Evidence map›Paper›PMID 31673022›Full record

ArticleScientific reports2019

Correlation of axial length and myopic macular degeneration to levels of molecular factors in the aqueous.

Chee Wai Wong, Yasuo Yanagi, Andrew Shih Hsiang Tsai, Waseem Ahamed Shihabuddeen, Ning Cheung, Shu Yen Lee, Jost B Jonas, Chui Ming Gemmy Cheung

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
2.0field-weighted citation impact, top 15% 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

13 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. [Assessment of myopia progression].Die Ophthalmologie · 2025
    Review
  3. Article
  4. Article
  5. Molecular changes in intraocular fluid: implications for myopia.International journal of biological sciences · 2024
    Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. IMI Pathologic Myopia.Investigative ophthalmology & visual science · 2021
    Review
  12. Article
  13. 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 3 institutions in 2 countries.

Chee Wai WongSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore.
Yasuo YanagiSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore.
Andrew Shih Hsiang TsaiDepartment of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University, Mannheim, Germany.
Waseem Ahamed ShihabuddeenSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore.
Ning CheungSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore.
Shu Yen LeeSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore.
Jost B JonasDepartment of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University, Mannheim, Germany.ORCID http://orcid.org/0000-0003-2972-5227
Chui Ming Gemmy CheungSingapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore. gemmy.cheung.c.m@snec.com.sg.ORCID http://orcid.org/0000-0003-3358-3516
National University of Singapore · SGHeidelberg University · DESingapore National Eye Center · SG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To elucidate the molecular processes associated with the development of myopic macular degeneration (MMD), we measured the intraocular concentrations of molecular factors in emmetropic and myopic eyes. This is a retrospective clinic-based case-control study that included eyes undergoing routine cataract surgery whereby aqueous humour samples were obtained. We measured the concentrations of pigment epithelium derived factor(PEDF), matrix metalloproteinase 2(MMP-2), tissue inhibitor of metalloproteinase(TIMP-2), vascular endothelial growth factor isoform A(VEGF-A), interleukin 8(IL-8), interleukin 6(IL-6), C-reactive protein(CRP), angiopoietin 2(Ang2), and amphiregulin. 38 eyes (axial length (AL): 22.4-32.4 mm), including 12 highly myopic (HM) eyes (AL ≥ 26.5 mm) without MMD and 12 HM eyes with MMD but without neovascularization were included. Eyes with MMD were found to have significantly lower VEGF-A levels (p = 0.007) and higher MMP-2 levels (p = 0.02) than control eyes after adjusting for age and gender. MMP-2 levels correlated positively (r = 0.58, p = 0.002), while VEGF-A levels correlated negatively with longer axial length (r = -0.75, p < 0.001). Both the concentrations of VEGF-A (P = 0.25) and MMP-2 (P = 0.69) were not significantly associated with MMD after adjusting for AL. These findings suggest that the predominant mechanism underlying the development of non-neovascular MMD may be axial elongation, driven in part by MMP-2 related mechanisms.

Indexed as

AgedCase-Control StudiesFemaleHumansMacular DegenerationMaleMiddle AgedMyopiaRetrospective Studies

Identifiers

PMID31673022
PMCPMC6823508
OpenAlexW2982532787

What OpenQuestion holds

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LicenceCC BY
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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.