Evidence map›Paper›PMID 34126080›Full record

ReviewExperimental eye research2021

Inherited cataracts: Genetic mechanisms and pathways new and old.

Alan Shiels, J Fielding Hejtmancik

Open access · bronzeAbstract readReview
In one paragraph

Review in Experimental eye research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
4.3field-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

52 citing papers in PubMed, 81 citations in OpenAlex.

  1. Article
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  3. Review
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  5. Review
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  7. Connexin50 hemichannels are opened by COFrontiers in physiology · 2026
    Article
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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

2 authors at 1 institution in 1 country.

Alan ShielsOphthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA. Electronic address: shiels@vision.wustl.edu.
J Fielding HejtmancikOphthalmic Genetics and Visual Function Branch, National Eye Institute, National Institutes of Health, Bethesda, MD, 20892-1860, USA. Electronic address: hejtmancikj@nei.nih.gov.
National Eye Institute · US

Funding

Clinical/molecular Studies In Families With Congenital Or Hereditary CataractsZIAEY000281 · NEI · NATIONAL EYE INSTITUTE · PI HEJTMANCIK, JAMES F. · 2009 to 2025
$18.1M
INHERITED OCULAR DISEASESZ01EY000272 · NEI · NATIONAL EYE INSTITUTE · PI HEJTMANCIK, JAMES F. · 1991 to 2008
$4.8M
TRP-CHANNELS IN LENS DEVELOPMENT AND CATARACTR01EY028899 · NEI · WASHINGTON UNIVERSITY · PI SHIELS, ALAN · 2019 to 2023
$1.9M
Clinical/molecular Study In Congenital/Heredity CataractZ01EY000281 · NEI · NATIONAL EYE INSTITUTE · PI HEJTMANCIK, JAMES F. · 1993 to 2008
$1.8M
Intramural NIH HHS Z01 EY000272Intramural NIH HHS Z01 EY000281NEI NIH HHS R01 EY028899
6 · The paper itself

Abstract

Cataract(s) is the clinical equivalent of lens opacity and is caused by light scattering either by high molecular weight protein aggregates in lens cells or disruption of the lens microarchitecture itself. Genetic mutations underlying inherited cataract can provide insight into the biological processes and pathways critical for lens homeostasis and transparency, classically including the lens crystallins, connexins, membrane proteins or components, and intermediate filament proteins. More recently, cataract genes have been expanded to include newly identified biological processes such as chaperone or protein degradation components, transcription or growth factors, channels active in the lens circulation, and collagen and extracellular matrix components. Cataracts can be classified by age, and in general congenital cataracts are caused by severe mutations resulting in major damage to lens proteins, while age related cataracts are associated with variants that merely destabilize proteins thereby increasing susceptibility to environmental insults over time. Thus there might be separate pathways to opacity for congenital and age-related cataracts whereby congenital cataracts induce the unfolded protein response (UPR) and apoptosis to destroy the lens microarchitecture, while in age related cataract high molecular weight (HMW) aggregates formed by denatured crystallins bound by α-crystallin result in light scattering without severe damage to the lens microarchitecture.

Indexed as

MutationAnimalsCataractConnexinsCrystallinsDisease Models, AnimalDNADNA Mutational AnalysisHumansIntermediate Filament ProteinsLens, CrystallineMembrane ProteinsConnexinsCrystallinsDNAIntermediate Filament ProteinsMembrane ProteinsCataractCrystallinGeneticsLens

Identifiers

PMID34126080
PMCPMC8595562
OpenAlexW3170146001

What OpenQuestion holds

Textmetadata
LicenceTDM
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.