ArticleThe Histochemical journal1990
Ultrastructural localization of endogenous calcium in the teleost retina.
Article in The Histochemical journal, 1990. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
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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.
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Who cites it
3 citing papers in PubMed, 14 citations in OpenAlex.
- Ca2+ Diffusion through Endoplasmic Reticulum Supports Elevated Intraterminal Ca2+ Levels Needed to Sustain Synaptic Release from Rods in Darkness.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2015Article
- The molecular architecture of ribbon presynaptic terminals.Molecular neurobiology · 2009Review
- Calcium regulation in photoreceptors.Frontiers in bioscience : a journal and virtual library · 2002Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ultrastructural localization of endogenous calcium in the retina of adult cichlid fish Oreochromis mossambicus (Teleostei) was studied using the cytochemical osmiate-bichromate method of Probst (1986). The specificity of this method for calcium localization was proven by means of EGTA treatment of ultrathin sections and electron-spectroscopic-imaging technique (ESI) with an energy-filtering transmission electron microscope (CEM 902, Zeiss). Large amounts of electron-dense calcium containing deposits were found in the outer segments of rods, in the synaptic vesicles of receptor terminals and bipolar cells, in the perinuclear space of photoreceptors and in the endoplasmic reticulum of different cell types, especially in the inner segment and fibres of photoreceptor cells. In the inner plexiform layer calcium was detected in the extracellular space with greater accumulations in the synaptic cleft. Principal differences in the localization of calcium between rods and cones and between several types of synapses and vesicles are shown. The possible role of calcium in the subcellular structures of retinal cells is discussed.
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Registered trials
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.