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Basmadjian OM, Occhieppo VB, Montemerlo AE, Rivas GA, Rubianes MD, Baiardi G, Bregonzio C. Angiotensin II involvement in the development and persistence of amphetamine-induced sensitization: Striatal dopamine reuptake implications. Eur J Neurosci 2024; 59:2450-2464. [PMID: 38480476 DOI: 10.1111/ejn.16312] [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: 08/29/2023] [Revised: 02/06/2024] [Accepted: 02/22/2024] [Indexed: 05/22/2024]
Abstract
Amphetamine (AMPH) exposure induces behavioural and neurochemical sensitization observed in rodents as hyperlocomotion and increased dopamine release in response to a subsequent dose. Brain Angiotensin II modulates dopaminergic neurotransmission through its AT1 receptors (AT1-R), positively regulating striatal dopamine synthesis and release. This work aims to evaluate the AT1-R role in the development and maintenance of AMPH-induced sensitization. Also, the AT1-R involvement in striatal dopamine reuptake was analysed. The sensitization protocol consisted of daily AMPH administration for 5 days and tested 21 days after withdrawal. An AT1-R antagonist, candesartan, was administered before or after AMPH exposure to evaluate the participation of AT1-R in the development and maintenance of sensitization, respectively. Sensitization was evaluated by locomotor activity and c-Fos immunostaining. Changes in dopamine reuptake kinetics were evaluated 1 day after AT1-R blockade withdrawal treatment, with or without the addition of AMPH in vitro. The social interaction test was performed as another behavioural output. Repeated AMPH exposure induced behavioural and neurochemical sensitization, which was prevented and reversed by candesartan. The AT1-R blockade increased the dopamine reuptake kinetics. Neither the AMPH administration nor the AT1-R blockade altered the performance of social interaction. Our results highlight the AT1-R's crucial role in AMPH sensitization. The enhancement of dopamine reuptake kinetics induced by the AT1-R blockade might attenuate the neuroadaptive changes that lead to AMPH sensitization and its self-perpetuation. Therefore, AT1-R is a prominent candidate as a target for pharmacological treatment of pathologies related to dopamine imbalance, including drug addiction and schizophrenia.
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Affiliation(s)
- Osvaldo M Basmadjian
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Victoria B Occhieppo
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Antonella E Montemerlo
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gustavo A Rivas
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - María D Rubianes
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gustavo Baiardi
- Laboratorio de Neurofarmacología, (IIBYT-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Claudia Bregonzio
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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Abe H, Iwama T, Yabu H, Ino K, Inoue KY, Suda A, Kunikata R, Matsudaira M, Matsue T. Simultaneous and Selective Imaging of Dopamine and Glutamate Using an Enzyme‐modified Large‐scale Integration (LSI)‐based Amperometric Electrochemical Device. ELECTROANAL 2018. [DOI: 10.1002/elan.201800386] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hiroya Abe
- Graduate School of Environmental Studies Tohoku University 6-6-11-604 Aramaki-aza Aoba, Aoba-ku Sendai 980-8579 Japan
| | - Tomoki Iwama
- Graduate School of Environmental Studies Tohoku University 6-6-11-604 Aramaki-aza Aoba, Aoba-ku Sendai 980-8579 Japan
| | - Hiroshi Yabu
- WPI-Advanced Institute for Materials Research Tohoku University 2-1-1 Katahira, Aoba Sendai 980-8577 Japan
| | - Kosuke Ino
- Graduate School of Engineering Tohoku University 6-6-11-406 Aramaki-aza Aoba, Aoba-ku Sendai 980-8579 Japan
| | - Kumi Y. Inoue
- Graduate School of Environmental Studies Tohoku University 6-6-11-604 Aramaki-aza Aoba, Aoba-ku Sendai 980-8579 Japan
| | - Atsushi Suda
- Japan Aviation Electronics Industry, Ltd. 1-1, Musashino 3-chome, Akishima-shi Tokyo 196-8555 Japan
| | - Ryota Kunikata
- Japan Aviation Electronics Industry, Ltd. 1-1, Musashino 3-chome, Akishima-shi Tokyo 196-8555 Japan
| | - Masahki Matsudaira
- Micro System Integration Center Tohoku University 519-1176 Aramaki-aza Aoba, Aoba-ku Sendai 980-0845 Japan
| | - Tomokazu Matsue
- Graduate School of Environmental Studies Tohoku University 6-6-11-604 Aramaki-aza Aoba, Aoba-ku Sendai 980-8579 Japan
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Chu SC, Chen PN, Chen JR, Yu CH, Hsieh YS, Kuo DY. Role of hypothalamic leptin-LepRb signaling in NPY-CART-mediated appetite suppression in amphetamine-treated rats. Horm Behav 2018; 98:173-182. [PMID: 29307696 DOI: 10.1016/j.yhbeh.2017.12.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 12/22/2017] [Accepted: 12/29/2017] [Indexed: 12/15/2022]
Abstract
Leptin is an adipose tissue hormone which plays an important role in regulating energy homeostasis. Amphetamine (AMPH) is a drug of appetite suppressant, which exerts its effect by decreasing the expression of hypothalamic neuropeptide Y (NPY) and increasing that of cocaine- and amphetamine-regulated transcript (CART). This study investigated whether leptin, the leptin receptor (LepRb) and the signal transducer and activator of transcription-3 (STAT3) were involved in NPY/CART-mediated appetite suppression in AMPH-treated rats. Rats were given AMPH daily for four days, and changes in the levels of blood leptin and hypothalamic NPY, CART, LepRb, Janus kinases 2 (JAK2), and STAT3 were assessed and compared. During the AMPH treatment, blood leptin levels and hypothalamic NPY expression decreased, with the largest reduction observed on Day 2. By contrast, the expression of hypothalamic CART, LepRb, JAK2, and STAT3 increased, with the maximum response on Day 2. Furthermore, the binding activity of pSTAT3/DNA increased and was expressed in similar pattern to that of CART, LepRb, and JAK2. An intracerebroventricular infusion of NPY antisense 60min prior to AMPH treatment increased the levels of leptin, as well as the expression in LepRb, JAK2, and CART, whereas an infusion of STAT3 antisense decreased these levels and the expression of these parameters. The results suggest that blood leptin and hypothalamic LepRb-JAK2-STAT3 signaling involved in NPY-CART-regulated appetite suppression in AMPH-treated rats. The findings may aid understanding the role of leptin-LepRb during the treatment of anorectic drugs.
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Affiliation(s)
- Shu-Chen Chu
- Department of Food Science, Central Taiwan University of Science and Technology, Taichung City 406, Taiwan
| | - Pei-Ni Chen
- Institute of Biochemistry and Biotechnology, Chung Shan Medical University, Chung Shan Medical University Hospital, Taichung City 40201, Taiwan
| | - Jeng-Rung Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung City 40201, Taiwan
| | - Ching-Han Yu
- Department of Physiology, Chung Shan Medical University, Chung Shan Medical University Hospital, Taichung City 40201, Taiwan
| | - Yih-Shou Hsieh
- Institute of Biochemistry and Biotechnology, Chung Shan Medical University, Chung Shan Medical University Hospital, Taichung City 40201, Taiwan
| | - Dong-Yih Kuo
- Department of Physiology, Chung Shan Medical University, Chung Shan Medical University Hospital, Taichung City 40201, Taiwan.
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Abraini JH, David HN, Blatteau JÉ, Risso JJ, Vallée N. A method for calculating the gas volume proportions and inhalation temperature of inert gas mixtures allowing reaching normothermic or hypothermic target body temperature in the awake rat. Med Gas Res 2017; 7:175-180. [PMID: 29152210 PMCID: PMC5674655 DOI: 10.4103/2045-9912.215746] [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] [Indexed: 11/04/2022] Open
Abstract
The noble gases xenon (Xe) and helium (He) are known to possess neuroprotective properties. Xe is considered the golden standard neuroprotective gas. However, Xe has a higher molecular weight and lower thermal conductivity and specific heat than those of nitrogen, the main diluent of oxygen (O2) in air, conditions that could impair or at least reduce the intrinsic neuroprotective properties of Xe by increasing the critical care patient's respiratory workload and body temperature. In contrast, He has a lower molecular weight and higher thermal conductivity and specific heat than those of nitrogen, but is unfortunately far less potent than Xe at providing neuroprotection. Therefore, combining Xe with He could allow obtaining, depending on the gas inhalation temperature and composition, gas mixtures with neutral or hypothermic properties, the latter being advantageous in term of neuroprotection. However, calculating the thermal properties of a mixture, whatever the substances - gases, metals, rubbers, etc. - is not trivial. To answer this question, we provide a graphical method to assess the volume proportions of Xe, He and O2 that a gas mixture should contain, and the inhalation temperature to which it should be administered to allow a clinician to maintain the patient at a target body temperature.
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Affiliation(s)
- Jacques H Abraini
- Institut de Recherche Biomédicale des Armées, Équipe Résidente de Recherche Subaquatique Opérationnelle, Toulon, France.,Université Laval, Faculté de Médecine, Département d'Anesthesiologie, Québec, QC, Canada
| | - Hélène N David
- Université Laval, Faculté de Médecine, Département d'Anesthesiologie, Québec, QC, Canada
| | - Jean-Éric Blatteau
- Hôpital d'Instruction des Armées Sainte-Anne, Service de Médecine Hyperbare et Expertise Plongée, Toulon, France
| | - Jean Jacques Risso
- Institut de Recherche Biomédicale des Armées, Équipe Résidente de Recherche Subaquatique Opérationnelle, Toulon, France
| | - Nicolas Vallée
- Institut de Recherche Biomédicale des Armées, Équipe Résidente de Recherche Subaquatique Opérationnelle, Toulon, France
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Abstract
This paper is the thirty-eighth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2015 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia, stress and social status, tolerance and dependence, learning and memory, eating and drinking, drug abuse and alcohol, sexual activity and hormones, pregnancy, development and endocrinology, mental illness and mood, seizures and neurologic disorders, electrical-related activity and neurophysiology, general activity and locomotion, gastrointestinal, renal and hepatic functions, cardiovascular responses, respiration and thermoregulation, and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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