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Hur KH, Lee Y, Donio AL, Kim SK, Lee BR, Seo JY, Kundu D, Kim KM, Kohut SJ, Lee SY, Jang CG. Transient receptor potential ankyrin 1 channel modulates the abuse-related mechanisms of methamphetamine through interaction with dopamine transporter. Br J Pharmacol 2024; 181:2794-2809. [PMID: 38644533 PMCID: PMC11230846 DOI: 10.1111/bph.16370] [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: 09/07/2023] [Revised: 02/17/2024] [Accepted: 02/29/2024] [Indexed: 04/23/2024] Open
Abstract
BACKGROUND AND PURPOSE Methamphetamine (METH) use disorder has risen dramatically over the past decade, and there are currently no FDA-approved medications due, in part, to gaps in our understanding of the pharmacological mechanisms related to METH action in the brain. EXPERIMENTAL APPROACH Here, we investigated whether transient receptor potential ankyrin 1 (TRPA1) mediates each of several METH abuse-related behaviours in rodents: self-administration, drug-primed reinstatement, acquisition of conditioned place preference, and hyperlocomotion. Additionally, METH-induced molecular (i.e., neurotransmitter and protein) changes in the brain were compared between wild-type and TRPA1 knock-out mice. Finally, the relationship between TRPA1 and the dopamine transporter was investigated through immunoprecipitation and dopamine reuptake assays. KEY RESULTS TRPA1 antagonism blunted METH self-administration and drug-primed reinstatement of METH-seeking behaviour. Further, development of METH-induced conditioned place preference and hyperlocomotion were inhibited by TRPA1 antagonist treatment, effects that were not observed in TRPA1 knock-out mice. Similarly, molecular studies revealed METH-induced increases in dopamine levels and expression of dopamine system-related proteins in wild-type, but not in TRPA1 knock-out mice. Furthermore, pharmacological blockade of TRPA1 receptors reduced the interaction between TRPA1 and the dopamine transporter, thereby increasing dopamine reuptake activity by the transporter. CONCLUSION AND IMPLICATIONS This study demonstrates that TRPA1 is involved in the abuse-related behavioural effects of METH, potentially through its modulatory role in METH-induced activation of dopaminergic neurotransmission. Taken together, these data suggest that TRPA1 may be a novel therapeutic target for treating METH use disorder.
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Affiliation(s)
- Kwang-Hyun Hur
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
- Behavioral Neuroimaging Laboratory, McLean Hospital, Boston, Massachusetts, USA
- Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA
| | - Youyoung Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Audrey Lynn Donio
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Seon-Kyung Kim
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Bo-Ram Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Jee-Yeon Seo
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Dooti Kundu
- Department of Pharmacology, College of Pharmacy, Chonnam National University, Gwang-Ju, Republic of Korea
| | - Kyeong-Man Kim
- Department of Pharmacology, College of Pharmacy, Chonnam National University, Gwang-Ju, Republic of Korea
| | - Stephen J Kohut
- Behavioral Neuroimaging Laboratory, McLean Hospital, Boston, Massachusetts, USA
- Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA
| | - Seok-Yong Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Choon-Gon Jang
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
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Sauchinone Blocks Ethanol Withdrawal-Induced Anxiety but Spares Locomotor Sensitization: Involvement of Nitric Oxide in the Bed Nucleus of the Stria Terminalis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6670212. [PMID: 34035825 PMCID: PMC8116157 DOI: 10.1155/2021/6670212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 12/24/2022]
Abstract
Both the positive (manifested by locomotor sensitization) and negative (withdrawal symptoms) reinforcing effects of ethanol (EtOH) involve central nitric oxide (NO) signaling. Sauchinone (a bioactive lignan in Saururus chinensis) has been shown to improve methamphetamine-induced behavioral and neurochemical changes via the NO signaling pathway. Thus, this study evaluated the effects of sauchinone on locomotor sensitization and anxiety during EtOH withdrawal (EtOHW). Male adult Sprague-Dawley rats were treated with 1.5 g/kg/day of EtOH (20%, vol/vol) via intraperitoneal injection for 28 days, followed by a 3-day withdrawal. During withdrawal, the rats were given intragastric sauchinone (2.5, 7.5, or 25 mg/kg/day) once a day. EtOH locomotor sensitization was determined by challenging EtOHW rats with 0.75 g/kg EtOH, while EtOHW-induced anxiety was assessed using the elevated plus maze (EPM). None of the three doses of sauchinone affected EtOH locomotor sensitization. However, in the EPM, treatment of EtOHW rats with sauchinone at 7.5 or 25 mg/kg/day increased both the number of entries into and the time spent in the open arms. Moreover, the two doses of sauchinone inhibited the oversecretion of plasma corticosterone during EtOHW. In the bed nucleus of the stria terminalis (BNST), EtOHW increased NO production, enhanced gene and protein expression of both inducible nitric oxide synthase (iNOS) and neuronal NOS (nNOS), and also elevated protein levels of corticotropin-releasing factor, which were all inhibited by 25 mg/kg/day sauchinone. In an in vitro experiment, sauchinone (3, 10, and 30 μM) inhibited H2O2-stimulated nNOS protein expression in neuronal PC12 cells. Finally, intra-BNST infusion of sodium nitroprusside, a NO donor, after sauchinone (25 mg/kg/day) administration, abolished its expected anxiolytic effect. Taken together, these results indicate that sauchinone attenuates anxiety-like behavior in rats during EtOHW but spares EtOH locomotor sensitization, and the anxiolytic effect is mediated via the NO signaling pathway in the BNST.
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Isoliquiritigenin Attenuates Anxiety-Like Behavior and Locomotor Sensitization in Rats after Repeated Exposure to Nicotine. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9692321. [PMID: 32256666 PMCID: PMC7102418 DOI: 10.1155/2020/9692321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 02/21/2020] [Indexed: 11/18/2022]
Abstract
As important components of positive and negative reinforcement, locomotor sensitization and withdrawal anxiety following repeated exposure to nicotine (NIC) constitute crucial risk factors for relapse to NIC use after abstinence. Glycyrrhiza radix (G. radix), an important tonic used in traditional Oriental medicine, has not only anxiolytic effects but also reduces NIC-induced locomotor sensitization. Isoliquiritigenin (ISL), a bioactive ingredient of G. radix, also exhibits neuropharmacological effects, including anxiolytic action. Previously, we reported that ISL suppressed cocaine-induced extracellular dopamine release in the nucleus accumbens shell (NaccSh) and attenuated methamphetamine-induced neurotoxicity. The present study was performed to evaluate the effects of ISL on both NIC withdrawal anxiety and locomotor sensitization. Adult male rats received subcutaneous administration of NIC hydrogen tartrate (0.4 mg/kg, twice a day) for 7 days followed by 4 days of withdrawal. During the period of NIC withdrawal, the rats received four intragastric treatments with ISL (3, 10, or 30 mg/kg/day). All three doses of ISL significantly inhibited NIC withdrawal-induced anxiety-like behaviors in the elevated plus maze (EPM) test, but only the 10 mg/kg/day and 30 mg/kg/day ISL doses attenuated locomotor sensitization induced by a challenge dose of NIC. Intracerebroventricular ISL also inhibited both NIC-induced withdrawal anxiety and locomotor sensitization, but intra-NaccSh injection of ISL blocked only NIC locomotor sensitization, which was abolished by post-ISL infusion of tert-butyl hydroperoxide (an oxidant) or N-methyl-d-aspartate (NMDA) into the NaccSh. Moreover, there was increased protein expression of phosphorylated Erk1/2 in the NIC-sensitized NaccSh, which was suppressed by ISL. Taken together, these results suggest that ISL can inhibit repeated NIC-induced withdrawal anxiety and locomotor sensitization, and the latter is mediated by antagonizing accumbal reactive oxygen species and NMDA receptor signaling.
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Yang GM, Li L, Xue FL, Ma CL, Zeng XF, Zhao YN, Zhang DX, Yu Y, Yan QW, Zhou YQ, Hong SJ, Li LH. The Potential Role of PKA/CREB Signaling Pathway Concerned with Gastrodin Administration on Methamphetamine-Induced Conditioned Place Preference Rats and SH-SY5Y Cell Line. Neurotox Res 2020; 37:926-935. [PMID: 31900897 DOI: 10.1007/s12640-019-00150-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 11/16/2019] [Accepted: 12/11/2019] [Indexed: 02/07/2023]
Abstract
To investigate the effects of gastrodin (GAS) on methamphetamine (MA)-induced conditioned place preference (CPP) in rats and explore its potential mechanisms. MA (10 mg/kg) was initially injected intraperitoneally (i.p.) in rats, after which they were administered either MA or saline alternately from day 4 to 13 (D4-13) for 10 days, followed by treatment with GAS (10 or 20 mg/kg, i.p.) on D15-21 for 7 days. The rats underwent CPP testing after MA and GAS treatment. In vitro, SH-SY5Y cells were exposed to MA (2.0 mM) for 24 h, followed by treatment with GAS (2.0 or 4.0 mM) for 24 h. The expression levels of PKA, P-PKA, CREB, and P-CREB proteins in the prefrontal cortex, nucleus accumbens, and ventral tegmental area of MA-induced CPP rats and in SH-SY5Y cells were detected by Western blot analysis. The MA-induced CPP rat model was successfully established. The administration of MA stimulated a significant alteration in behavior, as measured by the CPP protocol. After treatment with GAS, the amount of time rats spent in the MA-paired chamber was significantly reduced. Results also showed that MA increased the expression levels of PKA, P-PKA, CREB, and p-CREB proteins in the prefrontal cortex, nucleus accumbens, and ventral tegmental area of CPP rats and in SH-SY5Y cells (p < 0.05). GAS attenuated the effect of MA-induced CPP in rats and decreased the expression levels of proteins in vivo and in vitro. Our study suggests that GAS can attenuate the effects of MA-induced CPP in rats by regulating the PKA/CREB signaling pathway.
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Affiliation(s)
- Gen-Meng Yang
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Lu Li
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, 510000, Guangdong, China
| | - Feng-Lin Xue
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
- Department of Pathology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Chen-Li Ma
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Xiao-Feng Zeng
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yong-Na Zhao
- International Education School, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Dong-Xian Zhang
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yang Yu
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Qian-Wen Yan
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yi-Qing Zhou
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Shi-Jun Hong
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China.
| | - Li-Hua Li
- School of Forensic Medicine, Kunming Medical University, Kunming, 650500, Yunnan, China.
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Huang J, Yang G, Li Z, Leung CK, Wang W, Li Y, Liu L, Shen B, He C, He Y, Zeng X, Li J. Involvement of dopamine D3 receptor and dopamine transporter in methamphetamine-induced behavioral sensitization in tree shrews. Brain Behav 2020; 10:e01533. [PMID: 31943832 PMCID: PMC7010569 DOI: 10.1002/brb3.1533] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/15/2019] [Accepted: 12/29/2019] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION This study aims to establish a methamphetamine (METH)-induced behavioral sensitization model using tree shrews, as well as to measure the protein expression of the dopamine D3 receptor (D3R) and dopamine transporter (DAT). METHODS Forty tree shrews were equally and randomly divided into four experimental groups: those administered with 1, 2, and 4 mg/kg METH and a control group (treated with an equal amount of normal saline). Each experimental group was repeatedly exposed to METH for nine consecutive days to induce the development of behavioral sensitization, followed by four days of withdrawal (without the METH treatment) to induce the transfer of behavioral sensitization, then given 0.5 mg/kg of METH to undergo the expression of behavioral sensitization. Altered locomotor and stereotypic behaviors were measured daily via open-field experiments during the development and expression stages, and weight changes were also recorded. Then, the Western blot method was used to detect the expression levels of D3R and DAT in three brain regions: the nucleus accumbens, prefrontal cortex, and dorsal striatum 24 hr after the last behavioral test. RESULTS METH administration augmented motor-stimulant responses and stereotypic behaviors in all experimental groups, and stereotypic behaviors intensified more in the groups treated with 2 and 4 mg/kg METH. Motion distance, speed, and trajectory were significantly elevated in all experimental, however, METH at 4 mg/kg induced more stereotypic behaviors, decreasing these locomotor activities as compared with the 2 mg/kg METH group. 2 and 4 mg/kg METH significantly upregulated and downregulated D3R and DAT expression levels, respectively, in three brain regions, and these changes are more pronounced in 2 mg/kg METH. CONCLUSIONS These results indicated that this animal model may be used to study the neurobiological mechanisms that underly the development and expression of behavioral sensitization to METH. Deregulated D3R and DAT expression may be involved in the METH-induced behavioral sensitization.
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Affiliation(s)
- Jian Huang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Genmeng Yang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Zhen Li
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Chi-Kwan Leung
- School of Biomedical Sciences, the Chinese University of Hong Kong, Hong Kong, China.,CUHK-SDU Joint Laboratory of Reproductive Genetics, School of Biomedical Sciences, the Chinese University of Hong Kong, Hong Kong, China
| | - Wenguang Wang
- Center of Tree Shrew Germplasm Resources, Institute of Medical Biology, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Yunnan Innovation Team of Standardization and Application Research in Tree Shrew, the Chinese Academy of Medical Science and Peking Union Medical College, Kunming, China
| | - Yuanyuan Li
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Liu Liu
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Baoyu Shen
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Cuihua He
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Yongwang He
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Xiaofeng Zeng
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Juan Li
- School of Basic Medicine, Kunming Medical University, Kunming, China
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Zhao ZL, Kim SC, Liu HF, Wu YY, Li LB, Wang YH, Jiao Y, Fan Y, Lee CW, Lee BH, Cho IJ, Yang CH, Zhao RJ. Blockade of nicotine sensitization by methanol extracts of Glycyrrhizae radix mediated via antagonism of accumbal oxidative stress. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:493. [PMID: 29145840 PMCID: PMC5691594 DOI: 10.1186/s12906-017-1999-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 11/10/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND We previously reported that a methanol extract of Glycyrrhizae radix (MEGR) blocked methamphetamine-induced locomotor sensitization and conditioned place preference in rats. In the present study, the effects of MEGR on repeated nicotine-induced locomotor sensitization and enhanced extracellular dopamine (DA) release in the nucleus accumbens (Nacc) were evaluated. METHODS Male Sprague-Dawley rats received repeated administrations of nicotine (0.4 mg/kg, subcutaneous) or saline twice a day for 7 d and were challenged with nicotine 4 d after the last daily dosing. During the 4-d withdrawal period, the rats were treated once a day with MEGR (60 or 180 mg/kg/d). Extracellular DA levels were measured by in vivo microdialysis, the malondialdehyde levels and the activities of superoxide dismutase and catalase in the Nacc were biochemically evaluated, and the expression of antioxidant proteins was confirmed by Western blot assays. All data were assessed with analysis of variance tests followed by post-hoc comparison tests and p values <0.05 were considered statistically significant. RESULTS The expression of repeated nicotine-induced locomotor sensitization was dose-dependently attenuated by MEGR, and 180 mg/kg/d MEGR significantly inhibited augmented accumbal DA release induced by a direct local challenge of nicotine. Moreover, 180 mg/kg/d MEGR reversed increases in malondialdehyde production, decreases in superoxide dismutase and catalase activities, and the reduced expression of nuclear factor erythroid 2-related factor 2 and heme oxygenase 1 in the nicotine-sensitized Nacc. CONCLUSIONS These results suggest that MEGR inhibited nicotine-induced locomotion and dopaminergic sensitization via antioxidant action.
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