{"title":"Chronic binge alcohol dysregulates omental adipose tissue extracellular matrix in simian immunodeficiency virus-infected macaques","authors":"Jonquil M. Poret, Liz Simon, Patricia E. Molina","doi":"10.1111/acer.70012","DOIUrl":"10.1111/acer.70012","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Increased survival, prolonged antiretroviral treatment (ART), and lifestyle choices, including alcohol misuse, increase the risk for comorbid conditions, including cardiometabolic comorbidities among people with HIV (PWH). Published studies indicate that dysregulated adipose tissue phenotype, particularly of the visceral adipose depot, contributes to metabolic dysregulation. Using a nonhuman primate model of simian immunodeficiency virus (SIV) infection, we previously demonstrated that chronic binge alcohol (CBA) administration to ART-treated rhesus macaques decreases whole-body glucose-insulin dynamics, increases omental adipose tissue (OmAT) collagen content, decreases OmAT adipocyte size, and alters pancreatic endocrine function. The objective of this study was to delineate the depot-specific effects of CBA on visceral (VAT) and subcutaneous adipose tissue (SAT) extracellular matrix (ECM) phenotype, the potential mechanisms involved in AT ECM remodeling, and the implications of increased tissue stiffness on AT metabolic alterations in female SIV-infected macaques.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Omental and subcutaneous adipose samples were obtained from female SIV-infected, ART-treated macaques that received intragastric administration of CBA (12–15 g/kg/week, CBA/SIV) or water (VEH/SIV) for 14.5 months.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>CBA preferentially altered the ECM phenotype in OmAT, a VAT depot. The CBA-associated changes included increased ECM accumulation, increased collagen I–III ratio, a profibrotic milieu, and decreased matrix metalloproteinase 13 activity. These changes were associated with smaller adipocyte size, decreased triglyceride content, decreased gene expression of perilipins, and a potential dysregulation of peroxisome proliferator-activated receptor gamma signaling.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Collectively, these findings suggest that CBA-mediated ECM remodeling “traps” adipocytes within a stiff environment that we propose disrupts adipocyte metabolic programming and may increase the risk for metabolic comorbidities.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 4","pages":"741-753"},"PeriodicalIF":3.0,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Articles of Public Interest","authors":"","doi":"10.1111/acer.15538","DOIUrl":"https://doi.org/10.1111/acer.15538","url":null,"abstract":"","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 2","pages":"270"},"PeriodicalIF":3.0,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143424035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A single approach, multiple insights: Harnessing spatial transcriptomics and proteomics to identify novel therapeutic targets of alcohol-associated hepatitis","authors":"Eugene Ham, Claudia R. Keating, Wei Qiu","doi":"10.1111/acer.70007","DOIUrl":"10.1111/acer.70007","url":null,"abstract":"","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 4","pages":"736-740"},"PeriodicalIF":3.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143416380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thaynnam Arcebispo Emous, Paula Mendonça Camargo Eduardo, Mariana Cardoso Melo, Letícia S. Pichinin, Karina Possa Abrahao
{"title":"Influence of food availability on water and alcohol consumption in murine models","authors":"Thaynnam Arcebispo Emous, Paula Mendonça Camargo Eduardo, Mariana Cardoso Melo, Letícia S. Pichinin, Karina Possa Abrahao","doi":"10.1111/acer.70006","DOIUrl":"10.1111/acer.70006","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Alcohol use disorder remains a global issue. Thus, understanding the factors that contribute to alcohol abuse, including how food availability can influence drinking behavior, is critical.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Female and male C57Bl/6 and Swiss mice underwent a two-bottle choice Intermittent Overnight Drinking (IOD) protocol consisting of 12 sessions on alternate nights, three times per week, using lickometer devices. Mice had access to two bottles, containing either water or 10% ethanol, for 16 hours, starting 2 hours before the dark cycle. Animals were initially assigned to two groups: one with access to water, ethanol, and standard rodent chow (FOOD group), and another with access only to water and ethanol (NFOOD group). After six sessions, half of the mice in the second group were reassigned to a new group with delayed access to chow (NFOOD-FOOD group).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Food availability led to increased drinking, but the modulation was liquid dependent for each strain. The presence of food primarily increased ethanol intake in C57Bl/6 mice, while it enhanced water intake in Swiss mice. Microstructure analysis revealed that food heightened ethanol licks in C57Bl/6 mice, whereas it elevated water licks in Swiss mice, without altering numbers of bouts. Additionally, overnight analysis showed that C57Bl/6 mice with access to food had a peak in ethanol licks between 20:00 and 22:00, while Swiss mice exhibited an increase in water licks starting at 20:00 to 2:00, highlighting a strain-specific response to the dark cycle.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>This study provides normative data on the temporal patterns of water and ethanol consumption in C57Bl/6 and Swiss female and male mice, contributing valuable insights to the field of voluntary drinking behaviors in murine models.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 4","pages":"854-865"},"PeriodicalIF":3.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Work–family–self-care and day drinking among women during the COVID-19 pandemic","authors":"Susan D. Stewart","doi":"10.1111/acer.70001","DOIUrl":"10.1111/acer.70001","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>The term “day drinking” is used colloquially to refer to drinking alcohol during daytime hours and has become part of the vernacular surrounding alcohol use. Anecdotal evidence is suggestive of increased day drinking among women during the COVID-19 pandemic, but empirical studies are few. This study assessed changes in the time of day women consumed alcoholic beverages during the pandemic and investigated whether their difficulty balancing work, family, and self-care was associated with the initiation of daytime drinking.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>In June of 2020, 546 women age 25 and older completed an online survey regarding their drinking behaviors pre- and post-COVID-19, perceived stress, COVID-19 anxiety, and degree of difficulty managing work, family, and personal care. Multivariate logistic regression models assessed associations between variables, controlling for women's sociodemographic characteristics.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Women shifted to drinking earlier in the day with the onset of the COVID-19 pandemic, with a specific increase in daytime drinking. Difficulty managing work, family, and self-care was associated with significantly greater odds of initiating day drinking, but perceived stress and COVID-19 anxiety were not.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Alcohol consumption is harmful to women's health. In addition to work and family roles, researchers should continue to explore how self-care affects women's alcohol use, and specifically temporal patterns, especially in times of crisis.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 3","pages":"654-664"},"PeriodicalIF":3.0,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11926662/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143384191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Irene Perini, Hanna Karlsson, Sarah McIntyre, Markus Heilig
{"title":"Neural correlates of choosing alcohol over a palatable food reward in humans","authors":"Irene Perini, Hanna Karlsson, Sarah McIntyre, Markus Heilig","doi":"10.1111/acer.15532","DOIUrl":"10.1111/acer.15532","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>In a population of light and heavy, nontreatment seeking drinkers, we recently showed that choice for alcohol versus a concurrently available snack reward was sensitive to the relative cost of alcohol. Here, we examined the neural substrates of alcohol choice using functional magnetic resonance imaging (MRI) in a new sample of light and heavy drinkers.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Participants were scanned during the Concurrent Alcohol Food Choice task, and collected points associated with the images of alcohol or snack rewards that they could redeem at the end of the experiment. As cost manipulation, point values were equal or varied so that they favored alcohol or the snack reward. Linear mixed-effects models were used for the analyses of behavioral and brain data.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>In a replication of prior findings, alcohol choice was sensitive to the relative value of alcohol in both groups. Neural activations in, among others, orbitofrontal cortex and insula were associated to relative value during choice. In addition, we observed that choosing alcohol as opposed to snack engaged two separate sets of brain regions. We did not replicate our prior finding of increased choice preference for alcohol in heavy compared to light drinkers and found no between-group differences in brain activity.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Overall, we replicated intact sensitivity to relative costs of alcohol in heavy drinkers and found its associated brain activity regions involved in value and salience attribution. Alcohol choice engaged regions involved in value-based behavior while snack preference elicited activity in areas linked to externally oriented attention. The failure to replicate the between-group differences may be due to the artificial MRI environment or observed differences in personality traits.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 3","pages":"551-563"},"PeriodicalIF":3.0,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11926664/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carol E. Kaufman, Nancy L. Asdigian, Nicole D. Reed, Umit Shrestha, Sheana Bull, Nicole R. Tuitt, Raeann Vossberg, Sara Mumby, Michelle Sarche
{"title":"One-month outcomes of a culturally tailored alcohol-exposed pregnancy prevention mobile app among urban Native young women: A randomized controlled trial of Native WYSE CHOICES","authors":"Carol E. Kaufman, Nancy L. Asdigian, Nicole D. Reed, Umit Shrestha, Sheana Bull, Nicole R. Tuitt, Raeann Vossberg, Sara Mumby, Michelle Sarche","doi":"10.1111/acer.70002","DOIUrl":"10.1111/acer.70002","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>The majority of alcohol-exposed pregnancy (AEP) prevention programs for Native women have focused on at-risk adult women residing in rural tribal communities; however, over 70% of the Native population resides in urban areas. Moreover, Native young women universally—regardless of risk status—may benefit from culturally tailored resources. We hypothesized that urban Native young women who engaged with Native WYSE CHOICES (NWC), a culturally tailored AEP prevention intervention delivered by mobile phone app, would report reduced risk of AEP at the 1-month follow-up compared to those who engaged with a comparison condition.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>From August 2021 to January 2023, we recruited 439 urban Native young women (ages 16–20) nationally to a randomized controlled trial administered fully virtually including most recruitment, data collection and intervention engagement. Participants were randomly assigned to the NWC app or an alternative app. We used linear and logistic regression analyses to predict scores on 1-month outcome variables by study arm assignment.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Results of regression analyses predicting scores on 1-month outcomes by study arm showed trending intervention effects on measures of AEP knowledge (<i>p</i> = 0.06), alcohol use with sexual activity (<i>p</i> = 0.10), and an AEP risk index (<i>p</i> = 0.12). At 1-month follow-up, intervention group participants reported greater AEP knowledge, lower likelihood of alcohol-involved sexual activity in the past month, and lower scores on an AEP risk index compared to the comparison group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The NWC app produced trending changes in key areas of knowledge and behavior that may result in reduced AEP risk among urban Native young women. These findings suggest that the NWC app holds promise for addressing AEP in Native populations. Small changes in these areas may result in lifelong changes in the current generation that impact the health and wellbeing of generations to come.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 3","pages":"641-653"},"PeriodicalIF":3.0,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tristan Hurzeler, Warren Logge, Joshua Watt, Ian S. McGregor, Anastasia Suraev, Paul S. Haber, Kirsten C. Morley
{"title":"Cannabidiol alters psychophysiological, craving and anxiety responses in an alcohol cue reactivity task: A cross-over randomized controlled trial","authors":"Tristan Hurzeler, Warren Logge, Joshua Watt, Ian S. McGregor, Anastasia Suraev, Paul S. Haber, Kirsten C. Morley","doi":"10.1111/acer.15514","DOIUrl":"10.1111/acer.15514","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Preclinical studies have demonstrated that cannabidiol (CBD) reduces alcohol-seeking behaviors and may have potential for managing alcohol use disorder (AUD). In this study, we examined the effects of CBD versus placebo on (i) psychophysiological, craving and anxiety responses to alcohol and appetitive cues; (ii) tolerability measures including cognitive functioning.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Twenty-two non-treatment-seeking individuals with AUD (DSM-5) participated in a cross-over, double-blind, randomized trial, receiving either 800 mg of CBD or matched placebo over 3 days. A laboratory alcohol cue reactivity task with appetitive control (juice) and alcohol exposures, and subsequent recovery periods to examine regulation of cue-elicited responses after cue-offset (recovery) was completed, with psychophysiological indices of autonomic nervous system activity (skin conductance, high-frequency heart rate variability [HF-HRV]) and self-reported measures (alcohol craving and anxiety). Self-reported scales of sedation and neuropsychological executive function tasks were also completed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>CBD sessions were significantly associated with elevated parasympathetic nervous system (PNS) activity across the task, as indicated by increased HF-HRV. Reductions in self-reported anxiety during cue exposure stages compared to placebo sessions were also evidenced. Reductions in self-reported alcohol craving after cue exposure were seen during CBD sessions only. There were no significant differences between CBD and placebo on executive functioning performance.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>In a short-term regimen, CBD appears to modulate PNS activity, reduce cue-elicited anxiety during cue exposure and reduce alcohol craving after cue exposure while not significantly impairing cognition. Large, parallel clinical trials with longer term regimens are now needed to determine the therapeutic potential of CBD in the management of AUD.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 2","pages":"448-459"},"PeriodicalIF":3.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143076646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Repeated cycles of binge-like ethanol consumption and abstinence alter neuropeptide mRNA in prefrontal and insular cortex, amygdala, and lateral hypothalamus of male and female C57BL/6J mice","authors":"Anne M. Dankert, Thomas L. Kash, Todd E. Thiele","doi":"10.1111/acer.15536","DOIUrl":"10.1111/acer.15536","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Binge drinking is a risky pattern of alcohol (ethanol) consumption associated with a variety of negative outcomes, including the development of alcohol use disorder (AUD). Many neuropeptide systems are thought to become dysregulated in AUD; however, whether repeated cycles of binge-like ethanol consumption and abstinence following binge-like drinking alter neuropeptide mRNA in key brain regions, such as the medial prefrontal cortex (mPFC), insular cortex (IC), amygdala, and lateral hypothalamus (LH), remains unknown.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Male and female mice underwent 0, 3, or 6 cycles of binge-like ethanol consumption using the “Drinking in the Dark” (DID) paradigm. Brain tissue was collected either immediately following the final session of DID or after a 24-h period of abstinence, and quantitative polymerase chain reaction (qPCR) was performed to assess how repeated cycles of binge-like ethanol intake and abstinence alter relative mRNA expression for 22 neuropeptide-related targets.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We observed that repeated cycles of binge-like ethanol consumption and abstinence altered relative mRNA expression for 11 targets in the mPFC, five targets in the IC, eight targets in the amygdala, and two targets in the LH. Two of these alterations were specific to female mice, while one was specific to male mice.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These data suggest that neuropeptide mRNA is altered by repeated cycles of binge-like ethanol intake and abstinence in a brain region and sex-dependent manner. The current findings provide a useful foundation from which to explore potential targets to decrease binge-like ethanol consumption and prevent the development of AUD.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 3","pages":"573-586"},"PeriodicalIF":3.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143069774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thomas W. Perry, Harrison M. Carvour, Amanda N. Reichert, Elizabeth A. Sneddon, Charlotte A. E. G. Roemer, Ying Ying Gao, Kristen M. Schuh, Natalie A. Shand, Jennifer J. Quinn, Anna K. Radke
{"title":"Early life stress paired with adolescent alcohol consumption reduces two-bottle choice alcohol consumption in mice","authors":"Thomas W. Perry, Harrison M. Carvour, Amanda N. Reichert, Elizabeth A. Sneddon, Charlotte A. E. G. Roemer, Ying Ying Gao, Kristen M. Schuh, Natalie A. Shand, Jennifer J. Quinn, Anna K. Radke","doi":"10.1111/acer.70004","DOIUrl":"10.1111/acer.70004","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>In humans, early life stress (ELS) is associated with an increased risk for developing both alcohol use disorder (AUD) and posttraumatic stress disorder (PTSD). We previously used an infant footshock model in rats that produces stress-enhanced fear learning (SEFL) and increases aversion-resistant alcohol drinking to explore this shared predisposition. The goal of the current study was to test the viability of this procedure as a model of comorbid PTSD and AUD in male and female C57BL/6J mice.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Acute ELS was induced using 15 footshocks on postnatal day (PND) 17. In adulthood, alcohol drinking behavior was tested in one of three two-bottle choice drinking paradigms. In continuous access, mice were given 24 h access to 5% and 10% ethanol and water for five consecutive drinking sessions each. In limited access drinking in the dark, mice were given 2 h of access to 15% ethanol and water across 15 sessions 3 h into the dark cycle. In intermittent access, mice were presented with 20% ethanol and water Monday, Wednesday, and Friday, for four consecutive weeks. In a fifth week of intermittent access drinking, increasing concentrations of quinine (10, 100, and 200 mg/L) were added to the ethanol to test aversion-resistant drinking. Intermittent access drinking was tested with and without a period of adolescent drinking (PND 35).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Infant footshock did not alter drinking in the continuous or limited access tasks. In the intermittent access task, adult consumption and preference were lower in shocked mice when adolescent drinking was included. Aversion resistance was greater in females following infant footshock and adolescent drinking.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our results demonstrate that ELS, in the form of infant footshock on PND 17, must be followed by a period of adolescent drinking to affect adult alcohol consumption in mice.</p>\u0000 </section>\u0000 </div>","PeriodicalId":72145,"journal":{"name":"Alcohol (Hanover, York County, Pa.)","volume":"49 3","pages":"678-691"},"PeriodicalIF":3.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11926665/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143069617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}