The DOI matches its Crossref record; 48 of the 50 references it cites were found in a registry or an index.
Association Between A2a Receptor Gene Polymorphisms and Caffeine-Induced Anxiety
Abstract
The adenosine receptor system, which mediates the psychoactive effects of caffeine, is also thought to be involved in the regulation of anxiety. In this study, we examined the association between variations in anxiogenic responses to caffeine and polymorphisms in the A1 and A2a adenosine receptor genes. Healthy, infrequent caffeine users (N=94) recorded their subjective mood states following a 150 mg oral dose of caffeine freebase or placebo in a double-blind study. We found a significant association between self-reported anxiety after caffeine administration and two linked polymorphisms on the A2a receptor gene, the 1976C>T and 2592C>Tins polymorphisms. Individuals with the 1976T/T and the 2592Tins/Tins genotypes reported greater increases in anxiety after caffeine administration than the other genotypic groups. The study shows that an adenosine receptor gene polymorphism that has been associated with Panic Disorder is also associated with anxiogenic responses to an acute dose of caffeine.
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“For example, common variants of the gene encoding for the A2a receptor can disrupt sleep (51) or cause anxiety in some individuals (52) after ingesting caffeine.”
From The Safety of Ingested Caffeine: A Comprehensive Review (2017) · cites this paper as [52]
Citations
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Fifty years of the Barratt Impulsiveness Scale: an update and review
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“Alsene et al. (2003) and Childs et al. (2008) found a significant association between self-reported anxiety after caffeine administration and a number of polymorphisms on the A2A receptor gene, among others the known 1976C T and the new 2592C Tins polymorphisms.”
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“Linkage studies have shown that polymorhisms in the adenosine A2A receptor gene and in adenosine eaminase are associated with individual differences in caffeine onsumption and caffeine’s effects on EEG, anxiety, and sleep Alsene et al., 2003; Cornelis et al., 2007; Retey et al., 2007).”
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Metadata
- Authors
- Alsene, K., Deckert, J., Sand, P., & de Wit, H.
- Affiliations
- University of Chicago (US)
- University of Münster (DE)
- University of Würzburg (DE)
- Venue
- Neuropsychopharmacology
- Published
- 2003-05-14
- Volume
- 28
- Issue
- 9
- Pages
- 1694-1702
- ISSN
- 0893-133X (ISSN-L)
- 1740-634X
- OpenAlex
- W2043153453
- Cited by
- 334
- References
- 50
- Citations by year
- 2026: 12 · 2025: 6 · 2024: 10 · 2023: 12 · 2022: 8 · 2021: 13 · 2020: 13 · 2019: 18 · 2018: 18 · 2017: 16 · 2016: 19 · 2015: 9 · 2014: 21 · 2013: 11 · 2012: 21
- FWCI
- 6.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Neuropsychopharmacology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute on Drug Abuse (DA 02812, R01DA002812)
- Topics
- Health Sciences › Medicine › Pharmacology (medical) › Coffee research and impacts
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
- Keywords
- caffeine, anxiety, adenosine A2A receptor, adenosine A1 receptor, genetic polymorphism, subjective mood, panic disorder, genetic susceptibility
- MeSH terms
- Adult, Central Nervous System Stimulants, Animals, Anxiety, Caffeine, Cysteine, Double-Blind Method, Female, Genotype, Humans, Hybrid Vigor, Male, Neuropsychological Tests, Pain Measurement, Personality Inventory, Polymorphism, Genetic, Threonine, Time Factors, Genetic Variation, Sequence Analysis, DNA, Receptors, Purinergic P1, Tandem Repeat Sequences, Receptor, Adenosine A2A
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