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Schwartzman JD, McCall M, Ghattas Y, Pugazhendhi AS, Wei F, Ngo C, Ruiz J, Seal S, Coathup MJ. Multifunctional scaffolds for bone repair following age-related biological decline: Promising prospects for smart biomaterial-driven technologies. Biomaterials 2024; 311:122683. [PMID: 38954959 DOI: 10.1016/j.biomaterials.2024.122683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/09/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024]
Abstract
The repair of large bone defects due to trauma, disease, and infection can be exceptionally challenging in the elderly. Despite best clinical practice, bone regeneration within contemporary, surgically implanted synthetic scaffolds is often problematic, inconsistent, and insufficient where additional osteobiological support is required to restore bone. Emergent smart multifunctional biomaterials may drive important and dynamic cellular crosstalk that directly targets, signals, stimulates, and promotes an innate bone repair response following age-related biological decline and when in the presence of disease or infection. However, their role remains largely undetermined. By highlighting their mechanism/s and mode/s of action, this review spotlights smart technologies that favorably align in their conceivable ability to directly target and enhance bone repair and thus are highly promising for future discovery for use in the elderly. The four degrees of interactive scaffold smartness are presented, with a focus on bioactive, bioresponsive, and the yet-to-be-developed autonomous scaffold activity. Further, cell- and biomolecular-assisted approaches were excluded, allowing for contemporary examination of the capabilities, demands, vision, and future requisites of next-generation biomaterial-induced technologies only. Data strongly supports that smart scaffolds hold significant promise in the promotion of bone repair in patients with a reduced osteobiological response. Importantly, many techniques have yet to be tested in preclinical models of aging. Thus, greater clarity on their proficiency to counteract the many unresolved challenges within the scope of aging bone is highly warranted and is arguably the next frontier in the field. This review demonstrates that the use of multifunctional smart synthetic scaffolds with an engineered strategy to circumvent the biological insufficiencies associated with aging bone is a viable route for achieving next-generation therapeutic success in the elderly population.
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Affiliation(s)
| | - Max McCall
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Yasmine Ghattas
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Abinaya Sindu Pugazhendhi
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Fei Wei
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Christopher Ngo
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Jonathan Ruiz
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Sudipta Seal
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA; Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, USA, Orlando, FL
| | - Melanie J Coathup
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA.
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Ehlen QT, Mirsky NA, Slavin BV, Parra M, Nayak VV, Cronstein B, Witek L, Coelho PG. Translational Experimental Basis of Indirect Adenosine Receptor Agonist Stimulation for Bone Regeneration: A Review. Int J Mol Sci 2024; 25:6104. [PMID: 38892291 PMCID: PMC11172580 DOI: 10.3390/ijms25116104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Bone regeneration remains a significant clinical challenge, often necessitating surgical approaches when healing bone defects and fracture nonunions. Within this context, the modulation of adenosine signaling pathways has emerged as a promising therapeutic option, encouraging osteoblast activation and tempering osteoclast differentiation. A literature review of the PubMed database with relevant keywords was conducted. The search criteria involved in vitro or in vivo models, with clear methodological descriptions. Only studies that included the use of indirect adenosine agonists, looking at the effects of bone regeneration, were considered relevant according to the eligibility criteria. A total of 29 articles were identified which met the inclusion and exclusion criteria, and they were reviewed to highlight the preclinical translation of adenosine agonists. While preclinical studies demonstrate the therapeutic potential of adenosine signaling in bone regeneration, its clinical application remains unrealized, underscoring the need for further clinical trials. To date, only large, preclinical animal models using indirect adenosine agonists have been successful in stimulating bone regeneration. The adenosine receptors (A1, A2A, A2B, and A3) stimulate various pathways, inducing different cellular responses. Specifically, indirect adenosine agonists act to increase the extracellular concentration of adenosine, subsequently agonizing the respective adenosine receptors. The agonism of each receptor is dependent on its expression on the cell surface, the extracellular concentration of adenosine, and its affinity for adenosine. This comprehensive review analyzed the multitude of indirect agonists currently being studied preclinically for bone regeneration, discussing the mechanisms of each agonist, their cellular responses in vitro, and their effects on bone formation in vivo.
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Affiliation(s)
- Quinn T. Ehlen
- University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | | | - Blaire V. Slavin
- University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Marcelo Parra
- Center of Excellence in Morphological and Surgical Studies (CEMyQ), Faculty of Medicine, Universidad de la Frontera, Temuco 4811230, Chile
- Department of Comprehensive Adult Dentistry, Faculty of Dentistry, Universidad de la Frontera, Temuco 4811230, Chile
| | - Vasudev Vivekanand Nayak
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Bruce Cronstein
- Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Lukasz Witek
- Biomaterials Division, NYU Dentistry, New York, NY 10010, USA
- Department of Biomedical Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, USA
- Hansjörg Wyss Department of Plastic Surgery, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Paulo G. Coelho
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- DeWitt Daughtry Family Department of Surgery, Division of Plastic Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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Toghi M, Bitarafan S, Ghafouri-Fard S. Pathogenic Th17 cells in autoimmunity with regard to rheumatoid arthritis. Pathol Res Pract 2023; 250:154818. [PMID: 37729783 DOI: 10.1016/j.prp.2023.154818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/10/2023] [Accepted: 09/14/2023] [Indexed: 09/22/2023]
Abstract
Th17 cells contribute the pathobiology of autoimmune diseases, including rheumatoid arthritis (RA). However, it was shown that differentiated Th17 cells display a high degree of plasticity under the influence of inflammatory conditions. In some autoimmune diseases, the majority of Th17 cells, especially at sites of inflammation, have a phenotype that is intermediate between Th17 and Th1. These cells, which are described as Th17.1 or exTh17 cells, are hypothesized to be more pathogenic than classical Th17 cells. In this review, the involvement of Th17.1 lymphocytes in RA, and potential features that might render these cells to be more pathogenic are discussed.
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Affiliation(s)
- Mehdi Toghi
- Department of Immune and Infectious Diseases, Université Laval, Quebec City, Quebec, Canada
| | - Sara Bitarafan
- Department of Molecular Medicine, Université Laval, Quebec City, Quebec, Canada
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Pinto-Cardoso R, Bessa-Andrês C, Correia-de-Sá P, Bernardo Noronha-Matos J. Could hypoxia rehabilitate the osteochondral diseased interface? Lessons from the interplay of hypoxia and purinergic signals elsewhere. Biochem Pharmacol 2023:115646. [PMID: 37321413 DOI: 10.1016/j.bcp.2023.115646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/03/2023] [Accepted: 06/07/2023] [Indexed: 06/17/2023]
Abstract
The osteochondral unit comprises the articular cartilage (90%), subchondral bone (5%) and calcified cartilage (5%). All cells present at the osteochondral unit that is ultimately responsible for matrix production and osteochondral homeostasis, such as chondrocytes, osteoblasts, osteoclasts and osteocytes, can release adenine and/or uracil nucleotides to the local microenvironment. Nucleotides are released by these cells either constitutively or upon plasma membrane damage, mechanical stress or hypoxia conditions. Once in the extracellular space, endogenously released nucleotides can activate membrane-bound purinoceptors. Activation of these receptors is fine-tuning regulated by nucleotides' breakdown by enzymes of the ecto-nucleotidase cascade. Depending on the pathophysiological conditions, both the avascular cartilage and the subchondral bone subsist to significant changes in oxygen tension, which has a tremendous impact on tissue homeostasis. Cell stress due to hypoxic conditions directly influences the expression and activity of several purinergic signalling players, namely nucleotide release channels (e.g. Cx43), NTPDase enzymes and purinoceptors. This review gathers experimental evidence concerning the interplay between hypoxia and the purinergic signalling cascade contributing to osteochondral unit homeostasis. Reporting deviations to this relationship resulting from pathological alterations of articular joints may ultimately unravel novel therapeutic targets for osteochondral rehabilitation. At this point, one can only hypothesize how hypoxia mimetic conditions can be beneficial to the ex vivo expansion and differentiation of osteo- and chondro-progenitors for auto-transplantation and tissue regenerative purposes.
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Affiliation(s)
- Rui Pinto-Cardoso
- Laboratório de Farmacologia e Neurobiologia; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP)
| | - Catarina Bessa-Andrês
- Laboratório de Farmacologia e Neurobiologia; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP)
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP)
| | - José Bernardo Noronha-Matos
- Laboratório de Farmacologia e Neurobiologia; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP).
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Jin Z, Huang X, Tan W, Luo X, Cen L, Zhou Y. Synergetic effect of 3D porous microsphere structure and activation of adenosine A2B receptor signal on promoting osteogenic differentiation of BMSCs. BIOMATERIALS ADVANCES 2023; 151:213457. [PMID: 37172432 DOI: 10.1016/j.bioadv.2023.213457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/27/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023]
Abstract
Biodegradable microspheres offer great potential as functional building blocks for bottom-up bone tissue engineering. However, it remains challenging to understand and regulate cell behaviors in fabrication of injectable bone microtissues using microspheres. The study aims to develop an adenosine functionalized poly (lactide-co-glycolide) (PLGA) microsphere to enhance cell loading efficiency and inductive osteogenesis potential, and subsequently to investigate adenosine signaling-mediated osteogenic differentiation in cells grown on three-dimensional (3D) microspheres and flat control. Adenosine was loaded on PLGA porous microspheres via polydopamine coating, and the cell adhesion and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) were improved on these microspheres. It was found that adenosine A2B receptor (A2BR) was further activated by adenosine treatment, which consequently enhanced osteogenic differentiation of BMSCs. This effect was more obvious on 3D microspheres compared to 2D flats. However, the promotion of osteogenesis on the 3D microspheres was not eliminated by blocking the A2BR with antagonist. Finally, adenosine functionalized microspheres could fabricate injectable microtissues in vitro, and improve cell delivery and osteogenic differentiation after injection in vivo. Therefore, it is considered that adenosine loaded PLGA porous microspheres will be of good value in minimally invasive injection surgery and bone tissue repair.
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Affiliation(s)
- Ziyang Jin
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xing Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Wensong Tan
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xusong Luo
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Lian Cen
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Yan Zhou
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China.
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Ahmadi A, Mazloomnejad R, Kasravi M, Gholamine B, Bahrami S, Sarzaeem MM, Niknejad H. Recent advances on small molecules in osteogenic differentiation of stem cells and the underlying signaling pathways. Stem Cell Res Ther 2022; 13:518. [PMID: 36371202 PMCID: PMC9652959 DOI: 10.1186/s13287-022-03204-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/09/2022] [Indexed: 11/15/2022] Open
Abstract
Bone-related diseases are major contributors to morbidity and mortality in elderly people and the current treatments result in insufficient healing and several complications. One of the promising areas of research for healing bone fractures and skeletal defects is regenerative medicine using stem cells. Differentiating stem cells using agents that shift cell development towards the preferred lineage requires activation of certain intracellular signaling pathways, many of which are known to induce osteogenesis during embryological stages. Imitating embryological bone formation through activation of these signaling pathways has been the focus of many osteogenic studies. Activation of osteogenic signaling can be done by using small molecules. Several of these agents, e.g., statins, metformin, adenosine, and dexamethasone have other clinical uses but have also shown osteogenic capacities. On the other hand, some other molecules such as T63 and tetrahydroquinolines are not as well recognized in the clinic. Osteogenic small molecules exert their effects through the activation of signaling pathways known to be related to osteogenesis. These pathways include more well-known pathways including BMP/Smad, Wnt, and Hedgehog as well as ancillary pathways including estrogen signaling and neuropeptide signaling. In this paper, we review the recent data on small molecule-mediated osteogenic differentiation, possible adjunctive agents with these molecules, and the signaling pathways through which each small molecule exerts its effects.
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Affiliation(s)
- Armin Ahmadi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Radman Mazloomnejad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Mohammadreza Kasravi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Babak Gholamine
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Soheyl Bahrami
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria
| | - Mohammad Mahdi Sarzaeem
- Department of Orthopedic Surgery, Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Niknejad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran.
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Dsouza C, Moussa MS, Mikolajewicz N, Komarova SV. Extracellular ATP and its derivatives provide spatiotemporal guidance for bone adaptation to wide spectrum of physical forces. Bone Rep 2022; 17:101608. [PMID: 35992507 PMCID: PMC9385560 DOI: 10.1016/j.bonr.2022.101608] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022] Open
Abstract
ATP is a ubiquitous intracellular molecule critical for cellular bioenergetics. ATP is released in response to mechanical stimulation through vesicular release, small tears in cellular plasma membranes, or when cells are destroyed by traumatic forces. Extracellular ATP is degraded by ecto-ATPases to form ADP and eventually adenosine. ATP, ADP, and adenosine signal through purinergic receptors, including seven P2X ATP-gated cation channels, seven G-protein coupled P2Y receptors responsive to ATP and ADP, and four P1 receptors stimulated by adenosine. The goal of this review is to build a conceptual model of the role of different components of this complex system in coordinating cellular responses that are appropriate to the degree of mechanical stimulation, cell proximity to the location of mechanical injury, and time from the event. We propose that route and amount of ATP release depend on the scale of mechanical forces, ranging from vesicular release of small ATP boluses upon membrane deformation, to leakage of ATP through resealable plasma membrane tears, to spillage of cellular content due to destructive forces. Correspondingly, different P2 receptors responsive to ATP will be activated according to their affinity at the site of mechanical stimulation. ATP is a small molecule that readily diffuses through the environment, bringing the signal to the surrounding cells. ATP is also degraded to ADP which can stimulate a distinct set of P2 receptors. We propose that depending on the magnitude of mechanical forces and distance from the site of their application, ATP/ADP profiles will be different, allowing the relay of information about tissue level injury and proximity. Lastly, ADP is degraded to adenosine acting via its P1 receptors. The presence of large amounts of adenosine without ATP, indicates that an active source of ATP release is no longer present, initiating the transition to the recovery phase. This model consolidates the knowledge regarding the individual components of the purinergic system into a conceptual framework of choreographed responses to physical forces. Cellular bioenergetic molecule ATP is released when cell is mechanically stimulated. ATP release is proportional to the amount of cellular damage. ATP diffusion and transformation to ADP indicates the proximity to the damage. Purinergic receptors form a network choreographing cell response to physical forces. Complete transformation of ATP to adenosine initiates the recovery phase.
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Affiliation(s)
- Chrisanne Dsouza
- Department of Experimental Surgery, McGill University, Montreal, QC H3G 1A4, Canada
- Shriners Hospitals for Children- Canada, Montreal, QC H4A 0A9, Canada
| | - Mahmoud S. Moussa
- Shriners Hospitals for Children- Canada, Montreal, QC H4A 0A9, Canada
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC H3A 1G1, Canada
| | - Nicholas Mikolajewicz
- Shriners Hospitals for Children- Canada, Montreal, QC H4A 0A9, Canada
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC H3A 1G1, Canada
| | - Svetlana V. Komarova
- Department of Experimental Surgery, McGill University, Montreal, QC H3G 1A4, Canada
- Shriners Hospitals for Children- Canada, Montreal, QC H4A 0A9, Canada
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC H3A 1G1, Canada
- Corresponding author.
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8
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Berman NK, Honig S, Cronstein BN, Pillinger MH. The effects of caffeine on bone mineral density and fracture risk. Osteoporos Int 2022; 33:1235-1241. [PMID: 34981132 DOI: 10.1007/s00198-021-05972-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 04/19/2021] [Indexed: 12/21/2022]
Abstract
Caffeine is a regular part of the diet of many adults (coffee, tea, soft drinks, and energy drinks). Multiple molecular effects of caffeine suggest that it may promote bone loss. Given the extensive consumption of caffeine worldwide, any impact of caffeine consumption on bone strength and/or density would have large population health implications. The most well-established pharmacological effect of caffeine is non-specific antagonism of adenosine receptors. Adenosine regulates bone metabolism in a complex manner, with in vitro studies suggesting that direct stimulation of adenosine A2A and A2B receptors induces bone formation by activating osteoblasts and suppressing osteoclast differentiation and function. Thus, competitive inhibition of adenosine A2 receptors by caffeine may inhibit bone formation and promote bone resorption. However, antagonism of adenosine A1 receptors may have opposing effects. Caffeine has also been suggested to affect bone through derangement of calcium metabolism, alteration of vitamin D responses, and other mechanisms. In clinical and population-based studies, the impact of caffeine consumption on bone metabolism offers a mixed picture, with some but not all studies suggesting a potential link between caffeine intake and reduced bone mineral density or increased fracture risk. Differences in methodology, selected populations, and duration/timing of the studies may account for study outcome discrepancies. The in vitro effects of caffeine on cells involved in bone metabolism suggest that caffeine intake may promote osteoporosis, and some but not all clinical studies support a modest adverse caffeine impact. Herein, we describe the basic biology of caffeine as it pertains to bone, review the clinical literature to date, and consider the implications of the current data on clinical practice and future studies.
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Affiliation(s)
- N K Berman
- Division of Rheumatology, Department of Medicine, Lenox Hill Hospital/Northwell Health, New York, USA.
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, New York, USA.
| | - S Honig
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, New York, USA
| | - B N Cronstein
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, New York, USA
- Division of Translational Medicine, Department of Medicine, NYU Grossman School of Medicine, New York, USA
| | - M H Pillinger
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, New York, USA
- Rheumatology Section, Department of Medicine, VA New York Harbor Health Care System, New York Campus, New York, USA
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IJzerman AP, Jacobson KA, Müller CE, Cronstein BN, Cunha RA. International Union of Basic and Clinical Pharmacology. CXII: Adenosine Receptors: A Further Update. Pharmacol Rev 2022; 74:340-372. [PMID: 35302044 PMCID: PMC8973513 DOI: 10.1124/pharmrev.121.000445] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Our previous International Union of Basic and Clinical Pharmacology report on the nomenclature and classification of adenosine receptors (2011) contained a number of emerging developments with respect to this G protein-coupled receptor subfamily, including protein structure, protein oligomerization, protein diversity, and allosteric modulation by small molecules. Since then, a wealth of new data and results has been added, allowing us to explore novel concepts such as target binding kinetics and biased signaling of adenosine receptors, to examine a multitude of receptor structures and novel ligands, to gauge new pharmacology, and to evaluate clinical trials with adenosine receptor ligands. This review should therefore be considered a further update of our previous reports from 2001 and 2011. SIGNIFICANCE STATEMENT: Adenosine receptors (ARs) are of continuing interest for future treatment of chronic and acute disease conditions, including inflammatory diseases, neurodegenerative afflictions, and cancer. The design of AR agonists ("biased" or not) and antagonists is largely structure based now, thanks to the tremendous progress in AR structural biology. The A2A- and A2BAR appear to modulate the immune response in tumor biology. Many clinical trials for this indication are ongoing, whereas an A2AAR antagonist (istradefylline) has been approved as an anti-Parkinson agent.
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Affiliation(s)
- Adriaan P IJzerman
- Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands (A.P.IJ.); National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Molecular Recognition Section, Bethesda, Maryland (K.A.J.); Universität Bonn, Bonn, Germany (C.E.M.); New York University School of Medicine, New York, New York (B.N.C.); and Center for Neurosciences and Cell Biology and Faculty of Medicine, University of Coimbra, Coimbra, Portugal (R.A.C.)
| | - Kenneth A Jacobson
- Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands (A.P.IJ.); National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Molecular Recognition Section, Bethesda, Maryland (K.A.J.); Universität Bonn, Bonn, Germany (C.E.M.); New York University School of Medicine, New York, New York (B.N.C.); and Center for Neurosciences and Cell Biology and Faculty of Medicine, University of Coimbra, Coimbra, Portugal (R.A.C.)
| | - Christa E Müller
- Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands (A.P.IJ.); National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Molecular Recognition Section, Bethesda, Maryland (K.A.J.); Universität Bonn, Bonn, Germany (C.E.M.); New York University School of Medicine, New York, New York (B.N.C.); and Center for Neurosciences and Cell Biology and Faculty of Medicine, University of Coimbra, Coimbra, Portugal (R.A.C.)
| | - Bruce N Cronstein
- Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands (A.P.IJ.); National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Molecular Recognition Section, Bethesda, Maryland (K.A.J.); Universität Bonn, Bonn, Germany (C.E.M.); New York University School of Medicine, New York, New York (B.N.C.); and Center for Neurosciences and Cell Biology and Faculty of Medicine, University of Coimbra, Coimbra, Portugal (R.A.C.)
| | - Rodrigo A Cunha
- Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands (A.P.IJ.); National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Molecular Recognition Section, Bethesda, Maryland (K.A.J.); Universität Bonn, Bonn, Germany (C.E.M.); New York University School of Medicine, New York, New York (B.N.C.); and Center for Neurosciences and Cell Biology and Faculty of Medicine, University of Coimbra, Coimbra, Portugal (R.A.C.)
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10
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Goldoni I, Ibelli AMG, Fernandes LT, Peixoto JDO, Hul LM, Cantão ME, Gouveia JJDS, Ledur MC. Comprehensive Analyses of Bone and Cartilage Transcriptomes Evince Ion Transport, Inflammation and Cartilage Development-Related Genes Involved in Chickens’ Femoral Head Separation. Animals (Basel) 2022; 12:ani12060788. [PMID: 35327184 PMCID: PMC8944783 DOI: 10.3390/ani12060788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Femoral head necrosis (FHN) and other locomotor problems cause severe impacts on the poultry industry due to huge economic losses and reduced animal welfare. Femoral head separation (FHS), the initial phase of FHN, is usually a subclinical condition characterized by the detachment of articular cartilage from the bone. In this study, we aimed to identify genes and biological processes involved with FHS in broilers. A better understanding of the FHS molecular mechanisms can help to develop strategies to reduce this condition in chickens. Here, we described several genes that have their expression altered in the articular cartilage and femur when normal and FHS-affected animals were compared. Furthermore, genetic variants were found differing between the studied groups. Therefore, performing an integrated analysis of these datasets, we were able to detect genes and variants related to FHS in chickens. Some of them, such as SLC4A1, RHAG, ANK1, MKNK2, SPTB, ADA, C7 and EPB420 genes were highlighted and should be further explored to validate them as candidates to FHS and FHN in chickens and possibly in humans. Abstract Femoral head separation (FHS) is usually a subclinical condition characterized by the detachment of articular cartilage from the bone. In this study, a comprehensive analysis identifying shared and exclusive expression profiles, biological processes (BP) and variants related to FHS in the femoral articular cartilage and growth plate in chickens was performed through RNA sequencing analysis. Thirty-six differentially expressed (DE) genes were shared between femoral articular cartilage (AC) and growth plate (GP) tissues. Out of those, 23 genes were enriched in BP related to ion transport, translation factors and immune response. Seventy genes were DE exclusively in the AC and 288 in the GP. Among the BP of AC, the response against bacteria can be highlighted, and for the GP tissue, the processes related to chondrocyte differentiation and cartilage development stand out. When the chicken DE genes were compared to other datasets, eight genes (SLC4A1, RHAG, ANK1, MKNK2, SPTB, ADA, C7 and EPB420) were shared between chickens and humans. Furthermore, 89 variants, including missense in the SPATS2L, PRKAB1 and TRIM25 genes, were identified between groups. Therefore, those genes should be more explored to validate them as candidates to FHS/FHN in chickens and humans.
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Affiliation(s)
- Iara Goldoni
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, R. Salvatore Renna, 875, Guarapuava 85015-430, PR, Brazil; (I.G.); (J.d.O.P.); (L.M.H.)
| | - Adriana Mércia Guaratini Ibelli
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, R. Salvatore Renna, 875, Guarapuava 85015-430, PR, Brazil; (I.G.); (J.d.O.P.); (L.M.H.)
- Embrapa Suínos e Aves, Rodovia BR 153, km 110, Concórdia 89715-899, SC, Brazil; (L.T.F.); (M.E.C.)
- Correspondence: (A.M.G.I.); (M.C.L.); Tel.: +55-49-3441-3217 (A.M.G.I.); +55-49-3441-0411 (M.C.L.)
| | - Lana Teixeira Fernandes
- Embrapa Suínos e Aves, Rodovia BR 153, km 110, Concórdia 89715-899, SC, Brazil; (L.T.F.); (M.E.C.)
| | - Jane de Oliveira Peixoto
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, R. Salvatore Renna, 875, Guarapuava 85015-430, PR, Brazil; (I.G.); (J.d.O.P.); (L.M.H.)
- Embrapa Suínos e Aves, Rodovia BR 153, km 110, Concórdia 89715-899, SC, Brazil; (L.T.F.); (M.E.C.)
| | - Ludmila Mudri Hul
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, R. Salvatore Renna, 875, Guarapuava 85015-430, PR, Brazil; (I.G.); (J.d.O.P.); (L.M.H.)
| | - Maurício Egídio Cantão
- Embrapa Suínos e Aves, Rodovia BR 153, km 110, Concórdia 89715-899, SC, Brazil; (L.T.F.); (M.E.C.)
| | - João José de Simoni Gouveia
- Programa de Pós-Graduação em Ciências Veterinárias no Semiárido, Universidade Federal do Vale do São Francisco, UNIVASF, Rodovia BR 407, 12 Lote 543, Petrolina 56300-000, PE, Brazil;
| | - Mônica Corrêa Ledur
- Embrapa Suínos e Aves, Rodovia BR 153, km 110, Concórdia 89715-899, SC, Brazil; (L.T.F.); (M.E.C.)
- Programa de Pós-Graduação em Zootecnia, UDESC-Oeste, Rua Beloni Trombeta Zanin, 680E, Chapecó 89815-630, SC, Brazil
- Correspondence: (A.M.G.I.); (M.C.L.); Tel.: +55-49-3441-3217 (A.M.G.I.); +55-49-3441-0411 (M.C.L.)
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11
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Exogenous adenosine activates A2A adenosine receptor to inhibit RANKL-induced osteoclastogenesis via AP-1 pathway to facilitate bone repair. Mol Biol Rep 2021; 49:2003-2014. [PMID: 34846650 DOI: 10.1007/s11033-021-07017-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Adenosine is a purine nucleoside involved in regulating bone homeostasis through binding to A1, A2A, A2B, and A3 adenosine receptors (A1R, A2AR, A2BR, and A3R, respectively). However, the underlying mechanisms by which adenosine and receptor subtypes regulate osteoclast differentiation remain uncertain. This study aims to assess the role of exogenous adenosine and receptor subtypes in receptor activator of NF-κB ligand (RANKL)-induced osteoclast formation and explore the underlying molecular mechanisms. METHODS AND RESULTS The nanofibrous mats incorporated with adenosine exhibited robust ability to facilitate rat critical-size calvarial defect healing with decreased number of osteoclasts. Moreover, exogenous adenosine substantially enhanced the expression of A2AR and suppressed tartrate-resistant acid phosphatase-positive osteoclast formation and expression of osteoclast-related genes Ctsk, NFATc1, MMP9, and ACP5. This enhancement and suppression could be reversed by adding an A2AR antagonist, ZM241385, in RAW264.7 cells. Finally, RNA sequencing showed that the expression of Fos-related antigen 2 (Fra2) was distinctly downregulated through stimulation of adenosine in RAW264.7 cells treated with RANKL. This downregulation was reversed by ZM241385 according to real-time PCR, Western blot, and immunofluorescence analyses. CONCLUSIONS These findings demonstrated that exogenous adenosine binding to A2AR attenuated osteoclast differentiation via the inhibition of activating protein-1 (AP-1, including Fra2 subunit) pathway both in vitro and in vivo.
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12
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Liao H, Yu HP, Song W, Zhang G, Lu B, Zhu YJ, Yu W, He Y. Amorphous calcium phosphate nanoparticles using adenosine triphosphate as an organic phosphorus source for promoting tendon-bone healing. J Nanobiotechnology 2021; 19:270. [PMID: 34493293 PMCID: PMC8425074 DOI: 10.1186/s12951-021-01007-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/19/2021] [Indexed: 11/20/2022] Open
Abstract
Background Rotator cuff tear (RCT) is a common problem of the musculoskeletal system. With the advantage of promoting bone formation, calcium phosphate materials have been widely used to augment tendon-bone healing. However, only enhancing bone regeneration may be not enough for improving tendon–bone healing. Angiogenesis is another fundamental factor required for tendon–bone healing. Therefore, it’s necessary to develop a convenient and reliable method to promote osteogenesis and angiogenesis simultaneously, thereby effectively promoting tendon–bone healing. Methods The amorphous calcium phosphate (ACP) nanoparticles with dual biological activities of osteogenesis and angiogenesis were prepared by a simple low-temperature aqueous solution method using adenosine triphosphate (ATP) as an organic phosphorus source. The activities of osteogenesis and angiogenesis and the effect on the tendon–bone healing of ACP nanoparticles were tested in vitro and in a rat model of acute RCT. Results The ACP nanoparticles with a diameter of tens of nanometers were rich in bioactive adenosine. In vitro, we confirmed that ACP nanoparticles could enhance osteogenesis and angiogenesis. In vivo, radiological and histological evaluations demonstrated that ACP nanoparticles could enhance bone and blood vessels formation at the tendon–bone junction. Biomechanical testing showed that ACP nanoparticles improved the biomechanical strength of the tendon–bone junction and ultimately promoted tendon–bone healing of rotator cuff. Conclusions We successfully confirmed that ACP nanoparticles could promote tendon–bone healing. ACP nanoparticles are a promising biological nanomaterial in augmenting tendon–bone healing. Graphic abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01007-y.
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Affiliation(s)
- Haoran Liao
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Han-Ping Yu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
| | - Wei Song
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Guangcheng Zhang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Bingqiang Lu
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China
| | - Ying-Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China.
| | - Weilin Yu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
| | - Yaohua He
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China. .,Department of Orthopedics, Jinshan Branch of Shanghai Sixth People's Hospital, Affiliated to Shanghai University of Medicine and Health Sciences, 147 Jiankang Road, Shanghai, 201599, China.
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A Novel Germline Mutation of ADA2 Gene in Two "Discordant" Homozygous Female Twins Affected by Adenosine Deaminase 2 Deficiency: Description of the Bone-Related Phenotype. Int J Mol Sci 2021; 22:ijms22158331. [PMID: 34361096 PMCID: PMC8348276 DOI: 10.3390/ijms22158331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 11/17/2022] Open
Abstract
Adenosine Deaminase 2 Deficiency (DADA2) syndrome is a rare monogenic disorder prevalently linked to recessive inherited loss of function mutations in the ADA2/CECR1 gene. It consists of an immune systemic disease including autoinflammatory vasculopathies, with a frequent onset at infancy/early childhood age. DADA2 syndrome encompasses pleiotropic manifestations such as stroke, systemic vasculitis, hematologic alterations, and immunodeficiency. Although skeletal abnormalities have been reported in patients with this disease, clear information about skeletal health, with appropriate biochemical-clinical characterization/management, its evolution over time and any appropriate clinical management is still insufficient. In this paper, after a general introduction shortly reviewing the pathophysiology of Ada2 enzymatic protein, its potential role in bone health, we describe a case study of two 27 year-old DADA2 monozygotic female twins exhibiting bone mineral density and bone turnover rate abnormalities over the years of their clinical follow-up.
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14
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Kalinkovich A, Livshits G. Biased and allosteric modulation of bone cell-expressing G protein-coupled receptors as a novel approach to osteoporosis therapy. Pharmacol Res 2021; 171:105794. [PMID: 34329703 DOI: 10.1016/j.phrs.2021.105794] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/20/2021] [Accepted: 07/25/2021] [Indexed: 12/16/2022]
Abstract
On the cellular level, osteoporosis (OP) is a result of imbalanced bone remodeling, in which osteoclastic bone resorption outcompetes osteoblastic bone formation. Currently available OP medications include both antiresorptive and bone-forming drugs. However, their long-term use in OP patients, mainly in postmenopausal women, is accompanied by severe side effects. Notably, the fundamental coupling between bone resorption and formation processes underlies the existence of an undesirable secondary outcome that bone anabolic or anti-resorptive drugs also reduce bone formation. This drawback requires the development of anti-OP drugs capable of selectively stimulating osteoblastogenesis and concomitantly reducing osteoclastogenesis. We propose that the application of small synthetic biased and allosteric modulators of bone cell receptors, which belong to the G-protein coupled receptors (GPCR) family, could be the key to resolving the undesired anti-OP drug selectivity. This approach is based on the capacity of these GPCR modulators, unlike the natural ligands, to trigger signaling pathways that promote beneficial effects on bone remodeling while blocking potentially deleterious effects. Under the settings of OP, an optimal anti-OP drug should provide fine-tuned regulation of downstream effects, for example, intermittent cyclic AMP (cAMP) elevation, preservation of Ca2+ balance, stimulation of osteoprotegerin (OPG) and estrogen production, suppression of sclerostin secretion, and/or preserved/enhanced canonical β-catenin/Wnt signaling pathway. As such, selective modulation of GPCRs involved in bone remodeling presents a promising approach in OP treatment. This review focuses on the evidence for the validity of our hypothesis.
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Affiliation(s)
- Alexander Kalinkovich
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 6905126, Israel
| | - Gregory Livshits
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 6905126, Israel; Adelson School of Medicine, Ariel University, Ariel 4077625, Israel.
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15
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Bhagavatham SKS, Khanchandani P, Kannan V, Potikuri D, Sridharan D, Pulukool SK, Naik AA, Dandamudi RB, Divi SM, Pargaonkar A, Ray R, Santha SSR, Seshagiri PB, Narasimhan K, Gumdal N, Sivaramakrishnan V. Adenosine deaminase modulates metabolic remodeling and orchestrates joint destruction in rheumatoid arthritis. Sci Rep 2021; 11:15129. [PMID: 34301999 PMCID: PMC8302689 DOI: 10.1038/s41598-021-94607-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 07/14/2021] [Indexed: 02/07/2023] Open
Abstract
Rheumatoid Arthritis (RA) is a chronic autoimmune disease associated with inflammation and joint remodeling. Adenosine deaminase (ADA), a risk factor in RA, degrades adenosine, an anti-inflammatory molecule, resulting in an inflammatory bias. We present an integrative analysis of clinical data, cytokines, serum metabolomics in RA patients and mechanistic studies on ADA-mediated effects on in vitro cell culture models. ADA activity differentiated patients into low and high ADA sets. The levels of the cytokines TNFα, IFNγ, IL-10, TGFβ and sRANKL were elevated in RA and more pronounced in high ADA sets. Serum metabolomic analysis shows altered metabolic pathways in RA which were distinct between low and high ADA sets. Comparative analysis with previous studies shows similar pathways are modulated by DMARDs and biologics. Random forest analysis distinguished RA from control by methyl-histidine and hydroxyisocaproic acid, while hexose-phosphate and fructose-6-phosphate distinguished high ADA from low ADA. The deregulated metabolic pathways of High ADA datasets significantly overlapped with high ADA expressing PBMCs GEO transcriptomics dataset. ADA induced the death of chondrocytes, synoviocyte proliferation, both inflammation in macrophages and their differentiation into osteoclasts and impaired differentiation of mesenchymal stem cells to osteoblasts and mineralization. PBMCs expressing elevated ADA had increased expression of cytokines and P2 receptors compared to synovial macrophages which has low expression of ADA. Our data demonstrates increased cytokine levels and distinct metabolic signatures of RA based on the ADA activity, suggests an important role for ADA in the pathophysiology of RA joints and as a potential marker and therapeutic target in RA patients.
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Affiliation(s)
- Sai Krishna Srimadh Bhagavatham
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India
| | - Prakash Khanchandani
- grid.496668.30000 0004 1767 3076Department of Orthopedics, Sri Sathya Sai Institute of Higher Medical Sciences, PG, Puttaparthi, 515134 India
| | - Vishnu Kannan
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India ,grid.411552.60000 0004 1766 4022Present Address: Department of Botany/Biotechnology, CMS College, Kottayam, 686001 India
| | | | - Divya Sridharan
- grid.34980.360000 0001 0482 5067Molecular Reproduction and Developmental Genetics, Indian Institute of Science, Bengaluru, 560012 India
| | - Sujith Kumar Pulukool
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India
| | - Ashwin Ashok Naik
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India
| | - Rajesh Babu Dandamudi
- grid.444651.60000 0004 0496 6988Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, India ,Present Address: Phenomenex India, Hyderabad, Telangana 500084 India
| | - Sai Mangala Divi
- grid.496668.30000 0004 1767 3076Department of Biochemistry, Sri Sathya Sai Institute of Higher Medical Sciences, PG, Puttaparthi, 515134 India
| | - Ashish Pargaonkar
- grid.464737.50000 0004 1775 153XAgilent Technologies India Pvt Ltd, Bengaluru, 560048 India
| | - Rahul Ray
- grid.496668.30000 0004 1767 3076Department of Orthopedics, Sri Sathya Sai Institute of Higher Medical Sciences, PG, Puttaparthi, 515134 India
| | - Saibharath Simha Reddy Santha
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India
| | - Polani B. Seshagiri
- grid.34980.360000 0001 0482 5067Molecular Reproduction and Developmental Genetics, Indian Institute of Science, Bengaluru, 560012 India
| | - K. Narasimhan
- Sri Sathya Sai General Hospital, Puttaparthi, 515134 India
| | | | - Venketesh Sivaramakrishnan
- grid.444651.60000 0004 0496 6988Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, 515134 India
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16
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Barresi E, Giacomelli C, Marchetti L, Baglini E, Salerno S, Greco G, Da Settimo F, Martini C, Trincavelli ML, Taliani S. Novel positive allosteric modulators of A 2B adenosine receptor acting as bone mineralisation promoters. J Enzyme Inhib Med Chem 2021; 36:286-294. [PMID: 33334192 PMCID: PMC7751416 DOI: 10.1080/14756366.2020.1862103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Small-molecules acting as positive allosteric modulators (PAMs) of the A2B adenosine receptor (A2B AR) could potentially represent a novel therapeutic strategy for pathological conditions characterised by altered bone homeostasis, including osteoporosis. We investigated a library of compounds (4-13) exhibiting different degrees of chemical similarity with three indole derivatives (1-3), which have been recently identified by us as PAMs of the A2B AR able to promote mesenchymal stem cell differentiation and bone formation. Evaluation of mineralisation activity of 4-13 in the presence and in the absence of the agonist BAY60-6583 allowed the identification of lead compounds with therapeutic potential as anti-osteoporosis agents. Further biological characterisation of one of the most performing compounds, the benzofurane derivative 9, confirmed that such a molecule behaves as PAM of the A2B AR.
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Affiliation(s)
| | | | | | - Emma Baglini
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | | | - Giovanni Greco
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
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Da W, Tao L, Zhu Y. The Role of Osteoclast Energy Metabolism in the Occurrence and Development of Osteoporosis. Front Endocrinol (Lausanne) 2021; 12:675385. [PMID: 34054735 PMCID: PMC8150001 DOI: 10.3389/fendo.2021.675385] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/29/2021] [Indexed: 12/14/2022] Open
Abstract
In recent decades, the mechanism underlying bone metabolic disorders based on energy metabolism has been heavily researched. Bone resorption by osteoclasts plays an important role in the occurrence and development of osteoporosis. However, the mechanism underlying the osteoclast energy metabolism disorder that interferes with bone homeostasis has not been determined. Bone resorption by osteoclasts is a process that consumes large amounts of adenosine triphosphate (ATP) produced by glycolysis and oxidative phosphorylation. In addition to glucose, fatty acids and amino acids can also be used as substrates to produce energy through oxidative phosphorylation. In this review, we summarize and analyze the energy-based phenotypic changes, epigenetic regulation, and coupling with systemic energy metabolism of osteoclasts during the development and progression of osteoporosis. At the same time, we propose a hypothesis, the compensatory recovery mechanism (involving the balance between osteoclast survival and functional activation), which may provide a new approach for the treatment of osteoporosis.
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Affiliation(s)
| | - Lin Tao
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, China
| | - Yue Zhu
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, China
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18
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Diffuse Idiopathic Skeletal Hyperostosis of Cervical Spine with Dysphagia-Molecular and Clinical Aspects. Int J Mol Sci 2021; 22:ijms22084255. [PMID: 33923907 PMCID: PMC8074005 DOI: 10.3390/ijms22084255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/03/2021] [Accepted: 04/13/2021] [Indexed: 11/17/2022] Open
Abstract
Diffuse idiopathic skeletal hyperostosis (DISH) is a condition characterized by the calcification and ossification of the ligaments of the cervical spine; in some cases, it may result in dysphagia. The condition is more common in men over 50 years of age with metabolic disorders, and it is often asymptomatic and not a major issue for patients. The etiology of DISH is poorly understood, and known genetic factors indicate multiple signal pathways and multigene inheritance. In this review, we discuss the epidemiological, clinical, and etiological aspects of DISH with a special focus on dysphagia.
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19
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Galgaro BC, Beckenkamp LR, van den M Nunnenkamp M, Korb VG, Naasani LIS, Roszek K, Wink MR. The adenosinergic pathway in mesenchymal stem cell fate and functions. Med Res Rev 2021; 41:2316-2349. [PMID: 33645857 DOI: 10.1002/med.21796] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/02/2021] [Accepted: 02/17/2021] [Indexed: 12/18/2022]
Abstract
Mesenchymal stem cells (MSCs) play an important role in tissue homeostasis and damage repair through their ability to differentiate into cells of different tissues, trophic support, and immunomodulation. These properties made them attractive for clinical applications in regenerative medicine, immune disorders, and cell transplantation. However, despite multiple preclinical and clinical studies demonstrating beneficial effects of MSCs, their native identity and mechanisms of action remain inconclusive. Since its discovery, the CD73/ecto-5'-nucleotidase is known as a classic marker for MSCs, but its role goes far beyond a phenotypic characterization antigen. CD73 contributes to adenosine production, therefore, is an essential component of purinergic signaling, a pathway composed of different nucleotides and nucleosides, which concentrations are finely regulated by the ectoenzymes and receptors. Thus, purinergic signaling controls pathophysiological functions such as proliferation, migration, cell fate, and immune responses. Despite the remarkable progress already achieved in considering adenosinergic pathway as a therapeutic target in different pathologies, its role is not fully explored in the context of the therapeutic functions of MSCs. Therefore, in this review, we provide an overview of the role of CD73 and adenosine-mediated signaling in the functions ascribed to MSCs, such as homing and proliferation, cell differentiation, and immunomodulation. Additionally, we will discuss the pathophysiological role of MSCs, via CD73 and adenosine, in different diseases, as well as in tumor development and progression. A better understanding of the adenosinergic pathway in the regulation of MSCs functions will help to provide improved therapeutic strategies applicable in regenerative medicine.
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Affiliation(s)
- Bruna C Galgaro
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Liziane R Beckenkamp
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Martha van den M Nunnenkamp
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Vitória G Korb
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Liliana I S Naasani
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Katarzyna Roszek
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland
| | - Márcia R Wink
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
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Hawkes CP, Roy SM, Dekelbab B, Frazier B, Grover M, Haidet J, Listman J, Madsen S, Roan M, Rodd C, Sopher A, Tebben P, Levine MA. Hypercalcemia in Children Using the Ketogenic Diet: A Multicenter Study. J Clin Endocrinol Metab 2021; 106:e485-e495. [PMID: 33124662 PMCID: PMC7823241 DOI: 10.1210/clinem/dgaa759] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT The ketogenic diet is associated with progressive skeletal demineralization, hypercalciuria, and nephrolithiasis. Acute hypercalcemia has been described as a newly recognized complication of this treatment. OBJECTIVE To describe the clinical characteristics of acute hypercalcemia in children on the ketogenic diet through analysis of the presentation, response to treatment, and natural history in a large cohort of patients. DESIGN A multicenter case series was performed including children who developed acute hypercalcemia while treated with the ketogenic diet. Information on clinical presentation, treatment, and course of this complication was collated centrally. RESULTS There were 14 patients (median (range) age 6.3 (0.9 to 18) years) who developed hypercalcemia 2.1 (range, 0.2-12) years after starting the ketogenic diet. All had low levels of parathyroid hormone and levels of 1,25-dihydroxyvitamin D were low in all except one. Seven (50%) had impaired renal function at presentation. All except the 2 oldest had low alkaline phosphatase levels for age. Once normocalcemia was achieved, hypercalcemia recurred in only 2 of these patients over observation of up to 9.8 years. One patient discontinued the ketogenic diet prior to achieving normocalcemia while 4 more stopped the diet during follow-up after resolution of hypercalcemia. CONCLUSIONS Ketotic hypercalcemia can occur years after starting the ketogenic diet, especially in the setting of renal impairment. The mechanism is unknown but appears to be due to reduced osteoblast activity and impaired bone formation. We recommend close attention to optimizing bone health in these children, and screening for the development of ketotic hypercalcemia.
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Affiliation(s)
- Colin P Hawkes
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sani M Roy
- Division of Endocrinology and Diabetes, Cook Children’s Medical Center, Fort Worth, Texas
| | - Bassem Dekelbab
- Division of Endocrinology and Diabetes, Beaumont Children’s, Royal Oak, Michigan
| | - Britney Frazier
- Multicare Mary Bridge Children’s Hospital and Health Center, Tacoma, Washington
| | - Monica Grover
- Division of Pediatric Endocrinology, Stanford University, Stanford, California
| | - Jaime Haidet
- Center for Diabetes and Endocrinology, Akron Children’s Hospital, Akron, Ohio 44308
| | - James Listman
- Pediatric Nephrology Group, Albany Medical College, Albany, New York
| | | | - Marian Roan
- Department of Clinical Nutrition, UCSF Benioff Children’s Hospital, Oakland, California
| | - Celia Rodd
- Department of Pediatrics and Child Health, The Children’s Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Aviva Sopher
- Division of Pediatric Endocrinology Diabetes and Metabolism, Columbia University Irving Medical Center, New York, New York
| | - Peter Tebben
- Division of Pediatric Endocrinology and Metabolism, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota
| | - Michael A Levine
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Correspondence and Reprint Requests: Michael A. Levine, MD, Division of Pediatric Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, ARC510A, 3615 Civic Center Blvd, Philadelphia, PA, 19104, USA. E-mail:
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21
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Gratal P, Lamuedra A, Medina JP, Bermejo-Álvarez I, Largo R, Herrero-Beaumont G, Mediero A. Purinergic System Signaling in Metainflammation-Associated Osteoarthritis. Front Med (Lausanne) 2020; 7:506. [PMID: 32984382 PMCID: PMC7485330 DOI: 10.3389/fmed.2020.00506] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/22/2020] [Indexed: 12/18/2022] Open
Abstract
Inflammation triggered by metabolic imbalance, also called metainflammation, is low-grade inflammation caused by the components involved in metabolic syndrome (MetS), including central obesity and impaired glucose tolerance. This phenomenon is mainly due to excess nutrients and energy, and it contributes to the pathogenesis of osteoarthritis (OA). OA is characterized by the progressive degeneration of articular cartilage, which suffers erosion and progressively becomes thinner. Purinergic signaling is involved in several physiological and pathological processes, such as cell proliferation in development and tissue regeneration, neurotransmission and inflammation. Adenosine and ATP receptors, and other members of the signaling pathway, such as AMP-activated protein kinase (AMPK), are involved in obesity, type 2 diabetes (T2D) and OA progression. In this review, we focus on purinergic regulation in osteoarthritic cartilage and how different components of MetS, such as obesity and T2D, modulate the purinergic system in OA. In that regard, we describe the critical role in this disease of receptors, such as adenosine A2A receptor (A2AR) and ATP P2X7 receptor. Finally, we also assess how nucleotides regulate the inflammasome in OA.
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Affiliation(s)
- Paula Gratal
- Bone and Joint Research Unit, IIS-Fundación Jiménez Díaz UAM, Madrid, Spain
| | - Ana Lamuedra
- Bone and Joint Research Unit, IIS-Fundación Jiménez Díaz UAM, Madrid, Spain
| | - Juan Pablo Medina
- Bone and Joint Research Unit, IIS-Fundación Jiménez Díaz UAM, Madrid, Spain
| | | | - Raquel Largo
- Bone and Joint Research Unit, IIS-Fundación Jiménez Díaz UAM, Madrid, Spain
| | | | - Aránzazu Mediero
- Bone and Joint Research Unit, IIS-Fundación Jiménez Díaz UAM, Madrid, Spain
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22
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Bianchi ML, Bishop NJ, Guañabens N, Hofmann C, Jakob F, Roux C, Zillikens MC. Hypophosphatasia in adolescents and adults: overview of diagnosis and treatment. Osteoporos Int 2020; 31:1445-1460. [PMID: 32162014 DOI: 10.1007/s00198-020-05345-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 02/11/2020] [Indexed: 12/11/2022]
Abstract
This article provides an overview of the current knowledge on hypophosphatasia-a rare genetic disease of very variable presentation and severity-with a special focus on adolescents and adults. It summarizes the available information on the many known mutations of tissue-nonspecific alkaline phosphatase (TNSALP), the epidemiology and clinical presentation of the disease in adolescents and adults, and the essential diagnostic clues. The last section reviews the therapeutic approaches, including recent reports on enzyme replacement therapy (EnzRT).
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Affiliation(s)
- M L Bianchi
- Laboratorio sperimentale di ricerche sul metabolismo osseo infantile, Centro Malattie Metaboliche Ossee, Istituto Auxologico Italiano IRCCS, Milan, Italy.
| | - N J Bishop
- Department of Oncology and Metabolism, University of Sheffield, Sheffield Children's NHS Foundation Trust, Sheffield, UK
| | - N Guañabens
- Servicio de Reumatología, Hospital Clínic, Universidad de Barcelona, IDIBAPS CIBERehd, Barcelona, Spain
| | - C Hofmann
- Children's Hospital, University of Würzburg, Würzburg, Germany
| | - F Jakob
- Orthopedic Centre for Musculoskeletal Research, University of Würzburg, Würzburg, Germany
| | - C Roux
- INSERM U1153 APHP Centre, Université de Paris, Department of Rheumatology, Paris, France
| | - M C Zillikens
- Department of Internal Medicine, Endocrinology Section, Erasmus Medical Centre, Rotterdam, The Netherlands
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23
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Hannah SS, McFadden S, McNeilly A, McClean C. "Take My Bone Away?" Hypoxia and bone: A narrative review. J Cell Physiol 2020; 236:721-740. [PMID: 32643217 DOI: 10.1002/jcp.29921] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/18/2020] [Accepted: 06/19/2020] [Indexed: 12/11/2022]
Abstract
To maintain normal cellular and physiological function, sufficient oxygen is required. Recently, evidence has suggested that hypoxia, either pathological or environmental, may influence bone health. It appears that bone cells are distinctly responsive to hypoxic stimuli; for better or worse, this is still yet to be elucidated. Hypoxia has been shown to offer potentially therapeutic effects for bone by inducing an osteogenic-angiogenic response, although, others have noted excessive osteoclastic bone resorption instead. Much evidence suggests that the hypoxic-inducible pathway is integral in mediating the changes in bone metabolism. Furthermore, many factors associated with hypoxia including changes in energy metabolism, acid-base balance and the increased generation of reactive oxygen species, are known to influence bone metabolism. This review aims to examine some of the putative mechanisms responsible for hypoxic-induced alterations of bone metabolism, with regard to osteoclasts and osteoblasts, both positive and negative.
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Affiliation(s)
- Scott S Hannah
- Sport and Exercise Sciences Research Institute, Ulster University, Newtownabbey, Antrim, UK
| | - Sonyia McFadden
- Institute of Nursing and Health Research, Ulster University, Newtownabbey, Antrim, UK
| | - Andrea McNeilly
- Sport and Exercise Sciences Research Institute, Ulster University, Newtownabbey, Antrim, UK
| | - Conor McClean
- Sport and Exercise Sciences Research Institute, Ulster University, Newtownabbey, Antrim, UK
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Carluccio M, Ziberi S, Zuccarini M, Giuliani P, Caciagli F, Di Iorio P, Ciccarelli R. Adult mesenchymal stem cells: is there a role for purine receptors in their osteogenic differentiation? Purinergic Signal 2020; 16:263-287. [PMID: 32500422 DOI: 10.1007/s11302-020-09703-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 05/04/2020] [Indexed: 02/06/2023] Open
Abstract
The role played by mesenchymal stem cells (MSCs) in contributing to adult tissue homeostasis and damage repair thanks to their differentiation capabilities has raised a great interest, mainly in bone regenerative medicine. The growth/function of these undifferentiated cells of mesodermal origin, located in specialized structures (niches) of differentiated organs is influenced by substances present in this microenvironment. Among them, ancestral and ubiquitous molecules such as adenine-based purines, i.e., ATP and adenosine, may be included. Notably, extracellular purine concentrations greatly increase during tissue injury; thus, MSCs are exposed to effects mediated by these agents interacting with their own receptors when they act/migrate in vivo or are transplanted into a damaged tissue. Here, we reported that ATP modulates MSC osteogenic differentiation via different P2Y and P2X receptors, but data are often inconclusive/contradictory so that the ATP receptor importance for MSC physiology/differentiation into osteoblasts is yet undetermined. An exception is represented by P2X7 receptors, whose expression was shown at various differentiation stages of bone cells resulting essential for differentiation/survival of both osteoclasts and osteoblasts. As well, adenosine, usually derived from extracellular ATP metabolism, can promote osteogenesis, likely via A2B receptors, even though findings from human MSCs should be implemented and confirmed in preclinical models. Therefore, although many data have revealed possible effects caused by extracellular purines in bone healing/remodeling, further studies, hopefully performed in in vivo models, are necessary to identify defined roles for these compounds in favoring/increasing the pro-osteogenic properties of MSCs and thereby their usefulness in bone regenerative medicine.
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Affiliation(s)
- Marzia Carluccio
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy.,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy.,StemTeCh Group, Via L. Polacchi, 66100, Chieti, Italy
| | - Sihana Ziberi
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy.,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy.,StemTeCh Group, Via L. Polacchi, 66100, Chieti, Italy
| | - Mariachiara Zuccarini
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy.,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy
| | - Patricia Giuliani
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy.,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy
| | - Francesco Caciagli
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy
| | - Patrizia Di Iorio
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy.,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy
| | - Renata Ciccarelli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100, Chieti, Italy. .,Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100, Chieti, Italy. .,StemTeCh Group, Via L. Polacchi, 66100, Chieti, Italy.
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Jackson EK, Gillespie DG, Cheng D, Mi Z, Menshikova EV. Characterization of the N 6-etheno-bridge method to assess extracellular metabolism of adenine nucleotides: detection of a possible role for purine nucleoside phosphorylase in adenosine metabolism. Purinergic Signal 2020; 16:187-211. [PMID: 32367441 PMCID: PMC7367995 DOI: 10.1007/s11302-020-09699-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 04/08/2020] [Indexed: 12/11/2022] Open
Abstract
The goal of this study was to determine the validity of using N6-etheno-bridged adenine nucleotides to evaluate ecto-nucleotidase activity. We observed that the metabolism of N6-etheno-ATP versus ATP was quantitatively similar when incubated with recombinant CD39, ENTPD2, ENTPD3, or ENPP-1, and the quantitative metabolism of N6-etheno-AMP versus AMP was similar when incubated with recombinant CD73. This suggests that ecto-nucleotidases process N6-etheno-bridged adenine nucleotides similarly to endogenous adenine nucleotides. Four cell types rapidly (t1/2, 0.21 to 0.66 h) metabolized N6-etheno-ATP. Applied N6-etheno-ATP was recovered in the medium as N6-etheno-ADP, N6-etheno-AMP, N6-etheno-adenosine, and surprisingly N6-etheno-adenine; intracellular N6-etheno compounds were undetectable. This suggests minimal cellular uptake, intracellular metabolism, or deamination of these compounds. N6-etheno-ATP, N6-etheno-ADP, N6-etheno-AMP, N6-etheno-adenosine, and N6-etheno-adenine had little affinity for recombinant A1, A2A, or A2B receptors, for a subset of P2X receptors (3H-α,β-methylene-ATP binding to rat bladder membranes), or for a subset of P2Y receptors (35S-ATP-αS binding to rat brain membranes), suggesting minimal pharmacological activity. N6-etheno-adenosine was partially converted to N6-etheno-adenine in four different cell types; this was blocked by purine nucleoside phosphorylase (PNPase) inhibition. Intravenous N6-etheno-ATP was quickly metabolized, with N6-etheno-adenine being the main product in naïve rats, but not in rats pretreated with a PNPase inhibitor. PNPase inhibition reduced the urinary excretion of endogenous adenine and attenuated the conversion of exogenous adenosine to adenine in the renal cortex. The N6-etheno-bridge method is a valid technique to assess extracellular metabolism of adenine nucleotides by ecto-nucleotidases. Also, rats express an enzyme with PNPase-like activity that metabolizes N6-etheno-adenosine to N6-etheno-adenine.
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Affiliation(s)
- Edwin K. Jackson
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, 100 Technology Drive, Room 514, Pittsburgh, PA 15219 USA
| | - Delbert G. Gillespie
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, 100 Technology Drive, Room 514, Pittsburgh, PA 15219 USA
| | - Dongmei Cheng
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, 100 Technology Drive, Room 514, Pittsburgh, PA 15219 USA
| | - Zaichuan Mi
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, 100 Technology Drive, Room 514, Pittsburgh, PA 15219 USA
| | - Elizabeth V. Menshikova
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, 100 Technology Drive, Room 514, Pittsburgh, PA 15219 USA
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Chandrasekaran B, Samarneh S, Jaber AMY, Kassab G, Agrawal N. Therapeutic Potentials of A2B Adenosine Receptor Ligands: Current Status and Perspectives. Curr Pharm Des 2020; 25:2741-2771. [PMID: 31333084 DOI: 10.2174/1381612825666190717105834] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 07/03/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Adenosine receptors (ARs) are classified as A1, A2A, A2B, and A3 subtypes belong to the superfamily of G-protein coupled receptors (GPCRs). More than 40% of modern medicines act through either activation or inhibition of signaling processes associated with GPCRs. In particular, A2B AR signaling pathways are implicated in asthma, inflammation, cancer, ischemic hyperfusion, diabetes mellitus, cardiovascular diseases, gastrointestinal disorders, and kidney disease. METHODS This article reviews different disease segments wherein A2B AR is implicated and discusses the potential role of subtype-selective A2B AR ligands in the management of such diseases or disorders. All the relevant publications on this topic are reviewed and presented scientifically. RESULTS This review provides an up-to-date highlight of the recent advances in the development of novel and selective A2B AR ligands and their therapeutic role in treating various disease conditions. A special focus has been given to the therapeutic potentials of selective A2B AR ligands in the management of airway inflammatory conditions and cancer. CONCLUSIONS This systematic review demonstrates the current status and perspectives of A2B AR ligands as therapeutically useful agents that would assist medicinal chemists and pharmacologists in discovering novel and subtype-selective A2B AR ligands as potential drug candidates.
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Affiliation(s)
- Balakumar Chandrasekaran
- Faculty of Pharmacy, Philadelphia University-Jordan, P. O. Box: 1, Philadelphia University-19392, Amman, Jordan
| | - Sara Samarneh
- Faculty of Pharmacy, Philadelphia University-Jordan, P. O. Box: 1, Philadelphia University-19392, Amman, Jordan
| | - Abdul Muttaleb Yousef Jaber
- Faculty of Pharmacy, Philadelphia University-Jordan, P. O. Box: 1, Philadelphia University-19392, Amman, Jordan
| | - Ghadir Kassab
- Faculty of Pharmacy, Philadelphia University-Jordan, P. O. Box: 1, Philadelphia University-19392, Amman, Jordan
| | - Nikhil Agrawal
- College of Health Sciences, University of KwaZulu-Natal, P. O. Box: 4000, Westville, Durban, South Africa
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Cheng X, Cheng G, Xing X, Yin C, Cheng Y, Zhou X, Jiang S, Tao F, Deng H, Li Z. Controlled release of adenosine from core-shell nanofibers to promote bone regeneration through STAT3 signaling pathway. J Control Release 2020; 319:234-245. [DOI: 10.1016/j.jconrel.2019.12.048] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/16/2019] [Accepted: 12/28/2019] [Indexed: 12/13/2022]
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Pinto-Cardoso R, Pereira-Costa F, Pedro Faria J, Bandarrinha P, Bessa-Andrês C, Correia-de-Sá P, Bernardo Noronha-Matos J. Adenosinergic signalling in chondrogenesis and cartilage homeostasis: Friend or foe? Biochem Pharmacol 2019; 174:113784. [PMID: 31884043 DOI: 10.1016/j.bcp.2019.113784] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 12/23/2019] [Indexed: 12/11/2022]
Abstract
Chondrocytes and their mesenchymal cell progenitors secrete a variety of bioactive molecules, including adenine nucleotides and nucleosides, but these molecules are not usually highlighted in review papers about the secretome of these cells. Ageing and inflammatory insults compromise chondrocytes ability to keep ATP/adenosine synthesis, release and turnover. Cartilage homeostasis depends on extracellular adenosine levels, which acting via four P1 purinoceptor subtypes modulates the release of pro-inflammatory mediators, including NO, PGE2 and several cytokines. Native articular cartilage is challenged by synovial fluid flow during normal joint motion transiently increasing ATP release and adenosine formation in the joint microenvironment. Excessive joint motion and shockwave trauma are deleterious to cartilage homeostasis due to HIF-1α overexpression, resulting in disproportionate ecto-5'-nucleotidase/CD73 production, adenosine accumulation and superfluous A2B receptors activation. Scarcity of data however exists on the putative interplay between coexistent high affinity (A2A and A3) and low affinity (A2B) adenosine receptors activation affecting stem cells fate towards preferential chondrogenic or osteogenic lineages in the human cartilage. Hints gathered in this commentary result mainly from studies using human immortalized cell lines and animal (e.g. rodent, equine, bovine) tissue samples. The available data point towards adenosine A2A and A3 receptors having cartilage protective roles, while excessive adenosine accumulation may be detrimental via low affinity A2B receptors activation, with little reference to the putative role of the adenosine forming enzyme ecto-5'-nucleotidase/CD73. Thus, emphasizing the multiple pathways responsible for controlling adenosine signalling in cartilage will certainly impact on the search for novel therapeutic targets for highly disabling articular disorders.
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Affiliation(s)
- Rui Pinto-Cardoso
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal
| | - Flávio Pereira-Costa
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal
| | - João Pedro Faria
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal
| | - Patrícia Bandarrinha
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal
| | - Catarina Bessa-Andrês
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal.
| | - José Bernardo Noronha-Matos
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP), Portugal.
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The Adenosine A 2B Receptor Drives Osteoclast-Mediated Bone Resorption in Hypoxic Microenvironments. Cells 2019; 8:cells8060624. [PMID: 31234425 PMCID: PMC6628620 DOI: 10.3390/cells8060624] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/12/2019] [Accepted: 06/20/2019] [Indexed: 02/07/2023] Open
Abstract
Osteoclast-mediated bone destruction is amplified in the hypoxic synovial microenvironment of rheumatoid arthritis (RA). This increased bone resorption is driven by the hypoxia-inducible transcription factor HIF. We identified hypoxic induction of the HIF-regulated adenosine A2B receptor in primary human osteoclasts (mRNA, 3.8-fold increase, p < 0.01) and sought to identify the role(s) of purinergic signaling via this receptor in the bone resorption process. Primary human osteoclasts were differentiated from CD14+ monocytes and exposed to hypoxia (2% O2) and A2B receptor inhibitors (MRS1754, PSB603). The hypoxic increase in bone resorption was prevented by the inhibition of the A2B receptor, at least partly by the attenuation of glycolytic and mitochondrial metabolism via inhibition of HIF. A2B receptor inhibition also reduced osteoclastogenesis in hypoxia by inhibiting early cell fusion (day 3–4, p < 0.05). The A2B receptor is only functional in hypoxic or inflammatory environments when the extracellular concentrations of adenosine (1.6-fold increase, p < 0.05) are sufficient to activate the receptor. Inhibition of the A2B receptor under normoxic conditions therefore did not affect any parameter tested. Reciprocal positive regulation of HIF and the A2B receptor in a hypoxic microenvironment thus enhances glycolytic and mitochondrial metabolism in osteoclasts to drive increased bone resorption. A2B receptor inhibition could potentially prevent the pathological osteolysis associated with hypoxic diseases such as rheumatoid arthritis.
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Plotkin LI, Bruzzaniti A. Molecular signaling in bone cells: Regulation of cell differentiation and survival. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 116:237-281. [PMID: 31036293 PMCID: PMC7416488 DOI: 10.1016/bs.apcsb.2019.01.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The achievement of proper bone mass and architecture, and their maintenance throughout life requires the concerted actions of osteoblasts, the bone forming cells, and osteoclasts, the bone resorbing cells. The differentiation and activity of osteoblasts and osteoclasts are regulated by molecules produced by matrix-embedded osteocytes, as well as by cross talk between osteoblasts and osteoclasts through secreted factors. In addition, it is likely that direct contact between osteoblast and osteoclast precursors, and the contact of these cells with osteocytes and cells in the bone marrow, also modulates bone cell differentiation and function. With the advancement of molecular and genetic tools, our comprehension of the intracellular signals activated in bone cells has evolved significantly, from early suggestions that osteoblasts and osteoclasts have common precursors and that osteocytes are inert cells in the bone matrix, to the very sophisticated understanding of a network of receptors, ligands, intracellular kinases/phosphatases, transcription factors, and cell-specific genes that are known today. These advances have allowed the design and FDA-approval of new therapies to preserve and increase bone mass and strength in a wide variety of pathological conditions, improving bone health from early childhood to the elderly. We have summarized here the current knowledge on selected intracellular signal pathways activated in osteoblasts, osteocytes, and osteoclasts.
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Affiliation(s)
- Lilian I Plotkin
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, United States; Indiana Center for Musculoskeletal Health, Indianapolis, IN, United States; Roudebush Veterans Administration Medical Center, Indianapolis, IN, United States.
| | - Angela Bruzzaniti
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, United States; Indiana Center for Musculoskeletal Health, Indianapolis, IN, United States; Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, IN, United States
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31
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Ottensmeyer PF, Witzler M, Schulze M, Tobiasch E. Small Molecules Enhance Scaffold-Based Bone Grafts via Purinergic Receptor Signaling in Stem Cells. Int J Mol Sci 2018; 19:E3601. [PMID: 30441872 PMCID: PMC6274752 DOI: 10.3390/ijms19113601] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/08/2018] [Accepted: 11/09/2018] [Indexed: 12/15/2022] Open
Abstract
The need for bone grafts is high, due to age-related diseases, such as tumor resections, but also accidents, risky sports, and military conflicts. The gold standard for bone grafting is the use of autografts from the iliac crest, but the limited amount of accessible material demands new sources of bone replacement. The use of mesenchymal stem cells or their descendant cells, namely osteoblast, the bone-building cells and endothelial cells for angiogenesis, combined with artificial scaffolds, is a new approach. Mesenchymal stem cells (MSCs) can be obtained from the patient themselves, or from donors, as they barely cause an immune response in the recipient. However, MSCs never fully differentiate in vitro which might lead to unwanted effects in vivo. Interestingly, purinergic receptors can positively influence the differentiation of both osteoblasts and endothelial cells, using specific artificial ligands. An overview is given on purinergic receptor signaling in the most-needed cell types involved in bone metabolism-namely osteoblasts, osteoclasts, and endothelial cells. Furthermore, different types of scaffolds and their production methods will be elucidated. Finally, recent patents on scaffold materials, as wells as purinergic receptor-influencing molecules which might impact bone grafting, are discussed.
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Affiliation(s)
- Patrick Frank Ottensmeyer
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Markus Witzler
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Margit Schulze
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Edda Tobiasch
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
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32
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Baba M, Endoh M, Ma W, Toyama H, Hirayama A, Nishikawa K, Takubo K, Hano H, Hasumi H, Umemoto T, Hashimoto M, Irie N, Esumi C, Kataoka M, Nakagata N, Soga T, Yao M, Kamba T, Minami T, Ishii M, Suda T. Folliculin Regulates Osteoclastogenesis Through Metabolic Regulation. J Bone Miner Res 2018; 33:1785-1798. [PMID: 29893999 PMCID: PMC6220829 DOI: 10.1002/jbmr.3477] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 05/08/2018] [Accepted: 05/23/2018] [Indexed: 12/19/2022]
Abstract
Osteoclast differentiation is a dynamic differentiation process, which is accompanied by dramatic changes in metabolic status as well as in gene expression. Recent findings have revealed an essential connection between metabolic reprogramming and dynamic gene expression changes during osteoclast differentiation. However, the upstream regulatory mechanisms that drive these metabolic changes in osteoclastogenesis remain to be elucidated. Here, we demonstrate that induced deletion of a tumor suppressor gene, Folliculin (Flcn), in mouse osteoclast precursors causes severe osteoporosis in 3 weeks through excess osteoclastogenesis. Flcn-deficient osteoclast precursors reveal cell autonomous accelerated osteoclastogenesis with increased sensitivity to receptor activator of NF-κB ligand (RANKL). We demonstrate that Flcn regulates oxidative phosphorylation and purine metabolism through suppression of nuclear localization of the transcription factor Tfe3, thereby inhibiting expression of its target gene Pgc1. Metabolome studies revealed that Flcn-deficient osteoclast precursors exhibit significant augmentation of oxidative phosphorylation and nucleotide production, resulting in an enhanced purinergic signaling loop that is composed of controlled ATP release and autocrine/paracrine purinergic receptor stimulation. Inhibition of this purinergic signaling loop efficiently blocks accelerated osteoclastogenesis in Flcn-deficient osteoclast precursors. Here, we demonstrate an essential and novel role of the Flcn-Tfe3-Pgc1 axis in osteoclastogenesis through the metabolic reprogramming of oxidative phosphorylation and purine metabolism. © 2018 The Authors Journal of Bone and Mineral Research published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Masaya Baba
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Mitsuhiro Endoh
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
- Cancer Science Institute of SingaporeNational University of SingaporeCentre for Translational MedicineSingapore
| | - Wenjuan Ma
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Hirofumi Toyama
- Department of Cell DifferentiationThe Sakaguchi Laboratory of Developmental BiologySchool of MedicineKeio UniversityTokyoJapan
| | | | - Keizo Nishikawa
- Immunology Frontier Research CenterOsaka UniversityOsakaJapan
| | - Keiyo Takubo
- Department of Cell DifferentiationThe Sakaguchi Laboratory of Developmental BiologySchool of MedicineKeio UniversityTokyoJapan
- Department of Stem Cell BiologyResearch InstituteNational Center for Global Health and MedicineTokyoJapan
| | - Hiroyuki Hano
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Hisashi Hasumi
- Department of UrologyYokohama City University Graduate School of MedicineYokohamaJapan
| | - Terumasa Umemoto
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Michihiro Hashimoto
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Nobuko Irie
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Chiharu Esumi
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Miho Kataoka
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
| | - Naomi Nakagata
- Division of Reproductive EngineeringCenter for Animal Resources and Development (CARD)Kumamoto UniversityKumamotoJapan
| | - Tomoyoshi Soga
- Institute for Advanced BiosciencesKeio UniversityYamagataJapan
| | - Masahiro Yao
- Department of UrologyYokohama City University Graduate School of MedicineYokohamaJapan
| | - Tomomi Kamba
- Department of UrologyFaculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Takashi Minami
- Division of Molecular and Vascular BiologyInstitute of Resource Development and Analysis (IRDA)Kumamoto UniversityKumamotoJapan
| | - Masaru Ishii
- Department of Immunology and Cell BiologyGraduate School of Medicine and Frontier BiosciencesOsaka UniversityOsakaJapan
| | - Toshio Suda
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
- Cancer Science Institute of SingaporeNational University of SingaporeCentre for Translational MedicineSingapore
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33
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Shkhyan R, Lee S, Gullo F, Li L, Peleli M, Carlstrom M, Chagin AS, Banks NW, Limfat S, Liu NQ, Evseenko D. Genetic ablation of adenosine receptor A3 results in articular cartilage degeneration. J Mol Med (Berl) 2018; 96:1049-1060. [PMID: 30088034 DOI: 10.1007/s00109-018-1680-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 07/22/2018] [Accepted: 07/31/2018] [Indexed: 12/01/2022]
Abstract
Osteoarthritis (OA), the most common form of arthritis, is characterized by inflammation of joints and cartilage degradation leading to disability, discomfort, severe pain, inflammation, and stiffness of the joint. It has been shown that adenosine, a purine nucleoside composed of adenine attached to ribofuranose, is enzymatically produced by the human synovium. However, the functional significance of adenosine signaling in homeostasis and pathology of synovial joints remains unclear. Adenosine acts through four cell surface receptors, i.e., A1, A2A, A2B, and A3, and here, we have systematically analyzed mice with a deficiency for A3 receptor as well as pharmacological modulations of this receptor with specific analogs. The data show that adenosine receptor signaling plays an essential role in downregulating catabolic mechanisms resulting in prevention of cartilage degeneration. Ablation of A3 resulted in development of OA in aged mice. Mechanistically, A3 signaling inhibited cellular catabolic processes in chondrocytes including downregulation of Ca2+/calmodulin-dependent protein kinase (CaMKII), an enzyme that promotes matrix degradation and inflammation, as well as Runt-related transcription factor 2 (RUNX2). Additionally, selective A3 agonists protected chondrocytes from cell apoptosis caused by pro-inflammatory cytokines or hypo-osmotic stress. These novel data illuminate the protective role of A3, which is mediated via inhibition of intracellular CaMKII kinase and RUNX2 transcription factor, the two major pro-catabolic regulators in articular cartilage. KEY MESSAGES Adenosine receptor A3 (A3) knockout results in progressive loss of articular cartilage in vivo. Ablation of A3 results in activation of matrix degradation and cartilage hypertrophy. A3 agonists downregulate RUNX2 and CaMKII expression in osteoarthritic human articular chondrocytes. A3 prevents articular cartilage matrix degradation induced by inflammation and osmotic fluctuations. A3 agonist inhibits proteolytic activity of cartilage-degrading enzymes.
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Affiliation(s)
- Ruzanna Shkhyan
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA.,Department of Orthopaedic Surgery, David Geffen School of Medicine (DGSOM), UCLA, Los Angeles, CA, USA
| | - Siyoung Lee
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA.,Department of Orthopaedic Surgery, David Geffen School of Medicine (DGSOM), UCLA, Los Angeles, CA, USA
| | - Francesca Gullo
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA.,Department of Orthopaedic Surgery, David Geffen School of Medicine (DGSOM), UCLA, Los Angeles, CA, USA
| | - Lei Li
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Maria Peleli
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Mattias Carlstrom
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Andrei S Chagin
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.,Institute for Regenerative Medicine, Sechenov Moscow Medical University, Moscow, Russia
| | - Nicholas W Banks
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA
| | - Sean Limfat
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA
| | - Nancy Q Liu
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA
| | - Denis Evseenko
- Department of Orthopaedic Surgery, University of Southern California (USC), Los Angeles, CA, USA. .,Department of Orthopaedic Surgery, David Geffen School of Medicine (DGSOM), UCLA, Los Angeles, CA, USA. .,Department of Stem Cell Research and Regenerative Medicine, University of Southern California (USC), Los Angeles, CA, USA.
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34
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Walsh MC, Takegahara N, Kim H, Choi Y. Updating osteoimmunology: regulation of bone cells by innate and adaptive immunity. Nat Rev Rheumatol 2018; 14:146-156. [PMID: 29323344 DOI: 10.1038/nrrheum.2017.213] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Osteoimmunology encompasses all aspects of the cross-regulation of bone and the immune system, including various cell types, signalling pathways, cytokines and chemokines, under both homeostatic and pathogenic conditions. A number of key areas are of increasing interest and relevance to osteoimmunology researchers. Although rheumatoid arthritis has long been recognized as one of the most common autoimmune diseases to affect bone integrity, researchers have focused increased attention on understanding how molecular triggers and innate signalling pathways (such as Toll-like receptors and purinergic signalling pathways) related to pathogenic and/or commensal microbiota are relevant to bone biology and rheumatic diseases. Additionally, although most discussions relating to osteoimmune regulation of homeostasis and disease have focused on the effects of adaptive immune responses on bone, evidence exists of the regulation of immune cells by bone cells, a concept that is consistent with the established role of the bone marrow in the development and homeostasis of the immune system. The active regulation of immune cells by bone cells is an interesting emerging component of investigations that seek to understand how to control immune-associated diseases of the bone and joints.
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Affiliation(s)
- Matthew C Walsh
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Noriko Takegahara
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Hyunsoo Kim
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Yongwon Choi
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
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35
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Benameur L, Baudequin T, Mekhail M, Tabrizian M. The bioconjugation mechanism of purine cross-linkers affects microstructure and cell response to ultra rapidly gelling purine–chitosan sponges. J Mater Chem B 2018; 6:602-613. [DOI: 10.1039/c7tb02968c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
As a cell carrier, cross-linking is one of the most common approaches used to provide chitosan with greater structural integrity.
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Affiliation(s)
- Laila Benameur
- Department of Biomedical Engineering
- McGill University
- Montreal
- Canada
| | | | - Mina Mekhail
- Department of Biomedical Engineering
- McGill University
- Montreal
- Canada
| | - Maryam Tabrizian
- Department of Biomedical Engineering
- McGill University
- Montreal
- Canada
- Faculty of Dentistry
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36
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McCutchen CN, Zignego DL, June RK. Metabolic responses induced by compression of chondrocytes in variable-stiffness microenvironments. J Biomech 2017; 64:49-58. [PMID: 28985893 DOI: 10.1016/j.jbiomech.2017.08.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 08/22/2017] [Accepted: 08/27/2017] [Indexed: 11/16/2022]
Abstract
Cells sense and respond to mechanical loads in a process called mechanotransduction. These processes are disrupted in the chondrocytes of cartilage during joint disease. A key driver of cellular mechanotransduction is the stiffness of the surrounding matrix. Many cells are surrounded by extracellular matrix that allows for tissue mechanical function. Although prior studies demonstrate that extracellular stiffness is important in cell differentiation, morphology and phenotype, it remains largely unknown how a cell's biological response to cyclical loading varies with changes in surrounding substrate stiffness. Understanding these processes is important for understanding cells that are cyclically loaded during daily in vivo activities (e.g. chondrocytes and walking). This study uses high-performance liquid chromatography - mass spectrometry to identify metabolomic changes in primary chondrocytes under cyclical compression for 0-30minutes in low- and high-stiffness environments. Metabolomic analysis reveals metabolites and pathways that are sensitive to substrate stiffness, duration of cyclical compression, and a combination of both suggesting changes in extracellular stiffness in vivo alter mechanosensitive signaling. Our results further suggest that cyclical loading minimizes matrix deterioration and increases matrix production in chondrocytes. This study shows the importance of modeling in vivo stiffness with in vitro models to understand cellular mechanotransduction.
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Affiliation(s)
- Carley N McCutchen
- Department of Mechanical & Industrial Engineering, Montana State University, United States
| | - Donald L Zignego
- Department of Mechanical & Industrial Engineering, Montana State University, United States
| | - Ronald K June
- Department of Mechanical & Industrial Engineering, Montana State University, United States; Department of Cell Biology & Neurosciences, Montana State University, United States; Department of Orthopaedics & Sports Medicine, University of Washington, United States.
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37
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D'Alimonte I, Mastrangelo F, Giuliani P, Pierdomenico L, Marchisio M, Zuccarini M, Di Iorio P, Quaresima R, Caciagli F, Ciccarelli R. Osteogenic Differentiation of Mesenchymal Stromal Cells: A Comparative Analysis Between Human Subcutaneous Adipose Tissue and Dental Pulp. Stem Cells Dev 2017; 26:843-855. [DOI: 10.1089/scd.2016.0190] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Iolanda D'Alimonte
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
- Department of Aging Research Center and Translational Medicine (CeSI-MeT), University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Chieti, Italy
| | - Filiberto Mastrangelo
- Unit of Dentistry, IRCCS San Raffaele Scientific Institute, Vita e Salute University, Milano, Italy
| | - Patricia Giuliani
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
| | - Laura Pierdomenico
- Department of Medicine and Aging Science, University of Chieti-Pescara, Chieti, Italy
- Department of Aging Research Center and Translational Medicine (CeSI-MeT), University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Chieti, Italy
| | - Marco Marchisio
- Department of Medicine and Aging Science, University of Chieti-Pescara, Chieti, Italy
- Department of Aging Research Center and Translational Medicine (CeSI-MeT), University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Chieti, Italy
| | - Mariachiara Zuccarini
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
- Department of Aging Research Center and Translational Medicine (CeSI-MeT), University of Chieti-Pescara, Chieti, Italy
| | - Patrizia Di Iorio
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
| | - Raimondo Quaresima
- Department of Civil Engineering, Architecture and Environment, University of L'Aquila, L'Aquila, Italy
| | - Francesco Caciagli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
| | - Renata Ciccarelli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
- Department of Aging Research Center and Translational Medicine (CeSI-MeT), University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Chieti, Italy
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38
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The Signaling Pathways Involved in Chondrocyte Differentiation and Hypertrophic Differentiation. Stem Cells Int 2016; 2016:2470351. [PMID: 28074096 PMCID: PMC5198191 DOI: 10.1155/2016/2470351] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 11/22/2016] [Indexed: 12/19/2022] Open
Abstract
Chondrocytes communicate with each other mainly via diffusible signals rather than direct cell-to-cell contact. The chondrogenic differentiation of mesenchymal stem cells (MSCs) is well regulated by the interactions of varieties of growth factors, cytokines, and signaling molecules. A number of critical signaling molecules have been identified to regulate the differentiation of chondrocyte from mesenchymal progenitor cells to their terminal maturation of hypertrophic chondrocytes, including bone morphogenetic proteins (BMPs), SRY-related high-mobility group-box gene 9 (Sox9), parathyroid hormone-related peptide (PTHrP), Indian hedgehog (Ihh), fibroblast growth factor receptor 3 (FGFR3), and β-catenin. Except for these molecules, other factors such as adenosine, O2 tension, and reactive oxygen species (ROS) also have a vital role in cartilage formation and chondrocyte maturation. Here, we outlined the complex transcriptional network and the function of key factors in this network that determine and regulate the genetic program of chondrogenesis and chondrocyte differentiation.
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39
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Cronstein BN, Sitkovsky M. Adenosine and adenosine receptors in the pathogenesis and treatment of rheumatic diseases. Nat Rev Rheumatol 2016; 13:41-51. [PMID: 27829671 DOI: 10.1038/nrrheum.2016.178] [Citation(s) in RCA: 168] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Adenosine, a nucleoside derived primarily from the extracellular hydrolysis of adenine nucleotides, is a potent regulator of inflammation. Adenosine mediates its effects on inflammatory cells by engaging one or more cell-surface receptors. The expression and function of adenosine receptors on different cell types change during the course of rheumatic diseases, such as rheumatoid arthritis (RA). Targeting adenosine receptors directly for the treatment of rheumatic diseases is currently under study; however, indirect targeting of adenosine receptors by enhancing adenosine levels at inflamed sites accounts for most of the anti-inflammatory effects of methotrexate, the anchor drug for the treatment of RA. In this Review, we discuss the regulation of extracellular adenosine levels and the role of adenosine in regulating the inflammatory and immune responses in rheumatic diseases such as RA, psoriasis and other types of inflammatory arthritis. In addition, adenosine and its receptors are involved in promoting fibrous matrix production in the skin and other organs, and the role of adenosine in fibrosis and fibrosing diseases is also discussed.
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Affiliation(s)
- Bruce N Cronstein
- NYU-HHC Clinical and Translational Science Institute, NYU School of Medicine, 550 First Avenue, New York, New York 10016, USA
| | - Michail Sitkovsky
- New England Inflammation and Tissue Protection Institute, Northeastern University, 360 Huntington Avenue, 312 MU, Boston, Massachusetts 02115, USA
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