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Yuan X, Long Q, Li W, Yan Q, Zhang P. Characteristics of the Dynamic Evolutionary Pathway of ADSCs Induced Differentiation into Astrocytes Based on scRNA-Seq Analysis. Mol Neurobiol 2024:10.1007/s12035-024-04414-y. [PMID: 39190264 DOI: 10.1007/s12035-024-04414-y] [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: 01/02/2024] [Accepted: 07/30/2024] [Indexed: 08/28/2024]
Abstract
We employed single-cell transcriptome sequencing to reveal the dynamic gene expression changes during the differentiation of adipose-derived stromal cells (ADSCs) into astrocytes. Single-cell RNA sequencing was conducted on cells from the ADSCs group and the induced groups at 2, 7, 14, and 21 days using the 10 × Chromium platform. Data underwent quality control and dimensionality reduction. Cell differentiation trajectories were constructed using Monocle2, and differentially expressed genes (DEGs) in each cell cluster were identified using differential selection algorithms. DEGs at each time point were annotated using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG), and regulatory intensities of transcription factors were analyzed using SCENIC. Integrating all groups, a total of five samples were divided into 13 cell clusters (0-12 clusters). DEGs between clusters and those compared with ADSCs at various induced time points showed distinct specificities. Monocle2 constructed cell differentiation trajectories; ADSCs can differentiate into mature astrocytes not only through the direct pathway from the 1 branch to the 3 branch but also through an indirect pathway, involving the 1 branch to the 2 branch before progressing to the 3 branch. SCENIC analysis highlighted the critical regulatory roles of STAT1, MYEF2, and SOX6 transcription factors during the differentiation of ADSCs into astrocytes. ADSCs can differentiate into mature astrocytes through two distinct pathways: direct and indirect. By the 14th day of induction, mature astrocytes have formed, characterized by a cell cycle arrest in mitosis. Further induction leads to degenerative senescence changes in differentiated cells.
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Affiliation(s)
- Xiaodong Yuan
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China
- Hebei Provincial Key Laboratory of Neurobiological Function, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China
| | - Qingxi Long
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China
| | - Wen Li
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China
| | - Qi Yan
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China
| | - Pingshu Zhang
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China.
- Hebei Provincial Key Laboratory of Neurobiological Function, 57 Xinhua East Road, Lubei District, Tangshan City, 063000, Hebei Province, China.
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Yuan X, Li W, Liu Q, Long Q, Yan Q, Zhang P. Genomic characteristics of adipose-derived stromal cells induced into neurons based on single-cell RNA sequencing. Heliyon 2024; 10:e33079. [PMID: 38984299 PMCID: PMC11231542 DOI: 10.1016/j.heliyon.2024.e33079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 07/11/2024] Open
Abstract
Adipose-derived stromal cells (ADSCs) can be induced to differentiate into neurons, representing the most promising avenue for cell therapy. However, the molecular mechanism and genomic characteristics of the differentiation of ADSCs into neurons remain poorly understood. In this study, cells from the adult ADSCs group, induction 1h, 3h, 5h, 6h, and 8h groups were selected for single-cell RNA sequencing (scRNA-Seq). Samples from these seven-time points were sequenced and analyzed. The expression of neuron marker genes, including NES, MAP2, TMEM59L, PTK2B, CHN1, DNM1, NRSN2, FBLN2, SCAMP1, SLC1A1, DLG4, CDK5, and ENO2, was found to be low in the ADSCs group, but highly expressed in differentiated cell clusters. The expression of stem cell marker genes, including CCND1, IL1B, MMP1, MMP3, MYO10, and BMP2, was the highest in the ADSCs cluster. This expression decreased significantly with the extension of induction time. Gene ontology (GO) enrichment analysis of upregulated genes in the induced samples showed that the biological processes related to neuronal differentiation and development, such as neuronal differentiation, projection, and apoptosis, were significantly upregulated with a longer induction time during cell cluster differentiation. The results of the cell communication analysis demonstrated the gradual formation of complex neural network connections between ADSC-derived neurons through receptor and ligand pairs at 5h after the induction of differentiation.
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Affiliation(s)
- Xiaodong Yuan
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
| | - Wen Li
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
| | - Qing Liu
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
| | - Qingxi Long
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
| | - Qi Yan
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
| | - Pingshu Zhang
- Department of Neurology of Kailuan General Hospital Affiliated North China University of Science and Technology, China
- Hebei Provincial Key Laboratory of Neurobiological Function, China
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The Cellular and Molecular Patterns Involved in the Neural Differentiation of Adipose-Derived Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1298:23-41. [PMID: 32514816 DOI: 10.1007/5584_2020_547] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Injuries to the nervous system cause serious problems among affected patients by preventing them from the possibility of living a normal life. As this tissue possesses a reduced capacity of self-regeneration currently, lots of different strategies are being developed in order to make the regeneration in the nervous system possible. Among them, tissue engineering and stem cell-based therapies are to date very exploded fields and tremendous progress has been made in this direction. As the two main components of the nervous system, react differently to injuries and behave different during disease, it is clear that two separate regeneration approaches have been taken into consideration during development of treatment. Special attention is constantly given to the potential of adipose-derived stem cells for this kind of application. Due to the fact that they present remarkable properties, they can easily be obtained and have demonstrated that are capable of engaging in neural and glial lineages, adipose-derived stem cells are promising tools for the field of nervous system regeneration. Moreover, new insights into epigenetic control and modifications during the differentiation of adipose-derived stem cells towards the neural liege could provide new methods to maximize the regeneration process. In this review, we summarize the current applications of adipose-derived stem cells for neural regeneration and discuss in-depth molecular patterns involved in the differentiation of adipose-derived stem cells in neuron-like cells and Schwann-like cells.
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Wang JL, Xu CJ. Astrocytes autophagy in aging and neurodegenerative disorders. Biomed Pharmacother 2019; 122:109691. [PMID: 31786465 DOI: 10.1016/j.biopha.2019.109691] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 11/11/2019] [Accepted: 11/20/2019] [Indexed: 12/13/2022] Open
Abstract
Astrocytes can serve multiple functions in maintaining cellular homeostasis of the central nervous system (CNS), and normal functions for autophagy in astrocytes is considered to have very vital roles in the pathogenesis of aging and neurodegenerative diseases. Autophagy is a major intracellular lysosomal (or its yeast analog, vacuolar) clearance pathways involved in the degradation and recycling of long-lived proteins, oxidatively damaged proteins and dysfunctional organelles by lysosomes. Current evidence has shown that autophagy might influence inflammation, oxidative stress, aging and function of astrocytes. Although the interrelation between autophagy and inflammation, oxidative stress, aging or neurological disorders have been addressed in detail, the influence of astrocytes mediated-autophagy in aging and neurodegenerative disorders has yet to be fully reviewed. In this review, we will summarize the most up-to-date findings and highlight the role of autophagy in astrocytes and link autophagy of astrocytes to aging and neurodegenerative diseases. Due to the prominent roles of astrocytic autophagy in age-related neurodegenerative diseases, we believe that we can provide new suggestions for the treatment of these disorders.
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Affiliation(s)
- Jun-Ling Wang
- Center for Reproductive Medicine, Affiliated Hospital 1 of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, PR China.
| | - Chao-Jin Xu
- Department of Histology & Embryology, School of Basic Medical Science, Wenzhou Medical University, Cha Shan University Town, No.1 Central North Road, Wenzhou, Zhejiang, 325035, PR China.
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Zhao YH, Liu NW, Ke CC, Liu BW, Chen YA, Luo C, Zhang Q, Xia ZY, Liu RS. Combined treatment of sodium ferulate, n-butylidenephthalide, and ADSCs rehabilitates neurovascular unit in rats after photothrombotic stroke. J Cell Mol Med 2018; 23:126-142. [PMID: 30421523 PMCID: PMC6307846 DOI: 10.1111/jcmm.13894] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/06/2018] [Accepted: 08/14/2018] [Indexed: 02/06/2023] Open
Abstract
The remodelling of structural and functional neurovascular unit (NVU) becomes a central therapeutic strategy after cerebral ischaemic stroke. In the present study, we investigated the effect of combined therapy of sodium ferulate (SF), n‐butylidenephthalide (BP) and adipose‐derived stromal cells (ADSCs) to ameliorate the injured NVU in the photochemically induced thrombotic stroke in rats. After solely or combined treatment, the neovascularization, activation of astrocytes, neurogenesis, expressions of vascular endothelial growth factor (VEGF) and claudin‐5 were assessed by immunohistochemical or immunofluorescence staining. In order to uncover the underlying mechanism of therapeutic effect, signalling of protein kinase B/mammalian target of rapamycin (AKT/mTOR), extracellular signal‐regulated kinase 1/2 (ERK1/2), and Notch1 in infarct zone were analysed by western blot. 18F‐2‐deoxy‐glucose/positron emission tomography, magnetic resonance imaging, Evans blue staining were employed to evaluate the glucose metabolism, cerebral blood flow (CBF), and brain‐blood barrier (BBB) permeability, respectively. The results showed that combined treatment increased the neovascularization, neurogenesis, and VEGF secretion, modulated the astrocyte activation, enhanced the regional CBF, and glucose metabolism, as well as reduced BBB permeability and promoted claudin‐5 expression, indicating the restoration of structure and function of NVU. The activation of ERK1/2 and Notch1 pathways and inhibition of AKT/mTOR pathway might be involved in the therapeutic mechanism. In summary, we have demonstrated that combined ADSCs with SF and BP, targeting the NVU remodelling, is a potential treatment for ischaemic stroke. These results may provide valuable information for developing future combined cellular and pharmacological therapeutic strategy for ischaemic stroke.
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Affiliation(s)
- Yong-Hua Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau
| | - Nai-Wei Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau
| | - Chien-Chih Ke
- Biomedical Imaging Research Center, National Yang-Ming University, Taipei, Taiwan.,Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan.,Molecular and Genetic Imaging Core/Taiwan Mouse Clinic, National Comprehensive Mouse Phenotyping and Drug Testing Center, Taipei, Taiwan.,Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Bo-Wen Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau
| | - Yi-An Chen
- Molecular and Genetic Imaging Core/Taiwan Mouse Clinic, National Comprehensive Mouse Phenotyping and Drug Testing Center, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Cheng Luo
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau
| | - Qian Zhang
- Department of Biotherapy, Shenzhen Luohu People's Hospital, Shenzhen, China
| | - Zhen-Yan Xia
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau
| | - Ren-Shyan Liu
- Biomedical Imaging Research Center, National Yang-Ming University, Taipei, Taiwan.,Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan.,Molecular and Genetic Imaging Core/Taiwan Mouse Clinic, National Comprehensive Mouse Phenotyping and Drug Testing Center, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Nuclear Medicine, Cheng-Hsin General Hospital, Taipei, Taiwan.,Department of Nuclear Medicine and National PET/Cyclotron Center, Taipei Veterans General Hospital, Taipei, Taiwan
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Cheng Z, Ou Y, Zhang L, Zhang P, Yuan X, Peng W, Wang S, Zhu X, Zhang L, Meng Y. The glutamate clearance function of adipose stromal cells-derived astrocytes. Neurosci Lett 2018; 677:94-102. [PMID: 29704575 DOI: 10.1016/j.neulet.2018.04.048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Accepted: 04/24/2018] [Indexed: 10/17/2022]
Abstract
ADSCs-derived astrocytes qualify the morphology, ultrastructure and membrane electrical potential, which are all unique to astrocytes. But whether they have the glutamate clearance function like mature astrocytes is under exploration. ADSCs were extracted, cultured and induced into astrocytes for 48 h, 7d, 14d and 21d in vitro. Inverted phase contrast microscope was used to observe the morphology of the cells in each group. Immunocytochemistry assay, immunofluorescence assay and Western blotting were used to detect the expression of GFAP, EAAT2 and GS of the cells in each group. The cells were cultured in glutamate solution for 1, 2, 3 and 4 h respectively before the solution collected. The glutamate concentration of the solution was detected using Glutamate Colorimetric Assay Hit. ADSCs-derived astrocytes expressed GFAP, EAAT2 and GS, all of which increased gradually and reached peak when induced for 14 days. In induction for 48 h, 7d and 14d groups, the extracellular glutamate concentration decreased gradually during the cells cultured in glutamate solution for 1, 2, 3 and 4 h, among which the decrease extent was most prominent in 14d group, while the extracellular glutamate concentration had no change in uninduction and induction for 21d group. ADSCs-derived astrocytes expressed EAAT2 and GS, meanwhile had the function of clearing glutamate, which was prominent when induced into astrocytes for 7-14 days.
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Affiliation(s)
- Zanzan Cheng
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Ya Ou
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Lili Zhang
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Pingshu Zhang
- Key Laboratory of Neurological and Biological Function of Hebei Province, Tangshan 063000, Hebei Province, China; Key Laboratory of Neurology of Tangshan, Tangshan 063000, Hebei Province, China
| | - Xiaodong Yuan
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China; Key Laboratory of Neurological and Biological Function of Hebei Province, Tangshan 063000, Hebei Province, China.
| | - Wei Peng
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Shujuan Wang
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Xuhong Zhu
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Liping Zhang
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
| | - Yan Meng
- Department of Neurology, Affiliated Kailuan General Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
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Cao Y, Cai J, Li X, Yuan N, Zhang S. Autophagy governs erythroid differentiation both in vitro and in vivo. ACTA ACUST UNITED AC 2015; 21:225-33. [PMID: 26121237 DOI: 10.1179/1607845415y.0000000027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES Although the importance of autophagy in determination of cell fate has been much explored in recent years, its definite role in regulating erythroid differentiation remains unclear. METHODS In this study, human erythroleukemic cell line K562 was employed as a cell model for studying erythroid differentiation in vitro. Starvation and rapamycin were used to induce autophagy, whereas Baf-A1 and CRISPR/Cas9/Atg7 were used to inhibit late and early phase of autophagy, respectively. The mice model of autophagy activation and autophagy deletion were established, and red blood cell counts and flow cytometry were used to analyze erythroid differentiation in vivo. RESULTS The results showed that the transcriptional levels of α-globin and γ-globin, and the ratio of hemoglobin-positive cells all significantly increased in K562 cells with starvation and rapamycin treatment, which were blocked by autophagy inhibitor, Baf-A1 or Atg7 gene knockout. In the autophagy-enhanced mouse model, the number of mature erythrocytes significantly increased, while in Atg7-deleted mouse model, erythroid differentiation was severely blocked. CONCLUSION It is concluded that autophagy is indispensible in the development, maturation, and homeostasis of erythroid cells both in vitro and in vivo. Our findings support the potential strategy for erythroleukemia treatment and production of erythroblasts in vitro by modulating autophagy.
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Affiliation(s)
- Yan Cao
- a Hematology Center of Cyrus Tang Medical Institute , Soochow University School of Medicine , Suzhou 215123 , Jiangsu , China
| | - Jinyang Cai
- a Hematology Center of Cyrus Tang Medical Institute , Soochow University School of Medicine , Suzhou 215123 , Jiangsu , China.,b Current address: State key Laboratory of Reproductive Medicine , Nanjing Medical University , Nanjing 210029 , Jiangsu , China
| | - Xin Li
- a Hematology Center of Cyrus Tang Medical Institute , Soochow University School of Medicine , Suzhou 215123 , Jiangsu , China
| | - Na Yuan
- a Hematology Center of Cyrus Tang Medical Institute , Soochow University School of Medicine , Suzhou 215123 , Jiangsu , China
| | - Suping Zhang
- a Hematology Center of Cyrus Tang Medical Institute , Soochow University School of Medicine , Suzhou 215123 , Jiangsu , China
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