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Weiner SP, Vasquez C, Song S, Zhao K, Ali O, Rosenkilde D, Froemke RC, Carr KD. Sex difference in the effect of environmental enrichment on food restriction-induced persistence of cocaine conditioned place preference and mechanistic underpinnings. ADDICTION NEUROSCIENCE 2024; 10:100142. [PMID: 38323217 PMCID: PMC10843874 DOI: 10.1016/j.addicn.2024.100142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Psychosocial and environmental factors, including loss of natural reward, contribute to the risk of drug abuse. Reward loss has been modeled in animals by removal from social or sexual contact, transfer from enriched to impoverished housing, or restriction of food. We previously showed that food restriction increases the unconditioned rewarding effects of abused drugs and the conditioned incentive effects of drug-paired environments. Mechanistic studies provided evidence of decreased basal dopamine (DA) transmission, adaptive upregulation of signaling downstream of D1 DA receptor stimulation, synaptic upscaling and incorporation of calcium-permeable AMPA receptors (CP-AMPARs) in medium spiny neurons (MSNs) of nucleus accumbens (NAc). These findings align with the still evolving 'reward deficiency' hypothesis of drug abuse. The present study tested whether a compound natural reward that is known to increase DA utilization, environmental enrichment, would prevent the persistent expression of cocaine conditioned place preference (CPP) otherwise observed in food restricted rats, along with the mechanistic underpinnings. Because nearly all prior investigations of both food restriction and environmental enrichment effects on cocaine CPP were conducted in male rodents, both sexes were included in the present study. Results indicate that environmental enrichment curtailed the persistence of CPP expression, decreased signaling downstream of the D1R, and decreased the amplitude and frequency of spontaneous excitatory postsynaptic currents (EPSCs) in NAc MSNs of food restricted male, but not female, rats. The failure of environmental enrichment to significantly decrease food restriction-induced synaptic insertion of CP-AMPARs, and how this may accord with previous pharmacological findings that blockade of CP-AMPARs reverses behavioral effects of food restriction is discussed. In addition, it is speculated that estrous cycle-dependent fluctuations in DA release, receptor density and MSN excitability may obscure the effect of increased DA signaling during environmental enrichment, thereby interfering with development of the cellular and behavioral effects that enrichment produced in males.
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Affiliation(s)
- Sydney P. Weiner
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Carolina Vasquez
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Diabetes Research Program, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Soomin Song
- Department of Pathology, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Kaiyang Zhao
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Omar Ali
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Danielle Rosenkilde
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Robert C. Froemke
- Skirball Institute of Biomolecular Medicine, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Department of Otolaryngology, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Department of Neuroscience and Physiology, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Neuroscience Institute, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
| | - Kenneth D. Carr
- Department of Psychiatry, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
- Neuroscience Institute, New York University Grossman School of Medicine, 435 East 30th Street, New York, NY 10016, United States
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Kokane SS, Butler BD, Antonio JH, Armant RJ, Hoch AC, Coelho CS, Brady BN, Chamseddine HH, Perrotti LI. Interactions between estradiol and ERK, but not mTOR, signaling is necessary for enhanced cocaine-induced conditioned place preference in female rats. Pharmacol Biochem Behav 2023; 232:173653. [PMID: 37804867 DOI: 10.1016/j.pbb.2023.173653] [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: 07/17/2023] [Revised: 09/12/2023] [Accepted: 10/03/2023] [Indexed: 10/09/2023]
Abstract
Women rapidly progress from recreational cocaine use to dependence, consume greater quantities of cocaine, experience more positive subjective effects of cocaine and have higher incidences of relapse during abstinence. These effects have been replicated in animal models of cocaine addiction and indicate an enhanced sensitivity and therefore, vulnerability of females to cocaine addiction. Furthermore, it has been demonstrated that estradiol (E2) is a key mediator of the aforementioned effects of cocaine in women and female animals. However, studies identifying the influence of E2 on cocaine-associated reward and its underlying neurobiological mechanisms are lacking. Here, we further explored the influence of E2 on cocaine conditioned place preference in female rats. We show that E2 mediates cocaine-conditioned reward by potentiating cocaine-context associations. In addition, the E2-mediated increases in cocaine-induced CPP are associated with increased activation of ERK1/2 and mTOR proteins in the nucleus accumbens, dorsal striatum, and ventral tegmental area. To assess the involvement of ERK1/2 and mTOR in E2-mediated enhanced cocaine-CPP, we inhibited ERK1/2 and/or mTOR activity during cocaine-conditioning and before CPP-test. Inhibition of ERK1/2 during conditioning blocked cocaine-CPP in females, inhibition mTOR was without effect, and inhibiting ERK1/2 and mTOR before CPP-test blocked cocaine-CPP. In conclusion, we have established that E2 enhances cocaine-conditioned reward by potentiating cocaine-context associations formed during conditioning. Additionally, activation of ERK1/2 during cocaine-conditioning is necessary for the potentiation of cocaine-conditioned reward by E2. SIGNIFICANCE STATEMENT: Studies characterizing the molecular substrates underlying the effects of E2 during the formation of cocaine-context associations are virtually unknown. In this study, we established the influence of E2 during the formation of cocaine-CPP and characterized the role of ERK1/2 and mTOR activity on this effect within significant nodes of the reward pathway. The elucidation of the role of E2 in cocaine-induced intracellular signaling fills a significant gap in our knowledge regarding the mechanisms by which E2 affects intracellular signaling pathways to indicate the motivational salience of a stimulus. These data are crucial to our understanding of how fluctuating hormone levels can render females increasing sensitive to the rewarding effects of cocaine.
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Affiliation(s)
- Saurabh S Kokane
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Brandon D Butler
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Josimar Hernandez Antonio
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Ross J Armant
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Adam C Hoch
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Clinton S Coelho
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Blake N Brady
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Houda H Chamseddine
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Linda I Perrotti
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX 76019, USA.
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Ellis MN, Wright MD, Dennis TS. Estradiol administration increases anxiety-like behavior following chronic escalating morphine administration in hormone-replaced ovariectomized female rats. Pharmacol Biochem Behav 2023:173582. [PMID: 37302663 DOI: 10.1016/j.pbb.2023.173582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/22/2023] [Accepted: 06/05/2023] [Indexed: 06/13/2023]
Abstract
Withdrawal from opioids can induce a state of anxiety and irritability. This negative state can facilitate continued drug taking, as the administration of opioids can alleviate unpleasant symptoms associated with acute and protracted withdrawal. It is, therefore, of interest to investigate factors that can contribute to the severity of anxiety during periods of abstinence. One such factor is the fluctuation of ovarian hormones. Evidence from a non-opioid drug indicates that estradiol increases, while progesterone decreases anxiety during withdrawal. However, no work has yet studied how ovarian hormones might influence the severity of anxiety during withdrawal from opioids. To explore this, we ovariectomized female rats and provided a four-day repeating cycle of ovarian hormone administration (Day 1: estradiol, Day 2: estradiol, Day 3: progesterone, Day 4: peanut oil). Male rats were given sham surgeries and administered peanut oil daily in lieu of hormone replacement. All rats received twice daily injections of morphine (or 0.9 % saline) for 10 days total at a dose that doubled every two days (2.5 mg/kg, 5 mg/kg, 10 m/kg, 20 mg/kg, 40 mg/kg). Rats underwent spontaneous withdrawal and were tested for anxiety-like behaviors 12 and 108 h after the last morphine treatment. At 12 h, morphine-withdrawn female rats treated with estradiol on the day of testing displayed significantly more anxiety-like behavior in light-dark box testing than female morphine-withdrawn and (marginally) male morphine-withdrawn rats receiving vehicle that day. Somatic withdrawal behaviors (wet dog shakes, head shakes, writhing) were also taken every 12 h through 108 h. We found no meaningful contribution of sex or hormone for these measures. This study is the first of its kind to provide evidence that ovarian hormones influence anxiety-like behavior during morphine withdrawal.
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Affiliation(s)
- Mackenzie N Ellis
- Program in Neuroscience, St. Mary's College of Maryland, St. Mary's City, MD, United States; Department of Psychology, St. Mary's College of Maryland, St. Mary's City, MD, United States
| | - Madeline D Wright
- Department of Psychology, St. Mary's College of Maryland, St. Mary's City, MD, United States
| | - Torry S Dennis
- Program in Neuroscience, St. Mary's College of Maryland, St. Mary's City, MD, United States; Department of Psychology, St. Mary's College of Maryland, St. Mary's City, MD, United States.
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Swart JM, Grattan DR, Ladyman SR, Brown RSE. Pups and prolactin are rewarding to virgin female and pregnant mice. J Neuroendocrinol 2022:e13232. [PMID: 36691950 DOI: 10.1111/jne.13232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 12/28/2022]
Abstract
Maternal interactions with offspring are highly rewarding, which reinforces expression of essential caregiving behaviours that promote offspring survival. In rats, the rewarding effect of pups depends on reproductive state, with lactating females specifically developing strong preferences for pup-associated contexts. Whether this also occurs in mice is unknown, hence we aimed to characterise pup-related preference across reproductive states in female mice. In a conditioned place preference (CPP) test, pups were a rewarding stimulus to female mice prior to lactation, with virgin and pregnant females developing a preference for a pup-associated context. We have previously shown that lactogenic hormones, acting through the prolactin receptor (Prlr), play an important role in maternal motivation. Here, we aimed to investigate whether Prlr action is important for pup-related reward behaviour in mice. We showed that prolactin itself had a reinforcing effect in a CPP test, and that exposure to pups increased blood prolactin levels in virgin female mice. Prlr expression in CamKIIα-expressing neurons and GABAergic neurons has previously been shown to be important for different aspects of parental behaviour. However, we found that conditional Prlr deletion from either of these neuronal populations did not disrupt the development of a preference for pup-associated contexts in pregnant female mice, indicating that lactogenic action on these populations is not necessary for the rewarding effect of pups. Together, these data show that while lactogenic hormones likely contribute to a rewarding effect of pups, their action on two key neuronal populations is not necessary for this effect in female mice.
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Affiliation(s)
- Judith M Swart
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - David R Grattan
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Sharon R Ladyman
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Rosemary S E Brown
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
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Dos Anjos Rosário B, de Fátima SantanaNazaré M, de Souza DV, Le Sueur-Maluf L, Estadella D, Ribeiro DA, de Barros Viana M. The influence of sex and reproductive cycle on cocaine-induced behavioral and neurobiological alterations: a review. Exp Brain Res 2022; 240:3107-3140. [PMID: 36264315 DOI: 10.1007/s00221-022-06479-4] [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: 01/13/2022] [Accepted: 10/01/2022] [Indexed: 11/28/2022]
Abstract
This systematic review (SR) was aimed at answering two questions: (1) how sex and ovarian hormones alter behavior associated with cocaine use; (2) which possible neurobiological mechanisms explain behavioral differences. Three different researchers conducted a search in PUBMED for all kinds of articles published between the years of 1991 to 2021 on the theme "reproductive cycle and cocaine", "estrous cycle and cocaine", "menstrual cycle and cocaine", "fluctuation of ovarian hormones and cocaine", "estrogen and cocaine" and "progesterone and cocaine". Sixty original studies were identified and subdivided into experimental rodent studies and clinical trials. Experimental studies were characterized by author/year, species/strain, sex/number, age/weight, dose/route/time of administration, hormonal assessment, or administration. Clinical trials were characterized by author/year, sex/number, age, exclusion criterion, dose/route of administration/time of cocaine, and hormonal assessment. Results gathered showed that rodent females develop increased consumption, seeking behavior, craving, relapse, locomotion, increases in stress and anxiety, among other behavioral alterations during peaks of estrogen. These observations are related to the direct effects played by ovarian hormones (in particularly estradiol), in dopamine, but also in serotonin neurons, and in brain regions such as the tegmental area, the nucleus accumbens, the hypothalamus, the amygdala and the prefrontal cortex. Increased sensitization to cocaine presented by high estradiol females was linked to the activation of a CBR1-mediated mechanism and GABA-A-dependent suppression of inhibitory synaptic activity of the prelimbic prefrontal cortex. Estradiol facilitation of cocaine-increased locomotion and self-administration was shown to require the release of glutamate and the activation of metabotropic glutamate receptors subtype 5. Clinical studies also tend to point to a stimulatory effect of estradiol on cocaine sensitization and a neuroprotective effect of progesterone. In conclusion, the results of the present review indicate a need for further preclinical and clinical trials and neurobiological studies to better understand the relationship between sex and ovarian hormones on cocaine sensitization.
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Affiliation(s)
| | | | - Daniel Vitor de Souza
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, São Paulo, Brazil
| | - Luciana Le Sueur-Maluf
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, São Paulo, Brazil
| | - Débora Estadella
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, São Paulo, Brazil
| | - Daniel Araki Ribeiro
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, São Paulo, Brazil
| | - Milena de Barros Viana
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, São Paulo, Brazil.
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6
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Harraz MM, Malla AP, Semenza ER, Shishikura M, Singh M, Hwang Y, Kang IG, Song YJ, Snowman AM, Cortés P, Karuppagounder SS, Dawson TM, Dawson VL, Snyder SH. A high-affinity cocaine binding site associated with the brain acid soluble protein 1. Proc Natl Acad Sci U S A 2022; 119:e2200545119. [PMID: 35412917 PMCID: PMC9169839 DOI: 10.1073/pnas.2200545119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/01/2022] [Indexed: 12/25/2022] Open
Abstract
Cocaine exerts its stimulant effect by inhibiting dopamine (DA) reuptake, leading to increased dopamine signaling. This action is thought to reflect the binding of cocaine to the dopamine transporter (DAT) to inhibit its function. However, cocaine is a relatively weak inhibitor of DAT, and many DAT inhibitors do not share cocaine’s behavioral actions. Further, recent reports show more potent actions of the drug, implying the existence of a high-affinity receptor for cocaine. We now report high-affinity binding of cocaine associated with the brain acid soluble protein 1 (BASP1) with a dissociation constant (Kd) of 7 nM. Knocking down BASP1 in the striatum inhibits [3H]cocaine binding to striatal synaptosomes. Depleting BASP1 in the nucleus accumbens but not the dorsal striatum diminishes locomotor stimulation in mice. Our findings imply that BASP1 is a pharmacologically relevant receptor for cocaine.
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Affiliation(s)
- Maged M. Harraz
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Adarsha P. Malla
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Evan R. Semenza
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Maria Shishikura
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Manisha Singh
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Yun Hwang
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - In Guk Kang
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Young Jun Song
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Adele M. Snowman
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Pedro Cortés
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Senthilkumar S. Karuppagounder
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Ted M. Dawson
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Valina L. Dawson
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Solomon H. Snyder
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205
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7
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Peart DR, Andrade AK, Logan CN, Knackstedt LA, Murray JE. Regulation of Cocaine-related Behaviors by Estrogen and Progesterone. Neurosci Biobehav Rev 2022; 135:104584. [DOI: 10.1016/j.neubiorev.2022.104584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/30/2022] [Accepted: 02/12/2022] [Indexed: 10/19/2022]
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8
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Arunogiri S, Crossin R, Rizzo D, Walker L, Ridley K, Gurvich C. A systematic review of the effect of ovarian sex hormones on stimulant use in females. Addict Biol 2021; 26:e13079. [PMID: 34374475 DOI: 10.1111/adb.13079] [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: 05/03/2021] [Revised: 06/23/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022]
Abstract
Stimulant use disorder is associated with significant global health burden. Despite evidence for sex differences in the development and maintenance of stimulant use disorder, few studies have focused on mechanisms underpinning distinct trajectories in females versus males, including the effect of the ovarian sex hormones estrogen and progesterone. This review aimed to identify and synthesise the existing preclinical and clinical literature on the effect of ovarian sex hormones on stimulant consumption in females. A systematic search of peer-reviewed literature identified 1593 articles, screened using the following inclusion criteria: (1) adult female humans or animals, (2) using stimulant drugs, (3) ovarian sex hormones were administered exogenously OR were measured in a validated manner and (4) with stimulant consumption as an outcome measure. A total of 50 studies (3 clinical and 47 preclinical) met inclusion criteria. High-estrogen (low progesterone) phases of the menstrual/estrus cycle were associated with increased stimulant use in preclinical studies, while there were no clinical studies examining estrogen and stimulant consumption. Consistent preclinical evidence supported progesterone use reducing stimulant consumption, which was also identified in one clinical study. The review was limited by inconsistent data reporting across studies and different protocols across preclinical laboratory paradigms. Importantly, almost all studies examined cocaine use, with impact on methamphetamine use a significant gap in the existing evidence. Given the safety and tolerability profile of progesterone, further research is urgently needed to address this gap, to explore the potential therapeutic utility of progesterone as a treatment for stimulant use disorder.
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Affiliation(s)
- Shalini Arunogiri
- Monash Addiction Research Centre and Eastern Health Clinical School, Faculty of Medicine, Nursing and Health Sciences Monash University Richmond Victoria Australia
- Monash Alfred Psychiatry Research Centre, Central Clinical School, Faculty of Medicine, Nursing and Health Sciences Monash University and the Alfred Hospital Melbourne Victoria Australia
- Turning Point, Eastern Health Richmond Victoria Australia
| | - Rose Crossin
- Department of Population Health University of Otago Christchurch New Zealand
- Florey Institute of Neuroscience and Mental Health University of Melbourne Parkville Victoria Australia
| | - Davinia Rizzo
- Monash Addiction Research Centre and Eastern Health Clinical School, Faculty of Medicine, Nursing and Health Sciences Monash University Richmond Victoria Australia
- Turning Point, Eastern Health Richmond Victoria Australia
| | - Leigh Walker
- Florey Institute of Neuroscience and Mental Health University of Melbourne Parkville Victoria Australia
| | - Kelly Ridley
- West Australian Country Health Service Albany Western Australia Australia
| | - Caroline Gurvich
- Monash Alfred Psychiatry Research Centre, Central Clinical School, Faculty of Medicine, Nursing and Health Sciences Monash University and the Alfred Hospital Melbourne Victoria Australia
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Knouse MC, Briand LA. Behavioral sex differences in cocaine and opioid use disorders: The role of gonadal hormones. Neurosci Biobehav Rev 2021; 128:358-366. [PMID: 34214512 DOI: 10.1016/j.neubiorev.2021.06.038] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/20/2021] [Accepted: 06/27/2021] [Indexed: 11/20/2022]
Abstract
Females are more vulnerable than males to many aspects of cocaine use disorder. This vulnerability also translates to opioid use disorder, with females exhibiting stronger behavioral responses than males to drugs such as heroin and morphine. While there is evidence for many overlapping neural mechanisms underlying cocaine and opioid abuse, there is also a breadth of evidence indicating divergent effects of the drugs on synaptic plasticity. This makes it unclear whether the behavioral sex differences seen in substance use disorder across different drugs of abuse rely on the same mechanisms. Ovarian hormones have consistently been implicated as drivers of the behavioral sex differences in cocaine taking and seeking. While there are far fewer studies on the role of ovarian hormones in opioid use disorder, the existing data suggest that ovarian hormones may not drive these behavioral effects in the same manner as in cocaine use disorder. This review highlights evidence that behavioral sex differences in substance use disorder might be driven by different mechanisms depending on drug class.
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Affiliation(s)
| | - Lisa A Briand
- Department of Psychology, Temple University, United States; Neuroscience Program, Temple University, United States.
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10
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Chang H, Gao C, Sun K, Xiao L, Li X, Jiang S, Zhu C, Sun T, Jin Z, Wang F. Continuous High Frequency Deep Brain Stimulation of the Rat Anterior Insula Attenuates the Relapse Post Withdrawal and Strengthens the Extinction of Morphine Seeking. Front Psychiatry 2020; 11:577155. [PMID: 33173522 PMCID: PMC7591677 DOI: 10.3389/fpsyt.2020.577155] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 09/15/2020] [Indexed: 11/13/2022] Open
Abstract
Deep brain stimulation (DBS) modulates the neuronal activity in specific brain circuits and has been recently considered as a promising intervention for refractory addiction. The insula cortex is the hub of interoception and is known to be involved in different aspects of substance use disorder. In the present study, we investigate the effects of continuous high frequency DBS in the anterior insula (AI) on drug-seeking behaviors and examined the molecular mechanisms of DBS action in morphine-addicted rats. Sprague-Dawley rats were trained to the morphine-conditioned place preference (CPP, day 1-8) followed by bilaterally implanted with DBS electrodes in the AI (Day 10) and recovery (Day 10-15). Continuous high-frequency (HF) -DBS (130 Hz, 150 μA, 90 μs) was applied during withdrawal (Day 16-30) or extinction sessions. CPP tests were conducted on days 16, 30, 40 during withdrawal session and several rats were used for proteomic analysis on day 30. Following the complete extinction, morphine-CPP was reinstated by a priming dose of morphine infusion (2 mg/kg). The open field and novel objective recognition tests were also performed to evaluate the DBS side effect on the locomotion and recognition memory. Continuous HF-DBS in the AI attenuated the expression of morphine-CPP post-withdrawal (Day 30), but morphine addictive behavior relapsed 10 days after the cessation of DBS (Day 40). Continuous HF-DBS reduced the period to full extinction of morphine-CPP and blocked morphine priming-induced recurrence of morphine addiction. HF-DBS in the AI had no obvious effect on the locomotor activity and novel objective recognition and did not cause anxiety-like behavior. In addition, our proteomic analysis identified eight morphine-regulated proteins in the AI and their expression levels were reversely changed by HF-DBS. Continuous HF-DBS in the bilateral anterior insula prevents the relapse of morphine place preference after withdrawal, facilitates its extinction, blocks the reinstatement induced by morphine priming and reverses the expression of morphine-regulated proteins. Our findings suggest that manipulation of insular activity by DBS could be a potential intervention to treat substance use disorder, although future research is warranted.
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Affiliation(s)
- Haigang Chang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Caibin Gao
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Kuisheng Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Lifei Xiao
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Xinxiao Li
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Shucai Jiang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Changliang Zhu
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Tao Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Zhe Jin
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Feng Wang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
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11
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Kokane SS, Perrotti LI. Sex Differences and the Role of Estradiol in Mesolimbic Reward Circuits and Vulnerability to Cocaine and Opiate Addiction. Front Behav Neurosci 2020; 14:74. [PMID: 32508605 PMCID: PMC7251038 DOI: 10.3389/fnbeh.2020.00074] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
Although both men and women become addicted to drugs of abuse, women transition to addiction faster, experience greater difficulties remaining abstinent, and relapse more often than men. In both humans and rodents, hormonal cycles are associated with females' faster progression to addiction. Higher concentrations and fluctuating levels of ovarian hormones in females modulate the mesolimbic reward system and influence reward-directed behavior. For example, in female rodents, estradiol (E2) influences dopamine activity within the mesolimbic reward system such that drug-directed behaviors that are normally rewarding and reinforcing become enhanced when circulating levels of E2 are high. Therefore, neuroendocrine interactions, in part, explain sex differences in behaviors motivated by drug reward. Here, we review sex differences in the physiology and function of the mesolimbic reward system in order to explore the notion that sex differences in response to drugs of abuse, specifically cocaine and opiates, are the result of molecular neuroadaptations that differentially develop depending upon the hormonal state of the animal. We also reconsider the notion that ovarian hormones, specifically estrogen/estradiol, sensitize target neurons thereby increasing responsivity when under the influence of either cocaine or opiates or in response to exposure to drug-associated cues. These adaptations may ultimately serve to guide the motivational behaviors that underlie the factors that cause women to be more vulnerable to cocaine and opiate addiction than men.
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Affiliation(s)
- Saurabh S Kokane
- Department of Psychology, University of Texas at Arlington, Arlington, TX, United States
| | - Linda I Perrotti
- Department of Psychology, University of Texas at Arlington, Arlington, TX, United States
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12
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Cofresí RU, Monfils MH, Chaudhri N, Gonzales RA, Lee HJ. Cue-alcohol associative learning in female rats. Alcohol 2019; 81:1-9. [PMID: 31002878 DOI: 10.1016/j.alcohol.2019.03.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/14/2019] [Accepted: 03/19/2019] [Indexed: 12/25/2022]
Abstract
The ability of environmental cues to trigger alcohol-seeking behaviors is believed to facilitate problematic alcohol use. We previously showed that the development of this cue-evoked alcohol approach reflects cue-alcohol learning and memory in the adult male rat; however, we do not know whether the same is true for similarly aged female rats. Consequently, adult Long-Evans female rats were allowed to drink unsweetened alcohol in the home cage (Monday, Wednesday, Friday; 24-h two-bottle choice; 5 weeks) and were subsequently split into two experimental groups: Paired and Unpaired. Groups were matched for ingested doses and alcohol bottle preference across the pre-conditioning home cage period. Both groups were trained in conditioning chambers using a Pavlovian procedure. For the Paired group, the chamber houselight was illuminated to signal access to an alcohol sipper. Houselight onset was yoked for the Unpaired group, but access to the alcohol sipper was scheduled to occur only during the intervening periods (in the absence of light). We found that in the Paired, but not Unpaired group, an alcohol approach reaction was conditioned to houselight illumination, and the level of cue-conditioned reactivity predicted drinking behavior within trials. Groups experienced equivalently low but non-negligible blood alcohol concentrations over the course of conditioning sessions. We conclude that cue-triggered alcohol-seeking behavior in adult female rats reflects associative learning about the relationship between alcohol availability and houselight illumination.
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13
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Yousuf H, Smies CW, Hafenbreidel M, Tuscher JJ, Fortress AM, Frick KM, Mueller D. Infralimbic Estradiol Enhances Neuronal Excitability and Facilitates Extinction of Cocaine Seeking in Female Rats via a BDNF/TrkB Mechanism. Front Behav Neurosci 2019; 13:168. [PMID: 31417375 PMCID: PMC6684748 DOI: 10.3389/fnbeh.2019.00168] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/11/2019] [Indexed: 11/13/2022] Open
Abstract
Women are more susceptible to developing cocaine dependence than men, but paradoxically, are more responsive to treatment. The potent estrogen, 17β-estradiol (E2), mediates these effects by augmenting cocaine seeking but also promoting extinction of cocaine seeking through E2's memory-enhancing functions. Although we have previously shown that E2 facilitates extinction, the neuroanatomical locus of action and underlying mechanisms are unknown. Here we demonstrate that E2 infused directly into the infralimbic-medial prefrontal cortex (IL-mPFC), a region critical for extinction consolidation, enhances extinction of cocaine seeking in ovariectomized (OVX) female rats. Using patch-clamp electrophysiology, we show that E2 may facilitate extinction by potentiating intrinsic excitability of IL-mPFC neurons. Because the mnemonic effects of E2 are known to be regulated by brain-derived neurotrophic factor (BDNF) and its receptor, tropomyosin-related kinase B (TrkB), we examined whether BDNF/TrkB signaling was necessary for E2-induced enhancement of excitability and extinction. We found that E2-mediated increases in excitability of IL-mPFC neurons were abolished by Trk receptor blockade. Moreover, blockade of TrkB signaling impaired E2-facilitated extinction of cocaine seeking in OVX female rats. Thus, E2 enhances IL-mPFC neuronal excitability in a TrkB-dependent manner to support extinction of cocaine seeking. Our findings suggest that pharmacological enhancement of E2 or BDNF/TrkB signaling during extinction-based therapies would improve therapeutic outcome in cocaine-addicted women.
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Affiliation(s)
- Hanna Yousuf
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Chad W Smies
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Madalyn Hafenbreidel
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Jennifer J Tuscher
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Ashley M Fortress
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Karyn M Frick
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
| | - Devin Mueller
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States.,Department of Biological Sciences, Kent State University, Kent, OH, United States
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14
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Bobzean SAM, Kokane SS, Butler BD, Perrotti LI. Sex differences in the expression of morphine withdrawal symptoms and associated activity in the tail of the ventral tegmental area. Neurosci Lett 2019; 705:124-130. [PMID: 31042569 PMCID: PMC6662583 DOI: 10.1016/j.neulet.2019.04.057] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/17/2019] [Accepted: 04/26/2019] [Indexed: 01/18/2023]
Abstract
Recent studies, in male rodents, have begun to elucidate a role for the GABAergic neurons in the tail of the ventral tegmental area (tVTA) in morphine withdrawal. To date, the mechanisms underlying morphine withdrawal have been studied almost exclusively in male animals. As a result, there is a considerable gap in our current understanding of the processes underlying sex differences in morphine withdrawal behaviors and its effects on cellular activity in the tVTA in females. The purpose of the present study was to investigate the influence of sex on the expression and duration of spontaneous somatic morphine withdrawal syndrome, and to characterize the relationship between spontaneous somatic withdrawal symptoms and cellular activation (measured as phosphorylated CREB; pCREB), in the GABAergic tVTA in male and female rats. Morphine-dependent adult male and female Long Evans rats underwent 72 h of spontaneous withdrawal, and somatic withdrawal symptoms were assessed every 12 h. Male morphine-dependent rats expressed more severe symptoms during the early phases of withdrawal compared to females. Although, females demonstrated lower overall symptom severity, their symptoms persisted for a longer period of time, thus demonstrating higher withdrawal-symptom severity than males during late withdrawal. pCREB activity in the tVTA was elevated in morphine-withdrawn rats and was positively correlated with the severity of withdrawal symptoms. These results demonstrate sex differences in the timing of the expression of somatic withdrawal. Our data add to the growing body of evidence demonstrating a role for the tVTA in morphine withdrawal and begin to establish a sex-dependent behavioral and molecular profile within this brain region.
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Affiliation(s)
- Samara A M Bobzean
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX, 76019, USA
| | - Saurabh S Kokane
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX, 76019, USA
| | - Brandon D Butler
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX, 76019, USA
| | - Linda I Perrotti
- Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, TX, 76019, USA.
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15
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Vandegrift BJ, You C, Satta R, Brodie MS, Lasek AW. Estradiol increases the sensitivity of ventral tegmental area dopamine neurons to dopamine and ethanol. PLoS One 2017; 12:e0187698. [PMID: 29107956 PMCID: PMC5673180 DOI: 10.1371/journal.pone.0187698] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 10/24/2017] [Indexed: 12/19/2022] Open
Abstract
Gender differences in psychiatric disorders such as addiction may be modulated by the steroid hormone estrogen. For instance, 17β-estradiol (E2), the predominant form of circulating estrogen in pre-menopausal females, increases ethanol consumption, suggesting that E2 may affect the rewarding properties of ethanol and thus the development of alcohol use disorder in females. The ventral tegmental area (VTA) is critically involved in the rewarding and reinforcing effects of ethanol. In order to determine the role of E2 in VTA physiology, gonadally intact female mice were sacrificed during diestrus II (high E2) or estrus (low E2) for electrophysiology recordings. We measured the excitation by ethanol and inhibition by dopamine (DA) of VTA DA neurons and found that both excitation by ethanol and inhibition by dopamine were greater in diestrus II compared with estrus. Treatment of VTA slices from mice in diestrus II with an estrogen receptor antagonist (ICI 182,780) reduced ethanol-stimulated neuronal firing, but had no effect on ethanol-stimulated firing of neurons in slices from mice in estrus. Surprisingly, ICI 182,780 did not affect the inhibition by DA, indicating different mechanisms of action of estrogen receptors in altering ethanol and DA responses. We also examined the responses of VTA DA neurons to ethanol and DA in ovariectomized mice treated with E2 and found that E2 treatment enhanced the responses to ethanol and DA in a manner similar to what we observed in mice in diestrus II. Our data indicate that E2 modulates VTA neuron physiology, which may contribute to both the enhanced reinforcing and rewarding effects of alcohol and the development of other psychiatric disorders in females that involve alterations in DA neurotransmission.
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Affiliation(s)
- Bertha J. Vandegrift
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Chang You
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Rosalba Satta
- Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Mark S. Brodie
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Amy W. Lasek
- Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, United States of America
- * E-mail:
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16
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Fang QQ, Wang JL, Tai FD. Effects of cocaine on aggression and associated central ERα and oxytocin expression in ovariectomized and intact mandarin voles. THE EUROPEAN ZOOLOGICAL JOURNAL 2017. [DOI: 10.1080/11250003.2017.1281354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Q. Q. Fang
- College of Life Sciences, Shaanxi Normal University, Xi’an, China
- College of Biological Sciences and Engineering, Beifang University of Nationalities, Yinchuan, China
| | - J. L. Wang
- College of Biological Sciences and Engineering, Beifang University of Nationalities, Yinchuan, China
| | - F. D. Tai
- College of Life Sciences, Shaanxi Normal University, Xi’an, China
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17
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Lukkes JL, Freund N, Thompson BS, Meda S, Andersen SL. Preventative treatment in an animal model of ADHD: Behavioral and biochemical effects of methylphenidate and its interactions with ovarian hormones in female rats. Eur Neuropsychopharmacol 2016; 26:1496-1506. [PMID: 27397110 PMCID: PMC5204118 DOI: 10.1016/j.euroneuro.2016.06.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 06/06/2016] [Accepted: 06/10/2016] [Indexed: 12/26/2022]
Abstract
Clinical and preclinical studies on attention deficit hyperactivity disorder (ADHD) show that juvenile males that are exposed to methylphenidate (MPH) show reduced risk for substance use later in life. In contrast, little is known about whether females have the same enduring treatment response to stimulants and how gonadal hormones influence their behavior later in life. Females received either a sham or 6-hydroxydopamine (6-OHDA) microinjection in the prefrontal cortex (PFC) at postnatal day (P)10. Subjects were then treated with Vehicle or MPH (2mg/kg, p.o.) between P20-35 and tested during late adolescence/young adulthood (P60); half of these subjects underwent ovariectomy at P55 to determine hormonal influences. Females with 6-OHDA were depleted of PFC dopamine by 61% and demonstrated increased impulsive choice (delayed discounting) and preferences for cocaine-associated environments relative to control females. Both MPH and ovariectomy reduced impulsive choice and cocaine preferences in 6-OHDA females, but had no enduring effect in Sham females. Ovariectomy itself did not significantly affect impulsivity. Juvenile MPH interacted strongly with 6-OHDA to increase D4, D5, Alpha-1A, Alpha-2A, and 5-HT-1A mRNA receptor expression in the PFC. MPH alone effected D1 mRNA, while 6-OHDA increased BDNF; all markers were decreased by ovariectomy. Together, these data suggest that 6-OHDA changes in dopamine are not only relevant for ADHD-like behaviors, but their long-term modulation by treatment and the influence of cyclical differences in menstrual cycle.
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Affiliation(s)
- Jodi L Lukkes
- Laboratory for Developmental Neuropharmacology, McLean Hospital, USA; Harvard Medical School, USA
| | - Nadja Freund
- Laboratory for Developmental Neuropharmacology, McLean Hospital, USA; Department of Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany
| | - Britta S Thompson
- Laboratory for Developmental Neuropharmacology, McLean Hospital, USA
| | - Shirisha Meda
- Laboratory for Developmental Neuropharmacology, McLean Hospital, USA
| | - Susan L Andersen
- Laboratory for Developmental Neuropharmacology, McLean Hospital, USA; Harvard Medical School, USA.
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18
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Deb P, Bhan A, Hussain I, Ansari KI, Bobzean SA, Pandita TK, Perrotti LI, Mandal SS. Endocrine disrupting chemical, bisphenol-A, induces breast cancer associated gene HOXB9 expression in vitro and in vivo. Gene 2016; 590:234-43. [PMID: 27182052 DOI: 10.1016/j.gene.2016.05.009] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/16/2016] [Accepted: 05/08/2016] [Indexed: 12/21/2022]
Abstract
HOXB9 is a homeobox-containing gene that plays a key role in mammary gland development and is associated with breast and other types of cancer. Here, we demonstrate that HOXB9 expression is transcriptionally regulated by estradiol (E2), in vitro and in vivo. We also demonstrate that the endocrine disrupting chemical bisphenol-A (BPA) induces HOXB9 expression in cultured human breast cancer cells (MCF7) as well as in vivo in the mammary glands of ovariectomized (OVX) rats. Luciferase assay showed that estrogen-response-elements (EREs) in the HOXB9 promoter are required for BPA-induced expression. Estrogen-receptors (ERs) and ER-co-regulators such as MLL-histone methylase (MLL3), histone acetylases, CBP/P300, bind to the HOXB9 promoter EREs in the presence of BPA, modify chromatin (histone methylation and acetylation) and lead to gene activation. In summary, our results demonstrate that BPA exposure, like estradiol, increases HOXB9 expression in breast cells both in vitro and in vivo through a mechanism that involves increased recruitment of transcription and chromatin modification factors.
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Affiliation(s)
- Paromita Deb
- Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Arunoday Bhan
- Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Imran Hussain
- Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Khairul I Ansari
- Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Samara A Bobzean
- Department of Psychology, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Tej K Pandita
- Department of Radiation Oncology, The Houston Methodist Research Institute, Houston, TX 77030, United States
| | - Linda I Perrotti
- Department of Psychology, The University of Texas at Arlington, Arlington, TX 76019, United States
| | - Subhrangsu S Mandal
- Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX 76019, United States.
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19
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Zuloaga DG, Jacobskind JS, Jacosbskind JS, Raber J. Methamphetamine and the hypothalamic-pituitary-adrenal axis. Front Neurosci 2015; 9:178. [PMID: 26074755 PMCID: PMC4444766 DOI: 10.3389/fnins.2015.00178] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 05/03/2015] [Indexed: 01/22/2023] Open
Abstract
Psychostimulants such as methamphetamine (MA) induce significant alterations in the function of the hypothalamic-pituitary-adrenal (HPA) axis. These changes in HPA axis function are associated with altered stress-related behaviors and might contribute to addictive processes such as relapse. In this mini-review we discuss acute and chronic effects of MA (adult and developmental exposure) on the HPA axis, including effects on HPA axis associated genes/proteins, brain regions, and behaviors such as anxiety and depression. A better understanding of the mechanisms through which MA affects the HPA axis may lead to more effective treatment strategies for MA addiction.
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Affiliation(s)
| | | | | | - Jacob Raber
- Departments of Behavioral Neuroscience, Neurology, and Radiation Medicine, Oregon Health and Science University Portland Portland, OR, USA ; Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University Portland Portland, OR, USA
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20
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Bisphenol-A induces expression of HOXC6, an estrogen-regulated homeobox-containing gene associated with breast cancer. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2015; 1849:697-708. [PMID: 25725483 DOI: 10.1016/j.bbagrm.2015.02.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 02/13/2015] [Accepted: 02/17/2015] [Indexed: 12/31/2022]
Abstract
HOXC6 is a homeobox-containing gene associated with mammary gland development and is overexpressed in variety of cancers including breast and prostate cancers. Here, we have examined the expression of HOXC6 in breast cancer tissue, investigated its transcriptional regulation via estradiol (E2) and bisphenol-A (BPA, an estrogenic endocrine disruptor) in vitro and in vivo. We observed that HOXC6 is differentially over-expressed in breast cancer tissue. E2 induces HOXC6 expression in cultured breast cancer cells and in mammary glands of Sprague Dawley rats. HOXC6 expression is also induced upon exposure to BPA both in vitro and in vivo. Estrogen-receptor-alpha (ERα) and ER-coregulators such as MLL-histone methylases are bound to the HOXC6 promoter upon exposure to E2 or BPA and that resulted in increased histone H3K4-trimethylation, histone acetylation, and recruitment of RNA polymerase II at the HOXC6 promoter. HOXC6 overexpression induces expression of tumor growth factors and facilitates growth 3D-colony formation, indicating its potential roles in tumor growth. Our studies demonstrate that HOXC6, which is a critical player in mammary gland development, is upregulated in multiple cases of breast cancer, and is transcriptionally regulated by E2 and BPA, in vitro and in vivo.
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