Evidence map›Paper›PMID 30976209›Full record

ArticleClinical proteomics2019

Age-associated changes in human tear proteome.

Janika Nättinen, Antti Jylhä, Ulla Aapola, Petri Mäkinen, Roger Beuerman, Juhani Pietilä, Anu Vaajanen, Hannu Uusitalo

Open access · goldAbstract read
In one paragraph

Article in Clinical proteomics, 2019. 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
6.0field-weighted citation impact, top 4% 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, 52 citations in OpenAlex.

  1. Review
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  7. Review
  8. The Role of the Ubiquitin System in Eye Diseases.Life (Basel, Switzerland) · 2025
    Review
  9. Review
  10. Exploring the Ocular Surface Microbiome and Tear Proteome in Glaucoma.International journal of molecular sciences · 2024
    Article
  11. Unraveling the Intraday Variations in the Tear Fluid Proteome.Investigative ophthalmology & visual science · 2024
    Article
  12. Article
  13. Article
  14. Article
  15. Normal and Sjogren's syndrome models of the murine lacrimal gland studied at single-cell resolution.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Clinical Tear Fluid Proteomics-A Novel Tool in Glaucoma Research.International journal of molecular sciences · 2022
    Review
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

8 authors at 2 institutions in 2 countries.

Janika Nättinen1SILK, Department of Ophthalmology, Faculty of Medicine and Health Technology, Tampere University, PL 100, 33014 Tampere, Finland.ORCID 0000-0002-7844-079X
Antti Jylhä1SILK, Department of Ophthalmology, Faculty of Medicine and Health Technology, Tampere University, PL 100, 33014 Tampere, Finland.
Ulla Aapola1SILK, Department of Ophthalmology, Faculty of Medicine and Health Technology, Tampere University, PL 100, 33014 Tampere, Finland.
Petri MäkinenSilmäasema Eye Hospital, Tampere, Finland.
Roger Beuerman1SILK, Department of Ophthalmology, Faculty of Medicine and Health Technology, Tampere University, PL 100, 33014 Tampere, Finland.
Juhani PietiläSilmäasema Eye Hospital, Tampere, Finland.
Anu Vaajanen5Tays Eye Centre, Tampere University Hospital, Tampere, Finland.
Hannu Uusitalo1SILK, Department of Ophthalmology, Faculty of Medicine and Health Technology, Tampere University, PL 100, 33014 Tampere, Finland.
Tampere University of Applied Sciences · FITampere University Hospital · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPrevalence of many eye and ocular surface diseases increases with age. While the clinical characteristics and pathophysiologic mechanisms of these conditions are often either known or extensively studied, the effects of normal aging on tear film and ocular surface have not been as widely researched.

methodsIn order to examine the effects of aging on tear fluid proteomics, tear fluid samples were collected preoperatively from 115 subjects undergoing strabismus or refractive surgery using glass microcapillary tubes. In addition to their refractive error or strabismus, the subjects did not have any other current, known eye diseases. The non-pooled samples were analysed using NanoLC-TripleTOF implementing a sequential window acquisition of all theoretical fragment ion spectra mass spectrometry, resulting in quantified data of 849 proteins.

resultsAccording to correlation results, 17 tear proteins correlated significantly with increased age and many of these proteins were connected to inflammation, immune response and cell death. According to enrichment analysis, growth and survival of cells decreased while immune response and inflammation increased with aging. We also discovered several well-known, activated and inhibited upstream regulators, e.g. NF-κB, which has been previously connected to aging in numerous previous studies.

conclusionsOverall, the results show the common age-dependent alterations in tear fluid protein profile, which demonstrate similar age-associated alterations of biological functions previously shown in other tissue and sample types.

Indexed as

AgingMass spectrometryOcular surfaceProteomicsSWATH-MSTear fluid

Identifiers

PMID30976209
PMCPMC6441198
OpenAlexW2942781639

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.