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Pu J, Han J, Yang J, Yu L, Wan H. Anaerobic Glycolysis and Ischemic Stroke: From Mechanisms and Signaling Pathways to Natural Product Therapy. ACS Chem Neurosci 2024; 15:3090-3105. [PMID: 39140296 DOI: 10.1021/acschemneuro.4c00371] [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: 08/15/2024] Open
Abstract
Ischemic stroke is a serious condition that results in high rates of illness and death. Anaerobic glycolysis becomes the primary means of providing energy to the brain during periods of low oxygen levels, such as in the aftermath of an ischemic stroke. This process is essential for maintaining vital brain functions and has significant implications for recovery following a stroke. Energy supply by anaerobic glycolysis and acidosis caused by lactic acid accumulation are important pathological processes after ischemic stroke. Numerous natural products regulate glucose and lactate, which in turn modulate anaerobic glycolysis. This article focuses on the relationship between anaerobic glycolysis and ischemic stroke, as well as the associated signaling pathways and natural products that play a therapeutic role. These natural products, which can regulate anaerobic glycolysis, will provide new avenues and perspectives for the treatment of ischemic stroke in the future.
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Affiliation(s)
- Jia Pu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Jin Han
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Jiehong Yang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Li Yu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
- Center of Safety Evaluation and Research, Hangzhou Medical College, Hangzhou, Zhejiang 310053, China
| | - Haitong Wan
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
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Wu L, Cheng Y, Wang R, Sun S, Ma B, Zhang Z. NDRG2 regulates glucose metabolism and ferroptosis of OGD/R-treated astrocytes by the Wnt/β-catenin signaling. J Biochem Mol Toxicol 2024; 38:e23827. [PMID: 39193856 DOI: 10.1002/jbt.23827] [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: 10/14/2023] [Revised: 07/10/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Ischemic stroke is one main type of cerebrovascular disorders with leading cause of death and disability worldwide. Astrocytes are the only nerve cell type storing glycogen in the brain, which regulate the glucose metabolism and handle the energy supply and survive of neurons. Astrocyte ferroptosis contributes to neuron injury in brain disorders. N-myc downstream-regulated gene 2 (NDRG2) has been implicated in the progression of brain diseases, including ischemic stroke. However, whether NDRG2 could affect the glucose metabolism and ferroptosis of astrocytes during ischemic stroke remains largely unknown. Mouse astrocytes were treated with oxygen-glucose deprivation/reoxygenation (OGD/R) to establish the in vitro model. Glial fibrillary acidic protein, NDRG2, Wnt3a and β-catenin expression levels were detected by immunofluorescence staining and western blot analyses. Glucose metabolism was investigated by glucose uptake, lactate production, nicotinamide adenine dinucleotide phosphate hydrogen/nicotinamide adenine dinucleotide phosphate (NADPH/NADP+), ATP and glycolysis enzymes (HK2, PKM2 and lactate dehydrogenase A [LDHA]) levels. Ferroptosis was assessed via reactive oxygen species (ROS), glutathione (GSH), iron and ferroptosis-related markers (GPX4 and PTGS2) contents. Glycolysis enzymes and ferroptosis-related markers levels were measured via western blot. NDRG2 expression was elevated in OGD/R-induced astrocytes. NDRG2 overexpression aggravated OGD/R-induced loss of glucose metabolism through reducing glucose uptake, lactate production, NADPH/NADP+ and ATP levels. NDRG2 upregulation exacerbated OGD/R-caused reduction of glycolysis enzymes (HK2, PKM2 and LDHA) levels. NDRG2 promoted OGD/R-induced ferroptosis of astrocytes by increasing ROS, iron and PTGS2 levels and decreasing GSH and GPX4 levels. NDRG2 overexpression enhanced OGD/R-induced decrease of Wnt/β-catenin signaling activation by reducing Wnt3a and β-catenin expression. NDRG2 silencing played an opposite effect. Inhibition of Wnt/β-catenin signaling activation by IWR-1 attenuated the influences of NDRG2 knockdown on glucose metabolism, glycolysis enzymes levels and ferroptosis. These findings demonstrated that NDRG2 contributes to OGD/R-induced inhibition of glucose metabolism and promotion of ferroptosis in astrocytes through inhibiting Wnt/β-catenin signaling activation, which might be associated with ischemic stroke progression.
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Affiliation(s)
- Lin Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Yingying Cheng
- Department of Neurosurgery, The Second Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Runfeng Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Shukai Sun
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Bo Ma
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Zhiguo Zhang
- Department of Neurosurgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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Zhang X, Lei Y, Zhou H, Liu H, Xu P. The Role of PKM2 in Multiple Signaling Pathways Related to Neurological Diseases. Mol Neurobiol 2024; 61:5002-5026. [PMID: 38157121 DOI: 10.1007/s12035-023-03901-y] [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: 09/09/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Pyruvate kinase M2 (PKM2) is a key rate-limiting enzyme in glycolysis. It is well known that PKM2 plays a vital role in the proliferation of tumor cells. However, PKM2 can also exert its biological functions by mediating multiple signaling pathways in neurological diseases, such as Alzheimer's disease (AD), cognitive dysfunction, ischemic stroke, post-stroke depression, cerebral small-vessel disease, hypoxic-ischemic encephalopathy, traumatic brain injury, spinal cord injury, Parkinson's disease (PD), epilepsy, neuropathic pain, and autoimmune diseases. In these diseases, PKM2 can exert various biological functions, including regulation of glycolysis, inflammatory responses, apoptosis, proliferation of cells, oxidative stress, mitochondrial dysfunction, or pathological autoimmune responses. Moreover, the complexity of PKM2's biological characteristics determines the diversity of its biological functions. However, the role of PKM2 is not entirely the same in different diseases or cells, which is related to its oligomerization, subcellular localization, and post-translational modifications. This article will focus on the biological characteristics of PKM2, the regulation of PKM2 expression, and the biological role of PKM2 in neurological diseases. With this review, we hope to have a better understanding of the molecular mechanisms of PKM2, which may help researchers develop therapeutic strategies in clinic.
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Affiliation(s)
- Xiaoping Zhang
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yihui Lei
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hongyan Zhou
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Haijun Liu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Ping Xu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
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Guo H, Li Y, Wang S, Yang Y, Xu T, Zhao J, Wang J, Zuo W, Wang P, Zhao G, Wang H, Hou W, Dong H, Cai Y. Dysfunction of astrocytic glycophagy exacerbates reperfusion injury in ischemic stroke. Redox Biol 2024; 74:103234. [PMID: 38861834 PMCID: PMC11215420 DOI: 10.1016/j.redox.2024.103234] [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: 05/05/2024] [Revised: 05/27/2024] [Accepted: 06/06/2024] [Indexed: 06/13/2024] Open
Abstract
Glycophagy has evolved from an alternative glycogen degradation pathway into a multifaceted pivot to regulate cellular metabolic hemostasis in peripheral tissues. However, the pattern of glycophagy in the brain and its potential therapeutic impact on ischemic stroke remain unknown. Here, we observed that the dysfunction of astrocytic glycophagy was caused by the downregulation of the GABA type A receptor-associated protein like 1 (GABARAPL1) during reperfusion in ischemic stroke patients and mice. PI3K-Akt pathway activation is involved in driving GABARAPL1 downregulation during cerebral reperfusion. Moreover, glycophagy dysfunction-induced glucosamine deficiency suppresses the nuclear translocation of specificity protein 1 and TATA binding protein, the transcription factors for GABARAPL1, by decreasing their O-GlcNAcylation levels, and accordingly feedback inhibits GABARAPL1 in astrocytes during reperfusion. Restoring astrocytic glycophagy by overexpressing GABARAPL1 decreases DNA damage and oxidative injury in astrocytes and improves the survival of surrounding neurons during reperfusion. In addition, a hypocaloric diet in the acute phase after cerebral reperfusion can enhance astrocytic glycophagic flux and accelerate neurological recovery. In summary, glycophagy in the brain links autophagy, metabolism, and epigenetics together, and glycophagy dysfunction exacerbates reperfusion injury after ischemic stroke.
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Affiliation(s)
- Haiyun Guo
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yumeng Li
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Shiquan Wang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yongheng Yang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tiantian Xu
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jianshuai Zhao
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jin Wang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wenqiang Zuo
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Pengju Wang
- The State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Guangchao Zhao
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Huaning Wang
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wugang Hou
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Hailong Dong
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Yanhui Cai
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China; Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China.
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Xia Y, Wei K, Jiang L, Zou D, Yang Y, Wu S, Hu F, Ma Y. Expression levels and clinical significance of serum miR-19a/CCL20 in patients with acute cerebral infarction. Open Med (Wars) 2024; 19:20240977. [PMID: 38961881 PMCID: PMC11221218 DOI: 10.1515/med-2024-0977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 07/05/2024] Open
Abstract
Acute cerebral infarction (ACI) is a lethal disease whose early diagnosis is critical for treatment. microRNA (miR)-19a targets CC chemokine ligand 20 (CCL20) in myocardial infarction. We investigated the expression patterns of serum miR-19a and CCL20 of ACI patients and assessed their clinical values. Serum samples of 50 healthy subjects and110 ACI patients were collected. Serum levels of miR-19a, CCL20 mRNA, and biochemical indexes were assessed. miR-19a downstream target gene and the binding relationship between miR-19a and CCL20 were predicted and verified. miR-19a and CCL20 mRNA were subjected to correlation and diagnostic efficiency analysis. miR-19a was poorly expressed in the serum of ACI patients, especially in patients with unstable plaque and large infarction. tumor necrosis factor-α, low-density lipoprotein, and platelet/lymphocyte ratio negatively correlated with serum miR-19a level and positively correlated with CCL20. Dual-luciferase assay revealed that miR-19a could negatively regulate CCL20 expression. CCL20 was highly expressed in the serum of ACI patients. The area under receiver-operating characteristic curve of miR-19a combined with CCL20 was 0.9741 (98.00% specificity, 90.91% sensitivity), higher than their single diagnosis. Collectively, miR-19a had high diagnostic value for ACI and could target to restrain CCL20. The combination of miR-19a and CCL20 improved diagnostic value for ACI.
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Affiliation(s)
- Yongli Xia
- Department of Neurosurgery, Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
- Clinical Medicine Department, Sichuan College of Traditional Chinese Medicine, Mianyang621000, Sichuan, China
- Department of Neurosurgery, Anzhou District People’s Hospital, Mianyang622650, Sichuan, China
| | - Kun Wei
- Department of Neurosurgery, Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Lingli Jiang
- Department of Neurosurgery, General Hospital of The Western Theater Command, Chengdu610083, Sichuan, China
| | - Dongbo Zou
- Department of Neurosurgery, General Hospital of The Western Theater Command, Chengdu610083, Sichuan, China
| | - Yuting Yang
- Department of Neurosurgery, General Hospital of The Western Theater Command, Chengdu610083, Sichuan, China
| | - Song Wu
- Department of Neurosurgery, Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Fei Hu
- Department of Neurosurgery, Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Yuan Ma
- Department of Neurosurgery, Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
- Department of Neurosurgery, General Hospital of The Western Theater Command, Chengdu610083, Sichuan, China
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Wang Z, Zhang S, Cheng R, Jiang A, Qin X. Knockdown of RGMA improves ischemic stroke via Reprogramming of Neuronal Metabolism. Free Radic Biol Med 2024; 218:41-56. [PMID: 38556067 DOI: 10.1016/j.freeradbiomed.2024.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Abstract
Neuronal energy metabolism dysregulation is involved in various pathologies of Ischemia-reperfusion (I/R), yet the role of RGMA in neuronal metabolic reprogramming has not been reported. In this study, we found that RGMA expression significantly increased after I/R, and compared to control mice, mice with MCAO/R showed an increase in glycolytic metabolic products and the expression of glycolytic pathway proteins. Furthermore, RGMA levels are closely related to neuronal energy metabolism. We discovered that knockdown of RGMA can shift neuronal energy metabolism towards oxidative phosphorylation and the pentose phosphate pathway, thereby protecting mice from ischemic reperfusion injury. Mechanistically, knockdown of RGMA can downregulate PGK1 expression, reducing the increase in glycolytic flux following ischemia reperfusion. Moreover, we found that knockdown of RGMA can reduce the interaction between USP10 and PGK1, thus affecting the ubiquitination degradation of PGK1. In summary, our data suggest that RGMA may regulate neuronal energy metabolism by inhibiting the USP10-mediated deubiquitination of PGK1, thus protecting it from I/R injury. This study provides new ideas for clarifying the intrinsic mechanism of neuronal damage after I/R.
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Affiliation(s)
- Zijie Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Shaoru Zhang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Ruiqi Cheng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Anan Jiang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xinyue Qin
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Boxhammer E, Dienhart C, Rezar R, Hoppe UC, Lichtenauer M. Deciphering the Role of microRNAs: Unveiling Clinical Biomarkers and Therapeutic Avenues in Atrial Fibrillation and Associated Stroke-A Systematic Review. Int J Mol Sci 2024; 25:5568. [PMID: 38791605 PMCID: PMC11122365 DOI: 10.3390/ijms25105568] [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: 04/17/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 05/26/2024] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression by binding to target messenger RNAs (mRNAs). miRNAs have been implicated in a variety of cardiovascular and neurological diseases, such as myocardial infarction, cardiomyopathies of various geneses, rhythmological diseases, neurodegenerative illnesses and strokes. Numerous studies have focused on the expression of miRNA patterns with respect to atrial fibrillation (AF) or acute ischemic stroke (AIS) However, only a few studies have addressed the expression pattern of miRNAs in patients with AF and AIS in order to provide not only preventive information but also to identify therapeutic potentials. Therefore, the aim of this review is to summarize 18 existing manuscripts that have dealt with this combined topic of AF and associated AIS in detail and to shed light on the most frequently mentioned miRNAs-1, -19, -21, -145 and -146 with regard to their molecular mechanisms and targets on both the heart and the brain. From this, possible diagnostic and therapeutic consequences for the future could be derived.
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Affiliation(s)
- Elke Boxhammer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria (U.C.H.); (M.L.)
| | - Christiane Dienhart
- Department of Internal Medicine I, Division of Gastroenterology, Hepathology, Nephrology, Metabolism and Diabetology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Richard Rezar
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria (U.C.H.); (M.L.)
| | - Uta C. Hoppe
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria (U.C.H.); (M.L.)
| | - Michael Lichtenauer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria (U.C.H.); (M.L.)
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Gareev I, Beylerli O, Zhao B. MiRNAs as potential therapeutic targets and biomarkers for non-traumatic intracerebral hemorrhage. Biomark Res 2024; 12:17. [PMID: 38308370 PMCID: PMC10835919 DOI: 10.1186/s40364-024-00568-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/20/2024] [Indexed: 02/04/2024] Open
Abstract
Non-traumatic intracerebral hemorrhage (ICH) is the most common type of hemorrhagic stroke, most often occurring between the ages of 45 and 60. Hypertension is most often the cause of ICH. Less often, atherosclerosis, blood diseases, inflammatory changes in cerebral vessels, intoxication, vitamin deficiencies, and other reasons cause hemorrhages. Cerebral hemorrhage can occur by diapedesis or as a result of a ruptured vessel. This very dangerous disease is difficult to treat, requires surgery and can lead to disability or death. MicroRNAs (miRNAs) are a class of non-coding RNAs (about 18-22 nucleotides) that are involved in a variety of biological processes including cell differentiation, proliferation, apoptosis, etc., through gene repression. A growing number of studies have demonstrated miRNAs deregulation in various cardiovascular diseases, including ICH. In addition, given that computed tomography (CT) and/or magnetic resonance imaging (MRI) are either not available or do not show clear signs of possible vessel rupture, accurate and reliable analysis of circulating miRNAs in biological fluids can help in early diagnosis for prevention of ICH and prognosis patient outcome after hemorrhage. In this review, we highlight the up-to-date findings on the deregulated miRNAs in ICH, and the potential use of miRNAs in clinical settings, such as therapeutic targets and non-invasive diagnostic/prognostic biomarker tools.
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Affiliation(s)
- Ilgiz Gareev
- Bashkir State Medical University, Ufa, 450008, Russia
| | - Ozal Beylerli
- Bashkir State Medical University, Ufa, 450008, Russia
| | - Boxian Zhao
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, No. 23 Youzheng Street, Nangang District, Harbin, 150001, China.
- Harbin Medical University No, 157, Baojian Road, Nangang District, Harbin, 150001, China.
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Liang J, Wan Z, Qian C, Rasheed M, Cao C, Sun J, Wang X, Chen Z, Deng Y. The pyroptosis mediated biomarker pattern: an emerging diagnostic approach for Parkinson's disease. Cell Mol Biol Lett 2024; 29:7. [PMID: 38172670 PMCID: PMC10765853 DOI: 10.1186/s11658-023-00516-y] [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: 07/25/2023] [Accepted: 11/24/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Parkinson's disease (PD) affects 1% of people over 60, and long-term levodopa treatment can cause side effects. Early diagnosis is of great significance in slowing down the pathological process of PD. Multiple pieces of evidence showed that non-coding RNAs (ncRNAs) could participate in the progression of PD pathology. Pyroptosis is known to be regulated by ncRNAs as a key pathological feature of PD. Therefore, evaluating ncRNAs and pyroptosis-related proteins in serum could be worthy biomarkers for early diagnosis of PD. METHODS NcRNAs and pyroptosis/inflammation mRNA levels were measured with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR). Luciferase assays were performed to confirm GSDME as a target of miR-675-5p and HMGB1 as a target of miR-1247-5p. In the serum of healthy controls (n = 106) and PD patients (n = 104), RT-qPCR was utilized to assess miR-675-5p, miR-1247-5p, and two related ncRNAs (circSLC8A1and lncH19) levels. The enzyme-linked immunosorbent assay measured serum levels of pyroptosis-related proteins in controls (n = 54) and PD patients (n = 70). RESULTS Our data demonstrated that miR-675-5p and miR-1247-5p significantly changed in PD neuron and animal models. Overexpressed miR-675-5p or downregulated miR-1247-5p could regulate pyroptosis and inflammation in PD neuron models. Using the random forest algorithm, we constructed a classifier based on PD neuron-pyroptosis pathology (four ncRNAs and six proteins) having better predictive power than single biomarkers (AUC = 92%). Additionally, we verified the performance of the classifier in early-stage PD patients (AUC ≥ 88%). CONCLUSION Serum pyroptosis-related ncRNAs and proteins could serve as reliable, inexpensive, and non-invasive diagnostic biomarkers for PD. LIMITATIONS All participants were from the same region. Additionally, longitudinal studies in the aged population are required to explore the practical application value of the classifier.
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Affiliation(s)
- Junhan Liang
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China
| | - Zhirong Wan
- Department of Neurology, Aerospace Center Hospital, Beijing, 100049, People's Republic of China
| | - Cheng Qian
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China
| | - Madiha Rasheed
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China
| | - Changling Cao
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China
| | - Jingyan Sun
- School of Life Sciences, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Xuezhe Wang
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China
| | - Zixuan Chen
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China.
| | - Yulin Deng
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing, 100081, People's Republic of China.
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10
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Edwardson MA, Shivapurkar N, Li J, Khan M, Smith J, Giannetti ML, Fan R, Dromerick AW. Expansion of plasma MicroRNAs over the first month following human stroke. J Cereb Blood Flow Metab 2023; 43:2130-2143. [PMID: 37694957 PMCID: PMC10925862 DOI: 10.1177/0271678x231196982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/05/2023] [Accepted: 06/07/2023] [Indexed: 09/12/2023]
Abstract
Few have characterized miRNA expression during the transition from injury to neural repair and secondary neurodegeneration following stroke in humans. We compared expression of 754 miRNAs from plasma samples collected 5, 15, and 30 days post-ischemic stroke from a discovery cohort (n = 55) and 15-days post-ischemic stroke from a validation cohort (n = 48) to healthy control samples (n = 55 and 48 respectively) matched for age, sex, race and cardiovascular comorbidities using qRT-PCR. Eight miRNAs remained significantly altered across all time points in both cohorts including many described in acute stroke. The number of significantly dysregulated miRNAs more than doubled from post-stroke day 5 (19 miRNAs) to days 15 (50 miRNAs) and 30 (57 miRNAs). Twelve brain-enriched miRNAs were significantly altered at one or more time points (decreased expression, stroke versus controls: miR-107; increased expression: miR-99-5p, miR-127-3p, miR-128-3p, miR-181a-3p, miR-181a-5p, miR-382-5p, miR-433-3p, miR-491-5p, miR-495-3p, miR-874-3p, and miR-941). Many brain-enriched miRNAs were associated with apoptosis over the first month post-stroke whereas other miRNAs suggested a transition to synapse regulation and neuronal protection by day 30. These findings suggest that a program of decreased cellular proliferation may last at least 30 days post-stroke, and points to specific miRNAs that could contribute to neural repair in humans.
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Affiliation(s)
- Matthew A Edwardson
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | | | - James Li
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Muhib Khan
- Spectrum Health, Grand Rapids, MI, USA
- Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Jamal Smith
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Margot L Giannetti
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Ruzong Fan
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Alexander W Dromerick
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
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Tregub PP, Ibrahimli I, Averchuk AS, Salmina AB, Litvitskiy PF, Manasova ZS, Popova IA. The Role of microRNAs in Epigenetic Regulation of Signaling Pathways in Neurological Pathologies. Int J Mol Sci 2023; 24:12899. [PMID: 37629078 PMCID: PMC10454825 DOI: 10.3390/ijms241612899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
In recent times, there has been a significant increase in researchers' interest in the functions of microRNAs and the role of these molecules in the pathogenesis of many multifactorial diseases. This is related to the diagnostic and prognostic potential of microRNA expression levels as well as the prospects of using it in personalized targeted therapy. This review of the literature analyzes existing scientific data on the involvement of microRNAs in the molecular and cellular mechanisms underlying the development of pathologies such as Alzheimer's disease, cerebral ischemia and reperfusion injury, and dysfunction of the blood-brain barrier.
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Affiliation(s)
- Pavel P. Tregub
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
- Scientific and Educational Resource Center “Innovative Technologies of Immunophenotyping, Digital Spatial Profiling and Ultrastructural Analysis”, RUDN University, 117198 Moscow, Russia
- Research Center of Neurology, 125367 Moscow, Russia
| | - Irada Ibrahimli
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | | | - Alla B. Salmina
- Research Center of Neurology, 125367 Moscow, Russia
- Research Institute of Molecular Medicine and Pathobiochemistry, Prof. V. F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia
| | - Peter F. Litvitskiy
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Zaripat Sh. Manasova
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Inga A. Popova
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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12
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Bartoszewska S, Sławski J, Collawn JF, Bartoszewski R. HIF-1-Induced hsa-miR-429: Understanding Its Direct Targets as the Key to Developing Cancer Diagnostics and Therapies. Cancers (Basel) 2023; 15:cancers15112903. [PMID: 37296866 DOI: 10.3390/cancers15112903] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/21/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
MicroRNAs (miRNAs) play a critical role in the regulation of mRNA stability and translation. In spite of our present knowledge on the mechanisms of mRNA regulation by miRNAs, the utilization and translation of these ncRNAs into clinical applications have been problematic. Using hsa-miR-429 as an example, we discuss the limitations encountered in the development of efficient miRNA-related therapies and diagnostic approaches. The miR-200 family members, which include hsa-miR-429, have been shown to be dysregulated in different types of cancer. Although these miR-200 family members have been shown to function in suppressing epithelial-to-mesenchymal transition, tumor metastasis, and chemoresistance, the experimental results have often been contradictory. These complications involve not only the complex networks involving these noncoding RNAs, but also the problem of identifying false positives. To overcome these limitations, a more comprehensive research strategy is needed to increase our understanding of the mechanisms underlying their biological role in mRNA regulation. Here, we provide a literature analysis of the verified hsa-miR-429 targets in various human research models. A meta-analysis of this work is presented to provide better insights into the role of hsa-miR-429 in cancer diagnosis and any potential therapeutic approach.
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Affiliation(s)
- Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Jakub Sławski
- Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland
| | - James F Collawn
- Department of Cell, Developmental and Integrative Biology, University of Alabama, Birmingham, AL 35294, USA
| | - Rafal Bartoszewski
- Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland
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13
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Jiang W, Long X, Li Z, Hu M, Zhang Y, Lin H, Tang W, Ouyang Y, Jiang L, Chen J, He P, Ouyang X. The Role of Circular RNAs in Ischemic Stroke. Neurochem Res 2023:10.1007/s11064-023-03935-7. [PMID: 37126193 DOI: 10.1007/s11064-023-03935-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 05/02/2023]
Abstract
Ischemic stroke (IS), a devastating condition characterized by intracranial artery stenosis and middle cerebral artery occlusion leading to insufficient oxygen supply to the brain, is a major cause of death and physical disability worldwide. Recent research has demonstrated the critical role of circular RNAs (circRNAs), a class of covalently enclosed noncoding RNAs that are widespread in eukaryotic cells, in regulating various physiological and pathophysiological cellular processes, including cell apoptosis, autophagy, synaptic plasticity, and neuroinflammation. In the past few years, circRNAs have attracted extensive attention in the field of IS research. This review summarizes the current understanding of the mechanisms underlying the involvement of circRNAs in IS development. A better understanding of circRNA-mediated pathogenic mechanisms in IS may pave the way for translating circRNA research into clinical practice, ultimately improving the clinical outcomes of IS patients.
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Affiliation(s)
- Weiwei Jiang
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiongquan Long
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
| | - Zhicheng Li
- Collage of Pharmacy, University of South China, Hengyang, Hunan, China
| | - Mi Hu
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Yangkai Zhang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Huiling Lin
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Wanying Tang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Yuxin Ouyang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Liping Jiang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Jinzhi Chen
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China
| | - Pingping He
- The Research Center of Reproduction and Translational Medicine of Hunan Province, Department of Physiology, Medical College, Hunan Normal University, Changsha, 410081, Hunan Province, China
| | - Xinping Ouyang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, University of South China, Hengyang, Hunan, China.
- The Research Center of Reproduction and Translational Medicine of Hunan Province, Department of Physiology, Medical College, Hunan Normal University, Changsha, 410081, Hunan Province, China.
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Wang X, Pang J, Cui J, Liu A, Wang H. Inhibition of microRNA-19a-3p alleviates the neuropathic pain (NP) in rats after chronic constriction injury (CCI) via targeting KLF7. Transpl Immunol 2023; 76:101735. [PMID: 36334791 DOI: 10.1016/j.trim.2022.101735] [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: 06/10/2022] [Revised: 09/19/2022] [Accepted: 10/30/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND/PURPOSE Neuropathic pain(NP) is derived from the dysfunctions of nerve system. The current research is to explore the impact and mechanism of miR-19a-3p in neuropathic pain in rats. METHODS The NP was induced through the chronic constriction injury (CCI) surgery in rats. The pro-inflammatory factors (IL-1β, IL-6, TNF-α) in spinal cord tissues from rats were measured using Elisa kits. Moreover, the different levels of thermal hyperalgesia and mechanical allodynia in rats were examined through paw withdrawal latency (PWL) and paw withdrawal threshold (PWT). To investigate into the role of miR-19a-3p and KLF7 in NP of rats, the knockdown of miR-19a-3p alone or along with KLF7 downregulation in rats were achieved through lentivirus injection. The miR-19a-3p and KLF7 expression in spinal cord of rats on Day 3,7,14 after CCI were detected using RT-qPCR. The protein expression of KLF7 were measured by Western blot. Bioinformatics and luciferase assays were used for the prediction and verification of bindings between KLF7 and miR-19a-3p. RESULTS CCI surgery caused neuropathic pain in rats with the levels of inflammatory cytokines increased and PWL and PWT decreased. Moreover, miR-19a-3p expression was increased while the protein and mRNA levels were decreased in spinal cord tissues in rats after CCI surgery. In rat microglial cells, miR-19a-3p downregulation could promote the KLF7 in both mRNA and protein expression. In spinal cord tissues of rats, the inhibition of miR-19a-3p enhanced the KLF7 expression. Furthermore, miR-19a-3p downregulation suppressed the IL-1β, IL-6 and TNF-α concentrations, and could decrease the NP but inhibition of KLF7 could partially reverse this in CCI rats. CONCLUSION miR-19a-3p inhibition may alleviate NP via KLF7 in CCI rats.
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Affiliation(s)
- Xiaopeng Wang
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan 030032, China.
| | - Jun Pang
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan 030032, China
| | - Jian Cui
- Department of Anesthesiology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300100, China
| | - Aifen Liu
- Department of Anesthesiology, the Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Hui Wang
- Department of General Surgery, Tianjin Public Security Hospital, Tianjin 300042, China
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15
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Wu ZD, Feng Y, Ma ZX, Liu Z, Xiong HH, Zhou ZP, Ouyang LS, Xie FK, Tang YM. MicroRNAs: protective regulators for neuron growth and development. Neural Regen Res 2023; 18:734-745. [DOI: 10.4103/1673-5374.353481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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16
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Zhao Y, Yu Y, Ommati MM, Xu J, Wang J, Zhang J, Sun Z, Niu R, Wang J. Multiomics Analysis Revealed the Molecular Mechanism of miRNAs in Fluoride-Induced Hepatic Glucose and Lipid Metabolism Disorders. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:14284-14295. [PMID: 36222057 DOI: 10.1021/acs.jafc.2c03049] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Fluoride-induced liver injury seriously endangers human and animal health and animal food safety, but the underlying mechanism remains unclear. This study aims to explore the mechanism of miRNAs in fluoride-induced hepatic glycolipid metabolism disorders. C57 male mice were used to establish the fluorosis model (22.62 mg/L F-, 12 weeks). The results indicated that fluoride increased fluoride levels, impaired the structure and function, and disrupted the glycolipid metabolism in the liver. Furthermore, the sequencing results showed that fluoride exposure resulted in the differential expression of 35 miRNAs and 480 mRNAs, of which 23 miRNAs were related to glycolipid metabolism. miRNA-mRNA network analyses and RT-PCR revealed that miRNAs mediated fluoride-induced disturbances in the hepatic glycolipid metabolism. Its possible mechanism was to regulate the insulin pathway, PPAR pathway, and FOXO pathway, which in turn affected the bile secretion, the metabolic processes of glucose, the decomposition of lipids, and the synthesis of unsaturated fatty acids in the liver. This study provides a theoretical basis for miRNAs as diagnostic indicators and target drugs for the treatment of fluoride-induced liver injury.
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Affiliation(s)
- Yangfei Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Yanghuan Yu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Mohammad Mehdi Ommati
- College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 71348-14336, Iran
| | - Jipeng Xu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jinming Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jianhai Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Zilong Sun
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Ruiyan Niu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jundong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
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Wei XY, Zhang TQ, Suo R, Qu YY, Chen Y, Zhu YL. Long non-coding RNA RPL34-AS1 ameliorates oxygen-glucose deprivation-induced neuronal injury via modulating miR-223-3p/IGF1R axis. Hum Cell 2022; 35:1785-1796. [PMID: 36006565 DOI: 10.1007/s13577-022-00773-7] [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: 04/20/2022] [Accepted: 08/18/2022] [Indexed: 11/29/2022]
Abstract
Ribosomal protein L34-antisense RNA 1 (RPL34-AS1), one of the long non-coding RNAs (lncRNAs), plays an important function in regulating diverse human malignant tumors. Nevertheless, the functions of RPL34-AS1 in ischemic stroke remain unclear. The present work focused on determining the candidate targets of RPL34-AS1 and its related mechanism in ischemic injury. The oxygen-glucose deprivation (OGD/R) in vitro cell model and middle cerebral artery occlusion (MCAO) in vivo rat model were utilized to simulate the pathological process of ischemic stroke. Additionally, the CCK8, WB (detecting Bcl-2 and Bax protein levels), and caspase-3 activity assays were done to investigate the anti-apoptotic functions of RPL34-AS1. The relationship among RPL34-AS1, insulin-like growth factor 1 receptor (IGF1R), and microRNA-223-3p (miR-223-3p) was determined through luciferase reporter assay. In this study, RPL34-AS1 expression was reduced in patients suffering from ischemic stroke. The overexpression of RPL34-AS1 reduced ischemic brain damage. However, the cell viability and glucose uptake were increased, and the apoptosis rate was decreased in the OGD/R-induced neurons. Further, miR-223-3p resulted in the decreased cell viability and glucose uptake and the increased cell apoptosis to cause ischemic brain damage. Besides, the neuroprotective effects of RPL34-AS1 on OGD/R injury were partly reversed by miR-223-3p. Mechanistically, lncRNA RPL34-AS1 could function as the competing endogenous RNA (ceRNA) of miR-223-3p to regulate IGF1R. Collectively, our study demonstrated that lncRNA RPL34-AS1 attenuated OGD/R-induced neuronal injury by mediating miR-223-3p/IGF1R axis. This discovery might serve as the candidate therapeutic target for ischemic stroke.
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Affiliation(s)
- Xin-Ya Wei
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, People's Republic of China.,Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Nangang District, Harbin, 150001, Heilongjiang, People's Republic of China
| | - Tian-Qi Zhang
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, People's Republic of China
| | - Rui Suo
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Nangang District, Harbin, 150001, Heilongjiang, People's Republic of China
| | - You-Yang Qu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Nangang District, Harbin, 150001, Heilongjiang, People's Republic of China
| | - Yan Chen
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Nangang District, Harbin, 150001, Heilongjiang, People's Republic of China
| | - Yu-Lan Zhu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, No. 246, Xuefu Road, Nangang District, Harbin, 150001, Heilongjiang, People's Republic of China.
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18
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Xu J, Gao F. Circulating miR-130a-3p is elevated in patients with cerebral atherosclerosis and predicts 2-year risk of cerebrovascular events. BMC Neurol 2022; 22:308. [PMID: 35996079 PMCID: PMC9396884 DOI: 10.1186/s12883-022-02829-5] [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: 12/13/2021] [Accepted: 06/22/2022] [Indexed: 11/10/2022] Open
Abstract
Background Cerebral atherosclerosis (AS) leads to high risk of cerebrovascular events. This study aims to evaluate the diagnostic performance of serum microRNA-130a-3p (miR-130a-3p) in cerebral AS patients, and construct a logistic risk model for 2-year cerebrovascular events on the basis of the prognostic potential of miR-130a-3p. Methods Serum samples were collected from 74 cerebral AS patients and 62 control individuals, and miR-130a-3p expression was investigated using reverse transcription quantitative PCR. Risk factors related with cerebral AS were assessed using a logistic regression analysis, and the receiver operating characteristic analysis was performed to evaluate the diagnostic value of miR-130a-3p. The relationship between miR-130a-3p and cerebrovascular events was analyzed using a Kaplan–Meier method, and a logistic risk model was constructed for 2-year cerebrovascular events. Results Cerebral AS patients had elevated serum miR-130a-3p compared with controls (P < 0.001). Serum miR-130a-3p had diagnostic value (AUC = 0.899), and could significantly improve the diagnostic accuracy of total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) in cerebral AS patients (AUC = 0.992). High serum miR-130a-3p was independently related with high probability of cerebrovascular events (HR = 1.993, 95% CI = 1.205–2.897, P = 0.006), and a logistic risk model was constructed based on serum miR-130a-3p, hs-CRP, TC and LDL-C. Conclusion All the findings indicated that high serum miR-130a-3p had diagnostic potential to screen cerebral AS, and predicted the probability of cerebrovascular events after AS. The logistic risk model based on miR-130a-3p may provide an efficient method to predict 2-year cerebrovascular events in AS patients.
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Affiliation(s)
- Jialei Xu
- Department of Neurology, Liaocheng People's Hospital, No. 45 Huashan Road, Liaocheng, 252000, Shandong, China
| | - Fengchao Gao
- Department of Neurology, Liaocheng People's Hospital, No. 45 Huashan Road, Liaocheng, 252000, Shandong, China.
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Battaglia R, Caponnetto A, Caringella AM, Cortone A, Ferrara C, Smirni S, Iannitti R, Purrello M, D’Amato G, Fioretti B, Di Pietro C. Resveratrol Treatment Induces Mito-miRNome Modification in Follicular Fluid from Aged Women with a Poor Prognosis for In Vitro Fertilization Cycles. Antioxidants (Basel) 2022; 11:antiox11051019. [PMID: 35624883 PMCID: PMC9137561 DOI: 10.3390/antiox11051019] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022] Open
Abstract
Advanced maternal age impairs reproductive performance, influencing the quantity and the quality of oocytes. Mitochondria dysfunction seems to play a decisive role in conditioning the quality of the female gamete. Different in vitro and in vivo studies, demonstrated the antioxidant and anti-inflammatory activities of Resveratrol and its ability to improve mitochondria function even if the exact mechanism of action has not yet been demonstrated in human oocytes. In this paper, by retrospective analysis, we evaluated follicular fluid (FF) miRNome modification in aged women with a poor ovarian reserve receiving a resveratrol-based supplement the three months before the in vitro Fertilization (IVF) cycle. We found 13 differentially expressed microRNAs (miRNAs) in women treated with resveratrol and specifically miR-125b-5p, miR-132-3p, miR-19a-3p, miR-30a-5p and miR-660-5p, regulating mitochondrial proteins, are able to control metabolism and mitochondrial biogenesis. MiRNA expression differences, observed after resveratrol treatment in FF from women with a poor prognosis for IVF, demonstrated that resveratrol may act on mitomiRNAs to improve follicular microenvironment by transcriptomic and proteomic modifications in granulosa cells.
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Affiliation(s)
- Rosalia Battaglia
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
| | - Angela Caponnetto
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
| | - Anna Maria Caringella
- Asl Bari, Reproductive and IVF Unit, PTA “F Jaia”, 70014 Conversano, BA, Italy; (A.M.C.); (A.C.); (G.D.)
| | - Anna Cortone
- Asl Bari, Reproductive and IVF Unit, PTA “F Jaia”, 70014 Conversano, BA, Italy; (A.M.C.); (A.C.); (G.D.)
| | - Carmen Ferrara
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
| | - Salvatore Smirni
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
| | | | - Michele Purrello
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
| | - Giuseppe D’Amato
- Asl Bari, Reproductive and IVF Unit, PTA “F Jaia”, 70014 Conversano, BA, Italy; (A.M.C.); (A.C.); (G.D.)
| | - Bernard Fioretti
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, 06123 Perugia, PG, Italy;
| | - Cinzia Di Pietro
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, 95123 Catania, CT, Italy; (R.B.); (A.C.); (C.F.); (S.S.); (M.P.)
- Correspondence: ; Tel.: +39-0954781484
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The impact of single walled carbon nanotubes on the expression of microRNA in zebrafish (Danio rerio) embryos. Endocr Regul 2022; 56:115-125. [PMID: 35489050 DOI: 10.2478/enr-2022-0013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objective. Single-walled carbon nanotubes (SWCNTs) are able to cross the blood-brain barrier, penetrate through the cell membrane, and accumulate in the cell nucleus, which purposefully allows their use in the health sciences as imaging probes and drug carriers in the cancer therapy. The aim of this study was to investigate the effect of low doses of SWCNTs on the expression of microRNAs associated with the cell proliferation and the brain development in zebrafish (Danio rerio) embryos. Methods. The zebrafish embryos (72 h post fertilization) were exposed to low doses of SWCNTs (2 and 8 ng/ml of medium) for 24 or 72 h. The microRNAs (miR-19, miR-21, miR-96, miR-143, miR-145, miR-182, and miR-206) expression levels were measured by quantitative polymerase chain reaction analysis. Results. It was found that low doses of SWCNTs elicited dysregulation in the expression of numerous cell proliferation and brain development-related microRNAs (miR-19, miR-21, miR-96, miR-143, miR-145, miR-182, and miR-206) in dose- (2 and 8 ng/ml of medium) as well as malformations in the zebrafish embryos brain development in a time-dependent (24 and 72 h) manner. Conclusion. Taken together, the present data indicate that the low doses of SWCNTs disturbed the genome functions and reduced the miR-19, miR-21, miR-96, miR-143, miR-145, miR-182, and miR-206 expression levels in dose- and time-dependent manners and interrupted the brain development in the zebrafish embryos indicating for both the genotoxic and the neurotoxic interventions.
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21
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Cao S, Chen S, Qiao X, Guo Y, Liu F, Ding Z, Jin B. Protocatechualdehyde Rescues Oxygen-Glucose Deprivation/Reoxygenation-Induced Endothelial Cells Injury by Inducing Autophagy and Inhibiting Apoptosis via Regulation of SIRT1. Front Pharmacol 2022; 13:846513. [PMID: 35431914 PMCID: PMC9008765 DOI: 10.3389/fphar.2022.846513] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/14/2022] [Indexed: 01/30/2023] Open
Abstract
Background: Oxidative stress-induced endothelial cell death, such as apoptosis and autophagy, plays a critical role in ischemia-reperfusion injury. Protocatechualdehyde (PCA) is a major bioactive component of the traditional Chinese medicine Salvia miltiorrhiza Bunge (Lamiaceae), and it has been proved to be effective in the prevention and treatment of ischemic cardiovascular and cerebrovascular diseases. However, its role in oxidative stress-induced endothelial cell death and its underlying mechanisms remains unclear. This study aims to investigate the effects and mechanisms of PCA on endothelial cell apoptosis and autophagy induced by oxygen-glucose deprivation/reoxygenation (OGD/R) injury. Methods: After OGD/R induction, human umbilical vein endothelial cells (HUVECs) were treated with different concentrations of PCA. Cell viability, apoptosis, and autophagy were detected by Cell Counting Kit-8 assay, flow cytometry, and monodansylcadaverine assay, respectively. Western blot was applied to explore the effects of PCA on the expression levels of relevant protein factors. Results: The results show that PCA significantly promoted cell survival rate and cell proliferation and enhanced the antioxidant activity in OGD/R-induced HUVECs. PCA inhibited HUVECs apoptosis, as evidenced by decreased expression of cleaved-caspase-3, Bcl2-associated X (BAX), and increased expression of Bcl-2. PCA induced autophagy by reducing the expression of P62 while increasing the expression of Beclin-1 and LC3 II/I. Meanwhile, PCA enhanced the expression of Sirtuin 1 (SIRT1) and suppressed the expression of P53. When SIRT1 was inhibited by selisistat or SIRT1 small-interfering RNA, the anti-apoptotic and pro-autophagy abilities of PCA were attenuated. Conclusion: These results demonstrated that PCA rescued HUVECs from OGD/R-induced injury by promoting autophagy and inhibiting apoptosis through SIRT1 and could be developed as a potential therapeutic agent against ischemic diseases.
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Affiliation(s)
- Shidong Cao
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Senmiao Chen
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xilin Qiao
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yan Guo
- School of Basic Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Fang Liu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhishan Ding
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Bo Jin
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
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22
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Huang R, Zhang W, Li W, Gao Y, Zheng D, Bi G. Overexpressing circ_0000831 is sufficient to inhibit neuroinflammation and vertigo in cerebral ischemia through a miR-16-5p-dependent mechanism. Exp Neurol 2022; 353:114047. [PMID: 35300972 DOI: 10.1016/j.expneurol.2022.114047] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 02/16/2022] [Accepted: 03/10/2022] [Indexed: 11/28/2022]
Abstract
Circular RNAs (circRNAs) hold potential as stroke-related biomarkers due to involvement in various pathophysiological processes associated with cerebral ischemia and stability in peripheral blood. Differentially expressed circulating circRNAs were identified by preliminary sequencing analysis, through which we identified underexpressed circ_0000831 in ischemic stroke (IS). Validation was performed in peripheral blood of IS patients by quantitative polymerase chain reaction. Microglia was exposed to oxygen-glucose deprivation (OGD), where polarization phenotypes and inflammation were assessed. Middle cerebral artery occlusion was performed in mice to mimic ischemic stroke-induced vertigo, where cerebral blood flow, neurological deficits, vertigo degree, infarct area, inflammation and cell apoptosis were assayed in response to ectopic expression and knockdown of circ_0000831, miR-16-5p, and AdipoR2. Mechanically, circ_0000831 bound to miR-16-5p and downregulated miR-16-5p, and AdipoR2 was targeted by miR-16-5p and increased PPARγ expression in microglia. Furthermore, circ_0000831, AdipoR2, or PPARγ overexpression or miR-16-5p inhibition alleviated neuroinflammation, vertigo, neurological deficit, and cell apoptosis in MCAO mice. Consistently, circ_0000831, AdipoR2, or PPARγ upregulation or miR-16-5p downregulation diminished apoptosis and inflammation of OGD-induced microglia. Consequently, these findings pinpoint the circ_0000831/miR-16-5p/AdipoR2 axis as an essential signaling pathway during ischemia stroke. Thus, the circRNA circ_0000831 may work as a possible target for novel treatment in patients with ischemic stroke.
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Affiliation(s)
- Rui Huang
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China.
| | - Wei Zhang
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China
| | - Weishuai Li
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China
| | - Yan Gao
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China
| | - Dongming Zheng
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China
| | - Guorong Bi
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China.
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23
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Dong X, Sun H, Mao J, Zhang S, Meng C. Differential expression of circular RNA in patients with white matter hyperintensity and cognitive impairment. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2021; 46:1080-1089. [PMID: 34911837 PMCID: PMC10930227 DOI: 10.11817/j.issn.1672-7347.2021.200692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVES White matter hyperintensity (WMH) is an important factor leading to cognitive impairment, and the mechanism has not been clarified. In recent years, studies have found that circular RNA (circRNA) has differential expression in cerebrovascular diseases. This study aims to analyze the expression profile of circRNA in peripheral blood mononuclear cell (PBMC) of patients with WMH with cognitive impairment, to screen the differentially expressed circRNA, and to explore the possible role of circRNA in WMH with cognitive impairment. METHODS CircRNA microarray was used to detect the circRNA expression profile of PBMC in patients with WMH with cognitive impairment, and in patients with WMH without cognitive impairment as well as in normal controls (3 cases each, male to female ratio of 2꞉1). The differentially expressed circRNA in patients with WMH with cognitive impairment was screened. The screening criteria for differentially expressed circRNA was fold change (FC) ≥2.0 (|log2FC ≥1) and P<0.05. TargetScan and miRanda target gene analysis software were used to predict the relevant target miRNA, and Genespring software was used to predict the target genes. RESULTS Compared with the control group, there were 5 significantly up-regulated circRNA and 3 down-regulated circRNA in the WMH with cognitive impairment group; 8 circRNA were significantly up-regulated and 2 were down-regulated in the WMH without cognitive impairment group. When compared with the WMH with cognitive impairment group, no co-differentially expressed circRNA was found in WMH without cognitive impairment group and control group. Compared with the control group, the expression of hsa_circ_0092222 was up-regulated and the expressions of hsa_circ_0000662 and hsa_circ_0083773 were down-regulated in the WMH with cognitive impairment group and the WMH without cognitive impairment group, and there was no significant difference between the 2 groups (all P>0.05). Two target miRNA (hsa-miR-19a-3p and hsa-miR-19b-3p) of hsa_circ_0092222 were predicted, and the target gene was ribosomal protein S4, Y-linked 1 (RPS4Y1). Hsa_circ_0000662 predicted a target miRNA (hsa-miR-194) with axis inhibitor 1 (AXIN1) as the target gene. Hsa_circ_0083773 predicted 7 target miRNA, and the target gene was recombinant scavenger receptor class A member 3 (SCARA3). CONCLUSIONS The circRNA expression profile of patients with WMH is changed significantly. The differentially expressed circRNA may be the cause of WMH; Hsa_circ_0092222, hsa_circ_0000662, and hsa_circ_0083773 may regulate the expression of target genes by targeting adsorption of the target miRNA, leading to brain white matter damage through Janus kinase 2 (JAK2)/signal transducers and activators of transcription (STAT3) signal pathway and Wnt signal pathway.There is no significant difference in circRNA expression profile between WMH with or without cognitive impairment. Cognitive impairment in patients with WMH may have other reasons.
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Affiliation(s)
- Xuewei Dong
- Department of Neurology, First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China.
| | - Hongying Sun
- Department of Neurology, First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China.
| | - Jian Mao
- Department of Neurology, First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China
| | - Shuya Zhang
- Department of Neurology, First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China
| | - Chenxi Meng
- Department of Neurology, First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China
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24
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The miRNome of Depression. Int J Mol Sci 2021; 22:ijms222111312. [PMID: 34768740 PMCID: PMC8582693 DOI: 10.3390/ijms222111312] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/10/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
Depression is an effect of complex interactions between genetic, epigenetic and environmental factors. It is well established that stress responses are associated with multiple modest and often dynamic molecular changes in the homeostatic balance, rather than with a single genetic factor that has a strong phenotypic penetration. As depression is a multifaceted phenotype, it is important to study biochemical pathways that can regulate the overall allostasis of the brain. One such biological system that has the potential to fine-tune a multitude of diverse molecular processes is RNA interference (RNAi). RNAi is an epigenetic process showing a very low level of evolutionary diversity, and relies on the posttranscriptional regulation of gene expression using, in the case of mammals, primarily short (17–23 nucleotides) noncoding RNA transcripts called microRNAs (miRNA). In this review, our objective was to examine, summarize and discuss recent advances in the field of biomedical and clinical research on the role of miRNA-mediated regulation of gene expression in the development of depression. We focused on studies investigating post-mortem brain tissue of individuals with depression, as well as research aiming to elucidate the biomarker potential of miRNAs in depression and antidepressant response.
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25
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Ruan Y, Li H, Cao X, Meng S, Jia R, Pu L, Fu H, Jin Z. Inhibition of the lncRNA DANCR attenuates cardiomyocyte injury induced by oxygen-glucose deprivation via the miR-19a-3p/MAPK1 axis. Acta Biochim Biophys Sin (Shanghai) 2021; 53:1377-1386. [PMID: 34515297 DOI: 10.1093/abbs/gmab110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 08/03/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) have been considered as crucial regulators of acute myocardial infarction (AMI). In this study, to analyze the effect of differentiation antagonizing nonprotein coding RNA (DANCR) of lncRNA on cardiomyocyte damage in AMI, cardiomyocyte injury was induced by oxygen-glucose deprivation (OGD). Cell counting kit-8 (CCK-8) assay and flow cytometry were used to assess cell viability and apoptosis, respectively. Quantitative real-time PCR was used to measure the expression levels of DANCR and miR-19a-3p. Bioinformatics analysis and luciferase gene reporter assay were utilized to explore the relationship among DANCR, miR-19a-3p, and mitogen-activated protein kinase 1 (MAPK1). CCK-8 and TUNEL assays were used to explore the effects of DANCR alone or plus miR-19a-3p on the viability and apoptosis of OGD/R-exposed HL-1 cells. Western blot analysis was used to detect changes in the MAPK1/ERK1/2 pathway in HL-1 cells. We found that DANCR expression and miR-19a-3p level are negatively correlated as DANCR expression is increased, while miR-19a-3p level is decreased in AMI patients' serum and OGD/R-exposed HL-1 cells. DANCR knockdown increased miR-19a-3p level, and miR-19a-3p inhibition increased DANCR expression. Moreover, DANCR directly binds to miR-19a-3p. DANCR knockdown reduced viability but induced apoptosis in OGD/R-exposed HL-1 cells, while miR-19a-3p inhibition weakens these effects. Furthermore, MAPK1 is a target of miR-19a-3p. miR-19a-3p overexpression decreases MAPK1 and ERK1/2 in HL-1 cells, while miR-19a-3p inhibition increases MAPK1 and ERK1/2 in HL-1 cells. Moreover, DANCR knockdown reduces myocardium apoptosis in mice with the left anterior descending artery ligated. DANCR knockdown effectively restores myocardial cell apoptosis by regulating the miR-19a-3p/MAPK1/ERK1/2 axis.
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Affiliation(s)
- Yang Ruan
- Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Hong Li
- Ward Three, Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Xiaojing Cao
- Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Shuai Meng
- Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Ruofei Jia
- Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Lianmei Pu
- Department of Emergency Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Hao Fu
- Department of Emergency Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Zening Jin
- Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
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26
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Overexpression of miR-149-5p Attenuates Cerebral Ischemia/Reperfusion (I/R) Injury by Targeting Notch2. Neuromolecular Med 2021; 24:279-289. [PMID: 34581980 DOI: 10.1007/s12017-021-08685-9] [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: 01/14/2021] [Accepted: 08/04/2021] [Indexed: 10/20/2022]
Abstract
Ischemic stroke is one of the leading causes of death and disability worldwide. Although miR-149-5p downregulation is observed in rats after ischemia/reperfusion (I/R) injury, its function and role in ischemic stroke remain unclear. This study aimed to investigate the roles of miR-149-5p in I/R injury. The results showed that miR-149-5p was significantly downregulated in brain tissues of rats subjected to middle cerebral artery occlusion (MCAO) and primary cortical neurons subject to oxygen and glucose deprivation (OGD). MiR-149-5p overexpression effectively reduced MCAO/R-induced infarct volume, neurological score, and brain water content as well as OGD/R-induced cortical neurons apoptosis and OGD/R-induced expression of TNF-α, IL-4, IL-6, IL-1β, and COX-2. Moreover, Notch2 was identified as a target of miR-149-5p and Notch2 overexpression significantly attenuated the inhibitory effects of miR-149-5p mimics on inflammation and apoptosis. Taken together, our study revealed that miR-149-5p overexpression protects the rat brain against I/R injury by regulating Notch2-mediated inflammation and apoptosis pathway.
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27
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Liu X, Zheng X, Wang Y, Liu J. Dysregulation Serum miR-19a-3p is a Diagnostic Biomarker for Asymptomatic Carotid Artery Stenosis and a Promising Predictor of Cerebral Ischemia Events. Clin Appl Thromb Hemost 2021; 27:10760296211039287. [PMID: 34558328 PMCID: PMC8495512 DOI: 10.1177/10760296211039287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
This study aims to identify the diagnostic potential of microRNA-19a-3p (miR-19a-3p) for asymptomatic carotid artery stenosis (CAS) and clinical predictive potential for cerebral ischemia events (CIEs). Serum samples from 101 asymptomatic CAS patients and 98 healthy controls were collected. And it was found that serum miR-19a-3p in asymptomatic CAS patients was generally elevated (P < .05). Increased miR-19a-3p in asymptomatic CAS was associated with severe CAS (odds ratio = 3.920, 95% confidence interval [CI] = 1.482-10.372, P < .01). The area under the receiver operating characteristic (ROC) curve (AUC) was 0.905, indicating that the level of miR-19a-3p was statistically significant for the diagnosis of asymptomatic CAS. Furthermore, the level of serum miR-19a-3p (hazard ratio [HR] = 8.507, 95% confidence interval [CI] = 2.239-32.328, P = .002) and degree of artery stenosis (HR = 3.695, 95% CI = 1.127-12.109, P = .031) were independent predictors of occurrence of CIE. Moreover, patients with elevated miR-19a-3p levels were more likely to experience CIE than patients with low levels. Upregulated miR-19a-3p can be used as a diagnostic biomarker for asymptomatic CAS patients and as an independent predictor of CIE.
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Affiliation(s)
- Xiaoliang Liu
- Department of Neurology, Baoji People's Hospital, Baoji, Shaanxi, China
| | - Xiaojun Zheng
- Department of Neurology, Baoji People's Hospital, Baoji, Shaanxi, China
| | - Ying Wang
- Department of Neurology, Baoji People's Hospital, Baoji, Shaanxi, China
| | - Juan Liu
- Department of Neurology, Baoji People's Hospital, Baoji, Shaanxi, China
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28
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Zhang T, Chen X, Qu Y, Ding Y. Curcumin Alleviates Oxygen-Glucose-Deprivation/Reperfusion-Induced Oxidative Damage by Regulating miR-1287-5p/LONP2 Axis in SH-SY5Y Cells. Anal Cell Pathol (Amst) 2021; 2021:5548706. [PMID: 34589382 PMCID: PMC8476263 DOI: 10.1155/2021/5548706] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 07/30/2021] [Accepted: 08/07/2021] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress-induced neuronal damage is a main cause of ischemia/reperfusion injury. Curcumin (Cur), the principal constituent extracted from dried rhizomes of Curcuma longa L. (turmeric), exhibits excellent antioxidant effects. Previous studies have indicated that miR-1287-5p was downregulated in patients with ischemic stroke. Additionally, we predicted that Lon Peptidase 2, Peroxisomal (LONP2), which is involved in oxidative stress regulation, is targeted by miR-1287-5p. The aim of the current study is to investigate the effect of Cur on ischemia/reperfusion damage and its underlying mechanism. To mimic ischemia/reperfusion damage environment, SH-SY5Y cells were subjected to oxygen-glucose-deprivation/reperfusion (OGD/R). OGD/R treatment downregulated miR-1287-5p and upregulated LONP2 in SH-SY5Y cells, but Cur alleviated OGD/R-induced oxidative damage and reversed the effect of OGD/R on the expression of miR-1287-5p and LONP2. Furthermore, we confirmed the interactive relationship between miR-1287-5p and LONP2 (negative regulation). We revealed that miR-1287-5p overexpression alleviated OGD/R-induced oxidative damage alleviation, similar to the effect of Cur. MiR-1287-5p inhibition accentuated OGD/R-induced oxidative damage in SH-SY5Y cells, which was reversed by Cur. The expression of LONP2 in OGD/R-treated SH-SY5Y cells was decreased by miR-1287-5p overexpression and increased by miR-1287-5p inhibition, and Cur counteracted the increase in LONP2 expression induced by miR-1287-5p inhibition. In conclusion, we suggest that Cur alleviates OGD/R-induced oxidative damage in SH-SY5Y cells by regulating the miR-1287-5p/LONP2 axis. The findings provide a theoretical basis for the clinical application of curcumin.
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Affiliation(s)
- Teng Zhang
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Provincial Hospital Traditional Chinese Medicine, Wuhan 430074, China
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Province Traditional Chinese Medicine Research Institute, Wuhan 430074, China
| | - Xiaomin Chen
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Provincial Hospital Traditional Chinese Medicine, Wuhan 430074, China
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Province Traditional Chinese Medicine Research Institute, Wuhan 430074, China
| | - Yueqing Qu
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Provincial Hospital Traditional Chinese Medicine, Wuhan 430074, China
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Province Traditional Chinese Medicine Research Institute, Wuhan 430074, China
| | - Yanbing Ding
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Provincial Hospital Traditional Chinese Medicine, Wuhan 430074, China
- Department of Traditional Chinese Medicine Encephalopathy, Hubei Province Traditional Chinese Medicine Research Institute, Wuhan 430074, China
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29
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Yang D, Li Z, Gao G, Li X, Liao Z, Wang Y, Li W, Zhang Y, Liu W. Combined Analysis of Surface Protein Profile and microRNA Expression Profile of Exosomes Derived from Brain Microvascular Endothelial Cells in Early Cerebral Ischemia. ACS OMEGA 2021; 6:22410-22421. [PMID: 34497930 PMCID: PMC8412952 DOI: 10.1021/acsomega.1c03248] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 08/05/2021] [Indexed: 05/12/2023]
Abstract
Endothelial cell damage is an important pathological basis for the deterioration of acute ischemia stroke. Our previous studies have been exploring the mechanism of blood-brain barrier (BBB) endothelial cell injury in the early stage of cerebral ischemia. Exosomes act as an important intercellular player in neurovascular communication. However, the characteristic of exosomes derived from BBB endothelial cells in early ischemic stroke is poorly understood. We exposed cultured brain microvascular endothelial cells (bEnd.3) to 3 h oxygen glucose deprivation (OGD) to mimic early cerebral ischemia in vitro and compared miRome and surface protein contents of exosomes derived from bEnd.3 cells by miRNA sequencing and the proximity barcoding assay (PBA). A total of 346 differentially miRNA (159 upregulated and 187 downregulated) were identified via miRNA-Seq in bEnd.3 cells after exposure to OGD for 3 h. Moreover, Gene Ontology (GO) and KEGG pathway analyses showed that cell proliferation- and angiogenesis-associated miRNAs were significantly affected. The abnormal changes in top eight miRNAs were further verified by a quantitative polymerase chain reaction (qPCR). PBA experiments showed that the numbers of exosomes carrying the following proteins increased significantly under ischemia, including bFGF, CD146, EPHA2, ABCB5, and ITGB2. These proteins were related to angiogenesis, cell proliferation, and cell inflammation. The network analysis combining PBA data with miRNA-Seq data showed that 79 miRNAs were related to 24 membrane proteins and predicted that there were surface proteins associated with a variety of miRNA molecules, such as ITGA9, XIAP, ADAM1, ITGA2, ITGA3, PDPN, and ITGB1. Meanwhile, there were miRNAs related to various surface proteins including miR-410-3p, miR-378b, and miR-1960. Taken together, our data demonstrated for the first time the changes of exosomal miRNAs and surface protein profiles derived from ischemic microvascular endothelial cells, which may provide new therapeutic targets for BBB protection in ischemic stroke.
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Affiliation(s)
- Dexin Yang
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Zongyang Li
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Guoqing Gao
- Department
of General Medicine, The Central Hospital
of Wulanchabu City, Wulanchabu 012000, China
| | - Xiaofeng Li
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Zijun Liao
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Yachao Wang
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Weiping Li
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Yuan Zhang
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- Department
of Pathophysiology, Baotou Medical College, Baotou 014060, China
| | - Wenlan Liu
- Department
of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, Shenzhen Second People’s Hospital/The First
Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
- The
Central Laboratory, Shenzhen Second People’s
Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
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30
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Liu X, Guo H, Wang X, Jiao H, Li L, Zheng J. c-myc protects mice from ischemia stroke through elevating microRNA-200b-5p-regulated SIRT1 expression. Brain Res Bull 2021; 176:76-84. [PMID: 34371139 DOI: 10.1016/j.brainresbull.2021.07.006] [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: 05/14/2021] [Revised: 06/28/2021] [Accepted: 07/08/2021] [Indexed: 12/26/2022]
Abstract
OBJECTIVE c-myc has been reported to attenuate ischemia stroke (IS). We initiated the research to uncover the molecular mechanism of c-myc with regard to microRNA (miR)-200b-5p/Sirtuin1 (SIRT1) axis. METHODS An IS mouse model was prepared by middle cerebral artery occlusion (MCAO). Measurements of c-myc, miR-200b-5p and SIRT1 levels in MCAO mice were conducted. c-myc, miR-200b-5p and SIRT1 expression levels in MCAO mice were detected. The neurological function, production of inflammatory cytokines, neuronal apoptosis, brain tissue pathology and neuronal survival of MCAO mice were observed. RESULTS c-myc and SIRT1 levels went downward while miR-200b-5p expression went upward in MCAO mice. Elevation of c-myc or suppression of miR-200b-5p improved neurological function, reduced inflammation and neuronal apoptosis, and attenuated brain tissue pathology and neuronal survival of MCAO mice. Enhancement of miR-200b-5p or knockdown of SIRT1 weakened c-myc-induced protection against MCAO-induced brain injury in mice. CONCLUSION Overall, c-myc protects mice from IS through elevating miR-200b-5p-targeted SIRT1 expression.
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Affiliation(s)
- Xiaodan Liu
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China
| | - Heng Guo
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China
| | - Xiao Wang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China
| | - Hong Jiao
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China
| | - Lei Li
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China
| | - Jiaolin Zheng
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China.
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31
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Chen Y, Fan Z, Wu Q. Dexmedetomidine improves oxygen-glucose deprivation/reoxygenation (OGD/R) -induced neurological injury through regulating SNHG11/miR-324-3p/VEGFA axis. Bioengineered 2021; 12:4794-4804. [PMID: 34334080 PMCID: PMC8806500 DOI: 10.1080/21655979.2021.1957071] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Dexmedetomidine (Dex) has been reported to exhibit neuroprotective effects through various regulatory mechanisms. This study aims to investigate the role and molecular mechanism of SNHG11 in Dex-mediated neuroprotection. The ischemic stroke (IS) model was established in vivo by middle cerebral artery occlusion (MCAO) and in vitro by oxygen-glucose deprivation and reperfusion (OGD/R)-treated SH-SY5Y. SNHG11 was highly expressed after OGD/R, and Dex improved OGD/R-induced neurological injury. Additionally, Dex reversed the effects of SNHG11 on OGD/R-induced neurological injury. Furthermore, we found that SNHG11 upregulated vascular endothelial growth factor A (VEGFA) expression by targeting miR-324-3p. Through rescue assays, it was confirmed that SNHG11 regulated OGD/R-induced neurological injury through increasing VEGFA expression. At last, Dex was also discovered to improve neurological injury through regulating SNHG11 in the rat model. In conclusion, our work demonstrated that Dex improved OGD/R-induced neurological injury via SNHG11/miR-324-3p/VEGFA axis. These findings may offer a novel therapeutic strategy for IS treatment.
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Affiliation(s)
- Yujie Chen
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Zhiying Fan
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Qingwei Wu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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CEBPA-AS1 Knockdown Alleviates Oxygen-Glucose Deprivation/Reperfusion-Induced Neuron Cell Damage by the MicroRNA 24-3p/BOK Axis. Mol Cell Biol 2021; 41:e0006521. [PMID: 34001648 DOI: 10.1128/mcb.00065-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Cerebral ischemia/reperfusion (I/R) can lead to serious brain function impairments. Long noncoding RNA (lncRNA) CCAAT enhancer binding protein α antisense RNA 1 (CEBPA-AS1) was shown to be upregulated in human ischemic stroke. This study investigated the function and mechanism of CEBPA-AS1 in I/R. An oxygen-glucose deprivation/reperfusion (OGD/R) model was used to induce I/R injury in SH-SY5Y cells in vitro. RT-qPCR examined the expression of CEBPA-AS1, microRNA 24-3p (miR-24-3p), and Bcl-2-related ovarian killer (Bok). The cell viability, apoptosis, oxidative stress in OGD/R-treated cells were detected using CCK-8, flow cytometry, Western blotting, and enzyme-linked immunosorbent assays. The relationship among genes was tested by RNA pulldown and luciferase reporter assays. We found that OGD/R upregulated CEBPA-AS1 expression in SH-SY5Y cells. Functionally, CEBPA-AS1 depletion ameliorated OGD/R-induced apoptosis and oxidative stress in SH-SY5Y cells by reducing reactive oxygen species production and superoxide dismutase and glutathione. Mechanistic investigations indicated that CEBPA-AS1 acts as a sponge for miR-24-3p, and miR-24-3p binds to BOK. Moreover, miR-24-3p upregulation or BOK downregulation antagonized the protective role of CEBPA-AS1 depletion in SH-SY5Y cells exposed to OGD/R. Overall, downregulation of CEBPA-AS1 exerts protective functions against OGD/R-induced injury by targeting the miR-24-3p/BOK axis.
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Abstract
Cerebral ischemia-reperfusion (I/R) injury is a terrible disease which results in the dysfunction and structural damage of brain tissues. Growing evidence implies that miR-455-5p is implicated in the regulation of pathogenesis of several diseases. The aim of this study is to reveal the role of miR-455-5p in cerebral I/R injury and the regulatory mechanism. We established a vitro model by inducing SH-SY5Y and PC-12 cells with oxygen-glucose deprivation and reoxygenation. The experimental cerebral I/R rat model was established by middle cerebral artery occlusion operation. The findings indicated that miR-455-5p expression was downregulated in oxygen-glucose deprivation and reoxygenation induced cells and I/R rat model. In addition, miR-455-5p upregulation inhibited SH-SY5Y cell apoptosis and cerebral damage, whereas miR-455-5p silencing promoted SH-SY5Y cell apoptosis and cerebral damage. Mechanistically, luciferase reporter assay corroborated that miR-455-5p could bind with feline mcDonough sarcoma-like tyrosine kinase 3 (FLT3) mRNA. However, the role of FLT3 in cerebral I/R injury was rarely investigated. Real-time polymerase chain reaction revealed that FTL3 expression was negatively regulated by miR-455-5p. FTL3 upregulation reversed the inhibitory effects of miR-455-5p upregulation on PC-12 and SH-SY5Y cell apoptosis. Therefore, our study verified that miR-455-5p improved cerebral I/R injury by targeting FLT3, which suggests a potential new target for the prevention of cerebral I/R injury.
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Zhou F, Wang YK, Zhang CG, Wu BY. miR-19a/b-3p promotes inflammation during cerebral ischemia/reperfusion injury via SIRT1/FoxO3/SPHK1 pathway. J Neuroinflammation 2021; 18:122. [PMID: 34051800 PMCID: PMC8164774 DOI: 10.1186/s12974-021-02172-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 05/11/2021] [Indexed: 02/07/2023] Open
Abstract
Background Stroke affects 3–4% of adults and kills numerous people each year. Recovering blood flow with minimal reperfusion-induced injury is crucial. However, the mechanisms underlying reperfusion-induced injury, particularly inflammation, are not well understood. Here, we investigated the function of miR-19a/b-3p/SIRT1/FoxO3/SPHK1 axis in ischemia/reperfusion (I/R). Methods MCAO (middle cerebral artery occlusion) reperfusion rat model was used as the in vivo model of I/R. Cultured neuronal cells subjected to OGD/R (oxygen glucose deprivation/reperfusion) were used as the in vitro model of I/R. MTT assay was used to assess cell viability and TUNEL staining was used to measure cell apoptosis. H&E staining was employed to examine cell morphology. qRT-PCR and western blot were performed to determine levels of miR-19a/b-3p, SIRT1, FoxO3, SPHK1, NF-κB p65, and cytokines like TNF-α, IL-6, and IL-1β. EMSA and ChIP were performed to validate the interaction of FoxO3 with SPHK1 promoter. Dual luciferase assay and RIP were used to verify the binding of miR-19a/b-3p with SIRT1 mRNA. Results miR-19a/b-3p, FoxO3, SPHK1, NF-κB p65, and cytokines were elevated while SIRT1 was reduced in brain tissues following MCAO/reperfusion or in cells upon OGD/R. Knockdown of SPHK1 or FoxO3 suppressed I/R-induced inflammation and cell death. Furthermore, knockdown of FoxO3 reversed the effects of SIRT1 knockdown. Inhibition of the miR-19a/b-3p suppressed inflammation and this suppression was blocked by SIRT1 knockdown. FoxO3 bound SPHK1 promoter and activated its transcription. miR-19a/b-3p directly targeted SIRT1 mRNA. Conclusion miR-19a/b-3p promotes inflammatory responses during I/R via targeting SIRT1/FoxO3/SPHK1 axis.
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Affiliation(s)
- Feng Zhou
- Research Center of Clinical Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, People's Republic of China.,Department of Neurology, First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
| | - Yu-Kai Wang
- Department of Neurology, First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
| | - Cheng-Guo Zhang
- Department of Neurology, First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China.
| | - Bing-Yi Wu
- Research Center of Clinical Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, People's Republic of China.
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Vijayan M, Reddy PH. Non-Coding RNAs Based Molecular Links in Type 2 Diabetes, Ischemic Stroke, and Vascular Dementia. J Alzheimers Dis 2021; 75:353-383. [PMID: 32310177 DOI: 10.3233/jad-200070] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This article reviews recent advances in the study of microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and their functions in type 2 diabetes mellitus (T2DM), ischemic stroke (IS), and vascular dementia (VaD). miRNAs and lncRNAs are gene regulation markers that both regulate translational aspects of a wide range of proteins and biological processes in healthy and disease states. Recent studies from our laboratory and others have revealed that miRNAs and lncRNAs expressed differently are potential therapeutic targets for neurological diseases, especially T2DM, IS, VaD, and Alzheimer's disease (AD). Currently, the effect of aging in T2DM, IS, and VaD and the cellular and molecular pathways are largely unknown. In this article, we highlight results from the works on the molecular connections between T2DM and IS, and IS and VaD. In each disease, we also summarize the pathophysiology and the differential expressions of miRNAs and lncRNAs. Based on current research findings, we hypothesize that 1) T2DM bi-directionally and age-dependently induces IS and VaD, and 2) these changes are precursors to the onset of dementia in elderly people. Research into these hypotheses is required to examine further whether research efforts on reducing T2DM, IS, and VaD may affect dementia and/or delay the AD disease process in the aged population.
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Affiliation(s)
- Murali Vijayan
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - P Hemachandra Reddy
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Speech, Language and Hearing Sciences, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Public Health, Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX, USA
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Gou X, Xu D, Li F, Hou K, Fang W, Li Y. Pyroptosis in stroke-new insights into disease mechanisms and therapeutic strategies. J Physiol Biochem 2021; 77:511-529. [PMID: 33942252 DOI: 10.1007/s13105-021-00817-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 04/13/2021] [Indexed: 02/07/2023]
Abstract
Stroke is a common disease with high mortality and disability worldwide. Different forms of cell deaths, including apoptosis and necrosis, occur in ischemic or hemorrhagic brain tissue, among which pyroptosis, a newly discovered inflammation-related programmed cell death, is generally divided into two main pathways, the canonical inflammasome pathway and the non-canonical inflammasome pathway. Caspase-mediated pyroptosis requires the assembly of inflammasomes such as NLRP3, which leads to the release of inflammatory cytokines IL-1β and IL-18 through the pores formed in the plasma membrane by GSDMD followed by neuroinflammation. Recently, pyroptosis and its relationship with inflammation have attracted more and more attention in the study of cerebral ischemia or hemorrhage. In addition, many inhibitors of pyroptosis targeting caspase, NLRP3, and the upstream pathway have been found to reduce brain tissue damage after stroke. In this review, we mainly introduce the pathology of stroke, the molecular mechanism, and process of pyroptosis, as well as the pivotal roles of pyroptosis in stroke, in order to provide new insights for the treatment of stroke.
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Affiliation(s)
- Xue Gou
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China
| | - Dan Xu
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China
| | - Fengyang Li
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China
| | - Kai Hou
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China.,Department of Pharmacy, Zhongda Hospital, Southeast University, Nanjing, China
| | - Weirong Fang
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China.
| | - Yunman Li
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Nanjing, 210009, China.
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Yang D, Tan Y, Li H, Zhang X, Li X, Zhou F. Upregulation of miR-20b Protects Against Cerebral Ischemic Stroke by Targeting Thioredoxin Interacting Protein (TXNIP). Exp Neurobiol 2021; 30:170-182. [PMID: 33972468 PMCID: PMC8118756 DOI: 10.5607/en20046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 02/26/2021] [Accepted: 03/16/2021] [Indexed: 12/23/2022] Open
Abstract
Dysregulation of microRNAs (miRNAs) is involved in abnormal development and pathophysiology in the brain. Although miR-20b plays essential roles in various human diseases, its function in cerebral ischemic stroke remains unclear. A cell model of oxygen glucose deprivation/reoxygenation (OGD/R) and A rat model of middle cerebral artery occlusion/reperfusion (MCAO/R) were constructed. qRT-PCR and western blot were used to evaluate the expression of miR-20b and TXNIP. Cell viability was detected by MTT assay, and cell apoptosis was evaluated by flow cytometry. Targetscan and Starbase were used to predict the potential targets of miR-20b. Luciferase reporter assay was applied to determine the interaction between miR-20b and TXNIP. Rescue experiments were conducted to confirm the functions of miR-20b/TXNIP axis in cerebral ischemic stroke. MiR-20b was significantly downregulated after I/R both in vitro and in vivo. Upregulation of miR-20b inhibited OGD/R-induced neurons apoptosis and attenuated ischemic brain injury in rat model. Bioinformatic prediction suggested that TXNIP might be a target of miR-20b, and luciferase reporter assay revealed that miR-20b negatively regulated TXNIP expression by directly binding to the 3’-UTR of TXNIP. Downregulation of TXNIP inhibited OGD/R-induced neurons apoptosis in vitro and ischemic brain injury in vivo. Rescue experiments indicated that downregulation of TXNIP effectively reversed the effect of miR-20b inhibitor in neurons apoptosis after OGD/R-treatment and ischemic brain injury in a mouse model after MCAO/R-treatment. Our study demonstrated that upregulation of miR-20b protected the brain from ischemic brain injury by targeting TXNIP, extending our understanding of miRNAs in cerebral ischemic stroke.
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Affiliation(s)
- Dejiang Yang
- Department of Neurology, the Third Affiliated Hospital of Nanchang University, Nanchang 330008, PR. China
| | - Yu Tan
- Department of Neurology, the Third Affiliated Hospital of Nanchang University, Nanchang 330008, PR. China
| | - Huanhuan Li
- Department of Neurology, the Third Affiliated Hospital of Nanchang University, Nanchang 330008, PR. China
| | - Xiaowei Zhang
- Department of Neurology, the Third Affiliated Hospital of Nanchang University, Nanchang 330008, PR. China
| | - Xinming Li
- Department of Neurology, the Third Affiliated Hospital of Nanchang University, Nanchang 330008, PR. China
| | - Feng Zhou
- Department of Neurology, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, PR. China
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Paschou SA, Siasos G, Katsiki N, Tentolouris N, Tousoulis D. The Role of microRNAs in the Development of Type 2 Diabetes Complications. Curr Pharm Des 2021; 26:5969-5979. [PMID: 33138753 DOI: 10.2174/1381612826666201102102233] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 08/16/2020] [Indexed: 11/22/2022]
Abstract
MicroRNAs represent a class of small (19-25 nucleotides) single-strand pieces of RNA that are noncoding ones. They are synthesized by RNA polymerase II from transcripts that fold back on themselves. They mostly act as gene regulatory agents that pair with complementary sequences on mRNA and produce silencing complexes, which, in turn, suppress coding genes at a post-transcriptional level. There is now evidence that microRNAs may affect insulin secretion or insulin action, as they can alter pancreatic beta cells development, insulin production, as well as insulin signaling. Any molecular disorder that affects these pathways can deteriorate insulin resistance and lead to type 2 diabetes mellitus (T2DM) onset. Furthermore, the expression of several microRNAs is up- or down-regulated in the presence of diabetic microvascular complications (i.e., peripheral neuropathy, nephropathy, retinopathy, foot ulcers), as well as in patients with coronary heart disease, stroke, and peripheral artery disease. However, more evidence is needed, specifically regarding T2DM patients, to establish the use of such microRNAs as diagnostical biomarkers or therapeutic targets in daily practice.
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Affiliation(s)
- Stavroula A Paschou
- Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, 11527Athens, Greece
| | - Gerasimos Siasos
- Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, 11527Athens, Greece
| | - Niki Katsiki
- First Department of Internal Medicine, Diabetes Centre, Division of Endocrinology and Metabolism, AHEPA University Hospital, Thessaloniki, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Tousoulis
- Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
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Li S, Wang Y, Wang M, Chen L, Chen S, Deng F, Zhu P, Hu W, Chen X, Zhao B, Ma G, Li Y. microRNA-186 alleviates oxygen-glucose deprivation/reoxygenation-induced injury by directly targeting hypoxia-inducible factor-1α. J Biochem Mol Toxicol 2021; 35:1-11. [PMID: 33759271 DOI: 10.1002/jbt.22752] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/24/2020] [Accepted: 02/24/2021] [Indexed: 01/23/2023]
Abstract
Previous studies have suggested that microRNA-186 (miR-186) can be induced under hypoxic conditions, and is associated with apoptosis. This study was undertaken to explore the exact role of this microRNA (miRNA) in the apoptotic death of neurons during cerebral ischemic/reperfusion (I/R) injury. To model cerebral ischemia/reperfusion (I/R) injuries, we utilized a transient middle cerebral artery occlusion approach in rats, as well as a model of oxygen-glucose deprivation/reoxygenation (OGD/R) in Neuro2a cells. We found that in both in vitro and in vivo models of cerebral I/R injuries, levels of miR-186 were markedly decreased. When we overexpressed miR-186, this was associated with a reduction in the apoptotic death of neuroblastoma cells in the OGD/R model system, whereas the opposite was true when this miRNA was instead inhibited. We further found miR-186 to directly target hypoxia-inducible factor 1α (HIF-1α) by interacting with the 3'-untranslated region of this mRNA. When we knocked down HIF-1α, this partially overcame the apoptotic death of cells in response to OGD/R injury and associated miR-186 downregulation. Our findings indicate that miR-186 is able to reduce ischemic injury to neurons at least in part through downregulating HIF-1α, suggesting that the miR-186/HIF-1α axis is a potential therapeutic target for the treatment of ischemic stroke.
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Affiliation(s)
- Shengnan Li
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yajun Wang
- Maternal and Children's Health Research Institute, Shunde Maternal and Children's Hospital, Guangdong Medical University, Shunde, China
| | - Mengxu Wang
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Linfa Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Shaofeng Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Fu Deng
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Peiyi Zhu
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Weidong Hu
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xinglan Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Bin Zhao
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Guoda Ma
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Maternal and Children's Health Research Institute, Shunde Maternal and Children's Hospital, Guangdong Medical University, Shunde, China
| | - You Li
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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Li P, Huang Y, Yang Y, Huang X. Methylphenidate exerts neuroprotective effects through the AMPK signaling pathway. Hum Exp Toxicol 2021; 40:1422-1433. [PMID: 33660552 DOI: 10.1177/0960327121996021] [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] [Indexed: 12/12/2022]
Abstract
PURPOSE Cerebral ischemia is the main cause of permanent adult disabilities worldwide. This study investigated the reparative effects and potential mechanisms of methylphenidate (MPH), a medication for the treatment of attention-deficit/hyperactivity disorder. METHODS In vitro oxygen-glucose deprivation/reperfusion (OGD/R) and in vivo cerebral ischemia-reperfusion models were established. Sprague-Dawley (SD) rats were randomly divided into four groups (n = 20): Sham, Model, and MPH (0.5 and 1 mg/kg). Rats in MPH groups were treated with 0.5 or 1 mg/kg MPH via intraperitoneal injection for 7 days. Rats in the Sham and Model groups were treated with PBS during the same period. Cell viability was measured using MTT assay. Apoptosis was detected by Annexin V/PI staining. Protein expression was detected by Western blot. The volume of cerebral infarction was detected by triphenyltetrazolium chloride (TTC) staining. The DNA damage in ischemic brain tissues was detected by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay. RESULTS MPH treatment significantly reduced OGD/R-induced cell damage, shown by the increased cell viability and decreased apoptotic rate. p-AMPK and p-ACC protein expression increased in the OGD/R model after MPH treatment. The addition of AMPK inhibitor largely abolished the neuroprotective effects of MPH, evidenced by the reduced cell viability, increased apoptotic rate, and decreased protein expression of p-AMPK as well as p-ACC. Moreover, MPH treatment significantly alleviated the cerebral ischemia-reperfusion injury and decreased apoptosis in brain tissues, which may be associated with the AMPK/ACC pathway. CONCLUSIONS MPH exerted protective activities against oxidative stress in the OGD/R model and ameliorated brain damage of rats in the middle cerebral artery occlusion model, at least in part, through activating the AMPK pathway. These data demonstrated neuroprotective properties of MPH and highlighted it as a potential therapeutic agent against cerebral ischemia-reperfusion injury.
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Affiliation(s)
- P Li
- Department of Neurology, Hunan Provincial Brain Hospital, Changsha, China
| | - Y Huang
- Department of Neurology, Hunan Provincial Brain Hospital, Changsha, China
| | - Y Yang
- Department of Neurology, Hunan Provincial Brain Hospital, Changsha, China
| | - X Huang
- Department of Neurology, Hunan Provincial Brain Hospital, Changsha, China
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Song X, Xue Y, Cai H. Down-Regulation of miR-181a-5p Prevents Cerebral Ischemic Injury by Upregulating En2 and Activating Wnt/β-catenin Pathway. J Stroke Cerebrovasc Dis 2021; 30:105485. [PMID: 33360253 DOI: 10.1016/j.jstrokecerebrovasdis.2020.105485] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/05/2020] [Accepted: 11/16/2020] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Cerebral ischemic injury contributes to severe dysfunction of the brain, which triggers extremely high mortality and disability. The role of microRNA (miR)-181a-5p is documented in cerebral ischemic injury. Therefore, this study intended to further figure out the mechanism of miR-181a-5p in cerebral ischemic injury. METHODS miR-181a-5p expression in middle cerebral artery occlusion (MCAO) mouse model, oxygen-glucose-deprivation/reoxygenation (OGD/R) N2a cell model, and serum from acute ischemic injury (ACI) patients was evaluated using reverse transcription quantitative polymerase chain reaction (RT-qPCR). Gain- and loss-of-function assays were implemented in MCAO mice and OGD/R-induced N2a cells. In mice, the cerebral infarction area was assessed with 2,3,5-triphenyltetrazolium chloride staining, the number of damaged neurons by Nissl staining, and apoptosis by TdT-mediated dUTP-biotin nick end-labeling staining. Moreover, N2a cell apoptosis and proliferation were determined with flow cytometry or 5-ethynyl-2'-deoxyuridine staining, respectively. The expression of En2 and Wnt/β-catenin pathway-related factors was determined with RT-qPCR and Western blot analysis. The targeting relationship between miR-181a-5p and En2 was evaluated by dual luciferase reporter gene assay. RESULTS miR-181a-5p was highly expressed in serum of ACI patients, MCAO mice, and OGD/R-induced N2a cells. En2, lowly expressed in MCAO mice, was targeted by miR-181a-5p, and miR-181a-5p down-regulation activated the Wnt/β-catenin pathway. Furthermore, miR-181a-5p inhibition or En2 overexpression reduced cerebral infarction area, the number of damaged neurons, and apoptosis in MCAO mice, and also diminished apoptosis and accelerated proliferation of OGD/R-induced N2a cells. CONCLUSION miR-181a-5p suppression activated Wnt/β-catenin pathway and sequentially attenuated cerebral ischemic injury by targeting En2.
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Affiliation(s)
- Xiaoming Song
- Department of Neurology, Ningbo Yinzhou No. 2 Hospital, Ningbo 315100, P.R. China.
| | - Yongming Xue
- Department of Ultrasound imaging, Ningbo Women & Children's Hospital, Ningbo 315000, P.R. China
| | - Hairui Cai
- Department of Obstetrics and Gynecology, Ningbo Women & Children's Hospital, Ningbo 315000, P.R. China
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Puckett DL, Alquraishi M, Chowanadisai W, Bettaieb A. The Role of PKM2 in Metabolic Reprogramming: Insights into the Regulatory Roles of Non-Coding RNAs. Int J Mol Sci 2021; 22:1171. [PMID: 33503959 PMCID: PMC7865720 DOI: 10.3390/ijms22031171] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 01/17/2023] Open
Abstract
Pyruvate kinase is a key regulator in glycolysis through the conversion of phosphoenolpyruvate (PEP) into pyruvate. Pyruvate kinase exists in various isoforms that can exhibit diverse biological functions and outcomes. The pyruvate kinase isoenzyme type M2 (PKM2) controls cell progression and survival through the regulation of key signaling pathways. In cancer cells, the dimer form of PKM2 predominates and plays an integral role in cancer metabolism. This predominance of the inactive dimeric form promotes the accumulation of phosphometabolites, allowing cancer cells to engage in high levels of synthetic processing to enhance their proliferative capacity. PKM2 has been recognized for its role in regulating gene expression and transcription factors critical for health and disease. This role enables PKM2 to exert profound regulatory effects that promote cancer cell metabolism, proliferation, and migration. In addition to its role in cancer, PKM2 regulates aspects essential to cellular homeostasis in non-cancer tissues and, in some cases, promotes tissue-specific pathways in health and diseases. In pursuit of understanding the diverse tissue-specific roles of PKM2, investigations targeting tissues such as the kidney, liver, adipose, and pancreas have been conducted. Findings from these studies enhance our understanding of PKM2 functions in various diseases beyond cancer. Therefore, there is substantial interest in PKM2 modulation as a potential therapeutic target for the treatment of multiple conditions. Indeed, a vast plethora of research has focused on identifying therapeutic strategies for targeting PKM2. Recently, targeting PKM2 through its regulatory microRNAs, long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) has gathered increasing interest. Thus, the goal of this review is to highlight recent advancements in PKM2 research, with a focus on PKM2 regulatory microRNAs and lncRNAs and their subsequent physiological significance.
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Affiliation(s)
- Dexter L. Puckett
- Department of Nutrition, University of Tennessee Knoxville, Knoxville, TN 37996, USA; (D.L.P.); (M.A.)
| | - Mohammed Alquraishi
- Department of Nutrition, University of Tennessee Knoxville, Knoxville, TN 37996, USA; (D.L.P.); (M.A.)
| | - Winyoo Chowanadisai
- Department of Nutrition, Oklahoma State University, Stillwater, OK 74078, USA;
| | - Ahmed Bettaieb
- Department of Nutrition, University of Tennessee Knoxville, Knoxville, TN 37996, USA; (D.L.P.); (M.A.)
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Wang L, Xiong X, Zhang L, Shen J. Neurovascular Unit: A critical role in ischemic stroke. CNS Neurosci Ther 2021; 27:7-16. [PMID: 33389780 PMCID: PMC7804897 DOI: 10.1111/cns.13561] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/13/2022] Open
Abstract
Ischemic stroke (IS), a common cerebrovascular disease, results from a sudden blockage of a blood vessel in the brain, thereby restricting blood supply to the area in question, and making a significantly negative impact on human health. Unfortunately, current treatments, that are mainly based on a recanalization of occluded blood vessels, are insufficient or inaccessible to many stroke patients. Recently, the profound influence of the neurovascular unit (NVU) on recanalization and the prognosis of IS have become better understood; in‐depth studies of the NVU have also provided novel approaches for IS treatment. In this article, we review the intimate connections between the changes in the NVU and IS outcomes, and discuss possible new management strategies having practical significance to IS. We discuss the concept of the NVU, as well as its roles in IS blood‐brain barrier regulation, cell preservation, inflammatory immune response, and neurovascular repair. Besides, we also summarize the influence of noncoding RNAs in NVU, and IS therapies targeting the NVU. We conclude that both the pathophysiological and neurovascular repair processes of IS are strongly associated with the homeostatic state of the NVU and that further research into therapies directed at the NVU could expand the range of treatments available for IS.
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Affiliation(s)
- Liyun Wang
- Department of Neurosurgery, Shengzhou People's Hospital (the First Affiliated Hospital of Zhejiang University Shengzhou Branch), Shengzhou, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luyuan Zhang
- Department of Neurosurgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Shen
- Department of Neurosurgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Balanophorin B inhibited glycolysis with the involvement of HIF-1α. Life Sci 2020; 267:118910. [PMID: 33359671 DOI: 10.1016/j.lfs.2020.118910] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 11/29/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023]
Abstract
AIMS Cancer cells exhibit a metabolic change called aerobic glycolysis compared with normal cells. Balanophorin B is a terpenoid ingredient reported from the genus Balanophora. In this research, we studied the effect of balanophorin B on glycolysis of HepG2 cells and Huh-7 cells under hypoxia. MAIN METHODS The Warburg effect was monitored by assessing glucose uptake, oxygen consumption rate (OCR) and extracellular acidification rate (ECAR). Key enzymes in the glycolytic pathway and HIF-1α protein expression and degradation were analyzed by real-time PCR and western blotting. The anti-cancer effect of balanophorin B in vivo was also investigated. KEY FINDINGS Balanophorin B inhibited the proliferation, glucose uptake, and ECAR in both HepG2 cells and Huh-7 cells. In addition, balanophorin B inhibited the protein level of HIF-1α and its downstream targets LDHA and HKII under hypoxia, whereas HIF-1α mRNA level did not change after balanophorin B treatment. The HIF-1α plasmid reversed the inhibition of balanophorin B on glycolysis, and the proteasome inhibitor MG132 attenuated the effect of balanophorin B on HIF-1α protein expression, suggesting that balanophorin B might post-transcriptionally affect HIF-1α. Moreover, balanophorin B increased the expression of VHL and PHD2. HIF-1α siRNA also greatly attenuated the inhibitory effect of balanophorin B on HepG2 cells glucose uptake. Balanophorin B significantly inhibited tumor growth in vivo, without causing obvious toxicity to mice. SIGNIFICANCE These data suggest that balanophorin B inhibits glycolysis probably via an HIF-1α-dependent pathway, and the ubiquitin-proteasome pathway was greatly involved in the induction of balanophorin B on HIF-1α degradation.
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Yu S, Xin W, Jiang Q, Li A. Propofol exerts neuroprotective functions by down-regulating microRNA-19a in glutamic acid-induced PC12 cells. Biofactors 2020; 46:934-942. [PMID: 31913544 DOI: 10.1002/biof.1607] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 12/17/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Propofol, a kind of intravenous sedative drug, is certified that exerts anti-inflammation and antitumor functions. However, the influence of propofol in cerebral injury and the corresponding mechanism remains unexplained, that our article focuses on. METHODS PC12 cells were treated with propofol and exposed in glutamic acid (Glu) solutions. Cell viability, apoptotic potential, apoptosis-related and autophagy-linked proteins were tested via CCK-8, flow cytometry, and western blot assays. Reverse transcription-quantitative real-time PCR was utilized to test miR-19a expression in Glu-stimulated cells. Next, miR-19a mimic transfection was used to assess the effects of miR-19a on cell apoptosis and autophagy in Glu or propofol treated cells. Finally, western blot was performed to test AMPK and mTOR pathways. RESULTS Glu exposure promoted cell apoptosis and autophagy of PC12 cells, while propofol attenuated cell apoptosis and autophagy triggered by Glu. Additionally, propofol decreased the miR-19a expression in Glu-stimulated PC12 cells. Meanwhile, over-expression of miR-19a reversed the effects of propofol on Glu-induced cell apoptosis and autophagy. Moreover, propofol potentiated AMPK and mTOR pathways in Glu-stimulated PC12 cells via impeding miR-19a expression. CONCLUSIONS These finding revealed that propofol relieved Glu-triggered apoptosis and autophagy of PC12, and activated AMPK and mTOR pathways by suppressing miR-19a expression.
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Affiliation(s)
- Shashuang Yu
- Department of Anesthesiology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Wenqi Xin
- Department of Anesthesiology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Qiliang Jiang
- Department of Anesthesiology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Aixiang Li
- Department of Anesthesiology, Huaihe Hospital of Henan University, Kaifeng, China
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Elevated Sad1 and UNC84 Domain Containing 2 (SUN2) level inhibits cell growth and aerobic glycolysis in oral cancer through reducing the expressions of glucose transporter 1 (GLUT1) and lactate dehydrogenase A (LDHA). J Dent Sci 2020; 16:460-466. [PMID: 33384835 PMCID: PMC7770359 DOI: 10.1016/j.jds.2020.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/12/2020] [Indexed: 12/03/2022] Open
Abstract
Background/purpose Oral cancer is a malignant tumor accompanied by high morbidity, mortality, and poor prognosis. Therefore, it is urgent to explore the percise regulation mechanisms underlying oral cancer. Sad1 and UNC84 Domain Containing 2 (SUN2) was considered as a tumor suppressor in some cancers. The purpose of the study was to define the role of SUN2 in oral cancer progression. Materials and methods Tumor tissues and paired paracancerous healthy tissues from 56 oral cancer patients were collected. Cell viability was measured using MTT assay. The colony formation assay was applied to determine cell proliferation ability. The mRNA and protein levels were assessed by qRT-PCR and Western blot, respectively. Results SUN2 expression was decreased in oral cancer tissues and cell models. SUN2 overexpression suppressed the growth of oral cancer cells, while the down-regulation of SUN2 promoted cell growth. SUN2 overexpression restrained the glucose uptake, lactate production, and ATP level of oral cancer cells, whereas down-regulation of SUN2 promoted glycolysis. Besides, elevated SUN2 inhibited the glucose transporter 1 (GLUT1) and lactate dehydrogenase A (LDHA) levels. However, SUN2 knockdown increased the levels of GLUT1 and LDHA. Conclusion SUN2 was decreased in oral cancer in vivo and in vitro. SUN2 overexpression suppressed cell growth and glycolysis via reducing the levels of GLUT1 and LDHA in oral cancer.
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Zhang D, Jin W, Liu H, Liang T, Peng Y, Zhang J, Zhang Y. ENT1 inhibition attenuates apoptosis by activation of cAMP/pCREB/Bcl2 pathway after MCAO in rats. Exp Neurol 2020; 331:113362. [PMID: 32445645 DOI: 10.1016/j.expneurol.2020.113362] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/15/2020] [Accepted: 05/18/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND PURPOSE The present study was designed to investigate the potential role and the mechanism of equilibrative nucleoside transporter 1 (ENT1) on neuronal apoptosis and neurological deficits after middle cerebral artery occlusion (MCAO) in rats. METHODS One hundred and thirty-four male Sprague-Dawley rats were subjected to two hours of MCAO followed by reperfusion. The time course of the expression level of ENT1 and phosphorylation of CREB were detected by western blot and immunofluorescence staining. Another set of animals were administrated with NBTI, the ENT1 inhibitor, by daily intraperitoneal injection starting at 0.5 h post-MCAO, infarction volume and neurological deficits were measured both at 24 h and 72 h post MCAO. We further explored the neuroprotection machenism by using H89, cAMP dependent protein kinase inhibitor, the expression of Bcl-2, Bax, phosphorylated CREB and Cleaved caspase-3 were quantified by Western blot, neuronal apoptosis were analyed by TUNEL staining. RESULTS The endogenous expression of ENT1 were significantly increased and peaked at 12 h after MCAO. High-dose of NBTI (15 mg/kg) reduced brain infarction volume and improved neurologic deficits both at 24 h and 72 h post MCAO. Moreover, NBTI significantly increased the level of CREB phosphorylation and extracellular adenosine concentration, and decreased the neuronal apoptosis 24 h after MCAO. NBTI treatment reduced the expression of Bax and cleaved caspase-3, while up-regulated Bcl-2 compared with vehicle group. These effects were abolished by H89 pretreatment. CONCLUSIONS ENT1 inhibition prevented neuronal apoptosis and improves neurological deficits through cAMP/PKA/CREB/Bcl-2 signaling pathway after MCAO in rats. ENT1 might be an effective target in the treatment strategy for ischemic stroke.
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Affiliation(s)
- Dongyun Zhang
- Department of rehabilitation medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China; Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Weidong Jin
- Department of Laboratory Medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Hongliang Liu
- Department of rehabilitation medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Tao Liang
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Yan Peng
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Jun Zhang
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China.
| | - Yang Zhang
- Department of Laboratory Medicine, Chongqing University Cancer Hospital, Chongqing, China.
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Rahmani A, Saleki K, Javanmehr N, Khodaparast J, Saadat P, Nouri HR. Mesenchymal stem cell-derived extracellular vesicle-based therapies protect against coupled degeneration of the central nervous and vascular systems in stroke. Ageing Res Rev 2020; 62:101106. [PMID: 32565329 DOI: 10.1016/j.arr.2020.101106] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/20/2020] [Accepted: 06/05/2020] [Indexed: 12/18/2022]
Abstract
Stem cell-based treatments have been suggested as promising candidates for stroke. Recently, mesenchymal stem cells (MSCs) have been reported as potential therapeutics for a wide range of diseases. In particular, clinical trial studies have suggested MSCs for stroke therapy. The focus of MSC treatments has been directed towards cell replacement. However, recent research has lately highlighted their paracrine actions. The secretion of extracellular vesicles (EVs) is offered to be the main therapeutic mechanism of MSC therapy. However, EV-based treatments may provide a wider therapeutic window compared to tissue plasminogen activator (tPA), the traditional treatment for stroke. Exosomes are nano-sized EVs secreted by most cell types, and can be isolated from conditioned cell media or body fluids such as plasma, urine, and cerebrospinal fluid (CSF). Exosomes apply their effects through targeting their cargos such as microRNAs (miRs), DNAs, messenger RNAs, and proteins at the host cells, which leads to a shift in the behavior of the recipient cells. It has been indicated that exosomes, in particular their functional cargoes, play a significant role in the coupled pathogenesis and recovery of stroke through affecting the neurovascular unit (NVU). Therefore, it seems that exosomes could be utilized as diagnostic and therapeutic tools in stroke treatment. The miRs are small endogenous non-coding RNA molecules which serve as the main functional cargo of exosomes, and apply their effects as epigenetic regulators. These versatile non-coding RNA molecules are involved in various stages of stroke and affect stroke-related factors. Moreover, the involvement of aging-induced changes to specific miRs profile in stroke further highlights the role of miRs. Thus, miRs could be utilized as diagnostic, prognostic, and therapeutic tools in stroke. In this review, we discuss the roles of stem cells, exosomes, and their application in stroke therapy. We also highlight the usage of miRs as a therapeutic choice in stroke therapy.
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Overexpression of miR-217-5p protects against oxygen-glucose deprivation/reperfusion-induced neuronal injury via inhibition of PTEN. Hum Cell 2020; 33:1026-1035. [PMID: 32683553 DOI: 10.1007/s13577-020-00396-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/25/2020] [Indexed: 02/07/2023]
Abstract
Ischemic stroke is characterized by loss of brain function because of cerebral ischemia. Evidence has been shown that miR-217-5p is significantly downregulated in infarcted brain areas following focal cerebral ischemia. However, the role of miR-217-5p in ischemic stroke is still unclear. To mimic ischemia/reperfusion (I/R) injury conditions in vitro, SH-SY5Y cells were treated with oxygen-glucose deprivation/reperfusion (OGD/R). Our data found that PTEN was the directly target of miR-217-5p in SH-SY5Y cells. The level of miR-217-5p was significantly decreased, while the level of PTEN was notably increased in SH-SY5Y cells following OGD/R treatment. Overexpression of miR-217-5p markedly promoted the proliferation and cell cycle progression, and inhibited apoptosis in OGD/R-treated SH-SY5Y cells. In addition, overexpression of miR-217-5p significantly decreased the expressions of PTEN and FOXO1, but increased the expression of p-Akt in OGD/R-treated SH-SY5Y cells. Moreover, methylation specific PCR (MSP) results indicated the CpG islands in the promoter region of miR-217-5p were hypermethylated in SH-SY5Y cells under OGD/R. Meanwhile, the DNA methylation of miR-217-5p promoter region decreased expression of miR-217-5p. Our data indicated that miR-217-5p could attenuate ischemic injury by inhibiting PTEN. In addition, DNA methylation-mediated silencing of miR-217-5p may serve as a promising therapeutic target of ischemic stroke.
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Xie K, Cai Y, Yang P, Du F, Wu K. Upregulating microRNA-874-3p inhibits CXCL12 expression to promote angiogenesis and suppress inflammatory response in ischemic stroke. Am J Physiol Cell Physiol 2020; 319:C579-C588. [PMID: 32608990 DOI: 10.1152/ajpcell.00001.2020] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Identification of specific biomarkers for ischemic stroke is necessary due to their abilities to improve treatment outcomes. Many studies have demonstrated the involvement of microRNAs (miRNAs) in the pathogenesis and complications of ischemic stroke and patient outcomes. We found that the expression of miR-874-3p was downregulated in clinical samples of ischemic stroke. Thus the present study explored the potential role of miR-874-3p in ischemic stroke and related mechanisms. A mouse model of ischemic stroke was constructed by middle cerebral artery occlusion. The relationship among miR-874-3p, C-X-C motif chemokine ligand 12 (CXCL12), and the Wnt/β-catenin pathway was explored by dual luciferase reporter assay and Western blot analysis. Angiogenesis and brain tissue apoptosis were evaluated by immunofluorescence staining and TUNEL staining, respectively. ELISA was introduced to measure levels of inflammatory factors, including tumor necrosis factor-α (TNF-α), interleukin (IL)-1, IL-6, IL-8, and IL-10 in brain tissues. Primary hippocampal neuronal cells were isolated from the mouse model of ischemic stroke and incubated with human umbilical vein endothelial cells (HUVECs) for HUVEC tube formation. High expression of CXCL12 and low expression of miR-874-3p were confirmed in ischemic stroke. In addition, miR-874-3p was found to target and downregulate CXCL12, thus reducing TNF-α, IL-1, IL-6, and IL-8 levels, but enhancing IL-10 level. Collectively, upregulating miR-874-3p inhibits CXCL12 expression to promote angiogenesis and inhibit inflammation in ischemic stroke mice by activating the Wnt/β-catenin pathway, which may provide a new direction of ischemic stroke treatment.
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Affiliation(s)
- Kangling Xie
- Department of Rehabilitation, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Ying Cai
- Department of Rehabilitation, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Pu Yang
- Department of Vascular Surgery, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Feng Du
- Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.,Department of Cardiology, The First People's Hospital of Guiyang, Guiyang, People's Republic of China
| | - Kai Wu
- Department of Rehabilitation, Xiangya Hospital, Central South University, Changsha, People's Republic of China
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