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Zhu S, Chen W, Masson A, Li YP. Cell signaling and transcriptional regulation of osteoblast lineage commitment, differentiation, bone formation, and homeostasis. Cell Discov 2024; 10:71. [PMID: 38956429 DOI: 10.1038/s41421-024-00689-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 05/04/2024] [Indexed: 07/04/2024] Open
Abstract
The initiation of osteogenesis primarily occurs as mesenchymal stem cells undergo differentiation into osteoblasts. This differentiation process plays a crucial role in bone formation and homeostasis and is regulated by two intricate processes: cell signal transduction and transcriptional gene expression. Various essential cell signaling pathways, including Wnt, BMP, TGF-β, Hedgehog, PTH, FGF, Ephrin, Notch, Hippo, and Piezo1/2, play a critical role in facilitating osteoblast differentiation, bone formation, and bone homeostasis. Key transcriptional factors in this differentiation process include Runx2, Cbfβ, Runx1, Osterix, ATF4, SATB2, and TAZ/YAP. Furthermore, a diverse array of epigenetic factors also plays critical roles in osteoblast differentiation, bone formation, and homeostasis at the transcriptional level. This review provides an overview of the latest developments and current comprehension concerning the pathways of cell signaling, regulation of hormones, and transcriptional regulation of genes involved in the commitment and differentiation of osteoblast lineage, as well as in bone formation and maintenance of homeostasis. The paper also reviews epigenetic regulation of osteoblast differentiation via mechanisms, such as histone and DNA modifications. Additionally, we summarize the latest developments in osteoblast biology spurred by recent advancements in various modern technologies and bioinformatics. By synthesizing these insights into a comprehensive understanding of osteoblast differentiation, this review provides further clarification of the mechanisms underlying osteoblast lineage commitment, differentiation, and bone formation, and highlights potential new therapeutic applications for the treatment of bone diseases.
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Affiliation(s)
- Siyu Zhu
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA
| | - Wei Chen
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA.
| | - Alasdair Masson
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA
| | - Yi-Ping Li
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA.
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Su Z, Lu C, Zhang F, Liu H, Li M, Qiao M, Zou X, Luo D, Li H, He M, Se H, Jing J, Wang X, Yang H, Yang H. Cancer-associated fibroblasts-secreted exosomal miR-92a-3p promotes tumor growth and stemness in hepatocellular carcinoma through activation of Wnt/β-catenin signaling pathway by suppressing AXIN1. J Cell Physiol 2024. [PMID: 38949237 DOI: 10.1002/jcp.31344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 05/29/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
Cancer-associated fibroblasts (CAFs) are a major cellular component in the tumor microenvironment and have been shown to exhibit protumorigenic effects in hepatocellular carcinoma (HCC). This study aimed to delve into the mechanisms underlying the tumor-promoting effects of CAFs in HCC. Small RNA sequencing was conducted to screen differential expressed microRNAs in exosomes derived from CAFs and normal fibroblasts (NFs). The miR-92a-3p expression was then measured using reverse transcriptase quantitative real-time PCR in CAFs, NFs, CAFs-derived exosomes (CAFs-Exo), and NF-derived exosomes (NFs-Exo). Compared to NFs or NF-Exo, CAFs and CAFs-Exo significantly promoted HCC cell proliferation, migration, and stemness. Additionally, compared to NFs or NF-Exo, miR-92a-3p level was notably higher in CAFs and CAFs-Exo, respectively. Exosomal miR-92a-3p was found to enhance HCC cell proliferation, migration, and stemness. Meanwhile, AXIN1 was targeted by miR-92a-3p. Exosomal miR-92a-3p could activate β-catenin/CD44 signaling in HCC cells by inhibiting AXIN1 messenger RNA. Furthermore, in vivo studies verified that exosomal miR-92a-3p notably promoted tumor growth and stemness through targeting AXIN1/β-catenin axis. Collectively, CAFs secreted exosomal miR-92a-3p was capable of promoting growth and stemness in HCC through activation of Wnt/β-catenin signaling pathway by suppressing AXIN1. Therefore, targeting CAFs-derived miR-92a-3p may be a potential strategy for treating HCC.
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Affiliation(s)
- Zenong Su
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Department of Graduate School, Baotou Medical College, Baotou, Inner Mongolia Autonomous Region, China
| | - Chao Lu
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Department of Graduate School, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Feifei Zhang
- Department of Nuclear Medicine, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Huan Liu
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Department of Graduate School, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Meiqing Li
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Meng Qiao
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Xiaohong Zou
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Danyang Luo
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Haojing Li
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Min He
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Han Se
- Department of Graduate School, Baotou Medical College, Baotou, Inner Mongolia Autonomous Region, China
| | - Jing Jing
- Department of Graduate School, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Xiangcheng Wang
- Department of Nuclear Medicine, Shenzhen People's Hospital, Shenzhen, Guangzhou, China
| | - Hao Yang
- Department of Radiation Oncology, Peking University Cancer Hospital (Inner Mongolia Campus) & Affiliated Cancer Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Hong Yang
- Department of Oncology, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
- Institute of Cancer, Inner Mongolia People's Hospital, People's Hospital of Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
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Timberlake AT, Hemal K, Gustafson JA, Hao LT, Valenzuela I, Slavotinek A, Cunningham ML, Kahle KT, Lifton RP, Persing JA. AXIN1 mutations in nonsyndromic craniosynostosis. J Neurosurg Pediatr 2024:1-6. [PMID: 38905707 PMCID: PMC11200303 DOI: 10.3171/2024.5.peds24115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/22/2024] [Indexed: 06/23/2024]
Abstract
OBJECTIVE Occurring once in every 2000 live births, craniosynostosis (CS) is the most frequent cranial birth defect. Although the genetic etiologies of syndromic CS cases are well defined, the genetic cause of most nonsyndromic cases remains unknown. METHODS The authors analyzed exome or RNA sequencing data from 876 children with nonsyndromic CS, including 291 case-parent trios and 585 additional probands. The authors also utilized the GeneMatcher platform and the Gabriella Miller Kids First genome sequencing project to identify additional CS patients with AXIN1 mutations. RESULTS The authors describe 11 patients with nonsyndromic CS harboring rare, damaging mutations in AXIN1, an inhibitor of Wnt signaling. AXIN1 regulates signaling upstream of key mediators of osteoblast differentiation. Three of the 6 mutations identified in trios occurred de novo in the proband, while 3 were transmitted from unaffected parents. Patients with nonsyndromic CS were highly enriched for mutations in AXIN1 compared to both expectation (p = 0.0008) and exome sequencing data from > 76,000 healthy controls (p = 2.3 × 10-6), surpassing the thresholds for genome-wide significance. CONCLUSIONS These findings describe the first phenotype associated with mutations in AXIN1, with mutations identified in approximately 1% of nonsyndromic CS cases. The results strengthen the existing link between Wnt signaling and maintenance of cranial suture patency and have implications for genetic testing in families with CS.
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Affiliation(s)
- Andrew T. Timberlake
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Medical Center, New York, New York
| | - Kshipra Hemal
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Medical Center, New York, New York
| | - Jonas A. Gustafson
- Department of Pediatrics, Center for Developmental Biology and Regenerative Medicine, Seattle Children’s Research Institute, University of Washington, Seattle, Washington
| | - Le Thi Hao
- Department of Neurosurgery, Harvard Medical School, and Massachusetts General Hospital, Boston, Massachusetts
| | - Irene Valenzuela
- Department of Clinical and Molecular Genetics, Rare Disease Unit, Medical Genetics Group, Vall Hebron Research Institute, Barcelona, Spain
| | - Anne Slavotinek
- Department of Pediatrics, Division of Medical Genetics, University of California, San Francisco, California
- Department of Pediatrics, Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Michael L. Cunningham
- Department of Pediatrics, Center for Developmental Biology and Regenerative Medicine, Seattle Children’s Research Institute, University of Washington, Seattle, Washington
| | - Kristopher T. Kahle
- Department of Neurosurgery, Harvard Medical School, and Massachusetts General Hospital, Boston, Massachusetts
| | | | - John A. Persing
- Department of Surgery, Division of Plastic Surgery, Yale School of Medicine, New Haven, Connecticut
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Cheng S, Hu X, Sun K, Huang Z, Zhao Y, Sun Y, Zeng B, Wang J, Zhao D, Lu S, Shi Q, Wang Y, Zhang W, Liu X, Shu B. Local Application of Tanshinone IIA protects mesenchymal stem cells from apoptosis and promotes fracture healing in ovariectomized mice. J Orthop Surg Res 2024; 19:309. [PMID: 38783358 PMCID: PMC11112815 DOI: 10.1186/s13018-024-04793-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Elderly patients suffering from osteoporotic fractures are more susceptible to delayed union or nonunion, and their bodies then are in a state of low-grade chronic inflammation with decreased antioxidant capacity. Tanshinone IIA is widely used in treating cardiovascular and cerebrovascular diseases in China and has anti-inflammatory and antioxidant effects. We aimed to observe the antioxidant effects of Tanshinone IIA on mesenchymal stem cells (MSCs), which play important roles in bone repair, and the effects of local application of Tanshinone IIA using an injectable biodegradable hydrogel on osteoporotic fracture healing. METHODS MSCs were pretreated with or without different concentrations of Tanshinone IIA followed by H2O2 treatment. Ovariectomized (OVX) C57BL/6 mice received a mid-shaft transverse osteotomy fracture on the left tibia, and Tanshinone IIA was applied to the fracture site using an injectable hydrogel. RESULTS Tanshinone IIA pretreatment promoted the expression of nuclear factor erythroid 2-related factor 2 and antioxidant enzymes, and inhibited H2O2-induced reactive oxygen species accumulation in MSCs. Furthermore, Tanshinone IIA reversed H2O2-induced apoptosis and decrease in osteogenic differentiation in MSCs. After 4 weeks of treatment with Tanshinone IIA in OVX mice, the bone mineral density of the callus was significantly increased and the biomechanical properties of the healed tibias were improved. Cell apoptosis was decreased and Nrf2 expression was increased in the early stage of callus formation. CONCLUSIONS Taken together, these results indicate that Tanshinone IIA can activate antioxidant enzymes to protect MSCs from H2O2-induced cell apoptosis and osteogenic differentiation inhibition. Local application of Tanshinone IIA accelerates fracture healing in ovariectomized mice.
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Affiliation(s)
- Shao Cheng
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
- School of Orthopedics, Henan University of Chinese Medicine, Zhengzhou, 450002, China
| | - Xiaohui Hu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Kanghui Sun
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Ziyu Huang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Yongjian Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Yueli Sun
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Bo Zeng
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Jing Wang
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Dongfeng Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Sheng Lu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Qi Shi
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Yongjun Wang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai, 200237, China.
| | - Xinhua Liu
- Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Bing Shu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China.
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China.
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Yoon DS, Oh SE, Lee KM, Jung S, Ko EA, Kim TG, Park KH, Lee JW. Age-Related Decrease in Pellino-1 Expression Contributes to Osteoclast-Mediated Bone Loss. Adv Biol (Weinh) 2024:e2400210. [PMID: 38712476 DOI: 10.1002/adbi.202400210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Indexed: 05/08/2024]
Abstract
Aging-related bone loss is driven by various biological factors, such as imbalanced bone metabolism from decreased osteoblast and increased osteoclast activities. Various transcriptional and post-transcriptional factors increase osteoclast activity with aging; however, studies regarding the post-translational regulators of osteoclast activity are still limited. The ubiquitin E3 ligase Pellino-1 is a well-known post-translational regulator of inflammation. However, how Pellino-1 expression regulation affects osteoclast differentiation remains unclear. This study determined that Pellino-1 levels are reduced in bone marrow monocytes (BMMs) from 40-week-old mice compared to 4-week-old mice. Interestingly, conditional Knockout (cKO) of Pellino-1 in 6-week-old mice resulted in decreased bone mass, reduced body size, and lower weight than in Pellino-1 floxed mice; however, these differences are not observed in 20-week-old mice. The increased number of tartrate-resistant acid phosphatase (TRAP)-positive cells and serum levels of C-terminal telopeptides of type I collagen, a marker of bone resorption, in 6-week-old Pellino-1 cKO mice implied a connection between Pellino-1 and the osteoclast population. Enhanced TRAP activity and upregulation of osteoclast genes in BMMs from the cKO mice indicate that Pellino-1 deletion affects osteoclast differentiation, leading to decreased bone mass and heightened osteoclast activity. Thus, targeting Pellino-1 could be a potential gene therapy for managing and preventing osteoporosis.
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Affiliation(s)
- Dong Suk Yoon
- Department of Biomedical Science, Hwasung Medi-Science University, Hwasung, Gyeonggi-Do, 18274, South Korea
- Stem Cell and Aging Laboratory, Institute of HSMU Medi-Science, Hwasung Medi-Science University, Hwaseong, Gyeonggi-Do, 18274, South Korea
| | - Seung Eun Oh
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
- Department of Orthopaedic Surgery, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Kyoung-Mi Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
- Department of Orthopaedic Surgery, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Sujin Jung
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
- Department of Orthopaedic Surgery, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Eun Ae Ko
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Tae-Gyun Kim
- Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, South Korea
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Jin Woo Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, 03722, South Korea
- Department of Orthopaedic Surgery, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, 03722, South Korea
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Qiu L, Sun Y, Ning H, Chen G, Zhao W, Gao Y. The scaffold protein AXIN1: gene ontology, signal network, and physiological function. Cell Commun Signal 2024; 22:77. [PMID: 38291457 PMCID: PMC10826278 DOI: 10.1186/s12964-024-01482-4] [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: 10/23/2023] [Accepted: 01/06/2024] [Indexed: 02/01/2024] Open
Abstract
AXIN1, has been initially identified as a prominent antagonist within the WNT/β-catenin signaling pathway, and subsequently unveiled its integral involvement across a diverse spectrum of signaling cascades. These encompass the WNT/β-catenin, Hippo, TGFβ, AMPK, mTOR, MAPK, and antioxidant signaling pathways. The versatile engagement of AXIN1 underscores its pivotal role in the modulation of developmental biological signaling, maintenance of metabolic homeostasis, and coordination of cellular stress responses. The multifaceted functionalities of AXIN1 render it as a compelling candidate for targeted intervention in the realms of degenerative pathologies, systemic metabolic disorders, cancer therapeutics, and anti-aging strategies. This review provides an intricate exploration of the mechanisms governing mammalian AXIN1 gene expression and protein turnover since its initial discovery, while also elucidating its significance in the regulation of signaling pathways, tissue development, and carcinogenesis. Furthermore, we have introduced the innovative concept of the AXIN1-Associated Phosphokinase Complex (AAPC), where the scaffold protein AXIN1 assumes a pivotal role in orchestrating site-specific phosphorylation modifications through interactions with various phosphokinases and their respective substrates.
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Affiliation(s)
- Lu Qiu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Yixuan Sun
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China
| | - Haoming Ning
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China
| | - Guanyu Chen
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China
| | - Wenshan Zhao
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China.
| | - Yanfeng Gao
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China.
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Zhao S, Guo L, Cui W, Zhao Y, Wang J, Sun K, Zhang H, Sun Y, Zhao D, Hu X, Huang Z, Lu S, Wang Y, Liu X, Zhang W, Shu B. Monotropein Protects Mesenchymal Stem Cells from Lipopolysaccharide-Induced Impairments and Promotes Fracture Healing in an Ovariectomized Mouse Model. Calcif Tissue Int 2023; 113:558-570. [PMID: 37747519 DOI: 10.1007/s00223-023-01130-y] [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: 03/28/2023] [Accepted: 08/07/2023] [Indexed: 09/26/2023]
Abstract
Monotropein is one of the active ingredients in Morinda Officinalis, which has been used for the treatment in multiple bone and joint diseases. This study aimed to observe the in vitro effects of Monotropein on osteogenic differentiation of lipopolysaccharide treated bone marrow mesenchymal stem cells (bMSCs), and the in vivo effects of local application of Monotropein on bone fracture healing in ovariectomized mice. Lipopolysaccharide was used to set up the inflammatory model in bMSCs, which were treated by Monotropein. Molecular docking analysis was performed to evaluate the potential interaction between Monotropein and p65. Transverse fractures of middle tibias were established in ovariectomized mice, and Monotropein was locally applied to the fracture site using injectable hydrogel. Monotropein enhanced the ability of primary bMSCs in chondro-osteogenic differentiation. Furthermore, Monotropein rescued lipopolysaccharide-induced osteogenic differentiation impairment and inhibited lipopolysaccharide-induced p65 phosphorylation in primary bMSCs. Docking analysis showed that the binding activity of Monotropein and p65/14-3-3 complex is stronger than the selective inhibitor of NF-κB (p65), DP-005. Local application of Monotropein partially rescued the decreased bone mass and biomechanical properties of callus or healed tibias in ovariectomized mice. The expressions of Runx2, Osterix and Collagen I in the 2-week callus were partially restored in Monotropein-treated ovariectomized mice. Taking together, local application of Monotropein promoted fracture healing in ovariectomized mice. Inhibition of p65 phosphorylation and enhancement in osteogenesis of mesenchymal stem cells could be partial of the effective mechanisms.
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Affiliation(s)
- Shitian Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Liqiang Guo
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Wei Cui
- Caolu Community Health Service Center, Shanghai, 200120, China
| | - Yongjian Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Jing Wang
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Kanghui Sun
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Hong Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Yueli Sun
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Dongfeng Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Xiaohui Hu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Ziyu Huang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Sheng Lu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Yongjun Wang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China
| | - Xinhua Liu
- Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Bing Shu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China.
- Spine Institute, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200032, China.
- Key Laboratory, Ministry of Education of China, Shanghai, 200032, China.
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8
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Ge Q, Yang S, Qian Y, Chen J, Yuan W, Li S, Wang P, Li R, Zhang L, Chen G, Kan H, Rajagopalan S, Sun Q, Zheng HF, Jin H, Liu C. Ambient PM2.5 Exposure and Bone Homeostasis: Analysis of UK Biobank Data and Experimental Studies in Mice and in Vitro. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:107002. [PMID: 37792558 PMCID: PMC10549986 DOI: 10.1289/ehp11646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/22/2023] [Accepted: 09/14/2023] [Indexed: 10/06/2023]
Abstract
BACKGROUND Previous evidence has identified exposure to fine ambient particulate matter (PM 2.5 ) as a leading risk factor for adverse health outcomes. However, to date, only a few studies have examined the potential association between long-term exposure to PM 2.5 and bone homeostasis. OBJECTIVE We sought to examine the relationship between long-term PM 2.5 exposure and bone health and explore its potential mechanism. METHODS This research included both observational and experimental studies. First, based on human data from UK Biobank, linear regression was used to explore the associations between long-term exposure to PM 2.5 (i.e., annual average PM 2.5 concentration for 2010) and bone mineral density [BMD; i.e., heel BMD (n = 37,440 ) and femur neck and lumbar spine BMD (n = 29,766 )], which were measured during 2014-2020. For the experimental animal study, C57BL/6 male mice were assigned to ambient PM 2.5 or filtered air for 6 months via a whole-body exposure system. Micro-computed tomography analyses were applied to measure BMD and bone microstructures. Biomarkers for bone turnover and inflammation were examined with histological staining, immunohistochemistry staining, and enzyme-linked immunosorbent assay. We also performed tartrate-resistant acid phosphatase (TRAP) staining and bone resorption assay to determine the effect of PM 2.5 exposure on osteoclast activity in vitro. In addition, the potential downstream regulators were assessed by real-time polymerase chain reaction and western blot. RESULTS We observed that long-term exposure to PM 2.5 was significantly associated with lower BMD at different anatomical sites, according to the analysis of UK Biobank data. In experimental study, mice exposed long-term to PM 2.5 exhibited excessive osteoclastogenesis, dysregulated osteogenesis, higher tumor necrosis factor-alpha (TNF- α ) expression, and shorter femur length than control mice, but they demonstrated no significant differences in femur structure or BMD. In vitro, cells stimulated with conditional medium of PM 2.5 -stimulated macrophages had aberrant osteoclastogenesis and differences in the protein/mRNA expression of members of the TNF- α / Traf 6 / c -Fos pathway, which could be partially rescued by TNF- α inhibition. DISCUSSION Our prospective observational evidence suggested that long-term exposure to PM 2.5 is associated with lower BMD and further experimental results demonstrated exposure to PM 2.5 could disrupt bone homeostasis, which may be mediated by inflammation-induced osteoclastogenesis. https://doi.org/10.1289/EHP11646.
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Affiliation(s)
- Qinwen Ge
- Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, China
| | - Sijia Yang
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yu Qian
- Diseases and Population Geninfo Lab, School of Life Sciences, Westlake University, Hangzhou, China
- Westlake Laboratory of Life Sciences and Biomedicine, Westlake University, Hangzhou, China
| | - Jiali Chen
- Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, China
| | - Wenhua Yuan
- Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, China
| | - Sanduo Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
| | - Pinger Wang
- Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, China
| | - Ran Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Hangzhou, China
| | - Lu Zhang
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Hangzhou, China
| | - Guobo Chen
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, Hangzhou Medical College, Hangzhou, China
| | - Haidong Kan
- College of Public Health, Fudan University, Shanghai, China
| | - Sanjay Rajagopalan
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Qinghua Sun
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Hangzhou, China
| | - Hou-Feng Zheng
- Diseases and Population Geninfo Lab, School of Life Sciences, Westlake University, Hangzhou, China
- Westlake Laboratory of Life Sciences and Biomedicine, Westlake University, Hangzhou, China
| | - Hongting Jin
- Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, China
| | - Cuiqing Liu
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Hangzhou, China
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9
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Terhal P, Venhuizen AJ, Lessel D, Tan WH, Alswaid A, Grün R, Alzaidan HI, von Kroge S, Ragab N, Hempel M, Kubisch C, Novais E, Cristobal A, Tripolszki K, Bauer P, Fischer-Zirnsak B, Nievelstein RAJ, van Dijk A, Nikkels P, Oheim R, Hahn H, Bertoli-Avella A, Maurice MM, Kornak U. AXIN1 bi-allelic variants disrupting the C-terminal DIX domain cause craniometadiaphyseal osteosclerosis with hip dysplasia. Am J Hum Genet 2023; 110:1470-1481. [PMID: 37582359 PMCID: PMC10502735 DOI: 10.1016/j.ajhg.2023.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/17/2023] Open
Abstract
Sclerosing skeletal dysplasias result from an imbalance between bone formation and resorption. We identified three homozygous, C-terminally truncating AXIN1 variants in seven individuals from four families affected by macrocephaly, cranial hyperostosis, and vertebral endplate sclerosis. Other frequent findings included hip dysplasia, heart malformations, variable developmental delay, and hematological anomalies. In line with AXIN1 being a central component of the β-catenin destruction complex, analyses of primary and genome-edited cells harboring the truncating variants revealed enhanced basal canonical Wnt pathway activity. All three AXIN1-truncating variants resulted in reduced protein levels and impaired AXIN1 polymerization mediated by its C-terminal DIX domain but partially retained Wnt-inhibitory function upon overexpression. Addition of a tankyrase inhibitor attenuated Wnt overactivity in the AXIN1-mutant model systems. Our data suggest that AXIN1 coordinates the action of osteoblasts and osteoclasts and that tankyrase inhibitors can attenuate the effects of AXIN1 hypomorphic variants.
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Affiliation(s)
- Paulien Terhal
- Division of Laboratories, Pharmacy and Biomedical Genetics, University Medical Centre Utrecht, 3584EA Utrecht, the Netherlands.
| | - Anton J Venhuizen
- Center for Molecular Medicine and Oncode Institute, University Medical Centre Utrecht, 3584CG Utrecht, the Netherlands
| | - Davor Lessel
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; Institute of Human Genetics, University Hospital Salzburg, Paracelsus Medical University, 5020 Salzburg, Austria
| | - Wen-Hann Tan
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Abdulrahman Alswaid
- Department of Pediatrics, King Abdullah Specialized Children's Hospital, Riyadh 14611, Saudi Arabia; King Saud Bin Abdulaziz University For Health Sciences, Riyadh 22490, Saudi Arabia
| | - Regina Grün
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Hamad I Alzaidan
- Medical Genetics Department, King Faisal Specialist Hospital and Research Center, Alfaisal University, Riyadh 11211, Saudi Arabia
| | - Simon von Kroge
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany
| | - Nada Ragab
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Maja Hempel
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; Institute of Human Genetics, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Christian Kubisch
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Eduardo Novais
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, MA 02115, USA
| | - Alba Cristobal
- Center for Molecular Medicine and Oncode Institute, University Medical Centre Utrecht, 3584CG Utrecht, the Netherlands
| | | | - Peter Bauer
- Centogene GmbH, 18055 Rostock, Germany; University Hospital Rostock, Internal Medicine, Hemato-oncology, 18057 Rostock, Germany
| | - Björn Fischer-Zirnsak
- Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Rutger A J Nievelstein
- Department of Radiology & Nuclear Medicine, University Medical Centre Utrecht, 3584CX Utrecht, the Netherlands
| | - Atty van Dijk
- Expert Center for Skeletal Dysplasia, Wilhelmina Children's Hospital, University Medical Center Utrecht, 3584EA Utrecht, the Netherlands
| | - Peter Nikkels
- Department of Pathology, University Medical Centre Utrecht, 3584CX Utrecht, the Netherlands
| | - Ralf Oheim
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany
| | - Heidi Hahn
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany
| | | | - Madelon M Maurice
- Center for Molecular Medicine and Oncode Institute, University Medical Centre Utrecht, 3584CG Utrecht, the Netherlands
| | - Uwe Kornak
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany; Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany.
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10
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Zeng M, Wang X, Chen T, Ruan G, Li J, Xue S, Zhao Y, Hu Z, Xie Y, Fan T, Chen S, Li Y, Wang Q, Zhang Y, Zhang R, Lin L, Ding C, Zhu Z. Comprehensive analysis on subchondral bone marrow lesions of human osteoarthritis by integrating bulk and single-cell transcriptomes. BMC Musculoskelet Disord 2023; 24:677. [PMID: 37626330 PMCID: PMC10463447 DOI: 10.1186/s12891-023-06676-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 06/29/2023] [Indexed: 08/27/2023] Open
Abstract
OBJECTIVE This study aims to demonstrate the cellular composition and underlying mechanisms in subchondral bone marrow lesions (BMLs) of knee osteoarthritis (OA). METHODS BMLs were assessed by MRI Osteoarthritis Knee Score (MOAKS)≥2. Bulk RNA-sequencing (bulk-seq) and BML-specific differentially expressed genes (DEGs) analysis were performed among subchondral bone samples (including OA-BML=3, paired OA-NBML=3; non-OA=3). The hub genes of BMLs were identified by verifying in independent datasets and multiple bioinformatic analyses. To further estimate cell-type composition of subchondral bone, we utilized two newly developed deconvolution algorithms (MuSiC, MCP-counter) in transcriptomic datasets, based on signatures from open-accessed single-cell RNA sequencing (scRNA-seq). Finally, competing endogenous RNA (ceRNA) and transcription factor (TF) networks were constructed through multiple predictive databases, and validated by public non-coding RNA profiles. RESULTS A total of 86 BML-specific DEGs (up 79, down 7) were identified. IL11 and VCAN were identified as core hub genes. The "has-miR-424-5p/lncRNA PVT1" was determined as crucial network, targeting IL11 and VCAN, respectively. More importantly, two deconvolution algorithms produced approximate estimations of cell-type composition, and the cluster of heterotopic-chondrocyte was discovered abundant in BMLs, and positively correlated with the expression of hub genes. CONCLUSION IL11 and VCAN were identified as the core hub genes of BMLs, and their molecular networks were determined as well. We profiled the characteristics of subchondral bone at single-cell level and determined that the heterotopic-chondrocyte was abundant in BMLs and was closely linked to IL11 and VCAN. Our study may provide new insights into the microenvironment and pathological molecular mechanism of BMLs, and could lead to novel therapeutic strategies.
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Affiliation(s)
- Muhui Zeng
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
- Department of Orthopedics, General Hospital of Southern Theater Command of PLA, Guangzhou, Guangdong, China
| | - Xiaoshuai Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Tianyu Chen
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Guangfeng Ruan
- Clinical Research Centre, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Jia Li
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Song Xue
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yang Zhao
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Zhiyang Hu
- Sun Yat-sen University School of Medicine, Sun Yat-sen University, Shenzhen, China
| | - Ye Xie
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Tianxiang Fan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Shibo Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Yang Li
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Qianyi Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Yue Zhang
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Rongkai Zhang
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Lijun Lin
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China.
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
| | - Zhaohua Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, Guangdong, China.
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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11
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Dienes B, Bazsó T, Szabó L, Csernoch L. The Role of the Piezo1 Mechanosensitive Channel in the Musculoskeletal System. Int J Mol Sci 2023; 24:ijms24076513. [PMID: 37047487 PMCID: PMC10095409 DOI: 10.3390/ijms24076513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Since the recent discovery of the mechanosensitive Piezo1 channels, many studies have addressed the role of the channel in various physiological or even pathological processes of different organs. Although the number of studies on their effects on the musculoskeletal system is constantly increasing, we are still far from a precise understanding. In this review, the knowledge available so far regarding the musculoskeletal system is summarized, reviewing the results achieved in the field of skeletal muscles, bones, joints and cartilage, tendons and ligaments, as well as intervertebral discs.
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12
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Fisher CR, Salmons HI, Mandrekar J, Greenwood-Quaintance KE, Abdel MP, Patel R. A 92 protein inflammation panel performed on sonicate fluid differentiates periprosthetic joint infection from non-infectious causes of arthroplasty failure. Sci Rep 2022; 12:16135. [PMID: 36167782 PMCID: PMC9514711 DOI: 10.1038/s41598-022-20444-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 09/13/2022] [Indexed: 12/01/2022] Open
Abstract
Periprosthetic joint infection (PJI) is a major complication of total joint arthroplasty, typically necessitating surgical intervention and prolonged antimicrobial therapy. Currently, there is no perfect assay for PJI diagnosis. Proteomic profiling of sonicate fluid has the potential to differentiate PJI from non-infectious arthroplasty failure (NIAF) and possibly clinical subsets of PJI and/or NIAF. In this study, 200 sonicate fluid samples, including 90 from subjects with NIAF (23 aseptic loosening, 35 instability, 10 stiffness, five osteolysis, and 17 other) and 110 from subjects with PJI (40 Staphylococcus aureus, 40 Staphylococcus epidermidis, 10 Staphylococcus lugdunensis, 10 Streptococcus agalactiae, and 10 Enterococcus faecalis) were analyzed by proximity extension assay using the 92 protein Inflammation Panel from Olink Proteomics. Thirty-seven of the 92 proteins examined, including CCL20, OSM, EN-RAGE, IL8, and IL6, were differentially expressed in PJI versus NIAF sonicate fluid samples, with none of the 92 proteins differentially expressed between staphylococcal versus non-staphylococcal PJI, nor between the different types of NIAF studied. IL-17A and CCL11 were differentially expressed between PJI caused by different bacterial species, with IL-17A detected at higher levels in S. aureus compared to S. epidermidis and S. lugdunensis PJI, and CCL11 detected at higher levels in S. epidermidis compared to S. aureus and S. agalactiae PJI. Receiver operative characteristic curve analysis identified individual proteins and combinations of proteins that could differentiate PJI from NIAF. Overall, proteomic profiling using this small protein panel was able to differentiate between PJI and NIAF sonicate samples and provide a better understanding of the immune response during arthroplasty failure.
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Affiliation(s)
- Cody R Fisher
- Department of Immunology, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, USA
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Harold I Salmons
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Jay Mandrekar
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Department of Quantitative Sciences, Mayo Clinic, Rochester, MN, USA
| | - Kerryl E Greenwood-Quaintance
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Robin Patel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA.
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13
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Maduranga Karunarathne WAH, Choi YH, Park SR, Lee CM, Kim GY. Bisphenol A inhibits osteogenic activity and causes bone resorption via the activation of retinoic acid-related orphan receptor α. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129458. [PMID: 35780740 DOI: 10.1016/j.jhazmat.2022.129458] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/13/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol A (BPA) has deleterious effects on bone metabolism; however, its underlying mechanism has not yet been comprehensively understood. Here, we investigated whether RORα plays an important role in BPA-induced bone resorption both in vitro and in vivo. We found that BPA (0.1-1 μM) inhibited osteogenic activity (including ALP activity and mineralization), decreased the expression levels of osteoblast markers (such as RUNX2, OSX, and ALP) in human MG-63 osteoblast-like osteosarcoma cells, and inhibited spontaneous vertebral formation in zebrafish larvae. Additionally, BPA diminished β-glycerophosphate-induced osteoblast differentiation and vertebral formation, while simultaneously downregulating the expression levels of RUNX2a, OSX, and ALP. Furthermore, molecular docking data showed that a hydroxyl group of BPA dominantly binds to the H3 (ALA70) and/or H5 (ARG107) of RORα-ligand binding domain with hydrogen bonding (ALA330 and/or ARG367 in the full length of RORα, respectively), which another hydroxyl group of BPA fits into H3, H6, and H7 elements with non-covalent interactions, resulting in the activation of RORα. However, an RORα inverse agonist potently inhibited BPA-induced anti-osteogenic activity and vertebral formation in zebrafish larvae, concomitant with inhibition of osteogenic gene expression. Overall, our findings reveal that BPA inhibits osteoblast differentiation and bone formation by activating RORα. These results suggest that BPA exposure (0.1-1 μM) can cause various bone-resorptive diseases, such as osteoporosis.
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Affiliation(s)
| | - Yung Hyun Choi
- Department of Biochemistry, College of Korean Medicine, Dong-Eui University, Busan 47227, Republic of Korea
| | - Sang Rul Park
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Chang-Min Lee
- Department of Molecular Microbiology and Immunology, Division of Biology and Medicine, Brown University, 185 Meeting St., Providence, RI 02912, USA
| | - Gi-Young Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea.
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14
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GATA4 and estrogen receptor alpha bind at SNPs rs9921222 and rs10794639 to regulate AXIN1 expression in osteoblasts. Hum Genet 2022; 141:1849-1861. [PMID: 35678873 DOI: 10.1007/s00439-022-02463-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 05/21/2022] [Indexed: 11/04/2022]
Abstract
Osteoporosis is a serious public health problem that affects 200 million people worldwide. Genome-wide association studies have revealed the association between several single nucleotide polymorphisms (SNPs) near WNT/β-catenin signaling genes and bone mineral density (BMD). The activation of β-catenin by WNT ligands is required for osteoblast differentiation. SNP rs9921222 is an intronic variant of AXIN1 (a scaffold protein in the destruction complex that regulates β-catenin signaling) that correlates with BMD. However, the biological mechanism of SNP rs9921222 has never been reported. Here, we show that the genotype of SNP rs9921222 correlates with the expression of AXIN1 in human osteoblasts. RNA and genomic DNA were analyzed from primary osteoblasts from 111 different individuals. Homozygous TT at rs9921222 correlates with a higher expression of AXIN1 than homozygous CC. Regional association analysis showed that rs9921222 is in high linkage disequilibrium (LD) with SNP rs10794639. In silico transcription factor analysis predicted that rs9921222 is within a GATA4 motif and rs10794639 is adjacent to an estrogen receptor alpha (ERα) motif. Mechanistically, GATA4 and ERα bind at SNPs rs9921222 and rs10794639 as detected by ChIP-qPCR. Luciferase assays demonstrate that rs9921222 is the causal SNP to alter ERα and GATA4 binding. GATA4 promoted the expression, and in contrast, ERα suppressed the expression of AXIN1 via the histone deacetylase complex member SIN3A. Functionally, the level of AXIN1 negatively correlates with the level of transcriptionally active β-catenin. In summary, we have discovered a molecular mechanism of the SNP rs9921222 to regulate AXIN1 through GATA4 and ERα binding in human osteoblasts.
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15
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Drug repositioning of polaprezinc for bone fracture healing. Commun Biol 2022; 5:462. [PMID: 35577977 PMCID: PMC9110432 DOI: 10.1038/s42003-022-03424-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 04/25/2022] [Indexed: 11/25/2022] Open
Abstract
Fractures and related complications are a common challenge in the field of skeletal tissue engineering. Vitamin D and calcium are the only broadly available medications for fracture healing, while zinc has been recognized as a nutritional supplement for healthy bones. Here, we aimed to use polaprezinc, an anti-ulcer drug and a chelate form of zinc and L-carnosine, as a supplement for fracture healing. Polaprezinc induced upregulation of osteogenesis-related genes and enhanced the osteogenic potential of human bone marrow-derived mesenchymal stem cells and osteoclast differentiation potential of mouse bone marrow-derived monocytes. In mouse experimental models with bone fractures, oral administration of polaprezinc accelerated fracture healing and maintained a high number of both osteoblasts and osteoclasts in the fracture areas. Collectively, polaprezinc promotes the fracture healing process efficiently by enhancing the activity of both osteoblasts and osteoclasts. Therefore, we suggest that drug repositioning of polaprezinc would be helpful for patients with fractures. Polaprezinc promoted both osteoblast and osteoclast differentiation and altered YAP protein expression in vitro, and animals treated with polaprezinc showed greater bone formation in their fracture calluses after 21 days.
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16
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Hou M, Bai B, Tian B, Ci Z, Liu Y, Zhou G, Cao Y. Cartilage Regeneration Characteristics of Human and Goat Auricular Chondrocytes. Front Bioeng Biotechnol 2022; 9:766363. [PMID: 34993186 PMCID: PMC8724709 DOI: 10.3389/fbioe.2021.766363] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/01/2021] [Indexed: 11/13/2022] Open
Abstract
Although cartilage regeneration technology has achieved clinical breakthroughs, whether auricular chondrocytes (AUCs) represent optimal seed cells to achieve stable cartilage regeneration is not clear. In this study, we systematically explore biological behaviors of human- and goat-derived AUCs during in vitro expansion as well as cartilage regeneration in vitro and in vivo. To eliminate material interference, a cell sheet model was used to evaluate the feasibility of dedifferentiated AUCs to re-differentiate and regenerate cartilage in vitro and in vivo. We found that the dedifferentiated AUCs could re-differentiate and regenerate cartilage sheets under the chondrogenic medium system, and the generated chondrocyte sheets gradually matured with increased in vitro culture time (2, 4, and 8 weeks). After the implantation of cartilage sheets with different in vitro culture times in nude mice, optimal neocartilage was formed in the group with 2 weeks in vitro cultivation. After in vivo implantation, ossification only occurred in the group with goat-regenerated cartilage sheet of 8 weeks in vitro cultivation. These results, which were confirmed in human and goat AUCs, suggest that AUCs are ideal seed cells for the clinical translation of cartilage regeneration under the appropriate culture system and culture condition.
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Affiliation(s)
- Mengjie Hou
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Tissue Engineering Center of China, Shanghai, China
| | - Baoshuai Bai
- National Tissue Engineering Center of China, Shanghai, China.,Research Institute of Plastic Surgery, Wei Fang Medical College, Weifang, China
| | - Baoxing Tian
- Department of Breast Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zheng Ci
- National Tissue Engineering Center of China, Shanghai, China.,Research Institute of Plastic Surgery, Wei Fang Medical College, Weifang, China
| | - Yu Liu
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Tissue Engineering Center of China, Shanghai, China.,Research Institute of Plastic Surgery, Wei Fang Medical College, Weifang, China
| | - Guangdong Zhou
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Tissue Engineering Center of China, Shanghai, China.,Research Institute of Plastic Surgery, Wei Fang Medical College, Weifang, China
| | - Yilin Cao
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Tissue Engineering Center of China, Shanghai, China
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17
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Yuan G, Yang S. Effect of Regulator of G Protein Signaling Proteins on Bone. Front Endocrinol (Lausanne) 2022; 13:842421. [PMID: 35573989 PMCID: PMC9098968 DOI: 10.3389/fendo.2022.842421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/01/2022] [Indexed: 01/08/2023] Open
Abstract
Regulator of G protein signaling (RGS) proteins are critical negative molecules of G protein-coupled receptor (GPCR) signaling, which mediates a variety of biological processes in bone homeostasis and diseases. The RGS proteins are divided into nine subfamilies with a conserved RGS domain which plays an important role in regulating the GTPase activity. Mutations of some RGS proteins change bone development and/or metabolism, causing osteopathy. In this review, we summarize the recent findings of RGS proteins in regulating osteoblasts, chondrocytes, and osteoclasts. We also highlight the impacts of RGS on bone development, bone remodeling, and bone-related diseases. Those studies demonstrate that RGS proteins might be potential drug targets for bone diseases.
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Affiliation(s)
- Gongsheng Yuan
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Shuying Yang
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
- The Penn Center for Musculoskeletal Disorders, Penn Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Center for Innovation and Precision Dentistry, Penn Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, United States
- *Correspondence: Shuying Yang,
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18
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Tao H, Li W, Zhang W, Yang C, Zhang C, Liang X, Yin J, Bai J, Ge G, Zhang H, Yang X, Li H, Xu Y, Hao Y, Liu Y, Geng D. Urolithin A suppresses RANKL-induced osteoclastogenesis and postmenopausal osteoporosis by, suppresses inflammation and downstream NF-κB activated pyroptosis pathways. Pharmacol Res 2021; 174:105967. [PMID: 34740817 DOI: 10.1016/j.phrs.2021.105967] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/29/2021] [Accepted: 10/29/2021] [Indexed: 12/19/2022]
Abstract
Osteoporosis (OP) is characterized by decreased trabecular bone volume and microarchitectural deterioration in the medullary cavity. Urolithin A (UA) is a biologically active metabolite generated by the gut microbiota. UA is the measurable product considered the most relevant urolithin as the final metabolic product of polyphenolic compounds. Considering that catabolic effects mediated by the intestinal microbiota are highly involved in pathological bone disorders, exploring the biological influence and molecular mechanisms by which UA alleviates OP is crucial. Our study aimed to investigate the effect of UA administration on OP progression in the context of estrogen deficiency-induced bone loss. The in vivo results indicated that UA effectively reduced ovariectomy-induced systemic bone loss. In vitro, UA suppressed Receptor Activator for Nuclear Factor-κB Ligand (RANKL)-triggered osteoclastogenesis in a concentration-dependent manner. Signal transduction studies and sequencing analysis showed that UA significantly decreased the expression of inflammatory cytokines (e.g., IL-6 and TNF-α) in osteoclasts. Additionally, attenuation of inflammatory signaling cascades inhibited the NF-κB-activated NOD-like receptor signaling pathway, which eventually led to decreased cytoplasmic secretion of IL-1β and IL-18 and reduced expression of pyroptosis markers (NLRP3, GSDMD, and caspase-1). Consistent with this finding, an NLRP3 inflammasome inhibitor (MCC950) was employed to treat OP, and modulation of pyroptosis was found to ameliorate osteoclastogenesis and bone loss in ovariectomized (OVX) mice, suggesting that UA suppressed osteoclast formation by regulating the inflammatory signal-dependent pyroptosis pathway. Conceivably, UA administration may be a safe and promising therapeutic strategy for osteoclast-related bone diseases such as OP.
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Affiliation(s)
- Huaqiang Tao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Wenming Li
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Wei Zhang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Chen Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Chun Zhang
- Anesthesiology Department, Suzhou Municipal Hospital (North District), Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangjj Road, Suzhou, Jiangsu 215006, China
| | - Xiaolong Liang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Juan Yin
- Department of Digestive Disease and Nutrition Research Center, Suzhou Municipal Hospital (North District), Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangjj Road, Suzhou, Jiangsu 215006, China
| | - Jiaxiang Bai
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Gaoran Ge
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Haifeng Zhang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Xing Yang
- Orthopedics and Sports Medicine Center, Suzhou Municipal Hospital (North District), Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangji Road, Suzhou, Jiangsu 215006, China
| | - Hongxia Li
- Department of Cardiology, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Yaozeng Xu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Yuefeng Hao
- Orthopedics and Sports Medicine Center, Suzhou Municipal Hospital (North District), Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangji Road, Suzhou, Jiangsu 215006, China
| | - Yu Liu
- Departments of Orthopaedics, Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi, Jiangsu 214062, China.
| | - Dechun Geng
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China.
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19
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Qin L, He T, Chen S, Yang D, Yi W, Cao H, Xiao G. Roles of mechanosensitive channel Piezo1/2 proteins in skeleton and other tissues. Bone Res 2021; 9:44. [PMID: 34667178 PMCID: PMC8526690 DOI: 10.1038/s41413-021-00168-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 06/16/2021] [Accepted: 07/08/2021] [Indexed: 12/12/2022] Open
Abstract
Mechanotransduction is a fundamental ability that allows living organisms to receive and respond to physical signals from both the external and internal environments. The mechanotransduction process requires a range of special proteins termed mechanotransducers to convert mechanical forces into biochemical signals in cells. The Piezo proteins are mechanically activated nonselective cation channels and the largest plasma membrane ion channels reported thus far. The regulation of two family members, Piezo1 and Piezo2, has been reported to have essential functions in mechanosensation and transduction in different organs and tissues. Recently, the predominant contributions of the Piezo family were reported to occur in the skeletal system, especially in bone development and mechano-stimulated bone homeostasis. Here we review current studies focused on the tissue-specific functions of Piezo1 and Piezo2 in various backgrounds with special highlights on their importance in regulating skeletal cell mechanotransduction. In this review, we emphasize the diverse functions of Piezo1 and Piezo2 and related signaling pathways in osteoblast lineage cells and chondrocytes. We also summarize our current understanding of Piezo channel structures and the key findings about PIEZO gene mutations in human diseases.
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Affiliation(s)
- Lei Qin
- Department of Orthopedics, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong, China
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Tailin He
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Sheng Chen
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, Guangdong, China
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Dazhi Yang
- Department of Orthopedics, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Weihong Yi
- Department of Orthopedics, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong, China.
| | - Huiling Cao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, Guangdong, China.
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, Guangdong, China.
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20
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Jiang L, Yang Q, Gao J, Yang J, He J, Xin H, Zhang X. BK Channel Deficiency in Osteoblasts Reduces Bone Formation via the Wnt/β-Catenin Pathway. Mol Cells 2021; 44:557-568. [PMID: 34385407 PMCID: PMC8424144 DOI: 10.14348/molcells.2021.0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 06/06/2021] [Accepted: 06/13/2021] [Indexed: 11/27/2022] Open
Abstract
Global knockout of the BK channel has been proven to affect bone formation; however, whether it directly affects osteoblast differentiation and the mechanism are elusive. In the current study, we further investigated the role of BK channels in bone development and explored whether BK channels impacted the differentiation and proliferation of osteoblasts via the canonical Wnt signaling pathway. Our findings demonstrated that knockout of Kcnma1 disrupted the osteogenesis of osteoblasts and inhibited the stabilization of β-catenin. Western blot analysis showed that the protein levels of Axin1 and USP7 increased when Kcnma1 was deficient. Together, this study confirmed that BK ablation decreased bone mass via the Wnt/β-catenin signaling pathway. Our findings also showed that USP7 might have the ability to stabilize the activity of Axin1, which would increase the degradation of β-catenin in osteoblasts.
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Affiliation(s)
- Lan Jiang
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
| | - Qianhong Yang
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
| | - Jianjun Gao
- Department of Bone Metabolism, Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Jiahong Yang
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
| | - Jiaqi He
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
| | - Hong Xin
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai 201204, China
| | - Xuemei Zhang
- Department of Pharmacology, School of Pharmacy & Minhang Hospital, Fudan University, Shanghai 201203, China
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