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ArticleNeurology(R) neuroimmunology & neuroinflammation2025

Oral and Gut Dysbiosis in Migraine: Oral Microbial Signatures as Biomarkers of Migraine.

Soomi Cho, Yeonjae Jung, Hyun-Seok Oh, Jungyon Yum, Seungwon Song, JaeWook Jeong, Woo-Seok Ha, Kyung Min Kim, Won-Joo Kim, Min Kyung Chu

Abstract read
In one paragraph

Article in Neurology(R) neuroimmunology & neuroinflammation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

8 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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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

10 authors.

Soomi ChoDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
Yeonjae JungCJ Bioscience Inc., Seoul, Republic of Korea; and.
Hyun-Seok OhCJ Bioscience Inc., Seoul, Republic of Korea; and.
Jungyon YumDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
Seungwon SongDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
JaeWook JeongDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.ORCID 0000-0002-9414-6523
Woo-Seok HaDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.ORCID 0000-0003-1188-449X
Kyung Min KimDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.ORCID 0000-0002-0261-1687
Won-Joo KimDepartment of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
Min Kyung ChuDepartment of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.ORCID 0000-0001-6221-1346

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesEmerging evidence suggests that oral health conditions may exacerbate migraine, and saliva is a potential source of biomarkers for migraine. The 3-way interaction of the oral-gut-brain axis has been implicated in several neurologic disorders, but has rarely been studied in migraine. This study examined the oral and gut microbiomes simultaneously and identified several key oral microbes that may influence migraine.

methodsIn this cross-sectional case-control study, participants were divided into 3 groups: episodic migraine (n = 55), chronic migraine (n = 55), and healthy control (HC) (n = 55). Demographic and clinical characteristics; lifestyle factors; and biological samples including saliva, stool, and blood were collected. Composition, function, and community type of the oral and gut microbiomes were compared among the 3 groups.

resultsOral dysbiosis was more pronounced than gut dysbiosis in the migraine groups, with 13 oral genera significantly enriched or depleted compared with HCs. The migraine groups showed increased abundance of DISCUSSION: Our findings suggest that oral dysbiosis may be involved in the development of migraine and highlight specific oral microbes as potential diagnostic biomarkers and therapeutic targets for migraine.

Indexed as

DysbiosisGastrointestinal MicrobiomeMigraine DisordersMouthAdultBiomarkersCase-Control StudiesCross-Sectional StudiesFemaleHumansMaleMiddle AgedSalivaBiomarkers

Identifiers

PMID40699951
PMCPMC12221161

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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.