Evidence map›Paper›PMID 27623971›Full record

SynthesisBMC psychiatry2016

Serotonin-1A receptor alterations in depression: a meta-analysis of molecular imaging studies.

Ling Wang, Chanjuan Zhou, Dan Zhu, Xinfa Wang, Liang Fang, Jiaju Zhong, Qiang Mao, Lu Sun, Xue Gong, Jinjun Xia and 2 more

Open access · goldAbstract readMeta-AnalysisReview
In one paragraph

Synthesis in BMC psychiatry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 5 pooled it
3.2field-weighted citation impact, top 8% 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

52 citing papers in PubMed, 5 syntheses or guidelines pooled it, 159 citations in OpenAlex.

  1. Pooled it
  2. Cortical 5-HTMolecular psychiatry · 2025
    Pooled it
  3. Pooled it
  4. Neuroprotective Potency of Neolignans inFrontiers in pharmacology · 2022
    Pooled it
  5. Pooled it
  6. Varivax (IBRO neuroscience reports · 2026
    Article
  7. Article
  8. Article
  9. Review
  10. Review
  11. Trajectories of late-life depression: insights from molecular imaging.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. The utility of PET imaging in depression.Frontiers in psychiatry · 2024
    Review
  19. 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

12 authors at 2 institutions in 1 country.

Ling WangChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Chanjuan ZhouChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Dan ZhuChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Xinfa WangChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Liang FangChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Jiaju ZhongChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Qiang MaoChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Lu SunChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Xue GongChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Jinjun XiaChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Bing LianChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China.
Peng XieChongqing Key Laboratory of Neurobiology, Chongqing Medical University, Yixueyuan Road, Yuzhong District, Chongqing, China. xiepeng@cqmu.edu.cn.
Chongqing Medical University · CNFirst Affiliated Hospital of Chongqing Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPostmortem studies of people who have successfully committed suicide and people with depression have implicated the serotonin-1A (5-HT1A) receptor system in the pathophysiology of depression. Several molecular imaging studies have investigated alterations in 5-HT1A receptors in patients with depression using positron emission tomography and have reported conflicting results.

methodsWe performed a meta-analysis of studies investigating the relationship between depression and 5-HT1A binding. We conducted a comprehensive search of Medline, Embase, ScienceDirect, Scopus and Springer databases for relevant studies published between January 1999 and October 2015. The meta-analysis was conducted in accordance with the Meta-analysis of Observational Studies in Epidemiology guidelines.

resultsTen studies were included, comprising 218 patients with depression and 261 healthy controls. The results of these studies indicated a reduction in 5-HT1A receptors in mesiotemporal cortex, yielding a summary effect estimate of -0.8 (95 % CI -1.36, -0.24). Smaller reductions were reported in 5-HT1A receptor binding in the hippocampus, raphe nuclei, insular, anterior cingulate cortex and occipital cortex of people with depression. No clear effect of depression on 5-HT1A receptors was detected in the amygdala.

conclusionsReduced 5-HT1A receptor binding was associated with the pathology of depression and predicted altered serotonergic neurotransmission in various brain regions. These findings increase our understanding of the neurophysiological processes underlying depression.

Indexed as

AdultAmygdalaCerebral CortexDepressionDepressive DisorderFemaleGyrus CinguliHippocampusHumansMaleMolecular ImagingNeuroimagingPiperazinesPositron-Emission TomographyPyridinesRaphe NucleiPiperazinesPyridinesSerotonin5-HT1ADepressionMeta-analysisMolecular imaging

Identifiers

PMID27623971
PMCPMC5022168
OpenAlexW2520794700

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.