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Petersen N, Adank DN, Quan Y, Edwards CM, Taylor A, Winder DG, Doyle MA. A novel mouse home cage lickometer system reveals sex- and housing-based influences on alcohol drinking. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.22.595186. [PMID: 38826244 PMCID: PMC11142211 DOI: 10.1101/2024.05.22.595186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Alcohol use disorder (AUD) is a significant global health issue. Despite historically higher rates among men, AUD prevalence and negative alcohol-related outcomes in women are rising. Loneliness in humans has been associated with increased alcohol use, and traditional rodent drinking models involve single housing, presenting challenges for studying social enrichment. We developed LIQ PARTI (Lick Instance Quantifier with Poly-Animal RFID Tracking Integration), an open-source tool to examine home cage continuous access two-bottle choice drinking behavior in a group-housed setting, investigating the influence of sex and social isolation on ethanol consumption and bout microstructure in C57Bl/6J mice. LIQ PARTI, based on our previously developed single-housed LIQ HD system, accurately tracks drinking behavior using capacitive-based sensors and RFID technology. Group-housed female mice exhibited higher ethanol preference than males, while males displayed a unique undulating pattern of ethanol preference linked to cage changes, suggesting a potential stress-related response. Chronic ethanol intake distinctly altered bout microstructure between male and female mice, highlighting sex and social environmental influences on drinking behavior. Social isolation with the LIQ HD system amplified fluid intake and ethanol preference in both sexes, accompanied by sex- and fluid-dependent changes in bout microstructure. However, these effects largely reversed upon resocialization, indicating the plasticity of these behaviors in response to social context. Utilizing a novel group-housed home cage lickometer device, our findings illustrate the critical interplay of sex and housing conditions in voluntary alcohol drinking behaviors in C57Bl/6J mice, facilitating nuanced insights into the potential contributions to AUD etiology.
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Affiliation(s)
- Nicholas Petersen
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
| | - Danielle N. Adank
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Neurobiology, UMass Chan Medical School, Worcester, MA, 01655
| | - Yizhen Quan
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
| | - Caitlyn M. Edwards
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Neurobiology, UMass Chan Medical School, Worcester, MA, 01655
| | - Anne Taylor
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
| | - Danny G. Winder
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Neurobiology, UMass Chan Medical School, Worcester, MA, 01655
| | - Marie A. Doyle
- Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, 37232
- Department of Neurobiology, UMass Chan Medical School, Worcester, MA, 01655
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Cortés-Patiño DM, Neira VM, Ballesteros-Acosta H, Bustos-Rangel A, Lamprea MR. Interaction of Nicotine and Social reward in group-reared male adolescent rats. Behav Brain Res 2023; 447:114432. [PMID: 37054992 DOI: 10.1016/j.bbr.2023.114432] [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: 12/20/2022] [Revised: 04/03/2023] [Accepted: 04/07/2023] [Indexed: 04/15/2023]
Abstract
Adolescents exhibit great sensitivity to nicotine and social interaction; accordingly, when both stimuli are presented together, they interact to enhance the incentive value of the context in which they occur. Noteworthy, most studies assessing the interaction between nicotine and social reward have used isolated-reared rats. Adolescent isolation is an adverse condition that impacts brain development and behavior, so it is not known if the interaction also occurs in rats without social deprivation. The present study used a conditioned place preference model (CPP) to examine the interaction between nicotine and social reward in group-reared male adolescent rats. At weaning, Wistar rats were randomly assigned to four groups: vehicle, vehicle and a social partner, nicotine (0.1mg/Kg s.c.), and nicotine and a social partner. Conditioning trials occurred on eight consecutive days followed by a test session in which the preference change was assessed. Besides the establishment of CPP, we examined the effects of nicotine on (1) social behaviors during CPP trials and (2) tyrosine hydroxylase (TH) and oxytocin (OT) as markers of changes in the neuronal mechanisms for reward and social affiliation. Similar to previous results, the joint presentation of nicotine and social reward induced CPP, whereas either nicotine or social interaction presented alone did not. This finding coincided with an increase in TH levels observed after nicotine administration only in socially conditioned rats. The interaction between nicotine and social reward is not related to the effects of nicotine on social investigation or social play.
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Cortés-Patiño DM, Ballesteros-Acosta H, Neira VM, Contreras DRP, Lamprea MR. Post-weaning social isolation increases the incentive value of nicotine-related contexts and decreases the accumulation of ΔFosB in nucleus accumbens in adolescent rats. Pharmacol Biochem Behav 2023; 223:173529. [PMID: 36805863 DOI: 10.1016/j.pbb.2023.173529] [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: 05/29/2022] [Revised: 01/26/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Adolescent social conditions profoundly affect vulnerability to drug abuse. Preclinical studies have shown that preventing social interactions during adolescence increases the rewarding effects of drugs like alcohol, cocaine, or amphetamines, however, little data exist regarding the impact of social isolation on nicotine effects. The current study evaluated the effects of differential rearing conditions during adolescence (isolation or group rearing) on (1) conditioned place preference induced by low nicotine doses (0.1 or 0.3 mg/kg) and (2) sensitization to the locomotor effects of nicotine after sub-chronic administration (3) and accumulation of ΔFosB in nucleus accumbens (NAc). Results showed that nicotine induced place preference in isolated and grouped rats, but the effect was more persistent for the rats reared in isolation. Isolated reared rats also exhibited lower levels of ΔFosB accumulation in NAc. No differences were found in the behavioral sensitization to nicotine effects between rearing conditions. The results suggest that isolation engenders a more robust incentive value of nicotine-related contexts. This effect could be related to the basal expression of ΔFosB: lower levels of this transcription factor seem to impair the motivation of isolated reared rats and increase their vulnerability to the effects of drugs like nicotine.
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The effects of social isolation stress and discrimination on mental health. Transl Psychiatry 2022; 12:398. [PMID: 36130935 PMCID: PMC9490697 DOI: 10.1038/s41398-022-02178-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/17/2022] Open
Abstract
Social isolation and discrimination are growing public health concerns associated with poor physical and mental health. They are risk factors for increased morbidity and mortality and reduced quality of life. Despite their detrimental effects on health, there is a lack of knowledge regarding translation across the domains of experimental research, clinical studies, and real-life applications. Here, we review and synthesize evidence from basic research in animals and humans to clinical translation and interventions. Animal models indicate that social separation stress, particularly in early life, activates the hypothalamic-pituitary-adrenal axis and interacts with monoaminergic, glutamatergic, and GABAergic neurotransmitter systems, inducing long-lasting reductions in serotonin turnover and alterations in dopamine receptor sensitivity. These findings are of particular importance for human social isolation stress, as effects of social isolation stress on the same neurotransmitter systems have been implicated in addictive, psychotic, and affective disorders. Children may be particularly vulnerable due to lasting effects of social isolation and discrimination stress on the developing brain. The effects of social isolation and loneliness are pronounced in the context of social exclusion due to discrimination and racism, during widespread infectious disease related containment strategies such as quarantine, and in older persons due to sociodemographic changes. This highlights the importance of new strategies for social inclusion and outreach, including gender, culture, and socially sensitive telemedicine and digital interventions for mental health care.
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Singh A, Xie Y, Davis A, Wang ZJ. Early social isolation stress increases addiction vulnerability to heroin and alters c-Fos expression in the mesocorticolimbic system. Psychopharmacology (Berl) 2022; 239:1081-1095. [PMID: 34997861 DOI: 10.1007/s00213-021-06024-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 11/04/2021] [Indexed: 01/02/2023]
Abstract
RATIONALE Adverse psychosocial factors during early childhood or adolescence compromise neural structure and brain function, inducing susceptibility for many psychiatric disorders such as substance use disorder. Nevertheless, the mechanisms underlying early life stress-induced addiction vulnerability is still unclear, especially for opioids. OBJECTIVES To address this, we used a mouse heroin self-administration model to examine how chronic early social isolation (ESI) stress (5 weeks, beginning at weaning) affects the behavioral and neural responses to heroin during adulthood. RESULTS We found that ESI stress did not alter the acquisition for sucrose or heroin self-administration, nor change the motivation for sucrose on a progressive ratio schedule. However, ESI stress induced an upward shift of heroin dose-response curve in female mice and increased motivation and seeking for heroin in both sexes. Furthermore, we examined the neuronal activity (measured by c-Fos expression) within the key brain regions of the mesocorticolimbic system, including the prelimbic cortex (PrL), infralimbic cortex (IL), nucleus accumbens (NAc) core and shell, caudate putamen, and ventral tegmental area (VTA). We found that ESI stress dampened c-Fos expression in the PrL, IL, and VTA after 14-day forced abstinence, while augmented the neuronal responses to heroin-predictive context and cue in the IL and NAc core. Moreover, ESI stress disrupted the association between c-Fos expression and attempted infusions during heroin-seeking test in the PrL. CONCLUSIONS These data indicate that ESI stress leads to increased seeking and motivation for heroin, and this may be associated with distinct changes in neuronal activities in different subregions of the mesocorticolimbic system.
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Affiliation(s)
- Archana Singh
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045, USA
| | - Yang Xie
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045, USA
| | - Ashton Davis
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045, USA
| | - Zi-Jun Wang
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045, USA.
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Acute cannabidiol treatment attenuates ethanol-induced place preference and reduces aggressivity in group-housed male rats. Pharmacol Biochem Behav 2021; 211:173290. [PMID: 34662589 DOI: 10.1016/j.pbb.2021.173290] [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: 03/12/2021] [Revised: 10/09/2021] [Accepted: 10/11/2021] [Indexed: 11/22/2022]
Abstract
Alcohol abuse is a widespread cause of aggressive and impulsive behaviors that impact the users as well as their entourage. However, only a few medications are effective. Recently, cannabidiol has been reported to improve mood disorders and recovery from substance abuse, yet the psychopharmacologic effects of cannabidiol in ethanol-induced drug reward and aggressivity remain unexplored. In the present study, we investigated the effects of cannabidiol on ethanol-induced place preference and aggressivity in individually and group-housed male rats using the conditioned place preference test, and intruder evoc aggression test, respectively. The obtained results showed that ethanol significantly increased locomotor activity, induced conditioned place preference in all animals, and, specifically, increased aggressivity in individually housed rats. These behavioural impairments induced by ethanol were associated with decreased glucocorticoid and mineralocorticoid receptors transcription in the prefrontal cortex. Notwithstanding, cannabidiol at a dose of 10 mg/kg significantly inhibited Et-OH-induced place preference in group-housed, but not in individually housed rats, and markedly inhibited the aggressive behaviour. These findings suggest that ethanol-induced behavioural impairments are dependent on the housing condition that may affect corticosterone receptors expression and subsequently the animal responsivity to cannabidiol treatment.
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Hoopsick RA, Vest BM, Homish DL, Homish GG. Problems with Social Acceptance and Social Victimization Predict Substance Use among US Reserve/Guard Soldiers. Stress Health 2020; 36:311-321. [PMID: 31999055 PMCID: PMC7390694 DOI: 10.1002/smi.2934] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/14/2020] [Accepted: 01/17/2020] [Indexed: 12/30/2022]
Abstract
The effects of negative social interactions/experiences on substance use have largely been studied in civilian populations, but less is known about United States Army Reserve/National Guard (USAR/NG) soldiers-a high-risk group. We examined the associations between problems with social acceptance, social victimization, and substance use among USAR/NG soldiers, and examined potential differences by deployment history. The sample consisted of soldiers who completed baseline and 1-year follow-up assessments (N = 445) of Operation: SAFETY, an ongoing study of USAR/NG soldiers. We examined the effects of baseline problems with social acceptance/social victimization on nonmedical use of prescription drugs (NMUPD), illicit drug use, frequent heavy drinking (FHD), and alcohol problems at follow-up. Significant effects were small in magnitude but consistent in direction. Greater problems with social acceptance were associated with higher odds of NMUPD and illicit drug use. Greater social victimization was associated with higher odds of NMUPD and illicit drug use. There were no differences by deployment history. Problems with social acceptance/social victimization were not associated with FHD or alcohol problems. Problems with social acceptance/social victimization may contribute to drug use among USAR/NG soldiers. Intervention programs should address social issues, regardless of deployment history.
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Affiliation(s)
- Rachel A. Hoopsick
- Department of Family Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, USA,Corresponding Author: Rachel A. Hoopsick, Department of Family Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 3435 Main Street, 335 Kimball Tower, Buffalo, NY 14214, USA. Phone: 716-829-5704,
| | - Bonnie M. Vest
- Department of Family Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - D. Lynn Homish
- Department of Community Health and Health Behavior, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Gregory G. Homish
- Department of Community Health and Health Behavior, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
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Lampert C, Arcego DM, de Sá Couto-Pereira N, Dos Santos Vieira A, Toniazzo AP, Krolow R, Garcia E, Vendite DA, Calcagnotto ME, Dalmaz C. Short post-weaning social isolation induces long-term changes in the dopaminergic system and increases susceptibility to psychostimulants in female rats. Int J Dev Neurosci 2017; 61:21-30. [PMID: 28559209 DOI: 10.1016/j.ijdevneu.2017.05.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 04/10/2017] [Accepted: 05/24/2017] [Indexed: 12/09/2022] Open
Abstract
Childhood and adolescence are sensitive periods of development, marked by high brain maturation and plasticity. Exposure to early life stress, such as social isolation, is able to prompt changes in sensitive brain circuitries, essentially in the mesolimbic dopaminergic system and increase the risk for addictive behaviors later in life. Post-weaning social isolation can stimulate the consumption of rewarding substances, like drugs of abuse and palatable foods. However, most studies analyze long periods of social isolation and very little is known about the effects of a brief social isolation in a sensitive period of development and its association with palatable food on the reward system sensitization. Furthermore, females are more susceptible to the reinforcing effect of drugs than males. Therefore, the aim of this study was to analyze the effects of a short post-weaning social isolation combined with a free access to a chronic high sugar diet (HSD) on the dopaminergic system, oxidative status and behavioral response to an amphetamine-like drug in adulthood. We used female Wistar rats that were socially isolated from post-natal days (PD) 21 to 35 and received free access to a HSD until PD 60. On PD 65, animals were submitted to a challenge with diethylpropion (DEP), an amphetamine-like drug and different responses were analyzed: locomotor activity, immmunocontent of dopamine related proteins, and the oxidative status in the striatum, before and after the DEP challenge. We showed that a short post-weaning social isolation (SI) increased the locomotor response to DEP, when compared with previous saline administration. Social isolation also increased dopamine transporter, tyrosine hydroxylase, and decreased dopamine D2 receptor immunocontent. Additionally, SI increased the overall oxidative status parameters after the challenge with DEP. Interestingly, the exposure to a HSD prevented the SI effects on locomotor response, but did not interfere in the dopaminergic parameters evaluated, despite having modified some oxidative parameters. This study showed for the first time that a short post-weaning social isolation was able to induce long-term changes in the striatal dopaminergic system and increased the response to psychostimulants. These results emphasize the importance of stressful experiences during a short period of development on programming susceptibility to psychostimulants later in life.
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Affiliation(s)
- Carine Lampert
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Danusa Mar Arcego
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Natividade de Sá Couto-Pereira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Aline Dos Santos Vieira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Ana Paula Toniazzo
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Rachel Krolow
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Emily Garcia
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Deusa Aparecida Vendite
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Maria Elisa Calcagnotto
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Carla Dalmaz
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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