Evidence map›Paper›PMID 26392744›Full record

ArticleMolecular vision2015

Increased levels of extracellular ATP in glaucomatous retinas: Possible role of the vesicular nucleotide transporter during the development of the pathology.

María J Pérez de Lara, Ana Guzmán-Aránguez, Pedro de la Villa, Juan Ignacio Díaz-Hernández, María Teresa Miras-Portugal, Jesús Pintor

Open access · greenAbstract read
In one paragraph

Article in Molecular vision, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
4.5field-weighted citation impact, top 6% 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

24 citing papers in PubMed, 36 citations in OpenAlex.

  1. Review
  2. Article
  3. ATP-P2XJournal of neuroinflammation · 2023
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. Review
  10. Article
  11. Review
  12. Article
  13. Review
  14. Article
  15. Increased ApPurinergic signalling · 2018
    Article
  16. Novel Therapeutics in Glaucoma Management.Current neuropharmacology · 2018
    Review
  17. Article
  18. Review
  19. Review
  20. Article
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

6 authors at 1 institution in 1 country.

María J Pérez de LaraDepartamento de Bioquímica y Biología Molecular IV, Facultad Óptica, Universidad Complutense de Madrid, Madrid, Spain.
Ana Guzmán-AránguezDepartamento de Bioquímica y Biología Molecular IV, Facultad Óptica, Universidad Complutense de Madrid, Madrid, Spain.
Pedro de la VillaDepartmento de Biología de Sistemas, Facultad de Medicina, Universidad de Alcalá, Alcalá de Henares, Spain.
Juan Ignacio Díaz-HernándezDepartamento de Bioquímica y Biología Molecular IV, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain.
María Teresa Miras-PortugalDepartamento de Bioquímica y Biología Molecular IV, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain.
Jesús PintorDepartamento de Bioquímica y Biología Molecular IV, Facultad Óptica, Universidad Complutense de Madrid, Madrid, Spain.
Universidad Complutense de Madrid · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo study retinal extracellular ATP levels and to assess the changes in the vesicular nucleotide transporter (VNUT) expression in a murine model of glaucoma during the development of the disease.

methodsRetinas were obtained from glaucomatous DBA/2J mice at 3, 9, 15, and 22 months together with C57BL/6J mice used as age-matched controls. To study retinal nucleotide release, the retinas were dissected and prepared as flattened whole mounts and stimulated in Ringer buffer with or without 59 mM KCl. To investigate VNUT expression, sections of the mouse retinas were evaluated with immunohistochemistry and western blot analysis using newly developed antibodies against VNUT. All images were examined and photographed under confocal microscopy. Electroretinogram (ERG) recordings were performed on the C57BL/6J and DBA/2J mice to analyze the changes in the electrophysiological response; a decrease in the scotopic threshold response was observed in the 15-month-old DBA/2J mice.

resultsIn the 15-month-old control and glaucomatous mice, electrophysiological changes of 42% were observed. In addition, 50% increases in the intraocular pressure (IOP) were observed when the pathology was fully established. The responses in the retinal ATP net release as the pathology progressed varied from 0.32±0.04 pmol/retina (3 months) to 1.10±0.06 pmol/retina (15 months; threefold increase). Concomitantly, VNUT expression was significantly increased during glaucoma progression in the DBA/2J mice (58%) according to the immunohistochemical and western blot analysis.

conclusionsThese results may indicate a possible correlation between retinal dysfunction and increased levels of extracellular ATP and nucleotide transporter. These data support an excitotoxicity role for ATP via P2X7R in glaucoma. This modified cellular environment could contribute to explaining the functional and biochemical alterations observed during the development of the pathology.

Indexed as

Adenosine TriphosphateAgingAnimalsBiological TransportDisease Models, AnimalDisease ProgressionElectroretinographyFemaleGene ExpressionGlaucomaIntraocular PressureMiceMice, Inbred C57BLMice, Inbred DBANucleotide Transport ProteinsReceptors, Purinergic P2X7Adenosine TriphosphateNucleotide Transport ProteinsReceptors, Purinergic P2X7Slc17a9 protein, mouse

Identifiers

PMID26392744
PMCPMC4558477
OpenAlexW1275562696

What OpenQuestion holds

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LicenceCC BY-NC-ND
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.