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Kiełbowski K, Herian M, Bakinowska E, Banach B, Sroczyński T, Pawlik A. The Role of Genetics and Epigenetic Regulation in the Pathogenesis of Osteoarthritis. Int J Mol Sci 2023; 24:11655. [PMID: 37511413 PMCID: PMC10381003 DOI: 10.3390/ijms241411655] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Osteoarthritis (OA) is progressive disease characterised by cartilage degradation, subchondral bone remodelling and inflammation of the synovium. The disease is associated with obesity, mechanical load and age. However, multiple pro-inflammatory immune mediators regulate the expression of metalloproteinases, which take part in cartilage degradation. Furthermore, genetic factors also contribute to OA susceptibility. Recent studies have highlighted that epigenetic mechanisms may regulate the expression of OA-associated genes. This review aims to present the mechanisms of OA pathogenesis and summarise current evidence regarding the role of genetics and epigenetics in this process.
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Affiliation(s)
| | | | | | | | | | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, 70-111 Szczecin, Poland; (K.K.); (M.H.); (E.B.); (B.B.); (T.S.)
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2
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RNA Extraction from Cartilage: Issues, Methods, Tips. Int J Mol Sci 2023; 24:ijms24032120. [PMID: 36768444 PMCID: PMC9917073 DOI: 10.3390/ijms24032120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/07/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
The increase in degenerative diseases involving articular cartilage has pushed research to focus on their pathogenesis and treatment, exploiting increasingly complex techniques. Gene expression analyses from tissue are representative of the in vivo situation, but the protocols to be applied to obtain a reliable analysis are not completely cleared through customs. Thus, RNA extraction from fresh samples and specifically from musculoskeletal tissue such as cartilage is still a challenging issue. The aim of the review is to provide an overview of the techniques described in the literature for RNA extraction, highlighting limits and possibilities. The research retrieved 65 papers suitable for the purposes. The results highlighted the great difficulty in comparing the different studies, both for the sources of tissue used and for the techniques employed, as well as the details about protocols. Few papers compared different RNA extraction methods or homogenization techniques; the case study reported by authors about RNA extraction from sheep cartilage has not found an analog in the literature, confirming the existence of a relevant blank on studies about RNA extraction from cartilage tissue. However, the state of the art depicted can be used as a starting point to improve and expand studies on this topic.
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Ageing and Osteoarthritis Synergically Affect Human Synoviocyte Cells: An In Vitro Study on Sex Differences. J Clin Med 2022; 11:jcm11237125. [PMID: 36498698 PMCID: PMC9739144 DOI: 10.3390/jcm11237125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
Osteoarthritis is a chronic inflammatory disease that affects all of the joints, especially those of the elderly. Aging is a natural and irreversible biological process implicated in the pathophysiology of many chronic diseases, such as osteoarthritis. Inflammation and oxidative stress are the main factors involved in osteoarthritis and aging, respectively, with the production of several pro-inflammatory cytokines such as Interleukin 1β (IL1β) and reactive oxygen species. The aim of the study was to set-up an in vitro model of osteoarthritis and aging, focusing on the sex differences by culturing male and female fibroblast-like synoviocytes (FLSs) with IL1β, hydrogen peroxide (H2O2), IL1β+H2O2 or a growth medium (control). IL1β+H2O2 reduced the cell viability and microwound healing potential, increased Caspase-3 expression and reactive oxygen species and IL6 production; IL1β increased IL6 production more than the other conditions did; H2O2 increased Caspase-3 expression and reactive oxygen species production; Klotho expression showed no differences among the treatments. The FLSs from female donors demonstrated a better response capacity in unfavorable conditions of inflammation and oxidative stress than those from the male donors did. This study developed culture conditions to mimic the aging and osteoarthritis microenvironment to evaluate the behavior of the FLSs which play a fundamental role in joint homeostasis, focusing on the sex-related aspects that are relevant in the osteoarthritis pathophysiology.
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Muenzebrock KA, Kersten V, Alblas J, Garcia JP, Creemers LB. The Added Value of the “Co” in Co-Culture Systems in Research on Osteoarthritis Pathology and Treatment Development. Front Bioeng Biotechnol 2022; 10:843056. [PMID: 35309991 PMCID: PMC8927651 DOI: 10.3389/fbioe.2022.843056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 02/09/2022] [Indexed: 11/13/2022] Open
Abstract
Osteoarthritis (OA) is a highly prevalent disease and a major health burden. Its development and progression are influenced by factors such as age, obesity or joint overuse. As a whole organ disease OA affects not only cartilage, bone and synovium but also ligaments, fatty or nervous tissue surrounding the joint. These joint tissues interact with each other and understanding this interaction is important in developing novel treatments. To incorporate and study these interactions in OA research, several co-culture models have evolved. They combine two or more cell types or tissues and investigate the influence of amongst others inflammatory or degenerative stimuli seen in OA. This review focuses on co-cultures and the differential processes occurring in a given tissue or cell as a consequence of being combined with another joint cell type or tissue, and/or the extent to which a co-culture mimics the in vivo processes. Most co-culture models depart from synovial lining and cartilage culture, but also fat pad and bone have been included. Not all of the models appear to reflect the postulated in vivo OA pathophysiology, although some of the discrepancies may indicate current assumptions on this process are not entirely valid. Systematic analysis of the mutual influence the separate compartments in a given model exert on each other and validation against in vivo or ex vivo observation is still largely lacking and would increase their added value as in vitro OA models.
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Pagani S, Veronesi F, Giavaresi G, Filardo G, Papio T, Romandini I, Fini M. Autologous Protein Solution Effect on Chondrogenic Differentiation of Mesenchymal Stem Cells from Adipose Tissue and Bone Marrow in an Osteoarthritic Environment. Cartilage 2021; 13:225S-237S. [PMID: 33583216 PMCID: PMC8804741 DOI: 10.1177/1947603521993217] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Osteoarthritis (OA) is an inflammatory and degenerative disease, and the numerous treatments currently used are not fully effective. Mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) are proposed for OA treatment as biologic therapies. The aim of the study was to observe the role of autologous protein solution (APS), a type of PRP, on chondrogenic differentiation of 2 types of MSCs, from bone marrow (BMSCs) and adipose tissue (ADSCs), in an in vitro osteoarthritic microenvironment. DESIGN Inflammatory culture conditions, mimicking OA, were obtained by adding interleukin-1β (IL-1β) and tumor necrosis factor α (TNFα), or synovial fluid from patient osteoarthritic knees (OSF), to the culture medium. MSCs were then treated with APS. RESULTS After 1 month of culture, both cell types formed mature micromasses, partially altered in the presence of IL-1β and TNFα but quite preserved with OSF. Inflammatory conditions hindered differentiation in terms of gene expression, not counterbalanced by APS. APS triggered type I collagen deposition and above all contributed to decrease the expression of metalloproteinases in the most aggressive conditions (IL-1β and TNFα in the culture medium). ADSCs originated micromasses more mature and less prone toward osteogenic lineage than BMSCs, thus showing to better adapt in an aggressive environment than BMSC. CONCLUSIONS APS seems to act better on inflammation front and, between cell types, ADSCs respond better to the inflammatory microenvironment of OA and to the treatment with APS than BMSCs.
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Affiliation(s)
- Stefania Pagani
- Complex Structure of Surgical Sciences
and Technologies, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Francesca Veronesi
- Complex Structure of Surgical Sciences
and Technologies, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy,Francesca Veronesi, Complex Structure of
Surgical Sciences and Technologies, IRCCS Istituto Ortopedico Rizzoli, Via di
Barbiano 1/10, Bologna, 40136, Italy.
| | - Gianluca Giavaresi
- Complex Structure of Surgical Sciences
and Technologies, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Giuseppe Filardo
- Applied and Translational Research
Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Tiziana Papio
- Applied and Translational Research
Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Iacopo Romandini
- 2nd Orthopaedic and Traumatologic
Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Milena Fini
- Complex Structure of Surgical Sciences
and Technologies, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Minguzzi M, Panichi V, D’Adamo S, Cetrullo S, Cattini L, Flamigni F, Mariani E, Borzì RM. Pleiotropic Roles of NOTCH1 Signaling in the Loss of Maturational Arrest of Human Osteoarthritic Chondrocytes. Int J Mol Sci 2021; 22:ijms222112012. [PMID: 34769441 PMCID: PMC8585104 DOI: 10.3390/ijms222112012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 02/07/2023] Open
Abstract
Notch signaling has been identified as a critical regulator of cartilage development and homeostasis. Its pivotal role was established by both several joint specific Notch signaling loss of function mouse models and transient or sustained overexpression. NOTCH1 is the most abundantly expressed NOTCH receptors in normal cartilage and its expression increases in osteoarthritis (OA), when chondrocytes exit from their healthy “maturation arrested state” and resume their natural route of proliferation, hypertrophy, and terminal differentiation. The latter are hallmarks of OA that are easily evaluated in vitro in 2-D or 3-D culture models. The aim of our study was to investigate the effect of NOTCH1 knockdown on proliferation (cell count and Picogreen mediated DNA quantification), cell cycle (flow cytometry), hypertrophy (gene and protein expression of key markers such as RUNX2 and MMP-13), and terminal differentiation (viability measured in 3-D cultures by luminescence assay) of human OA chondrocytes. NOTCH1 silencing of OA chondrocytes yielded a healthier phenotype in both 2-D (reduced proliferation) and 3-D with evidence of decreased hypertrophy (reduced expression of RUNX2 and MMP-13) and terminal differentiation (increased viability). This demonstrates that NOTCH1 is a convenient therapeutic target to attenuate OA progression.
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Affiliation(s)
- Manuela Minguzzi
- Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, 40138 Bologna, Italy; (M.M.); (S.D.); (E.M.)
| | - Veronica Panichi
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy; (V.P.); (S.C.); (F.F.)
| | - Stefania D’Adamo
- Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, 40138 Bologna, Italy; (M.M.); (S.D.); (E.M.)
| | - Silvia Cetrullo
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy; (V.P.); (S.C.); (F.F.)
| | - Luca Cattini
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Flavio Flamigni
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy; (V.P.); (S.C.); (F.F.)
| | - Erminia Mariani
- Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, 40138 Bologna, Italy; (M.M.); (S.D.); (E.M.)
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Rosa Maria Borzì
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
- Correspondence:
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Basal and IL-1β enhanced chondrocyte chemotactic activity on monocytes are co-dependent on both IKKα and IKKβ NF-κB activating kinases. Sci Rep 2021; 11:21697. [PMID: 34737366 PMCID: PMC8568921 DOI: 10.1038/s41598-021-01063-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/18/2021] [Indexed: 01/15/2023] Open
Abstract
IKKα and IKKβ are essential kinases for activating NF-κB transcription factors that regulate cellular differentiation and inflammation. By virtue of their small size, chemokines support the crosstalk between cartilage and other joint compartments and contribute to immune cell chemotaxis in osteoarthritis (OA). Here we employed shRNA retroviruses to stably and efficiently ablate the expression of each IKK in primary OA chondrocytes to determine their individual contributions for monocyte chemotaxis in response to chondrocyte conditioned media. Both IKKα and IKKβ KDs blunted both the monocyte chemotactic potential and the protein levels of CCL2/MCP-1, the chemokine with the highest concentration and the strongest association with monocyte chemotaxis. These findings were mirrored by gene expression analysis indicating that the lowest levels of CCL2/MCP-1 and other monocyte-active chemokines were in IKKαKD cells under both basal and IL-1β stimulated conditions. We find that in their response to IL-1β stimulation IKKαKD primary OA chondrocytes have reduced levels of phosphorylated NFkappaB p65pSer536 and H3pSer10. Confocal microscopy analysis revealed co-localized p65 and H3pSer10 nuclear signals in agreement with our findings that IKKαKD effectively blunts their basal level and IL-1β dependent increases. Our results suggest that IKKα could be a novel OA disease target.
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Tschon M, Contartese D, Pagani S, Borsari V, Fini M. Gender and Sex Are Key Determinants in Osteoarthritis Not Only Confounding Variables. A Systematic Review of Clinical Data. J Clin Med 2021; 10:3178. [PMID: 34300344 PMCID: PMC8303951 DOI: 10.3390/jcm10143178] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/08/2021] [Accepted: 07/16/2021] [Indexed: 12/15/2022] Open
Abstract
Many risk factors for osteoarthritis (OA) have been noted, while gender/sex differences have been understated. The work aimed to systematically review literature investigating as primary aim the relationship between gender/sex related discriminants and OA. The search was performed in PubMed, Science Direct and Web of Knowledge in the last 10 years. Inclusion criteria were limited to clinical studies of patients affected by OA in any joints, analyzing as primary aim gender/sex differences. Exclusion criteria were review articles, in vitro, in vivo and ex vivo studies, case series studies and papers in which gender/sex differences were adjusted as confounding variable. Of the 120 records screened, 42 studies were included. Different clinical outcomes were analyzed: morphometric differences, followed by kinematics, pain, functional outcomes after arthroplasty and health care needs of patients. Women appear to use more health care, have higher OA prevalence, clinical pain and inflammation, decreased cartilage volume, physical difficulty, and smaller joint parameters and dimensions, as compared to men. No in-depth studies or mechanistic studies analyzing biomarker differential expressions, molecular pathways and omic profiles were found that might drive preclinical and clinical research towards sex-/gender-oriented protocols.
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Affiliation(s)
| | - Deyanira Contartese
- Surgical Sciences and Tecnologies, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy; (M.T.); (S.P.); (V.B.); (M.F.)
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9
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Neri S, Guidotti S, Bini C, Pelotti S, D'Adamo S, Minguzzi M, Platano D, Santi S, Mariani E, Cattini L, Borzì RM. Oxidative stress-induced DNA damage and repair in primary human osteoarthritis chondrocytes: focus on IKKα and the DNA Mismatch Repair System. Free Radic Biol Med 2021; 166:212-225. [PMID: 33636333 DOI: 10.1016/j.freeradbiomed.2021.02.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/12/2021] [Accepted: 02/13/2021] [Indexed: 12/15/2022]
Abstract
During osteoarthritis development, chondrocytes are subjected to a functional derangement. This increases their susceptibility to stressful conditions such as oxidative stress, a characteristic of the aging tissue, which can further provoke extrinsic senescence by DNA damage responses. It was previously observed that IκB kinase α knockdown increases the replicative potential of primary human OA chondrocytes cultured in monolayer and the survival of the same cells undergoing hypertrophic-like differentiation in 3-D. In this paper we investigated whether IKKα knockdown could modulate oxidative stress-induced senescence of OA chondrocytes undergoing a DDR and particularly the involvement in this process of the DNA mismatch repair system, the principal mechanism for repair of replicative and recombinational errors, devoted to genomic stability maintenance in actively replicating cells. This repair system is also implicated in oxidative stress-mediated DNA damage repair. We analyzed microsatellite instability and expression of the mismatch repair components in human osteoarthritis chondrocytes after IKKα knockdown and H2O2 exposure. Only low MSI levels and incidence were detected and exclusively in IKKα proficient cells. Moreover, we found that IKKα proficient and deficient chondrocytes differently regulated MMR proteins after oxidative stress, both at mRNA and protein level, suggesting a reduced susceptibility of IKKα deficient cells. Our data suggest an involvement of the MMR system in the response to oxidative stress that tends to be more efficient in IKKαKD cells. This argues for a partial contribution of the MMR system to the better ability to recover DNA damage already observed in these cells.
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Affiliation(s)
- Simona Neri
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Serena Guidotti
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Carla Bini
- Department of Medical and Surgical Sciences, (DIMEC), Unit of Legal Medicine, University of Bologna, Via Irnerio, 49, 40126, Bologna, Italy.
| | - Susi Pelotti
- Department of Medical and Surgical Sciences, (DIMEC), Unit of Legal Medicine, University of Bologna, Via Irnerio, 49, 40126, Bologna, Italy.
| | - Stefania D'Adamo
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Manuela Minguzzi
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy; Department of Medical and Surgical Sciences, Alma Mater Studiorum-Università di Bologna, Bologna, Italy.
| | - Daniela Platano
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy; Department of Medical and Surgical Sciences, Alma Mater Studiorum-Università di Bologna, Bologna, Italy.
| | - Spartaco Santi
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Unit of Bologna at IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Erminia Mariani
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy; Department of Medical and Surgical Sciences, Alma Mater Studiorum-Università di Bologna, Bologna, Italy.
| | - Luca Cattini
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Rosa Maria Borzì
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Immunorheumatology and Tissue Regeneration, Via di Barbiano 1/10, 40136, Bologna, Italy.
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Effect of Rubus idaeus Extracts in Murine Chondrocytes and Explants. Biomolecules 2021; 11:biom11020245. [PMID: 33572124 PMCID: PMC7915036 DOI: 10.3390/biom11020245] [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: 10/27/2020] [Revised: 01/31/2021] [Accepted: 02/04/2021] [Indexed: 01/14/2023] Open
Abstract
Osteoarthritis is characterized by cartilage loss resulting from the activation of chondrocytes associated with a synovial inflammation. Activated chondrocytes promote an increased secretion of matrix proteases and proinflammatory cytokines leading to cartilage breakdown. Since natural products possess anti-inflammatory properties, we investigated the direct effect of Rubus idaeus extracts (RIE) in chondrocyte metabolism and cartilage loss. The effect of RIE in chondrocyte metabolism was analyzed in murine primary chondrocytes and cartilage explants. We also assessed the contribution of RIE in an inflammation environment by culturing mice primary chondrocytes with the supernatant of Raw 264.7 macrophage-like cells primed with RIE. In primary chondrocytes, RIE diminished chondrocyte hypertrophy (Col10), while increasing the expression of catabolic genes (Mmp-3, Mmp-13) and reducing anabolic genes (Col2a1, Acan). In cartilage explants, Rubus idaeus prevented the loss of proteoglycan (14.84 ± 3.07% loss of proteoglycans with IL1 alone vs. 3.03 ± 1.86% with IL1 and 100 µg/mL of RIE), as well as the NITEGE neoepitope expression. RIE alone reduced the expression of Il1 and Il6 in macrophages, without changes in Tnf and Cox2 expression. The secretome of macrophages pre-treated with RIE and transferred to chondrocytes decreases the gene and protein expression of Mmp-3 and Cox2. In conclusion, these data suggest that RIE may protect from chondrocyte catabolism and cartilage loss in inflammatory conditions. Further evaluations are need before considering RIE as a candidate for the treatment for osteoarthritis.
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Lopreiato M, Di Cristofano S, Cocchiola R, Mariano A, Guerrizio L, Scandurra R, Mosca L, Raimondo D, d’Abusco AS. Biochemical and Computational Studies of the Interaction between a Glucosamine Derivative, NAPA, and the IKK α Kinase. Int J Mol Sci 2021; 22:ijms22041643. [PMID: 33562013 PMCID: PMC7915277 DOI: 10.3390/ijms22041643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/23/2022] Open
Abstract
The glucosamine derivative 2-(N-Acetyl)-L-phenylalanylamido-2-deoxy-β-D-glucose (NAPA), was shown to inhibit the kinase activity of IKKα, one of the two catalytic subunits of IKK complex, decreasing the inflammatory status in osteoarthritis chondrocytes. In the present work we have investigated the inhibition mechanism of IKKα by NAPA by combining computational simulations, in vitro assays and Mass Spectrometry (MS) technique. The kinase in vitro assay was conducted using a recombinant IKKα and IKKtide, a 20 amino acid peptide substrate derived from IkBα kinase protein and containing the serine residues Ser32 and Ser36. Phosphorylated peptide production was measured by Ultra Performance Liquid Chromatography coupled with Mass Spectrometry (UPLC-MS), and the atomic interaction between IKKα and NAPA has been studied by molecular docking and Molecular Dynamics (MD) approaches. Here we report that NAPA was able to inhibit the IKKα kinase activity with an IC50 of 0.5 mM, to decrease the Km value from 0.337 mM to 0.402 mM and the Vmax from 0.0257 mM·min−1 to 0.0076 mM·min−1. The computational analyses indicate the region between the KD, ULD and SDD domains of IKKα as the optimal binding site explored by NAPA. Biochemical data indicate that there is a non-significant difference between Km and Ki whereas there is a statistically significant difference between the two Vmax values. This evidence, combined with computational results, consistently indicates that the inhibition is non-competitive, and that the NAPA binding site is different than that of ATP or IKKtide.
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Affiliation(s)
- Mariangela Lopreiato
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Department of Medicina Sperimentale, Università Magna Graecia, Campus S. Venuta, 88100 Catanzaro, Italy
| | - Samuele Di Cristofano
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161 Rome, Italy;
| | - Rossana Cocchiola
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Clinical Trial Unit, Bambino Gesù Children’s Hospital, IRCSS, P. Sant’Onofrio 4, 00165 Rome, Italy
| | - Alessia Mariano
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Libera Guerrizio
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Roberto Scandurra
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Luciana Mosca
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Domenico Raimondo
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161 Rome, Italy;
- Correspondence: (D.R.); (A.S.d.)
| | - Anna Scotto d’Abusco
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Correspondence: (D.R.); (A.S.d.)
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12
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Small Extracellular Vesicles from adipose derived stromal cells significantly attenuate in vitro the NF-κB dependent inflammatory/catabolic environment of osteoarthritis. Sci Rep 2021; 11:1053. [PMID: 33441764 PMCID: PMC7806716 DOI: 10.1038/s41598-020-80032-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 12/15/2020] [Indexed: 12/21/2022] Open
Abstract
The therapeutic ability of Mesenchymal Stem/Stromal Cells to address osteoarthritis (OA) is mainly related to the secretion of biologically active factors, which can be found within their secreted Extracellular Vesicles including small Extracellular Vesicles (sEV). Aim of this study was to investigate the effects of sEV from adipose derived stromal cells (ADSC) on both chondrocytes and synoviocytes, in order to gain insights into the mechanisms modulating the inflammatory/catabolic OA environment. sEV, obtained by a combined precipitation and size exclusion chromatography method, were quantified and characterized, and administered to chondrocytes and synoviocytes stimulated with IL-1β. Cellular uptake of sEV was evaluated from 1 to 12 h. Gene expression and protein release of cytokines/chemokines, catabolic and inflammatory molecules were analyzed at 4 and 15 h, when p65 nuclear translocation was investigated to study NF-κB pathway. This study underlined the potential of ADSC derived sEV to affect gene expression and protein release of both chondrocytes and synoviocytes, counteracting IL-1β induced inflammatory effects, and provided insights into their mechanisms of action. sEV uptake was faster in synoviocytes, where it also elicited stronger effects, especially in terms of cytokine and chemokine modulation. The inflammatory/catabolic environment mediated by NF-κB pathway was significantly attenuated by sEV, which hold promise as new therapeutic strategy to address OA.
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