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Lu P, Dai G, Shi L, Li Y, Zhang M, Wang H, Rui Y. HMGB1 Modulates High Glucose-Induced Erroneous Differentiation of Tendon Stem/Progenitor Cells through RAGE/ β-Catenin Pathway. Stem Cells Int 2024; 2024:2335270. [PMID: 38633380 PMCID: PMC11022503 DOI: 10.1155/2024/2335270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 03/13/2024] [Accepted: 03/22/2024] [Indexed: 04/19/2024] Open
Abstract
The association of tendinopathy with diabetes has been well recognized. Tendon stem/progenitor cells (TSPCs) play critical roles in tendon repair, regeneration, and homeostasis maintenance. Diabetic TSPCs exhibit enhanced erroneous differentiation and are involved in the pathogenesis of diabetic tendinopathy, whereas the underlying mechanism of the erroneous differentiation of TSPCs remains unclear. Here, we showed that high glucose treatment promoted the erroneous differentiation of TSPCs with increased osteogenic differentiation capacity and decreased tenogenic differentiation ability, and stimulated the expression and further secretion of HMGB1 in TSPCs and. Functionally, exogenous HMGB1 significantly enhanced the erroneous differentiation of TSPCs, while HMGB1 knockdown mitigated high glucose-promoted erroneous differentiation of TSPCs. Mechanistically, the RAGE/β-catenin signaling was activated in TSPCs under high glucose, and HMGB1 knockdown inhibited the activity of RAGE/β-catenin signaling. Inhibition of RAGE/β-catenin signaling could ameliorate high glucose-induced erroneous differentiation of TSPCs. These results indicated that HMGB1 regulated high glucose-induced erroneous differentiation of TSPCs through the RAGE/β-catenin signaling pathway. Collectively, our findings suggest a novel essential mechanism of the erroneous differentiation of TSPCs, which might contribute to the pathogenesis of diabetic tendinopathy and provide a promising therapeutic target and approach for diabetic tendinopathy.
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Affiliation(s)
- Panpan Lu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Guangchun Dai
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Liu Shi
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Yingjuan Li
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Department of Geriatrics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Ming Zhang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Hao Wang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
| | - Yunfeng Rui
- Department of Orthopaedics, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- School of Medicine, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Orthopaedic Trauma Institute (OTI), Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
- Trauma Center, Zhongda Hospital, Southeast University, No 87 Ding Jia Qiao, Nanjing 210009, Jiangsu, China
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Wang N, Wang H, Shen L, Liu X, Ma Y, Wang C. Aging-Related Rotator Cuff Tears: Molecular Mechanisms and Implications for Clinical Management. Adv Biol (Weinh) 2024; 8:e2300331. [PMID: 38295015 DOI: 10.1002/adbi.202300331] [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: 07/12/2023] [Revised: 11/15/2023] [Indexed: 02/02/2024]
Abstract
Shoulder pain and disabilities are prevalent issues among the elderly population, with rotator cuff tear (RCT) being one of the leading causes. Although surgical treatment has shown some success, high postoperative retear rates remain a great challenge, particularly in elderly patients. Aging-related degeneration of muscle, tendon, tendon-to-bone enthesis, and bone plays a critical role in the development and prognosis of RCT. Studies have demonstrated that aging worsens muscle atrophy and fatty infiltration, alters tendon structure and biomechanical properties, exacerbates enthesis degeneration, and reduces bone density. Although recent researches have contributed to understanding the pathophysiological mechanisms of aging-related RCT, a comprehensive systematic review of this topic is still lacking. Therefore, this article aims to present a review of the pathophysiological changes and their clinical significance, as well as the molecular mechanisms underlying aging-related RCT, with the goal of shedding light on new therapeutic approaches to reduce the occurrence of aging-related RCT and improve postoperative prognosis in elderly patients.
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Affiliation(s)
- Ni Wang
- Department of Rehabilitation Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Haoyuan Wang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Longxiang Shen
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xudong Liu
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yanhong Ma
- Department of Rehabilitation Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Chongyang Wang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
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3
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Zhang S, Shang J, Gu Z, Gu X, Wang F, Hu X, Wu G, Zou H, Ruan J, He X, Bao C, Zhang Z, Li X, Chen H. Global research trends and hotspots on tendon-derived stem cell: a bibliometric visualization study. Front Bioeng Biotechnol 2024; 11:1327027. [PMID: 38260747 PMCID: PMC10801434 DOI: 10.3389/fbioe.2023.1327027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/11/2023] [Indexed: 01/24/2024] Open
Abstract
Purpose: This study was aimed to examine the global research status and current research hotspots in the field of tendon stem cells. Methods: Bibliometric methods were employed to retrieve relevant data from the Web of Science Core Collection (WOSCC) database. Additionally, Citespace, Vosviewer, SCImago, and Graphad Prism were utilized to analyze the publication status in this field, identify the current research hotspots, and present a mini-review. Results: The most active countries in this field were China and the United States. Notable authors contributing significantly to this research included Lui Pauline Po Yee, Tang Kanglai, Zhang Jianying, Yin Zi, and Chen Xiao, predominantly affiliated with institutions such as the Hong Kong Hospital Authority, Third Military Medical University, University of Pittsburgh, and Zhejiang University. The most commonly published journals in this field were Stem Cells International, Journal of Orthopedic Research, and Stem Cell Research and Therapy. Moreover, the current research hotspots primarily revolved around scaffolds, molecular mechanisms, and inflammation regulation. Conclusion: Tendon stem cells hold significant potential as seed cells for tendon tissue engineering and offer promising avenues for further research Scaffolds, molecular mechanisms and inflammation regulation are currently research hotspots in this field.
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Affiliation(s)
- Songou Zhang
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Jinxiang Shang
- Department of Orthopedics, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang, China
| | - Zhiqian Gu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Xiaopeng Gu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Fei Wang
- Department of Orthopedics, Shaoxing People’s Hospital, Shaoxing, Zhejiang, China
| | - Xujun Hu
- Department of Orthopedics, Shaoxing People’s Hospital, Shaoxing, Zhejiang, China
| | - Guoliang Wu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Huan Zou
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Jian Ruan
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Xinkun He
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Chenzhou Bao
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - ZhenYu Zhang
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang, China
| | - Xin Li
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang, China
| | - Hong Chen
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
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Zheng Q, Liu M, He M, Sun S, Liu C, Li Y, Jiang L, Ta D. Low-Intensity Pulsed Ultrasound Promotes the Repair of Achilles Tendinopathy by Downregulating the JAK/STAT Signaling Pathway in Rabbits. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2024; 71:141-152. [PMID: 38060355 DOI: 10.1109/tuffc.2023.3340721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Tendinopathy is a complex tendon injury or pathology outcome, potentially leading to permanent impairment. Low-intensity pulsed ultrasound (LIPUS) is emerging as a treatment modality for tendon disorders. However, the optimal treatment duration and its effect on tendons remain unclear. This study aims to investigate the efficacy of LIPUS in treating injured tendons, delineate the appropriate treatment duration, and elucidate the underlying treatment mechanisms through animal experiments. Ninety-six three-month-old New Zealand white rabbits were divided into normal control (NC) and model groups. The model group received Prostaglandin E2 (PGE2) injections to induce Achilles tendinopathy. They were then divided into model control (MC) and LIPUS treatment (LT) groups. LT received LIPUS intervention with a 1-MHz frequency, a pulse repetition frequency (PRF) of 1 kHz, and spatial average temporal average sound intensity ( [Formula: see text]) of 100 mW/cm2. MC underwent a sham ultrasound, and NC received no treatment. Assessments on 1, 4, 7, 14, and 28 days after LT included shear wave elastography (SWE), mechanical testing, histologic evaluation, ribonucleic acid sequencing (RNA-seq), polymerase chain reaction (PCR), and western blot (WB) analysis. SWE results showed that the shear modulus in the LT group was significantly higher than that in the MC group after LT for seven days. Histological results demonstrated improved tendon tissue alignment and fibroblast distribution after LT. Molecular analyses suggested that LIPUS may downregulate the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway and regulate inflammatory and matrix-related factors. We concluded that LT enhanced injured tendon elasticity and accelerated Achilles tendon healing. The study highlighted the JAK/STAT signaling pathway as a potential therapeutic target for LT of Achilles tendinopathy, guiding future research.
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Kwan KYC, Ng KWK, Rao Y, Zhu C, Qi S, Tuan RS, Ker DFE, Wang DM. Effect of Aging on Tendon Biology, Biomechanics and Implications for Treatment Approaches. Int J Mol Sci 2023; 24:15183. [PMID: 37894875 PMCID: PMC10607611 DOI: 10.3390/ijms242015183] [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: 08/01/2023] [Revised: 09/07/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Tendon aging is associated with an increasing prevalence of tendon injuries and/or chronic tendon diseases, such as tendinopathy, which affects approximately 25% of the adult population. Aged tendons are often characterized by a reduction in the number and functionality of tendon stem/progenitor cells (TSPCs), fragmented or disorganized collagen bundles, and an increased deposition of glycosaminoglycans (GAGs), leading to pain, inflammation, and impaired mobility. Although the exact pathology is unknown, overuse and microtrauma from aging are thought to be major causative factors. Due to the hypovascular and hypocellular nature of the tendon microenvironment, healing of aged tendons and related injuries is difficult using current pain/inflammation and surgical management techniques. Therefore, there is a need for novel therapies, specifically cellular therapy such as cell rejuvenation, due to the decreased regenerative capacity during aging. To augment the therapeutic strategies for treating tendon-aging-associated diseases and injuries, a comprehensive understanding of tendon aging pathology is needed. This review summarizes age-related tendon changes, including cell behaviors, extracellular matrix (ECM) composition, biomechanical properties and healing capacity. Additionally, the impact of conventional treatments (diet, exercise, and surgery) is discussed, and recent advanced strategies (cell rejuvenation) are highlighted to address aged tendon healing. This review underscores the molecular and cellular linkages between aged tendon biomechanical properties and the healing response, and provides an overview of current and novel strategies for treating aged tendons. Understanding the underlying rationale for future basic and translational studies of tendon aging is crucial to the development of advanced therapeutics for tendon regeneration.
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Affiliation(s)
- Ka Yu Carissa Kwan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ka Wai Kerry Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ying Rao
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chenxian Zhu
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Shengcai Qi
- Department of Prosthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai 200040, China;
| | - Rocky S. Tuan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dai Fei Elmer Ker
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dan Michelle Wang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
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Lv W, Liang L, Liu D, Li C, Jia L, Jin Y. Aquaporin 1 Facilitates Ferroptosis, M1 Polarization, Mitochondrial Dysfunction, and Autophagy Damage on Lipopolysaccharide-Induced Macrophage Through Down-Regulation of P53 Signaling Pathway. DNA Cell Biol 2023; 42:456-480. [PMID: 37379471 PMCID: PMC10457627 DOI: 10.1089/dna.2023.0016] [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: 01/20/2023] [Revised: 04/10/2023] [Accepted: 04/17/2023] [Indexed: 06/30/2023] Open
Abstract
This study was designed to investigate the role of aquaporin 1 (AQP1) in ferroptosis, macrophage polarization, mitochondrial dysfunction, and impaired autophagy of lipopolysaccharide (LPS)-stimulated RAW264.7 cells and explored the underlying mechanisms. Si-AQP1-mediated AQP1 silencing RAW264.7 cells was constructed. Si-P53-mediated P53 silencing or pcDNA-P53 overexpression RAW264.7 cells was constructed. Assays of ATP, reverse transcription-quantitative polymerase chain reaction (RT-qPCR), and Mitochondrial membrane potential (JC-1) staining were performed to evaluate mitochondrial biological function. Assays of flow cytometry, reactive oxygen species (ROS) staining, western blot (WB), RT-qPCR, malondialdehyde (MDA), glutathione (GSH), and total superoxide dismutase (SOD) were performed to detect cell ferroptosis, macrophage polarization, and impaired autophagy. The involvement of the P53 pathway was revealed by WB. The results showed that LPS (30 μg/mL) could induce ferroptosis, M1 polarization, mitochondrial dysfunction, and autophagy damage in RAW264.7 cells. Meanwhile, the expression of AQP1 was increased and the expression of P53 was decreased. In addition, Pifithrin-α (PIF; 15 μM), a P53 inhibitor, significantly aggravated ferroptosis, M1 polarization, mitochondrial dysfunction, and autophagy damage as well as up-regulation of AQP1 protein expression in LPS-induced RAW264.7 cells. Interestingly, this phenomenon was markedly alleviated by Kevetrin hydrochloride (70 μM), a P53 agonist. Mechanistically, silencing AQP1 significantly alleviated ferroptosis, M1 polarization, mitochondrial dysfunction, and autophagy damage by up-regulating the expression of P53 in LPS-stimulated RAW264.7 cells. Indeed, inhibition of P53 expression by PIF treatment dramatically reversed this effect on the basis of LPS+si-AQP1. Therefore, we concluded for the first time that AQP1 can promote ferroptosis, M1 polarization, mitochondrial dysfunction, and autophagy impairment by inhibiting the expression of P53 in LPS-stimulated RAW264.7 cells, and AQP1 or P53 may be considered as a crucial determiner that can regulate the biological behavior of RAW264.7 cells stimulated by LPS.
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Affiliation(s)
- Wuyang Lv
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lei Liang
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Dongyang Liu
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Cuicui Li
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Liao Jia
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yingyu Jin
- Department of Clinical Laboratory, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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Lu P, Li Y, Dai G, Zhang Y, Shi L, Zhang M, Wang H, Rui Y. HMGB1: a potential new target for tendinopathy treatment. Connect Tissue Res 2023; 64:362-375. [PMID: 37032550 DOI: 10.1080/03008207.2023.2199089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 03/29/2023] [Indexed: 04/11/2023]
Abstract
Tendinopathy describes a complex pathology of the tendon characterized by abnormalities in the microstructure, composition, and cellularity of the tendon, leading to pain, limitation of activity and reduced function. Nevertheless, the mechanism of tendinopathy has not been fully elucidated, and the treatment of tendinopathy remains a challenge. High mobility group box 1 (HMGB1), a highly conserved and multifaceted nuclear protein, exerts multiple roles and high functional variability and is involved in many biological and pathological processes. In recent years, several studies have suggested that HMGB1 is associated with tendinopathy and may play a key role in the pathogenesis of tendinopathy. Therefore, this review summarizes the expression and distribution of HMGB1 in tendinopathy, focuses on the roles of HMGB1 and HMGB1-based potential mechanisms involved in tendinopathy, and finally summarizes the findings on HMGB1-based therapeutic approaches in tendinopathy, probably providing new insight into the mechanism and further potential therapeutic targets of tendinopathy.
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Affiliation(s)
- Panpan Lu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yingjuan Li
- School of Medicine, Southeast University, Nanjing, China
- Department of Geriatrics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Guangchun Dai
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yuanwei Zhang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Liu Shi
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Ming Zhang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Hao Wang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yunfeng Rui
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China
- Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
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Huang L, Chen L, Chen H, Wang M, Jin L, Zhou S, Gao L, Li R, Li Q, Wang H, Zhang C, Wang J. Biomimetic Scaffolds for Tendon Tissue Regeneration. Biomimetics (Basel) 2023; 8:246. [PMID: 37366841 DOI: 10.3390/biomimetics8020246] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/28/2023] Open
Abstract
Tendon tissue connects muscle to bone and plays crucial roles in stress transfer. Tendon injury remains a significant clinical challenge due to its complicated biological structure and poor self-healing capacity. The treatments for tendon injury have advanced significantly with the development of technology, including the use of sophisticated biomaterials, bioactive growth factors, and numerous stem cells. Among these, biomaterials that the mimic extracellular matrix (ECM) of tendon tissue would provide a resembling microenvironment to improve efficacy in tendon repair and regeneration. In this review, we will begin with a description of the constituents and structural features of tendon tissue, followed by a focus on the available biomimetic scaffolds of natural or synthetic origin for tendon tissue engineering. Finally, we will discuss novel strategies and present challenges in tendon regeneration and repair.
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Affiliation(s)
- Lvxing Huang
- School of Savaid Stomatology, Hangzhou Medical College, Hangzhou 310000, China
| | - Le Chen
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou 310000, China
| | - Hengyi Chen
- School of Savaid Stomatology, Hangzhou Medical College, Hangzhou 310000, China
| | - Manju Wang
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310000, China
| | - Letian Jin
- School of Medical Imaging, Hangzhou Medical College, Hangzhou 310000, China
| | - Shenghai Zhou
- School of Medical Imaging, Hangzhou Medical College, Hangzhou 310000, China
| | - Lexin Gao
- School of Savaid Stomatology, Hangzhou Medical College, Hangzhou 310000, China
| | - Ruwei Li
- School of Savaid Stomatology, Hangzhou Medical College, Hangzhou 310000, China
| | - Quan Li
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou 310000, China
| | - Hanchang Wang
- School of Medical Imaging, Hangzhou Medical College, Hangzhou 310000, China
| | - Can Zhang
- Department of Biomedical Engineering, College of Biology, Hunan University, Changsha 410082, China
| | - Junjuan Wang
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou 310000, China
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9
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Guo J, Tang H, Huang P, Ye X, Tang C, Shu Z, Guo J, Kang X, Shi Y, Zhou B, Liang T, Tang K. Integrative single-cell RNA and ATAC sequencing reveals that the FOXO1-PRDX2-TNF axis regulates tendinopathy. Front Immunol 2023; 14:1092778. [PMID: 37223090 PMCID: PMC10200929 DOI: 10.3389/fimmu.2023.1092778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/25/2023] [Indexed: 05/25/2023] Open
Abstract
Introduction Tendinopathy, the most common form of chronic tendon disorder, leads to persistent tendon pain and loss of function. Profiling the heterogeneous cellular composition in the tendon microenvironment helps to elucidate rational molecular mechanisms of tendinopathy. Methods and results In this study, through a multi-modal analysis, a single-cell RNA- and ATAC-seq integrated tendinopathy landscape was generated for the first time. We found that a specific cell subpopulation with low PRDX2 expression exhibited a higher level of inflammation, lower proliferation and migration ability, which not only promoted tendon injury but also led to microenvironment deterioration. Mechanistically, a motif enrichment analysis of chromatin accessibility showed that FOXO1 was an upstream regulator of PRDX2 transcription, and we confirmed that functional blockade of FOXO1 activity induced PRDX2 silencing. The TNF signaling pathway was significantly activated in the PRDX2-low group, and TNF inhibition effectively restored diseased cell degradation. Discussion We revealed an essential role of diseased cells in tendinopathy and proposed the FOXO1-PRDX2-TNF axis is a potential regulatory mechanism for the treatment of tendinopathy.
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Affiliation(s)
- Junfeng Guo
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Hong Tang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Pan Huang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xiao Ye
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Chuyue Tang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Zhao Shu
- Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Junfeng Guo
- Department of Stomatology, The 970th Hospital of the Joint Logistics Support Force, Yantai, China
| | - Xia Kang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Youxing Shi
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Binghua Zhou
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Taotao Liang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Kanglai Tang
- Department of Orthopedics/Sports Medicine Center, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University, Chongqing, China
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10
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Xiang Q, Liu Y, Chen L. Saikosaponin d (SSD) alleviates diabetic peripheral neuropathy by regulating the AQP1/RhoA/ROCK signaling in streptozotocin-induced diabetic rats. Acta Diabetol 2023; 60:805-815. [PMID: 36920548 DOI: 10.1007/s00592-023-02060-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 02/20/2023] [Indexed: 03/16/2023]
Abstract
AIMS Diabetic peripheral neuropathy (DPN) is one of the most important complications of diabetes with a poor prognosis. Saikosaponin d (SSD) is a triterpenoid saponin isolated from Radix Bupleuri that has multiple pharmacological activities. However, whether SSD affects DPN is unclarified. METHODS Sprague Dawley rats were treated with streptozotocin (STZ) and high-fat diet (HFD) to induce DPN, in the presence or absence of SSD, with or without transfection of lentivirus vectors carrying siRNA targeting aquaporin 1 (si-AQP1). The body weight, plasma glucose levels, mechanical and thermal hyperalgesia, and nerve conductive velocity (NCV) of rats were measured. Hematoxylin-Eosin staining was used for histopathological observation of sciatic nerves. RT-qPCR and western blotting were utilized for measuring expression levels of AQP1 and ras homolog family member A/Rho-associated protein kinase (RhoA/ROCK) signaling pathway-related markers in dorsal root ganglion (DRG) of rats. RESULTS SSD increased the body weight, decreased plasma glucose levels, attenuated mechanical and thermal hyperalgesia, enhanced NCV and reduced proinflammatory cytokine levels in DPN rats. AQP1 displayed a high level in DPN rats and SSD treatment repressed the expression of AQP1. SSD enhanced the protective effect of AQP1 knockdown on the pathological changes of DPN. AQP1 depletion suppressed the activation of RhoA/ROCK signaling pathway in DPN rats. CONCLUSION SSD alleviates STZ/HFD-induced DPN in rats by inhibiting the AQP1/RhoA/ROCK signaling pathway.
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Affiliation(s)
- Qingwei Xiang
- Department of Geriatrics, Hubei Provincial Hospital of Traditional Chinese Medicine, Hubei Province Academy of Traditional Chinese Medicine, No. 4, Huayuan Mountain, Wuchang District, Wuhan, 430061, Hubei, China.
| | - Yu Liu
- Department of Geriatrics, Hubei Provincial Hospital of Traditional Chinese Medicine, Hubei Province Academy of Traditional Chinese Medicine, No. 4, Huayuan Mountain, Wuchang District, Wuhan, 430061, Hubei, China
| | - Li Chen
- Department of Obstetrics and Gynecology, Hubei Provincial Hospital of Traditional Chinese Medicine, Hubei Province Academy of Traditional Chinese Medicine, Wuhan, 430061, Hubei, China
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11
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Dai G, Li Y, Zhang M, Lu P, Zhang Y, Wang H, Shi L, Cao M, Shen R, Rui Y. The Regulation of the AMPK/mTOR Axis Mitigates Tendon Stem/Progenitor Cell Senescence and Delays Tendon Aging. Stem Cell Rev Rep 2023:10.1007/s12015-023-10526-0. [PMID: 36917311 DOI: 10.1007/s12015-023-10526-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2023] [Indexed: 03/16/2023]
Abstract
Age-related tendon disorders are closely linked with tendon stem/progenitor cell (TSPC) senescence. However, the underlying mechanisms of TSPC senescence and promising therapeutic strategies for rejuvenation of TSPC senescence remain unclear. In this study, the senescent state of TSPCs increased with age. It was also verified that the AMPK inhibition/mTOR activation is correlated with the senescent state of TSPCs. Furthermore, a low dose of metformin mitigated TSPC senescence and restored senescence-related functions, including proliferation, colony-forming ability, migration ability and tenogenic differentiation ability at the early stage of aging. The protective effects of metformin on TSPCs were regulated through the AMPK/mTOR axis. An in vivo study showed that metformin treatment postpones tendon aging and enhances AMPK phosphorylation but reduces mTOR phosphorylation in a natural aging rat model. Our study revealed new insight and mechanistic exploration of TSPC senescence and proposed a novel therapeutic treatment for age-related tendon disorders by targeting the AMPK/mTOR axis at the early stage of aging.
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Affiliation(s)
- Guangchun Dai
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Yingjuan Li
- Department of Geriatrics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, Nanjing, PR China
| | - Ming Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Panpan Lu
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Yuanwei Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Hao Wang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Liu Shi
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Mumin Cao
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Renwang Shen
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,School of Medicine, Southeast University, N0.87 Ding Jia Qiao, 210009, Nanjing, PR China.,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China
| | - Yunfeng Rui
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, NO.87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China. .,Trauma Center, Zhongda Hospital, Southeast University, 210009, Nanjing, Jiangsu, PR China. .,Orthopaedic Trauma Institute (OTI), Southeast University, 210009, Nanjing, Jiangsu, PR China. .,China Orthopedic Regenerative Medicine Group, 310000, Hangzhou, Zhejiang, PR China.
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12
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Parishin A-loaded mesoporous silica nanoparticles modulate macrophage polarization to attenuate tendinopathy. NPJ Regen Med 2023; 8:14. [PMID: 36899012 PMCID: PMC10006208 DOI: 10.1038/s41536-023-00289-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 02/22/2023] [Indexed: 03/12/2023] Open
Abstract
Macrophages are involved mainly in the balance between inflammation and tenogenesis during the healing process of tendinopathy. However, etiological therapeutic strategies to efficiently treat tendinopathy by modulating macrophage state are still lacking. In this study, we find that a small molecule compound Parishin-A (PA) isolated from Gastrodia elata could promote anti-inflammatory M2 macrophage polarization by inhibiting gene transcription and protein phosphorylation of signal transducers and activators of transcription 1. Local injection or sustained delivery of PA by mesoporous silica nanoparticles (MSNs) could almost recover the native tendon's dense parallel-aligned collagen matrix in collagenase-induced tendinopathy by modulating macrophage-mediated immune microenvironment and preventing heterotopic ossification. Especially, MSNs decrease doses of PA, frequency of injection and yield preferable therapeutic effects. Mechanistically, intervention with PA could indirectly inhibit activation of mammalian target of rapamycin to repress chondrogenic and osteogenic differentiation of tendon stem/progenitor cells by influencing macrophage inflammatory cytokine secretion. Together, pharmacological intervention with a natural small-molecule compound to modulate macrophage status appears to be a promising strategy for tendinopathy treatment.
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13
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Korcari A, Przybelski SJ, Gingery A, Loiselle AE. Impact of aging on tendon homeostasis, tendinopathy development, and impaired healing. Connect Tissue Res 2023; 64:1-13. [PMID: 35903886 PMCID: PMC9851966 DOI: 10.1080/03008207.2022.2102004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 07/11/2022] [Indexed: 02/03/2023]
Abstract
Aging is a complex and progressive process where the tissues of the body demonstrate a decreased ability to maintain homeostasis. During aging, there are substantial cellular and molecular changes, with a subsequent increase in susceptibility to pathological degeneration of normal tissue function. In tendon, aging results in well characterized alterations in extracellular matrix (ECM) structure and composition. In addition, the cellular environment of aged tendons is altered, including a marked decrease in cell density and metabolic activity, as well as an increase in cellular senescence. Collectively, these degenerative changes make aging a key risk factor for the development of tendinopathies and can increase the frequency of tendon injuries. However, inconsistencies in the extent of age-related degenerative impairments in tendons have been reported, likely due to differences in how "old" and "young" age-groups have been defined, differences between anatomically distinct tendons, and differences between animal models that have been utilized to study the impact of aging on tendon homeostasis. In this review, we address these issues by summarizing data by well-defined age categories (young adults, middle-aged, and aged) and from anatomically distinct tendon types. We then summarize in detail how aging affects tendon mechanics, structure, composition, and the cellular environment based on current data and underscore what is currently not known. Finally, we discuss gaps in the current understanding of tendon aging and propose key avenues for future research that can shed light on the specific mechanisms of tendon pathogenesis due to aging.
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Affiliation(s)
- Antonion Korcari
- Department of Orthopaedics & Rehabilitation, Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, USA
| | | | - Anne Gingery
- Division of Orthopedic Surgery Research, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Alayna E Loiselle
- Department of Orthopaedics & Rehabilitation, Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, USA
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14
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Wang X, Fan W, Xu Z, Zhang Q, Li N, Li R, Wang G, He S, Li W, Liao D, Zhang Z, Shu N, Huang J, Zhao C, Hou S. SOX2-positive retinal stem cells are identified in adult human pars plicata by single-cell transcriptomic analyses. MedComm (Beijing) 2022; 4:e198. [PMID: 36582303 PMCID: PMC9790047 DOI: 10.1002/mco2.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 12/26/2022] Open
Abstract
Stem cell therapy is a promising strategy to rescue visual impairment caused by retinal degeneration. Previous studies have proposed controversial theories about whether in situ retinal stem cells (RSCs) are present in adult human eye tissue. Single-cell RNA sequencing (scRNA-seq) has emerged as one of the most powerful tools to reveal the heterogeneity of tissue cells. By using scRNA-seq, we explored the cell heterogeneity of different subregions of adult human eyes, including pars plicata, pars plana, retinal pigment epithelium (RPE), iris, and neural retina (NR). We identified one subpopulation expressing SRY-box transcription factor 2 (SOX2) as RSCs, which were present in the pars plicata of the adult human eye. Further analysis showed the identified subpopulation of RSCs expressed specific markers aquaporin 1 (AQP1) and tetraspanin 12 (TSPAN12). We, therefore, isolated this subpopulation using these two markers by flow sorting and found that the isolated RSCs could proliferate and differentiate into some retinal cell types, including photoreceptors, neurons, RPE cells, microglia, astrocytes, horizontal cells, bipolar cells, and ganglion cells; whereas, AQP1- TSPAN12- cells did not have this differentiation potential. In conclusion, our results showed that SOX2-positive RSCs are present in the pars plicata and may be valuable for treating human retinal diseases due to their proliferation and differentiation potential.
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Affiliation(s)
- Xiaotang Wang
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Wei Fan
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Zongren Xu
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Qi Zhang
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Na Li
- Department of Biochemistry and Molecular BiologyCollege of Basic MedicineChongqing Medical UniversityChongqingChina
| | - Ruonan Li
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Guoqing Wang
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Siyuan He
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Wanqian Li
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Dan Liao
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Zhi Zhang
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Nan Shu
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Jiaxing Huang
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Chenyang Zhao
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
| | - Shengping Hou
- The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina,Chongqing Key Laboratory of OphthalmologyChongqingChina,Chongqing Eye InstituteChongqingChina,Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular DiseasesChongqingChina
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15
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Wang H, Dai GC, Li YJ, Chen MH, Lu PP, Zhang YW, -Zhang M, Cao MM, Rui YF. Targeting Senescent Tendon Stem/Progenitor Cells to Prevent or Treat Age-Related Tendon Disorders. Stem Cell Rev Rep 2022; 19:680-693. [PMID: 36520409 DOI: 10.1007/s12015-022-10488-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/01/2022] [Accepted: 12/04/2022] [Indexed: 12/23/2022]
Abstract
Age-related tendon disorder, a primary motor system disease, is characterized by biological changes in the tendon tissue due to senescence and seriously affects the quality of life of the elderly. The pathogenesis of this disease is not well-understood. Tendon stem/progenitor cells (TSPCs) exhibit multi-differentiation capacity. These cells are important cellular components of the tendon because of their roles in tendon tissue homeostasis, remodeling, and repair. Previous studies revealed alterations in the biological characteristics and tenogenic differentiation potential of TSPCs in senescent tendon tissue, in turn contributing to insufficient differentiation of TSPCs into tenocytes. Poor tendon repair can result in age-related tendinopathies. Therefore, targeting of senescent TSPCs may restore the tenogenic differentiation potential of these cells and achieve homeostasis of the tendon tissue to prevent or treat age-related tendinopathy. In this review, we summarize the biological characteristics of TSPCs and histopathological changes in age-related tendinopathy, as well as the potential mechanisms through which TSPCs contribute to senescence. This information may promote further exploration of innovative treatment strategies to rescue TSPCs from senescence.
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Affiliation(s)
- Hao Wang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Guang-Chun Dai
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Ying-Juan Li
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Min-Hao Chen
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Pan-Pan Lu
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Yuan-Wei Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Ming -Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Mu-Min Cao
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Yun-Feng Rui
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
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16
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Pepke ML, Kvalnes T, Lundregan S, Boner W, Monaghan P, Saether BE, Jensen H, Ringsby TH. Genetic architecture and heritability of early-life telomere length in a wild passerine. Mol Ecol 2022; 31:6360-6381. [PMID: 34825754 DOI: 10.1111/mec.16288] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 10/01/2021] [Accepted: 11/09/2021] [Indexed: 01/31/2023]
Abstract
Early-life telomere length (TL) is associated with fitness in a range of organisms. Little is known about the genetic basis of variation in TL in wild animal populations, but to understand the evolutionary and ecological significance of TL it is important to quantify the relative importance of genetic and environmental variation in TL. In this study, we measured TL in 2746 house sparrow nestlings sampled across 20 years and used an animal model to show that there is a small heritable component of early-life TL (h2 = 0.04). Variation in TL among individuals was mainly driven by environmental (annual) variance, but also brood and parental effects. Parent-offspring regressions showed a large maternal inheritance component in TL ( h maternal 2 = 0.44), but no paternal inheritance. We did not find evidence for a negative genetic correlation underlying the observed negative phenotypic correlation between TL and structural body size. Thus, TL may evolve independently of body size and the negative phenotypic correlation is likely to be caused by nongenetic environmental effects. We further used genome-wide association analysis to identify genomic regions associated with TL variation. We identified several putative genes underlying TL variation; these have been inferred to be involved in oxidative stress, cellular growth, skeletal development, cell differentiation and tumorigenesis in other species. Together, our results show that TL has a low heritability and is a polygenic trait strongly affected by environmental conditions in a free-living bird.
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Affiliation(s)
- Michael Le Pepke
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Thomas Kvalnes
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Sarah Lundregan
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Winnie Boner
- Institute of Biodiversity, Animal Health and Comparative Medicine (IBAHCM), University of Glasgow, Glasgow, UK
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine (IBAHCM), University of Glasgow, Glasgow, UK
| | - Bernt-Erik Saether
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Henrik Jensen
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Thor Harald Ringsby
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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17
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Network Pharmacology Analysis and Experimental Validation of Kaempferol in the Treatment of Ischemic Stroke by Inhibiting Apoptosis and Regulating Neuroinflammation Involving Neutrophils. Int J Mol Sci 2022; 23:ijms232012694. [PMID: 36293548 PMCID: PMC9604352 DOI: 10.3390/ijms232012694] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/15/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022] Open
Abstract
Kaempferol, a natural plant flavonoid compound, has a neuroprotective effect on ischemic stroke, while the specific mechanism remains unclear. In the current study, we applied the comprehensive strategy that combines network pharmacology and experimental evaluation to explore the potential mechanism of kaempferol in the treatment of cerebral ischemia. First, network pharmacology analysis identified the biological process of kaempferol, suggesting that kaempferol may partly help in treating ischemic stroke by regulating apoptosis and inflammatory response. Then, we evaluated the efficacy of kaempferol in the acute stage of ischemic stroke and elucidated its effects and possible mechanisms on cell apoptosis and neuroinflammation involved by neutrophils. The results showed that kaempferol could significantly reduce the modified neurological severity score (mNSS), and reduce the volume of cerebral infarction and the degree of cerebral edema. In terms of anti-apoptosis, kaempferol could significantly reduce the number of TUNEL-positive cells, inhibit the expression of pro-apoptotic proteins and promote the expression of anti-apoptotic proteins. Kaempferol may play an anti-apoptotic role by up-regulating the expression level of the BDNF-TrkB-PI3K/AKT signaling pathway. In addition, we found that kaempferol inhibited neuron loss and the activation of glial cells, as well as the expression level of the inflammatory protein COX-2 and the classic pro-inflammatory signaling pathway TLR4/MyD88/NF-κB in the ischemic brain, reduced MPO activity and neutrophil counts in peripheral blood, and down-regulated neutrophil aggregation and infiltration in the ischemic brain. Western blot revealed that kaempferol down-regulated the activation of the JAK1/STAT3 signaling pathway in neutrophils and ischemic brains. Our study showed that kaempferol inhibited the activation and number of neutrophils in the rat peripheral blood and brain, which may be related to the down-regulation of the JAK1/STAT3 pathway.
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18
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Catapano M, Ahmed M, Breslow RG, Borg-Stein J. The aging athlete. PM R 2022; 14:643-651. [PMID: 35441493 DOI: 10.1002/pmrj.12814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/28/2022] [Accepted: 04/04/2022] [Indexed: 11/09/2022]
Abstract
Aging athletes, those 60 years and older, are a growing population of mature, active individuals who value sports and exercise participation throughout their lifespan. Although recommendations for younger and masters athletes have been extrapolated to this population, there remains a paucity of specific guidelines, treatment algorithms, and considerations for aging athletes. The benefits of living an active lifestyle must be weighed against the risks for unique cardiovascular, metabolic, and musculoskeletal injuries requiring diagnostic and therapeutic interventions. In this article, we review the unique cardiovascular and muscular physiology of aging athletes and how it influences the risk of specific medical conditions. We also discuss general prevention and treatment strategies. Finally, we identify areas of future research priorities and emerging treatments.
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Affiliation(s)
- Michael Catapano
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Charlestown, Massachusetts, USA.,Division of Sports Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Marwa Ahmed
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Charlestown, Massachusetts, USA.,Division of Sports Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Joanne Borg-Stein
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Charlestown, Massachusetts, USA.,Division of Sports Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
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19
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Wang C, Zhou Z, Song W, Cai Z, Ding Z, Chen D, Xia F, He Y. Inhibition of IKKβ/NF-κB signaling facilitates tendinopathy healing by rejuvenating inflamm-aging induced tendon-derived stem/progenitor cell senescence. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 27:562-576. [PMID: 35036066 PMCID: PMC8738957 DOI: 10.1016/j.omtn.2021.12.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/15/2021] [Indexed: 02/08/2023]
Abstract
Degenerative rotator cuff tendinopathy (RCT) is a chronic tendon disease caused by degeneration and inflammation, which often affects the elderly population. Mesenchymal stem cell senescence is generally recognized as an important pathophysiological mechanism in many age-related skeletal diseases. Herein, we collected human tendon-derived stem/progenitor cells (TSPCs) from degenerative supraspinatus tendons and found that TSPC senescence is closely related to RCT. We further identified that nuclear factor κB (NF-κB) pathway activation is involved in age-related inflammation (inflamm-aging) of degenerative RCT. Moreover, whole genome RNA sequencing revealed that in vitro inhibition of the I kappa B kinase β (IKKβ)/NF-κB signaling pathway could reverse the aged TSPC phenotype with decreased TSPC senescence and increased tenogenic potential. To achieve effective in vivo inhibition of IKKβ/NF-κB signaling, we fabricated IKKβ small interfering RNA (siRNA)-loaded gold nanoclusters (AuNC-siRNA) for efficient and convenient intra-articular delivery of IKKβ siRNA. We found that AuNC-siRNA prevented inflamm-aging-induced TSPC senescence and dysfunction in a degenerative RCT aged rat model. Together, these data show that inflamm-aging causes degenerative RCT through inducing TSPC senescence, which can be reversed by blocking the IKKβ/NF-κB pathway in vivo. Thus, our study provides a promising therapeutic strategy for degenerative RCT via intra-articular delivery of IKKβ siRNA using AuNCs.
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Affiliation(s)
- Chongyang Wang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Zhekun Zhou
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Wei Song
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Zhuochang Cai
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Zhenyu Ding
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Daoyun Chen
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Fangfang Xia
- Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yaohua He
- Department of Orthopaedics, Jinshan Branch of Shanghai Sixth People's Hospital affiliated to Shanghai University of Medicine & Health Sciences, 147 Jiankang Road, Shanghai 201503, China
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20
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Circular RNA PVT1 inhibits tendon stem/progenitor cell senescence by sponging microRNA-199a-5p. Toxicol In Vitro 2021; 79:105297. [PMID: 34896603 DOI: 10.1016/j.tiv.2021.105297] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 11/23/2021] [Accepted: 12/06/2021] [Indexed: 12/16/2022]
Abstract
Tendon stem/progenitor cell (TSPC) senescence can lead to age-dependent tendon maladies and undermines both tendon repair and replacement capacity in humans. The mechanisms underlying TSPC senescence and sensitivity to adverse factors are complicated. In this study, we analyzed involvement of the circular RNA (circRNA) PVT1 (circPVT1) in TSPC senescence. circPVT1 expression was found to be significantly diminished in human TSPCs under prolonged in vitro culture. Accordingly, circPVT1 knockdown promoted senescence progression and suppressed self renewal, migration, and tenogenic differentiation of TSPCs. Furthermore, we found that circPVT1 directly targets microRNA (miR)-199a-5p thereby attenuating its negative regulation of SIRT1 expression. Either miR-199a-5p inhibition or SIRT1 overexpression attenuated the senescence-boosting effect of circPVT1 knockdown, implying that circPVT1 suppresses TSPC senescence in part by upregulating the miR-199a-5p-SIRT1 signaling axis. Our findings conclusively explain the major roles of circPVT1 in TSPC senescence regulation; circPVT1 is a novel potential therapeutic target for reducing tendon senescence.
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21
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Chen M, Li Y, Xiao L, Dai G, Lu P, Rui Y. Noncanonical Wnt5a signaling regulates tendon stem/progenitor cells senescence. Stem Cell Res Ther 2021; 12:544. [PMID: 34663475 PMCID: PMC8521898 DOI: 10.1186/s13287-021-02605-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/23/2021] [Indexed: 01/11/2023] Open
Abstract
Background The structural and functional properties of tendon decline with age, and these changes contribute to tendon disorder. Tendon stem/progenitor cells (TSPCs) play a vital role in tendon repair, regeneration and homeostasis maintaining. Although studies have demonstrated that tendon aging is closely associated with the altered TSPCs function on senescence, the cellular and molecular mechanisms of TSPCs senescence remain largely unknown. This study was designed to investigate the role of Wnt5a in TSPCs senescence. Methods TSPCs were isolated from 2-month-old and 20-month-old male C57BL/6 mice. The expression of Wnt5a was determined by RNA sequencing, qRT-PCR and western blotting. TSPCs were then treated with Wnt5a shRNA or recombinant Wnt5a or AG490 or IFN-γ or Ror2-siRNA. Western blotting, β-gal staining, qRT-PCR, immunofluorescence staining and cell cycle analysis were used for confirming the role of Wnt5a in TSPCs senescence. Results We found a canonical to noncanonical Wnt signaling shift due to enhanced expression of Wnt5a in aged TSPCs. Functionally, we demonstrated that inhibition of Wnt5a attenuated TSPCs senescence, age-related cell polarity and the senescence-associated secretory phenotype (SASP) expression in aged TSPCs. Mechanistically, the JAK–STAT signaling pathway was activated in aged TSPCs, while Wnt5a knockdown inhibited the JAK–STAT signaling pathway, suggesting that Wnt5a modulates TSPCs senescence via JAK–STAT signaling pathway. Moreover, knockdown of Ror2 inhibited Wnt5a-induced activation of the JAK–STAT signaling pathway, which indicates that Wnt5a potentiates JAK–STAT signaling pathway through Ror2, and Ror2 acts as the functional receptor of Wnt5a in TSPCs senescence. Conclusion Our results demonstrate a critical role of noncanonical Wnt5a signaling in TSPCs senescence, and Wnt5a could be an attractive therapeutic target for antagonizing tendon aging. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02605-1.
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Affiliation(s)
- Minhao Chen
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, No. 87 Ding Jia Qiao, Nanjing, 210009, Jiangsu, People's Republic of China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, 210009, Jiangsu, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China
| | - Yingjuan Li
- China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China.,Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Longfei Xiao
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, No. 87 Ding Jia Qiao, Nanjing, 210009, Jiangsu, People's Republic of China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, 210009, Jiangsu, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China
| | - Guangchun Dai
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, No. 87 Ding Jia Qiao, Nanjing, 210009, Jiangsu, People's Republic of China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, 210009, Jiangsu, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China
| | - Panpan Lu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, No. 87 Ding Jia Qiao, Nanjing, 210009, Jiangsu, People's Republic of China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, 210009, Jiangsu, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China
| | - Yunfeng Rui
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, No. 87 Ding Jia Qiao, Nanjing, 210009, Jiangsu, People's Republic of China. .,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, 210009, Jiangsu, China. .,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, China. .,China Orthopedic Regenerative Medicine Group, Hangzhou, 310000, Zhejiang, China.
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22
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Aquaporins implicated in the cell proliferation and the signaling pathways of cell stemness. Biochimie 2021; 188:52-60. [PMID: 33894294 DOI: 10.1016/j.biochi.2021.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 04/11/2021] [Accepted: 04/16/2021] [Indexed: 12/20/2022]
Abstract
Aquaporins (AQPs) are water channel proteins facilitating passive transport of water and other small molecules across biomembranes. Regulation of osmotic homeostasis via AQPs is accompanied by dynamic participation of various cellular signaling pathways. Recently emerging evidence reveals that functional roles of AQPs are further extended from the osmotic regulation via water permeation into the cell proliferation and differentiation. In particular, anomalous expression of AQPs has been demonstrated in various types of cancer cells and cancer stem-like cells and it has been proposed as markers for proliferation and progression of cancer cells. Thus, a more comprehensive view on AQPs could bring a great interest in the cell stemness accompanied by the expression of AQPs. AQPs are broadly expressed across tissues and cells in a cell type- and lineage-specific manner during development via spatiotemporal transcriptional regulation. Moreover, AQPs are expressed in various adult stem cells and cells associated with a stem cell niche as well as cancer stem-like cells. However, the expression and regulatory mechanisms of AQP expression in stem cells have not been well understood. This review highlighted the AQPs expression in stem cell niches/stem cells and the involvement of AQPs in the cell proliferation and signaling pathways associated with cell stemness.
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23
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Chen M, Xiao L, Dai G, Lu P, Zhang Y, Li Y, Ni M, Rui Y. Inhibition of JAK-STAT Signaling Pathway Alleviates Age-Related Phenotypes in Tendon Stem/Progenitor Cells. Front Cell Dev Biol 2021; 9:650250. [PMID: 33855026 PMCID: PMC8039155 DOI: 10.3389/fcell.2021.650250] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 02/23/2021] [Indexed: 12/14/2022] Open
Abstract
Diminished regeneration or healing capacity of tendon occurs during aging. It has been well demonstrated that tendon stem/progenitor cells (TSPCs) play a vital role in tendon maintenance and repair. Here, we identified an accumulation of senescent TSPCs in tendon tissue with aging. In aged TSPCs, the activity of JAK-STAT signaling pathway was increased. Besides, genetic knockdown of JAK2 or STAT3 significantly attenuated TSPC senescence in aged TSPCs. Pharmacological inhibition of JAK-STAT signaling pathway with AG490 similarly attenuated cellular senescence and senescence-associated secretory phenotype (SASP) of aged TSPCs. In addition, inhibition of JAK-STAT signaling pathway also restored the age-related dysfunctions of TSPCs, including self-renewal, migration, actin dynamics, and stemness. Together, our findings reveal the critical role of JAK-STAT signaling pathway in the regulation of TSPC aging and suggest an ideal therapeutic target for the age-related tendon disorders.
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Affiliation(s)
- Minhao Chen
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Longfei Xiao
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Guangchun Dai
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Panpan Lu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yuanwei Zhang
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yingjuan Li
- Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Ming Ni
- Department of Orthopedics, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yunfeng Rui
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, China
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24
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Wei B, Lu J. Characterization of Tendon-Derived Stem Cells and Rescue Tendon Injury. Stem Cell Rev Rep 2021; 17:1534-1551. [PMID: 33651334 DOI: 10.1007/s12015-021-10143-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2021] [Indexed: 12/12/2022]
Abstract
The natural healing ability of tendon is limited, and it cannot restore the native structure and function of tendon injuries. Tendon-derived stem cells (TDSCs) are a new type of pluripotent stem cells with multi-directional differentiation potential and are expected to become a promising cell-seed for the treatment of tendon injuries in the future. In this review, we outline the latest advances in the culture and identification of TDSCs. In addition, the influencing factors on the differentiation of TDSCs are discussed. Moreover, we aim to discuss recent studies to enhance TDSCs treatment of injured tendons. Finally, we identify the limitations of the current understanding of TDSCs biology, the main challenges of using their use, and potential therapeutic strategies to inform cell-based tendon repair.
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Affiliation(s)
- Bing Wei
- School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Jun Lu
- Department of Orthopaedic Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China.
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25
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Huang Z, Yin Z, Xu J, Fei Y, Heng BC, Jiang X, Chen W, Shen W. Tendon Stem/Progenitor Cell Subpopulations and Their Implications in Tendon Biology. Front Cell Dev Biol 2021; 9:631272. [PMID: 33681210 PMCID: PMC7930382 DOI: 10.3389/fcell.2021.631272] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/27/2021] [Indexed: 12/28/2022] Open
Abstract
Tendon harbors a cell population that possesses stem cell characteristics such as clonogenicity, multipotency and self-renewal capacity, commonly referred to as tendon stem/progenitor cells (TSPCs). Various techniques have been employed to study how TSPCs are implicated in tendon development, homeostasis and healing. Recent advances in single-cell analysis have enabled much progress in identifying and characterizing distinct subpopulations of TSPCs, which provides a more comprehensive view of TSPCs function in tendon biology. Understanding the mechanisms of physiological and pathological processes regulated by TSPCs, especially a particular subpopulation, would greatly benefit treatment of diseased tendons. Here, we summarize the current scientific literature on the various subpopulations of TSPCs, and discuss how TSPCs can contribute to tissue homeostasis and pathogenesis, as well as examine the key modulatory signaling pathways that determine stem/progenitor cell state. A better understanding of the roles that TSPCs play in tendon biology may facilitate the development of novel treatment strategies for tendon diseases.
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Affiliation(s)
- Zizhan Huang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Orthopedics Research Institute, Zhejiang University, Hangzhou, China.,Institute of Sports Medicine, Zhejiang University, Hangzhou, China
| | - Zi Yin
- Institute of Sports Medicine, Zhejiang University, Hangzhou, China.,Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, China.,China Orthopedic Regenerative Medicine (CORMed), Hangzhou, China
| | - Jialu Xu
- Department of Infectious Diseases, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yang Fei
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Orthopedics Research Institute, Zhejiang University, Hangzhou, China.,Institute of Sports Medicine, Zhejiang University, Hangzhou, China
| | - Boon Chin Heng
- School of Stomatology, Peking University, Beijing, China
| | - Xuesheng Jiang
- Department of Orthopedic Surgery, Huzhou Hospital, Zhejiang University, Huzhou, China
| | - Weishan Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Orthopedics Research Institute, Zhejiang University, Hangzhou, China
| | - Weiliang Shen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Orthopedics Research Institute, Zhejiang University, Hangzhou, China.,Institute of Sports Medicine, Zhejiang University, Hangzhou, China.,Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, China.,China Orthopedic Regenerative Medicine (CORMed), Hangzhou, China
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26
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Rapamycin Treatment of Tendon Stem/Progenitor Cells Reduces Cellular Senescence by Upregulating Autophagy. Stem Cells Int 2021; 2021:6638249. [PMID: 33603790 PMCID: PMC7870298 DOI: 10.1155/2021/6638249] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/30/2020] [Accepted: 01/08/2021] [Indexed: 12/21/2022] Open
Abstract
The elderly population is prone to tendinopathy due to aging-related tendon changes such as cellular senescence and a decreased ability to modulate inflammation. Aging can render tendon stem/progenitor cells (TSCs) into premature senescence. We investigated the effects of rapamycin, a specific mTOR inhibitor, on the senescence of TSCs. We first showed that after treatment with bleomycin in vitro, rat patellar TSCs (PTSCs) underwent senescence, characterized by morphological alterations, induction of senescence-associated β-galactosidase (SA-β-gal) activity, and an increase in p53, p21, and p62 protein expression. Senescence of PTSCs was also characterized by the elevated expression of MMP-13 and TNF-α genes, both of which are molecular hallmarks of chronic tendinopathy. We then showed that rapamycin treatment was able to reverse the above senescent phenotypes and increase autophagy in the senescent PTSCs. The activation of autophagy and senescence rescue was, at least partly, due to the translocation of HMGB1 from the nucleus to the cytosol that functions as an autophagy promoter. By reducing TSC senescence, rapamycin may be used as a therapeutic to inhibit tendinopathy development in the aging population by promoting autophagy.
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27
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Zannetti A, Benga G, Brunetti A, Napolitano F, Avallone L, Pelagalli A. Role of Aquaporins in the Physiological Functions of Mesenchymal Stem Cells. Cells 2020; 9:cells9122678. [PMID: 33322145 PMCID: PMC7763964 DOI: 10.3390/cells9122678] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 12/13/2022] Open
Abstract
Aquaporins (AQPs) are a family of membrane water channel proteins that control osmotically-driven water transport across cell membranes. Recent studies have focused on the assessment of fluid flux regulation in relation to the biological processes that maintain mesenchymal stem cell (MSC) physiology. In particular, AQPs seem to regulate MSC proliferation through rapid regulation of the cell volume. Furthermore, several reports have shown that AQPs play a crucial role in modulating MSC attachment to the extracellular matrix, their spread, and migration. Shedding light on how AQPs are able to regulate MSC physiological functions can increase our knowledge of their biological behaviours and improve their application in regenerative and reparative medicine.
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Affiliation(s)
- Antonella Zannetti
- Institute of Biostructure and Bioimaging, CNR, Via T. De Amicis 95, 80145 Naples, Italy
| | - Gheorghe Benga
- Romanian Academy, Cluj-Napoca Branch, Strada Republicii 9, 400015 Cluj-Napoca, Romania
| | - Arturo Brunetti
- Department of Advanced Biomedical Sciences, University of Naples Federico II, via Pansini 5, 80131 Naples, Italy
| | - Francesco Napolitano
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, via Veterinaria 1, 80137 Naples, Italy
- CEINGE-Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80145 Naples, Italy
| | - Luigi Avallone
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, via Veterinaria 1, 80137 Naples, Italy
| | - Alessandra Pelagalli
- Institute of Biostructure and Bioimaging, CNR, Via T. De Amicis 95, 80145 Naples, Italy
- Department of Advanced Biomedical Sciences, University of Naples Federico II, via Pansini 5, 80131 Naples, Italy
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