Cited by 440Adenosine and Purinergic SignalingNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

An Update on the Mechanisms of the Psychostimulant Effects of Caffeine

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Ferré, Sergi·2008·Journal of Neurochemistry

Abstract

There has been a long debate about the predominant involvement of the different adenosine receptor subtypes and the preferential role of pre‐ versus post‐synaptic mechanisms in the psychostimulant effects of the adenosine receptor antagonist caffeine. Both striatal A 1 and A 2A receptors are involved in the motor‐activating and probably reinforcing effects of caffeine, although they play a different role under conditions of acute or chronic caffeine administration. The present review emphasizes the key integrative role of adenosine and adenosine receptor heteromers in the computation of information at the level of the striatal spine module (SSM). This local module is mostly represented by the dendritic spine of the medium spiny neuron with its glutamatergic and dopaminergic synapses and astroglial processes that wrap the glutamatergic synapse. In the SSM, adenosine acts both pre‐ and post‐synaptically through multiple mechanisms, which depend on heteromerization of A 1 and A 2A receptors among themselves and with D 1 and D 2 receptors, respectively. A critical aspect of the mechanisms of the psychostimulant effects of caffeine is its ability to release the pre‐ and post‐synaptic brakes that adenosine imposes on dopaminergic neurotransmission by acting on different adenosine receptor heteromers localized in different elements of the SSM.

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Crossref · 10.1111/j.1471-4159.2007.05196.x

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  • Caffeine's central stimulant effects likely arise from broader disinhibition of a multi-neurotransmitter network driven by concurrent antagonism of A1 and A2A receptors, rather than from blockade of a single receptor pathway alone.

    “In addition, functional interactions between A2A receptors and dopaminergic signaling pathways suggest that caffeine’s central stimulant effects likely arise from the broader disinhibition of a multi-neurotransmitter network, driven by concurrent antagonism of A1 and A2A receptors, rather than from blockade of a single receptor pathway alone [37,38].”

    From Pre-Exercise Caffeine as a Modulator of Exercise-Induced Acute Cardiometabolic Responses: A Narrative Review (2026) · cites this paper as [37]

    The ‘Adenosine A1 or A2A receptor antagonism?’ section (page unavailable) concludes that both receptors contribute to caffeine’s motor-activating effects. The ‘Pre-synaptic mechanisms’ section (page unavailable) describes effects on dopamine and glutamate and says other neurotransmitters may also be involved. It does not establish broad disinhibition of a multi-neurotransmitter network as the mechanism; its account of receptor effects on neurotransmitter release is more varied. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • High concentrations of caffeine inhibit phosphodiesterase activity and stimulate dopamine D2 receptors.

    “In addition, high concentrations of caffeine inhibit phosphodiesterase activity 3 and stimulate dopamine D2 receptors.9”
  • Caffeine excites neural circuits that project from the basal ganglia to the striatum and cerebral cortex.

    “Furthermore, caffeine excites neural circuits that project from the basal ganglia to the striatum and cerebral cortex.9”

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1 of the 129 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. [46]46. Gine ´s S., Hillion J., Torvinen M. et al. (2000) Dopamine D1 and adenosine A1 receptors form functionally interacting heteromeric complexes. Proc. Natl Acad. Sci. USA 97, 8606-8611.
  2. [121]121. Svenningsson P., Lindskog M., Ledent C., Parmentier M., Greengard P., Fredholm B. B. and Fisone G. (2000) Regulation of the phos- phorylation of the dopamine-and cAMP-regulated phosphoprotein of 32 kDa in vivo by dopamine D1, dopamine D2, and adenosine A2A receptors. Proc. Natl Acad. Sci. USA 97, 1856-1860.

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Authors
Ferré, S.
Affiliations
National Institutes of Health (US)
Corresponding author
Ferré, Sergi
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2007-12-18
Volume
105
Issue
4
Pages
1067-1079
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1994970739
Cited by
440
References
129
Citations by year
2026: 12 · 2025: 19 · 2024: 14 · 2023: 23 · 2022: 31 · 2021: 30 · 2020: 15 · 2019: 26 · 2018: 24 · 2017: 18 · 2016: 32 · 2015: 32 · 2014: 25 · 2013: 34 · 2012: 29
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute on Drug Abuse
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
caffeine, psychostimulant effects, adenosine receptors, adenosine A1 receptor, adenosine A2A receptor, receptor heteromers, dopamine signaling, glutamatergic synapses, dopamine D1 receptor, dopamine D2 receptor, motor activation, reinforcement, adenosine
MeSH terms
Adenosine, Central Nervous System Stimulants, Animals, Caffeine, Humans, Receptors, Purinergic P1, Purinergic P1 Receptor Agonists

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