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Kaur G, Pippin JA, Chang S, Redmond J, Chesi A, Wells AD, Maerz T, Grant SFA, Coleman RM, Hankenson KD, Wagley Y. Osteoporosis GWAS-implicated DNM3 locus contextually regulates osteoblastic and chondrogenic fate of mesenchymal stem/progenitor cells through oscillating miR-199a-5p levels. JBMR Plus 2024; 8:ziae051. [PMID: 38686038 PMCID: PMC11056323 DOI: 10.1093/jbmrpl/ziae051] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 02/15/2024] [Accepted: 04/11/2024] [Indexed: 05/02/2024] Open
Abstract
Genome wide association study (GWAS)-implicated bone mineral density (BMD) signals have been shown to localize in cis-regulatory regions of distal effector genes using 3D genomic methods. Detailed characterization of such genes can reveal novel causal genes for BMD determination. Here, we elected to characterize the "DNM3" locus on chr1q24, where the long non-coding RNA DNM3OS and the embedded microRNA MIR199A2 (miR-199a-5p) are implicated as effector genes contacted by the region harboring variation in linkage disequilibrium with BMD-associated sentinel single nucleotide polymorphism, rs12041600. During osteoblast differentiation of human mesenchymal stem/progenitor cells (hMSC), miR-199a-5p expression was temporally decreased and correlated with the induction of osteoblastic transcription factors RUNX2 and Osterix. Functional relevance of miR-199a-5p downregulation in osteoblastogenesis was investigated by introducing miR-199a-5p mimic into hMSC. Cells overexpressing miR-199a-5p depicted a cobblestone-like morphological change and failed to produce BMP2-dependent extracellular matrix mineralization. Mechanistically, a miR-199a-5p mimic modified hMSC propagated normal SMAD1/5/9 signaling and expressed osteoblastic transcription factors RUNX2 and Osterix but depicted pronounced upregulation of SOX9 and enhanced expression of essential chondrogenic genes ACAN, COMP, and COL10A1. Mineralization defects, morphological changes, and enhanced chondrogenic gene expression associated with miR-199a-5p mimic over-expression were restored with miR-199a-5p inhibitor suggesting specificity of miR-199a-5p in chondrogenic fate specification. The expression of both the DNM3OS and miR-199a-5p temporally increased and correlated with hMSC chondrogenic differentiation. Although miR-199a-5p overexpression failed to further enhance chondrogenesis, blocking miR-199a-5p activity significantly reduced chondrogenic pellet size, extracellular matrix deposition, and chondrogenic gene expression. Taken together, our results indicate that oscillating miR-199a-5p levels dictate hMSC osteoblast or chondrocyte terminal fate. Our study highlights a functional role of miR-199a-5p as a BMD effector gene at the DNM3 BMD GWAS locus, where patients with cis-regulatory genetic variation which increases miR-199a-5p expression could lead to reduced osteoblast activity.
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Affiliation(s)
- Gurcharan Kaur
- Department of Biomedical Engineering, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - James A Pippin
- Center for Spatial and Functional Genomics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
| | - Solomon Chang
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - Justin Redmond
- Department of Biomedical Engineering, University of Michigan Medical School, Ann Arbor, MI 48109, United States
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - Alessandra Chesi
- Center for Spatial and Functional Genomics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Division of Human Genetics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Andrew D Wells
- Center for Spatial and Functional Genomics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Tristan Maerz
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - Struan F A Grant
- Center for Spatial and Functional Genomics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Division of Human Genetics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Division of Diabetes and Endocrinology, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, United States
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
- Institute of Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Rhima M Coleman
- Department of Biomedical Engineering, University of Michigan Medical School, Ann Arbor, MI 48109, United States
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - Kurt D Hankenson
- Department of Biomedical Engineering, University of Michigan Medical School, Ann Arbor, MI 48109, United States
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
| | - Yadav Wagley
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, United States
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Lin Q, Yu T, Li X, Lin X, Fan Y, Xu L. Umbilical cord mesenchymal stem cells inhibited inflammation of bronchial epithelial cells by regulating Hedgehog pathway. Eur J Histochem 2023; 67:3908. [PMID: 38085254 PMCID: PMC10773195 DOI: 10.4081/ejh.2023.3908] [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: 11/07/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
This study aimed to explore the role and mechanism of umbilical cord mesenchymal stem cells (UCMSCs) in regulating inflammation of bronchial epithelial cells. Transforming growth factor beta-1 (TGF-β1) was used to induce inflammation in human bronchial epithelial cells. Cell proliferation was detected through CCK8 and cell apoptosis was detected by Annexin V and propidium iodide double staining. E-cadherin and α-smooth muscle actin (α-SMA) were detected by immunofluorescence, and tumor necrosis factor alpha (TNF-α) and interleukin 6 (IL-6) in culture medium supernatant were detected by ELISA. The expression of E-cadherin, α-SMA, Sonic hedgehog (Shh), Gli1 and Snail was detected by Western blot analysis. Compared with the control group, bronchial epithelial cells treated with TGF-β1 showed significantly decreased proliferation, increased apoptosis, increased secretion of TNF-α and IL-6, increased expression of α-SMA, Shh, Gli1 and Snail and decreased E-cadherin expression. However, co-culture with UCMSCs inhibited TGF-β1-induced changes in human bronchial epithelial cell proliferation, apoptosis, secretion of TNF-α and IL-6 and activation of the Hedgehog pathway. In conclusion, UCMSCs have protective effects on TGF-β1-induced inflammation in human bronchial epithelial cells by regulating the Hedgehog pathway.
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Affiliation(s)
- Qiong Lin
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Tianxing Yu
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Xiaohua Li
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Xin Lin
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Yong Fan
- Cent Lab, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Liyu Xu
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
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He X, Hu W, Zhang Y, Chen M, Ding Y, Yang H, He F, Gu Q, Shi Q. Cellular senescence in skeletal disease: mechanisms and treatment. Cell Mol Biol Lett 2023; 28:88. [PMID: 37891477 PMCID: PMC10612178 DOI: 10.1186/s11658-023-00501-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
The musculoskeletal system supports the movement of the entire body and provides blood production while acting as an endocrine organ. With aging, the balance of bone homeostasis is disrupted, leading to bone loss and degenerative diseases, such as osteoporosis, osteoarthritis, and intervertebral disc degeneration. Skeletal diseases have a profound impact on the motor and cognitive abilities of the elderly, thus creating a major challenge for both global health and the economy. Cellular senescence is caused by various genotoxic stressors and results in permanent cell cycle arrest, which is considered to be the underlying mechanism of aging. During aging, senescent cells (SnCs) tend to aggregate in the bone and trigger chronic inflammation by releasing senescence-associated secretory phenotypic factors. Multiple signalling pathways are involved in regulating cellular senescence in bone and bone marrow microenvironments. Targeted SnCs alleviate age-related degenerative diseases. However, the association between senescence and age-related diseases remains unclear. This review summarises the fundamental role of senescence in age-related skeletal diseases, highlights the signalling pathways that mediate senescence, and discusses potential therapeutic strategies for targeting SnCs.
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Affiliation(s)
- Xu He
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China
| | - Wei Hu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China
| | - Yuanshu Zhang
- Department of Orthopedics, Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi, Jiangsu, 214026, People's Republic of China
| | - Mimi Chen
- Department of Orthopedics, Children Hospital of Soochow University, No. 92 Zhongnan Street, Suzhou, Jiangsu, 215000, People's Republic of China
| | - Yicheng Ding
- Xuzhou Medical University, 209 Copper Mountain Road, Xuzhou, 221004, People's Republic of China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China
| | - Fan He
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China.
| | - Qiaoli Gu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China.
| | - Qin Shi
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute of Soochow University, Medical College of Soochow University, 899 Pinghai Road, Suzhou, Jiangsu, 215031, People's Republic of China.
- Department of Orthopedics, Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi, Jiangsu, 214026, People's Republic of China.
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Balaskas P, Goljanek-Whysall K, Clegg PD, Fang Y, Cremers A, Smagul A, Welting TJM, Peffers MJ. MicroRNA Signatures in Cartilage Ageing and Osteoarthritis. Biomedicines 2023; 11:biomedicines11041189. [PMID: 37189806 DOI: 10.3390/biomedicines11041189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/08/2023] [Accepted: 04/12/2023] [Indexed: 05/17/2023] Open
Abstract
Osteoarthritis is the most common degenerative joint disorder. MicroRNAs are gene expression regulators that act post-transcriptionally to control tissue homeostasis. Microarray analysis was undertaken in osteoarthritic intact, lesioned and young intact cartilage. Principal component analysis showed that young intact cartilage samples were clustered together; osteoarthritic samples had a wider distribution; and osteoarthritic intact samples were separated into two subgroups, osteoarthritic-Intact-1 and osteoarthritic-Intact-2. We identified 318 differentially expressed microRNAs between young intact and osteoarthritic lesioned cartilage, 477 between young intact and osteoarthritic-Intact-1 cartilage and 332 between young intact and osteoarthritic-Intact-2 cartilage samples. For a selected list of differentially expressed microRNAs, results were verified in additional cartilage samples using qPCR. Of the validated DE microRNAs, four-miR-107, miR-143-3p, miR-361-5p and miR-379-5p-were selected for further experiments in human primary chondrocytes treated with IL-1β. Expression of these microRNAs decreased in human primary chondrocytes treated with IL-1β. For miR-107 and miR-143-3p, gain- and loss-of-function approaches were undertaken and associated target genes and molecular pathways were investigated using qPCR and mass spectrometry proteomics. Analyses showed that WNT4 and IHH, predicted targets of miR-107, had increased expression in osteoarthritic cartilage compared to young intact cartilage and in primary chondrocytes treated with miR-107 inhibitor, and decreased expression in primary chondrocytes treated with miR-107 mimic, suggesting a role of miR-107 in chondrocyte survival and proliferation. In addition, we identified an association between miR-143-3p and EIF2 signalling and cell survival. Our work supports the role of miR-107 and miR-143-3p in important chondrocyte mechanisms regulating proliferation, hypertrophy and protein translation.
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Affiliation(s)
- Panagiotis Balaskas
- Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Katarzyna Goljanek-Whysall
- Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
- Department of Physiology, College of Medicine, Nursing and Health Sciences, University of Galway, H91 TK33 Galway, Ireland
| | - Peter D Clegg
- Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Yongxiang Fang
- Centre for Genomic Research, Institute of Integrative Biology, Biosciences Building, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK
| | - Andy Cremers
- Department of Orthopaedic Surgery, Medical Centre, Maastricht University, 6202 AZ Maastricht, The Netherlands
| | - Aibek Smagul
- Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Tim J M Welting
- Department of Orthopaedic Surgery, Medical Centre, Maastricht University, 6202 AZ Maastricht, The Netherlands
| | - Mandy J Peffers
- Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
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