–3 hr and is characterized by the intensification of Sox 9 gene expression, along with the stimulation of other pro-chondrogenic transcription factors, such as HifIa. In summary, this work establishes a temporal hierarchy in the regulation of pro-chondrogenic genes preceding cartilage differentiation and provides new insights into the relative roles of secreted factors and cytoskeletal regulators that direct the first steps of this process in vivo.
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