Evidence map›Paper›PMID 33004860›Full record

ArticleScientific reports2020

Comparative analysis of the tonsillar microbiota in IgA nephropathy and other glomerular diseases.

Ji In Park, Tae-Yoon Kim, Bumjo Oh, Hyunjeong Cho, Ji Eun Kim, Seong Ho Yoo, Jung Pyo Lee, Yon Su Kim, Jongsik Chun, Bong-Soo Kim and 1 more

Open access · goldAbstract readComparative Study
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

16 citing papers in PubMed, 24 citations in OpenAlex.

  1. Review
  2. Renal failure · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. IgA nephropathy.Nature reviews. Disease primers · 2023
    Review
  9. Article
  10. Review
  11. The mucosal immune system and IgA nephropathy.Seminars in immunopathology · 2021
    Review
  12. Article
  13. The microbiome and IgA nephropathy.Seminars in immunopathology · 2021
    Review
  14. Review
  15. Article
  16. 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

11 authors at 7 institutions in 2 countries.

Ji In ParkDepartment of Internal Medicine, Kangwon National University Hospital, Kangwon National University School of Medicine, Chuncheon, Republic of Korea.
Tae-Yoon KimDepartment of Life Science, Multidisciplinary Genome Institute, Hallym University, 1 Hallymdaehak-gil, Chuncheon, Gangwon-do, Republic of Korea.
Bumjo OhDepartment of Family Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea.
Hyunjeong ChoDepartment of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea.
Ji Eun KimDepartment of Internal Medicine, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, Republic of Korea.
Seong Ho YooDepartment of Forensic Medicine and Institute of Forensic Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
Jung Pyo LeeDepartment of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Republic of Korea.
Yon Su KimDepartment of Internal Medicine, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, Republic of Korea.
Jongsik ChunSchool of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
Bong-Soo KimDepartment of Life Science, Multidisciplinary Genome Institute, Hallym University, 1 Hallymdaehak-gil, Chuncheon, Gangwon-do, Republic of Korea. bkim79@hallym.ac.kr.
Hajeong LeeDepartment of Internal Medicine, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, Republic of Korea. mdhjlee@gmail.com.
Seoul National University · KRHallym University · KRSeoul National University Hospital · KRChungbuk National University Hospital · KRKangwon National University Hospital · KRKorea University Medical Center · KRSNUH SMG-SNU Boramae Medical Center · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Immunoglobulin A nephropathy (IgAN) involves repeated events of gross haematuria with concurrent upper airway infections. The mucosal immune system, especially the tonsil, is considered the initial site of inflammation, although the role of the tonsillar microbiota has not been established in IgAN. In this study, we compared the tonsillar microbiota of patients with IgAN (n = 21) and other glomerular diseases (n = 36) as well as, healthy controls (n = 23) from three medical centres in Korea. The microbiota was analysed from tonsil swabs using the Illumina MiSeq system based on 16S rRNA gene. Tonsillar bacterial diversity was higher in IgAN than in other glomerular diseases, although it did not differ from that of healthy controls. Principal coordinates analysis revealed differences between the tonsillar microbiota of IgAN and both healthy and disease controls. The proportions of Rahnella, Ruminococcus_g2, and Clostridium_g21 were significantly higher in patients with IgAN than in healthy controls (corrected p < 0.05). The relative abundances of several taxa were correlated with the estimated glomerular filtration rate, blood urea nitrogen, haemoglobin, and serum albumin levels. Based on our findings, tonsillar microbiota may be associated with clinical features and possible immunologic pathogenesis of IgAN.

Indexed as

AdultBacteriaBacterial ProteinsCase-Control StudiesFemaleGene Expression ProfilingGlomerulonephritis, IGAHumansKidney DiseasesMaleMiddle AgedPalatine TonsilRNA, Ribosomal, 16SBacterial ProteinsRNA, Ribosomal, 16S

Identifiers

PMID33004860
PMCPMC7530979
OpenAlexW3089353015

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Registered trials

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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.