Cited by 725Neurotransmitter Receptor Influence on BehaviorSex and Gender in HealthcarePrenatal Substance Exposure Effects

The DOI matches its Crossref record; 225 of the 226 references it cites were found in a registry or an index.

Sex Differences in Animal Models: Focus on Addiction

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Becker, Jill B., Koob, George F.·2016·Pharmacological Reviews

Abstract

The purpose of this review is to discuss ways to think about and study sex differences in preclinical animal models. We use the framework of addiction, in which animal models have excellent face and construct validity, to illustrate the importance of considering sex differences. There are four types of sex differences: qualitative, quantitative, population, and mechanistic. A better understanding of the ways males and females can differ will help scientists design experiments to characterize better the presence or absence of sex differences in new phenomena that they are investigating. We have outlined major quantitative, population, and mechanistic sex differences in the addiction domain using a heuristic framework of the three established stages of the addiction cycle: binge/intoxication, withdrawal/negative affect, and preoccupation/anticipation. Female rats, in general, acquire the self-administration of drugs and alcohol more rapidly, escalate their drug taking with extended access more rapidly, show more motivational withdrawal, and (where tested in animal models of "craving") show greater reinstatement. The one exception is that female rats show less motivational withdrawal to alcohol. The bases for these quantitative sex differences appear to be both organizational, in that estradiol-treated neonatal animals show the male phenotype, and activational, in that the female phenotype depends on the effects of gonadal hormones. In animals, differences within the estrous cycle can be observed but are relatively minor. Such hormonal effects seem to be most prevalent during the acquisition of drug taking and less influential once compulsive drug taking is established and are linked largely to progesterone and estradiol. This review emphasizes not only significant differences in the phenotypes of females and males in the domain of addiction but emphasizes the paucity of data to date in our understanding of those differences.

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Metadata

Authors
Becker, J. B., & Koob, G. F.
Affiliations
National Institutes of Health (US)
Venue
Pharmacological Reviews
Publisher
Elsevier BV
Published
2016-04
Volume
68
Issue
2
Pages
242-263
ISSN
0031-6997 (ISSN-L)
OpenAlex
W2286968510
Cited by
725
References
226
Citations by year
2026: 60 · 2025: 59 · 2024: 74 · 2023: 86 · 2022: 87 · 2021: 83 · 2020: 72 · 2019: 61 · 2018: 53 · 2017: 57 · 2016: 31
FWCI
7.37
Type
journal article
Language
en
Open access
Locations
  • Pharmacological Reviews (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r21da032747-02)
  • National Institute on Alcohol Abuse and Alcoholism
  • National Institute on Drug Abuse (R21-DA-032747, 5R21DA032747)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Sex and Gender in Healthcare
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
Keywords
sex differences, addiction, preclinical animal models, self-administration, alcohol self-administration, craving, reinstatement, estradiol, progesterone, gonadal hormones, estrous cycle, binge drinking, female rats
MeSH terms
Animals, Disease Models, Animal, Humans, Sex Characteristics, Substance-Related Disorders

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