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Yu M, Shen M, Chen D, Li Y, Zhou Q, Deng C, Zhou X, Zhang Q, He Q, Wang H, Cong M, Shi H, Gu X, Zhou S, Ding F. Chitosan/PLGA-based tissue engineered nerve grafts with SKP-SC-EVs enhance sciatic nerve regeneration in dogs through miR-30b-5p-mediated regulation of axon growth. Bioact Mater 2024; 40:378-395. [PMID: 38978801 PMCID: PMC11228890 DOI: 10.1016/j.bioactmat.2024.06.011] [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: 03/18/2024] [Revised: 05/22/2024] [Accepted: 06/06/2024] [Indexed: 07/10/2024] Open
Abstract
Extracellular vesicles from skin-derived precursor Schwann cells (SKP-SC-EVs) promote neurite outgrowth in culture and enhance peripheral nerve regeneration in rats. This study aimed at expanding the application of SKP-SC-EVs in nerve grafting by creating a chitosan/PLGA-based, SKP-SC-EVs-containing tissue engineered nerve graft (TENG) to bridge a 40-mm long sciatic nerve defect in dogs. SKP-SC-EVs contained in TENGs significantly accelerated the recovery of hind limb motor and electrophysiological functions, supported the outgrowth and myelination of regenerated axons, and alleviated the denervation-induced atrophy of target muscles in dogs. To clarify the underlying molecular mechanism, we observed that SKP-SC-EVs were rich in a variety of miRNAs linked to the axon growth of neurons, and miR-30b-5p was the most important among others. We further noted that miR-30b-5p contained within SKP-SC-EVs exerted nerve regeneration-promoting effects by targeting the Sin3a/HDAC complex and activating the phosphorylation of ERK, STAT3 or CREB. Our findings suggested that SKP-SC-EVs-incorporating TENGs represent a novel type of bioactive material with potential application for peripheral nerve repair in the clinic.
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Affiliation(s)
- Miaomei Yu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, 213003, China
| | - Mi Shen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Daiyue Chen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Yan Li
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Qiang Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Chunyan Deng
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Xinyang Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Qi Zhang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Qianru He
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Hongkui Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Meng Cong
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Haiyan Shi
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, 226001, China
| | - Xiaosong Gu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Songlin Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
| | - Fei Ding
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu, 226001, China
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Xiao CL, Lai HT, Zhou JJ, Liu WY, Zhao M, Zhao K. Nrf2 Signaling Pathway: Focus on Oxidative Stress in Spinal Cord Injury. Mol Neurobiol 2024:10.1007/s12035-024-04394-z. [PMID: 39093381 DOI: 10.1007/s12035-024-04394-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 07/22/2024] [Indexed: 08/04/2024]
Abstract
Spinal cord injury (SCI) is a serious, disabling injury to the central nervous system that can lead to motor, sensory, and autonomic dysfunction below the injury plane. SCI can be divided into primary injury and secondary injury according to its pathophysiological process. Primary injury is irreversible in most cases, while secondary injury is a dynamic regulatory process. Secondary injury involves a series of pathological events, such as ischemia, oxidative stress, inflammatory events, apoptotic pathways, and motor dysfunction. Among them, oxidative stress is an important pathological event of secondary injury. Oxidative stress causes a series of destructive events such as lipid peroxidation, DNA damage, inflammation, and cell death, which further worsens the microenvironment of the injured site and leads to neurological dysfunction. The nuclear factor erythrocyte 2-associated factor 2 (Nrf2) is considered to be a key pathway of antioxidative stress and is closely related to the pathological process of SCI. Activation of this pathway can effectively inhibit the oxidative stress process and promote the recovery of nerve function after SCI. Therefore, the Nrf2 pathway may be a potential therapeutic target for SCI. This review deeply analyzed the generation of oxidative stress in SCI, the role and mechanism of Nrf2 as the main regulator of antioxidant stress in SCI, and the influence of cross-talk between Nrf2 and related pathways that may be involved in the pathological regulation of SCI on oxidative stress, and summarized the drugs and other treatment methods based on Nrf2 pathway regulation. The objective of this paper is to provide evidence for the role of Nrf2 activation in SCI and to highlight the important role of Nrf2 in alleviating SCI by elucidating the mechanism, so as to provide a theoretical basis for targeting Nrf2 pathway as a therapy for SCI.
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Affiliation(s)
- Chun-Lin Xiao
- Gannan Medical University, 1 Harmony Avenue, Rongjiang New District, Ganzhou, Jiangxi Province, 341000, People's Republic of China
- Department of Orthopaedics, Frist Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi Province, 341000, People's Republic of China
| | - Hong-Tong Lai
- Gannan Medical University, 1 Harmony Avenue, Rongjiang New District, Ganzhou, Jiangxi Province, 341000, People's Republic of China
- Department of Orthopaedics, Frist Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi Province, 341000, People's Republic of China
| | - Jiang-Jun Zhou
- Hospital 908, Joint Logistics Support Force, 1028 Jinggangshan Avenue, Qingyunpu District, Nanchang City, Jiangxi Province, 330001, People's Republic of China
| | - Wu-Yang Liu
- Gannan Medical University, 1 Harmony Avenue, Rongjiang New District, Ganzhou, Jiangxi Province, 341000, People's Republic of China
- Department of Orthopaedics, Frist Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi Province, 341000, People's Republic of China
| | - Min Zhao
- Department of Spine Surgery, Yingtan People's Hospital, 116 Shengli West Road, Yuehu District, Yingtan City, Jiangxi Province, 335000, People's Republic of China.
| | - Kai Zhao
- Gannan Medical University, 1 Harmony Avenue, Rongjiang New District, Ganzhou, Jiangxi Province, 341000, People's Republic of China.
- Department of Orthopaedics, Frist Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi Province, 341000, People's Republic of China.
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Yao Q, He L, Bao C, Yan X, Ao J. The role of TNF-α in osteoporosis, bone repair and inflammatory bone diseases: A review. Tissue Cell 2024; 89:102422. [PMID: 39003912 DOI: 10.1016/j.tice.2024.102422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 05/17/2024] [Accepted: 05/23/2024] [Indexed: 07/16/2024]
Abstract
Tumour necrosis factor alpha (TNF-α) is a pleiotropic cytokine synthesised primarily by mononuclear cells; it has a potent pro-inflammatory effect, playing a crucial role in metabolic, immune, and inflammatory diseases. This cytokine has been studied in various biological systems. In bone tissue, TNF-α plays an integral role in skeletal disorders such as osteoporosis, fracture repair and rheumatoid arthritis through its involvement in regulating the balance between osteoblasts and osteoclasts, mediating inflammatory responses, promoting angiogenesis and exacerbating synovial proliferation. The biological effect TNF-α exerts in this context is determined by a combination of the signalling pathway it activates, the type of receptor it binds, and the concentration and duration of exposure. This review summarises the participation and pathophysiological role of TNF-α in osteoporosis, bone damage repair, chronic immunoinflammatory bone disease and spinal cord injury, and discusses its main mechanisms.
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Affiliation(s)
| | - Li He
- Affiliated Hospital of Zunyi Medical University, China.
| | | | - Xuhang Yan
- Affiliated Hospital of Zunyi Medical University, China.
| | - Jun Ao
- Affiliated Hospital of Zunyi Medical University, China.
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Kura B, Pavelkova P, Kalocayova B, Pobijakova M, Slezak J. MicroRNAs as Regulators of Radiation-Induced Oxidative Stress. Curr Issues Mol Biol 2024; 46:7097-7113. [PMID: 39057064 PMCID: PMC11276491 DOI: 10.3390/cimb46070423] [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: 06/05/2024] [Revised: 06/28/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
microRNAs (miRNAs) represent small RNA molecules involved in the regulation of gene expression. They are implicated in the regulation of diverse cellular processes ranging from cellular homeostasis to stress responses. Unintended irradiation of the cells and tissues, e.g., during medical uses, induces various pathological conditions, including oxidative stress. miRNAs may regulate the expression of transcription factors (e.g., nuclear factor erythroid 2 related factor 2 (Nrf2), nuclear factor kappa B (NF-κB), tumor suppressor protein p53) and other redox-sensitive genes (e.g., mitogen-activated protein kinase (MAPKs), sirtuins (SIRTs)), which trigger and modulate cellular redox signaling. During irradiation, miRNAs mainly act with reactive oxygen species (ROS) to regulate the cell fate. Depending on the pathway involved and the extent of oxidative stress, this may lead to cell survival or cell death. In the context of radiation-induced oxidative stress, miRNA-21 and miRNA-34a are among the best-studied miRNAs. miRNA-21 has been shown to directly target superoxide dismutase (SOD), or NF-κB, whereas miRNA-34a is a direct regulator of NADPH oxidase (NOX), SIRT1, or p53. Understanding the mechanisms underlying radiation-induced injury including the involvement of redox-responsive miRNAs may help to develop novel approaches for modulating the cellular response to radiation exposure.
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Affiliation(s)
- Branislav Kura
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dubravska Cesta 9, 841 04 Bratislava, Slovakia; (P.P.); (B.K.); (J.S.)
| | - Patricia Pavelkova
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dubravska Cesta 9, 841 04 Bratislava, Slovakia; (P.P.); (B.K.); (J.S.)
| | - Barbora Kalocayova
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dubravska Cesta 9, 841 04 Bratislava, Slovakia; (P.P.); (B.K.); (J.S.)
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University, 832 32 Bratislava, Slovakia
| | - Margita Pobijakova
- Department of Radiation Oncology, Bory Hospital–Penta Hospitals, 841 03 Bratislava, Slovakia;
- Radiological Science, Faculty of Nursing and Medical Professional Studies, Slovak Medical University, 831 01 Bratislava, Slovakia
| | - Jan Slezak
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dubravska Cesta 9, 841 04 Bratislava, Slovakia; (P.P.); (B.K.); (J.S.)
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Dong Q, Fu H, Jiang H. The role of exosome-shuttled miRNAs in heavy metal-induced peripheral tissues and neuroinflammation in Alzheimer's disease. Biomed Pharmacother 2024; 176:116880. [PMID: 38850652 DOI: 10.1016/j.biopha.2024.116880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/11/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024] Open
Abstract
Heavy metal-induced neuroinflammation is a significant pathophysiologic mechanism in Alzheimer's disease (AD). Microglia-mediated neuroinflammation plays a crucial role in the pathogenesis of AD. Multiple miRNAs are differentially expressed in peripheral tissues after heavy metal exposure, and increasing evidence suggests that they are involved in AD progression by regulating microglial homeostasis. Exosomes, which are capable of loading miRNAs and crossing the bloodbrain barrier, serve as mediators of communication between peripheral tissues and the brain. In this review, we summarize the current evidence on the link between miRNAs in peripheral tissues and neuroinflammation in AD after heavy metal exposure and propose a role for miRNAs in the microglial neurodegenerative phenotype (MGnD) of AD. This study will help to elucidate the link between peripheral tissue damage and MGnD-mediated neuroinflammation in AD after heavy metal exposure. Additionally, we summarize the regulatory effects of natural compounds on peripheral tissue-derived miRNAs, which could be potential therapeutic targets for natural compounds to regulate peripheral tissue-derived exosomal miRNAs to ameliorate heavy metal-induced MGnD-mediated neuroinflammation in patients with AD after heavy metal exposure.
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Affiliation(s)
- Qing Dong
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China.
| | - Huanyong Fu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China.
| | - Hong Jiang
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China; The Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic, Shenyang, Liaoning 110122, China; Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China.
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Huang S, Zhang Y, Shu H, Liu W, Zhou X, Zhou X. Advances of the MAPK pathway in the treatment of spinal cord injury. CNS Neurosci Ther 2024; 30:e14807. [PMID: 38887853 PMCID: PMC11183187 DOI: 10.1111/cns.14807] [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: 02/05/2024] [Revised: 04/23/2024] [Accepted: 05/27/2024] [Indexed: 06/20/2024] Open
Abstract
Spinal cord injury (SCI) represents a complex pathology within the central nervous system (CNS), leading to severe sensory and motor impairments. It activates various signaling pathways, notably the mitogen-activated protein kinase (MAPK) pathway. Present treatment approaches primarily focus on symptomatic relief, lacking efficacy in addressing the underlying pathophysiological mechanisms. Emerging research underscores the significance of the MAPK pathway in neuronal differentiation, growth, survival, axonal regeneration, and inflammatory responses post-SCI. Modulating this pathway post-injury has shown promise in attenuating inflammation, minimizing apoptosis, alleviating neuropathic pain, and fostering neural regeneration. Given its pivotal role, the MAPK pathway emerges as a potential therapeutic target in SCI management. This review synthesizes current knowledge on SCI pathology, delineates the MAPK pathway's characteristics, and explores its dual roles in SCI pathology and therapeutic interventions. Furthermore, it addresses the existing challenges in MAPK research in the context of SCI, proposing solutions to overcome these hurdles. Our aim is to offer a comprehensive reference for future research on the MAPK pathway and SCI, laying the groundwork for targeted therapeutic strategies.
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Affiliation(s)
- Shixue Huang
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Yinuo Zhang
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Haoming Shu
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Wei Liu
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Xin Zhou
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Xuhui Zhou
- Department of Orthopedics, Changzheng HospitalSecond Affiliated Hospital of Naval Medical UniversityShanghaiChina
- Translational Research Centre of Orthopedics, Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
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Chen HP, Han X, Sun HP, Xie T, Fan XL. Genomic nursing science revealed the prolyl 4-hydroxylase subunit alpha 2 as a significant biomarker involved in osteosarcoma. Heliyon 2024; 10:e27191. [PMID: 38468936 PMCID: PMC10926143 DOI: 10.1016/j.heliyon.2024.e27191] [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: 08/31/2023] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
Backgrounds This study aims to explore the clinical value of P4HA2 (prolyl 4-hydroxylase subunit alpha 2) in Osteosarcoma (OSC), and assess its potential to provide directions and clues for the practice of precision nursing. Methods The GSE73166 and GSE16088 datasets were used to explore the P4HA2 expression in OSC. We then used the clinical data of patients obtaining from TARGET database to assess the prognostic value of P4HA2 in OSC. We also evaluated the predictive value of prognostic model based on P4HA2-related genes. Further, GSEA analysis was performed to explore related pathways. Results The P4HA2 mRNA expression was higher in OSC than that in normal tissues and other bone cancer samples. Survival analysis found that P4HA2 high expression caused poor overall survival (OS) of patients with OSC and P4HA2 presented a favorable performance for predicting OS. Specifically, P4HA2 high expression statistically influenced the OS of patients with age≥15 years old and those with or without metastasis. Cox regression analysis indicated the independent prognostic value of P4HA2 in OSC, and nomogram analysis revealed its significant contribution to the survival probability of patients. We further established a prognostic model based on P4HA2-related genes, finding that prognostic model had a good prediction ability on OS. These results supported the clinical significance of P4HA2 in OSC. GSEA analysis suggested that P4HA2 was significantly related to the MAPK signaling pathway. In addition, P4HA2-associated natural killer cell-mediated cytotoxicity and T cell receptor signaling pathway were also predicted. Conclusions This study revealed that P4HA2 can serve as an important prognostic biomarker for OSC patients, and it may become a promising therapeutic target in OSC treatment.
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Affiliation(s)
- Hua-Ping Chen
- Orthopedics, Affiliated Hangzhou First People's Hospital , School Of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Xiao Han
- Orthopedics, Affiliated Hangzhou First People's Hospital , School Of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Hui-Ping Sun
- Orthopedics, Affiliated Hangzhou First People's Hospital , School Of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Tao Xie
- Orthopedics, Affiliated Hangzhou First People's Hospital , School Of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Xiao-Liang Fan
- Orthopedics, Affiliated Hangzhou First People's Hospital , School Of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
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Ding LLQ, Hu SF, He XW, Zhang P, Zhao FF, Cheng LH, Huang BL, Liu TP, Zhang Q, He F, Hu SS, Zhang YJ, Yu Y, Xiong P, Wang CK. Warm acupuncture therapy alleviates neuronal apoptosis after spinal cord injury via inhibition of the ERK signaling pathway. J Spinal Cord Med 2023; 46:798-806. [PMID: 35792817 PMCID: PMC10446778 DOI: 10.1080/10790268.2022.2088498] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
PURPOSE Warm acupuncture (WA) therapy has been applied to treat spinal cord injury (SCI), but the underlying mechanism is unclear. The current study attempted to explore the WA therapy on neuronal apoptosis of SCI and the relationship with the extracellular signal-regulated kinase (ERK) signaling pathway. METHODS The rat SCI models were established by the impact method. SCI rat models were subjected to WA treatment at Dazhui (GV14) and Jiaji points (T10), Yaoyangguan (GV3), Zusanli (ST36), and Ciliao (BL32). The rat SCI models were established by the impact method. WA and U0126 treatments were performed on the SCI rats. Motor function and neuronal apoptosis were detected. The relative mRNA of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6), the phosphorylation level of ERK 1/2 and levels of B-cell lymphoma-2 (Bcl-2), BCL2-Associated X (Bax), and caspase-3 in spinal cord tissue were tested. RESULTS After WA treatment, the Basso, Beattie & Bresnahan locomotor rating scale (BBB scale) of SCI rats in the WA treatment was significantly raised from 7 to 14 days after SCI. WA and U0126 treatment significantly diminished apoptotic cells and preserved the neurons in the injured spinal cord. WA and U0126 treatment alleviated the production of inflammatory cytokines in the spinal cord. The distinct increase of p-ERK 1/2 induced by SCI was reversed in WA and U0126 treatment groups. WA and U0126 treatment augmented the level of Bcl-2 and reversed the elevated cleaved caspase-3 protein level after SCI. CONCLUSION Our study demonstrated that WA might be associated with the downregulation of the ERK signaling pathway. In summary, our findings indicated that WA promotes the recovery of SCI via the protection of nerve cells and the prevention of apoptosis. Meanwhile, the anti-apoptotic effect of WA might be associated with the downregulation of the ERK signaling pathway, which could be one of the mechanisms of WA in the treatment of SCI.
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Affiliation(s)
- Li-Li-Qiang Ding
- Department of Cardiovascular Medicine, Department of Hypertension, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Song-Feng Hu
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Xing-Wei He
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Peng Zhang
- Department of Acupuncture, The Second Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Fen-Fen Zhao
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Li-Hong Cheng
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Bing-Lin Huang
- Department of Ophthalmology, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Ting-Ping Liu
- Graduate School, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Qin Zhang
- Graduate School, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Fan He
- Graduate School, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Sha-Sha Hu
- Graduate School, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Ya-Jing Zhang
- Graduate School, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Ying Yu
- Department of Rehabilitation, The Second Affiliated Hospital of Nanchang University, NanchangPeople’s Republic of China
| | - Peng Xiong
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Chang-Kang Wang
- Department of Acupuncture, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
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Mohammadinasr M, Montazersaheb S, Molavi O, Kahroba H, Talebi M, Ayromlou H, Hejazi MS. Multiplex Analysis of Cerebrospinal Fluid and Serum Exosomes MicroRNAs of Untreated Relapsing Remitting Multiple Sclerosis (RRMS) and Proposing Noninvasive Diagnostic Biomarkers. Neuromolecular Med 2023; 25:402-414. [PMID: 37020076 DOI: 10.1007/s12017-023-08744-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 03/19/2023] [Indexed: 04/07/2023]
Abstract
Exosomal microRNAs (miRNAs) are emerging diagnostic biomarkers for neurodegenerative diseases. In this study, we aimed to detect relapsing-remitting multiple sclerosis (RRMS)-specific miRNAs in cerebrospinal fluid (CSF) and serum exosomes with diagnostic potential. One ml of CSF and serum sample were collected from each of the 30 untreated RRMS patients and healthy controls (HCs). A panel of 18 miRNAs affecting inflammatory responses was applied, and qRT-PCR was conducted to detect differentially expressed exosomal miRNAs in CSF and serum of RRMS patients. We identified that 17 out of 18 miRNAs displayed different patterns in RRMS patients compared to HCs. Let-7 g-5p, miR-18a-5p, miR-145-5p, and miR-374a-5p with dual pro-inflammatory and anti-inflammatory actions and miR-150-5p and miR-342-3p with anti-inflammatory action were significantly upregulated in both CSF and serum-derived exosomes of RRMS patients compared to corresponding HCs. Additionally, anti-inflammatory miR-132-5p and pro-inflammatory miR-320a-5p were significantly downregulated in both CSF and serum-derived exosomes of RRMS patients compared to HCs. Ten of 18 miRNAs were differentially expressed in CSF and serum exosomes of the patients. Furthermore, miR-15a-5p, miR-19b-3p, and miR-432-5p were upregulated, and miR-17-5p was downregulated only in CSF exosomes. Interestingly, U6 housekeeping gene was differentially expressed in CSF and serum exosomes, in both RRMS and HCs. As the first report describing CSF exosomal miRNAs expression profile compared to that of serum exosomes in untreated RRMS patients, we showed that CSF and serum exosomes are not identical in terms of biological compounds and display different patterns in miRNAs and U6 expression.
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Affiliation(s)
- Mina Mohammadinasr
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soheila Montazersaheb
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ommoleila Molavi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Houman Kahroba
- Department of Toxicogenomics, GROW School of Oncology and Development Biology, Maastricht University, Maastricht, The Netherlands
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Mahnaz Talebi
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hormoz Ayromlou
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Saeid Hejazi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
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10
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Mo H, Yu H, Jiang Z, Chen Y, Yao M, Liu K, Li Y, Yu J, Wang L. Molecular cloning, tissues distribution, and function analysis of thioredoxin-like protein-1 (TXNL1) in Chinese giant salamanders Andrias davidianus. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 144:104691. [PMID: 36967023 DOI: 10.1016/j.dci.2023.104691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/23/2023] [Accepted: 03/22/2023] [Indexed: 06/05/2023]
Abstract
Thioredoxin-like protein-1 (TXNL1) is the member of thioredoxin superfamily, a family of thiol oxidoreductases. TXNL1 plays an important role in scavenging ROS and the maintenance of cellular redox balance. However, its physiological functions in Andrias davidianus have not been well understood. In the present study, the full-length cDNA encoding thioredoxin-like protein-1 (AdTXNL1) of A. davidianus was cloned, the mRNA tissue distribution was analyzed, and the function was characterized. The Adtxnl1 cDNA contained an open reading frame (ORF) of 870 bp encoding a polypeptide of 289 amino acids with the N-terminal TRX domain, a Cys34-Ala35-Pro36-Cys37 (CAPC) motif, and the C-terminal proteasome-interacting thioredoxin domain (PITH). The mRNA of AdTXNL1 was expressed in a wide range of tissues, with the highest level in the liver. The transcript level of AdTXNL1 was significantly up-regulated post Aeromonas hydrophila challenge in liver tissue. Moreover, the recombinant AdTXNL1 protein was produced and purified, and used to investigate the antioxidant activity. In the insulin disulfide reduction assay, rAdTXNL1 exhibited strong antioxidant capability. Altogether, the thioredoxin-like protein-1 may be involved in reduction/oxidation (redox) balance and as an important immunological gene in A. davidianus.
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Affiliation(s)
- Haolin Mo
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Huixia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Zebin Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yongqing Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Mingxing Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Kexin Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Jiajia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Lixin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
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11
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miRNome and Proteome Profiling of Human Keratinocytes and Adipose Derived Stem Cells Proposed miRNA-Mediated Regulations of Epidermal Growth Factor and Interleukin 1-Alpha. Int J Mol Sci 2023; 24:ijms24054956. [PMID: 36902387 PMCID: PMC10002856 DOI: 10.3390/ijms24054956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/13/2023] [Accepted: 02/18/2023] [Indexed: 03/08/2023] Open
Abstract
Wound healing is regulated by complex crosstalk between keratinocytes and other cell types, including stem cells. In this study, a 7-day direct co-culture model of human keratinocytes and adipose-derived stem cells (ADSCs) was proposed to study the interaction between the two cell types, in order to identify regulators of ADSCs differentiation toward the epidermal lineage. As major mediators of cell communication, miRNome and proteome profiles in cell lysates of cultured human keratinocytes and ADSCs were explored through experimental and computational analyses. GeneChip® miRNA microarray, identified 378 differentially expressed miRNAs; of these, 114 miRNAs were upregulated and 264 miRNAs were downregulated in keratinocytes. According to miRNA target prediction databases and the Expression Atlas database, 109 skin-related genes were obtained. Pathway enrichment analysis revealed 14 pathways including vesicle-mediated transport, signaling by interleukin, and others. Proteome profiling showed a significant upregulation of the epidermal growth factor (EGF) and Interleukin 1-alpha (IL-1α) compared to ADSCs. Integrated analysis through cross-matching the differentially expressed miRNA and proteins suggested two potential pathways for regulations of epidermal differentiation; the first is EGF-based through the downregulation of miR-485-5p and miR-6765-5p and/or the upregulation of miR-4459. The second is mediated by IL-1α overexpression through four isomers of miR-30-5p and miR-181a-5p.
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12
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Kodali M, Madhu LN, Reger RL, Milutinovic B, Upadhya R, Gonzalez JJ, Attaluri S, Shuai B, Gitai DLG, Rao S, Choi JM, Jung SY, Shetty AK. Intranasally administered human MSC-derived extracellular vesicles inhibit NLRP3-p38/MAPK signaling after TBI and prevent chronic brain dysfunction. Brain Behav Immun 2023; 108:118-134. [PMID: 36427808 PMCID: PMC9974012 DOI: 10.1016/j.bbi.2022.11.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 10/21/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
Traumatic brain injury (TBI) leads to lasting brain dysfunction with chronic neuroinflammation typified by nucleotide-binding domain leucine-rich repeat and pyrin domain-containing receptor 3 (NLRP3) inflammasome activation in microglia. This study probed whether a single intranasal (IN) administration of human mesenchymal stem cell-derived extracellular vesicles (hMSC-EVs) naturally enriched with activated microglia-modulating miRNAs can avert chronic adverse outcomes of TBI. Small RNA sequencing confirmed the enrichment of miRNAs capable of modulating activated microglia in hMSC-EV cargo. IN administration of hMSC-EVs into adult mice ninety minutes after the induction of a unilateral controlled cortical impact injury resulted in their incorporation into neurons and microglia in both injured and contralateral hemispheres. A single higher dose hMSC-EV treatment also inhibited NLRP3 inflammasome activation after TBI, evidenced by reduced NLRP3, apoptosis-associated speck-like protein containing a CARD, activated caspase-1, interleukin-1 beta, and IL-18 levels in the injured brain. Such inhibition in the acute phase of TBI endured in the chronic phase, which could also be gleaned from diminished NLRP3 inflammasome activation in microglia of TBI mice receiving hMSC-EVs. Proteomic analysis and validation revealed that higher dose hMSC-EV treatment thwarted the chronic activation of the p38 mitogen-activated protein kinase (MAPK) signaling pathway by IL-18, which decreased the release of proinflammatory cytokines. Inhibition of the chronic activation of NLRP3-p38/MAPK signaling after TBI also prevented long-term cognitive and mood impairments. Notably, the animals receiving higher doses of hMSC-EVs after TBI displayed better cognitive and mood function in all behavioral tests than animals receiving the vehicle after TBI. A lower dose of hMSC-EV treatment also partially improved cognitive and mood function. Thus, an optimal IN dose of hMSC-EVs naturally enriched with activated microglia-modulating miRNAs can inhibit the chronic activation of NLRP3-p38/MAPK signaling after TBI and prevent lasting brain dysfunction.
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Affiliation(s)
- Maheedhar Kodali
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Leelavathi N Madhu
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Roxanne L Reger
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Bojana Milutinovic
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Raghavendra Upadhya
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Jenny J Gonzalez
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Sahithi Attaluri
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Bing Shuai
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Daniel L G Gitai
- Institute of Biological Sciences and Health, Federal University of Alagoas, Brazil
| | - Shama Rao
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA
| | - Jong M Choi
- Advanced Technology Core, Mass Spectrometry and Proteomics Core, Baylor College of Medicine, Houston, TX, USA
| | - Sung Y Jung
- The Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Ashok K Shetty
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University School of Medicine, College Station, TX, USA.
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13
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Kim JE, Yang SJ. miR-30a-5p Augments the Anti-inflammatory Effects of Dexmedetomidine in LPS-induced BV2 Cells. KOREAN JOURNAL OF CLINICAL LABORATORY SCIENCE 2022. [DOI: 10.15324/kjcls.2022.54.3.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Ji-Eun Kim
- Department of Biomedical Laboratory Science, Konyang University, Daejeon, Korea
| | - Seung-Ju Yang
- Department of Biomedical Laboratory Science, Konyang University, Daejeon, Korea
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14
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Choi HR, Ha JS, Kim EA, Cho SW, Yang SJ. MiR-30a-5p and miR-153-3p regulate LPS-induced neuroinflammatory response and neuronal apoptosis by targeting NeuroD1. BMB Rep 2022; 55:447-452. [PMID: 35651331 PMCID: PMC9537026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 03/08/2024] Open
Abstract
Neurogenic differentiation 1 (NeuroD1) is an essential transcription factor for neuronal differentiation, maturation, and survival, and is associated with inflammation in lipopolysaccharide (LPS)- induced glial cells; however, the concrete mechanisms are still ambiguous. Therefore, we investigated whether NeuroD1-targeting miRNAs affect inflammation and neuronal apoptosis, as well as the underlying mechanism. First, we confirmed that miR-30a-5p and miR-153-3p, which target NeuroD1, reduced NeuroD1 expression in microglia and astrocytes. In LPS-induced microglia, miR-30a-5p and miR-153-3p suppressed pro-inflammatory cytokines, reactive oxygen species, the phosphorylation of c-Jun N-terminal kinase, extracellular-signal-regulated kinase (ERK), and p38, and the expression of cyclooxygenase and inducible nitric oxide synthase (iNOS) via the NF-κB pathway. Moreover, miR-30a-5p and miR-153-3p inhibited the expression of NOD-like receptor pyrin domain containing 3 (NLRP3) inflammasomes, NLRP3, cleaved caspase-1, and IL-1β, which are involved in the innate immune response. In LPS-induced astrocytes, miR-30a-5p and miR-153-3p reduced ERK phosphorylation and iNOS expression via the STAT-3 pathway. Notably, miR-30a-5p exerted greater anti-inflammatory effects than miR-153-3p. Together, these results indicate that miR-30a-5p and miR-153-3p inhibit MAPK/NF-κB pathway in microglia as well as ERK/STAT-3 pathway in astrocytes to reduce LPS-induced neuronal apoptosis. This study highlights the importance of NeuroD1 in microglia and astrocytes neuroinflammation and suggests that it can be regulated by miR-30a-5p and miR-153-3p. [BMB Reports 2022; 55(9): 447-452].
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Affiliation(s)
- Hye-Rim Choi
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
| | - Ji Sun Ha
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
| | - Eun-A Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sung-Woo Cho
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Seung-Ju Yang
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
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15
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Winter E, Cisilotto J, Goetten ALF, Veiga Â, Ramos AT, Zimermann FC, Reck C, Creczynski-Pasa TB. MicroRNAs as serum biomarker for Senecio brasiliensis poisoning in cattle. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 94:103906. [PMID: 35697189 DOI: 10.1016/j.etap.2022.103906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/12/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Senecio spp. is one of the most frequent plant-related poisonings in cattle. Its ingestion generates the disease seneciosis, characterized by hepatic damages. Liver biopsies and serum markers dosage are tools used in diagnosis; however, many breeding cattle are undiagnosed. MicroRNAs are non-coding RNA, stable in biological fluids. Their difference in expression levels may indicate the presence of the poisoning. We analyzed the miRNA profiling to identify potential diagnostic biomarkers for Senecio brasiliensis poisoning. The expression of miR-21, miR-885, miR-122, miR-181b, miR-30a, miR-378, and let-7 f were evaluated in the serum of exposed cattle. At least one histological change was found in liver and lower quantity of albumin and high AST and ALP were also detected. MiRNAs miR-30a, miR-378, miR-21, miR-885, and miR-122 presented significantly higher expression in intoxicated animals than in healthy animals. Furthermore, miR-122, miR-885, and, especially, miR-21 signatures demonstrated high sensitivity and specificity, with potential application for detecting poisoning.
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Affiliation(s)
- Evelyn Winter
- Department of Agriculture, Biodiversity and Forest, Postgraduate Program in Conventional and Integrative Veterinary Medicine, Curitibanos, SC 89520-000, Brazil.
| | - Julia Cisilotto
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - André L F Goetten
- Department of Agriculture, Biodiversity and Forest, Postgraduate Program in Conventional and Integrative Veterinary Medicine, Curitibanos, SC 89520-000, Brazil
| | - Ângela Veiga
- Department of Agriculture, Biodiversity and Forest, Postgraduate Program in Conventional and Integrative Veterinary Medicine, Curitibanos, SC 89520-000, Brazil
| | - Adriano T Ramos
- Department of Agriculture, Biodiversity and Forest, Postgraduate Program in Conventional and Integrative Veterinary Medicine, Curitibanos, SC 89520-000, Brazil
| | - Francielli C Zimermann
- Department of Agriculture, Biodiversity and Forest, Postgraduate Program in Conventional and Integrative Veterinary Medicine, Curitibanos, SC 89520-000, Brazil
| | - Carolina Reck
- VERTÁ, Laboratory of Veterinary Diagnostic, Institute of Veterinary Research and Diagnostic, Curitibanos, SC 89520-000, Brazil
| | - Tânia B Creczynski-Pasa
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
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16
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Xu M, Ye J, Wang Y, Chu K, Péré M, Xu M, Tang X, Fu J. Vitamin E performs antioxidant effect via PAP retrograde signaling pathway in Nile tilapia (Oreochromis niloticus). FISH & SHELLFISH IMMUNOLOGY 2022; 127:918-924. [PMID: 35863536 DOI: 10.1016/j.fsi.2022.07.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/04/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
PAP (3'-phosphoadenosine 5'-phosphate) is a ubiquitous phosphoric acid and a natural inhibitor of the XRN (5'-3'exoribonuclease) family. It was proved to enter the nucleus through the retrograde signaling pathway and inhibit XRN2 to prevent the degradation of miRNA precursors, thus promoting the anti-oxidation miRNA level in Arabidopsis thaliana. Vitamin E (tocopherol) was proved to promote the accumulation of PAP in the plant, which facilitates PAP into the nucleus to accomplish its antioxidant function. However, the relationship between VE and PAP in animals is unclear. To identify the relationship between VE and PAP and to uncover the function of PAP in fish, we investigated the performance of VE and PAP in Nile tilapia by comparing the antioxidant indicators (SOD, GSH-Px, and CAT), the Keap1-Nrf2 signaling pathway, and the miRNA expression profiles. Results showed that the antioxidant effect of VE and PAP showed similar character either in tilapia liver or in serum: the activities of GSH-Px and CAT of both groups were significantly increased (P < 0.05); the SOD activity of the VE group was significantly increased (P < 0.05), and although the result of the PAP group was not so significant (P > 0.05), PAP improved the SOD level, too. The two groups also showed similar character in the tilapia liver; both did not significantly increase the liver δ-VE content (P > 0.05). However, VE significantly increased the content of α-VE and γ-VE (P < 0.05), while the PAP group was insignificant (P > 0.05). Feed with VE and intraperitoneal injection of PAPs reagent both increased the PAP content in the liver of tilapia, and the effect of the VE group was more significant (P < 0.05) than that of the PAP group (P > 0.05). Both groups reduced the expression of Keap1 and Cullin3 genes and improved the level of HO-1 gene expression, with the improved miRNA level of Nrf2. As a logical result, they decreased the expression of XRN1 and XRN2. By profile sequencing, we further identified some antioxidant closely related miRNAs shared in the VE and PAP groups, including miR-30, miR-24, miR-19b, and miR-100. By comparing the regulating mechanism of VE and PAP of feed supply and intraperitoneal injection, we proved that VE and PAP were closely related in fish; VE promoted the gathering of PAP. The latter retrograded into the nucleus of the fish liver to inhibit the expression of XRN genes and to up-regulate antioxidant miRNA levels as it does in plants. Only the PAP can accomplish the antioxidant activities, while VE promotes the process. Our study laid the foundation for the application of PAP as a new antioxidant agent in fish farming and benefit a further understanding of the VE antioxidant function in fish.
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Affiliation(s)
- Minjun Xu
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; Guangdong Modern Agricultural (Quality and Safety of Aquatic Products) Industrial Technology R&D Center, Guangzhou, 510642, China
| | - Jiawei Ye
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Yujie Wang
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Kejie Chu
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Maxime Péré
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Minjie Xu
- Guangdong Modern Agricultural (Quality and Safety of Aquatic Products) Industrial Technology R&D Center, Guangzhou, 510642, China
| | - Xuelian Tang
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Jinghua Fu
- Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
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17
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The Role of Non-Coding RNAs in the Pathogenesis of Parkinson’s Disease: Recent Advancement. Pharmaceuticals (Basel) 2022; 15:ph15070811. [PMID: 35890110 PMCID: PMC9315906 DOI: 10.3390/ph15070811] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/19/2022] [Accepted: 06/21/2022] [Indexed: 01/27/2023] Open
Abstract
Parkinson’s disease (PD) is a prevalent neurodegenerative aging disorder that manifests as motor and non-motor symptoms, and its etiopathogenesis is influenced by non-coding RNAs (ncRNAs). Signal pathway and gene sequence studies have proposed that alteration of ncRNAs is relevant to the occurrence and development of PD. Furthermore, many studies on brain tissues and body fluids from patients with PD indicate that variations in ncRNAs and their target genes could trigger or exacerbate neurodegenerative pathogenesis and serve as potential non-invasive biomarkers of PD. Numerous ncRNAs have been considered regulators of apoptosis, α-syn misfolding and aggregation, mitochondrial dysfunction, autophagy, and neuroinflammation in PD etiology, and evidence is mounting for the determination of the role of competing endogenous RNA (ceRNA) mechanisms in disease development. In this review, we discuss the current knowledge regarding the regulation and function of ncRNAs as well as ceRNA networks in PD pathogenesis, focusing on microRNAs, long ncRNAs, and circular RNAs to increase the understanding of the disease and propose potential target identification and treatment in the early stages of PD.
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18
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Xu X, Zhang Y. Regulation of Oxidative Stress by Long Non-coding RNAs in Central Nervous System Disorders. Front Mol Neurosci 2022; 15:931704. [PMID: 35782387 PMCID: PMC9241987 DOI: 10.3389/fnmol.2022.931704] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/24/2022] [Indexed: 11/13/2022] Open
Abstract
Central nervous system (CNS) disorders, such as ischemic stroke, Alzheimer’s disease, Parkinson’s disease, spinal cord injury, glioma, and epilepsy, involve oxidative stress and neuronal apoptosis, often leading to long-term disability or death. Emerging studies suggest that oxidative stress may induce epigenetic modifications that contribute to CNS disorders. Non-coding RNAs are epigenetic regulators involved in CNS disorders and have attracted extensive attention. Long non-coding RNAs (lncRNAs) are non-coding RNAs more than 200 nucleotides long and have no protein-coding function. However, these molecules exert regulatory functions at the transcriptional, post-transcriptional, and epigenetic levels. However, the major role of lncRNAs in the pathophysiology of CNS disorders, especially related to oxidative stress, remains unclear. Here, we review the molecular functions of lncRNAs in oxidative stress and highlight lncRNAs that exert positive or negative roles in oxidation/antioxidant systems. This review provides novel insights into the therapeutic potential of lncRNAs that mediate oxidative stress in CNS disorders.
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Affiliation(s)
- Xiaoman Xu
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi Zhang
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Yi Zhang,
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19
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Study on the Function and Mechanism of miR-585-3p Inhibiting the Progression of Ovarian Cancer Cells by Targeting FSCN1 to Block the MAPK Signaling Pathway. Anal Cell Pathol (Amst) 2022; 2022:1732365. [PMID: 35602576 PMCID: PMC9122712 DOI: 10.1155/2022/1732365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/22/2022] [Accepted: 04/09/2022] [Indexed: 11/17/2022] Open
Abstract
Ovarian cancer (OC) is the leading cause of death for women diagnosed with gynecological cancer. Studies have shown that dysregulated miRNA expression is related to various cancers, including OC. Here, we aimed to explore the biological function and mechanism of miR-585-3p in the occurrence and development of OC. The expression level of miR-585-3p was found to be low in OC tissues and cells. We analyzed the biological function of miR-585-3p in OC through in vitro cell experiments. The results indicated that overexpression of miR-585-3p inhibited the proliferation, invasion, and migration of SW626 cells, while low expression of miR-585-3p had the opposite effect in SKOV3 cells. We then screened the target genes of miR-585-3p through miRDB database and detected the expression of target genes in OC cells. FSCN1 was found to be most significantly upregulated in OC cells. Dual-luciferase reporter assays revealed FSCN1 as a potential target of miR-585-3p. Western blot analysis showed that miR-585-3p targeted FSCN1 to inhibit protein phosphorylation of ERK. In vivo animal experiments also confirmed that miR-585-3p targets FSCN1 to inhibit tumor growth and block the MAPK signaling pathway. In summary, miR-585-3p inhibits the proliferation, migration, and invasion of OC cells by targeting FSCN1, and its mechanism of action may be achieved by inhibiting the activation of the MAPK signaling pathway. miR-585-3p may serve as a potential biomarker and therapeutic target for OC.
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20
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Zu C, Li J, He X, Ji L, Li X. Identification of a circRNA-mediated comprehensive ceRNA network in spinal cord injury pathogenesis. Exp Biol Med (Maywood) 2022; 247:931-944. [PMID: 35410505 DOI: 10.1177/15353702221082929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
RNAs are closely associated with human diseases; however, immune-related genes (IRGs) and their potential regulatory networks in relation to spinal cord injury (SCI) are still poorly understood. Here, we investigated the key IRGs as well as the competing endogenous RNA (ceRNA) mechanisms that are associated with SCI pathogenesis based on microarray datasets and the use of a rat SCI model. Specifically, four independent SCI microarray datasets from Gene Expression Omnibus (GEO) database were analyzed and, thereafter, differentially expressed IRGs were annotated via Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Furthermore, based on the GEO datasets, differentially expressed RNAs (DERNAs), including DEcircRNAs, DEmiRNAs, and DEmRNAs were identified and interactions between them were also predicted using online databases, and to construct a circular RNA (circRNA) mediated ceRNA network, candidate RNAs were also identified. Furthermore, the support vector machine (SVM) and least absolute shrinkage and selection operator (LASSO) methods were used for the identification of critical DERNAs, while differential gene expression was validated using the GSE20907 dataset. Our results were as follows. In the SCI microarray datasets, 32, 58, and 74 DEIRGs, DEcircRNAs, and DEmiRNAs were identified, respectively. In addition, GO and KEGG analyses showed that the DEIRGs were primarily enriched in neutrophil-mediated immunity and nuclear factor-kappa B (NF-κB) and hypoxia-inducible factor-1 (HIF-1) signaling pathways, and based on LASSO and SVM screening, PLXNB2 was identified as a DEIRG, while hsa_circ_0026646 was identified as the key circRNA, showing a higher SCI expression. Furthermore, our results proved that PLXNB2 and hsa_circ_0026646 were upregulated in SCI, whereas miR-331-3p was downregulated, and, interestingly, similar expression profiles were confirmed using the rat SCI model. Furthermore, fluorescent reporter assay indicated that both hsa_circ_0026646 and PLXNB2 have miR-331-3p target sites, and the ceRNA hypothesis suggested the dysregulation of hsa_circ_0026646, miR-331-3p, and PLXNB2 in SCI. Thus, our results suggested that in SCI pathogenesis, hsa_circ_0026646 correlates with PLXNB2 by targeting miR-331-3p.
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Affiliation(s)
- Chao Zu
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
- Department of Surgical Oncology, Shaanxi Provincial People's Hospital, The Affiliated Hospital of Northwestern Polytechnical University and Xi'an Jiaotong University, Xi'an 710068, China
| | - Jingyuan Li
- Department of Orthopedics, Shaanxi Provincial People's Hospital, The Affiliated Hospital of Northwestern Polytechnical University and Xi'an Jiaotong University, Xi'an 710068, China
| | - Xijing He
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
- Orthopaedic Hospital, Xi'an International Rehabilitation Medical Center, Xi'an 710065, China
| | - Le Ji
- Department of Orthopedics, Shaanxi Provincial People's Hospital, The Affiliated Hospital of Northwestern Polytechnical University and Xi'an Jiaotong University, Xi'an 710068, China
| | - Xia Li
- Basic Medical College, The Fourth Military Medical University, Xi'an 710032, China
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21
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Wu X, Song Q, Jin P, Liu B. Outcomes of Patients with Cervical Spinal Cord Injury Treated by Surgery and Their Prognostic Factors. Appl Bionics Biomech 2022; 2022:8720290. [PMID: 35401787 PMCID: PMC8986444 DOI: 10.1155/2022/8720290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/13/2022] [Accepted: 03/21/2022] [Indexed: 11/24/2022] Open
Abstract
Objective To investigate the outcomes of patients with cervical spinal cord injury treated by surgery and their prognostic factors. Methods We retrospectively analyzed 139 patients with cervical spinal cord injury treated by surgery at our hospital, who were admitted between January 2017 and December 2018. Depending on the Barthel index at last follow-up, the patients were divided into the recovery group (n = 60, Barthel index > 45) and the nonrecovery group (n = 79, Barthel index ≤ 45). General information of patients in the two groups was compared. The significant factors were further introduced into the logistic regression model. The poor prognostic factors of cervical spinal cord injury treated by surgery were analyzed, and specific nursing measures were taken. Results There were significant differences in the duration of injury before admission, duration of injury before surgery, transportation and protection before admission, spinal canal invasion rate, and hormonal therapy within 8 h after injury between the patients achieving good postoperative recovery and those not (P < 0.05). Logistic regression analysis showed that all the factors above were prognostic factors for cervical spinal cord injury treated surgically. Conclusion The duration of injury before admission, duration of injury before surgery, transportation and protection before admission, spinal canal invasion rate, and hormonal therapy within 8 h after injury were prognostic factors of patients with cervical spinal cord injury treated by surgery. The following factors should be considered for favorable outcomes: spinal protection during transportation to hospital, timely hormonal shock therapy to delay injury progression, and timely surgery to relieve pain. The spine is composed of cervical, thoracic, lumbar, sacral, and caudal vertebrae.
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Affiliation(s)
- Xinfeng Wu
- Department of Spine Surgery, Beijing Jishuitan Hospital, Beijing 100035, China
| | - Qingpeng Song
- Department of Spine Surgery, Beijing Jishuitan Hospital, Beijing 100035, China
| | - Peihao Jin
- Department of Spine Surgery, Beijing Jishuitan Hospital, Beijing 100035, China
| | - Bo Liu
- Department of Spine Surgery, Beijing Jishuitan Hospital, Beijing 100035, China
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22
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Guo Z, Zhu C, Wang Y, Li Z, Wang L, Fan J, Xu Y, Zou N, Kong Y, Li D, Sui L. miR-30a targets STOX2 to increase cell proliferation and metastasis in hydatidiform moles via ERK, AKT, and P38 signaling pathways. Cancer Cell Int 2022; 22:103. [PMID: 35246136 PMCID: PMC8895545 DOI: 10.1186/s12935-022-02503-3] [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: 05/17/2021] [Accepted: 01/31/2022] [Indexed: 11/15/2022] Open
Abstract
Background A hydatidiform mole is a condition caused by abnormal proliferation of trophoblastic cells. MicroRNA miR-30a acts as a tumor suppressor gene in most tumors and participates in the development of various cancers. However, its role in hydatidiform moles is not clear. Methods Quantitative real-time reverse transcription PCR was used to verify the expression level of miR-30a and STOX2 (encoding storkhead box 2). Flow cytometry assays were performed to detect the cell cycle in cell with different expression levels of miR-30a and STOX2. Cell Cycle Kit-8, 5-ethynyl-2′-deoxyuridine, and colony formation assays were used to detect cell proliferation and viability. Transwell assays was used to test cell invasion and migration. Dual-luciferase reporter assays and western blotting were used to investigate the potential mechanisms involved. Result Low miR-30a expression promoted the proliferation, migration, and invasion of trophoblastic cells (JAR and HTR-8). Dual luciferase assays confirmed that STOX2 is a target of miR-30a and resisted the effect of upregulated miR-30a in trophoblastic cells. In addition, downregulation of STOX2 by miR-30a could activate ERK, AKT, and P38 signaling pathways. These results revealed a new mechanism by which ERK, AKT, and P38 activation by miR-30a/STOX2 results in excessive proliferation of trophoblast cells in the hydatidiform mole. Conclusions In this study, we found that miR-30a plays an important role in the development of the hydatidiform mole. Our findings indicate that miR-30a might promote the malignant transformation of human trophoblastic cells by regulating STOX2, which strengthens our understanding of the role of miR-30a in regulating trophoblastic cell transformation. Supplementary Information The online version contains supplementary material available at 10.1186/s12935-022-02503-3.
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Affiliation(s)
- Zhenzhen Guo
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Chenyu Zhu
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Youhui Wang
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Zhen Li
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Lu Wang
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Jianhui Fan
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Yuefei Xu
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Na Zou
- Department of Pathology, Dalian Municipal Women And Children's Medical Center, Dalian, 116044, Liaoning, People's Republic of China
| | - Ying Kong
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Dong Li
- Department of Pathology, Dalian Municipal Women And Children's Medical Center, Dalian, 116044, Liaoning, People's Republic of China
| | - Linlin Sui
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, Liaoning, China.
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Therapeutic Role of miR-30a in Lipoteichoic Acid-Induced Endometritis via Targeting the MyD88/Nox2/ROS Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2021:5042048. [PMID: 35003515 PMCID: PMC8741357 DOI: 10.1155/2021/5042048] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/01/2021] [Indexed: 01/03/2023]
Abstract
Staphylococcus aureus (S. aureus), a notorious pathogenic bacterium prevalent in the environment, causes a wide range of inflammatory diseases such as endometritis. Endometritis is an inflammatory disease in humans and mammals, which prolongs uterine involution and causes great economic losses. MiR-30a plays an importan trole in the process of inflammation; however, the regulatory role of miR-30a in endometritis is still unknown. Here, we first noticed that there was an increased level of miR-30a in uterine samples of cows with endometritis. And then, bovine endometrial epithelial (BEND) cells stimulated with the virulence factor lipoteichoic acid (LTA) from S. aureus were used as an in vitro endometritis model to explore the potential role of miR-30a in the pathogenesis of endometritis. Our data showed that the induction of the miR-30a expression is dependent on NF-κB activation, and its overexpression significantly decreased the levels of IL-1β and IL-6. Furthermore, we observed that the overexpression of miR-30a inhibited its translation by binding to 3′−UTR of MyD88 mRNA, thus preventing the activation of Nox2 and NF-κB and ROS accumulation. Meanwhile, in vivo studies further revealed that upregulation of miR-30a using chemically synthesized agomirs alleviates the inflammatory conditions in an experimental mouse model of endometritis, as indicated by inhibition of ROS and NF-κB. Taken together, these findings highlight that miR-30a can attenuate LTA-elicited oxidative stress and inflammatory responses through the MyD88/Nox2/ROS/NF-κB pathway and may aid the future development of novel therapies for inflammatory diseases caused by S. aureus, including endometritis.
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SKP-SC-EVs Mitigate Denervated Muscle Atrophy by Inhibiting Oxidative Stress and Inflammation and Improving Microcirculation. Antioxidants (Basel) 2021; 11:antiox11010066. [PMID: 35052570 PMCID: PMC8772917 DOI: 10.3390/antiox11010066] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 12/25/2021] [Indexed: 12/23/2022] Open
Abstract
Denervated muscle atrophy is a common clinical disease that has no effective treatments. Our previous studies have found that oxidative stress and inflammation play an important role in the process of denervated muscle atrophy. Extracellular vesicles derived from skin precursor-derived Schwann cells (SKP-SC-EVs) contain a large amount of antioxidants and anti-inflammatory factors. This study explored whether SKP-SC-EVs alleviate denervated muscle atrophy by inhibiting oxidative stress and inflammation. In vitro studies have found that SKP-SC-EVs can be internalized and caught by myoblasts to promote the proliferation and differentiation of myoblasts. Nutrient deprivation can cause myotube atrophy, accompanied by oxidative stress and inflammation. However, SKP-SC-EVs can inhibit oxidative stress and inflammation caused by nutritional deprivation and subsequently relieve myotube atrophy. Moreover, there is a remarkable dose-effect relationship. In vivo studies have found that SKP-SC-EVs can significantly inhibit a denervation-induced decrease in the wet weight ratio and myofiber cross-sectional area of target muscles. Furthermore, SKP-SC-EVs can dramatically inhibit highly expressed Muscle RING Finger 1 and Muscle Atrophy F-box in target muscles under denervation and reduce the degradation of the myotube heavy chain. SKP-SC-EVs may reduce mitochondrial vacuolar degeneration and autophagy in denervated muscles by inhibiting autophagy-related proteins (i.e., PINK1, BNIP3, LC3B, and ATG7). Moreover, SKP-SC-EVs may improve microvessels and blood perfusion in denervated skeletal muscles by enhancing the proliferation of vascular endothelial cells. SKP-SC-EVs can also significantly inhibit the production of reactive oxygen species (ROS) in target muscles after denervation, which indicates that SKP-SC-EVs elicit their role by upregulating Nrf2 and downregulating ROS production-related factors (Nox2 and Nox4). In addition, SKP-SC-EVs can significantly reduce the levels of interleukin 1β, interleukin-6, and tumor necrosis factor α in target muscles. To conclude, SKP-SC-EVs may alleviate the decrease of target muscle blood perfusion and passivate the activities of ubiquitin-proteasome and autophagy-lysosome systems by inhibiting oxidative stress and inflammatory response, then reduce skeletal muscle atrophy caused by denervation. This study not only enriches the molecular regulation mechanism of denervated muscle atrophy, but also provides a scientific basis for SKP-SC-EVs as a protective drug to prevent and treat muscle atrophy.
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Jiang L, Wei ZC, Xu LL, Yu SY, Li C. Inhibition of miR-145-5p Reduces Spinal Cord Injury-Induced Inflammatory and Oxidative Stress Responses via Affecting Nurr1-TNF-α Signaling Axis. Cell Biochem Biophys 2021; 79:791-799. [PMID: 34133012 DOI: 10.1007/s12013-021-00992-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2021] [Indexed: 01/10/2023]
Abstract
Inflammation and oxidative stress feature prominently in the secondary spinal cord injury (SCI). The present work is targeted at deciphering miR-145-5p's role and underlying mechanism in SCI. We randomly divided Sprague-Dawley rats into SCI group and control group. Microglial BV2 cells were separated into control group and lipopolysaccharide (LPS) treatment group. Enzyme-linked immunosorbent assay was carried out for determining the concentrations of interleukin-6, interleukin-1β, and tumor necrosis factor-α (TNF-α). The expressions of malondialdehyde, glutathione peroxidase, superoxide dismutase, and reactive oxygen species were also detected. TNF-α, miR-145-5p, and Nurr1 expressions were examined by western blot and quantitative real-time polymerase chain reaction. Western blotting and dual-luciferase reporter gene assay were conducted to examine the regulating impact that miR-145-5p had on Nurr1 and TNF-α. MiR-145-5p was remarkably upregulated in the SCI rat model's spinal cord tissues and BV2 cells treated with LPS, and Nurr1 expression was dramatically lowered. Furthermore, miR-145-5p inhibition markedly repressed inflammatory and oxidative stress responses. Moreover, it was proved that Nurr1 was a direct miR-145-5p target. The inhibition of miR-145-5p helped promote Nurr1 expression to block TNF-α signaling. MiR-145-5p inhibition mitigates inflammation and oxidative stress via targeting Nurr1 to regulate TNF-α signaling, which ameliorates SCI.
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Affiliation(s)
- Lei Jiang
- Department of Neurosurgery, Rizhao Central Hospital, Rizhao, 276800, Shandong, China.
| | - Zeng-Chun Wei
- Department of Orthopedics, Rizhao Central Hospital, Rizhao, 276800, Shandong, China
| | - Li-Li Xu
- Department of ICU, Rizhao Central Hospital, Rizhao, 276800, Shandong, China
| | - Shan-Ying Yu
- Department of Rehabilitation Medicine, Rizhao Central Hospital, Rizhao, 276800, Shandong, China
| | - Chao Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, 250012, Shandong, China.
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Bie F, Wang K, Xu T, Yuan J, Ding H, Lv B, Liu Y, Lan M. The potential roles of circular RNAs as modulators in traumatic spinal cord injury. Biomed Pharmacother 2021; 141:111826. [PMID: 34328121 DOI: 10.1016/j.biopha.2021.111826] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/07/2021] [Accepted: 06/11/2021] [Indexed: 02/08/2023] Open
Abstract
Spinal cord injury (SCI) may cause long-term physical impairment and bring a substantial burden to both the individual patient and society. Existing therapeutic approaches for SCI have proven inadequate. This is mainly owing to the incomplete understanding of the cellular and molecular events post-injury. Circular RNAs (circRNAs) represent a new class of non-coding RNAs with a covalently closed annular structure that participates in regulating the transcription of certain genes and are linked to various biological processes and diseases. Mounting evidence is indicative that circRNAs are highly expressed in the spinal cord and they play key roles in multiple processes of neurological diseases. Recently, a role for circRNAs as effectors of SCI has emerged, leading to the continuity of relevant research. In this review, we presented current studies with regards to the abnormality of circRNAs mediating SCI by affecting mechanisms of autophagy, apoptosis, inflammation, and neural regeneration. Furthermore, the potential clinical value of circRNAs as therapeutic targets of SCI was also analyzed.
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Affiliation(s)
- Fan Bie
- Department of Rehabilitation Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.
| | - Kaiyang Wang
- Department of Orthopedics, Shanghai Jiao Tong University Sixth People's Hospital, Shanghai 200233, China.
| | - Tao Xu
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China.
| | - Jishan Yuan
- Department of Orthopedics, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.
| | - Hua Ding
- Department of Orthopedics, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.
| | - Bin Lv
- Department of Orthopedics, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China; Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Yuwen Liu
- Department of Orthopedics, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu 210008, China.
| | - Min Lan
- Department of Rehabilitation Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.
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Zhang D, Zhang Y, Sun X. LINC01133 promotes the progression of cervical cancer via regulating miR-30a-5p/FOXD1. Asia Pac J Clin Oncol 2021; 17:253-263. [PMID: 33078907 DOI: 10.1111/ajco.13451] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 07/30/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND The prognosis of patients with recurrent or metastatic cervical cancer (CC) remains poor, and its incidence is especially high in developing countries. Multiple long noncoding RNAs are recently identified as crucial oncogenic factors or tumor suppressors. In this study, we explored the function and mechanism of LINC01133 during the progression of CC. METHODS Expression levels of LINC01133 and miR-30a-5p in 50 CC tissue samples were measured using quantitative real-time polymerase chain reaction. Immunohistochemistry and Western blot analysis were used to detect the expression of oncogene forkhead box D1 (FOXD1). The association between pathological indices and the expression level of LINC01133 was also analyzed. Human CC cell lines HeLa and SiHa were used as cell models. CCK-8 and bromodeoxyuridine assays were used to assess the effect of LINC01133 on CC cell line proliferation. Flow cytometry was used to study the effect of LINC01133 on CC apoptosis. Transwell assay was conducted to detect the effect of LINC01133 on migration and invasion. Furthermore, luciferase reporter assay was used to confirm the targeting relationship between miR-30a-5p to LINC01133. RESULTS We observed that LINC01133 expression in CC clinical samples was significantly increased, with high expression associated with higher T stage and negative HPV infection of the patients. Its overexpression remarkably accelerated proliferation and metastasis of CC cells, with reduced apoptosis. LINC01133 knockdown suppressed the malignant phenotypes of CC cells. Overexpression of LINC01133 significantly reduced the expression of miR-30a-5p by sponging it and enhanced the expression of FOXD1. CONCLUSIONS We report the overexpression of LINC01133 in CC sample and cell lines, which correlated with unfavorable pathological indices. LINC01133 was a sponge of tumor suppressor miR-30a-5p, and it enhanced the expression of FOXD1 indirectly and functioned as an oncogenic lncRNA in CC.
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Affiliation(s)
- Dan Zhang
- Department of Gynecology, General Hospital of Fushun Mining Bureau of Liaoning Health Industry Group, Fushun, Liaoning Province, China
| | - Yuyang Zhang
- The Second Department of Oncology, General Hospital of Fushun Mining Bureau of Liaoning Health Industry Group, Fushun, Liaoning Province, China
| | - Xiuyun Sun
- Department of Gynecology, General Hospital of Fushun Mining Bureau of Liaoning Health Industry Group, Fushun, Liaoning Province, China
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Bao J, Lu Y, She Q, Dou W, Tang R, Xu X, Zhang M, Zhu L, Zhou Q, Li H, Zhou G, Yang Z, Shi S, Liu Z, Zheng C. MicroRNA-30 regulates left ventricular hypertrophy in chronic kidney disease. JCI Insight 2021; 6:138027. [PMID: 33848263 PMCID: PMC8262338 DOI: 10.1172/jci.insight.138027] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 04/07/2021] [Indexed: 12/04/2022] Open
Abstract
Left ventricular hypertrophy (LVH) is a primary feature of cardiovascular complications in patients with chronic kidney disease (CKD). miRNA-30 is an important posttranscriptional regulator of LVH, but it is unknown whether miRNA-30 participates in the process of CKD-induced LVH. In the present study, we found that CKD not only resulted in LVH but also suppressed miRNA-30 expression in the myocardium. Rescue of cardiomyocyte-specific miRNA-30 attenuated LVH in CKD rats without altering CKD progression. Importantly, in vivo and in vitro knockdown of miRNA-30 in cardiomyocytes led to cardiomyocyte hypertrophy by upregulating the calcineurin signaling directly. Furthermore, CKD-related detrimental factors, such as fibroblast growth factor-23, uremic toxin, angiotensin II, and transforming growth factor–β, suppressed cardiac miRNA-30 expression, while miRNA-30 supplementation blunted cardiomyocyte hypertrophy induced by such factors. These results uncover a potentially novel mechanism of CKD-induced LVH and provide a potential therapeutic target for CKD patients with LVH. Downregulation of myocardial miRNA-30 is involved in chronic kidney disease–induced left ventricular hypertrophy, whereas exogenous miRNA-30 rescue inhibits this process.
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Affiliation(s)
- Jingfu Bao
- National Clinical Research Center of Kidney Diseases, and
| | - Yinghui Lu
- National Clinical Research Center of Kidney Diseases, and
| | - Qinying She
- National Clinical Research Center of Kidney Diseases, and
| | - Weijuan Dou
- National Clinical Research Center of Kidney Diseases, and
| | - Rong Tang
- National Clinical Research Center of Kidney Diseases, and
| | - Xiaodong Xu
- National Clinical Research Center of Kidney Diseases, and
| | - Mingchao Zhang
- National Clinical Research Center of Kidney Diseases, and
| | - Ling Zhu
- National Clinical Research Center of Kidney Diseases, and
| | - Qing Zhou
- Department of Pharmacology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Hui Li
- Department of Pharmacology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Guohua Zhou
- Department of Pharmacology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Zhongzhou Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University School of Medicine, and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Shaolin Shi
- National Clinical Research Center of Kidney Diseases, and
| | - Zhihong Liu
- National Clinical Research Center of Kidney Diseases, and
| | - Chunxia Zheng
- National Clinical Research Center of Kidney Diseases, and
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Epigenetic modification of BDNF mediates neuropathic pain via miR-30a-3p/EP300 axis in CCI rats. Biosci Rep 2021; 40:226778. [PMID: 33103739 PMCID: PMC7670569 DOI: 10.1042/bsr20194442] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 09/08/2020] [Accepted: 09/22/2020] [Indexed: 12/15/2022] Open
Abstract
Recent investigation of microRNAs on chronic pain has developed a breakthrough in neuropathic pain management. In the present study, decreased expression of miR-30a-3p was reported using qRT-PCR analysis and loss of miR-30a-3p promoted neuropathic pain progression in sciatic nerve chronic constrictive injury rats through determining the pain threshold. We predicted miR-30a-3p could target E-cadherin transcriptional activator (EP300) via bioinformatics analysis. Meanwhile, we found that brain-derived neurotrophic factor (BDNF) is involved in neuropathic pain. Here, we exhibited that EP300 epigenetically up-regulated BDNF via enhancing acetylated histone H3 and H4 on the promoter. For another, miR-30a-3p was able to modify the level of BDNF and acetylated histone H3 and H4. Loss of miR-30a-3p enhanced EP300 and BDNF colocalization in CCI rats. Subsequently, it was shown that increased EP300 induced neuropathic pain by an enhancement of neuronal BDNF level in vivo. To sum up, it was revealed that epigenetic modification of BDNF promoted neuropathic pain via EP300 induced by miR-30a-3p in CCI rats.
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Xu X, Ye T, Wang Y, Pan L, Ye Y, Ding Z, Bao D. MicroRNA-139-5p inhibits inflammatory and oxidative stress responses of Salmonella-infected macrophages through modulating TRAF6. Pathog Dis 2021; 79:6209124. [PMID: 33822016 DOI: 10.1093/femspd/ftab018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 03/19/2021] [Indexed: 11/14/2022] Open
Abstract
Evidence indicates that macrophages play an important role in the immune system. Therefore, research involving inflammatory and oxidative stress responses in macrophages is of great significance. Many factors contribute to inflammation and oxidative stress, including Salmonella. We investigated the effect of the miR-139-5p/TRAF6 axis on the inflammatory and oxidative stress responses of Salmonella -infected macrophages. Our findings revealed that miR-139-5p decreased IL-1β and TNF-α levels to inhibit Salmonella-induced inflammatory responses in the RAW264.7 macrophage cell line. Furthermore, miR-139-5p inhibited Salmonella-induced oxidative stress by strengthening SOD, CAT and GSH-PX activity, as well as lowering the malondialdehyde level in the RAW264.7 macrophages cell line. Subsequently, it was verified that TRAF6 was a downstream target of miR-139-5p in RAW264.7 cells. Rescue assays indicated that the over-expression of miR-139-5p inhibits the effects of TRAF6 on inflammatory and oxidative stress responses including Salmonella infection in RAW264.7 cells. To our knowledge, this study is the first to verify that miR-139-5p inhibits inflammatory and oxidative stress responses of Salmonella-infected macrophages through regulating TRAF6. This discovery may offer new insights on inflammatory and oxidative stress responses in macrophages.
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Affiliation(s)
- Xiaohong Xu
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
| | - Tingyun Ye
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
| | - Yizhang Wang
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
| | - Lianlian Pan
- Department of Laboratory Medicine, Sanmen Hospital of Traditional Chinese Medicine, 287 Xinxing Street, Haiyou Town, Sanmen County, Taizhou, Zhejiang 317100, China
| | - Yali Ye
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
| | - Zhengxiang Ding
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
| | - Danni Bao
- Department of Laboratory Medicine, Sanmen People's Hospital, 15 Taihe road, Binhai new town, Sanmen county, Taizhou, Zhejiang 317100, China
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Zhao JM, Qi TG. The role of TXNL1 in disease: treatment strategies for cancer and diseases with oxidative stress. Mol Biol Rep 2021; 48:2929-2934. [PMID: 33660093 DOI: 10.1007/s11033-021-06241-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 02/18/2021] [Indexed: 12/17/2022]
Abstract
Thioredoxin-like protein-1 (TXNL1; also known as thioredoxin-related 32 kDa protein, TRP32) is a thioredoxin involved in the regulation of oxidative stress, which protects cells from damage through redox balance. Studies have shown that TXNL1 has a variety of functions, including cell signal transduction, cell cycle regulation, protein synthesis, modification and degradation, vesicle transport, transcriptional regulation, cell apoptosis, virus replication and oxidative stress regulation, etc., and plays an important role in the occurrence and development of human diseases. Therefore, TXNL1 has a strong correlation with the treatment of cancer and oxidative stress diseases. In this paper, the basic structure, function and potential application value of TXNL1 in diseases are reviewed, so as to open up new targets for the treatment of cancer and oxidative stress-related diseases.
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Affiliation(s)
- Jin-Ming Zhao
- Institute of Medical Sciences, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
| | - Tong-Gang Qi
- Institute of Medical Sciences, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China.
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32
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Raza SHA, Abdelnour SA, Dhshan AIM, Hassanin AA, Noreldin AE, Albadrani GM, Abdel-Daim MM, Cheng G, Zan L. Potential role of specific microRNAs in the regulation of thermal stress response in livestock. J Therm Biol 2021; 96:102859. [PMID: 33627286 DOI: 10.1016/j.jtherbio.2021.102859] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/12/2021] [Accepted: 01/13/2021] [Indexed: 01/07/2023]
Abstract
Thermal stress is known to have harmful effects on livestock productivity and can cause livestock enterprises considerable financial loss. These effects may be aggravated by climate change. Stress responses to nonspecific systemic actions lead to perturbation of molecular pathways in the organism. The molecular response is regulated in a dynamic and synchronized manner that assurances robustness and flexibility for the restoration of functional and structural homeostasis in stressed cells and tissues. MicroRNAs (miRNAs) are micro molecules of small non-coding RNA that control gene expression at the post-transcriptional level. Recently, various studies have discovered precise types of miRNA that regulate cellular machinery and homeostasis under various types of stress, suggesting a significant role of miRNA in thermal stress responses in animals. The miRNAs revealed in this paper could serve as promising candidates and biomarkers for heat stress and could be used as potential pharmacological targets for mitigating the consequences of thermal stress. Stress miRNA pathways may be associated with thermal stress, which offers some potential approaches to combat the negative impacts of thermal stress in livestock. The review provides new data that can assist the elucidation of the miRNA mechanisms that mediate animals' responses to thermal stress.
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Affiliation(s)
- Sayed Haidar Abbas Raza
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
| | - Sameh A Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
| | - Aya I M Dhshan
- Ministry of Health and Population, Health Affairs Directorate in Sharkia, Zagazig, Egypt
| | - Abdallah A Hassanin
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed E Noreldin
- Department of Histology and Cytology, Faculty of Veterinary Medicine, The Scientific Campus, Damanhour University, 22511, Damanhour, Egypt
| | - Ghadeer M Albadrani
- 1Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 11474, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Gong Cheng
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
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Ye Y, Zhang L, Hu T, Yin J, Xu L, Pang Z, Chen W. CircRNA_103765 acts as a proinflammatory factor via sponging miR-30 family in Crohn's disease. Sci Rep 2021; 11:565. [PMID: 33436852 PMCID: PMC7804428 DOI: 10.1038/s41598-020-80663-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/23/2020] [Indexed: 01/08/2023] Open
Abstract
Increasing evidence suggests that circular RNAs (circRNAs) play critical roles in various pathophysiological activities. However, the role of circRNAs in inflammatory bowel disease (IBD) remains unclear. Here we report the potential roles of hsa_circRNA_103765 in regulating cell apoptosis induced by TNF-α in Crohn’s disease (CD). We identify that CircRNA_103765 expression was significantly upregulated in peripheral blood mononuclear cells (PBMCs) of patients with active IBD. A positive correlation with TNF-α significantly enhanced circRNA_103765 expression in CD, which was significantly reversed by anti-TNF-α mAb (infliximab) treatment. In vitro experiments showed that TNF-α could induce the expression of circRNA_103765, which was cell apoptosis dependent, while silencing of circRNA_103765 could protect human intestinal epithelial cells (IECs) from TNF-α-induced apoptosis. In addition, circRNA_103765 acted as a molecular sponge to adsorb the miR-30 family and impair the negative regulation of Delta-like ligand 4 (DLL4). Collectively, CircRNA_103765 is a novel important regulator of the pathogenesis of IBD via sponging miR-30 family-mediated DLL4 expression changes. Blockade of circRNA_103765 could serve as a novel approach for the treatment of IBD patients.
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Affiliation(s)
- Yulan Ye
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, 215008, Jiangsu, China.,Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Liping Zhang
- Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Tong Hu
- Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Juan Yin
- Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Lijuan Xu
- Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Zhi Pang
- Department of Gastroenterology, The North District of the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, Jiangsu, China
| | - Weichang Chen
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, 215008, Jiangsu, China.
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Zhong L, Yan J, Li H, Meng L. HDAC9 Silencing Exerts Neuroprotection Against Ischemic Brain Injury via miR-20a-Dependent Downregulation of NeuroD1. Front Cell Neurosci 2021; 14:544285. [PMID: 33584204 PMCID: PMC7873949 DOI: 10.3389/fncel.2020.544285] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 11/25/2020] [Indexed: 12/17/2022] Open
Abstract
Cerebral stroke is an acute cerebrovascular disease that is a leading cause of death and disability worldwide. Stroke includes ischemic stroke and hemorrhagic strokes, of which the incidence of ischemic stroke accounts for 60–70% of the total number of strokes. Existing preclinical evidence suggests that inhibitors of histone deacetylases (HDACs) are a promising therapeutic intervention for stroke. In this study, the purpose was to investigate the possible effect of HDAC9 on ischemic brain injury, with the underlying mechanism related to microRNA-20a (miR-20a)/neurogenic differentiation 1 (NeuroD1) explored. The expression of HDAC9 was first detected in the constructed middle cerebral artery occlusion (MCAO)-provoked mouse model and oxygen-glucose deprivation (OGD)-induced cell model. Next, primary neuronal apoptosis, expression of apoptosis-related factors (Bax, cleaved caspase3 and bcl-2), LDH leakage rate, as well as the release of inflammatory factors (TNF-α, IL-1β, and IL-6) were evaluated by assays of TUNEL, Western blot, and ELISA. The relationships among HDAC9, miR-20a, and NeuroD1 were validated by in silico analysis and ChIP assay. HDAC9 was highly-expressed in MCAO mice and OGD-stimulated cells. Silencing of HDAC9 inhibited neuronal apoptosis and inflammatory factor release in vitro. HDAC9 downregulated miR-20a by enriching in its promoter region, while silencing of HDCA9 promoted miR-20a expression. miR-20a targeted Neurod1 and down-regulated its expression. Silencing of HDAC9 diminished OGD-induced neuronal apoptosis and inflammatory factor release in vitro as well as ischemic brain injury in vivo by regulating the miR-20a/NeuroD1 signaling. Overall, our study revealed that HDAC9 silencing could retard ischemic brain injury through the miR-20a/Neurod1 signaling.
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Affiliation(s)
- Liangjun Zhong
- Department of Neurosurgery, Pingyin County People's Hospital, Jinan, China
| | - Jinxiang Yan
- Department of Neurosurgery, Ningyang No. 1 People's Hospital, Tai'an, China
| | - Haitao Li
- Department of Neurology, Qihe County People's Hospital, Dezhou, China
| | - Lei Meng
- Department of Neurosurgery, Shandong Provincial Hospital, Jinan, China
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LncRNA SOX2OT Knockdown Alleviates Lipopolysaccharide-Induced Damage of PC12 Cells by Regulating miR-331-3p/Neurod1 Axis. World Neurosurg 2020; 147:e293-e305. [PMID: 33340723 DOI: 10.1016/j.wneu.2020.12.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Long noncoding RNAs (lncRNAs) serve as crucial regulators in the pathogenesis of spinal cord injury (SCI). However, the role of lncRNA SOX2 overlapping transcript (SOX2OT) in SCI remains to be well revealed. METHODS An SCI rat model was established and assessed by the Basso-Beattie-Bresnahan (BBB) method. An SCI PC12 cell model was established through lipopolysaccharide (LPS) treatment. Quantitative real-time polymerase chain reaction assay was used for SOX2OT, miR-331-3p, and neurogenic differentiation 1 (Neurod1) mRNA levels. Cell counting kit-8 assay and flow cytometry analysis were performed for cell viability and apoptosis, respectively. Enzyme-linked immunosorbent assay was performed for the levels of inflammatory cytokines. The production of superoxide dismutase and malondialdehyde was determined with relevant kits. Dual-luciferase reporter and RNA immunoprecipitation assays were conducted for the relationships among SOX2OT, miR-331-3p, and Neurod1. Western blot assay was employed for protein levels. RESULTS SOX2OT was elevated in SCI rat and cell models. SOX2OT knockdown relieved the injury of SCI in SCI rat model. Moreover, the suppressive role in PC12 cell viability and the promotional roles in apoptosis, inflammation, and oxidative stress mediated by LPS were all restored by silencing SOX2OT. For mechanism analysis, SOX2OT was identified as a sponge of miR-331-3p to positively regulate Neurod1 expression. Inhibition of miR-331-3p reversed the effect of SOX2OT knockdown on LPS-induced PC12 damage. Overexpression of miR-331-3p protected PC12 cells from LPS-induced damage by binding to Neurod1. In addition, SOX2OT knockdown relieved PC12 cell injury by inactivation of Janus kinase-signal transducer and activator of transcription pathway. CONCLUSIONS SOX2OT promoted PC12 cell injury through modulating miR-331-3p/Neurod1 axis and activating Janus kinase-signal transducer and activator of transcription pathway.
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MicroRNAs as regulators of ERK/MAPK pathway: A comprehensive review. Biomed Pharmacother 2020; 132:110853. [PMID: 33068932 DOI: 10.1016/j.biopha.2020.110853] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/19/2020] [Accepted: 10/04/2020] [Indexed: 02/07/2023] Open
Abstract
The ERK/MAPK cascade is one the four distinctive MAPK cascades which transmit extracellular signals to intracellular targets. This cascade has an important role in the regulation of several fundamental processes such as proliferation, differentiation and cell response to diverse extrinsic stresses. Moreover, several studies have shown participation of this cascade in the pathogenesis of cancer. Recent investigations have unraveled interaction between microRNAs (miRNAs) and ERK/MAPK cascade. These transcripts reside in both upstream and downstream of this cascade, regulating or being regulated by ERK/MAPK proteins. In the current review, we summarize the role of miRNAs in the regulation of ERK/MAPK and their contribution in the pathogenesis of human disorders with particular focus on cancers.
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Wang J, Kuang X, Peng Z, Li C, Guo C, Fu X, Wu J, Luo Y, Rao X, Zhou X, Huang B, Tang W, Tang Y. EGCG treats ICH via up-regulating miR-137-3p and inhibiting Parthanatos. Transl Neurosci 2020; 11:371-379. [PMID: 33335777 PMCID: PMC7718614 DOI: 10.1515/tnsci-2020-0143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/24/2020] [Accepted: 09/09/2020] [Indexed: 12/21/2022] Open
Abstract
Intracranial hemorrhage (ICH) causes high mortality and disability without effective treatment in the clinical setting. (-)-Epigallocatechin-3-gallate (EGCG) exerts an essential role in the central nervous system and offers a promising therapeutic agent for the treatment of oxidative damage-related diseases. MiR-137 can inhibit the oxidative stress and apoptosis to attenuate neuronal injury. However, the role of EGCG in regulating miR-137-3p and neuronal Parthanatos remains to be unclear. In the present study, we build the ICH mice model to investigate the antioxidant effects of EGCG via upregulating miR-137-3p and inhibiting neuronal Parthanatos. We revealed that EGCG upregulated miR-137-3p and inhibited neuronal Parthanatos, and promoted the functional recovery, alleviated ICH-induced brain injury, and reduced oxidative stress in mice following ICH. However, following the inhibition of miR-137-3p and activation of Parthanatos, EGCG was unable to exert neuroprotective roles. These combined results suggest that EGCG may upregulate miR-137-3p and inhibit neuronal Parthanatos to accelerate functional recovery in mice after ICH, laying the foundation for EGCG to be a novel strategy for the treatment of neuronal injuries related to Parthanatos.
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Affiliation(s)
- Jianjun Wang
- Affiliated hospital, Xiangnan University, Chenzhou, 423000, Hunan Province, China
- Department of Clinical, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Xuejun Kuang
- Affiliated hospital, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Zhao Peng
- Affiliated hospital, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Conghui Li
- Affiliated hospital, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Chengwu Guo
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Xi Fu
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Junhong Wu
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Yang Luo
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Xiaolin Rao
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Xiangjuan Zhou
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Bin Huang
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Weijun Tang
- Department of Pharmacy, Xiangnan University, Chenzhou, 423000, Hunan Province, China
| | - Yinjuan Tang
- Department of Basic Medical Sciences, Xiangnan University, Chenzhou, 423000, Hunan Province, China
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Tang S, Jing H, Song F, Huang H, Li W, Xie G, Zhou J. MicroRNAs in the Spinal Microglia Serve Critical Roles in Neuropathic Pain. Mol Neurobiol 2020; 58:132-142. [PMID: 32902792 DOI: 10.1007/s12035-020-02102-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/26/2020] [Indexed: 02/06/2023]
Abstract
Neuropathic pain (NP) can occur after peripheral nerve injury (PNI), and it can be converted into a maladaptive, detrimental phenotype that causes a long-term state of pain hypersensitivity. In the last decade, the discovery that dysfunctional microglia evoke pain, called "microgliopathic pain," has challenged traditional neuronal views of "pain" and has been extensively explored. Recent studies have shown that microRNAs (miRNAs) can act as activators or inhibitors of spinal microglia in NP conditions. We first briefly review spinal microglial activation in NP. We then comprehensively describe miRNA expression changes and their potential mechanisms in the response of microglia to nerve injury. We summarize the roles of the following two representative miRNAs: miR-124, which reverses NP by keeping microglia quiescent, and miR-155, which promotes NP following microglial activation. Finally, we focused on the therapeutic potential of microglial miRNAs in NP. The findings we summarized may be essential tools for basic research and clinical treatment of NP.
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Affiliation(s)
- Simin Tang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
- Sun Yat-sen University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Huan Jing
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
- ZunYi Medical University, ZunYi, 563100, Guizhou Province, People's Republic of China
| | - Fuhu Song
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Haicheng Huang
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Wenjun Li
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Guiling Xie
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Jun Zhou
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China.
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Butylphthalide has an Anti-Inflammatory Role in Spinal Cord Injury by Promoting Macrophage/Microglia M2 Polarization via p38 Phosphorylation. Spine (Phila Pa 1976) 2020; 45:E1066-E1076. [PMID: 32205688 DOI: 10.1097/brs.0000000000003503] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN An experimental animal study of treatment of spinal cord injury (SCI). OBJECTIVE This report aims to evaluate the in vivo effects of butylphthalide NBP on SCI biology and to explore its potential mechanism. SUMMARY OF BACKGROUND DATA SCI causes great damage to humans. The inflammatory and reconstructive processes after SCI is regulated by activation of astroglial and microglial cells. Activated microglia/macrophages can be divided into M2 (anti-inflammatory) and M1 (pro-inflammatory) phenotypes. Butylphthalide (3-n-butylphthalide or NBP) treatment can significantly alleviate ischemic brain damage, and further study has confirmed that central neuroprotective effects can be realized by converting M1 polarized microglia/macrophages to the M2 phenotype. Thus far, it remains unknown whether NBP can modulate the transition of macrophages/microglia between the M1 and M2 phenotypes. METHODS We randomly divided male mice into three groups (sham group, SCI group, SCI+ NBP group). Molecular and histological tests were performed to detect the macrophage/microglia polarization as well as the potential mechanism of NBP in vivo and in vitro. RESULT It was found that NBP treatment significantly attenuated the motor dysfunction and neuronal apoptosis induced by SCI. Treatment with NBP could also reduce pro-inflammatory cytokine release after SCI and could facilitate macrophage/microglia M2 polarization and inhibit M1 polarization after SCI. To verify the findings in animal experiments, we examined the effect of NBP on BV2 cell polarization, the results showed that NBP treatment could enhance M2 polarization and inhibit M1 polarization, and that M2 polarization occurred in a p38-dependent manner. CONCLUSION NBP plays an important role in the anti-inflammatory response in SCI via the facilitation of macrophage/microglia M2 polarization as well as the inhibition of macrophage/microglia M1 polarization. The M2 polarization of macrophages/microglia occurs via activation of p38 pathway. LEVEL OF EVIDENCE 3.
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Identification of a circRNA-miRNA-mRNA network to explore the effects of circRNAs on pathogenesis and treatment of spinal cord injury. Life Sci 2020; 257:118039. [DOI: 10.1016/j.lfs.2020.118039] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 06/13/2020] [Accepted: 06/29/2020] [Indexed: 12/22/2022]
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He Y, Lang X, Cheng D, Zhang T, Yang Z, Xiong R. miR‑30a‑5p inhibits hypoxia/reoxygenation‑induced oxidative stress and apoptosis in HK‑2 renal tubular epithelial cells by targeting glutamate dehydrogenase 1 (GLUD1). Oncol Rep 2020; 44:1539-1549. [PMID: 32945480 PMCID: PMC7448462 DOI: 10.3892/or.2020.7718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 06/03/2020] [Indexed: 11/17/2022] Open
Abstract
MicroRNAs (miRNAs) are reported to be involved in renal hypoxia/reoxygenation (H/R) damage. To investigate this further, human kidney (HK-2) cells were cultured, subjected to H/R and the function of miR-30a-5p and glutamate dehydrogenase 1 (GLUD1) was evaluated. The results showed that, miR-30-5p was downregulated and GLUD1 was upregulated in HK-2 cells exposed to H/R. The relationship between miR-30a-5p and GLUD1 was determined using dual luciferase assays. Primary HK-2 cells were cultured in H/R and transfected with negative control 1 (NC1), negative control 2 (NC2), mimic, inhibitor or GLUD1 siRNA plasmids. Reactive oxygen species (ROS) generation, superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) activities, and the rate of apoptosis in HK-2 cells were assessed. The results showed that, miR-30a-5p mimic reduced the production of ROS in HK-2 cells treated with H/R, but increased the activity of SOD, CAT and GPx. In addition, miR-30a-5p mimic significantly decreased H/R-mediated apoptosis, decreased the expression of bax and activity of caspase-3 and enhanced the expression of bcl-2. However, miR-30a-5p inhibitor showed the opposite effect with regard to the degree of oxidative damage and apoptosis in H/R-induced HK-2 cells. Silencing GLUD1 rescued the influence of miR-30a-5p inhibitor on oxidative injury and apoptosis in HK-2 cells stimulated with H/R. These results demonstrated that under H/R conditions, miR-30a-5p can reduce oxidative stress in vitro by targeting GLUD1, which may be a novel therapeutic target for liver failure and worth further study.
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Affiliation(s)
- Yangbiao He
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
| | - Xujun Lang
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
| | - Dong Cheng
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
| | - Ting Zhang
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
| | - Zhihao Yang
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
| | - Rongbing Xiong
- Department of Nephrology, Jinhua Hospital of Traditional Chinese Medicine, Jinhua, Zhejiang 321017, P.R. China
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Guo Z, Sun Q, Liao Y, Liu C, Zhao W, Li X, Liu H, Dong M, Shang Y, Sui L, Kong Y. MiR-30a-5p inhibits proliferation and metastasis of hydatidiform mole by regulating B3GNT5 through ERK/AKT pathways. J Cell Mol Med 2020; 24:8350-8362. [PMID: 32575164 PMCID: PMC7412694 DOI: 10.1111/jcmm.15247] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 01/15/2020] [Accepted: 02/15/2020] [Indexed: 12/20/2022] Open
Abstract
Hydatidiform moles are gestational trophoblastic disease. They are abnormal proliferations of trophoblast cells that have the potential to become cancerous. miR-miR30a-5p is a tumour suppressor that participates in the development of numerous diseases. However, the role of miR-30a in hydatidiform moles and the mechanisms underlying its effects are presently unclear. This study explored the levels of miR-30a and B3GNT5 expression in human hydatidiform mole tissue. The results showed that miR-30a and B3GNT5 were differentially expressed in normal placenta and hydatidiform mole, and miR-30a decreased cell proliferation, invasion and migration in trophoblast cell lines. Upon further examination, it was confirmed that miR-30a directly targeted the 3'untranslated region of B3GNT5 using a dual-luciferase assay. The results of the present study also revealed that miR-30a reduced the proliferation, invasion and migration ability in JAR and BeWo cells by regulating B3GNT5, which may inactivate the ERK and AKT signalling pathways. This study demonstrated that miR-30a was a novel target B3GNT5 that serves an important role in the development of hydatidiform moles, suggesting that miR-30a may serve as a novel potential biomarker or useful diagnostic and therapeutic tool for hydatidiform moles in clinical settings.
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Affiliation(s)
- Zhenzhen Guo
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Qiannan Sun
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Yangyou Liao
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Chao Liu
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Wenjie Zhao
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Xiaoxue Li
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Huan Liu
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Ming Dong
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Yuhong Shang
- Department of GynecologyFirst Affiliated HospitalDalian Med UniversityDalianChina
| | - Linlin Sui
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
| | - Ying Kong
- Core Lab Glycobiol & GlycoengnCollege of Basic Medical SciencesDalian Medical UniversityDalianChina
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Upregulation of microRNA-219-5p relieves ulcerative colitis through balancing the differentiation of Treg/Th17 cells. Eur J Gastroenterol Hepatol 2020; 32:813-820. [PMID: 32175983 PMCID: PMC7269018 DOI: 10.1097/meg.0000000000001712] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE This study aimed to investigate the specific regulatory roles of microRNA-219-5p (miR-219-5p) on ulcerative colitis (UC), and reveal the potential mechanisms relating with the differentiation of Treg/Th17 cells. METHODS The mouse model of chronic UC was established by oral administration of 3% dextran sodium sulfate for three cycles. After intravenous injected with lentivirus (LV)-miR-219-5p for 24 h, the disease activity index (DAI), colon length, as well as the serum levels of Interleukin (IL)-6, -17A, -21, and -23 were measured. In addition, the histopathological changes in colon tissues were observed by Hematoxylin-eosin staining. The differentiation of Treg/Th17 cells was detected by Flow cytometry, and the expression of retinoic acid-related orphan receptor (RORrt), signal transducer and activator of transcription 3 (STAT3), and forkhead box p3 (Foxp3) were detected by quantitative real-time PCR and Western blot. RESULTS MiR-219-5p was downregulated in colonic mucosal tissues of UC mice (P < 0.05). UC mice injected with LV-miR-219-5p exhibited significantly relieved histopathological changes of colon tissues, increased colon length, decreased DAI, as well as decreased serum levels of IL-6, -17A, -21, and -23 (P < 0.05). In addition, the injection of LV-miR-219-5p significantly increased the percentage of Treg cells via upregulating Foxp3, and decreased the percentage of Th17 cells via downregulating RORrt and STAT3 in UC mice (P < 0.05). CONCLUSION The upregulation of miR-219-5p relieved the colonic damage and inflammation of UC through balancing the differentiation of Treg/Th17 cells.
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Shandilya U, Sharma A, Sodhi M, Mukesh M. Heat stress modulates differential response in skin fibroblast cells of native cattle (Bos indicus) and riverine buffaloes (Bubalus bubalis). Biosci Rep 2020; 40:BSR20191544. [PMID: 31994693 PMCID: PMC7012655 DOI: 10.1042/bsr20191544] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 12/23/2019] [Accepted: 01/07/2020] [Indexed: 01/08/2023] Open
Abstract
Heat stress in hot climates is a major cause that negatively affects dairy animals, leading to substantial economic loss. The present study was aimed to analyze the effect of heat stress on cellular and molecular levels in dermal fibroblast of cattle and buffaloes. Primary fibroblast culture was established using ear pinna tissue samples of cattle (Bos indicus) and riverine buffaloes (Bubalus Bubalis). The cells were exposed to thermal stress at 42°C for 1 h and subsequently allowed to recover and harvest at 37°C at different time points (0, 2, 4, 8, 16, and 24 h) along with control samples. Different cellular parameters viz., apoptosis, proliferation, mitochondrial membrane potential (ΔΨm), oxidative stress, along with expression pattern of heat responsive genes and miRNAs were determined. Cell viability and proliferation rate of heat-stressed fibroblasts decreased significantly (P < 0.05) albeit to a different extent in both species. The cell cytotoxicity, apoptosis, production of reactive oxygen species, and ΔΨm increased more significantly (P < 0.01) in heat stressed fibroblasts of buffalo than cattle. The pattern of heat shock proteins, inflammation/immune genes, and heat responsive miRNA showed differences in induction of their expression level in buffalo and native cattle fibroblasts. Conclusively, finding indicates that heat stress induces more profound impact on buffalo fibroblasts than native cattle fibroblasts. The differential response of cellular parameters, HSP genes, and miRNA expression could be due to better adaptive capacity of skin fibroblast of Bos indicus cattle in comparison with riverine buffaloes.
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Affiliation(s)
- Umesh K. Shandilya
- Animal Biotechnology Division, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, Haryana, India
| | - Ankita Sharma
- Animal Biotechnology Division, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, Haryana, India
| | - Monika Sodhi
- Animal Biotechnology Division, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, Haryana, India
| | - Manishi Mukesh
- Animal Biotechnology Division, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, Haryana, India
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45
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Regional Hyperexcitability and Chronic Neuropathic Pain Following Spinal Cord Injury. Cell Mol Neurobiol 2020; 40:861-878. [PMID: 31955281 DOI: 10.1007/s10571-020-00785-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 01/02/2020] [Indexed: 12/15/2022]
Abstract
Spinal cord injury (SCI) causes maladaptive changes to nociceptive synaptic circuits within the injured spinal cord. Changes also occur at remote regions including the brain stem, limbic system, cortex, and dorsal root ganglia. These maladaptive nociceptive synaptic circuits frequently cause neuronal hyperexcitability in the entire nervous system and enhance nociceptive transmission, resulting in chronic central neuropathic pain following SCI. The underlying mechanism of chronic neuropathic pain depends on the neuroanatomical structures and electrochemical communication between pre- and postsynaptic neuronal membranes, and propagation of synaptic transmission in the ascending pain pathways. In the nervous system, neurons are the only cell type that transmits nociceptive signals from peripheral receptors to supraspinal systems due to their neuroanatomical and electrophysiological properties. However, the entire range of nociceptive signaling is not mediated by any single neuron. Current literature describes regional studies of electrophysiological or neurochemical mechanisms for enhanced nociceptive transmission post-SCI, but few studies report the electrophysiological, neurochemical, and neuroanatomical changes across the entire nervous system following a regional SCI. We, along with others, have continuously described the enhanced nociceptive transmission in the spinal dorsal horn, brain stem, thalamus, and cortex in SCI-induced chronic central neuropathic pain condition, respectively. Thus, this review summarizes the current understanding of SCI-induced neuronal hyperexcitability and maladaptive nociceptive transmission in the entire nervous system that contributes to chronic central neuropathic pain.
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46
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Qin C, Feng H, Zhang C, Zhang X, Liu Y, Yang DG, Du LJ, Sun YC, Yang ML, Gao F, Li JJ. Differential Expression Profiles and Functional Prediction of tRNA-Derived Small RNAs in Rats After Traumatic Spinal Cord Injury. Front Mol Neurosci 2020; 12:326. [PMID: 31998075 PMCID: PMC6968126 DOI: 10.3389/fnmol.2019.00326] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 12/17/2019] [Indexed: 12/16/2022] Open
Abstract
Spinal cord injury (SCI) is mostly caused by trauma. As the primary mechanical injury is unavoidable, a focus on the underlying molecular mechanisms of the SCI-induced secondary injury is necessary to develop promising treatments for patients with SCI. Transfer RNA-derived small RNA (tsRNA) is a novel class of short, non-coding RNA, possessing potential regulatory functions in various diseases. However, the functional roles of tsRNAs in traumatic SCI have not been determined yet. We used a combination of sequencing, quantitative reverse transcription-polymerase chain reaction (qRT-PCR), bioinformatics, and luciferase reporter assay to screen the expression profiles and identify the functional roles of tsRNAs after SCI. As a result, 297 differentially expressed tsRNAs were identified in rats' spinal cord 1 day after contusion. Of those, 155 tsRNAs were significantly differentially expressed: 91 were significantly up-regulated, whereas 64 were significantly down-regulated after SCI (fold change > 1.5; P < 0.05). Bioinformatics analyses revealed candidate tsRNAs (tiRNA-Gly-GCC-001, tRF-Gly-GCC-012, tRF-Gly-GCC-013, and tRF-Gly-GCC-016) that might play regulatory roles through the mitogen-activated protein kinase (MAPK) and neurotrophin signaling pathways by targeting brain-derived neurotrophic factor (BDNF). We validated the candidate tsRNAs and found opposite trends in the expression levels of the tsRNAs and BDNF after SCI. Finally, tiRNA-Gly-GCC-001 was identified to target BDNF using the luciferase reporter assay. In summary, we found an altered tsRNA expression pattern and predicted tiRNA-Gly-GCC-001 might be involved in the MAPK and neurotrophin pathways by targeting the BDNF, thus regulating the post-SCI pathophysiologic processes. This study provides novel insights for future investigations to explore the mechanisms and therapeutic targets for SCI.
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Affiliation(s)
- Chuan Qin
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Hao Feng
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Chao Zhang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Xin Zhang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Yi Liu
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - De-Gang Yang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Liang-Jie Du
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Ying-Chun Sun
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,TCM Treatment Center, China Rehabilitation Research Center, Beijing, China
| | - Ming-Liang Yang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Feng Gao
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Jian-Jun Li
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China.,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China.,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China.,Chinese Institute of Rehabilitation Science, Beijing, China.,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
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47
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Lin J, Jo SB, Kim TH, Kim HW, Chew SY. RNA interference in glial cells for nerve injury treatment. J Tissue Eng 2020; 11:2041731420939224. [PMID: 32670539 PMCID: PMC7338726 DOI: 10.1177/2041731420939224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/13/2020] [Indexed: 12/12/2022] Open
Abstract
Drivers of RNA interference are potent for manipulating gene and protein levels, which enable the restoration of dysregulated mRNA expression that is commonly associated with injuries and diseases. This review summarizes the potential of targeting neuroglial cells, using RNA interference, to treat nerve injuries sustained in the central nervous system. In addition, the various methods of delivering these RNA interference effectors will be discussed.
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Affiliation(s)
- Junquan Lin
- School of Chemical and Biomedical
Engineering, Nanyang Technological University, Singapore
| | - Seung Bin Jo
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
| | - Tae-Hyun Kim
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science
& BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook
University, Cheonan, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science
& BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook
University, Cheonan, Republic of Korea
- UCL Eastman-Korea Dental Medicine
Innovation Centre, Dankook University, Cheonan, Republic of Korea
| | - Sing Yian Chew
- School of Chemical and Biomedical
Engineering, Nanyang Technological University, Singapore
- Lee Kong Chian School of Medicine,
Nanyang Technological University, Singapore
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48
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Shi S, Zhang S, Zhang H, Jin Q, Wu D. Silencing circANKRD36 protects H9c2 cells against lipopolysaccharide-induced injury via up-regulating miR-138. Exp Mol Pathol 2019; 111:104300. [DOI: 10.1016/j.yexmp.2019.104300] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/26/2019] [Accepted: 08/20/2019] [Indexed: 12/17/2022]
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49
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Zhu S, Zhou Z, Li Z, Shao J, Jiao G, Huang Y, Lin Y. Suppression of LINC00707 alleviates lipopolysaccharide-induced inflammation and apoptosis in PC-12 cells by regulated miR-30a-5p/Neurod 1. Biosci Biotechnol Biochem 2019; 83:2049-2056. [PMID: 31272297 DOI: 10.1080/09168451.2019.1637245] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
ABSTRACT
Long noncoding RNA (lncRNA) has emerged as a pivotal regulator improving neural regeneration in the progression of spinal cord injury (SCI). However, whether lncRNAs can be targeted for therapeutic intervention of SCI remains unclear. In this study, we found that LINC00707 expression was significantly up-regulated in lipopolysaccharide (LPS)-treated PC-12, a model that mimics nerve cell injury in an inflammatory environment after SCI. Suppression of LINC00707 alleviated LPS-induced inflammation and apoptosis in PC-12 cells. Furthermore, we found that LINC00707 adsorbed miR-30a-5p and silenced miR-30a-5p or overexpressed Neurod 1 reversed the effect of LINC00707 on the inflammation and apoptosis of LPS-treated PC-12 cells. These findings revealed that LINC00707 alleviates LPS-induced inflammation and apoptosis in PC-12 cells by targeting miR-30a-5p/Neurod 1, providing a preliminary theoretical basis for the clinical application of LINC00707 in SCI.
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Affiliation(s)
- Shiping Zhu
- Traditional Chinese Medicine Department, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Zhigang Zhou
- Department of Orthopedics, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Zhizhong Li
- Department of Orthopedics, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Jianli Shao
- Department of Orthopedics, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Genlong Jiao
- Department of Orthopedics, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Yu′En Huang
- Rehabitation department of Dongpu branch, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Yongxin Lin
- Department of Orthopedics, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
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50
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The microRNA in ventricular remodeling: the miR-30 family. Biosci Rep 2019; 39:BSR20190788. [PMID: 31320543 PMCID: PMC6680373 DOI: 10.1042/bsr20190788] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 07/07/2019] [Accepted: 07/16/2019] [Indexed: 12/14/2022] Open
Abstract
Ventricular remodeling (VR) is a complex pathological process of cardiomyocyte apoptosis, cardiac hypertrophy, and myocardial fibrosis, which is often caused by various cardiovascular diseases (CVDs) such as hypertension, acute myocardial infarction, heart failure (HF), etc. It is also an independent risk factor for a variety of CVDs, which will eventually to damage the heart function, promote cardiovascular events, and lead to an increase in mortality. MicroRNAs (miRNAs) can participate in a variety of CVDs through post-transcriptional regulation of target gene proteins. Among them, microRNA-30 (miR-30) is one of the most abundant miRNAs in the heart. In recent years, the study found that the miR-30 family can participate in VR through a variety of mechanisms, including autophagy, apoptosis, oxidative stress, and inflammation. VR is commonly found in ischemic heart disease (IHD), hypertensive heart disease (HHD), diabetic cardiomyopathy (DCM), antineoplastic drug cardiotoxicity (CTX), and other CVDs. Therefore, we will review the relevant mechanisms of the miR-30 in VR induced by various diseases.
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