Evidence map›Paper›PMID 23671038›Full record

ArticleHuman brain mapping2014

Mapping neurotransmitter networks with PET: an example on serotonin and opioid systems.

Lauri Tuominen, Lauri Nummenmaa, Liisa Keltikangas-Järvinen, Olli Raitakari, Jarmo Hietala

Open access · greenAbstract read
In one paragraph

Article in Human brain mapping, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
1.9field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 55 citations in OpenAlex.

  1. Article
  2. Review
  3. Molecular connectivity studies in neurotransmission: a scoping review.Imaging neuroscience (Cambridge, Mass.) · 2025
    Article
  4. Article
  5. Dopamine D1-Receptor Organization Contributes to Functional Brain Architecture.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Article
  6. Review
  7. Review
  8. Review
  9. Article
  10. Article
  11. Review
  12. Article
  13. μ-opioid receptor availability is associated with sex drive in human males.Cognitive, affective & behavioral neuroscience · 2022
    Article
  14. Article
  15. NRM 2021 Abstract Booklet.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
    Article
  16. Cerebral μ-opioid and CBTranslational psychiatry · 2021
    Article
  17. Seasonal Variation in the Brain μ-Opioid Receptor Availability.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  18. Lowered endogenous mu-opioid receptor availability in subclinical depression and anxiety.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2020
    Article
  19. From metabolic connectivity to molecular connectivity: application to dopaminergic pathways.European journal of nuclear medicine and molecular imaging · 2020
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 4 institutions in 1 country.

Lauri TuominenTurku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Psychiatry, University of Turku, Turku, Finland.
Lauri Nummenmaa
Liisa Keltikangas-Järvinen
Olli Raitakari
Jarmo Hietala
University of Turku · FIAalto University · FITurku PET Centre · FIUniversity of Helsinki · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

All functions of the human brain are consequences of altered activity of specific neural pathways and neurotransmitter systems. Although the knowledge of "system level" connectivity in the brain is increasing rapidly, we lack "molecular level" information on brain networks and connectivity patterns. We introduce novel voxel-based positron emission tomography (PET) methods for studying internal neurotransmitter network structure and intercorrelations of different neurotransmitter systems in the human brain. We chose serotonin transporter and μ-opioid receptor for this analysis because of their functional interaction at the cellular level and similar regional distribution in the brain. Twenty-one healthy subjects underwent two consecutive PET scans using [(11)C]MADAM, a serotonin transporter tracer, and [(11)C]carfentanil, a μ-opioid receptor tracer. First, voxel-by-voxel "intracorrelations" (hub and seed analyses) were used to study the internal structure of opioid and serotonin systems. Second, voxel-level opioid-serotonin intercorrelations (between neurotransmitters) were computed. Regional μ-opioid receptor binding potentials were uniformly correlated throughout the brain. However, our analyses revealed nonuniformity in the serotonin transporter intracorrelations and identified a highly connected local network (midbrain-striatum-thalamus-amygdala). Regionally specific intercorrelations between the opioid and serotonin tracers were found in anteromedial thalamus, amygdala, anterior cingulate cortex, dorsolateral prefrontal cortex, and left parietal cortex, i.e., in areas relevant for several neuropsychiatric disorders, especially affective disorders. This methodology enables in vivo mapping of connectivity patterns within and between neurotransmitter systems. Quantification of functional neurotransmitter balances may be a useful approach in etiological studies of neuropsychiatric disorders and also in drug development as a biomarker-based rationale for targeted modulation of neurotransmitter networks.

Indexed as

BrainBrain MappingPositron-Emission TomographyAdultBenzylaminesFemaleFentanylHumansImage Processing, Computer-AssistedMaleMiddle AgedNeurotransmitter AgentsReceptors, Opioid, muSerotoninBenzylaminescarfentanilFentanylNeurotransmitter AgentsN,N-dimethyl-2-(2-amino-4-methylphenylthio)benzylamineReceptors, Opioid, muSerotoninconnectivitycorrelationpositron emission tomographyserotonin transporterμ-opioid receptor

Identifiers

PMID23671038
PMCPMC6869218
OpenAlexW2101588680

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.