Evidence map›Paper›PMID 31363996›Full record

ReviewAdvances in therapy2019

The Proteins of Keratoconus: a Literature Review Exploring Their Contribution to the Pathophysiology of the Disease.

Eleftherios Loukovitis, Nikolaos Kozeis, Zisis Gatzioufas, Athina Kozei, Eleni Tsotridou, Maria Stoila, Spyros Koronis, Konstantinos Sfakianakis, Paris Tranos, Miltiadis Balidis and 5 more

Open access · hybridAbstract readReview
In one paragraph

Review in Advances in therapy, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 2 pooled it
5.1field-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

23 citing papers in PubMed, 2 syntheses or guidelines pooled it, 52 citations in OpenAlex.

  1. Pooled it
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  15. The Underlying Relationship between Keratoconus and Down Syndrome.International journal of molecular sciences · 2022
    Review
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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

15 authors at 5 institutions in 2 countries.

Eleftherios LoukovitisHellenic Army Medical Corps, Thessaloniki, Greece.
Nikolaos KozeisOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Zisis GatzioufasAugenklinik, Hornhaut, Katarakt und Refractive Chirurgie, Universitaetsspital Basel, Mittlere Strasse 91, 4031, Basel, Switzerland.
Athina KozeiOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Eleni TsotridouOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Maria StoilaOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Spyros KoronisOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Konstantinos SfakianakisDivision of Surgical Anatomy, Laboratory of Anatomy, Medical School, Democritus University of Thrace, University Campus, 68100, Alexandroupolis, Greece.
Paris TranosOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Miltiadis BalidisOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Zacharias ZachariadisOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Dimitrios G Mikropoulos1st and 3rd University Departments of Ophthalmology, Aristotle University, Thessaloniki, Greece.
George AnogeianakisOphthalmica Eye Institute, Vas Olgas 196 and Ploutonos 27, 54655, Thessaloniki, Greece.
Andreas KatsanosDepartment of Ophthalmology, University of Ioannina, Ioannina, Greece.
Anastasios G Konstas1st and 3rd University Departments of Ophthalmology, Aristotle University, Thessaloniki, Greece. konstas@med.auth.gr.
Athens Eye Hospital · GRAristotle University of Thessaloniki · GRDemocritus University of Thrace · GRUniversity of Ioannina · GRUniversity of Nicosia · CY

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionKeratoconus (KC) is a complex, genetically heterogeneous multifactorial degenerative disorder characterized by corneal ectasia and thinning. Its incidence is approximately 1/2000-1/50,000 in the general population. KC is associated with moderate to high myopia and irregular astigmatism, resulting in severe visual impairment. KC structural abnormalities primarily relate to the weakening of the corneal collagen. Their understanding is crucial and could contribute to effective management of the disease, such as with the aid of corneal cross-linking (CXL). The present article critically reviews the proteins involved in the pathophysiology of KC, with particular emphasis on the characteristics of collagen that pertain to CXL.

methodsPubMed, MEDLINE, Google Scholar and GeneCards databases were screened for relevant articles published in English between January 2006 and June 2018. Keyword combinations of the words "keratoconus," "risk factor(s)," "genetics," "genes," "genetic association(s)," "proteins", "collagen" and "cornea'' were used. In total, 272 articles were retrieved, reviewed and selected, with greater weight placed on more recently published evidence. Based on the reviewed literature, an attempt was made to tabulate the up- and down-regulation of genes involved in KC and their protein products and to delineate the mechanisms involved in CXL.

resultsA total of 117 proteins and protein classes have been implicated in the pathogenesis and pathophysiology of KC. These have been tabulated in seven distinct tables according to their gene coding, their biochemistry and their metabolic control.

conclusionThe pathogenesis and pathophysiology of KC remain enigmatic. Emerging evidence has improved our understanding of the molecular characteristics of KC and could further improve the success rate of CXL therapies.

Indexed as

AdultCorneaFemaleHumansKeratoconusMaleRisk FactorsVisual AcuityCollagenCorneal biomechanical characteristicsCorneal cross-linkingCXLEctasiaKeratoconus proteinsOphthalmology

Identifiers

PMID31363996
PMCPMC6822850
OpenAlexW2966690014

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.