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Giner P, Ortegon S, Bagdas D, O'Dell LE. The influence of ovarian hormones on the putative mechanisms that promote female nicotine use. Curr Opin Neurobiol 2024; 88:102900. [PMID: 39153250 DOI: 10.1016/j.conb.2024.102900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/16/2024] [Accepted: 07/22/2024] [Indexed: 08/19/2024]
Abstract
Nicotine use is driven by pleasurable effects, but following chronic exposure, nicotine use becomes largely driven by the desire need to avoid withdrawal symptoms. Current cessation strategies focusing on alleviating withdrawal, but current cessation interventions are less effective for women than men. Also, hormone fluctuations across the menstrual cycle appear to impact use patterns, withdrawal severity, and treatment efficacy. This raises important questions regarding optimal quit dates and the application of hormone interventions to alleviate withdrawal in women. This review surveys the existing literature assessing the impact of ovarian hormones on nicotine withdrawal severity. This is an important issue because women seeking cessation treatments may be using hormone-based contraceptives or hormone replacement post-menopause. Hormone interventions may also offer a novel treatment avenue that is more effective than current cessation approaches. Future work in this area is important for reducing health disparities produced by excessive nicotine use in women.
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Affiliation(s)
- Priscilla Giner
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, 79902, USA
| | - Sebastian Ortegon
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, 79902, USA
| | - Deniz Bagdas
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, 06511, USA; Yale Tobacco Center of Regulatory Science, Yale School of Medicine, New Haven, CT, 06511, USA.
| | - Laura E O'Dell
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, 79902, USA.
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2
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Henderson BJ, Tetteh-Quarshie S, Olszewski NA. Modulators of nicotine reward and reinforcement. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2024; 99:355-386. [PMID: 38467487 DOI: 10.1016/bs.apha.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Nicotine has been well-characterized for its ability to alter neurophysiology to promote rewarding and reinforcing properties. However, several exogenous chemicals possess properties that modulate or enhance nicotine's ability to alter neurophysiology. This chapter focuses on nicotine's impact on behavior through changes in neurophysiology and several chemical entities that in-turn modulate nicotine's ability to act as a neuromodulator.
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Affiliation(s)
- Brandon J Henderson
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, United States.
| | - Samuel Tetteh-Quarshie
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, United States
| | - Nathan A Olszewski
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, United States
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Ortegon S, Giner P, Cruz B, Carcoba LM, Clapp B, Clegg DJ, O'Dell LE. Effectiveness of pharmacotherapies for diabetes on nicotine, food, and water intake in insulin-resistant rats. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2024; 3:11812. [PMID: 38389818 PMCID: PMC10880793 DOI: 10.3389/adar.2023.11812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 11/28/2023] [Indexed: 02/24/2024]
Abstract
The intersectionality between diabetes medications and nicotine consumption was assessed in female and male rats. Briefly, the rats were fed a high-fat diet (HFD) or regular diet (RD) for 4 weeks. Then separate groups received vehicle or a low dose of streptozotocin (STZ; 25 mg/kg). Three days later, insulin resistance was assessed by measuring plasma glucose levels for 180 min following an injection of insulin (0.75 U/kg). The rats were then prepared with jugular catheters, and they were given 23 h access to nicotine intravenous self-administration (IVSA) in 4 days cycles with 3 days of forced abstinence in their home cages where they consumed their respective diet. During the IVSA sessions, operant responses for food and water and changes in body weight were recorded. Prior to administration of the pharmacotherapies, the rats were given access to two doses of nicotine (0.015 then 0.03 mg/kg for the remainder of the study). Then, daily injections of the pharmacotherapies were given at the onset of dark cycle (6 p.m.) in the following order: 1) dapagliflozin (3.0 then 10.0 mg/kg), 2) insulin (0.75 U/kg twice), and 3) bromocriptine (3.0 then 10.0 mg/kg). The results suggest that our HFD+STZ regiment induced insulin resistance in female and male rats. Also, the HFD-fed rats displayed higher nicotine intake than RD controls, regardless of sex. Administration of insulin, but not dapagliflozin or bromocriptine, normalized nicotine intake in HFD-fed rats to control levels. These results have clinical implications regarding the potential efficacy of insulin to control excessive nicotine intake in persons with diabetes.
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Affiliation(s)
- Sebastian Ortegon
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
| | - Priscilla Giner
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
| | - Bryan Cruz
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, United States
| | - Luis M Carcoba
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
| | - Benjamin Clapp
- Texas Tech University Health Science Center-El Paso, Paul Foster School of Medicine, El Paso, TX, United States
| | - Deborah J Clegg
- Texas Tech University Health Science Center-El Paso, Paul Foster School of Medicine, El Paso, TX, United States
| | - Laura E O'Dell
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
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Iqbal A, Hamid A, Ahmad SM, Lutfy K. The Role of Mu Opioid Receptors in High Fat Diet-Induced Reward and Potentiation of the Rewarding Effect of Oxycodone. Life (Basel) 2023; 13:life13030619. [PMID: 36983775 PMCID: PMC10055773 DOI: 10.3390/life13030619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Excessive high fat diet (HFD) consumption can induce food addiction, which is believed to involve the communication between the hypothalamus and mesolimbic dopaminergic neurons, originating in the ventral tegmental area (VTA) and projecting to the nucleus accumbens (NAc). These brain areas are densely populated with opioid receptors, raising the possibility that these receptors, and particularly mu opioid receptors (MORs), are involved in rewards elicited by palatable food. This study sought to investigate the involvement of MORs in HFD-induced reward and if there is any difference between male and female subjects in this response. We also assessed if exposure to HFD would alter the rewarding action of oxycodone, a relatively selective MOR agonist. The place conditioning paradigm was used as an animal model of reward to determine if short-time (STC, 2 h) or long-time (LTC, 16 h) conditioning with HFD induces reward or alters the rewarding action of oxycodone. Male and female C57BL/6J mice as well as MOR knockout and their wildtype littermates of both sexes were tested for basal place preference on day 1 and then conditioned with an HFD in one chamber and a regular chow diet (RCD) in another chamber for 2 h on alternate days. Three sets of STC were used, followed by a set of LTC. Each set of conditioning consisted of two conditioning with RCD and two conditioning with HFD. Mice were tested for place preference after each set of STC and again after LTC. Controls were conditioned with RCD in both conditioning chambers. Following the last place preference test, mice were treated with oxycodone and conditioned in the HFD-paired chamber and with saline in the RCD-paired chamber for one hour once a day to explore the possibility if the HFD could alter oxycodone reward. The result showed that HFD induced conditioned place preference (CPP) in male but not female subjects. However, oxycodone conditioning elicited reward in both male and female mice of the HFD group but not the control group, showing that prior conditioning with HFD potentiated the rewarding action of oxycodone. The latter response was mediated via MORs, as it was blunted in MOR knockout mice. Similarly, HFD-induced CPP was blunted in male MOR knockout mice, suggesting sexual dimorphism in this response.
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Vargas-Medrano J, Carcoba LM, Vidal Martinez G, Mulla ZD, Diaz V, Ruiz-Velasco A, Alvarez-Primo F, Colina G, Iñiguez SD, Thompson PM, O’Dell LE, Gadad BS. Sex and diet-dependent gene alterations in human and rat brains with a history of nicotine exposure. Front Psychiatry 2023; 14:1104563. [PMID: 36846236 PMCID: PMC9950561 DOI: 10.3389/fpsyt.2023.1104563] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/19/2023] [Indexed: 02/12/2023] Open
Abstract
Introduction Chronic nicotine exposure induces changes in the expression of key regulatory genes associated with metabolic function and neuronal alterations in the brain. Many bioregulatory genes have been associated with exposure to nicotine, but the modulating effects of sex and diet on gene expression in nicotine-exposed brains have been largely unexplored. Both humans and rodents display motivation for nicotine use and the emergence of withdrawal symptoms during abstinence. Research comparing pre-clinical models with human subjects provides an important opportunity to understand common biomarkers of the harmful effects of nicotine as well as information that may help guide the development of more effective interventions for nicotine cessation. Methods Human postmortem dorsolateral prefrontal cortex (dLPFC) tissue BA9 was collected from female and male subjects, smokers and non-smokers (N = 12 per group). Rat frontal lobes were collected from female and male rats that received a regular diet (RD) or a high-fat diet (HFD) (N = 12 per group) for 14 days following implantation of a osmotic mini-pump (Alzet) that delivered nicotine continuously. Controls (control-s) received a sham surgical procedure. RNA was extracted from tissue from human and rat samples and reversed-transcribed to cDNA. Gene expression of CHRNA10 (Cholinergic receptor nicotinic alpha 10), CERKL (Ceramide Kinase-Like), SMYD1 (SET and MYD Domin Containing 1), and FA2H (Fatty Acid 2-Hydrolase) in humans was compared to rats in each subset of groups and quantified by qPCR methods. Additionally, protein expression of FA2H was analyzed by immunohistochemistry (IHC) in human dLPFC. Results Humans with a history of smoking displayed decreased CHRNA10 (p = 0.0005), CERKL (p ≤ 0.0001), and SMYD1 (p = 0.0005) expression and increased FA2H (p = 0.0097) expression compared to non-smokers (p < 0.05). Similar patterns of results were observed in nicotine exposed vs. control rats. Interestingly, sex-related differences in gene expression for CERKL and FA2H were observed. In addition, ANCOVA analysis showed a significant effect of nicotine in a sex-different manner, including an increase in CERKL in male and female rats with RD or HFD. In rats exposed to an HFD, FA2H gene expression was lower in nicotine-treated rats compared to RD rats treated with nicotine. Protein expression of FA2H (p = 0.001) by IHC was significantly higher in smokers compared to non-smokers. Conclusion These results suggest that a history of long-term nicotine exposure in humans alters the expression of sphingolipid metabolism-related (CERKL, SMYD1, and FA2H) and neuronal (CHRNA10) marker genes similarly as compared to rats. Sex- and diet-dependent differences appear in nicotine-exposed rats, critical in regulating sphingolipid metabolism and nicotinic acetylcholine receptors. This research enhances the construct validity of rat models of nicotine usage by showing a similar pattern of changes in gene expression in human subjects with a smoking history.
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Affiliation(s)
- Javier Vargas-Medrano
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Luis M. Carcoba
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Guadalupe Vidal Martinez
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Zuber D. Mulla
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Victoria Diaz
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Alejandra Ruiz-Velasco
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Fabian Alvarez-Primo
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Gabriela Colina
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Sergio D. Iñiguez
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
| | - Peter M. Thompson
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Laura E. O’Dell
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, United States
| | - Bharathi S. Gadad
- Department of Psychiatry, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Southwest Brain Bank, Texas Tech University Health Sciences Center, El Paso, TX, United States
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States
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Henderson BJ, Richardson MR, Cooper SY. A high-fat diet has sex-specific effects on nicotine vapor self-administration in mice. Drug Alcohol Depend 2022; 241:109694. [PMID: 36402049 PMCID: PMC9793688 DOI: 10.1016/j.drugalcdep.2022.109694] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 10/07/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND Previous investigations have shown that fat-rich diets increase vulnerability to drug dependence, including nicotine. Despite this knowledge, few investigations into the neurochemical mechanisms have been completed. Our objective here was to examine if high-fat diet (HFD) impacted nicotine intake and in parallel examine potential changes in dopamine signaling. METHODS Adult male and female C57/BL6J mice were used in nicotine e-vape® self-administration (EVSA) assays after being maintained on a standard diet or HFD for 6 weeks. In a separate cohort of mice, dopamine release in the nucleus accumbens core was examined with fast-scan cyclic voltammetry. RESULTS Female mice assigned to HFD exhibited increased nicotine EVSA during low-effort responding (FR1) when compared to standard-diet mice. HFD-assigned mice (male and female) also exhibited reduced active nose pokes in a progressive ratio task. Finally, HFD-mice exhibited reduced phasic dopamine release compared to standard-diet mice. CONCLUSIONS These show that fat-rich diets alter nicotine intake (females increase at low effort, males and females decrease at high effort) and this may occur due to HFD-induced decreases in NAc dopamine release.
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Affiliation(s)
- Brandon J Henderson
- Department of Biomedical Sciences, Joan C Edwards School of Medicine at Marshall University, 1700 3rd Ave, Huntington, WV 25703, USA.
| | - Montana R Richardson
- Department of Biomedical Sciences, Joan C Edwards School of Medicine at Marshall University, 1700 3rd Ave, Huntington, WV 25703, USA.
| | - Skylar Y Cooper
- Department of Biomedical Sciences, Joan C Edwards School of Medicine at Marshall University, 1700 3rd Ave, Huntington, WV 25703, USA.
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Pierucci M, Delicata F, Colangeli R, Marino Gammazza A, Pitruzzella A, Casarrubea M, De Deurwaerdère P, Di Giovanni G. Nicotine modulation of the lateral habenula/ventral tegmental area circuit dynamics: An electrophysiological study in rats. Neuropharmacology 2022; 202:108859. [PMID: 34710468 DOI: 10.1016/j.neuropharm.2021.108859] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 12/14/2022]
Abstract
Nicotine, the addictive component of tobacco, has bivalent rewarding and aversive properties. Recently, the lateral habenula (LHb), a structure that controls ventral tegmental area (VTA) dopamine (DA) function, has attracted attention as it is potentially involved in the aversive properties of drugs of abuse. Hitherto, the LHb-modulation of nicotine-induced VTA neuronal activity in vivo is unknown. Using standard single-extracellular recording in anesthetized rats, we observed that intravenous administration of nicotine hydrogen tartrate (25-800 μg/kg i.v.) caused a dose-dependent increase in the basal firing rate of the LHb neurons of nicotine-naïve rats. This effect underwent complete desensitization in chronic nicotine (6 mg/kg/day for 14 days)-treated animals. As previously reported, acute nicotine induced an increase in the VTA DA neuronal firing rate. Interestingly, only neurons located medially (mVTA) but not laterally (latVTA) within the VTA were responsive to acute nicotine. This pattern of activation was reversed by chronic nicotine exposure which produced the selective increase of latVTA neuronal activity. Acute lesion of the LHb, similarly to chronic nicotine treatment, reversed the pattern of DA cell activation induced by acute nicotine increasing latVTA but not mVTA neuronal activity. Our evidence indicates that LHb plays an important role in mediating the effects of acute and chronic nicotine within the VTA by activating distinct subregional responses of DA neurons. The LHb/VTA modulation might be part of the neural substrate of nicotine aversive properties. By silencing the LHb chronic nicotine could shift the balance of motivational states toward the reward.
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Affiliation(s)
- Massimo Pierucci
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta.
| | - Francis Delicata
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Roberto Colangeli
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Antonella Marino Gammazza
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Alessandro Pitruzzella
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Maurizio Casarrubea
- Laboratory of Behavioral Physiology, Human Physiology Section Giuseppe Pagano, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique Unité Mixte de Recherche, 5287, Bordeaux Cedex, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, UK.
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O'Dell LE, Koob GF, Nazarian A. Vulnerability to substance abuse: A consideration of allostatic loading factors. Neuropharmacology 2021; 199:108767. [PMID: 34454910 DOI: 10.1016/j.neuropharm.2021.108767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Laura E O'Dell
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, USA.
| | - George F Koob
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA.
| | - Arbi Nazarian
- Department of Pharmaceutical Sciences, Western University of Health Sciences, Pomona, CA, USA.
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