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Nohesara S, Mostafavi Abdolmaleky H, Thiagalingam S. Substance-Induced Psychiatric Disorders, Epigenetic and Microbiome Alterations, and Potential for Therapeutic Interventions. Brain Sci 2024; 14:769. [PMID: 39199463 PMCID: PMC11352452 DOI: 10.3390/brainsci14080769] [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: 06/23/2024] [Revised: 07/18/2024] [Accepted: 07/25/2024] [Indexed: 09/01/2024] Open
Abstract
Substance use disorders (SUDs) are complex biopsychosocial diseases that cause neurocognitive deficits and neurological impairments by altering the gene expression in reward-related brain areas. Repeated drug use gives rise to alterations in DNA methylation, histone modifications, and the expression of microRNAs in several brain areas that may be associated with the development of psychotic symptoms. The first section of this review discusses how substance use contributes to the development of psychotic symptoms via epigenetic alterations. Then, we present more evidence about the link between SUDs and brain epigenetic alterations. The next section presents associations between paternal and maternal exposure to substances and epigenetic alterations in the brains of offspring and the role of maternal diet in preventing substance-induced neurological impairments. Then, we introduce potential therapeutic agents/approaches such as methyl-rich diets to modify epigenetic alterations for alleviating psychotic symptoms or depression in SUDs. Next, we discuss how substance use-gut microbiome interactions contribute to the development of neurological impairments through epigenetic alterations and how gut microbiome-derived metabolites may become new therapeutics for normalizing epigenetic aberrations. Finally, we address possible challenges and future perspectives for alleviating psychotic symptoms and depression in patients with SUDs by modulating diets, the epigenome, and gut microbiome.
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Affiliation(s)
- Shabnam Nohesara
- Department of Medicine (Biomedical Genetics), Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118, USA;
- Mental Health Research Center, Psychosocial Health Research Institute, Department of Psychiatry, School of Medicine, Iran University of Medical Sciences, Tehran 14535, Iran
| | - Hamid Mostafavi Abdolmaleky
- Department of Medicine (Biomedical Genetics), Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118, USA;
- Nutrition/Metabolism Laboratory, Department of Surgery, BIDMC, Harvard Medical School, Boston, MA 02215, USA
| | - Sam Thiagalingam
- Department of Medicine (Biomedical Genetics), Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118, USA;
- Department of Pathology & Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118, USA
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2
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Vincent B, Shukla M. The Common Denominators of Parkinson's Disease Pathogenesis and Methamphetamine Abuse. Curr Neuropharmacol 2024; 22:2113-2156. [PMID: 37691228 PMCID: PMC11337683 DOI: 10.2174/1570159x21666230907151226] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 09/12/2023] Open
Abstract
The pervasiveness and mortality associated with methamphetamine abuse have doubled during the past decade, suggesting a possible worldwide substance use crisis. Epitomizing the pathophysiology and toxicology of methamphetamine abuse proclaims severe signs and symptoms of neurotoxic and neurobehavioral manifestations in both humans and animals. Most importantly, chronic use of this drug enhances the probability of developing neurodegenerative diseases manifolds. Parkinson's disease is one such neurological disorder, which significantly and evidently not only shares a number of toxic pathogenic mechanisms induced by methamphetamine exposure but is also interlinked both structurally and genetically. Methamphetamine-induced neurodegeneration involves altered dopamine homeostasis that promotes the aggregation of α-synuclein protofibrils in the dopaminergic neurons and drives these neurons to make them more vulnerable to degeneration, as recognized in Parkinson's disease. Moreover, the pathologic mechanisms such as mitochondrial dysfunction, oxidative stress, neuroinflammation and decreased neurogenesis detected in methamphetamine abusers dramatically resemble to what is observed in Parkinson's disease cases. Therefore, the present review comprehensively cumulates a holistic illustration of various genetic and molecular mechanisms putting across the notion of how methamphetamine administration and intoxication might lead to Parkinson's disease-like pathology and Parkinsonism.
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Affiliation(s)
- Bruno Vincent
- Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, INSERM, CNRS, Sophia-Antipolis, 06560, Valbonne, France
| | - Mayuri Shukla
- Chulabhorn Graduate Institute, Chulabhorn Royal Academy, 10210, Bangkok, Thailand
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Occhipinti C, La Russa R, Iacoponi N, Lazzari J, Costantino A, Di Fazio N, Del Duca F, Maiese A, Fineschi V. miRNAs and Substances Abuse: Clinical and Forensic Pathological Implications: A Systematic Review. Int J Mol Sci 2023; 24:17122. [PMID: 38069445 PMCID: PMC10707252 DOI: 10.3390/ijms242317122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/17/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Substance addiction is a chronic and relapsing brain disorder characterized by compulsive seeking and continued substance use, despite adverse consequences. The high prevalence and social burden of addiction are indisputable; however, the available intervention is insufficient. The modulation of gene expression and aberrant adaptation of neural networks are attributed to the changes in brain functions under repeated exposure to addictive substances. Considerable studies have demonstrated that miRNAs are strong modulators of post-transcriptional gene expression in substance addiction. The emerging role of microRNA (miRNA) provides new insights into many biological and pathological processes in the central nervous system: their variable expression in different regions of the brain and tissues may play a key role in regulating the pathophysiological events of addiction. This work provides an overview of the current literature on miRNAs involved in addiction, evaluating their impaired expression and regulatory role in neuroadaptation and synaptic plasticity. Clinical implications of such modulatory capacities will be estimated. Specifically, it will evaluate the potential diagnostic role of miRNAs in the various stages of drug and substance addiction. Future perspectives about miRNAs as potential novel therapeutic targets for substance addiction and abuse will also be provided.
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Affiliation(s)
- Carla Occhipinti
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Raffaele La Russa
- Department of Clinical Medicine, Public Health, Life Sciences, and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Naomi Iacoponi
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Julia Lazzari
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Andrea Costantino
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Nicola Di Fazio
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
| | - Fabio Del Duca
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
| | - Aniello Maiese
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Vittorio Fineschi
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
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Jiang MJ, Li J, Luo CH, Zhu C, Chen ZJ, Bai W, Hu TY, Feng CH, Li C, Mo ZX. Rhynchophylline inhibits methamphetamine dependence via modulating the miR-181a-5p/GABRA1 axis. JOURNAL OF ETHNOPHARMACOLOGY 2023; 314:116635. [PMID: 37182675 DOI: 10.1016/j.jep.2023.116635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/25/2023] [Accepted: 05/12/2023] [Indexed: 05/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Uncaria rhynchophylla (Miq.) Miq. ex Havil. is a plant species that is routinely devoted in traditional Chinese medicine to treat central nervous system disorders. Rhynchophylline (Rhy), a predominant alkaloid isolated from Uncaria rhynchophylla (Miq.) Miq. ex Havil., has been demonstrated to reverse methamphetamine-induced (METH-induced) conditioned place preference (CPP) effects in mice, rats and zebrafish. The precise mechanism is still poorly understood, thus further research is necessary. AIM OF STUDY This study aimed to investigate the role of miRNAs in the inhibitory effect of Rhy on METH dependence. MATERIALS AND METHODS A rat CPP paradigm and a PC12 cell addiction model were established. Microarray assays were used to screen and identify the candidate miRNA. Behavioral assessment, real-time PCR, dual-luciferase reporter assay, western blotting, stereotaxic injection of antagomir/agomir and cell transfection experiments were performed to elucidate the effect of the candidate miRNA and intervention mechanism of Rhy on METH dependence. RESULTS Rhy successfully reversed METH-induced CPP effect and the upregulated miR-181a-5p expression in METH-dependent rat hippocampus and PC12 cells. Moreover, suppression of miR-181a-5p by antagomir 181a reversed METH-induced CPP effect. Meanwhile, overexpression of miR-181a-5p by agomir 181a in combination with low-dose METH (0.5 mg/kg) elicited a significant CPP effect, which was blocked by Rhy through inhibiting miR-181a-5p. Finally, the result demonstrated that miR-181a-5p exerted its regulatory role by targeting γ-aminobutyric acid A receptor α1 (GABRA1) both in vivo and in vitro. CONCLUSION This finding reveals that Rhy inhibits METH dependence via modulating the miR-181a-5p/GABRA1 axis, which may be a promising target for treatment of METH dependence.
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Affiliation(s)
- Ming-Jin Jiang
- Jiangxi Provincial Institute of Translational Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Jing Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Chao-Hua Luo
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Chen Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Zhi-Jie Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Wei Bai
- Jiangxi Provincial Institute of Translational Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
| | - Tian-Yu Hu
- Jiangxi Provincial Institute of Translational Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
| | - Chuan-Hua Feng
- Jiangxi Provincial Institute of Translational Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
| | - Chan Li
- School of Life Sciences, Guangzhou University, Guangzhou, 510006, China.
| | - Zhi-Xian Mo
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
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Li H, Su W, Cai J, Zhao L, Li Y. Effects of exercise of different intensities on withdrawal symptoms among people with substance use disorder: a systematic review and meta-analysis. Front Physiol 2023; 14:1126777. [PMID: 37234417 PMCID: PMC10208401 DOI: 10.3389/fphys.2023.1126777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/17/2023] [Indexed: 05/28/2023] Open
Abstract
Background: Exercise can effectively attenuate withdrawal symptoms and reduce relapse, but it is unknown whether exercise of different intensities produces different results. This study aimed to systematically review the effects of different exercise intensities on withdrawal symptoms among people with substance use disorder (SUD). Methods: Systematic searches for randomized controlled trials (RCTs) on exercise, SUD, and abstinence symptoms were conducted via electronic databases, including PubMed, up to June 2022. Study quality was evaluated using the Cochrane Risk of Bias tool (RoB 2.0) for assessment of risk of bias in randomized trials. The meta-analysis was performed by calculating the standard mean difference (SMD) in outcomes of interventions involving light-, moderate-, and high-intensity exercise for each individual study using Review Manager version 5.3 (RevMan 5.3). Results: In total, 22 RCTs (n = 1,537) were included. Overall, exercise interventions had significant effects on withdrawal symptoms, but the effect size varied with exercise intensity and by outcome measure (i.e., for different negative emotions). Light-, moderate-, and high-intensity exercise reduced cravings after the intervention [SMD = -0.71, 95% CI = (-0.90, -0.52)], and there were no statistical differences between the subgroups (p > 0.05). Light-, moderate-, and high-intensity exercise reduced depression after the intervention [light, SMD = -0.33, 95% CI = (-0.57, -0.09); moderate, SMD = -0.64, 95% CI = (-0.85, -0.42); high, SMD = -0.25, 95% CI = (-0.44, -0.05)], with moderate-intensity exercise producing the best effect (p < 0.05). Only light- and moderate-intensity exercise relieved anxiety after the intervention [light, SMD = -0.48, 95% CI = (-0.71, -0.26); moderate, SMD = -0.58, 95% CI = (-0.85, -0.31)]. Only high-intensity exercise worked in alleviating stress [SMD = -1.13, 95% CI = (-2.22, -0.04)]. Both irritability and restlessness could be improved by light- and moderate-intensity exercise [irritability, SMD = -0.74, 95% CI = (-0.98, -0.50); restless, SMD = -0.72, 95% CI = (-0.98, -0.47)], and there were no statistical differences between the subgroups (p > 0.05). Moderate- and high-intensity exercise decreased withdrawal syndrome after the intervention [moderate, SMD = -0.30, 95% CI = (-0.55, -0.05); high, SMD = -1.33, 95% CI = (-1.90, -0.76)], with high-intensity exercise producing the best effects (p < 0.01). Conclusion: Overall, exercise leads to improvements in withdrawal symptoms in individuals with SUD, but these effects vary significantly between the exercise of different intensities and according to the type of withdrawal symptoms. Moderate-intensity exercise has the greatest benefits in improving depression and anxiety; high-intensity exercise has the greatest benefits in improving withdrawal syndrome. Systematic Review Registration: www.crd.york.ac.uk/PROSPERO/, identifier, CRD42022343791.
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Affiliation(s)
- Hao Li
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Wantang Su
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Jiajia Cai
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Li Zhao
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, China
| | - Yan Li
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, China
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Zanda MT, Floris G, Daws SE. Orbitofrontal cortex microRNAs support long-lasting heroin seeking behavior in male rats. Transl Psychiatry 2023; 13:117. [PMID: 37031193 PMCID: PMC10082780 DOI: 10.1038/s41398-023-02423-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/10/2023] Open
Abstract
Recovery from opioid use disorder (OUD) and maintenance of abstinence from opioid use is hampered by perseverant drug cravings that may persist for months after cessation of drug use. Drug cravings can intensify during the abstinence period, a phenomenon referred to as the 'incubation of craving' that has been well-described in preclinical studies. We previously reported that animals that self-administered heroin at a dosage of 0.075 mg/kg/infusion (HH) paired with discrete drug cues displayed robust incubation of heroin craving behavior after 21 days (D) of forced abstinence, an effect that was not observed with a lower dosage (0.03 mg/kg/infusion; HL). Here, we sought to elucidate molecular mechanisms underlying long-term heroin seeking behavior by profiling microRNA (miRNA) pathways in the orbitofrontal cortex (OFC), a brain region that modulates incubation of heroin seeking. miRNAs are small noncoding RNAs with long half-lives that have emerged as critical regulators of drug seeking behavior but their expression in the OFC has not been examined in any drug exposure paradigm. We employed next generation sequencing to detect OFC miRNAs differentially expressed after 21D of forced abstinence between HH and HL animals, and proteomics analysis to elucidate miRNA-dependent translational neuroadaptations. We identified 55 OFC miRNAs associated with incubation of heroin craving, including miR-485-5p, which was significantly downregulated following 21D forced abstinence in HH but not HL animals. We bidirectionally manipulated miR-485-5p in the OFC to demonstrate that miR-485-5p can regulate long-lasting heroin seeking behavior after extended forced abstinence. Proteomics analysis identified 45 proteins selectively regulated in the OFC of HH but not HL animals that underwent 21D forced abstinence, of which 7 were putative miR-485-5p target genes. Thus, the miR-485-5p pathway is dysregulated in animals with a phenotype of persistent heroin craving behavior and OFC miR-485-5p pathways may function to support long-lasting heroin seeking.
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Affiliation(s)
- Mary Tresa Zanda
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA
| | - Gabriele Floris
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA
| | - Stephanie E Daws
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA.
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA.
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Zhang D, Huang L, Jia Y, Zhang S, Bi X, Dai W. Integrated analysis of mRNA and microRNA expression profiles in hepatopancreas of Litopenaeus vannamei under acute exposure to MC-LR. Front Genet 2023; 14:1088191. [PMID: 36741320 PMCID: PMC9892846 DOI: 10.3389/fgene.2023.1088191] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
Intensive shrimp farming is often threatened by microcystins Hepatopancreas is the primary target organ of MCs in shrimp. To investigate the response of hepatopancreas to acute MC-LR exposure, the expression profiles of RNA-seq and miRNA-seq in the hepatopancreas of L. vannamei were determined, and data integration analysis was performed at 72 h after MC-LR injection. The expression of 5 DEGs and three DEMs were detected by Quantitative PCR (qPCR). The results showed that the cumulative mortality rate of shrimp in MC-LR treatment group was 41.1%. A total of 1229 differentially expressed genes (844 up- and 385 down-regulated) and 86 differentially expressed miRNAs (40 up- and 46 down-regulated) were identified after MC-LR exposure. Functional analysis indicated that DEGs is mainly involved in the oxidative activity process in molecular functional categories, and proteasome was the most enriched KEGG pathway for mRNAs profile. According to the functional annotation of target genes of DEMs, protein binding was the most important term in the GO category, and protein processing in endoplasmic reticulum (ER) was the most enriched KEGG pathway. The regulatory network of miRNAs and DEGs involved in the pathway related to protein degradation in endoplasmic reticulum was constructed, and miR-181-5p regulated many genes in this pathway. The results of qPCR showed that there were significant differences in the expression of five DEGs and three DEMs, which might play an important role in the toxicity and hepatopancreas detoxification of MC-LR in shrimp. The results revealed that MC-LR exposure affected the degradation pathway of misfolded protein in ER of L. vannamei hepatopancreas, and miR-181-5p might play an important role in the effect of MC-LR on the degradation pathway of misfolded protein.
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Demirel G, Tanoglu EG, Aslıyuksek H. Evaluation of microRNA let-7b-3p expression levels in methamphetamine abuse. REVISTA DA ASSOCIACAO MEDICA BRASILEIRA (1992) 2023; 69:e20221391. [PMID: 37075366 PMCID: PMC10176632 DOI: 10.1590/1806-9282.20221391] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 01/09/2023] [Indexed: 04/21/2023]
Abstract
OBJECTIVE In this study, we aimed to identify a microRNA expression signature that could be used to distinguish methamphetamine from control samples. We also utilized the existing bioinformatics tools in order to predict the candidate microRNAs that could play potential key roles in regulating drug addiction-related genes. METHODS Methamphetamine samples from 21 ventral tegmental area and 21 nucleus accumbens samples and their control regions were obtained from the Council of Forensic Medicine (Istanbul). Quantitative analysis of let-7b-3p was studied using quantitative reverse transcription PCR. Statistical analysis was carried out using Student's t-test. The receiver operating characteristic curves were plotted with Statistical Package for the Social Sciences (SPSS 20.0). RESULTS Our quantitative reverse transcription PCR results revealed that let-7b-3p was significantly overexpressed in brain tissues of the methamphetamine-user group. Let-7b-3p had significant power to discriminate methamphetamine from control samples in the ventral tegmental area (AUC; 0.922) and nucleus accumbens (AUC; 0.899) regions. CONCLUSION We have shown for the first time in the literature the differential expression of let-7b-3p in samples from methamphetamine-addicted individuals. We suggest that let-7b-3p could be a powerful marker for the diagnosis of methamphetamine addiction. Our results showed that differentially expressed let-7b-3p in methamphetamine users could be used as a diagnostic and therapeutic marker.
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Affiliation(s)
- Göksun Demirel
- Cukurova University, Faculty of Pharmacy, Department of Pharmaceutical Toxicology - Adana, Turkey
| | - Esra Guzel Tanoglu
- University of Health Sciences, Hamidiye Institute of Health Sciences, Department of Molecular Biology and Genetics - İstanbul, Turkey
- University of Health Sciences, Experimental Medicine Research and Application Center - İstanbul, Turkey
| | - Hızır Aslıyuksek
- Ministry of Justice Council of Forensic Medicine - İstanbul, Turkey
- Istanbul University, Institute of Forensic Sciences, Department of Medical Science - İstanbul, Turkey
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Wang H, Dong X, Awan MUN, Bai J. Epigenetic mechanisms involved in methamphetamine addiction. Front Pharmacol 2022; 13:984997. [PMID: 36091781 PMCID: PMC9458865 DOI: 10.3389/fphar.2022.984997] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Methamphetamine (METH) is an illicit psychostimulant that is widely abused. The molecular mechanism of METH addiction is complicated and still unknown. METH causes the release of the neurotransmitters including dopamine, glutamate, norepinephrine and serotonin, which activate various brain areas in the central nervous system. METH also induces synaptic plasticity and pathological memory enhancement. Epigenetics plays the important roles in regulating METH addiction. This review will briefly summarize the studies on epigenetics involved in METH addiction.
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Zhao Y, Qin F, Han S, Li S, Zhao Y, Wang H, Tian J, Cen X. MicroRNAs in drug addiction: Current status and future perspectives. Pharmacol Ther 2022; 236:108215. [DOI: 10.1016/j.pharmthera.2022.108215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 12/21/2022]
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Deng B, Zhang Z, Zhou H, Zhang X, Niu S, Yan X, Yan J. MicroRNAs in Methamphetamine-Induced Neurotoxicity and Addiction. Front Pharmacol 2022; 13:875666. [PMID: 35496314 PMCID: PMC9046672 DOI: 10.3389/fphar.2022.875666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/31/2022] [Indexed: 12/21/2022] Open
Abstract
Methamphetamine (METH) abuse remains a significant public health concern globally owing to its strong addictive properties. Prolonged abuse of the drug causes irreversible damage to the central nervous system. To date, no efficient pharmacological interventions are available, primarily due to the unclear mechanisms underlying METH action in the brain. Recently, microRNAs (miRNAs) have been identified to play critical roles in various cellular processes. The expression levels of some miRNAs are altered after METH administration, which may influence the transcription of target genes to regulate METH toxicity or addiction. This review summarizes the miRNAs in the context of METH use, discussing their role in the reward effect and neurotoxic sequelae. Better understanding of the molecular mechanisms involved in METH would be helpful for the development of new therapeutic strategies in reducing the harm of the drug.
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Affiliation(s)
- Bi Deng
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhirui Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Huixuan Zhou
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Xinran Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Shuliang Niu
- School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Xisheng Yan
- Department of Cardiovascular Medicine, Wuhan Third Hospital and Tongren Hospital of Wuhan University, Wuhan, China
| | - Jie Yan
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
- *Correspondence: Jie Yan,
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Epigenetic Regulatory Dynamics in Models of Methamphetamine-Use Disorder. Genes (Basel) 2021; 12:genes12101614. [PMID: 34681009 PMCID: PMC8535492 DOI: 10.3390/genes12101614] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/08/2021] [Accepted: 10/10/2021] [Indexed: 02/07/2023] Open
Abstract
Methamphetamine (METH)-use disorder (MUD) is a very serious, potentially lethal, biopsychosocial disease. Exposure to METH causes long-term changes to brain regions involved in reward processing and motivation, leading vulnerable individuals to engage in pathological drug-seeking and drug-taking behavior that can remain a lifelong struggle. It is crucial to elucidate underlying mechanisms by which exposure to METH leads to molecular neuroadaptive changes at transcriptional and translational levels. Changes in gene expression are controlled by post-translational modifications via chromatin remodeling. This review article focuses on the brain-region specific combinatorial or distinct epigenetic modifications that lead to METH-induced changes in gene expression.
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