Evidence map›Paper›PMID 27054516›Full record

ArticleInvestigative ophthalmology & visual science2016

Effect of Penetrating Keratoplasty and Keratoprosthesis Implantation on the Posterior Segment of the Eye.

Alja Črnej, Masahiro Omoto, Thomas H Dohlman, Miguel Gonzalez-Andrades, Eleftherios I Paschalis, Andrea Cruzat, T H Khanh Vu, Marianne Doorenbos, Dong Feng Chen, Claes H Dohlman and 1 more

Open access · goldAbstract read
In one paragraph

Article in Investigative ophthalmology & visual science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.3field-weighted citation impact, top 13% 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

12 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Risk factors for early and late retinal detachment after boston type I keratoprosthesis surgery.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025
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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

11 authors at 3 institutions in 1 country.

Alja Črnej
Masahiro Omoto
Thomas H Dohlman
Miguel Gonzalez-Andrades
Eleftherios I Paschalis
Andrea Cruzat
T H Khanh Vu
Marianne Doorenbos
Dong Feng Chen
Claes H Dohlman
Reza Dana
Massachusetts Eye and Ear Infirmary · USSmith-Kettlewell Eye Research Institute · USHarvard University · US

Funding

MECHANISMS OF SENSITIZATION IN HIGH-RISK CORNEAL GRAFTSR01EY012963 · NEI · SCHEPENS EYE RESEARCH INSTITUTE · PI DANA, REZA · 2000 to 2025
$15.1M
NEI NIH HHS R01 EY012963NEI NIH HHS R01-EY 12963
6 · The paper itself

Abstract

purposeTo compare the effects of post-penetrating keratoplasty (PK) and post-keratoprosthesis (KPro) surgery-related inflammation on the posterior segment of the eye and to assess inhibition of tumor necrosis factor alpha (TNFα) and interleukin-1 beta (IL-1β) on these effects.

methodsBALB/C (syngeneic) or C57BL/6 (allogeneic) corneas were transplanted onto BALB/C host beds as part of PK or miniature KPro (m-KPro) implantation. Intraocular pressure (IOP) was measured via an intracameral pressure sensor; tissues were harvested and analyzed 8 weeks after surgery. Expression of TNFα and IL-1β in the retina was analyzed using real-time quantitative (q)PCR. Optic nerve degeneration (axon count, circularity, and area) was assessed quantitatively using ImageJ software. After m-KPro implantation, mice were treated with saline, anti-TNFα, or anti-IL-1β antibody, and axonal loss was assessed after 10 weeks.

resultsMean IOP was within normal limits in the operated and fellow eyes in all groups. The mRNA expression of TNFα and IL-1β was highest in m-KPro groups with either syngeneic or an allogeneic carrier. We observed optic nerve degeneration in both allogeneic PK and m-KPro implanted eyes with an allogeneic carrier. However, TNFα blockade significantly reduced axonal loss by 35%.

conclusionsAllogeneic PK and m-KPro implants with an allogeneic carrier lead to chronic inflammation in the posterior segment of the eye, resulting in optic nerve degeneration. In addition, blockade of TNFα prevents axonal degeneration in this preclinical model of allogeneic m-KPro (alloKPro) implantation.

Indexed as

Artificial OrgansCorneaAnimalsAxonsBioprosthesisGene ExpressionInterleukin-1betaIntraocular PressureKeratoplasty, PenetratingMaleMiceMice, Inbred BALB CMice, Inbred C57BLNerve DegenerationOptic Nerve DiseasesPosterior Eye SegmentInterleukin-1betaRNA, MessengerTumor Necrosis Factor-alpha

Identifiers

PMID27054516
PMCPMC4829084
OpenAlexW2328617048

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.