1
|
Yi SJ, Lim J, Kim K. Exploring epigenetic strategies for the treatment of osteoporosis. Mol Biol Rep 2024; 51:398. [PMID: 38453825 DOI: 10.1007/s11033-024-09353-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/14/2024] [Indexed: 03/09/2024]
Abstract
The worldwide trend toward an aging population has resulted in a higher incidence of chronic conditions, such as osteoporosis. Osteoporosis, a prevalent skeletal disorder characterized by decreased bone mass and increased fracture risk, encompasses primary and secondary forms, each with distinct etiologies. Mechanistically, osteoporosis involves an imbalance between bone resorption by osteoclasts and bone formation by osteoblasts. Current pharmacological interventions for osteoporosis, such as bisphosphonates, denosumab, and teriparatide, aim to modulate bone turnover and preserve bone density. Hormone replacement therapy and lifestyle modifications are also recommended to manage the condition. While current medications offer therapeutic options, they are not devoid of limitations. Recent studies have highlighted the importance of epigenetic mechanisms, including DNA methylation and histone modifications, in regulating gene expression during bone remodeling. The use of epigenetic drugs, or epidrugs, to target these mechanisms offers a promising avenue for therapeutic intervention in osteoporosis. In this review, we comprehensively examine the recent advancements in the application of epidrugs for treating osteoporosis.
Collapse
Affiliation(s)
- Sun-Ju Yi
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Jaeho Lim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Kyunghwan Kim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea.
| |
Collapse
|
2
|
Zhou Z, Jiang W, Yan J, Liu H, Ren M, Li Y, Liu Z, Yao X, Li T, Ma N, Chen B, Guan W, Yang M. Trichostatin A enhances the titanium rods osseointegration in osteoporotic rats by the inhibition of oxidative stress through activating the AKT/Nrf2 pathway. Sci Rep 2023; 13:22967. [PMID: 38151509 PMCID: PMC10752907 DOI: 10.1038/s41598-023-50108-1] [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: 04/17/2023] [Accepted: 12/15/2023] [Indexed: 12/29/2023] Open
Abstract
The use of titanium implants as fixed supports following fractures in patients with OP can often result in sterile loosening and poor osseointegration. Oxidative stress has been shown to play a particularly important role in this process. While TSA has been reported to facilitate in vivo osteogenesis, the underlying mechanisms remain to be clarified. It also remains unclear whether TSA can improve the osseointegration of titanium implants. This study investigated whether TSA could enhance the osseointegration of titanium rods by activating AKT/Nrf2 pathway signaling, thereby suppressing oxidative stress. MC3T3-E1 cells treated with CCCP to induce oxidative stress served as an in vitro model, while an OVX-induced OP rat model was employed for in vivo analysis of titanium rod implantation. In vitro, TSA treatment of CCCP-treated MC3T3-E1 cells resulted in the upregulation of osteogenic proteins together with increased AKT, total Nrf2, nuclear Nrf2, HO-1, and NQO1 expression, enhanced mitochondrial functionality, and decreased oxidative damage. Notably, the PI3K/AKT inhibitor LY294002 reversed these effects. In vivo, TSA effectively enhanced the microstructural characteristics of distal femur trabecular bone, increased BMSCs mineralization capacity, promoted bone formation, and improved the binding of titanium implants to the surrounding tissue. Finally, our results showed that TSA could reverse oxidative stress-induced cell damage while promoting bone healing and improving titanium rods' osseointegration through AKT/Nrf2 pathway activation.
Collapse
Affiliation(s)
- Zhi Zhou
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Wenkai Jiang
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Junjie Yan
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Hedong Liu
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Maoxian Ren
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Yang Li
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Zhiyi Liu
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Xuewei Yao
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Tianlin Li
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Nengfeng Ma
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Bing Chen
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Wengang Guan
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Min Yang
- Department of Traumatology and Orthopedics, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China.
| |
Collapse
|
3
|
Wang Z, Wen S, Zhong M, Yang Z, Xiong W, Zhang K, Yang S, Li H, Guo S. Epigenetics: Novel crucial approach for osteogenesis of mesenchymal stem cells. J Tissue Eng 2023; 14:20417314231175364. [PMID: 37342486 PMCID: PMC10278427 DOI: 10.1177/20417314231175364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/26/2023] [Indexed: 06/23/2023] Open
Abstract
Bone has a robust regenerative potential, but its capacity to repair critical-sized bone defects is limited. In recent years, stem cells have attracted significant interest for their potential in tissue engineering. Applying mesenchymal stem cells (MSCs) for enhancing bone regeneration is a promising therapeutic strategy. However, maintaining optimal cell efficacy or viability of MSCs is limited by several factors. Epigenetic modification can cause changes in gene expression levels without changing its sequence, mainly including nucleic acids methylation, histone modification, and non-coding RNAs. This modification is believed to be one of the determinants of MSCs fate and differentiation. Understanding the epigenetic modification of MSCs can improve the activity and function of stem cells. This review summarizes recent advances in the epigenetic mechanisms of MSCs differentiation into osteoblast lineages. We expound that epigenetic modification of MSCs can be harnessed to treat bone defects and promote bone regeneration, providing potential therapeutic targets for bone-related diseases.
Collapse
Affiliation(s)
- Zhaohua Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Si Wen
- Department of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Meiqi Zhong
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Ziming Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Wei Xiong
- Department of Plastic Surgery, The First Hospital of Shihezi University School of Medicine, Shihezi, China
| | - Kuo Zhang
- College of Humanities and Social Sciences, Dalian Medical University, Dalian, Liaoning Province, China
| | - Shude Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Huizheng Li
- Department of Otorhinolaryngology & Head and Neck Surgery, Dalian Friendship Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Shu Guo
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| |
Collapse
|
4
|
Comprehensive Analysis of Novel Genes and Pathways Associated with Osteogenic Differentiation of Adipose Stem Cells. DISEASE MARKERS 2022; 2022:4870981. [PMID: 36133435 PMCID: PMC9484926 DOI: 10.1155/2022/4870981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/20/2022] [Indexed: 11/18/2022]
Abstract
Background. Adipose-derived stem cells (ADSCs) are an important alternative source of mesenchymal stem cells (MSCs) and show great promise in tissue engineering and regenerative medicine applications. However, identifying the novel genes and pathways and finding the underlying mechanisms regulating ADSCs osteogenic differentiation remain urgent. Methods. We downloaded the gene expression profiles of GSE63754 and GSE37329 from the Gene Expression Omnibus (GEO) Database. We derived differentially expressed genes (DEGs) before and after ADSC osteogenic differentiation, followed by Gene Ontology (GO) functional and KEGG pathway analysis and protein-protein interaction (PPI) network analysis. 211 differentially expressed genes (142 upregulated genes and 69 downregulated genes) were aberrantly expressed. GO analysis revealed that these DEGs were associated with extracellular matrix organization, protein extracellular matrix, and semaphorin receptor binding. Conclusions. Our study provides novel genes and pathways that play important roles in regulating ADSC osteogenic differentiation, which may have potential therapeutic targets for clinic.
Collapse
|
5
|
Chen H, Zhang M, Zhang J, Chen Y, Zuo Y, Xie Z, Zhou G, Chen S, Chen Y. Application of Induced Pluripotent Stem Cell-Derived Models for Investigating microRNA Regulation in Developmental Processes. Front Genet 2022; 13:899831. [PMID: 35719367 PMCID: PMC9204592 DOI: 10.3389/fgene.2022.899831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/06/2022] [Indexed: 11/29/2022] Open
Abstract
Advances in induced pluripotent stem cell (iPSC) techniques have opened up new perspectives in research on developmental biology. Compared with other sources of human cellular models, iPSCs present a great advantage in hosting the unique genotype background of donors without ethical concerns. A wide spectrum of cellular and organoid models can be generated from iPSCs under appropriate in vitro conditions. The pluripotency of iPSCs is orchestrated by external signalling and regulated at the epigenetic, transcriptional and posttranscriptional levels. Recent decades have witnessed the progress of studying tissue-specific expressions and functions of microRNAs (miRNAs) using iPSC-derived models. MiRNAs are a class of short non-coding RNAs with regulatory functions in various biological processes during development, including cell migration, proliferation and apoptosis. MiRNAs are key modulators of gene expression and promising candidates for biomarker in development; hence, research on the regulation of human development by miRNAs is expanding. In this review, we summarize the current progress in the application of iPSC-derived models to studies of the regulatory roles of miRNAs in developmental processes.
Collapse
Affiliation(s)
- Hongyu Chen
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mimi Zhang
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jingzhi Zhang
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yapei Chen
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yabo Zuo
- Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Zhishen Xie
- Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Guanqing Zhou
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shehong Chen
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yaoyong Chen
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| |
Collapse
|
6
|
Epigenetic therapy targeting bone marrow mesenchymal stem cells for age-related bone diseases. Stem Cell Res Ther 2022; 13:201. [PMID: 35578312 PMCID: PMC9109405 DOI: 10.1186/s13287-022-02852-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/14/2022] [Indexed: 02/08/2023] Open
Abstract
As global aging accelerates, the prevention and treatment of age-related bone diseases are becoming a critical issue. In the process of senescence, bone marrow mesenchymal stem cells (BMSCs) gradually lose the capability of self-renewal and functional differentiation, resulting in impairment of bone tissue regeneration and disorder of bone tissue homeostasis. Alteration in epigenetic modification is an essential factor of BMSC dysfunction during aging. Its transferability and reversibility provide the possibility to combat BMSC aging by reversing age-related modifications. Emerging evidence demonstrates that epigenetic therapy based on aberrant epigenetic modifications could alleviate the senescence and dysfunction of stem cells. This review summarizes potential therapeutic targets for BMSC aging, introduces some potential approaches to alleviating BMSC aging, and analyzes its prospect in the clinical application of age-related bone diseases.
Collapse
|
7
|
GelMA Hydrogel Reinforced with 3D Printed PEGT/PBT Scaffolds for Supporting Epigenetically-Activated Human Bone Marrow Stromal Cells for Bone Repair. J Funct Biomater 2022; 13:jfb13020041. [PMID: 35466223 PMCID: PMC9036254 DOI: 10.3390/jfb13020041] [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: 03/07/2022] [Revised: 03/28/2022] [Accepted: 04/06/2022] [Indexed: 12/15/2022] Open
Abstract
Epigenetic approaches using the histone deacetylase 2 and 3 inhibitor-MI192 have been reported to accelerate stem cells to form mineralised tissues. Gelatine methacryloyl (GelMA) hydrogels provide a favourable microenvironment to facilitate cell delivery and support tissue formation. However, their application for bone repair is limited due to their low mechanical strength. This study aimed to investigate a GelMA hydrogel reinforced with a 3D printed scaffold to support MI192-induced human bone marrow stromal cells (hBMSCs) for bone formation. Cell culture: The GelMA (5 wt%) hydrogel supported the proliferation of MI192-pre-treated hBMSCs. MI192-pre-treated hBMSCs within the GelMA in osteogenic culture significantly increased alkaline phosphatase activity (p ≤ 0.001) compared to control. Histology: The MI192-pre-treated group enhanced osteoblast-related extracellular matrix deposition and mineralisation (p ≤ 0.001) compared to control. Mechanical testing: GelMA hydrogels reinforced with 3D printed poly(ethylene glycol)-terephthalate/poly(butylene terephthalate) (PEGT/PBT) scaffolds exhibited a 1000-fold increase in the compressive modulus compared to the GelMA alone. MI192-pre-treated hBMSCs within the GelMA–PEGT/PBT constructs significantly enhanced extracellular matrix collagen production and mineralisation compared to control (p ≤ 0.001). These findings demonstrate that the GelMA–PEGT/PBT construct provides enhanced mechanical strength and facilitates the delivery of epigenetically-activated MSCs for bone augmentation strategies.
Collapse
|
8
|
Man K, Joukhdar H, Manz XD, Brunet MY, Jiang LH, Rnjak-Kovacina J, Yang XB. Bone tissue engineering using 3D silk scaffolds and human dental pulp stromal cells epigenetic reprogrammed with the selective histone deacetylase inhibitor MI192. Cell Tissue Res 2022; 388:565-581. [PMID: 35362831 PMCID: PMC9110470 DOI: 10.1007/s00441-022-03613-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/11/2022] [Indexed: 11/30/2022]
Abstract
Epigenetics plays a critical role in regulating mesenchymal stem cells’ (MSCs) fate for tissue repair and regeneration. There is increasing evidence that the inhibition of histone deacetylase (HDAC) isoform 3 can enhance MSC osteogenesis. This study investigated the potential of using a selective HDAC2 and 3 inhibitor, MI192, to promote human dental pulp stromal cells (hDPSCs) bone-like tissue formation in vitro and in vivo within porous Bombyx Mori silk scaffolds. Both 2 and 5 wt% silk scaffolds were fabricated and characterised. The 5 wt% scaffolds possess thicker internal lamellae, reduced scaffold swelling and degradation rates, whilst increased compressive modulus in comparison to the 2 wt% silk scaffold. MI192 pre-treatment of hDPSCs on 5 wt% silk scaffold significantly enhanced hDPSCs alkaline phosphatase activity (ALP). The expression of osteoblast-related genes (RUNX2, ALP, Col1a, OCN) was significantly upregulated in the MI192 pre-treated cells. Histological analysis confirmed that the MI192 pre-treated hDPSCs-silk scaffold constructs promoted bone extracellular matrix (ALP, Col1a, OCN) deposition and mineralisation compared to the untreated group. Following 6 weeks of subcutaneous implantation in nude mice, the MI192 pre-treated hDPSCs-silk scaffold constructs enhanced the vascularisation and extracellular matrix mineralisation compared to untreated control. In conclusion, these findings demonstrate the potential of using epigenetic reprogramming and silk scaffolds to promote hDPSCs bone formation efficacy, which provides evidence for clinical translation of this technology for bone augmentation.
Collapse
Affiliation(s)
- Kenny Man
- Biomaterials & Tissue Engineering Group, School of Dentistry, University of Leeds, WTBB, St. James's University Hospital, Leeds, LS97TF, UK.,School of Chemical Engineering, University of Birmingham, Birmingham, UK
| | - Habib Joukhdar
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia
| | - Xue D Manz
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia.,Department of Pulmonary Medicine, Amsterdam UMC, VU University Medical Centre, Amsterdam, The Netherlands
| | - Mathieu Y Brunet
- School of Chemical Engineering, University of Birmingham, Birmingham, UK
| | - Lin-Hua Jiang
- School of Biomedical Sciences, University of Leeds, Leeds, UK
| | - Jelena Rnjak-Kovacina
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia
| | - Xuebin B Yang
- Biomaterials & Tissue Engineering Group, School of Dentistry, University of Leeds, WTBB, St. James's University Hospital, Leeds, LS97TF, UK.
| |
Collapse
|
9
|
Kim SG. Multiple ways for the same destination: bone regeneration. Maxillofac Plast Reconstr Surg 2022; 44:9. [PMID: 35235091 PMCID: PMC8891406 DOI: 10.1186/s40902-022-00340-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 02/22/2022] [Indexed: 11/25/2022] Open
Abstract
The regeneration of the bone is a challenging topic for maxillofacial plastic and reconstructive surgeons. For successful bone regeneration, timely providing of essential components is prerequisite. They are cellular components (osteoblasts, osteoclasts, and immune cells), extracellular matrix, and inorganic components (calcium and phosphate). Any deficient component can be provided from outside as a graft. Accordingly, there are many ways for successful bone regeneration. Selection of appropriate methods in an individualized situation is important.
Collapse
Affiliation(s)
- Seong-Gon Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457, Republic of Korea.
| |
Collapse
|
10
|
Li J, Lu L, Liu Y, Yu X. Bone marrow adiposity during pathologic bone loss: molecular mechanisms underlying the cellular events. J Mol Med (Berl) 2021; 100:167-183. [PMID: 34751809 DOI: 10.1007/s00109-021-02164-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/09/2021] [Accepted: 11/03/2021] [Indexed: 02/05/2023]
Abstract
Bone marrow (BM) is a heterogeneous niche where bone marrow stromal cells (BMSCs), osteoblasts, osteoclasts, adipocytes, hematopoietic cells, and immune cells coexist. The cellular composition of BM changes with various pathophysiological states. A reduction in osteoblast number and a concomitant increase in adipocyte number in aging and pathological conditions put bone marrow adipose tissue (BMAT) into spotlight. Accumulating evidence strongly supports that an overwhelming production of BMAT is a major contributor to bone loss disorders. Therefore, BMAT-targeted therapy can be an efficient and feasible intervention for osteoporosis. However, compared to blocking bone-destroying molecules produced by BMAT, suppressing BMAT formation is theoretically a more effective and fundamental approach in treating osteoporotic bone diseases. Thus, a deep insight into the molecular basis underlying increased BM adiposity during pathologic bone loss is critical to formulate strategies for therapeutically manipulating BMAT. In this review, we comprehensively summarize the molecular mechanisms involved in adipocyte differentiation of BMSCs as well as the interaction between bone marrow adipocytes and osteoclasts. More importantly, we further discuss the potential clinical implications of therapeutically targeting the upstream of BMAT formation in bone loss diseases.
Collapse
Affiliation(s)
- Jiao Li
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan Province, China
| | - Lingyun Lu
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan Province, China
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yi Liu
- Department of Rheumatology and Immunology, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xijie Yu
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan Province, China
| |
Collapse
|
11
|
Hang W, Shu H, Wen Z, Liu J, Jin Z, Shi Z, Chen C, Wang DW. N-Acetyl Cysteine Ameliorates High-Fat Diet-Induced Nonalcoholic Fatty Liver Disease and Intracellular Triglyceride Accumulation by Preserving Mitochondrial Function. Front Pharmacol 2021; 12:636204. [PMID: 34588976 PMCID: PMC8473737 DOI: 10.3389/fphar.2021.636204] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 08/11/2021] [Indexed: 12/12/2022] Open
Abstract
Rationale: Nonalcoholic fatty liver disease (NAFLD) is a kind of metabolic disease characterized by liver steatosis. Excessive reactive oxygen species (ROS) originating from dysfunctional mitochondria is the major pathophysiological contributor in the development of NAFLD and is thought to be a promising therapeutic target. A few reports demonstrate the antioxidative treatments for NAFLD. Methods: Male C57 mice were fed on a normal chow diet (ND) or high-fat diet (HFD) for 8 weeks. PBS or N-acetyl cysteine (NAC) was gavaged to mice. LO2 human liver cell line treated with palmitic acid (PA) was applied as a cellular model. Western blot, immunofluorescence, biochemistry assay, and pathological staining were used to investigate the mechanism of suppressing lipid accumulation of NAC. Results: NAC treatment was able to prevent HFD-induced NAFLD, as evidenced by less hepatic triglyceride accumulation and lipid droplet formation compared with that of mice in the HFD group. NAC could preserve mitochondrial function by inhibiting excessive mitophagy and promoting mitochondria biogenesis to prevent ROS production. NAC also activated Sirt1 and preserved its protein level and subsequently promoted mitochondria biogenesis via deacetylating PGC1a. Conclusion: We demonstrated that NAC may be an effective drug to treat NAFLD, which was related to its antioxidative and mitochondrial protective effect.
Collapse
Affiliation(s)
- Weijian Hang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Hongyang Shu
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Zheng Wen
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Jinyan Liu
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Zhiyuan Jin
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Zeqi Shi
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| |
Collapse
|
12
|
Man K, Brunet MY, Fernandez‐Rhodes M, Williams S, Heaney LM, Gethings LA, Federici A, Davies OG, Hoey D, Cox SC. Epigenetic reprogramming enhances the therapeutic efficacy of osteoblast-derived extracellular vesicles to promote human bone marrow stem cell osteogenic differentiation. J Extracell Vesicles 2021; 10:e12118. [PMID: 34262674 PMCID: PMC8263905 DOI: 10.1002/jev2.12118] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/18/2021] [Accepted: 06/16/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) are emerging in tissue engineering as promising acellular tools, circumventing many of the limitations associated with cell-based therapies. Epigenetic regulation through histone deacetylase (HDAC) inhibition has been shown to increase differentiation capacity. Therefore, this study aimed to investigate the potential of augmenting osteoblast epigenetic functionality using the HDAC inhibitor Trichostatin A (TSA) to enhance the therapeutic efficacy of osteoblast-derived EVs for bone regeneration. TSA was found to substantially alter osteoblast epigenetic function through reduced HDAC activity and increased histone acetylation. Treatment with TSA also significantly enhanced osteoblast alkaline phosphatase activity (1.35-fold), collagen production (2.8-fold) and calcium deposition (1.55-fold) during osteogenic culture (P ≤ 0.001). EVs derived from TSA-treated osteoblasts (TSA-EVs) exhibited reduced particle size (1-05-fold) (P > 0.05), concentration (1.4-fold) (P > 0.05) and protein content (1.16-fold) (P ≤ 0.001) when compared to untreated EVs. TSA-EVs significantly enhanced the proliferation (1.13-fold) and migration (1.3-fold) of human bone marrow stem cells (hBMSCs) when compared to untreated EVs (P ≤ 0.05). Moreover, TSA-EVs upregulated hBMSCs osteoblast-related gene and protein expression (ALP, Col1a, BSP1 and OCN) when compared to cells cultured with untreated EVs. Importantly, TSA-EVs elicited a time-dose dependent increase in hBMSCs extracellular matrix mineralisation. MicroRNA profiling revealed a set of differentially expressed microRNAs from TSA-EVs, which were osteogenic-related. Target prediction demonstrated these microRNAs were involved in regulating pathways such as 'endocytosis' and 'Wnt signalling pathway'. Moreover, proteomics analysis identified the enrichment of proteins involved in transcriptional regulation within TSA-EVs. Taken together, our findings suggest that altering osteoblasts' epigenome accelerates their mineralisation and promotes the osteoinductive potency of secreted EVs partly due to the delivery of pro-osteogenic microRNAs and transcriptional regulating proteins. As such, for the first time we demonstrate the potential to harness epigenetic regulation as a novel engineering approach to enhance EVs therapeutic efficacy for bone repair.
Collapse
Affiliation(s)
- Kenny Man
- School of Chemical EngineeringUniversity of BirminghamBirminghamUK
| | | | | | - Soraya Williams
- School of Sport, Exercise and Health SciencesLoughborough UniversityLoughboroughUK
| | - Liam M. Heaney
- School of Sport, Exercise and Health SciencesLoughborough UniversityLoughboroughUK
| | - Lee A. Gethings
- Waters CorporationStamford AvenueWilmslowUK
- Division of Infection, Immunity and Respiratory MedicineFaculty of Biology, Medicine and HealthManchester Institute of BiotechnologyUniversity of ManchesterManchesterUK
| | - Angelica Federici
- Trinity Biomedical Sciences InstituteTrinity CollegeTrinity Centre for Biomedical EngineeringDublinIreland
- Department of Mechanical, Manufacturing, and Biomedical EngineeringSchool of EngineeringTrinity College DublinIreland
- Trinity College Dublin & RCSIAdvanced Materials and Bioengineering Research CentreDublinIreland
| | - Owen G. Davies
- School of Sport, Exercise and Health SciencesLoughborough UniversityLoughboroughUK
| | - David Hoey
- Trinity Biomedical Sciences InstituteTrinity CollegeTrinity Centre for Biomedical EngineeringDublinIreland
- Department of Mechanical, Manufacturing, and Biomedical EngineeringSchool of EngineeringTrinity College DublinIreland
- Trinity College Dublin & RCSIAdvanced Materials and Bioengineering Research CentreDublinIreland
| | - Sophie C. Cox
- School of Chemical EngineeringUniversity of BirminghamBirminghamUK
| |
Collapse
|
13
|
The Selective Histone Deacetylase Inhibitor MI192 Enhances the Osteogenic Differentiation Efficacy of Human Dental Pulp Stromal Cells. Int J Mol Sci 2021; 22:ijms22105224. [PMID: 34069280 PMCID: PMC8156347 DOI: 10.3390/ijms22105224] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 05/12/2021] [Indexed: 12/14/2022] Open
Abstract
The use of human dental pulp stromal cells (hDPSCs) has gained increasing attention as an alternative stem cell source for bone tissue engineering. The modification of the cells' epigenetics has been found to play an important role in regulating differentiation, with the inhibition of histone deacetylases 3 (HDAC3) being linked to increased osteogenic differentiation. This study aimed to induce epigenetic reprogramming using the HDAC2 and 3 selective inhibitor, MI192 to promote hDPSCs osteogenic capacity for bone regeneration. MI192 treatment caused a time-dose-dependent change in hDPSC morphology and reduction in viability. Additionally, MI192 successfully augmented hDPSC epigenetic functionality, which resulted in increased histone acetylation and cell cycle arrest at the G2/M phase. MI192 pre-treatment exhibited a dose-dependent effect on hDPSCs alkaline phosphatase activity. Quantitative PCR and In-Cell Western further demonstrated that MI192 pre-treatment significantly upregulated hDPSCs osteoblast-related gene and protein expression (alkaline phosphatase, bone morphogenic protein 2, type I collagen and osteocalcin) during osteogenic differentiation. Importantly, MI192 pre-treatment significantly increased hDPSCs extracellular matrix collagen production and mineralisation. As such, for the first time, our findings show that epigenetic reprogramming with the HDAC2 and 3 selective inhibitor MI192 accelerates the osteogenic differentiation of hDPSCs, demonstrating the considerable utility of this MSCs engineering approach for bone augmentation strategies.
Collapse
|
14
|
Abuna RPF, Almeida LO, Souza ATP, Fernandes RR, Sverzut TFV, Rosa AL, Beloti MM. Osteoporosis and osteoblasts cocultured with adipocytes inhibit osteoblast differentiation by downregulating histone acetylation. J Cell Physiol 2021; 236:3906-3917. [PMID: 33124698 DOI: 10.1002/jcp.30131] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 12/19/2022]
Abstract
Osteoporosis is characterized by decreased bone mass and adipocyte accumulation within the bone marrow that inhibits osteoblast maturation, leading to a high risk of fractures. Thus, we hypothesized that osteoblasts, besides being negatively affected by interacting with adipocytes, reduce the differentiation of neighboring osteoblasts through the same mechanisms that affect osteoblasts under osteoporotic conditions. We investigated the effect of osteoporosis on osteoblast differentiation and the effect of the conditioned medium of osteoblasts cocultured with adipocytes on the differentiation of other osteoblasts. Osteoporosis was induced by orchiectomy in rats and bone marrow mesenchymal stromal cells (MSCs) were differentiated into osteoblasts. Also, the bone marrow and adipose tissue MSCs were obtained from healthy rats and differentiated into osteoblasts and adipocytes, respectively. Messenger RNA expression, in situ alkaline phosphatase activity, and mineralization confirmed the inhibitory effect of osteoporosis on osteoblast differentiation. This harmful effect was mimicked by the in vitro model using the conditioned medium and it was demonstrated that osteoblasts keep the memory of the negative impact of interacting with adipocytes, revealing an unknown mechanism relevant to the osteoporotic bone loss. Finally, we showed the involvement of acetyl-histone 3 (AcH3) in bone homeostasis as its reduction induced by osteoporosis and conditioned medium impaired osteoblast differentiation. The AcH3 involvement was proved by treating osteoblasts with Trichostatin A that recovered the AcH3 expression and osteoblast differentiation capacity in both situations. Together, our findings indicated that AcH3 might be a target for future studies focused on epigenetic-based therapies to treat bone diseases.
Collapse
Affiliation(s)
- Rodrigo P F Abuna
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Luciana O Almeida
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Alann T P Souza
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Roger R Fernandes
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Thales F V Sverzut
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Adalberto L Rosa
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Marcio M Beloti
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| |
Collapse
|
15
|
Montecino M, Carrasco ME, Nardocci G. Epigenetic Control of Osteogenic Lineage Commitment. Front Cell Dev Biol 2021; 8:611197. [PMID: 33490076 PMCID: PMC7820369 DOI: 10.3389/fcell.2020.611197] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/11/2020] [Indexed: 12/22/2022] Open
Abstract
Within the eukaryotic nucleus the genomic DNA is organized into chromatin by stably interacting with the histone proteins as well as with several other nuclear components including non-histone proteins and non-coding RNAs. Together these interactions distribute the genetic material into chromatin subdomains which can exhibit higher and lower compaction levels. This organization contributes to differentially control the access to genomic sequences encoding key regulatory genetic information. In this context, epigenetic mechanisms play a critical role in the regulation of gene expression as they modify the degree of chromatin compaction to facilitate both activation and repression of transcription. Among the most studied epigenetic mechanisms we find the methylation of DNA, ATP-dependent chromatin remodeling, and enzyme-mediated deposition and elimination of post-translational modifications at histone and non-histone proteins. In this mini review, we discuss evidence that supports the role of these epigenetic mechanisms during transcriptional control of osteoblast-related genes. Special attention is dedicated to mechanisms of epigenetic control operating at the Runx2 and Sp7 genes coding for the two principal master regulators of the osteogenic lineage during mesenchymal stem cell commitment.
Collapse
Affiliation(s)
- Martin Montecino
- Faculty of Medicine and Faculty of Life Sciences, Institute of Biomedical Sciences and FONDAP Center for Genome Regulation, Universidad Andres Bello, Santiago, Chile
| | - Margarita E Carrasco
- Faculty of Medicine and Faculty of Life Sciences, Institute of Biomedical Sciences and FONDAP Center for Genome Regulation, Universidad Andres Bello, Santiago, Chile
| | - Gino Nardocci
- Faculty of Medicine, Universidad de los Andes, Santiago, Chile.,Molecular Biology and Bioinformatic Lab, Program in Molecular Biology and Bioinformatics, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile
| |
Collapse
|
16
|
Hodjat M, Khan F, Saadat KA. Epigenetic alterations in aging tooth and the reprogramming potential. Ageing Res Rev 2020; 63:101140. [PMID: 32795505 DOI: 10.1016/j.arr.2020.101140] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 07/27/2020] [Accepted: 08/04/2020] [Indexed: 02/07/2023]
Abstract
Tooth compartments and associated supportive tissues exhibit significant alterations during aging, leading to their impaired functioning. Aging not only affects the structure and function of dental tissue but also reduces its capacity to maintain physiological homeostasis and the healing process. Decreased cementocyte viability; diminished regenerative potential of stem cells residing in the pulp, alveolar bone and periodontal ligament; and impaired osteogenic and odontogenic differentiation capacity of progenitor cells are among the cellular impacts associated with oral aging. Various physiological and pathological phenomena are regulated by the epigenome, and hence, changes in epigenetic markers due to external stimuli have been reported in aging oral tissues and are considered a possible molecular mechanism underlying dental aging. The role of nutri-epigenetics in aging has emerged as an attractive research area. Thus far, various nutrients and bioactive compounds have been identified to have a modulatory effect on the epigenetic machinery, showing a promising response in dental aging. The human microbiota is another key player in aging and can be a target for anti-aging interventions in dental tissue. Considering the reversible characteristics of epigenetic markers and the potential for environmental factors to manipulate the epigenome, to minimize the deteriorative effects of aging, it is important to evaluate the linkage between external stimuli and their effects in terms of age-related epigenetic modifications.
Collapse
|
17
|
Ghorbaninejad M, Khademi-Shirvan M, Hosseini S, Baghaban Eslaminejad M. Epidrugs: novel epigenetic regulators that open a new window for targeting osteoblast differentiation. Stem Cell Res Ther 2020; 11:456. [PMID: 33115508 PMCID: PMC7594482 DOI: 10.1186/s13287-020-01966-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/05/2020] [Indexed: 01/01/2023] Open
Abstract
Efficient osteogenic differentiation of mesenchymal stem cells (MSCs) is a critical step in the treatment of bone defects and skeletal disorders, which present challenges for cell-based therapy and regenerative medicine. Thus, it is necessary to understand the regulatory agents involved in osteogenesis. Epigenetic mechanisms are considered to be the primary mediators that regulate gene expression during MSC differentiation. In recent years, epigenetic enzyme inhibitors have been used as epidrugs in cancer therapy. A number of studies mentioned the role of epigenetic inhibitors in the regulation of gene expression patterns related to osteogenic differentiation. This review attempts to provide an overview of the key regulatory agents of osteogenesis: transcription factors, signaling pathways, and, especially, epigenetic mechanisms. In addition, we propose to introduce epigenetic enzyme inhibitors (epidrugs) and their applications as future therapeutic approaches for bone defect regeneration.
Collapse
Affiliation(s)
- Mahsa Ghorbaninejad
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Maliheh Khademi-Shirvan
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Samaneh Hosseini
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran. .,Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| |
Collapse
|
18
|
Epigenetic Regulation in Mesenchymal Stem Cell Aging and Differentiation and Osteoporosis. Stem Cells Int 2020; 2020:8836258. [PMID: 32963550 PMCID: PMC7501554 DOI: 10.1155/2020/8836258] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/17/2020] [Accepted: 08/24/2020] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are a reliable source for cell-based regenerative medicine owing to their multipotency and biological functions. However, aging-induced systemic homeostasis disorders in vivo and cell culture passaging in vitro induce a functional decline of MSCs, switching MSCs to a senescent status with impaired self-renewal capacity and biased differentiation tendency. MSC functional decline accounts for the pathogenesis of many diseases and, more importantly, limits the large-scale applications of MSCs in regenerative medicine. Growing evidence implies that epigenetic mechanisms are a critical regulator of the differentiation programs for cell fate and are subject to changes during aging. Thus, we here review epigenetic dysregulations that contribute to MSC aging and osteoporosis. Comprehending detailed epigenetic mechanisms could provide us with a novel horizon for dissecting MSC-related pathogenesis and further optimizing MSC-mediated regenerative therapies.
Collapse
|
19
|
Nakamura Y, Kimura S, Takada N, Takemura M, Iwamoto M, Hisaoka-Nakashima K, Nakata Y, Morioka N. Stimulation of toll-like receptor 4 downregulates the expression of α7 nicotinic acetylcholine receptors via histone deacetylase in rodent microglia. Neurochem Int 2020; 138:104751. [DOI: 10.1016/j.neuint.2020.104751] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 04/23/2020] [Accepted: 05/03/2020] [Indexed: 12/17/2022]
|
20
|
Xin TY, Yu TT, Yang RL. DNA methylation and demethylation link the properties of mesenchymal stem cells: Regeneration and immunomodulation. World J Stem Cells 2020; 12:351-358. [PMID: 32547683 PMCID: PMC7280864 DOI: 10.4252/wjsc.v12.i5.351] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 03/27/2020] [Accepted: 04/25/2020] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are a heterogeneous population that can be isolated from various tissues, including bone marrow, adipose tissue, umbilical cord blood, and craniofacial tissue. MSCs have attracted increasingly more attention over the years due to their regenerative capacity and function in immunomodulation. The foundation of tissue regeneration is the potential of cells to differentiate into multiple cell lineages and give rise to multiple tissue types. In addition,the immunoregulatory function of MSCs has provided insights into therapeutic treatments for immune-mediated diseases. DNA methylation and demethylation are important epigenetic mechanisms that have been shown to modulate embryonic stem cell maintenance, proliferation, differentiation and apoptosis by activating or suppressing a number of genes. In most studies, DNA hypermethylation is associated with gene suppression, while hypomethylation or demethylation is associated with gene activation. The dynamic balance of DNA methylation and demethylation is required for normal mammalian development and inhibits the onset of abnormal phenotypes. However, the exact role of DNA methylation and demethylation in MSC-based tissue regeneration and immunomodulation requires further investigation. In this review, we discuss how DNA methylation and demethylation function in multi-lineage cell differentiation and immunomodulation of MSCs based on previously published work. Furthermore, we discuss the implications of the role of DNA methylation and demethylation in MSCs for the treatment of metabolic or immune-related diseases.
Collapse
Affiliation(s)
- Tian-Yi Xin
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Ting-Ting Yu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Rui-Li Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| |
Collapse
|
21
|
Asa'ad F, Monje A, Larsson L. Role of epigenetics in alveolar bone resorption and regeneration around periodontal and peri‐implant tissues. Eur J Oral Sci 2019; 127:477-493. [DOI: 10.1111/eos.12657] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Farah Asa'ad
- Institute of Odontology The Sahlgrenska Academy University of Gothenburg Göteborg Sweden
| | - Alberto Monje
- Department of Oral Surgery and Stomatology ZMK School of Dentistry Bern Switzerland
- Department of Periodontology Universitat Internacional de Catalunya Barcelona Spain
| | - Lena Larsson
- Department of Periodontology Institute of Odontology University of Gothenburg Göteborg Sweden
| |
Collapse
|
22
|
Chen R, Ren L, Cai Q, Zou Y, Fu Q, Ma Y. The role of epigenetic modifications in the osteogenic differentiation of adipose-derived stem cells. Connect Tissue Res 2019; 60:507-520. [PMID: 31203665 DOI: 10.1080/03008207.2019.1593395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Over the last decade, stem cells have drawn extensive attention from scientists due to their full potential in tissue engineering, gene therapy, and cell therapy. Adipose-derived stem cells (ADSCs), which represent one type of mesenchymal stem cell (MSC), hold great promise in bone tissue engineering due to their painless collection procedure, their ability to self-renew and their multi-lineage differentiation properties. Major epigenetic mechanisms, which involve DNA methylation, histone modifications and RNA interference (RNAi), are known to represent one of the determining factors of ADSC fate and differentiation. Understanding the epigenetic modifications of ADSCs may provide a clue for improving stem cell therapy in bone repair and regeneration. The aim of this review is to present the recent advances in understanding the epigenetic mechanisms that facilitate ADSC differentiation into an osteogenic lineage, in addition to the characteristics of the main epigenetic modifications.
Collapse
Affiliation(s)
- Ruixin Chen
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| | - Lin Ren
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| | - Qingwei Cai
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| | - Yang Zou
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| | - Qiang Fu
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| | - Yuanyuan Ma
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University , Guangzhou , China.,Guangdong Provincial Key Laboratory of Stomatology , Guangzhou , China
| |
Collapse
|
23
|
Li H, Yue B. Effects of various antimicrobial agents on multi-directional differentiation potential of bone marrow-derived mesenchymal stem cells. World J Stem Cells 2019; 11:322-336. [PMID: 31293715 PMCID: PMC6600849 DOI: 10.4252/wjsc.v11.i6.322] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/30/2019] [Accepted: 05/23/2019] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial drugs of several classes play an important role in the treatment of bone and joint infections. In addition to fighting pathogenic microorganisms, the effects of drugs on local tissues and cells are also related to the course and prognosis of bone and joint infections. The multi-directional differentiation potential of bone marrow-derived mesenchymal stem cells (MSCs) is essential for tissue repair after local injury, which is directly related to the recovery of bone, cartilage, and medullary adipose tissue. Our previous studies and the literature indicate that certain antimicrobial agents can regulate the differentiation potential of bone marrow-derived MSCs. Here, in order to systematically analyze the effects of various antimicrobial drugs on local tissue regeneration, we comprehensively review the studies on the effects of these drugs on MSC differentiation, and classify them according to the three differentiation directions (osteogenesis, chondrogenesis, and adipogenesis). Our review demonstrates the specific effects of different antimicrobial agents on bone marrow-derived MSCs and the range of concentrations at which they work, and provides a basis for drug selection at different sites of infection.
Collapse
Affiliation(s)
- Hui Li
- Department of Bone and Joint Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China
| | - Bing Yue
- Department of Bone and Joint Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China.
| |
Collapse
|
24
|
Dhaliwal A, Pelka S, Gray DS, Moghe PV. Engineering Lineage Potency and Plasticity of Stem Cells using Epigenetic Molecules. Sci Rep 2018; 8:16289. [PMID: 30389989 PMCID: PMC6215020 DOI: 10.1038/s41598-018-34511-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 10/11/2018] [Indexed: 12/17/2022] Open
Abstract
Stem cells are considered as a multipotent regenerative source for diseased and dysfunctional tissues. Despite the promise of stem cells, the inherent capacity of stem cells to convert to tissue-specific lineages can present a major challenge to the use of stem cells for regenerative medicine. We hypothesized that epigenetic regulating molecules can modulate the stem cell’s developmental program, and thus potentially overcome the limited lineage differentiation that human stem cells exhibit based on the source and processing of stem cells. In this study, we screened a library of 84 small molecule pharmacological agents indicated in nucleosomal modification and identified a sub-set of specific molecules that influenced osteogenesis in human mesenchymal stem cells (hMSCs) while maintaining cell viability in-vitro. Pre-treatment with five candidate hits, Gemcitabine, Decitabine, I-CBP112, Chidamide, and SIRT1/2 inhibitor IV, maximally enhanced osteogenesis in-vitro. In contrast, five distinct molecules, 4-Iodo-SAHA, Scriptaid, AGK2, CI-amidine and Delphidine Chloride maximally inhibited osteogenesis. We then tested the role of these molecules on hMSCs derived from aged human donors and report that small epigenetic molecules, namely Gemcitabine and Chidamide, can significantly promote osteogenic differentiation by 5.9- and 2.3-fold, respectively. Taken together, this study demonstrates new applications of identified small molecule drugs for sensitively regulating the lineage plasticity fates of bone-marrow derived mesenchymal stem cells through modulating the epigenetic profile of the cells.
Collapse
Affiliation(s)
- Anandika Dhaliwal
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Sandra Pelka
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - David S Gray
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Prabhas V Moghe
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States. .,Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, NJ, United States.
| |
Collapse
|
25
|
Ball AN, Donahue SW, Wojda SJ, McIlwraith CW, Kawcak CE, Ehrhart N, Goodrich LR. The challenges of promoting osteogenesis in segmental bone defects and osteoporosis. J Orthop Res 2018; 36:1559-1572. [PMID: 29280510 PMCID: PMC8354209 DOI: 10.1002/jor.23845] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 12/04/2017] [Indexed: 02/04/2023]
Abstract
Conventional clinical management of complex bone healing scenarios continues to result in 5-10% of fractures forming non-unions. Additionally, the aging population and prevalence of osteoporosis-related fractures necessitate the further exploration of novel ways to augment osteogenesis in this special population. This review focuses on the current clinical modalities available, and the ongoing clinical and pre-clinical research to promote osteogenesis in segmental bone defects, delayed unions, and osteoporosis. In summary, animal models of fracture repair are often small animals as historically significant large animal models, like the dog, continue to gain favor as companion animals. Small rodents have well-documented limitations in comparing to fracture repair in humans, and few similarities exist. Study design, number of studies, and availability of funding continue to limit large animal studies. Osteoinduction with rhBMP-2 results in robust bone formation, although long-term quality is scrutinized due to poor bone mineral quality. PTH 1-34 is the only FDA approved osteo-anabolic treatment to prevent osteoporotic fractures. Limited to 2 years of clinical use, PTH 1-34 has further been plagued by dose-related ambiguities and inconsistent results when applied to pathologic fractures in systematic human clinical studies. There is limited animal data of PTH 1-34 applied locally to bone defects. Gene therapy continues to gain popularity among researchers to augment bone healing. Non-integrating viral vectors and targeted apoptosis of genetically modified therapeutic cells is an ongoing area of research. Finally, progenitor cell therapies and the content variation of patient-side treatments (e.g., PRP and BMAC) are being studied. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1559-1572, 2018.
Collapse
Affiliation(s)
- Alyssa N. Ball
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678
| | - Seth W. Donahue
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678,,Department of Mechanical Engineering, Flint Animal Cancer Center, Colorado State University, Fort Collins, Colorado
| | - Samantha J. Wojda
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678,,Department of Mechanical Engineering, Flint Animal Cancer Center, Colorado State University, Fort Collins, Colorado
| | - C. Wayne McIlwraith
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678
| | - Christopher E. Kawcak
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678
| | - Nicole Ehrhart
- Department of Clinical Sciences, Flint Animal Cancer Center, Colorado State University, Fort Collins, Colorado
| | - Laurie R. Goodrich
- Orthopaedic Research Center, College of Veterinary Medicine, Colorado State University, 1678 Campus Delivery, Fort Collins, Colorado 80523-1678
| |
Collapse
|
26
|
Bustos F, Sepúlveda H, Prieto CP, Carrasco M, Díaz L, Palma J, Lattus J, Montecino M, Palma V. Runt-Related Transcription Factor 2 Induction During Differentiation of Wharton's Jelly Mesenchymal Stem Cells to Osteoblasts Is Regulated by Jumonji AT-Rich Interactive Domain 1B Histone Demethylase. Stem Cells 2017; 35:2430-2441. [DOI: 10.1002/stem.2704] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 08/26/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Francisco Bustos
- Laboratory of Stem Cells and Development; Faculty of Sciences, Universidad de Chile, Ñuñoa; Santiago Chile
- FONDAP Center for Genome Regulation.; Santiago Chile
- Sir James Black Centre, School of Life Sciences; University of Dundee; Dundee United Kingdom
| | - Hugo Sepúlveda
- FONDAP Center for Genome Regulation.; Santiago Chile
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, Universidad Andres Bello.; Santiago Chile
| | - Catalina P. Prieto
- Laboratory of Stem Cells and Development; Faculty of Sciences, Universidad de Chile, Ñuñoa; Santiago Chile
- FONDAP Center for Genome Regulation.; Santiago Chile
| | - Margarita Carrasco
- FONDAP Center for Genome Regulation.; Santiago Chile
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, Universidad Andres Bello.; Santiago Chile
| | - Lorena Díaz
- Laboratory of Stem Cells and Development; Faculty of Sciences, Universidad de Chile, Ñuñoa; Santiago Chile
| | - José Palma
- Laboratory of Stem Cells and Development; Faculty of Sciences, Universidad de Chile, Ñuñoa; Santiago Chile
| | - José Lattus
- Department of Obstetrics and Gynecology; Dr. Luis Tisné Brousse Hospital, Universidad de Chile, Campus Oriente.; Peñalolén Santiago Chile
| | - Martín Montecino
- FONDAP Center for Genome Regulation.; Santiago Chile
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, Universidad Andres Bello.; Santiago Chile
| | - Verónica Palma
- Laboratory of Stem Cells and Development; Faculty of Sciences, Universidad de Chile, Ñuñoa; Santiago Chile
- FONDAP Center for Genome Regulation.; Santiago Chile
| |
Collapse
|
27
|
Huynh NCN, Everts V, Ampornaramveth RS. Histone deacetylases and their roles in mineralized tissue regeneration. Bone Rep 2017; 7:33-40. [PMID: 28856178 PMCID: PMC5565747 DOI: 10.1016/j.bonr.2017.08.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 04/19/2017] [Accepted: 08/09/2017] [Indexed: 01/18/2023] Open
Abstract
Histone acetylation is an important epigenetic mechanism that controls expression of certain genes. It includes non-sequence-based changes of chromosomal regional structure that can alter the expression of genes. Acetylation of histones is controlled by the activity of two groups of enzymes: the histone acetyltransferases (HATs) and histone deacetylases (HDACs). HDACs remove acetyl groups from the histone tail, which alters its charge and thus promotes compaction of DNA in the nucleosome. HDACs render the chromatin structure into a more compact form of heterochromatin, which makes the genes inaccessible for transcription. By altering the transcriptional activity of bone-associated genes, HDACs control both osteogenesis and osteoclastogenesis. This review presents an overview of the function of HDACs in the modulation of bone formation. Special attention is paid to the use of HDAC inhibitors in mineralized tissue regeneration from cells of dental origin. HDACs regulate the transcription activity of bone related genes. Inhibition of HDAC promotes osteogenic/odontogenic differentiation. HDAC inhibitors are applicable for mineral tissue regeneration therapy.
Collapse
Key Words
- ADSCs, adipose tissue-derived stem cells
- ALP, alkaline phosphatase
- BSP, bone sialoprotein
- Bone regeneration
- COL1, type I collagen
- DMP1, dentin matrix acidic phosphoprotein 1
- DPSCs, dental-derived stem cells
- DSPP, dentin sialophosphoprotein
- Dentin formation
- Epigenetic
- GSK-3, glycogen synthase kinase
- HAT, histone acetyltransferase
- HDAC, histone deacetylase
- Histone acetyltransferase
- Histone deacetylase
- MSCs, mesenchymal stem cells
- NaB, sodium butyrate
- OCN, osteocalcin
- OPN, osteopontin
- PCL/PEG, polycaprolactone/polyethylene glycol
- RUNX2, runt-related transcription factor 2
- SOST, sclerostin
- TGF-β/BMP, transforming growth factor-β/bone morphogenetic protein
- TSA, Trichostatin A
- VPA, valproic acid
- WNT/β-catenin, Wingless-int
- hPDLCs, human periodontal ligament cells
Collapse
Affiliation(s)
- Nam Cong-Nhat Huynh
- Department of Dental Basic Sciences, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam
| | - Vincent Everts
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Research Institute MOVE, Gustav Mahlerlaan 3004, 1081 LA Amsterdam, The Netherlands
| | | |
Collapse
|
28
|
Dudakovic A, Gluscevic M, Paradise CR, Dudakovic H, Khani F, Thaler R, Ahmed FS, Li X, Dietz AB, Stein GS, Montecino MA, Deyle DR, Westendorf JJ, van Wijnen AJ. Profiling of human epigenetic regulators using a semi-automated real-time qPCR platform validated by next generation sequencing. Gene 2017; 609:28-37. [PMID: 28132772 DOI: 10.1016/j.gene.2017.01.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 01/20/2017] [Indexed: 12/11/2022]
Abstract
Epigenetic mechanisms control phenotypic commitment of mesenchymal stromal/stem cells (MSCs) into osteogenic, chondrogenic or adipogenic lineages. To investigate enzymes and chromatin binding proteins controlling the epigenome, we developed a hybrid expression screening strategy that combines semi-automated real-time qPCR (RT-qPCR), next generation RNA sequencing (RNA-seq), and a novel data management application (FileMerge). This strategy was used to interrogate expression of a large cohort (n>300) of human epigenetic regulators (EpiRegs) that generate, interpret and/or edit the histone code. We find that EpiRegs with similar enzymatic functions are variably expressed and specific isoforms dominate over others in human MSCs. This principle is exemplified by analysis of key histone acetyl transferases (HATs) and deacetylases (HDACs), H3 lysine methyltransferases (e.g., EHMTs) and demethylases (KDMs), as well as bromodomain (BRDs) and chromobox (CBX) proteins. Our results show gender-specific expression of H3 lysine 9 [H3K9] demethylases (e.g., KDM5D and UTY) as expected and upregulation of distinct EpiRegs (n>30) during osteogenic differentiation of MSCs (e.g., HDAC5 and HDAC7). The functional significance of HDACs in osteogenic lineage commitment of MSCs was functionally validated using panobinostat (LBH-589). This pan-deacetylase inhibitor suppresses osteoblastic differentiation as evidenced by reductions in bone-specific mRNA markers (e.g., ALPL), alkaline phosphatase activity and calcium deposition (i.e., Alizarin Red staining). Thus, our RT-qPCR platform identifies candidate EpiRegs by expression screening, predicts biological outcomes of their corresponding inhibitors, and enables manipulation of the human epigenome using molecular or pharmacological approaches to control stem cell differentiation.
Collapse
Affiliation(s)
- Amel Dudakovic
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | | | | | | | - Farzaneh Khani
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Roman Thaler
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Farah S Ahmed
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Xiaodong Li
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Allan B Dietz
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Gary S Stein
- Department of Biochemistry, University of Vermont Medical School, Burlington, VT, USA
| | - Martin A Montecino
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, Universidad Andres Bello, Santiago, Chile
| | | | - Jennifer J Westendorf
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Andre J van Wijnen
- Departments of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA; Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
| |
Collapse
|
29
|
Deng Z, Liu X, Jin J, Xu H, Gao Q, Wang Y, Zhao J. Histone Deacetylase Inhibitor Trichostatin a Promotes the Apoptosis of Osteosarcoma Cells through p53 Signaling Pathway Activation. Int J Biol Sci 2016; 12:1298-1308. [PMID: 27877082 PMCID: PMC5118776 DOI: 10.7150/ijbs.16569] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/20/2016] [Indexed: 01/13/2023] Open
Abstract
Purpose: The purpose of this study was to investigate the profile of histone deacetylase (HDAC) activity and expression in osteosarcoma cells and tissues from osteosarcoma patients and to examine the mechanism by which a histone deacetylase (HDAC) inhibitor, Trichostatin A (TSA), promotes the apoptosis of osteosarcoma cells. Methods: HDAC activity and histone acetyltransferase (HAT) activity were determined in nuclear extracts of MG63 cells, hFOB 1.19 cells and tissues from 6 patients with primary osteosarcoma. The protein expression of Class I HDACs (1, 2, 3 and 8) and the activation of the p53 signaling pathway were examined by Western blot. Cell growth and apoptosis were determined by 3-(4, 5-dimethyl-2-thiazolyl)-2H-tetrazolium bromide (MTT) assay and flow cytometry, respectively. Results: Nuclear HDAC activity and class I HDAC expression were significantly higher in MG63 cells than in hFOB 1.19 cells, and a similar trend was observed in the human osteosarcoma tissues compared with the paired adjacent non-cancerous tissues. TSA significantly inhibited the growth of MG63 cells and promoted apoptosis in a dose-dependent manner through p53 signaling pathway activation. Conclusion: Class I HDACs play a central role in the pathogenesis of osteosarcoma, and HDAC inhibitors may thus have promise as new therapeutic agents against osteosarcoma.
Collapse
Affiliation(s)
- Zhantao Deng
- Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
- Center for Translational Medicine, Nanjing University Medical School, Nanjing, Jiangsu, PR China
- Jiangsu Key Laboratory for Molecular Medicine, Nanjing University Medical School, Nanjing, PR China
| | - Xiaozhou Liu
- Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Jiewen Jin
- Center for Translational Medicine, Nanjing University Medical School, Nanjing, Jiangsu, PR China
- Jiangsu Key Laboratory for Molecular Medicine, Nanjing University Medical School, Nanjing, PR China
| | - Haidong Xu
- Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Qian Gao
- Center for Translational Medicine, Nanjing University Medical School, Nanjing, Jiangsu, PR China
- Jiangsu Key Laboratory for Molecular Medicine, Nanjing University Medical School, Nanjing, PR China
| | - Yong Wang
- Center for Translational Medicine, Nanjing University Medical School, Nanjing, Jiangsu, PR China
- Jiangsu Key Laboratory for Molecular Medicine, Nanjing University Medical School, Nanjing, PR China
| | - Jianning Zhao
- Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| |
Collapse
|
30
|
KDM5A controls bone morphogenic protein 2-induced osteogenic differentiation of bone mesenchymal stem cells during osteoporosis. Cell Death Dis 2016; 7:e2335. [PMID: 27512956 PMCID: PMC5108323 DOI: 10.1038/cddis.2016.238] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 07/11/2016] [Indexed: 02/06/2023]
Abstract
Bone morphogenetic protein 2 (BMP2) has been used to induce bone regeneration by promoting osteogenic differentiation of bone marrow-derived mesenchymal stem cells (MSCs). However, its effect is attenuated in osteoporotic conditions by unknown mechanisms. In this study, we investigated the molecular mechanisms of reduced osteogenic effect of BMP2 in osteoporotic conditions. By interrogating the microarray data from osteoporosis patients, we revealed an upregulation of the epigenetic modifying protein lysine (K)-specific demethylase 5A (KDM5A) and decreased Runt-related transcription factor 2 (RUNX2) expression. Further studies were focused on the role of KDM5A in osteoporosis. We first established ovariectomized (OVX) mouse model and found that the BMP2-induced osteogenic differentiation of osteoporotic MSCs was impaired. The elevated level of KDM5A was confirmed in osteoporotic MSCs. Overexpression of KDM5A in normal MSCs inhibited BMP2-induced osteogenesis. Moreover, osteogenic differentiation of osteoporotic MSCs was restored by specific KDM5A short hairpin RNA or inhibitor. Furthermore, by chromatin immunoprecipitation assay we demonstrated that KDM5A functions as endogenous modulator of osteogenic differentiation by decreasing H3K4me3 levels on promoters of Runx2, depend on its histone methylation activity. More importantly, we found an inhibitory role of KDM5A in regulating bone formation in osteoporotic mice, and pretreatment with KDM5A inhibitor partly rescued the bone loss during osteoporosis. Our results show, for the first time, that KDM5A-mediated H3K4me3 modification participated in the etiology of osteoporosis and may provide new strategies to improve the clinical efficacy of BMP2 in osteoporotic conditions.
Collapse
|
31
|
Pérez-Campo FM, Riancho JA. Epigenetic Mechanisms Regulating Mesenchymal Stem Cell Differentiation. Curr Genomics 2016; 16:368-83. [PMID: 27019612 PMCID: PMC4765524 DOI: 10.2174/1389202916666150817202559] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Revised: 03/27/2015] [Accepted: 04/07/2015] [Indexed: 12/28/2022] Open
Abstract
Human Mesenchymal Stem Cells (hMSCs) have emerged in the last few years as one of the most promising therapeutic cell sources and, in particular, as an important tool for regenerative medicine of skeletal tissues. Although they present a more restricted potency than Embryonic Stem (ES) cells, the use of hMCS in regenerative medicine avoids many of the drawbacks characteristic of ES cells or induced pluripotent stem cells. The challenge in using these cells lies into developing precise protocols for directing cellular differentiation to generate a specific cell lineage. In order to achieve this goal, it is of the upmost importance to be able to control de process of fate decision and lineage commitment. This process requires the coordinate regulation of different molecular layers at transcriptional, posttranscriptional and translational levels. At the transcriptional level, switching on and off different sets of genes is achieved not only through transcriptional regulators, but also through their interplay with epigenetic modifiers. It is now well known that epigenetic changes take place in an orderly way through development and are critical in the determination of lineage-specific differentiation. More importantly, alteration of these epigenetic changes would, in many cases, lead to disease generation and even tumour formation. Therefore, it is crucial to elucidate how epigenetic factors, through their interplay with transcriptional regulators, control lineage commitment in hMSCs.
Collapse
Affiliation(s)
- Flor M Pérez-Campo
- Department of Internal Medicine, Hospital U. Marqués de Valdecilla-IDIVAL Universidad de Cantabria, 39008 Santander, Cantabria, Spain
| | - José A Riancho
- Department of Internal Medicine, Hospital U. Marqués de Valdecilla-IDIVAL Universidad de Cantabria, 39008 Santander, Cantabria, Spain
| |
Collapse
|
32
|
Huynh NCN, Everts V, Pavasant P, Ampornaramveth RS. Inhibition of Histone Deacetylases Enhances the Osteogenic Differentiation of Human Periodontal Ligament Cells. J Cell Biochem 2015; 117:1384-95. [PMID: 27043246 DOI: 10.1002/jcb.25429] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 11/09/2015] [Indexed: 01/01/2023]
Abstract
One of the characteristics of periodontal ligament (PDL) cells is their plasticity. Yet, the underlying mechanisms responsible for this phenomenon are unknown. One possible mechanism might be related to epigenetics, since histone deacetylases (HDACs) have been shown to play a role in osteoblast differentiation. This study was aimed to investigate the role of HDACs in osteogenic differentiation of human PDL (hPDL) cells. HDAC inhibitor trichostatin A (TSA) had no effect on cell viability as was assessed by MTT assay. Osteogenic and adipogenic differentiation was analyzed by gene expression, ALP activity and mineral deposition. Western blotting was used to investigate the effect of TSA on histone acetylation and protein expression. In the presence of the HDAC inhibitor osteogenic differentiation was induced; osteoblast-related gene expression was increased significantly. ALP activity and mineral nodule formation were also enhanced. Inhibition of HDACs did not induce differentiation into the adipocyte lineage. hPDL highly expressed HDACs of both class I (HDAC 1, 2, 3) and class II (HDAC 4, 6). During osteogenic differentiation HDAC 3 expression gradually decreased. This was apparent in the absence and presence of the inhibitor. The level of acetylated Histone H3 was increased during osteogenic differentiation. Inhibition of HDAC activity induced hyperacetylation of Histone H3, therefore, demonstrating Histone H3 as a candidate target molecule for HDAC inhibition. In conclusion, hPDL cells express a distinguished series of HDACs and these enzymes appear to be involved in osteogenic differentiation. This finding suggests a potential application of TSA for bone regeneration therapy by hPDL cells.
Collapse
Affiliation(s)
- Nam Cong-Nhat Huynh
- Mineralized Tissue Research Unit, Faculty of Dentistry Chulalongkorn University, Bangkok, Thailand.,DRU in Oral Microbiology, Department of Microbiology, Faculty of Dentistry Chulalongkorn University, Bangkok, Thailand
| | - Vincent Everts
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Research Institute MOVE, Gustav Mahlerlaan 3004, 1081 LA Amsterdam, The Netherlands
| | - Prasit Pavasant
- Mineralized Tissue Research Unit, Faculty of Dentistry Chulalongkorn University, Bangkok, Thailand.,Department of anatomy, Faculty of Dentistry Chulalongkorn University, Bangkok, Thailand
| | | |
Collapse
|
33
|
Dai L, Hu X, Zhang X, Zhu J, Zhang J, Fu X, Duan X, Ao Y, Zhou C. Different tenogenic differentiation capacities of different mesenchymal stem cells in the presence of BMP-12. J Transl Med 2015; 13:200. [PMID: 26104414 PMCID: PMC4479325 DOI: 10.1186/s12967-015-0560-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 06/03/2015] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) are regarded as a promising cell-based therapeutic tool for tendon repair. This study aimed to compare the different tenogenic differentiation capacities of the three types of MSCs in the presence of bone morphogenic protein 12 (BMP-12). METHODS MSCs were isolated from rat bone marrow (BM), inguinal adipose tissue (AD), and synovium (SM) from the knee joint. MSCs were characterized by morphology, proliferation, trilineage differentiation, and surface marker analysis. Tenogenic differentiation potential was initially assessed using real-time polymerase chain reaction, Western blot, and enzyme-linked immunosorbent assay in vitro. Histological assessments were also performed after subcutaneous implantation of BMP-12 recombinant adenovirus-infected MSCs in nude mice in vivo. RESULTS The three types of MSCs exhibited similar fibroblast-like morphology and surface markers but different differentiation potentials toward adipogenic, osteogenic, and chondrogenic lineage fates. Bone marrow-derived MSCs (BM-MSCs) showed the most superior in vitro tenogenic differentiation capacity, followed by synovial membrane-derived MSCs (SM-MSCs) and then adipose-derived MSCs (AD-MSCs). After implantation, all three types of MSC masses infected with BMP-12 recombinant adenovirus emerged in the form of fiber-like matrix, especially in 6-week specimens, compared with the control MSCs in vivo. BM-MSCs and SM-MSCs revealed more intense staining for collagen type I (Col I) compared with AD-MSCs. Differences were not observed between BM-MSCs and SM-MSCs. However, SM-MSCs demonstrated higher proliferation capacity than BM-MSCs. CONCLUSION BM-MSCs exhibited the most superior tenogenic differentiation capacity, followed by SM-MSCs. By contrast, AD-MSCs demonstrated the inferior capacity among the three types of MSCs in the presence of BMP-12 both in vivo and in vitro.
Collapse
Affiliation(s)
- Linghui Dai
- Department of Biochemistry and Molecular Biology, Peking University School of Basic Medical Sciences, No. 38 Xueyuan Road, Haidian District, Beijing, 100191, People's Republic of China. .,Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Xiaoqing Hu
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Xin Zhang
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Jingxian Zhu
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Jiying Zhang
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Xin Fu
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Xiaoning Duan
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Yingfang Ao
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| | - Chunyan Zhou
- Department of Biochemistry and Molecular Biology, Peking University School of Basic Medical Sciences, No. 38 Xueyuan Road, Haidian District, Beijing, 100191, People's Republic of China. .,Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, People's Republic of China.
| |
Collapse
|
34
|
Dudakovic A, Camilleri ET, Lewallen EA, McGee-Lawrence ME, Riester SM, Kakar S, Montecino M, Stein GS, Ryoo HM, Dietz AB, Westendorf JJ, van Wijnen AJ. Histone deacetylase inhibition destabilizes the multi-potent state of uncommitted adipose-derived mesenchymal stromal cells. J Cell Physiol 2015; 230:52-62. [PMID: 24912092 DOI: 10.1002/jcp.24680] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 05/20/2014] [Indexed: 12/31/2022]
Abstract
Human adipose-derived mesenchymal stromal cells (AMSCs) grown in platelet lysate are promising agents for therapeutic tissue regeneration. Here, we investigated whether manipulation of epigenetic events by the clinically relevant histone deacetylase inhibitor suberoylanilide hydroxamic acid (SAHA) alters differentiation of AMSCs. The multipotency of AMSCs was validated by their ability to differentiate into osteogenic, chondrogenic, and adipogenic lineages. High-throughput RNA sequencing and RT-qPCR established that human histone deacetylases (HDAC1 to HDAC11, and SIRT1 to SIRT7) are differentially expressed in AMSCs. SAHA induces hyper-acetylation of histone H3 and H4, stimulates protein expression of the HDAC-responsive gene SLC9A3R1/NHERF1 and modulates the AKT/FOXO1 pathway. Biologically, SAHA interferes with osteogenic, chondrogenic and adipogenic lineage commitment of multipotent AMSCs. Mechanistically, SAHA-induced loss of differentiation potential of uncommitted AMSCs correlates with multiple changes in the expression of principal transcription factors that control mesenchymal or pluripotent states. We propose that SAHA destabilizes the multi-potent epigenetic state of uncommitted human AMSCs by hyper-acetylation and perturbation of key transcription factor pathways. Furthermore, AMSCs grown in platelet lysate may provide a useful biological model for screening of new HDAC inhibitors that control the biological fate of human mesenchymal stromal cells.
Collapse
Affiliation(s)
- Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
35
|
Gordon JAR, Montecino MA, Aqeilan RI, Stein JL, Stein GS, Lian JB. Epigenetic pathways regulating bone homeostasis: potential targeting for intervention of skeletal disorders. Curr Osteoporos Rep 2014; 12:496-506. [PMID: 25260661 PMCID: PMC4216616 DOI: 10.1007/s11914-014-0240-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Epigenetic regulation utilizes different mechanisms to convey heritable traits to progeny cells that are independent of DNA sequence, including DNA silencing, post-translational modifications of histone proteins, and the post-transcriptional modulation of RNA transcript levels by non-coding RNAs. Although long non-coding RNAs have recently emerged as important regulators of gene imprinting, their functions during osteogenesis are as yet unexplored. In contrast, microRNAs (miRNAs) are well characterized for their control of osteogenic and osteoclastic pathways; thus, further defining how gene regulatory networks essential for skeleton functions are coordinated and finely tuned through the activities of miRNAs. Roles of miRNAs are constantly expanding as new studies uncover associations with skeletal disorders. The distinct functions of epigenetic regulators and evidence for integrating their activities to control normal bone gene expression and bone disease will be presented. In addition, potential for using "signature miRNAs" to identify, manage, and therapeutically treat osteosarcoma will be discussed in this review.
Collapse
Affiliation(s)
- Jonathan A. R. Gordon
- Department of Biochemistry and Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, USA
| | - Martin A. Montecino
- Centro de Investigaciones Biomedicas and FONDAP Center for Genome Regulation, Universidad Andres Bello, Avenida Republica 239, Santiago, Chile
| | - Rami I. Aqeilan
- Lautenberg Center for Immunology and Cancer Research-IMRIC, Hebrew University-Hadassah Medical School, PO Box 12272, Ein Karem Campus, Jerusalem 91120, Israel
| | - Janet L. Stein
- Department of Biochemistry and Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, USA
| | - Gary S. Stein
- Department of Biochemistry and Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, USA
| | - Jane B. Lian
- Department of Biochemistry and Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, USA
- Corresponding Author: Jane B. Lian – P: 802-656-4872, F: 802-656-8216,
| |
Collapse
|
36
|
Liu T, Hou L, Zhao Y, Huang Y. Epigenetic silencing of HDAC1 by miR-449a upregulates Runx2 and promotes osteoblast differentiation. Int J Mol Med 2014; 35:238-46. [PMID: 25405810 DOI: 10.3892/ijmm.2014.2004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 11/07/2014] [Indexed: 11/05/2022] Open
Abstract
Human-induced pluripotent (iPS) cells can be induced to differentiate into osteoblasts, but the process is inefficient and time-consuming. Previous studies indicated a close association between the expression of Runx2 and osteoblast differentiation, and established that the transcriptional activation of the Runx2 gene was closely associated with histone acetylation. microRNA-449a (miR-449a) represses HDAC1 expression, thereby regulating histone acetylation. In the present study, whether the expression of miR-449a enhanced the generation of osteoblasts from human iPS cells was investigated. Introduction of miR-449a into human iPS cells resulted in the expression of osteoblast markers after only four days, compared to eight days for untransfected human iPS cells. Differentiation to osteoblasts was associated with a reduction in HDAC1 expression, and higher levels of histone acetylation, particularly at the binding sites on the Runx2 promoter in the human miR-449a-transfected iPS cells. Silencing of endogenous HDAC1 expression by exogenous miR-449a therefore maintains histone acetylation status, stimulates Runx2 gene expression and rapidly promotes osteoblast differentiation.
Collapse
Affiliation(s)
- Te Liu
- Shanghai Tenth People's Hospital, Medical School, Tongji University, Shanghai 200072, P.R. China
| | - Lengchen Hou
- Shanghai Tenth People's Hospital, Medical School, Tongji University, Shanghai 200072, P.R. China
| | - Yanhui Zhao
- The Affiliated Stomatology Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Yongyi Huang
- Laboratoire PROTEE, Bâtiment R, Université du Sud Toulon‑Var, 83957 La Garde Cedex, France
| |
Collapse
|
37
|
Liu KC, Yo YT, Huang RL, Wang YC, Liao YP, Huang TS, Chao TK, Lin CK, Weng SJ, Ma KH, Chang CC, Yu MH, Lai HC. Ovarian cancer stem-like cells show induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor. Oncotarget 2014; 4:2366-82. [PMID: 24280306 PMCID: PMC3926833 DOI: 10.18632/oncotarget.1424] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Spheroid formation is one property of stem cells—such as embryo-derived or neural stem cells—that has been used for the enrichment of cancer stem-like cells (CSLCs). However, it is unclear whether CSLC-derived spheroids are heterogeneous or whether they share common embryonic stemness properties. Understanding these features might lead to novel therapeutic approaches. Ovarian carcinoma is a deadly disease of women. We identified two types of spheroids (SR1 and SR2) from ovarian cancer cell lines and patients' specimens according to their morphology. Both types expressed stemness markers and could self-renew and initiate tumors when a low number of cells were used. Only SR1 could differentiate into multiple-lineage cell types under specific induction conditions. SR1 spheroids could differentiate to SR2 spheroids through epithelial–mesenchymal transition. Alkaline phosphatase (ALP) was highly expressed in SR1 spheroids, decreased in SR2 spheroids, and was absent in differentiated progenies in accordance with the loss of stemness properties. We verified that ALP can be a marker for ovarian CSLCs, and patients with greater ALP expression is related to advanced clinical stages and have a higher risk of recurrence and lower survival rate. The ALP inhibitor, levamisole, disrupted the self-renewal of ovarian CSLCs in vitro and tumor growth in vivo. In summary, this research provides a plastic ovarian cancer stem cell model and a new understanding of the cross-link between stem cells and cancers. This results show that ovarian CSLCs can be suppressed by levamisole. Our findings demonstrated that some ovarian CSLCs may restore ALP activity, and this suggests that inhibition of ALP activity may present a new opportunity for treatment of ovarian cancer.
Collapse
Affiliation(s)
- Kuei-Chun Liu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
38
|
Alcarraz-Vizán G, Sánchez-Tena S, Moyer MP, Cascante M. Validation of NCM460 cell model as control in antitumor strategies targeting colon adenocarcinoma metabolic reprogramming: Trichostatin A as a case study. Biochim Biophys Acta Gen Subj 2014; 1840:1634-9. [DOI: 10.1016/j.bbagen.2013.12.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 11/18/2013] [Accepted: 12/17/2013] [Indexed: 12/22/2022]
|
39
|
Ge W, Liu Y, Chen T, Zhang X, Lv L, Jin C, Jiang Y, Shi L, Zhou Y. The epigenetic promotion of osteogenic differentiation of human adipose-derived stem cells by the genetic and chemical blockade of histone demethylase LSD1. Biomaterials 2014; 35:6015-25. [PMID: 24794925 DOI: 10.1016/j.biomaterials.2014.04.055] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 04/12/2014] [Indexed: 12/23/2022]
Abstract
Human adipose-derived stem cells (hASCs) are a highly attractive source in bone tissue engineering. It has become increasingly clear that chromatin regulators play an important role in cell fate determination. However, how osteogenic differentiation of hASCs is controlled by epigenetic mechanisms is not fully understood. Here we use genetic tools and chemical inhibitors to modify the epigenetic program of hASCs and identify lysine-specific demethylase 1 (LSD1), a histone demethylase that specifically catalyzes demethylation of di- and mono- methyl histone H3 lysine 4 (H3K4me2/1), as a key regulator in osteogenic differentiation of hASCs. Specifically, we demonstrated that genetic depletion of LSD1 with lentiviral strategy for gene knockdown promoted osteogenic differentiation of hASCs by cell studies and xenograft assays. At the molecular level, we found that LSD1 regulates osteogenesis-associated genes expression through its histone demethylase activity. Significantly, we demonstrated LSD1 demethylase inhibitors could efficiently block its catalytic activity and epigenetically boost osteogenic differentiation of hASCs. Altogether, our study defined the functional and biological roles of LSD1 and extensively explored the effects of its enzymatic activity in osteogenic differentiation of hASCs. A better understanding of how LSD1 influences on osteogenesis associated epigenetic events will provide new insights into the modulation of hASCs based cell therapy and improve the development of bone tissue engineering with epigenetic intervention.
Collapse
Affiliation(s)
- Wenshu Ge
- Department of General Dentistry II, Peking University School and Hospital of Stomatology, Beijing 100081, China; Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Yunsong Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Tong Chen
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Xiao Zhang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Longwei Lv
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Chanyuan Jin
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Yong Jiang
- Department of General Dentistry II, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Lei Shi
- Tianjin Key Laboratory of Medical Epigenetics, Department of Biochemistry and Molecular Biology, Tianjin Medical University, Tianjin 300070, China.
| | - Yongsheng Zhou
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China; National Engineering Laboratory for Digital and Material Technology of Stomatology, Peking University School and Hospital of Stomatology, Beijing 100081, China.
| |
Collapse
|
40
|
Huang H, Zhang X, Hu X, Dai L, Zhu J, Man Z, Chen H, Zhou C, Ao Y. Directing chondrogenic differentiation of mesenchymal stem cells with a solid-supported chitosan thermogel for cartilage tissue engineering. Biomed Mater 2014; 9:035008. [PMID: 24770944 DOI: 10.1088/1748-6041/9/3/035008] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Hydrogels are attractive for cartilage tissue engineering because of their high plasticity and similarity with the native cartilage matrix. However, one critical drawback of hydrogels for osteochondral repair is their inadequate mechanical strength. To address this limitation, we constructed a solid-supported thermogel comprising a chitosan hydrogel system and demineralized bone matrix. Scanning electron microscopy, the equilibrium scanning ratio, the biodegradation rate, biomechanical tests, biochemical assays, metabolic activity tests, immunostaining and cartilage-specific gene expression analysis were used to evaluate the solid-supported thermogel. Compared with pure hydrogel or demineralized matrix, the hybrid biomaterial showed superior porosity, equilibrium swelling and degradation rate. The hybrid scaffolds exhibited an increased mechanical strength: 75% and 30% higher compared with pure hydrogels and demineralized matrix, respectively. After three days culture, bone-derived mesenchymal stem cells (BMSCs) maintained viability above 90% in all three materials; however, the cell retention of the hybrid scaffolds was more efficient and uniform than the other materials. Matrix production and chondrogenic differentiation of BMSCs in the hybrid scaffolds were superior to its precursors, based on glycosaminoglycan quantification and hyaline cartilage marker expression after three weeks in culture. Its easy preparation, favourable biophysical properties and chondrogenic capacity indicated that this solid-supported thermogel could be an attractive biomaterial framework for cartilage tissue engineering.
Collapse
Affiliation(s)
- Hongjie Huang
- Institute of Sports Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, People's Republic of China
| | | | | | | | | | | | | | | | | |
Collapse
|
41
|
Park DS, Kim HK, Park KS, Yoon TR. Trichostatin A enhances osteogenic differentiation through activation of ERK pathways in mouse bone marrow multipotent stromal cells. Tissue Eng Regen Med 2014. [DOI: 10.1007/s13770-014-0409-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
|
42
|
Hu X, Fu Y, Zhang X, Dai L, Zhu J, Bi Z, Ao Y, Zhou C. Histone deacetylase inhibitor sodium butyrate promotes the osteogenic differentiation of rat adipose-derived stem cells. Dev Growth Differ 2014; 56:206-13. [PMID: 24494796 DOI: 10.1111/dgd.12119] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 11/29/2013] [Accepted: 12/17/2013] [Indexed: 12/25/2022]
Abstract
Adult stem cells hold great promise for use in tissue repair and regeneration. Recently, adipose tissue-derived stem cells (ADSCs) were found to be an appealing alternative to bone marrow stem cells (BMSCs) for bone tissue engineering. The main benefit of ADSCs is that they can be easily and abundantly available from adipose tissue. However, our prior study discovered an important phenomenon that BMSCs have greater osteogenic potential than ADSCs in vitro and epigenetic regulation plays a critical role in runt-related transcription factor 2 (Runx2) expression and thus osteogenesis. In this study, we aimed to improve the osteogenic potential of ADSCs by histone deacetylase inhibitor sodium butyrate (NaBu). We found that NaBu promoted rat ADSC osteogenic differentiation by altering the epigenetic modifications on the Runx2 promoter.
Collapse
Affiliation(s)
- Xiaoqing Hu
- Institute of Sports Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | | | | | | | | | | | | | | |
Collapse
|
43
|
Rose L, Uludağ H. Realizing the potential of gene-based molecular therapies in bone repair. J Bone Miner Res 2013; 28:2245-62. [PMID: 23553878 DOI: 10.1002/jbmr.1944] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/13/2013] [Accepted: 03/19/2013] [Indexed: 12/17/2022]
Abstract
A better understanding of osteogenesis at genetic and biochemical levels is yielding new molecular entities that can modulate bone regeneration and potentially act as novel therapies in a clinical setting. These new entities are motivating alternative approaches for bone repair by utilizing DNA-derived expression systems, as well as RNA-based regulatory molecules controlling the fate of cells involved in osteogenesis. These sophisticated mediators of osteogenesis, however, pose unique delivery challenges that are not obvious in deployment of conventional therapeutic agents. Viral and nonviral delivery systems are actively pursued in preclinical animal models to realize the potential of the gene-based medicines. This article will summarize promising bone-inducing molecular agents on the horizon as well as provide a critical review of delivery systems employed for their administration. Special attention was paid to synthetic (nonviral) delivery systems because they are more likely to be adopted for clinical testing because of safety considerations. We present a comparative analysis of dose-response relationships, as well as pharmacokinetic and pharmacodynamic features of various approaches, with the purpose of clearly defining the current frontier in the field. We conclude with the authors' perspective on the future of gene-based therapy of bone defects, articulating promising research avenues to advance the field of clinical bone repair.
Collapse
Affiliation(s)
- Laura Rose
- Department of Biomedical Engineering, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Canada
| | | |
Collapse
|
44
|
Dudakovic A, Evans JM, Li Y, Middha S, McGee-Lawrence ME, van Wijnen AJ, Westendorf JJ. Histone deacetylase inhibition promotes osteoblast maturation by altering the histone H4 epigenome and reduces Akt phosphorylation. J Biol Chem 2013; 288:28783-91. [PMID: 23940046 DOI: 10.1074/jbc.m113.489732] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Bone has remarkable regenerative capacity, but this ability diminishes during aging. Histone deacetylase inhibitors (HDIs) promote terminal osteoblast differentiation and extracellular matrix production in culture. The epigenetic events altered by HDIs in osteoblasts may hold clues for the development of new anabolic treatments for osteoporosis and other conditions of low bone mass. To assess how HDIs affect the epigenome of committed osteoblasts, MC3T3 cells were treated with suberoylanilide hydroxamic acid (SAHA) and subjected to microarray gene expression profiling and high-throughput ChIP-Seq analysis. As expected, SAHA induced differentiation and matrix calcification of osteoblasts in vitro. ChIP-Seq analysis revealed that SAHA increased histone H4 acetylation genome-wide and in differentially regulated genes, except for the 500 bp upstream of transcriptional start sites. Pathway analysis indicated that SAHA increased the expression of insulin signaling modulators, including Slc9a3r1. SAHA decreased phosphorylation of insulin receptor β, Akt, and the Akt substrate FoxO1, resulting in FoxO1 stabilization. Thus, SAHA induces genome-wide H4 acetylation and modulates the insulin/Akt/FoxO1 signaling axis, whereas it promotes terminal osteoblast differentiation in vitro.
Collapse
|