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Zhang S, Shang J, Gu Z, Gu X, Wang F, Hu X, Wu G, Zou H, Ruan J, He X, Bao C, Zhang Z, Li X, Chen H. Global research trends and hotspots on tendon-derived stem cell: a bibliometric visualization study. Front Bioeng Biotechnol 2024; 11:1327027. [PMID: 38260747 PMCID: PMC10801434 DOI: 10.3389/fbioe.2023.1327027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/11/2023] [Indexed: 01/24/2024] Open
Abstract
Purpose: This study was aimed to examine the global research status and current research hotspots in the field of tendon stem cells. Methods: Bibliometric methods were employed to retrieve relevant data from the Web of Science Core Collection (WOSCC) database. Additionally, Citespace, Vosviewer, SCImago, and Graphad Prism were utilized to analyze the publication status in this field, identify the current research hotspots, and present a mini-review. Results: The most active countries in this field were China and the United States. Notable authors contributing significantly to this research included Lui Pauline Po Yee, Tang Kanglai, Zhang Jianying, Yin Zi, and Chen Xiao, predominantly affiliated with institutions such as the Hong Kong Hospital Authority, Third Military Medical University, University of Pittsburgh, and Zhejiang University. The most commonly published journals in this field were Stem Cells International, Journal of Orthopedic Research, and Stem Cell Research and Therapy. Moreover, the current research hotspots primarily revolved around scaffolds, molecular mechanisms, and inflammation regulation. Conclusion: Tendon stem cells hold significant potential as seed cells for tendon tissue engineering and offer promising avenues for further research Scaffolds, molecular mechanisms and inflammation regulation are currently research hotspots in this field.
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Affiliation(s)
- Songou Zhang
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Jinxiang Shang
- Department of Orthopedics, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang, China
| | - Zhiqian Gu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Xiaopeng Gu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Fei Wang
- Department of Orthopedics, Shaoxing People’s Hospital, Shaoxing, Zhejiang, China
| | - Xujun Hu
- Department of Orthopedics, Shaoxing People’s Hospital, Shaoxing, Zhejiang, China
| | - Guoliang Wu
- Department of Clinical Medicine, Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Huan Zou
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Jian Ruan
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Xinkun He
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - Chenzhou Bao
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
| | - ZhenYu Zhang
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang, China
| | - Xin Li
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang, China
| | - Hong Chen
- Department of Orthopedics, Ningbo Sixth Hospital, Ningbo, Zhejiang, China
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Yang G, Chen F, Zhang C, Gu C. Circ_0005736 promotes tenogenic differentiation of tendon-derived stem cells through the miR-636/MAPK1 axis. J Orthop Surg Res 2023; 18:660. [PMID: 37670347 PMCID: PMC10481470 DOI: 10.1186/s13018-023-04115-7] [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: 06/05/2023] [Accepted: 08/19/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Tendon-derived stem cells (TDSCs) are one of stem cells characterized by greater clonogenicity, tenogenesis, and proliferation capacity. Circ_0005736 has been shown to be decreased in Rotator cuff tendinopathy. Here, we investigated the function and relationship of circ_0005736 in TDSC tenogenic differentiation. METHODS Transforming growth factor β1 (TGF-β1) was used to induce the tenogenic differentiation in TDSC. Cell proliferation, invasion and migration were evaluated by Cell Counting Kit-8, 5-Ethynyl-2'-deoxyuridine, transwell, and wound healing assays, respectively. The detection of the levels of genes and proteins was performed by qRT-PCR and Western blot. The binding between miR-636 and circ_0005736 or MAPK1 (Mitogen-Activated Protein Kinase 1) was verified using dual-luciferase reporter assay and RIP assays. RESULTS TGF-β1 induced tenogenic differentiation by enhancing the production of tendon-specific markers and TDSC proliferation, invasion and migration. TGF-β1 treatment promoted circ_0005736 expression, knockdown of circ_0005736 abolished TGF-β1-induced tenogenic differentiation in TDSCs. Mechanistically, circ_0005736 acted as a sponge for miR-636 to up-regulate the expression of MAPK1, which was confirmed to be a target of miR-636 in TDSCs. Further rescue assays showed that inhibition of miR-636 could rescue circ_0005736 knockdown-induced suppression on TGF-β1-caused tenogenic differentiation in TDSCs. Moreover, forced expression of miR-636 abolished TGF-β1-caused tenogenic differentiation in TDSCs, which was rescued by MAPK1 up-regulation. CONCLUSION Circ_0005736 enhanced TGF-β1-induced tenogenic differentiation in TDSCs via increasing the production of tendon-specific markers and TDSC proliferation, invasion and migration through miR-636/MAPK1 axis.
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Affiliation(s)
- Guangzhao Yang
- Department of Sports, Communication University of China, Nanjing, No.26, Pengshan Road, Jiangning District, Nanjing, 211172, China.
| | - Fei Chen
- Department of Sports, Communication University of China, Nanjing, No.26, Pengshan Road, Jiangning District, Nanjing, 211172, China
| | - Chunyan Zhang
- Department of Sports, Communication University of China, Nanjing, No.26, Pengshan Road, Jiangning District, Nanjing, 211172, China
| | - Chenlin Gu
- Faculty of Cultural Management, Communication University of China, Nanjing, Nanjing, China
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Hosaka T, Tsuji H, Kwak S. Roles of Aging, Circular RNAs, and RNA Editing in the Pathogenesis of Amyotrophic Lateral Sclerosis: Potential Biomarkers and Therapeutic Targets. Cells 2023; 12:1443. [PMID: 37408276 DOI: 10.3390/cells12101443] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 07/07/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is an incurable motor neuron disease caused by upper and lower motor neuron death. Despite advances in our understanding of ALS pathogenesis, effective treatment for this fatal disease remains elusive. As aging is a major risk factor for ALS, age-related molecular changes may provide clues for the development of new therapeutic strategies. Dysregulation of age-dependent RNA metabolism plays a pivotal role in the pathogenesis of ALS. In addition, failure of RNA editing at the glutamine/arginine (Q/R) site of GluA2 mRNA causes excitotoxicity due to excessive Ca2+ influx through Ca2+-permeable α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors, which is recognized as an underlying mechanism of motor neuron death in ALS. Circular RNAs (circRNAs), a circular form of cognate RNA generated by back-splicing, are abundant in the brain and accumulate with age. Hence, they are assumed to play a role in neurodegeneration. Emerging evidence has demonstrated that age-related dysregulation of RNA editing and changes in circRNA expression are involved in ALS pathogenesis. Herein, we review the potential associations between age-dependent changes in circRNAs and RNA editing, and discuss the possibility of developing new therapies and biomarkers for ALS based on age-related changes in circRNAs and dysregulation of RNA editing.
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Affiliation(s)
- Takashi Hosaka
- Department of Neurology, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan
- University of Tsukuba Hospital/Jichi Medical University Joint Ibaraki Western Regional Clinical Education Center, Chikusei 308-0813, Japan
- Department of Internal Medicine, Ibaraki Western Medical Center, Chikusei 308-0813, Japan
| | - Hiroshi Tsuji
- Department of Neurology, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan
| | - Shin Kwak
- Department of Neurology, Tokyo Medical University, Tokyo 160-0023, Japan
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4
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Tang H, Xiong Q, Yin M, Feng H, Yao F, Xiao X, Hu F, Liao Y. LncRNA PVT1 delays skin photoaging by sequestering miR-551b-3p to release AQP3 expression via ceRNA mechanism. Apoptosis 2023; 28:912-924. [PMID: 37000315 DOI: 10.1007/s10495-023-01834-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/17/2023] [Indexed: 04/01/2023]
Abstract
Understanding human skin photoaging requires in-depth knowledge of the molecular and functional mechanisms. Human dermal fibroblasts (HDFs) gradually lose their ability to produce collagen and renew intercellular matrix with aging. Therefore, our study aims to reveal the mechanistic actions of a novel ceRNA network in the skin photoaging by regulating HDF activities. Photoaging-related genes were obtained in silico, followed by GO and KEGG enrichment analyses. Differentially expressed lncRNAs and miRNAs were screened from the GEO database to construct the ceRNA co-expression network. In skin photoaging samples, PVT1 and AQP3 were poorly expressed, while miR-551b-3p was highly expressed. The relationships among the lncRNA, miRNA and mRNA were explored through the ENCORI database and dual luciferase reporter assay. Mechanistically, PVT1 could sequester miR-551b-3p to upregulate the expression of AQP3, which further inactivated the ERK/p38 MAPK signaling pathway. HDFs were selected to construct an in vitro cell skin photoaging model, where the senescence, cell cycle distribution and viability of young and senescent HDFs were detected by SA-β-gal staining, flow cytometry and CCK-8 assay. In vitro cell experiments confirmed that overexpression of PVT1 or AQP3 enhanced viability of young and senescent HDFs and inhibited HDF senescence, while miR-551b-3p upregulation counteracted the effect of PVT1. In conclusion, PVT1-driven suppression of miR-551b-3p induces AQP3 expression to inactivate the ERK/p38 MAPK signaling pathway, thereby inhibiting HDF senescence and ultimately delaying the skin photoaging.
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Affiliation(s)
- Hua Tang
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Qi Xiong
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Ming Yin
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Hao Feng
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Fang Yao
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Xiao Xiao
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Feng Hu
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China
| | - Yangying Liao
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), No. 61, Jiefang West Road, Furong District, Changsha, 410000, Hunan Province, P. R. China.
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Xie S, Choudhari S, Wu CL, Abramson K, Corcoran D, Gregory SG, Thimmapuram J, Guilak F, Little D. Aging and obesity prime the methylome and transcriptome of adipose stem cells for disease and dysfunction. FASEB J 2023; 37:e22785. [PMID: 36794668 PMCID: PMC10561192 DOI: 10.1096/fj.202201413r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/20/2022] [Accepted: 01/09/2023] [Indexed: 02/17/2023]
Abstract
The epigenome of stem cells occupies a critical interface between genes and environment, serving to regulate expression through modification by intrinsic and extrinsic factors. We hypothesized that aging and obesity, which represent major risk factors for a variety of diseases, synergistically modify the epigenome of adult adipose stem cells (ASCs). Using integrated RNA- and targeted bisulfite-sequencing in murine ASCs from lean and obese mice at 5- and 12-months of age, we identified global DNA hypomethylation with either aging or obesity, and a synergistic effect of aging combined with obesity. The transcriptome of ASCs in lean mice was relatively stable to the effects of age, but this was not true in obese mice. Functional pathway analyses identified a subset of genes with critical roles in progenitors and in diseases of obesity and aging. Specifically, Mapt, Nr3c2, App, and Ctnnb1 emerged as potential hypomethylated upstream regulators in both aging and obesity (AL vs. YL and AO vs. YO), and App, Ctnnb1, Hipk2, Id2, and Tp53 exhibited additional effects of aging in obese animals. Furthermore, Foxo3 and Ccnd1 were potential hypermethylated upstream regulators of healthy aging (AL vs. YL), and of the effects of obesity in young animals (YO vs. YL), suggesting that these factors could play a role in accelerated aging with obesity. Finally, we identified candidate driver genes that appeared recurrently in all analyses and comparisons undertaken. Further mechanistic studies are needed to validate the roles of these genes capable of priming ASCs for dysfunction in aging- and obesity-associated pathologies.
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Affiliation(s)
- Shaojun Xie
- Bioinformatics Core, Purdue University, 1022 Young Hall, 155 S. Grant Street, West Lafayette, IN 47907
| | - Sulbha Choudhari
- Bioinformatics Core, Purdue University, 1022 Young Hall, 155 S. Grant Street, West Lafayette, IN 47907
- Advanced Biomedical Computational Science, Bioinformatics and Computational Science, Frederick National Laboratory for Cancer Research, 8560 Progress Drive, Frederick, MD 2170
| | - Chia-Lung Wu
- Department of Orthopaedics and Rehabilitation, Center for Musculoskeletal Research, University of Rochester, Rochester, NY, 14611
| | - Karen Abramson
- Duke Molecular Physiology Institute, 300 North Duke Street, Durham, NC 27701
| | - David Corcoran
- Genomic Analysis and Bioinformatics Shared Resource, Duke Center for Genomic and Computational Biology, 101 Science Drive, Duke University Medical Center Box 3382, Durham, NC 27708
- Lineberger Bioinformatics Core, 5200 Marsico Hall, University of North Carolina-Chapel Hill, Chapel Hill, NC 27516
| | - Simon G. Gregory
- Duke Molecular Physiology Institute, 300 North Duke Street, Durham, NC 27701
- Department of Neurology, Duke University School of Medicine, 311 Research Drive, Durham, NC 27710
| | - Jyothi Thimmapuram
- Bioinformatics Core, Purdue University, 1022 Young Hall, 155 S. Grant Street, West Lafayette, IN 47907
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Washington University in St. Louis, 4515 McKinley Ave., St. Louis, MO 63110
- Shriners Hospitals for Children – St. Louis, 4400 Clayton Ave, St. Louis Missouri 63110
| | - Dianne Little
- Departments of Basic Medical Sciences and Biomedical Engineering, Purdue University, 2186 Lynn Hall, 625 Harrison St, West Lafayette, IN 47907-2026
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Wang H, Dai GC, Li YJ, Chen MH, Lu PP, Zhang YW, -Zhang M, Cao MM, Rui YF. Targeting Senescent Tendon Stem/Progenitor Cells to Prevent or Treat Age-Related Tendon Disorders. Stem Cell Rev Rep 2022; 19:680-693. [PMID: 36520409 DOI: 10.1007/s12015-022-10488-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/01/2022] [Accepted: 12/04/2022] [Indexed: 12/23/2022]
Abstract
Age-related tendon disorder, a primary motor system disease, is characterized by biological changes in the tendon tissue due to senescence and seriously affects the quality of life of the elderly. The pathogenesis of this disease is not well-understood. Tendon stem/progenitor cells (TSPCs) exhibit multi-differentiation capacity. These cells are important cellular components of the tendon because of their roles in tendon tissue homeostasis, remodeling, and repair. Previous studies revealed alterations in the biological characteristics and tenogenic differentiation potential of TSPCs in senescent tendon tissue, in turn contributing to insufficient differentiation of TSPCs into tenocytes. Poor tendon repair can result in age-related tendinopathies. Therefore, targeting of senescent TSPCs may restore the tenogenic differentiation potential of these cells and achieve homeostasis of the tendon tissue to prevent or treat age-related tendinopathy. In this review, we summarize the biological characteristics of TSPCs and histopathological changes in age-related tendinopathy, as well as the potential mechanisms through which TSPCs contribute to senescence. This information may promote further exploration of innovative treatment strategies to rescue TSPCs from senescence.
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Affiliation(s)
- Hao Wang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Guang-Chun Dai
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Ying-Juan Li
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Min-Hao Chen
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Pan-Pan Lu
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Yuan-Wei Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Ming -Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Mu-Min Cao
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China
| | - Yun-Feng Rui
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
- Orthopaedic Trauma Institute, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
- Trauma Center, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.
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Gao C, Zhou G, Cheng M, Feng L, Cao P, Zhou G. Identification of senescence-associated long non-coding RNAs to predict prognosis and immune microenvironment in patients with hepatocellular carcinoma. Front Genet 2022; 13:956094. [PMID: 36330438 PMCID: PMC9624069 DOI: 10.3389/fgene.2022.956094] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/30/2022] [Indexed: 02/17/2024] Open
Abstract
Background: Cellular senescence plays a complicated and vital role in cancer development because of its divergent effects on tumorigenicity. However, the long non-coding RNAs (lncRNAs) associated with tumor senescence and their prognostic value in hepatocellular carcinoma (HCC) remain unexplored. Methods: The trans-cancer oncogene-induced senescence (OIS) signature was determined by gene set variation analysis (GSVA) in the cancer genome atlas (TCGA) dataset. The OIS-related lncRNAs were identified by correlation analyses. Cox regression analyses were used to screen lncRNAs associated with prognosis, and an optimal predictive model was created by regression analysis of the least absolute shrinkage and selection operator (LASSO). The performance of the model was evaluated by Kaplan-Meier survival analyses, nomograms, stratified survival analyses, and receiver operating characteristic curve (ROC) analyses. Gene set enrichment analysis (GSEA) and cell-type identification by estimating relative subsets of RNA transcripts (CIBERSORT) were carried out to explore the functional relevance and immune cell infiltration, respectively. Results: Firstly, we examined the pan-cancer OIS signature, and found several types of cancer with OIS strongly associated with the survival of patients, including HCC. Subsequently, based on the OIS signature, we identified 76 OIS-related lncRNAs with prognostic values in HCC. We then established an optimal prognostic model based on 11 (including NRAV, AC015908.3, MIR100HG, AL365203.2, AC009005.1, SNHG3, LINC01138, AC090192.2, AC008622.2, AL139423.1, and AC026356.1) of these lncRNAs by LASSO-Cox regression analysis. It was then confirmed that the risk score was an independent and potential risk indicator for overall survival (OS) (HR [95% CI] = 4.90 [2.74-8.70], p < 0.001), which outperforms those traditional clinicopathological factors. Furthermore, patients with higher risk scores also showed more advanced levels of a proinflammatory senescence-associated secretory phenotype (SASP), higher infiltration of regulatory T (Treg) cells and lower infiltration of naïve B cells, suggesting the regulatory effects of OIS on immune microenvironment. Additionally, we identified NRAV as a representative OIS-related lncRNA, which is over-expressed in HCC tumors mainly driven by DNA hypomethylation. Conclusion: Based on 11 OIS-related lncRNAs, we established a promising prognostic predictor for HCC patients, and highlighted the potential immune microenvironment-modulatory roles of OIS in HCC, providing a broad molecular perspective of tumor senescence.
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Affiliation(s)
- Chengzhi Gao
- State Key Laboratory of Proteomics, National Center for Protein Sciences at Beijing, Beijing Institute of Radiation Medicine, Beijing, China
| | - Guangming Zhou
- State Key Laboratory of Proteomics, National Center for Protein Sciences at Beijing, Beijing Institute of Radiation Medicine, Beijing, China
| | - Min Cheng
- Collaborative Innovation Center for Personalized Cancer Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Lan Feng
- State Key Laboratory of Proteomics, National Center for Protein Sciences at Beijing, Beijing Institute of Radiation Medicine, Beijing, China
| | - Pengbo Cao
- State Key Laboratory of Proteomics, National Center for Protein Sciences at Beijing, Beijing Institute of Radiation Medicine, Beijing, China
| | - Gangqiao Zhou
- State Key Laboratory of Proteomics, National Center for Protein Sciences at Beijing, Beijing Institute of Radiation Medicine, Beijing, China
- Collaborative Innovation Center for Personalized Cancer Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
- Hebei University, Baoding, China
- Anhui Medical University, Hefei, China
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8
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Meng W, Li Y, Chai B, Liu X, Ma Z. miR-199a: A Tumor Suppressor with Noncoding RNA Network and Therapeutic Candidate in Lung Cancer. Int J Mol Sci 2022; 23:ijms23158518. [PMID: 35955652 PMCID: PMC9369015 DOI: 10.3390/ijms23158518] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/12/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022] Open
Abstract
Lung cancer is the leading cause of cancer death worldwide. miR-199a, which has two mature molecules: miR-199a-3p and miR-199a-5p, plays an important biological role in the genesis and development of tumors. We collected recent research results on lung cancer and miR-199a from Google Scholar and PubMed databases. The biological functions of miR-199a in lung cancer are reviewed in detail, and its potential roles in lung cancer diagnosis and treatment are discussed. With miR-199a as the core point and a divergence outward, the interplay between miR-199a and other ncRNAs is reviewed, and a regulatory network covering various cancers is depicted, which can help us to better understand the mechanism of cancer occurrence and provide a means for developing novel therapeutic strategies. In addition, the current methods of diagnosis and treatment of lung cancer are reviewed. Finally, a conclusion was drawn: miR-199a inhibits the development of lung cancer, especially by inhibiting the proliferation, infiltration, and migration of lung cancer cells, inhibiting tumor angiogenesis, increasing the apoptosis of lung cancer cells, and affecting the drug resistance of lung cancer cells. This review aims to provide new insights into lung cancer therapy and prevention.
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Xiao J, Joseph S, Xia M, Teng F, Chen X, Huang R, Zhai L, Deng W. Circular RNAs Acting as miRNAs’ Sponges and Their Roles in Stem Cells. J Clin Med 2022; 11:jcm11102909. [PMID: 35629034 PMCID: PMC9145679 DOI: 10.3390/jcm11102909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/10/2022] [Accepted: 05/18/2022] [Indexed: 12/04/2022] Open
Abstract
Circular RNAs (circRNAs), a novel type of endogenous RNAs, have become a subject of intensive research. It has been found that circRNAs are important players in cell differentiation and tissue homeostasis, as well as disease development. Moreover, the expression of circRNAs is usually not correlated with their parental gene expression, indicating that they are not only a steady-state by-product of mRNA splicing but a product of variable splicing under novel regulation. Sequence conservation analysis has also demonstrated that circRNAs have important non-coding functions. CircRNAs exist as a covalently closed loop form in mammalian cells, where they regulate cellular transcription and translation processes. CircRNAs are built from pre-messenger RNAs, and their biogenesis involves back-splicing, which is catalyzed by spliceosomes. The splicing reaction gives rise to three different types of intronic, exotic and exon–intron circular RNAs. Due to higher nuclease stability and longer half lives in cells, circRNAs are more stable than linear RNAs and have enormous clinical advantage for use as diagnostic and therapeutic biomarkers for disease. In recent years, it has been reported that circRNAs in stem cells play a crucial role in stem cell function. In this article, we reviewed the general feature of circRNAs and the distinct roles of circRNAs in stem cell biology, including regulation of stem cell self-renewal and differentiation. CircRNAs have shown unique expression profiles during differentiation of stem cells and could serve as promising biomarkers of these cells. As circRNAs play pivotal roles in stem cell regulation as well as the development and progression of various diseases, we also discuss opportunities and challenges of circRNA-based treatment strategies in future effective therapies for promising clinical applications.
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Affiliation(s)
- Juan Xiao
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Shija Joseph
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Mengwei Xia
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Feng Teng
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Xuejiao Chen
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Rufeng Huang
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
| | - Lihong Zhai
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China; (J.X.); (S.J.); (M.X.); (F.T.); (X.C.); (R.H.)
- Correspondence: (L.Z.); (W.D.)
| | - Wenbin Deng
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 510060, China
- Jiangxi Deshang Pharmaceutical Co., Ltd., Zhangshu 336000, China
- Correspondence: (L.Z.); (W.D.)
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D’Anca M, Buccellato FR, Fenoglio C, Galimberti D. Circular RNAs: Emblematic Players of Neurogenesis and Neurodegeneration. Int J Mol Sci 2022; 23:ijms23084134. [PMID: 35456950 PMCID: PMC9032451 DOI: 10.3390/ijms23084134] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/06/2022] [Indexed: 12/13/2022] Open
Abstract
In the fascinating landscape of non-coding RNAs (ncRNAs), circular RNAs (circRNAs) are peeping out as a new promising and appreciated class of molecules with great potential as diagnostic and prognostic biomarkers. They come from circularization of single-stranded RNA molecules covalently closed and generated through alternative mRNA splicing. Dismissed for many years, similar to aberrant splicing by-products, nowadays, their role has been regained. They are able to regulate the expression of linear mRNA transcripts at different levels acting as miRNA sponges, interacting with ribonucleoproteins or exerting a control on gene expression. On the other hand, being extremely conserved across phyla and stable, cell and tissue specific, mostly abundant than the linear RNAs, it is not surprising that they should have critical biological functions. Curiously, circRNAs are particularly expressed in brain and they build up during aging and age-related diseases. These extraordinary peculiarities make circRNAs potentially suitable as promising molecular biomarkers, especially of aging and neurodegenerative diseases. This review aims to explore new evidence on circRNAs, emphasizing their role in aging and pathogenesis of major neurodegenerative disorders, Alzheimer's disease, frontotemporal dementia, and Parkinson's diseases with a look toward their potential usefulness in biomarker searching.
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Affiliation(s)
- Marianna D’Anca
- Foundation IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.R.B.); or (C.F.); or (D.G.)
- Correspondence:
| | - Francesca R. Buccellato
- Foundation IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.R.B.); or (C.F.); or (D.G.)
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy
| | - Chiara Fenoglio
- Foundation IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.R.B.); or (C.F.); or (D.G.)
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
| | - Daniela Galimberti
- Foundation IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.R.B.); or (C.F.); or (D.G.)
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy
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