Evidence map›Paper›PMID 21179490›Full record

ArticlePloS one2010

Vitamin D induction of the human antimicrobial Peptide cathelicidin in the urinary bladder.

Olof Hertting, Åsa Holm, Petra Lüthje, Hanna Brauner, Robert Dyrdak, Aino Fianu Jonasson, Peter Wiklund, Milan Chromek, Annelie Brauner

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed, 2 pooled it
4.9field-weighted citation impact, top 5% 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

71 citing papers in PubMed, 2 syntheses or guidelines pooled it, 142 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Relationship between vitamin D status and the vaginal microbiome during pregnancy.Journal of perinatology : official journal of the California Perinatal Association · 2019
    Trial
  5. Review
  6. Article
  7. Article
  8. Article
  9. Combating Bacterial Infections with Vitamin D-Induced Antimicrobial Peptides.Advances in experimental medicine and biology · 2026
    Review
  10. Review
  11. Review
  12. Association between vitamin D levels and urinary tract infections.Caspian journal of internal medicine · 2025
    Article
  13. Review
  14. Review
  15. Review
  16. Cholecalciferol Exhibits no Antibacterial Effect onRecent advances in anti-infective drug discovery · 2024
    Article
  17. Article
  18. Review
  19. Review
  20. Article

11 more citing papers are in PubMed but not listed here.

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

9 authors at 2 institutions in 1 country.

Olof HerttingDepartment of Microbiology, Tumor and Cell Biology, Division of Clinical Microbiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.
Åsa Holm
Petra Lüthje
Hanna Brauner
Robert Dyrdak
Aino Fianu Jonasson
Peter Wiklund
Milan Chromek
Annelie Brauner
Karolinska Institutet · SEKarolinska University Hospital · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The urinary tract is frequently being exposed to potential pathogens and rapid defence mechanisms are therefore needed. Cathelicidin, a human antimicrobial peptide is expressed and secreted by bladder epithelial cells and protects the urinary tract from infection. Here we show that vitamin D can induce cathelicidin in the urinary bladder. We analyzed bladder tissue from postmenopausal women for expression of cathelicidin, before and after a three-month period of supplementation with 25-hydroxyvitamin D3 (25D3). Cell culture experiments were performed to elucidate the mechanisms for cathelicidin induction. We observed that, vitamin D per se did not up-regulate cathelicidin in serum or in bladder tissue of the women in this study. However, when the bladder biopsies were infected with uropathogenic E. coli (UPEC), a significant increase in cathelicidin expression was observed after 25D3 supplementation. This observation was confirmed in human bladder cell lines, even though here, cathelicidin induction occurred irrespectively of infection. Vitamin D treated bladder cells exerted an increased antibacterial effect against UPEC and colocalization to cathelicidin indicated the relevance of this peptide. In the light of the rapidly growing problem of resistance to common urinary tract antibiotics, we suggest that vitamin D may be a potential complement in the prevention of UTI.

Indexed as

Gene Expression Regulation25-Hydroxyvitamin D3 1-alpha-HydroxylaseAgedAntimicrobial Cationic PeptidesCalcifediolCathelicidinsFemaleHumansMiddle AgedPostmenopauseUrinary BladderUrinary TractUrinary Tract InfectionsUropathogenic Escherichia coliVitamin D25-Hydroxyvitamin D3 1-alpha-HydroxylaseAntimicrobial Cationic PeptidesCalcifediolCathelicidinsVitamin D

Identifiers

PMID21179490
PMCPMC3001888
OpenAlexW2100619530

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.