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Hao M, Xue L, Wen X, Sun L, Zhang L, Xing K, Hu X, Xu J, Xing D. Advancing bone regeneration: Unveiling the potential of 3D cell models in the evaluation of bone regenerative materials. Acta Biomater 2024; 183:1-29. [PMID: 38815683 DOI: 10.1016/j.actbio.2024.05.041] [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: 02/04/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Bone, a rigid yet regenerative tissue, has garnered extensive attention for its impressive healing abilities. Despite advancements in understanding bone repair and creating treatments for bone injuries, handling nonunions and large defects remains a major challenge in orthopedics. The rise of bone regenerative materials is transforming the approach to bone repair, offering innovative solutions for nonunions and significant defects, and thus reshaping orthopedic care. Evaluating these materials effectively is key to advancing bone tissue regeneration, especially in difficult healing scenarios, making it a critical research area. Traditional evaluation methods, including two-dimensional cell models and animal models, have limitations in predicting accurately. This has led to exploring alternative methods, like 3D cell models, which provide fresh perspectives for assessing bone materials' regenerative potential. This paper discusses various techniques for constructing 3D cell models, their pros and cons, and crucial factors to consider when using these models to evaluate bone regenerative materials. We also highlight the significance of 3D cell models in the in vitro assessments of these materials, discuss their current drawbacks and limitations, and suggest future research directions. STATEMENT OF SIGNIFICANCE: This work addresses the challenge of evaluating bone regenerative materials (BRMs) crucial for bone tissue engineering. It explores the emerging role of 3D cell models as superior alternatives to traditional methods for assessing these materials. By dissecting the construction, key factors of evaluating, advantages, limitations, and practical considerations of 3D cell models, the paper elucidates their significance in overcoming current evaluation method shortcomings. It highlights how these models offer a more physiologically relevant and ethically preferable platform for the precise assessment of BRMs. This contribution is particularly significant for "Acta Biomaterialia" readership, as it not only synthesizes current knowledge but also propels the discourse forward in the search for advanced solutions in bone tissue engineering and regeneration.
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Affiliation(s)
- Minglu Hao
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China.
| | - Linyuan Xue
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Xiaobo Wen
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Li Sun
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Lei Zhang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L3G1, Canada
| | - Kunyue Xing
- Alliance Manchester Business School, The University of Manchester, Manchester M139PL, UK
| | - Xiaokun Hu
- Department of Interventional Medical Center, Affiliated Hospital of Qingdao University, Qingdao 26600, China
| | - Jiazhen Xu
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China.
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China; School of Life Sciences, Tsinghua University, Beijing 100084, China.
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Wang Z, Wang R, Niu L, Zhou X, Han J, Li K. EPB41L4A-AS1 is required to maintain basal autophagy to modulates Aβ clearance. NPJ AGING 2024; 10:24. [PMID: 38704365 PMCID: PMC11069514 DOI: 10.1038/s41514-024-00152-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 04/22/2024] [Indexed: 05/06/2024]
Abstract
Alzheimer's disease (AD) is the most common neurodegenerative disorder characterized by the deposition of β-amyloid (Aβ) plaques. Aβ is generated from the cleavage of the amyloid precursor protein by β and γ-secretases and cleared by neuroglial cells mediated autophagy. The imbalance of the intracellular Aβ generation and clearance is the causative factor for AD pathogenesis. However, the exact underlying molecular mechanisms remain unclear. Our previous study reported that EPB41L4A-AS1 is an aging-related long non-coding RNA (lncRNA) that is repressed in patients with AD. In this study, we found that downregulated EPB41L4A-AS1 in AD inhibited neuroglial cells mediated-Aβ clearance by decreasing the expression levels of multiple autophagy-related genes. We found that EPB41L4A-AS1 regulates the expression of general control of amino acid synthesis 5-like 2, an important histone acetyltransferase, thus affecting histone acetylation, crotonylation, and lactylation near the transcription start site of autophagy-related genes, ultimately influencing their transcription. Collectively, this study reveals EPB41L4A-AS1 as an AD-related lncRNA via mediating Aβ clearance and provides insights into the epigenetic regulatory mechanism of EPB41L4A-AS1 in gene expression and AD pathogenesis.
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Affiliation(s)
- Ziqiang Wang
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China.
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China.
| | - Ruomei Wang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China
| | - Lixin Niu
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China
| | - Xiaoyan Zhou
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China
| | - Jinxiang Han
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China.
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China.
| | - Kun Li
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China.
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Yang Z, Xu J, Kang T, Chen X, Zhou C. The Impact of NLRP3 Inflammasome on Osteoblasts and Osteogenic Differentiation: A Literature Review. J Inflamm Res 2024; 17:2639-2653. [PMID: 38707958 PMCID: PMC11067939 DOI: 10.2147/jir.s457927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/24/2024] [Indexed: 05/07/2024] Open
Abstract
Osteoblasts (OBs), which are a crucial type of bone cells, derive from bone marrow mesenchymal stem cells (MSCs). Accumulating evidence suggests inflammatory cytokines can inhibit the differentiation and proliferation of OBs, as well as interfere with their ability to synthesize bone matrix, under inflammatory conditions. NLRP3 inflammasome is closely associated with cellular pyroptosis, which can lead to excessive release of pro-inflammatory cytokines, causing tissue damage and inflammatory responses, however, the comprehensive roles of NLRP3 inflammasome in OBs and their differentiation have not been fully elucidated, making targeting NLRP3 inflammasome approaches to treat diseases related to OBs uncertain. In this review, we provide a summary of NLRP3 inflammasome activation and its impact on OBs. We highlight the significant roles of NLRP3 inflammasome in regulating OBs differentiation and function. Furthermore, current available strategies to affect OBs function and osteogenic differentiation targeting NLRP3 inflammasome are listed and analyzed. Finally, through the prospective discussion, we seek to provide novel insights into the crucial role of NLRP3 inflammasome in diseases related to OBs and offer valuable information for devising treatment strategies.
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Affiliation(s)
- Ziyuan Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
- Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, People’s Republic of China
| | - Jiaan Xu
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, People’s Republic of China
| | - Ting Kang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
- Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, People’s Republic of China
| | - Xuepeng Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
- Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, People’s Republic of China
| | - Chengcong Zhou
- The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, 310053, People’s Republic of China
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Wang J, Zhao Z, Yang K, Bai Y. Research progress in cell therapy for oral diseases: focus on cell sources and strategies to optimize cell function. Front Bioeng Biotechnol 2024; 12:1340728. [PMID: 38515628 PMCID: PMC10955105 DOI: 10.3389/fbioe.2024.1340728] [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: 11/20/2023] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
In recent years, cell therapy has come to play an important therapeutic role in oral diseases. This paper reviews the active role of mesenchymal stem cells, immune cell sources, and other cells in oral disorders, and presents data supporting the role of cell therapy in oral disorders, including bone and tooth regeneration, oral mucosal disorders, oral soft tissue defects, salivary gland dysfunction, and orthodontic tooth movement. The paper will first review the progress of cell optimization strategies for oral diseases, including the use of hormones in combination with stem cells, gene-modified regulatory cells, epigenetic regulation of cells, drug regulation of cells, cell sheets/aggregates, cell-binding scaffold materials and hydrogels, nanotechnology, and 3D bioprinting of cells. In summary, we will focus on the therapeutic exploration of these different cell sources in oral diseases and the active application of the latest cell optimization strategies.
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Affiliation(s)
| | | | | | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
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Li X, Zeng S, Chen L, Zhang Y, Li X, Zhang B, Su D, Du Q, Zhang J, Wang H, Zhong Z, Zhang J, Li P, Jiang A, Long K, Li M, Ge L. An intronic enhancer of Cebpa regulates adipocyte differentiation and adipose tissue development via long-range loop formation. Cell Prolif 2024; 57:e13552. [PMID: 37905345 PMCID: PMC10905358 DOI: 10.1111/cpr.13552] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 08/29/2023] [Accepted: 09/11/2023] [Indexed: 11/02/2023] Open
Abstract
Cebpa is a master transcription factor gene for adipogenesis. However, the mechanisms of enhancer-promoter chromatin interactions controlling Cebpa transcriptional regulation during adipogenic differentiation remain largely unknown. To reveal how the three-dimensional structure of Cebpa changes during adipogenesis, we generated high-resolution chromatin interactions of Cebpa in 3T3-L1 preadipocytes and 3T3-L1 adipocytes using circularized chromosome conformation capture sequencing (4C-seq). We revealed dramatic changes in chromatin interactions and chromatin status at interaction sites during adipogenic differentiation. Based on this, we identified five active enhancers of Cebpa in 3T3-L1 adipocytes through epigenomic data and luciferase reporter assays. Next, epigenetic repression of Cebpa-L1-AD-En2 or -En3 by the dCas9-KRAB system significantly down-regulated Cebpa expression and inhibited adipocyte differentiation. Furthermore, experimental depletion of cohesin decreased the interaction intensity between Cebpa-L1-AD-En2 and the Cebpa promoter and down-regulated Cebpa expression, indicating that long-range chromatin loop formation was mediated by cohesin. Two transcription factors, RXRA and PPARG, synergistically regulate the activity of Cebpa-L1-AD-En2. To test whether Cebpa-L1-AD-En2 plays a role in adipose tissue development, we injected dCas9-KRAB-En2 lentivirus into the inguinal white adipose tissue (iWAT) of mice to suppress the activity of Cebpa-L1-AD-En2. Repression of Cebpa-L1-AD-En2 significantly decreased Cebpa expression and adipocyte size, altered iWAT transcriptome, and affected iWAT development. We identified functional enhancers regulating Cebpa expression and clarified the crucial roles of Cebpa-L1-AD-En2 and Cebpa promoter interaction in adipocyte differentiation and adipose tissue development.
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Affiliation(s)
- Xiaokai Li
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Sha Zeng
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Li Chen
- Chongqing Academy of Animal SciencesChongqingChina
- National Center of Technology Innovation for PigsChongqingChina
- Key Laboratory of Pig Industry ScienceMinistry of AgricultureChongqingChina
| | - Yu Zhang
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Xuemin Li
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Biwei Zhang
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Duo Su
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Qinjiao Du
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Jiaman Zhang
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Haoming Wang
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Zhining Zhong
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Jinwei Zhang
- Chongqing Academy of Animal SciencesChongqingChina
- National Center of Technology Innovation for PigsChongqingChina
- Key Laboratory of Pig Industry ScienceMinistry of AgricultureChongqingChina
| | - Penghao Li
- Jinxin Research Institute for Reproductive Medicine and GeneticsSichuan Jinxin Xi'nan Women's and Children's HospitalChengduChina
| | - Anan Jiang
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Keren Long
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
- Chongqing Academy of Animal SciencesChongqingChina
| | - Mingzhou Li
- State Key Laboratory of Swine and Poultry Breeding IndustrySichuan Agricultural UniversityChengduChina
- Livestock and Poultry Multi‐omics Key Laboratory of Ministry of Agriculture and Rural Affairs, College of Animal Science and TechnologySichuan Agricultural UniversityChengduChina
| | - Liangpeng Ge
- Chongqing Academy of Animal SciencesChongqingChina
- National Center of Technology Innovation for PigsChongqingChina
- Key Laboratory of Pig Industry ScienceMinistry of AgricultureChongqingChina
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Yan Y, Yan H, Qiu Z, Long L. Mechanism of KDM5A-mediated H3K4me3 modification in the osteogenic differentiation of mesenchymal stem cells in steroid-induced osteonecrosis of the femoral head. Int J Rheum Dis 2024; 27:e15090. [PMID: 38443978 DOI: 10.1111/1756-185x.15090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/26/2024] [Accepted: 02/06/2024] [Indexed: 03/07/2024]
Abstract
OBJECTIVES Steroid-induced osteonecrosis of the femoral head (SONFH) is characterized by impaired osteogenesis in bone marrow mesenchymal stem cells (BMSCs). This study investigates the role of lysine-specific demethylase 5A (KDM5A) in SONFH to identify potential therapeutic targets. METHODS Human BMSCs were isolated and characterized for cell surface markers and differentiation capacity. A SONFH cell model was established using dexamethasone treatment. BMSCs were transfected with KDM5A overexpression vectors or si-KDM5A, and the expression of KDM5A, miR-107, runt-related transcription factor 2 (RUNX2), osteocalcin (OCN), and osteopontin (OPN) was assessed. Alizarin red staining was used to observe mineralization nodules, while alkaline phosphatase activity and cell viability were measured. The enrichment of KDM5A and histone 3 lysine 4 trimethylation (H3K4me3) on the promoters of RUNX2, OCN, and OPN was analyzed. The binding between miR-107 and KDM5A 3'UTR was validated, and the combined effect of miR-107 overexpression and KDM5A overexpression on BMSC osteogenic differentiation was evaluated. RESULTS KDM5A was upregulated in BMSCs from SONFH. Inhibition of KDM5A promoted osteogenic differentiation of BMSCs, associated with increased RUNX2, OCN, and OPN promoters. KDM5A bound to the promoters of RUNX2, OCN, and OPN, leading to reduced H3K4me3 levels and downregulation of their expression. Overexpression of miR-107 inhibited KDM5A and enhanced BMSC osteogenic differentiation. CONCLUSION KDM5A negatively regulates BMSC osteogenic differentiation by modulating H3K4me3 levels on the promoters of key osteogenic genes. miR-107 overexpression counteracts the inhibitory effect of KDM5A on osteogenic differentiation. These findings highlight the potential of targeting the KDM5A/miR-107 axis for SONFH therapy.
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Affiliation(s)
- Yi Yan
- Department of Orthopedics, Xiangtan Central Hospital, Xiangtan, China
| | - Hao Yan
- Department of Adult Emergency, Boai Hospital, Zhongshan, China
| | - Zhilong Qiu
- Department of Orthopedics, Xiangtan Central Hospital, Xiangtan, China
| | - Liang Long
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, China
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Walewska A, Janucik A, Tynecka M, Moniuszko M, Eljaszewicz A. Mesenchymal stem cells under epigenetic control - the role of epigenetic machinery in fate decision and functional properties. Cell Death Dis 2023; 14:720. [PMID: 37932257 PMCID: PMC10628230 DOI: 10.1038/s41419-023-06239-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 10/12/2023] [Accepted: 10/20/2023] [Indexed: 11/08/2023]
Abstract
Mesenchymal stem cells (mesenchymal stromal cells, MSC) are multipotent stem cells that can differentiate into cells of at least three mesodermal lineages, namely adipocytes, osteoblasts, and chondrocytes, and have potent immunomodulatory properties. Epigenetic modifications are critical regulators of gene expression and cellular differentiation of mesenchymal stem cells (MSCs). Epigenetic machinery controls MSC differentiation through direct modifications to DNA and histones. Understanding the role of epigenetic machinery in MSC is crucial for the development of effective cell-based therapies for degenerative and inflammatory diseases. In this review, we summarize the current understanding of the role of epigenetic control of MSC differentiation and immunomodulatory properties.
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Affiliation(s)
- Alicja Walewska
- Centre of Regenerative Medicine, Medical University of Bialystok, ul. Waszyngtona 15B, 15-269, Bialystok, Poland
| | - Adrian Janucik
- Centre of Regenerative Medicine, Medical University of Bialystok, ul. Waszyngtona 15B, 15-269, Bialystok, Poland
| | - Marlena Tynecka
- Centre of Regenerative Medicine, Medical University of Bialystok, ul. Waszyngtona 15B, 15-269, Bialystok, Poland
| | - Marcin Moniuszko
- Centre of Regenerative Medicine, Medical University of Bialystok, ul. Waszyngtona 15B, 15-269, Bialystok, Poland
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, ul. Waszyngtona 13, 15-269, Bialystok, Poland
- Department of Allergology and Internal Medicine, Medical University of Bialystok, ul. M. Sklodowskiej-Curie 24A, 15-276, Bialystok, Poland
| | - Andrzej Eljaszewicz
- Centre of Regenerative Medicine, Medical University of Bialystok, ul. Waszyngtona 15B, 15-269, Bialystok, Poland.
- Tissue and Cell Bank, Medical University of Bialystok Clinical Hospital, ul. Waszyngtona 13, 15-069, Bialystok, Poland.
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8
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Jiang H, Li G. Transcription factors direct epigenetic reprogramming at specific loci in human cancers. Front Genet 2023; 14:1234515. [PMID: 37876590 PMCID: PMC10591108 DOI: 10.3389/fgene.2023.1234515] [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: 06/04/2023] [Accepted: 09/21/2023] [Indexed: 10/26/2023] Open
Abstract
The characterization of epigenetic changes during cancer development and progression led to notable insights regarding the roles of cancer-specific epigenetic reprogramming. Recent studies showed that transcription factors (TFs) are capable to regulate epigenetic reprogramming at specific loci in different cancer types through their DNA-binding activities. However, the causal association of dynamic histone modification change mediated by TFs is still not well elucidated. Here we evaluated the impacts of 636 transcription factor binding activities on histone modification in 24 cancer types. We performed Instrumental Variables analysis by using genetic lesions of TFs as our instrumental proxies, which previously discovered to be associated with histone mark activities. As a result, we showed a total of 6 EpiTFs as strong directors of epigenetic reprogramming of histone modification in cancers, which alters the molecular and clinical phenotypes of cancer. Together our findings highlight a causal mechanism driven by the TFs and genome-wide histone modification, which is relevant to multiple status of oncogenesis.
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Affiliation(s)
| | - Guoxin Li
- Department of General Surgery, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
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Xie Y, Chen S, Guo Z, Tian Y, Hong X, Feng P, Xie Q, Yu Q. Down-regulation of Lon protease 1 lysine crotonylation aggravates mitochondrial dysfunction in polycystic ovary syndrome. MedComm (Beijing) 2023; 4:e396. [PMID: 37817894 PMCID: PMC10560969 DOI: 10.1002/mco2.396] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 09/05/2023] [Accepted: 09/11/2023] [Indexed: 10/12/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is a prevalent reproductive endocrine disorder, with metabolic abnormalities and ovulation disorders. The post-translational modifications (PTMs) are functionally relevant and strengthen the link between metabolism and cellular functions. Lysine crotonylation is a newly identified PTM, the function of which in PCOS has not yet been reported. To explore the molecular mechanisms of crotonylation involved in the abnormalities of metabolic homeostasis and oocyte maturation in PCOS, by using liquid chromatography-tandem mass spectrometry analysis, we constructed a comprehensive map of crotonylation modifications in ovarian tissue of PCOS-like mouse model established by dehydroepiandrosterone induction. The crotonylation levels of proteins involved in metabolic processes were significantly decreased in PCOS ovaries compared to control samples. Further investigation showed that decrotonylation of Lon protease 1 (LONP1) at lysine 390 was associated with mitochondrial dysfunction in PCOS. Moreover, LONP1 crotonylation levels in PCOS were correlated with ovarian tissue oxidative stress levels, androgen levels, and oocyte development. Consistently, down-regulation of LONP1 and LONP1 crotonylation levels were also observed in the blood samples of PCOS patients. Collectively, our study revealed a mechanism by which the decrotonylation of LONP1 may attenuate its activity and alter follicular microenvironment to affect oocyte maturation in PCOS.
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Affiliation(s)
- Yuan Xie
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Shuwen Chen
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Zaixin Guo
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Ying Tian
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Xinyu Hong
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Penghui Feng
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
| | - Qiu Xie
- Department of Medical Research CenterState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Qi Yu
- Department of Obstetrics and GynecologyNational Clinical Research Center for Obstetric & Gynecologic DiseasesState Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegePeking Union Medical College Hospital (Dongdan Campus)BeijingChina
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Li JY, Wang TT, Ma L, Zheng LL. CARM1 deficiency inhibits osteoblastic differentiation of bone marrow mesenchymal stem cells and delays osteogenesis in mice. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119544. [PMID: 37468072 DOI: 10.1016/j.bbamcr.2023.119544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023]
Abstract
Bone repair remains a clinical challenge due to low osteogenic capacity. Coactivator associated arginine methyltransferase 1 (CARM1) is a protein arginine methyltransferase that mediates arginine methylation and endochondral ossification. However, the roles of CARM1 in osteoblastic differentiation and bone remodeling have not been explored. In our study, heterozygous CARM1-knockout (KO) mice were generated using the CRISPR-Cas9 system and a model of femoral defect was created. At day 7 postsurgery, CARM1-KO mice exhibited obvious bone loss compared with wild type (WT) mice, as evidenced by reduced bone mineral density (BMD), bone volume/total volume (BV/TV), trabecular thickness (Tb.Th), and trabecular number (Tb.N), and increased trabecular separation (Tb.Sp). Deletion of CARM1 in mice lowered synthesis and accumulation of collagen at the injury sites. The alkaline phosphatase (ALP) activity and osteogenic-related gene expression were declined in CARM1-KO mice. To further understand the role of CARM1 in osteoblastic differentiation, bone marrow mesenchymal stem cells (BMSCs) were isolated from the tibia and femur of WT or CARM1-KO mice. CARM1 deletion decreased histone arginine methylation and inhibited osteoblastic differentiation and mineralization. The mRNA sequencing of CARM1-KO BMSCs revealed the possible regulatory molecules by CARM1, which could deepen our understanding of CARM1 regulatory mechanisms. These data could be of interest to basic researchers and provide the direction for future research into bone-related disorders.
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Affiliation(s)
- Jing-Yi Li
- Department of Medical Cosmetology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.
| | - Ting-Ting Wang
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Li Ma
- Department of Plastic Surgery, China-Japan Friendship Hospital, Beijing 100029, China
| | - Li-Li Zheng
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
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Prideaux M, Smargiassi A, Peng G, Brotto M, Robling AG, Bonewald LF. L-BAIBA Synergizes with Sub-Optimal Mechanical Loading to Promote New Bone Formation. JBMR Plus 2023; 7:e10746. [PMID: 37283651 PMCID: PMC10241089 DOI: 10.1002/jbm4.10746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/21/2023] [Accepted: 03/28/2023] [Indexed: 06/08/2023] Open
Abstract
The L-enantiomer of β-aminoisobutyric acid (BAIBA) is secreted by contracted muscle in mice, and exercise increases serum levels in humans. In mice, L-BAIBA reduces bone loss with unloading, but whether it can have a positive effect with loading is unknown. Since synergism can be more easily observed with sub-optimal amounts of factors/stimulation, we sought to determine whether L-BAIBA could potentiate the effects of sub-optimal loading to enhance bone formation. L-BAIBA was provided in drinking water to C57Bl/6 male mice subjected to either 7 N or 8.25 N of sub-optimal unilateral tibial loading for 2 weeks. The combination of 8.25 N and L-BAIBA significantly increased the periosteal mineral apposition rate and bone formation rate compared to loading alone or BAIBA alone. Though L-BAIBA alone had no effect on bone formation, grip strength was increased, suggesting a positive effect on muscle function. Gene expression analysis of the osteocyte-enriched bone showed that the combination of L-BAIBA and 8.25 N induced the expression of loading-responsive genes such as Wnt1, Wnt10b, and the TGFb and BMP signaling pathways. One dramatic change was the downregulation of histone genes in response to sub-optimal loading and/or L-BAIBA. To determine early gene expression, the osteocyte fraction was harvested within 24 hours of loading. A dramatic effect was observed with L-BAIBA and 8.25 N loading as genes were enriched for pathways regulating the extracellular matrix (Chad, Acan, Col9a2), ion channel activity (Scn4b, Scn7a, Cacna1i), and lipid metabolism (Plin1, Plin4, Cidec). Few changes in gene expression were observed with sub-optimal loading or L-BAIBA alone after 24 hours. These results suggest that these signaling pathways are responsible for the synergistic effects between L-BAIBA and sub-optimal loading. Showing that a small muscle factor can enhance the effects of sub-optimal loading of bone may be of relevance for individuals unable to benefit from optimal exercise. © 2023 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Matt Prideaux
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of MedicineIndiana UniversityIndianapolisINUSA
| | - Alberto Smargiassi
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of MedicineIndiana UniversityIndianapolisINUSA
| | - Gang Peng
- Indiana Center for Musculoskeletal Health, Department of Medicine and Molecular Genetics, School of MedicineIndiana UniversityIndianapolisINUSA
| | - Marco Brotto
- Bone‐Muscle Research Center, College of Nursing and Health InnovationUniversity of Texas‐ArlingtonArlingtonTXUSA
| | - Alexander G Robling
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of MedicineIndiana UniversityIndianapolisINUSA
| | - Lynda F Bonewald
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of MedicineIndiana UniversityIndianapolisINUSA
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12
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Li K, Wang Z. lncRNA NEAT1: Key player in neurodegenerative diseases. Ageing Res Rev 2023; 86:101878. [PMID: 36738893 DOI: 10.1016/j.arr.2023.101878] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 01/09/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
Neurodegenerative diseases are the most common causes of disability worldwide. Given their high prevalence, devastating symptoms, and lack of definitive diagnostic tests, there is an urgent need to identify potential biomarkers and new therapeutic targets. Long non-coding RNAs (lncRNAs) have recently emerged as powerful regulatory molecules in neurodegenerative diseases. Among them, lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1) has been reported to be upregulated in Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and amyotrophic lateral sclerosis (ALS). However, whether this is part of a protective or harmful mechanism is still unclear. This review summarizes our current knowledge of the role of NEAT1 in neurodegenerative diseases and its association with the characteristic aggregation of misfolded proteins: amyloid-β and tau in AD, α-synuclein in PD, mutant huntingtin in HD, and TAR DNA-binding protein-43 fused in sarcoma/translocated in liposarcoma in ALS. The aim of this review is to stimulate further research on more precise and effective treatments for neurodegenerative diseases.
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Affiliation(s)
- Kun Li
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan 250014, China
| | - Ziqiang Wang
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan 250014, China; Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250062, China.
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13
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Yao J, Li G, Cui Z, Chen P, Wang J, Hu Z, Zhang L, Wei L. The Histone Deacetylase Inhibitor I1 Induces Differentiation of Acute Leukemia Cells With MLL Gene Rearrangements via Epigenetic Modification. Front Pharmacol 2022; 13:876076. [PMID: 35571127 PMCID: PMC9091196 DOI: 10.3389/fphar.2022.876076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/02/2022] [Indexed: 12/19/2022] Open
Abstract
Acute leukemia (AL) is characterized by excessive proliferation and impaired differentiation of leukemic cells. AL includes acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). Previous studies have demonstrated that about 10% of AML and 22% of ALL are mixed lineage leukemia gene rearrangements (MLLr) leukemia. The prognosis of MLLr leukemia is poor and new therapeutics are urgently needed. Differentiation therapy with all-trans-retinoic acid (ATRA) has prolonged the 5-years disease-free survival rate in acute promyelocytic leukemia (APL), a subtype of AML. However, the differentiation therapy has not been effective in other acute leukemia. Here, we aim to explore the cell differentiation effect of the potent HDACs inhibitor, I1, and the possible mechanism on the MLLr-AML and MLLr-ALL cells (MOLM-13, THP-1, MV4-11 and SEM). It is shown that I1 can significantly inhibit the proliferation and the colony-forming ability of MOLM-13, THP-1, MV4-11 and SEM cells by promoting cell differentiation coupled with cell cycle block at G0/G1 phase. We show that the anti-proliferative effect of I1 attributed to cell differentiation is most likely associated with the HDAC inhibition activity, as assessed by the acetylation of histone H3 and H4, which may dictates the activation of hematopoietic cell lineage pathway in both MOLM-13 and THP-1 cell lines. Moreover, the activity of HDAC inhibition of I1 is stronger than that of SAHA in MOLM-13 and THP-1 cells. Our findings suggest that I1, as a chromatin-remodeling agent, could be a potent epigenetic drug to overcome differentiation block in MLLr-AL patients and would be promising for the treatment of AL.
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Affiliation(s)
- Jingfang Yao
- Laboratory for Stem Cell and Regenerative Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China.,School of Pharmacy, Weifang Medical University, Weifang, China
| | - Gentao Li
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Zihui Cui
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Peilei Chen
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Jinhong Wang
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Zhenbo Hu
- Laboratory for Stem Cell and Regenerative Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Lei Zhang
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Liuya Wei
- School of Pharmacy, Weifang Medical University, Weifang, China
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Human Sex Matters: Y-Linked Lysine Demethylase 5D Drives Accelerated Male Craniofacial Osteogenic Differentiation. Cells 2022; 11:cells11050823. [PMID: 35269444 PMCID: PMC8909072 DOI: 10.3390/cells11050823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/16/2022] [Accepted: 02/24/2022] [Indexed: 12/12/2022] Open
Abstract
Female sex is increasingly associated with a loss of bone mass during aging and an increased risk of developing nonunion fractures. Hormonal factors and cell-intrinsic mechanisms are suggested to drive these sexual dimorphisms, although underlying molecular mechanisms are still a matter of debate. Here, we observed a decreased capacity of calvarial bone recovery in female rats and a profound sexually dimorphic osteogenic differentiation in human adult neural crest-derived stem cells (NCSCs). Next to an elevated expression of pro-osteogenic regulators, global transcriptomics revealed Lysine Demethylase 5D (KDM5D) to be highly upregulated in differentiating male NCSCs. Loss of function by siRNA or pharmacological inhibition of KDM5D significantly reduced the osteogenic differentiation capacity of male NCSCs. In summary, we demonstrated craniofacial osteogenic differentiation to be sexually dimorphic with the expression of KDM5D as a prerequisite for accelerated male osteogenic differentiation, emphasizing the analysis of sex-specific differences as a crucial parameter for treating bone defects.
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Speckles and paraspeckles coordinate to regulate HSV-1 genes transcription. Commun Biol 2021; 4:1207. [PMID: 34675360 PMCID: PMC8531360 DOI: 10.1038/s42003-021-02742-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 10/04/2021] [Indexed: 12/14/2022] Open
Abstract
Numbers of nuclear speckles and paraspeckles components have been demonstrated to regulate herpes simplex virus 1 (HSV-1) replication. However, how HSV-1 infection affects the two nuclear bodies, and whether this influence facilitates the expression of viral genes, remains elusive. In the current study, we found that HSV-1 infection leads to a redistribution of speckles and paraspeckles components. Serine/arginine-rich splicing factor 2 (SRSF2), the core component of speckles, was associated with multiple paraspeckles components, including nuclear paraspeckles assembly transcript 1 (NEAT1), PSPC1, and P54nrb, in HSV-1 infected cells. This association coordinates the transcription of viral genes by binding to the promoters of these genes. By association with the enhancer of zeste homolog 2 (EZH2) and P300/CBP complex, NEAT1 and SRSF2 influenced the histone modifications located near viral genes. This study elucidates the interplay between speckles and paraspeckles following HSV-1 infection and provides insight into the mechanisms by which HSV-1 utilizes host cellular nuclear bodies to facilitate its life cycle. Li & Wang report that components of nuclear speckles and paraspeckles are redistributed upon HSV-1 infection. They show that the association of Serine/arginine-rich splicing factor 2 (SRSF2) with nuclear paraspeckles assembly transcript 1 (NEAT1) coordinates the transcription of viral genes
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Wang Z, Zhang S, Li K. LncRNA NEAT1 induces autophagy through epigenetic regulation of autophagy-related gene expression in neuroglial cells. J Cell Physiol 2021; 237:824-832. [PMID: 34402054 DOI: 10.1002/jcp.30556] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 07/28/2021] [Accepted: 08/03/2021] [Indexed: 01/30/2023]
Abstract
Endocytosis and autophagy are two important pathways for amyloid-β (Aβ) clearance in neuroglial cells. Our previous study demonstrated that nuclear paraspeckle assembly transcript 1 (NEAT1) long noncoding RNA modulates Aβ clearance mediated by neuroglial cells via the epigenetic regulation of endocytosis-related genes. Herein, we demonstrate that NEAT1 functions as an autophagy inducer by modulating the expression of multiple autophagy-related genes, including autophagy-related 5 (atg5), autophagy-related 3 (atg3), and beclin1. NEAT1 can promote transcription of these genes by altering histone modification near these transcriptional start sites of the genes and thereby influencing the recruitment of signal transducer and activator of transcription 3 to these gene promoters. Our findings demonstrate a new cellular function of NEAT1 in neuroglial cells and suggest a potential therapeutic target for the treatment of autophagy-related diseases.
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Affiliation(s)
- Ziqiang Wang
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China.,Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Shikuan Zhang
- School of Life Sciences, Tsinghua University, Beijing, China.,China State Key Laboratory of Chemical Oncogenomics, Tsinghua Shenzhen International Graduate School, Shenzhen, China.,Key Lab in Healthy Science and Technology of Shenzhen, Tsinghua Shenzhen International Graduate School, Shenzhen, China
| | - Kun Li
- Department of Nuclear Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
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