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Lee Y, Lee SW, Jeong D, Lee HJ, Ko K. The role of microRNA-325-3p as a critical player in cell death in NSCs and astrocytes. Front Cell Dev Biol 2024; 11:1223987. [PMID: 38379959 PMCID: PMC10877600 DOI: 10.3389/fcell.2023.1223987] [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: 05/17/2023] [Accepted: 12/12/2023] [Indexed: 02/22/2024] Open
Abstract
Neural stem cells (NSCs) are defined by their ability to self-renew and generate various cell types within the nervous system. Understanding the underlying mechanism by which NSCs proliferate and differentiate is crucial for the efficient modulation of in vivo neurogenesis. MicroRNAs are small non-coding RNAs controlling gene expression concerned in post-transcriptional control by blocking messenger RNA (mRNA) translation or degrading mRNA. MicroRNAs play a role as modulators by matching target mRNAs. Recent studies have discussed the biological mechanism of microRNA regulation in neurogenesis. To investigate the role of microRNAs in NSCs and NSC-derived glial cells, we screened out NSC-specific microRNAs by using miRNome-wide screening. Then, we induced downregulation by the sponge against the specific microRNA to evaluate the functional role of the microRNA in proliferation, differentiation, and apoptosis in NSCs and NSC-derived astrocytes. We found that microRNA-325-3p is highly expressed in NSCs and astrocytes. Furthermore, we showed that microRNA-325-3p is a regulator of apoptosis by targeting brain-specific angiogenesis inhibitor (BAI1), which is a receptor for apoptotic cells and expressed in the brain and cultured astrocytes. Downregulation of microRNA-325-3p using an inducible sponge system induced cell death by regulating BAI1 in NSCs and NSC-derived astrocytes. Overall, our findings can provide an insight into the potential roles of NSC-specific microRNAs in brain neurogenesis and suggest the possible usage of the microRNAs as biomarkers of neurodegenerative disease.
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Affiliation(s)
- Yukyeong Lee
- Department of Stem Cell Biology, Konkuk University School of Medicine, Seoul, Republic of Korea
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Neurology, Harvard Medical School, Boston, MA, United States
| | - Seung-Won Lee
- Department of Stem Cell Biology, Konkuk University School of Medicine, Seoul, Republic of Korea
- Cancer Early Detection Advanced Research Center, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, United States
| | - Dahee Jeong
- Department of Stem Cell Biology, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Hye Jeong Lee
- Department of Stem Cell Biology, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Kinarm Ko
- Department of Stem Cell Biology, Konkuk University School of Medicine, Seoul, Republic of Korea
- Center for Stem Cell Research, Institute of Advanced Biomedical Science, Konkuk University, Seoul, Republic of Korea
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2
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Rashid S, Dimitriadi M. Autophagy in spinal muscular atrophy: from pathogenic mechanisms to therapeutic approaches. Front Cell Neurosci 2024; 17:1307636. [PMID: 38259504 PMCID: PMC10801191 DOI: 10.3389/fncel.2023.1307636] [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: 10/04/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024] Open
Abstract
Spinal muscular atrophy (SMA) is a devastating neuromuscular disorder caused by the depletion of the ubiquitously expressed survival motor neuron (SMN) protein. While the genetic cause of SMA has been well documented, the exact mechanism(s) by which SMN depletion results in disease progression remain elusive. A wide body of evidence has highlighted the involvement and dysregulation of autophagy in SMA. Autophagy is a highly conserved lysosomal degradation process which is necessary for cellular homeostasis; defects in the autophagic machinery have been linked with a wide range of neurodegenerative disorders, including amyotrophic lateral sclerosis, Alzheimer's disease and Parkinson's disease. The pathway is particularly known to prevent neurodegeneration and has been suggested to act as a neuroprotective factor, thus presenting an attractive target for novel therapies for SMA patients. In this review, (a) we provide for the first time a comprehensive summary of the perturbations in the autophagic networks that characterize SMA development, (b) highlight the autophagic regulators which may play a key role in SMA pathogenesis and (c) propose decreased autophagic flux as the causative agent underlying the autophagic dysregulation observed in these patients.
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Affiliation(s)
| | - Maria Dimitriadi
- School of Life and Medical Science, University of Hertfordshire, Hatfield, United Kingdom
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3
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Yan B, Li Z, Su H, Xue H, Qiu D, Xu Z, Tan G. Regulatory mechanisms of autophagy-related ncRNAs in bone metabolic diseases. Front Pharmacol 2023; 14:1178310. [PMID: 38146458 PMCID: PMC10749346 DOI: 10.3389/fphar.2023.1178310] [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: 03/02/2023] [Accepted: 11/27/2023] [Indexed: 12/27/2023] Open
Abstract
Bone metabolic diseases have been tormented and are plaguing people worldwide due to the lack of effective and thorough medical interventions and the poor understanding of their pathogenesis. Non-coding RNAs (ncRNAs) are heterogeneous transcripts that cannot encode the proteins but can affect the expressions of other genes. Autophagy is a fundamental mechanism for keeping cell viability, recycling cellular contents through the lysosomal pathway, and maintaining the homeostasis of the intracellular environment. There is growing evidence that ncRNAs, autophagy, and crosstalk between ncRNAs and autophagy play complex roles in progression of metabolic bone disease. This review investigated the complex mechanisms by which ncRNAs, mainly micro RNAs (miRNAs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs), regulate autophagic pathway to assist in treating bone metabolism disorders. It aimed at identifying the autophagy role in bone metabolism disorders and understanding the role, potential, and challenges of crosstalk between ncRNAs and autophagy for bone metabolism disorders treatment.
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Affiliation(s)
- Binghan Yan
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhichao Li
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hui Su
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Haipeng Xue
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Daodi Qiu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhanwang Xu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guoqing Tan
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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Basri R, Awan FM, Yang BB, Awan UA, Obaid A, Naz A, Ikram A, Khan S, Haq IU, Khan SN, Aqeel MB. Brain-protective mechanisms of autophagy associated circRNAs: Kick starting self-cleaning mode in brain cells via circRNAs as a potential therapeutic approach for neurodegenerative diseases. Front Mol Neurosci 2023; 15:1078441. [PMID: 36727091 PMCID: PMC9885805 DOI: 10.3389/fnmol.2022.1078441] [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: 10/24/2022] [Accepted: 12/13/2022] [Indexed: 01/19/2023] Open
Abstract
Altered autophagy is a hallmark of neurodegeneration but how autophagy is regulated in the brain and dysfunctional autophagy leads to neuronal death has remained cryptic. Being a key cellular waste-recycling and housekeeping system, autophagy is implicated in a range of brain disorders and altering autophagy flux could be an effective therapeutic strategy and has the potential for clinical applications down the road. Tight regulation of proteins and organelles in order to meet the needs of complex neuronal physiology suggests that there is distinct regulatory pattern of neuronal autophagy as compared to non-neuronal cells and nervous system might have its own separate regulator of autophagy. Evidence has shown that circRNAs participates in the biological processes of autophagosome assembly. The regulatory networks between circRNAs, autophagy, and neurodegeneration remains unknown and warrants further investigation. Understanding the interplay between autophagy, circRNAs and neurodegeneration requires a knowledge of the multiple steps and regulatory interactions involved in the autophagy pathway which might provide a valuable resource for the diagnosis and therapy of neurodegenerative diseases. In this review, we aimed to summarize the latest studies on the role of brain-protective mechanisms of autophagy associated circRNAs in neurodegenerative diseases (including Alzheimer's disease, Parkinson's disease, Huntington's disease, Spinal Muscular Atrophy, Amyotrophic Lateral Sclerosis, and Friedreich's ataxia) and how this knowledge can be leveraged for the development of novel therapeutics against them. Autophagy stimulation might be potential one-size-fits-all therapy for neurodegenerative disease as per considerable body of evidence, therefore future research on brain-protective mechanisms of autophagy associated circRNAs will illuminate an important feature of nervous system biology and will open the door to new approaches for treating neurodegenerative diseases.
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Affiliation(s)
- Rabea Basri
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
| | - Faryal Mehwish Awan
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan,*Correspondence: Faryal Mehwish Awan, ✉ ;
| | - Burton B. Yang
- Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, ON, Canada,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada,Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Usman Ayub Awan
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
| | - Ayesha Obaid
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
| | - Anam Naz
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore (UOL), Lahore, Pakistan
| | - Aqsa Ikram
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore (UOL), Lahore, Pakistan
| | - Suliman Khan
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
| | - Ijaz ul Haq
- Department of Public Health and Nutrition, The University of Haripur (UOH), Haripur, Pakistan
| | - Sadiq Noor Khan
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
| | - Muslim Bin Aqeel
- Department of Medical Lab Technology, The University of Haripur (UOH), Haripur, Pakistan
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Tsamou M, Carpi D, Pistollato F, Roggen EL. Sporadic Alzheimer's Disease- and Neurotoxicity-Related microRNAs Affecting Key Events of Tau-Driven Adverse Outcome Pathway Toward Memory Loss. J Alzheimers Dis 2022; 86:1427-1457. [PMID: 35213375 DOI: 10.3233/jad-215434] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND A complex network of aging-related homeostatic pathways that are sensitive to further deterioration in the presence of genetic, systemic, and environmental risk factors, and lifestyle, is implicated in the pathogenesis of progressive neurodegenerative diseases, such as sporadic (late-onset) Alzheimer's disease (sAD). OBJECTIVE Since sAD pathology and neurotoxicity share microRNAs (miRs) regulating common as well as overlapping pathological processes, environmental neurotoxic compounds are hypothesized to exert a risk for sAD initiation and progression. METHODS Literature search for miRs associated with human sAD and environmental neurotoxic compounds was conducted. Functional miR analysis using PathDip was performed to create miR-target interaction networks. RESULTS The identified miRs were successfully linked to the hypothetical starting point and key events of the earlier proposed tau-driven adverse outcome pathway toward memory loss. Functional miR analysis confirmed most of the findings retrieved from literature and revealed some interesting findings. The analysis identified 40 miRs involved in both sAD and neurotoxicity that dysregulated processes governing the plausible adverse outcome pathway for memory loss. CONCLUSION Creating miR-target interaction networks related to pathological processes involved in sAD initiation and progression, and environmental chemical-induced neurotoxicity, respectively, provided overlapping miR-target interaction networks. This overlap offered an opportunity to create an alternative picture of the mechanisms underlying sAD initiation and early progression. Looking at initiation and progression of sAD from this new angle may open for new biomarkers and novel drug targets for sAD before the appearance of the first clinical symptoms.
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Affiliation(s)
- Maria Tsamou
- ToxGenSolutions (TGS), Maastricht, The Netherlands
| | - Donatella Carpi
- European Commission, Joint Research Centre (JRC), Ispra VA, Italy
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Jalali H, Golchin H, Sadri Z, Karimzadeh Bardei L, Nabiuni M. Selenium enhances the expression of miR-9, miR-124 and miR-29a during neural differentiation of bone marrow mesenchymal stem cells. J Trace Elem Med Biol 2022; 69:126898. [PMID: 34800856 DOI: 10.1016/j.jtemb.2021.126898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/22/2021] [Accepted: 11/02/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Selenium (Se) is a trace element that plays important role in antioxidant defense in the brain. Sodium selenite (Na2SeO3) is an inorganic salt of Se which has an antioxidant function. In the present study, we investigated the effect of Sodium selenite on the expression of important neuronal microRNAs during neural differentiation of bone marrow-derived stem cells (BMSCs). METHODS Mesenchymal stem cells were collected from rat bone marrow and cultured in the Dulbecco's Modified Eagle Medium (DMEM) medium. 3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide (MTT) assay was conducted to determine the toxicity of Na2SeO3. For neural induction, BMSCs were divided into control, Na2SeO3 containing (10 ng/mL) and Na2SeO3 free groups and cultured in DMEM medium supplemented with Isobutyl-l-methylxanthine (IBMX), Fibroblast growth factor 2 (FGF2), B27, Retinoic acid, and brain derived neurotrophic factor (BDNF) for 14 days. At the end of the differentiation, immunostaining against Microtubule associated protein 2 (Map-2) and Choline acetyltransferase (ChAT) proteins was performed. Also, the total RNA is extracted from control and neural differentiated cells using a special kit, and the expression of miR-9, miR-124, and miR-29a was analyzed using real-time polymerase chain reaction (RT-PCR). RESULTS Increasing Na2SeO3 concentrations had increasing toxicity; therefore, the concentration of 10 ng/mL was used as a supplement during neural differentiation. Examination of the expression of Map-2 and ChAT proteins showed that Na2SeO3 increased the expression of them and consequently the neuronal differentiation of BMSCs. Na2SeO3 also significantly increased the expression of miR-9, miR-124, and miR-29a in BMSCs undergoing neuronal differentiation. CONCLUSIONS Our results suggest that the protective effect of selenium on neural differentiation of stem cells may be mediated through neuron specific microRNAs. This result further highlights the importance of selenium supplementation in preventing neuronal diseases.
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Affiliation(s)
- Hanieh Jalali
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, No. 43, South Moffateh Ave., Tehran, 15719-14911, Iran.
| | - Hasti Golchin
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, No. 43, South Moffateh Ave., Tehran, 15719-14911, Iran.
| | - Zahra Sadri
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, No. 43, South Moffateh Ave., Tehran, 15719-14911, Iran.
| | - Latifeh Karimzadeh Bardei
- School of Biology, College of Science, University of Tehran, Engelab Ave., Tehran, 14155-6655, Iran.
| | - Mohammad Nabiuni
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, No. 43, South Moffateh Ave., Tehran, 15719-14911, Iran.
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7
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Choudhary P, Gupta A, Singh S. Therapeutic Advancement in Neuronal Transdifferentiation of Mesenchymal Stromal Cells for Neurological Disorders. J Mol Neurosci 2020; 71:889-901. [PMID: 33047251 DOI: 10.1007/s12031-020-01714-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 09/16/2020] [Indexed: 12/12/2022]
Abstract
Neurodegenerative disorders have become the leading cause of chronic pain and death. Treatments available are not sufficient to help the patients as they only alleviate the symptoms and not the cause. In this regard, stem cells therapy has emerged as an upcoming option for the replacement of dead and damaged neurons. Stem cells, in general, are characterized as cells exhibiting potency properties, i.e., on being subjected to specific conditions they transform into cells of another lineage. Of all the types, mesenchymal stem cells (MSCs) are known for their pluripotent nature without the obstacle of ethical concern surrounding the procurement of other cell types. Although fibroblasts are quite similar to MSCs morphologically, certain markers like CD73, CD 90 are specific to MSCs, making both the cell types distinguishable from each other. This is implemented while procuring MSCs from a plethora of sources like umbilical cord blood, adipose tissue, bone marrow, etc. Among these, bone marrow MSCs are the most widely used type for neural regeneration. Neural regeneration is achieved via transdifferentiation. Several studies have either transplanted the stem cells into rodent models or have carried out transdifferentiation in vitro. The process involves a combination of growth factors, pre-treatment factors, and neuronal differentiation inducing mediums. The results obtained are characterized by neuron-like morphology, expression of markers, along with electrophysical activity in some. Recent attempts involve exploring biomaterials that may mimic the native ECM and therefore can be directly introduced at the site of interest. The review gives a brief description of MSCs, their sources and markers, and the different attempts that have been made towards achieving the goal of differentiating MSCs into neurons.
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Affiliation(s)
- Princy Choudhary
- Applied Science Department, Indian Institute of Information Technology, Allahabad, UP, India
| | - Ayushi Gupta
- Applied Science Department, Indian Institute of Information Technology, Allahabad, UP, India
| | - Sangeeta Singh
- Applied Science Department, Indian Institute of Information Technology, Allahabad, UP, India.
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8
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Rahmani A, Naderi M, Barati G, Arefian E, Jedari B, Nadri S. The potency of hsa-miR-9-1 overexpression in photoreceptor differentiation of conjunctiva mesenchymal stem cells on a 3D nanofibrous scaffold. Biochem Biophys Res Commun 2020; 529:526-532. [PMID: 32736669 DOI: 10.1016/j.bbrc.2020.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 06/03/2020] [Indexed: 12/31/2022]
Abstract
MiRNAs are small non-coding RNAs that are ordinarily involved in modulating mRNAs and stem cell differentiation. 3D nanofibrous scaffolds have an important role in the differentiation of stem cells due to their similarity to the extracellular matrix (ECM). In the present study, we tried to introduce a new approach to guiding the differentiation of conjunctiva mesenchymal stem cells (CJMSCs) into photoreceptor-like cells by hsa-miR-9-1 delivery on both 2D and 3D substrates. First, the CJMSCs were transduced by a lentiviral vector carrying miR-9 (pCDH + hsa-miR-9-1) and then cell transduction efficacy verified by using fluorescent microscopy, flow cytometry, and qPCR analyses. Silk Fibroin-poly-L-lactic acid (SF-PLLA) scaffold was fabricated by the electrospinning technique while the scaffold characteristics including morphology, chemical properties, and biocompatibility were evaluated by SEM, FTIR, and MTT assays, respectively. Then, the miR-9-CJMSCs were seeded on both TCPS and the scaffold; photoreceptor gene and protein expressions were evaluated by RT-qPCR and immunostaining after 14 and 21 days of transduction. More than 80% of CJMSCs were transduced and miR-9 expression was significantly higher in miR-9-CJMSCs compared with empty vector (EV)-CJMSCs. SEM and FTIR confirmed the fabrication of the SF/PLLA hybrid structure. RT-qPCR and immunostaining analyses showed that the specific photoreceptor genes and proteins were expressed in miR-9 transduced CJMSCs. Mir-9 induced CJMSCs into photoreceptor-like cells in a time-dependent manneron on both TCPS and nanofibrous scaffold.We have proved that hsa-miR-9-1 has the potency to guide the photoreceptor differentiation of mesenchymal stem cells and promote retinal regeneration.
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Affiliation(s)
- Ali Rahmani
- Department of Medical Nanotechnology, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mahmood Naderi
- Cell-Based Therapies Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghasem Barati
- Department of Medical Biotechnology, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Iran
| | - Behrouz Jedari
- Department of Medical Biotechnology, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Samad Nadri
- Department of Medical Nanotechnology, Zanjan University of Medical Sciences, Zanjan, Iran; Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran; Zanjan Pharmaceutical Nanotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran; Cancer Gene Therapy Research Center, Zanjan University of Medical Sciences, Zanjan, Iran.
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Giorgi Silveira R, Perelló Ferrúa C, do Amaral CC, Fernandez Garcia T, de Souza KB, Nedel F. MicroRNAs expressed in neuronal differentiation and their associated pathways: Systematic review and bioinformatics analysis. Brain Res Bull 2020; 157:140-148. [PMID: 31945407 DOI: 10.1016/j.brainresbull.2020.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 12/30/2019] [Accepted: 01/09/2020] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) plays an important role in the human brain from the embryonic period to adulthood. In this sense, they influence the development of neural stem cells (NSCs), regulating cellular differentiation and survival. Therefore, due to the importance of better comprehending the regulation of miRNAs in NSCs differentiation and the lack of studies that show the panorama of miRNAs and their signaling pathways studied until now we aimed to systematically review the literature to identify which miRNAs are currently being associated with neuronal differentiation and using bioinformatics analysis to identify their related pathways. A search was carried out in the following databases: Scientific Electronic Library Online (Scielo), National Library of Medicine National Institutes of Health (PubMed), Scopus, Web of Science and Science Direct, using the descriptors "(microRNA [MeSH])" and "(neurogenesis [MeSH])". From the articles found, two independent and previously calibrated reviewers, using the EndNote X7 (Thomson Reuters, New York, NY, US), selected those that concern miRNA in the development of NSCs, based on in vitro studies. After, bioinformatic analysis was performed using the software DIANA Tools, mirPath v.3. Subsequently, data was tabulated, analyzed and interpreted. Among the 106 miRNAs cited by included studies, 55 were up-regulated and 47 were down-regulated. The bioinformatics analysis revealed that among the up-regulated miRNAs there were 24 total and 6 union pathways, and 3 presented a statistically significant difference (p ≤ 0.05). Among the down-regulated miRNAs, 46 total and 13 union pathways were found, with 7 presenting a significant difference (p ≤ 0.05). The miR-125a-5p, miR-423-5p, miR-320 were the most frequently found miRNAs in the pathways determined by bioinformatics. In this study a panel of altered miRNAs in neuronal differentiation was created with their related pathways, which could be a step towards understanding the complex network of miRNAs in neuronal differentiation.
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Affiliation(s)
- Roberta Giorgi Silveira
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil
| | - Camila Perelló Ferrúa
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil
| | - Cainá Corrêa do Amaral
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil
| | - Tiago Fernandez Garcia
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil
| | - Karoline Brizola de Souza
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil
| | - Fernanda Nedel
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, RS, 96010-901, Brazil.
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Cai B, Zheng Y, Yan J, Wang J, Liu X, Yin G. BMP2-mediated PTEN enhancement promotes differentiation of hair follicle stem cells by inducing autophagy. Exp Cell Res 2019; 385:111647. [PMID: 31562859 DOI: 10.1016/j.yexcr.2019.111647] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 09/09/2019] [Accepted: 09/24/2019] [Indexed: 12/13/2022]
Abstract
The proliferation and differentiation of hair follicle stem cells (HFSCs) is regulated by several signaling pathways, including BMP and PTEN. Therefore, this study intended to clarify the potential effects of two such regulators, BMP2 and PTEN, on HFSC differentiation. HFSCs were subjected to BMP2, noggin (BMP2 ligand inhibitor), rapamycin (Rapa, autophagy inducer), 3-methyladenine (3-MA, autophagy inhibitor), or shRNA against PTEN. The differentiation of HFSCs was evaluated using oil red O staining and autophagy was assessed using the transmission electron microscope. Then expression of epidermal differentiation marker (K10 and involucrin), adipogenic markers (PPAR-γ2, aP2, perilipin2, and Adipoq), keratinocyte-specific marker (K15), proliferation-related markers (PCNA and Ki67) and autophagy-related factors (Atg5, Atg7, Atg12, Beclin-1 and LC3-II/LC3-I) was examined by RT-qPCR and Western blot analysis. Next, HFSCs were treated with 3-MA, or shRNA against Atg5 or Atg7 to verify the effect of autophagy on differentiation of BMP2-treated HFSCs. Finally, the effect of BMP2 on HFSC differentiation was verified by a mouse wound model. HFSCs overexpressing BMP2 exhibited elevated expression of epidermal differentiation marker, adipogenic markers and autophagy-related factors but inhibited expression of keratinocyte-specific marker and proliferation-related markers. Furthermore, we found that PTEN promoted the differentiation of BMP2-treated HFSCs by inducing autophagy. In vivo experiments further confirmed the roles of BMP2/PTEN on differentiation of HFSCs. Taken together, BMP2 up-regulated PTEN and consequently induced autophagy to facilitate HFSC differentiation.
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Affiliation(s)
- Bingjie Cai
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Yunpeng Zheng
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Jiadi Yan
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Junmin Wang
- College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Xiaojun Liu
- Henan Province Medical Instrument Testing Institute, Zhengzhou, 450018, PR China
| | - Guangwen Yin
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China.
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11
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Zeng Y, Yao X, Liu X, He X, Li L, Liu X, Yan Z, Wu J, Fu BM. Anti-angiogenesis triggers exosomes release from endothelial cells to promote tumor vasculogenesis. J Extracell Vesicles 2019; 8:1629865. [PMID: 31258881 PMCID: PMC6586113 DOI: 10.1080/20013078.2019.1629865] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 06/03/2019] [Accepted: 06/06/2019] [Indexed: 02/05/2023] Open
Abstract
Although anti-angiogenic therapies (AATs) have some effects against multiple malignancies, they are limited by subsequent tumor vasculogenesis and progression. To investigate the mechanisms by which tumor vasculogenesis and progression following AATs, we transfected microRNA (miR)-9 into human umbilical vein endothelial cells (HUVECs) to mimic the tumor-associated endothelial cells in hepatocellular carcinoma and simulated the AATs in vitro and in vivo. We found that administration of the angiogenesis inhibitor vandetanib completely abolished miR-9-induced angiogenesis and promoted autophagy in HUVECs, but induced the release of vascular endothelial growth factor (VEGF)-enriched exosomes. These VEGF-enriched exosomes significantly promoted the formation of endothelial vessels and vasculogenic mimicry in hepatocellular carcinoma and its progression in mice. Anti-autophagic therapy is proposed to improve the efficacy of AATs. However, similar effects by AATs were observed with the application of anti-autophagy by 3-methyladenine. Our results revealed that tumor vasculogenesis and progression after AATs and anti-autophagic therapies were due to the cross-talk between endothelial and tumor cells via VEGF-enriched exosomes.
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Affiliation(s)
- Ye Zeng
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xinghong Yao
- Radiation Therapy Center, Sichuan Cancer Hospital and Institute, Chengdu, China
| | - Xiaoheng Liu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xueling He
- Laboratory Animal Center, Sichuan University, Chengdu, China
| | - Liang Li
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xiaojing Liu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - Zhiping Yan
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Jiang Wu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Bingmei M Fu
- Department of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA
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12
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Zhang L, Yan J, Liu Q, Xie Z, Jiang H. LncRNA Rik-203 contributes to anesthesia neurotoxicity via microRNA-101a-3p and GSK-3β-mediated neural differentiation. Sci Rep 2019; 9:6822. [PMID: 31048708 PMCID: PMC6497879 DOI: 10.1038/s41598-019-42991-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 04/09/2019] [Indexed: 12/30/2022] Open
Abstract
The mechanism of anesthesia neurotoxicity remains largely to be determined. The effects of long noncoding RNAs (LncRNAs) on neural differentiation and the underlying mechanisms are unknown. We thus identified LncRNA Rik-203 (C130071C03Rik) and studied its role on neural differentiation and its interactions with anesthetic sevoflurane, miRNA and GSK-3β. We found that levels of Rik-203 were higher in hippocampus than other tissues and increased during neural differentiation. Sevoflurane decreased the levels of Rik-203. Rik-203 knockdown reduced mRNA levels of Sox1 and Nestin, the markers of neural progenitor cells, and decreased the count of Sox1 positive cells. RNA-RNA pull-down showed that miR-101a-3p was highly bound to Rik-203. Finally, sevoflurane, knockdown of Rik-203, and miR-101a-3p overexpression all decreased GSK-3β levels. These data suggest that Rik-203 facilitates neural differentiation by inhibiting miR-101a-3p's ability to reduce GSK-3β levels and that LncRNAs would serve as the mechanism of the anesthesia neurotoxicity.
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Affiliation(s)
- Lei Zhang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, P.R. China
| | - Jia Yan
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, P.R. China
| | - Qidong Liu
- Shanghai Tenth People's Hospital, Anesthesia and Brain Research Institute, Tongji University School of Medicine, Shanghai, P.R. China
| | - Zhongcong Xie
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 149 13th Street, Room, 4310, Charlestown, MA, USA.
| | - Hong Jiang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, P.R. China.
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13
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MiR-34 and MiR-200: Regulator of Cell Fate Plasticity and Neural Development. Neuromolecular Med 2019; 21:97-109. [DOI: 10.1007/s12017-019-08535-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 04/01/2019] [Indexed: 01/01/2023]
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14
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Vogel A, Upadhya R, Shetty AK. Neural stem cell derived extracellular vesicles: Attributes and prospects for treating neurodegenerative disorders. EBioMedicine 2018; 38:273-282. [PMID: 30472088 PMCID: PMC6306394 DOI: 10.1016/j.ebiom.2018.11.026] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/04/2018] [Accepted: 11/14/2018] [Indexed: 02/06/2023] Open
Abstract
Neural stem cell (NSC) grafting in conditions such as aging, brain injury, and neurodegenerative diseases promotes regeneration, plasticity and functional recovery. Recent studies have revealed that administration of NSC-derived extracellular vesicles (NSC-EVs) via non-invasive approaches can also afford therapeutic benefits. This review confers the properties and therapeutic promise of EVs secreted by NSCs. NSC-EVs enriched with specific miRNAs mediate multiple functions in physiological and pathological conditions, which include modulation of the proximate microenvironment, facilitating the entry of viruses into cells, functioning as independent metabolic units, operating as a microglial morphogen and influencing the diverse aspects of brain function in adulthood including the process of aging. Due to their anti-inflammatory, neurogenic and neurotrophic effects, NSC-EVs are also useful for treating multiple neurodegenerative diseases. Although only a few studies have demonstrated the efficacy of NSC-EVs to treat brain impairments, the promise is enormous. Moving forward, the use of well-characterized NSC-EVs generated in specific culture conditions and NSC-EVs that are engineered to carry the desired miRNAs, mRNAs and proteins have great promise for treating brain injury and neurogenerative diseases. Notably, the possibility of targeting NSC-EVs to specific neuronal types or brain regions would enable managing of diverse neurodegenerative conditions with minimal side effects.
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Affiliation(s)
- Andrew Vogel
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, 1114 TAMU, 206 Olsen Boulevard, College Station, Texas, United States
| | - Raghavendra Upadhya
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, 1114 TAMU, 206 Olsen Boulevard, College Station, Texas, United States; Olin E. Teague Veterans' Medical Center, Central Texas Veterans Health Care System, Temple, TX, United States
| | - Ashok K Shetty
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, 1114 TAMU, 206 Olsen Boulevard, College Station, Texas, United States; Olin E. Teague Veterans' Medical Center, Central Texas Veterans Health Care System, Temple, TX, United States.
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15
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Eve DJ, Sanberg PR, Buzanska L, Sarnowska A, Domanska-Janik K. Human Somatic Stem Cell Neural Differentiation Potential. Results Probl Cell Differ 2018; 66:21-87. [DOI: 10.1007/978-3-319-93485-3_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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16
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Luo H, Gao H, Liu F, Qiu B. Regulation of Runx2 by microRNA-9 and microRNA-10 modulates the osteogenic differentiation of mesenchymal stem cells. Int J Mol Med 2017; 39:1046-1052. [DOI: 10.3892/ijmm.2017.2918] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 01/24/2017] [Indexed: 11/05/2022] Open
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17
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Wang Y, Wu H, Li Z, Yang P, Li Z. A positive feedback loop between GRP78 and VPS34 is critical for GRP78-mediated autophagy in cancer cells. Exp Cell Res 2016; 351:24-35. [PMID: 28038917 DOI: 10.1016/j.yexcr.2016.12.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 12/17/2016] [Accepted: 12/22/2016] [Indexed: 01/12/2023]
Abstract
Autophagy and GRP78 overexpression are two important means by which tumor cells resist microenvironmental stress and chemotherapeutic drugs; however, the relationship between autophagy and GRP78 remains unclear. Here, we found that forced expression of GRP78 in tumor cells promoted autophagy, which was indicated by alterations in the levels of autophagy related proteins, such as increased VPS34 and LC3-II, and decreased p62 and LC3-I. Consistently, GRP78 knockdown suppressed tumor cell autophagy. Our results further demonstrated that GRP78-induced autophagy was mediated by VPS34, and that UPR-associated autophagy was also involved. GRP78-overexpressing cells treated with VPS34 siRNA reversed the autophagy induced by GRP78. Importantly, the expression of microRNA-143 (miR-143) was decreased in GRP78-overexpressing cells, and the increased expression of VPS34 was reversed by treatment with miR-143 mimic. This demonstrated that miR-143 plays a key role in GRP78's mediation of VPS34 expression. In addition, GRP78 acetylation was also involved in the occurrence of autophagy through upregulating VPS34. In turn, high expression of VPS34 promoted GRP78 transcription by modulating the GRP78 transcription factor ATF6. Moreover, VPS34 could enhance GRP78 protein stability by inhibiting GRP78 degradation via the ubiquitin-proteasome pathway. Collectively, the results revealed a positive feedback loop between GRP78 and VPS34 in tumor cells that might be important for autophagy during tumor development.
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Affiliation(s)
- Yingying Wang
- Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Haili Wu
- Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Zongwei Li
- Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Peng Yang
- Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Zhuoyu Li
- Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China.
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18
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Takeda YS, Wang M, Deng P, Xu Q. Synthetic bioreducible lipid-based nanoparticles for miRNA delivery to mesenchymal stem cells to induce neuronal differentiation. Bioeng Transl Med 2016; 1:160-167. [PMID: 29313011 PMCID: PMC5675087 DOI: 10.1002/btm2.10021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/13/2016] [Accepted: 07/15/2016] [Indexed: 12/14/2022] Open
Abstract
MicroRNA (miRNA) functions in tissue regeneration and determines the fate of stem cells. Nanoparticle‐based miRNA delivery systems for therapeutic applications have been studied in clinical settings. However, gene delivery to stem cells is still a challenging issue. Lipid‐like nanoparticles produced using combinatorial approaches have recently been used for delivery of a variety of biologics. In this study, we investigated the ability of these lipids to deliver miRNA to human mesenchymal stem cells (hMSCs). First, small library screening of bioreducible lipids was performed using fluorophore‐conjugated miRNA to determine the optimal chemical structure for miRNA delivery to hMSCs. Next, miRNA‐9 (miR‐9), which promotes neuronal differentiation of stem cells, was delivered to hMSCs using the lipids identified from the library screening. Morphological changes of the cells and upregulation of neuronal marker genes were observed after the delivery of miR‐9. The synthetic bioreducible lipids are effective in facilitating miRNA delivery to hMSCs and promoting the neuronal differentiation.
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Affiliation(s)
- Yuji S Takeda
- Dept. of Biomedical Engineering Tufts University 4 Colby Street Medford MA 02155
| | - Ming Wang
- Dept. of Biomedical Engineering Tufts University 4 Colby Street Medford MA 02155.,Present address: Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Beijing 100190 China, The Chinese Academy of Sciences (CAS)
| | - Pu Deng
- Dept. of Biomedical Engineering Tufts University 4 Colby Street Medford MA 02155
| | - Qiaobing Xu
- Dept. of Biomedical Engineering Tufts University 4 Colby Street Medford MA 02155
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19
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Zhang W, Yao C, Wei Z, Dong Q. miR-128 promoted adipogenic differentiation and inhibited osteogenic differentiation of human mesenchymal stem cells by suppression of VEGF pathway. J Recept Signal Transduct Res 2016; 37:217-223. [PMID: 27485180 DOI: 10.1080/10799893.2016.1212375] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Wen Zhang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Chen Yao
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Zhanying Wei
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Qirong Dong
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
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20
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Shen G, Ren H, Qiu T, Liang D, Xie B, Zhang Z, Yao Z, Yang Z, Jiang X. Implications of the Interaction Between miRNAs and Autophagy in Osteoporosis. Calcif Tissue Int 2016; 99:1-12. [PMID: 26922423 DOI: 10.1007/s00223-016-0122-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 02/15/2016] [Indexed: 01/08/2023]
Abstract
Imbalances between bone formation and resorption are the primary cause of osteoporosis. However, currently, a detailed molecular mechanism of osteoporosis is not available. Autophagy is the conserved process characterized by degrading and recycling aggregated proteins, intracellular pathogens, and damaged organelles. MicroRNAs (miRNAs) are novel regulatory factors that play important roles in numerous cellular processes, including autophagy, through the posttranscriptional regulation of gene expression. Conversely, autophagy plays a role in the regulation of miRNA homeostasis. Recent advances have revealed that both autophagy and miRNAs are involved in the maintenance of bone homoeostasis, whereas the role of the interaction of miRNAs with autophagy in osteoporosis remains unclear. In this paper, we review previous reports on autophagy, miRNAs, and their interaction in osteoporosis.
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Affiliation(s)
- Gengyang Shen
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Hui Ren
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Ting Qiu
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - De Liang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Bo Xie
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zhida Zhang
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zhensong Yao
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zhidong Yang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xiaobing Jiang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
- Laboratory Affiliated to National Key Discipline of Orthopaedic and Traumatology of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
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