Evidence map›Paper›PMID 28074469›Full record

ArticleThe Journal of comparative neurology2019

Development of cone photoreceptors and their synapses in the human and monkey fovea.

Anita Hendrickson, Chi Zhang

Open access · greenAbstract read
In one paragraph

Article in The Journal of comparative neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 22% 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

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Dynamic changes in ocular shape during human development and its implications for retina fovea formation.BioEssays : news and reviews in molecular, cellular and developmental biology · 2024
    Pooled it
  2. Article
  3. Convergent re-evolution of CNS structures: focus on the fovea.Current opinion in genetics & development · 2026
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Cellular and circuit remodeling of the primate foveal midget pathway after acute photoreceptor loss.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  10. Evolutionary and developmental specialization of foveal cell types in the marmoset.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  11. Article
  12. Article
  13. Choroidal Changes in Rhesus Macaques in Aging and Age-Related Drusen.Investigative ophthalmology & visual science · 2023
    Article
  14. Foveal Cone Structure in Patients With Blue Cone Monochromacy.Investigative ophthalmology & visual science · 2022
    Article
  15. Insights into the developing fovea revealed by imaging.Progress in retinal and eye research · 2022
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. MicroRNA Signatures of the Developing Primate Fovea.Frontiers in cell and developmental biology · 2021
    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

2 authors at 1 institution in 1 country.

Anita HendricksonDepartment of Ophthalmology, University of Washington, Seattle, Washington.ORCID 0000-0001-8081-1265
Chi ZhangDepartment of Biological Structure, University of Washington, Seattle, Washington.
University of Washington · US

Funding

Vision Research CoreP30EY001730 · NEI · UNIVERSITY OF WASHINGTON · PI JAMES Bryant HURLEY · 1985 to 2026
$23.5M
NEI NIH HHS P30 EY001730
6 · The paper itself

Abstract

During retinal development, ribbon synapse assembly in the photoreceptors is a crucial step involving numerous molecules. While the developmental sequence of plexiform layers in human retina has been characterized, the molecular steps of synaptogenesis remain largely unknown. In the present study, we focused on the central rod-free region of primate retina, the fovea, to specifically investigate the development of cone photoreceptor ribbon synapses. Immunocytochemistry and electron microscopy were utilized to track the expression of photoreceptor transduction proteins and ribbon and synaptic markers in fetal human and Macaca retina. Although the inner plexiform layer appears earlier than the outer plexiform layer, synaptic proteins, and ribbons are first reliably recognized in cone pedicles. Markers first appear at fetal week 9. Both short (S) and medium/long (M/L) wavelength-selective cones express synaptic markers in the same temporal sequence; this is independent of opsin expression which takes place in S cones a month before M/L cones. The majority of ribbon markers, presynaptic vesicular release and postsynaptic neurotransduction-related machinery is present in both plexiform layers by fetal week 13. By contrast, two crucial components for cone to bipolar cell glutamatergic transmission, the metabotropic glutamate receptor 6 and voltage-dependent calcium channel α1.4, are not detected until fetal week 22 when bipolar cell invagination is present in the cone pedicle. These results suggest an intrinsically programmed but nonsynchronous expression of molecules in cone synaptic development. Moreover, functional ribbon synapses and active neurotransmission at foveal cone pedicles are possibly present as early as mid-gestation in human retina.

Indexed as

AnimalsFetusFovea CentralisHumansMacaca fascicularisNeurogenesisRetinal Cone Photoreceptor CellsSynapseselectron microscopyimmunocytochemistryMacacaretinaRRID: AB_10000343RRID: AB_10746416RRID: AB_1860018RRID: AB_2092368RRID: AB_2253622RRID: AB_2279325RRID: AB_2314216RRID: AB_2314780RRID: AB_2314792RRID: AB_2315298RRID: AB_2315389/91RRID: AB_2631101RRID: AB_2631102RRID: AB_399431RRID: AB_477523RRID: AB_887877RRID: AB_94284RRID: AB_94671

Identifiers

PMID28074469
PMCPMC6529189
OpenAlexW2578645012

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.