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Afzal M, Greco F, Quinzi F, Scionti F, Maurotti S, Montalcini T, Mancini A, Buono P, Emerenziani GP. The Effect of Physical Activity/Exercise on miRNA Expression and Function in Non-Communicable Diseases-A Systematic Review. Int J Mol Sci 2024; 25:6813. [PMID: 38999923 PMCID: PMC11240922 DOI: 10.3390/ijms25136813] [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: 04/16/2024] [Revised: 06/14/2024] [Accepted: 06/18/2024] [Indexed: 07/14/2024] Open
Abstract
Exercise may differently affect the expression of key molecular markers, including skeletal muscle and circulating miRNAs, involved in cellular and metabolic pathways' regulation in healthy individuals and in patients suffering from non-communicable diseases (NCDs). Epigenetic factors are emerging as potential therapeutic biomarkers in the prognosis and treatment of NCDs and important epigenetic factors, miRNAs, play a crucial role in cellular pathways. This systematic review aims to underline the potential link between changes in miRNA expression after different types of physical activity/exercise in some populations affected by NCDs. In June 2023, we systematically investigated the following databases: PubMed, MEDLINE, Scopus, and Web of Science, on the basis of our previously established research questions and following the PRISMA guidelines. The risk of bias and quality assessment were, respectively, covered by ROB2 and the Newcastle Ottawa scale. Of the 1047 records extracted from the initial search, only 29 studies were found to be eligible. In these studies, the authors discuss the association between exercise-modulated miRNAs and NCDs. The NCDs included in the review are cancer, cardiovascular diseases (CVDs), chronic obstructive pulmonary disease (COPD), and type 2 diabetes mellitus (T2DM). We evidenced that miR-146, miR-181, miR-133, miR-21, and miRNA-1 are the most reported miRNAs that are modulated by exercise. Their expression is associated with an improvement in health markers and they may be a potential target in terms of the development of future therapeutic tools.
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Affiliation(s)
- Moomna Afzal
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
| | - Francesca Greco
- Department of Movement, Human and Health Sciences, Foro Italico University of Rome, 00135 Rome, Italy
| | - Federico Quinzi
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
| | - Francesca Scionti
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
| | - Samantha Maurotti
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
| | - Tiziana Montalcini
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
- Research Center for the Prevention and Treatment of Metabolic Diseases, University Magna Grecia, 88100 Catanzaro, Italy
| | - Annamaria Mancini
- Department of Medicine, Movement Sciences and Wellbeing, University Parthenope, 80133 Naples, Italy
- CEINGE-Biotecnologie Avanzate Franco Salvatore s.r.l, 80131 Naples, Italy
| | - Pasqualina Buono
- Department of Medicine, Movement Sciences and Wellbeing, University Parthenope, 80133 Naples, Italy
- CEINGE-Biotecnologie Avanzate Franco Salvatore s.r.l, 80131 Naples, Italy
| | - Gian Pietro Emerenziani
- Department of Clinical and Experimental Medicine, University Magna Grecia, 88100 Catanzaro, Italy
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Bao Y, Zhu L, Wang Y, Liu J, Liu Z, Li Z, Zhou A, Wu H. Gualou-Xiebai herb pair and its active ingredients act against atherosclerosis by suppressing VSMC-derived foam cell formation via regulating P2RY12-mediated lipophagy. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155341. [PMID: 38518636 DOI: 10.1016/j.phymed.2024.155341] [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: 10/23/2023] [Revised: 12/28/2023] [Accepted: 01/06/2024] [Indexed: 03/24/2024]
Abstract
BACKGROUND Atherosclerosis (AS) is a chronic disease characterized by lipid accumulation in the aortic wall and the formation of foam cells overloaded with large lipids inclusions. Currently, Western medicine is primarily used to improve lipid metabolism disorders and reduce inflammatory reactions to delay AS progression, but these medicines come with serious side effects and drug resistance. Gualou-Xiebai (GLXB) is a renowned herb pair that has been proven effective against AS. However, the potential molecular mechanism through which GLXB exerts the anti-atherosclerotic effects of increasing lipophagy in vascular smooth muscle cells (VSMCs) remains unknown. PURPOSE This study aims to explore the role of lipophagy and the therapeutic mechanism of GLXB in AS. METHODS UPLC-Q-TOF-MS for the determination of the main components of GLXB-containing serum. An AS mouse model was established by feeding a high-fat diet (HFD) to ApoE-/- mice for 12 weeks. Ultrasonography monitoring was used to confirm the successful establishment of the AS model. Plaque areas and lipid deposition were evaluated using HE staining and aorta imagingafter GLXB treatment. Immunofluorescence staining and Western blotting were utilized to observe the P2RY12 and lipophagy levels in AS mice. VSMCs were stimulated with oxidized low-density lipoprotein (ox-LDL) to induce foam cell formation. The degree of lipophagy and the related molecular mechanisms were assessed after treating the VSMCs with GLXB-containing serum or si-P2RY12 transfection. The active components of GLXB-containing serum that act on P2RY12 were screened and verified by molecular docking and dual-luciferase reporter assays. RESULTS Seventeen components of GLXB were identified in rat serum by UPLC-Q-TOF-MS. GLXB significantly reduced lipid deposition in HFD-fed ApoE-/- mice and ox-LDL-induced VSMCs. GLXB strikingly increased lipophagy levels by downregulating P2RY12, p62, and plin2, upregulating LC3Ⅱ protein expression, and increasing the number of autophagosomes. Notably, the lipophagy inhibitor CQ and the P2RY12 receptor agonist ADPβ abolished the GLXB-induced increase in lipophagy. Last, we confirmed that albiflorin, apigenin, luteolin, kaempferol, 7,8-dihydroxyflavone, and hesperetin from GLXB significantly inhibited P2RY12. CONCLUSION GLXB activates lipophagy and inhibits lipid accumulation-associated VSMC-derived foam cell formation through suppressing P2RY12 activation, resulting in anti-atherosclerotic effects. The GLXB components albiflorin, apigenin, luteolin, kaempferol, 7,8-dihydroxyflavone, and hesperetin are the potential active effectors against P2RY12.
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MESH Headings
- Animals
- Atherosclerosis/drug therapy
- Foam Cells/drug effects
- Foam Cells/metabolism
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/metabolism
- Male
- Mice
- Drugs, Chinese Herbal/pharmacology
- Receptors, Purinergic P2Y12/metabolism
- Diet, High-Fat
- Mice, Inbred C57BL
- Myocytes, Smooth Muscle/drug effects
- Myocytes, Smooth Muscle/metabolism
- Rats
- Disease Models, Animal
- Autophagy/drug effects
- Rats, Sprague-Dawley
- Lipid Metabolism/drug effects
- Aorta/drug effects
- Lipoproteins, LDL/metabolism
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Affiliation(s)
- Youli Bao
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Li Zhu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Yuting Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Jiahui Liu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Zijian Liu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Zhenglong Li
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - An Zhou
- The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China; Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei 230012, China.
| | - Hongfei Wu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China.
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3
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Wang MJ, Jing XY, Wang YZ, Yang BR, Lu Q, Hu H, Kang L. Exercise, Spinal Microglia and Neuropathic Pain: Potential Molecular Mechanisms. Neurochem Res 2024; 49:29-37. [PMID: 37725293 PMCID: PMC10776684 DOI: 10.1007/s11064-023-04025-4] [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: 05/22/2023] [Revised: 08/28/2023] [Accepted: 08/31/2023] [Indexed: 09/21/2023]
Abstract
As one of the most common neuropathic disorders, neuropathic pain often has a negative impact on patients with persistent pain, mood disorders and sleep disturbances. Currently, neuropathic pain is not treated with any specific drug, instead, drugs for other diseases are used as replacements in clinics, but most have adverse effects. In recent years, the role of spinal cord microglia in the pathogenesis of neuropathic pain has been widely recognized, and they are being explored as potential therapeutic targets. Spinal microglia are known to be involved in the pathogenic mechanisms of neuropathic pain through purine signaling, fractalkine signaling, and p38 MAPK signaling. Exercise is a safe and effective treatment, and numerous studies have demonstrated its effectiveness in improving neurological symptoms. Nevertheless, it remains unclear what the exact molecular mechanism is. This review summarized the specific molecular mechanisms of exercise in alleviating neuropathic pain by mediating the activity of spinal microglia and maintaining the phenotypic homeostasis of spinal microglia through purine signaling, fractalkine signaling and p38 MAPK signaling. In addition, it has been proposed that different intensities and types of exercise affect the regulation of the above-mentioned signaling pathways differently, providing a theoretical basis for the improvement of neuropathic pain through exercise.
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Affiliation(s)
- Min-Jia Wang
- Institute of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Xin-Yu Jing
- Department of Postpartum Rehabilitation, Sichuan Jinxin Women and Children Hospital, Chengdu, 610041, China
| | - Yao-Zheng Wang
- Institute of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Bi-Ru Yang
- Institute of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Qu Lu
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, 100084, China
| | - Hao Hu
- Institute of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Liang Kang
- Institute of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China.
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Kordi N, Saydi A, Karami S, Bagherzadeh-Rahmani B, Marzetti E, Jung F, Stockwell BR. Ferroptosis and aerobic training in ageing. Clin Hemorheol Microcirc 2024; 87:347-366. [PMID: 38306027 DOI: 10.3233/ch-232076] [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: 02/03/2024]
Abstract
Ferroptosis is a form of programmed cell death that plays a significant role in causing several diseases such as heart attack and heart failure, through alterations in fat, amino acid, and iron metabolism. Comprehending the regulatory mechanisms of ferroptosis signaling is critical because it has a considerable effect on the elderly's mortality. Conversely, age-related changes in substrate metabolism and metabolite levels are recognized to give rise to obesity. Furthermore, research has proposed that aging and obesity-related changes in substrate metabolism may aggravate ferroptosis. The suppression of ferroptosis holds potential as a successful therapeutic approach for managing different diseases, including sarcopenia, cardiovascular diseases, and central nervous system diseases. However, the pathologic and biological mechanisms behind the function of ferroptosis are not fully comprehended yet. Physical activity could affect lipid, amino acid, and iron metabolism to modulate ferroptosis. The aim of this study is to showcase the current understanding of the molecular mechanisms leading to ferroptosis and discuss the role of aging and physical activity in this phenomenon.
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Affiliation(s)
- Negin Kordi
- Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran
| | - Ali Saydi
- Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran
| | - Sajad Karami
- Faculty of Physical Education and Sport Science, Shahid Rajaee Teacher Training University, Tehran, Iran
| | - Behnam Bagherzadeh-Rahmani
- Department of Exercise Physiology, Faculty of Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran
| | - Emanuele Marzetti
- Department of Geriatrics and Orthopedics, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Friedrich Jung
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus-Senftenberg, Senftenberg, Germany
| | - Brent R Stockwell
- Department of Chemistry, Columbia University, NewYork, NY, USA
- Department of Biological Sciences, Columbia University, New York, NY, USA
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Barale C, Melchionda E, Tempesta G, Morotti A, Russo I. Impact of Physical Exercise on Platelets: Focus on Its Effects in Metabolic Chronic Diseases. Antioxidants (Basel) 2023; 12:1609. [PMID: 37627603 PMCID: PMC10451697 DOI: 10.3390/antiox12081609] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Chronic disorders are strongly linked to cardiovascular (CV) diseases, and it is unanimously accepted that regular exercise training is a key tool to improving CV risk factors, including diabetes, dyslipidemia, and obesity. Increased oxidative stress due to an imbalance between reactive oxygen species production and their scavenging by endogenous antioxidant capacity is the common ground among these metabolic disorders, and each of them affects platelet function. However, the correction of hyperglycemia in diabetes and lipid profile in dyslipidemia as well as the lowering of body weight in obesity all correlate with amelioration of platelet function. Habitual physical exercise triggers important mechanisms related to the exercise benefits for health improvement and protects against CV events. Platelets play an important role in many physiological and pathophysiological processes, including the development of arterial thrombosis, and physical (in)activity has been shown to interfere with platelet function. Although data reported by studies carried out on this topic show discrepancies, the current knowledge on platelet function affected by exercise mainly depends on the type of applied exercise intensity and whether acute or habitual, strenuous or moderate, thus suggesting that physical activity and exercise intensity may interfere with platelet function differently. Thus, this review is designed to cover the aspects of the relationship between physical exercise and vascular benefits, with an emphasis on the modulation of platelet function, especially in some metabolic diseases.
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Affiliation(s)
| | | | | | | | - Isabella Russo
- Department of Clinical and Biological Sciences of Turin University, Regione Gonzole, 10, Orbassano, I-10043 Turin, Italy; (C.B.); (E.M.); (G.T.); (A.M.)
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Shafie N, Kordi N, Gadruni K, SalehFard Z, Jung F, Heidari N. Cardiac rehabilitation in coronary artery bypass grafting patients: Effect of eight weeks of moderate-intensity continuous training versus high-intensity interval training. Clin Hemorheol Microcirc 2023; 83:305-314. [PMID: 36683497 DOI: 10.3233/ch-221605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Physical training in patients with heart failure can affect hemodynamic, cardiac and angiogenesis parameters. OBJECTIVE The aim of the present study was to investigate the effects of traditional moderate-intensity rehabilitation training and interval training on some angiogenesis factors in coronary artery bypass graft (CABG) patients. METHODS Thirty CABG patients (mean age±SD, 55±3 years) were randomly assigned to one of three groups: high-intensity interval training (HIIT) or moderate-intensity continuous training (MICT) or the control group. After the initial assessments, eligible patients in the experimental groups (HIIT and MICT) performed exercise training for 8 weeks, while the control group did not. Angiogenesis and angiostatic indices, including pro-adrenomedullin (pro-ADM), basic fibroblast growth factor (bFGF), and endostatin, were then measured. RESULTS The results showed no significant difference between pro-ADM in the HIIT and MICT groups (P = 0.99), but a significant difference was found between MICT and the control group and between HIIT and the control group (P = 0.001). There is also no significant difference between the bFGF levels in the HIIT and MICT training groups (P = 1.00), but the changes in this factor between the training groups and the control group were significant (P = 0.001). There was a significant difference between the levels of endostatin in all three groups. CONCLUSIONS Two methods of cardiac rehabilitation (HIIT and MICT) may be useful for the recovery of patients with coronary artery bypass grafting. This improvement manifested itself in changes in angiogenesis and angiostatic indices in this study. However, more extensive studies are needed to investigate the effects of these two types of rehabilitation programs on other indicators of angiogenesis and angiostatic.
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Affiliation(s)
- Neda Shafie
- Department of Sport Physiology, Faculty of Sport Sciences, The University of Mazandaran, Babolsar, Iran
| | - Negin Kordi
- Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran
| | - Keivan Gadruni
- Faculty of Physical Education, University of Tabriz, Tabriz, Iran; Kurdistan Education Office, Ministry of Education, Kurdistan, Iran; Uro-Oncology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ziba SalehFard
- Department of Sport Physiology, School of Physical Education and Sport Sciences, Alzahra University, Tehran, Iran
| | - Friedrich Jung
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus-Senftenberg, Senftenberg, Germany
| | - Naser Heidari
- Faculty of Sport Science, Shahid Rajaei Teacher Training University, Tehran, Iran
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Epigenetic regulation of aging: implications for interventions of aging and diseases. Signal Transduct Target Ther 2022; 7:374. [PMID: 36336680 PMCID: PMC9637765 DOI: 10.1038/s41392-022-01211-8] [Citation(s) in RCA: 126] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/14/2022] [Accepted: 09/28/2022] [Indexed: 11/09/2022] Open
Abstract
Aging is accompanied by the decline of organismal functions and a series of prominent hallmarks, including genetic and epigenetic alterations. These aging-associated epigenetic changes include DNA methylation, histone modification, chromatin remodeling, non-coding RNA (ncRNA) regulation, and RNA modification, all of which participate in the regulation of the aging process, and hence contribute to aging-related diseases. Therefore, understanding the epigenetic mechanisms in aging will provide new avenues to develop strategies to delay aging. Indeed, aging interventions based on manipulating epigenetic mechanisms have led to the alleviation of aging or the extension of the lifespan in animal models. Small molecule-based therapies and reprogramming strategies that enable epigenetic rejuvenation have been developed for ameliorating or reversing aging-related conditions. In addition, adopting health-promoting activities, such as caloric restriction, exercise, and calibrating circadian rhythm, has been demonstrated to delay aging. Furthermore, various clinical trials for aging intervention are ongoing, providing more evidence of the safety and efficacy of these therapies. Here, we review recent work on the epigenetic regulation of aging and outline the advances in intervention strategies for aging and age-associated diseases. A better understanding of the critical roles of epigenetics in the aging process will lead to more clinical advances in the prevention of human aging and therapy of aging-related diseases.
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Leng Q, Ding J, Dai M, Liu L, Fang Q, Wang DW, Wu L, Wang Y. Insights Into Platelet-Derived MicroRNAs in Cardiovascular and Oncologic Diseases: Potential Predictor and Therapeutic Target. Front Cardiovasc Med 2022; 9:879351. [PMID: 35757325 PMCID: PMC9218259 DOI: 10.3389/fcvm.2022.879351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/24/2022] [Indexed: 11/28/2022] Open
Abstract
Non-communicable diseases (NCDs), represented by cardiovascular diseases and cancer, have been the leading cause of death globally. Improvements in mortality from cardiovascular (CV) diseases (decrease of 14%/100,000, United States) or cancers (increase 7.5%/100,000, United States) seem unsatisfactory during the past two decades, and so the search for innovative and accurate biomarkers of early diagnosis and prevention, and novel treatment strategies is a valuable clinical and economic endeavor. Both tumors and cardiovascular system are rich in angiological systems that maintain material exchange, signal transduction and distant regulation. This pattern determines that they are strongly influenced by circulating substances, such as glycolipid metabolism, inflammatory homeostasis and cyclic non-coding RNA and so forth. Platelets, a group of small anucleated cells, inherit many mature proteins, mRNAs, and non-coding RNAs from their parent megakaryocytes during gradual formation and manifest important roles in inflammation, angiogenesis, atherosclerosis, stroke, myocardial infarction, diabetes, cancer, and many other diseases apart from its classical function in hemostasis. MicroRNAs (miRNAs) are a class of non-coding RNAs containing ∼22 nucleotides that participate in many key cellular processes by pairing with mRNAs at partially complementary binding sites for post-transcriptional regulation of gene expression. Platelets contain fully functional miRNA processors in their microvesicles and are able to transport their miRNAs to neighboring cells and regulate their gene expression. Therefore, the importance of platelet-derived miRNAs for the human health is of increasing interest. Here, we will elaborate systematically the roles of platelet-derived miRNAs in cardiovascular disease and cancer in the hope of providing clinicians with new ideas for early diagnosis and therapeutic strategies.
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Mao X, Wang L, Chen C, Tao L, Ren S, Zhang L. Circ_0124644 enhances ox-LDL-induced cell damages in human umbilical vein endothelial cells through upregulating FOXO4 by sponging miR-370-3p. Clin Hemorheol Microcirc 2022; 81:135-147. [PMID: 35570481 DOI: 10.3233/ch-211375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND: Circular RNA circ_0124644 has crucial regulation in the progression of coronary artery diseases, including atherosclerosis (AS). The aim of this study was to explore the regulatory mechanism of circ_0124644 in oxidized low-density lipoprotein (ox-LDL)-induced endothelial injury in human umbilical vein endothelial cells (HUVECs). METHODS: Cell viability and proliferation were assessed using cell counting kit-8 (CCK-8) assay and EdU assay. The apoptosis detection was performed by flow cytometry. Angiogenesis was evaluated through tube formation assay. The protein analysis was conducted via western blot. Inflammatory cytokines were examined by enzyme-linked immunosorbent assay (ELISA). The expression determination of circ_0124644, microRNA-370-3p (miR-370-3p) and forkhead box protein O4 (FOXO4) was performed through reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay were used to analyze the interaction between targets. RESULTS: Treatment of ox-LDL resulted in the inhibition of cell viability, proliferation and angiogenesis but the promotion of apoptosis and inflammation in HUVECs. These ox-LDL-induced cell damages were alleviated after the downregulation of circ_0124644. Circ_0124644 interacted with miR-370-3p, and the regulatory role of circ_0124644 was associated with the sponge function of miR-370-3p. Additionally, miR-370-3p targeted FOXO4 and circ_0124644 increased the expression of FOXO4 through acting as a sponge of miR-370-3p. Overexpression of miR-370-3p protected from ox-LDL-induced injury via the downregulation of FOXO4. CONCLUSION: All results revealed that circ_0124644 accelerated endothelial injury in ox-LDL-treated HUVECs by mediating miR-370-3p-related FOXO4 expression.
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Affiliation(s)
- Xiang Mao
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
| | - Lingqing Wang
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
| | - Changgong Chen
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
| | - Luyuan Tao
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
| | - Shijia Ren
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
| | - Li Zhang
- Department of Cardiology, the First People’s Hospital of Taizhou City, Taizhou, Zhejiang, China
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