2014
DOI: 10.1167/iovs.14-14802
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Quantitative Autofluorescence and Cell Density Maps of the Human Retinal Pigment Epithelium

Abstract: Digital maps of quantitative AF, cell density, and packing geometry provide metrics for cellular-resolution clinical imaging and model systems. The uncoupling of RPE LF content, cell number, and photoreceptor topography in aging challenges LF's role in AMD.

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Cited by 194 publications
(254 citation statements)
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“…In our in vivo study, we show that after LED exposure, a disorganization of the actin cytoskeleton and a disruption of tight junctions with an infiltration of albumin in the outer retina, indicating a permeabilization of the outer BRB, a feature seen in common retinopathies (diabetic retinopathy, for instance) 29. Moreover, we found early formations of polynucleated cells and an increase of the cells size both features related to ageing of the RPE cells 44, 45.…”
Section: Discussionsupporting
confidence: 54%
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“…In our in vivo study, we show that after LED exposure, a disorganization of the actin cytoskeleton and a disruption of tight junctions with an infiltration of albumin in the outer retina, indicating a permeabilization of the outer BRB, a feature seen in common retinopathies (diabetic retinopathy, for instance) 29. Moreover, we found early formations of polynucleated cells and an increase of the cells size both features related to ageing of the RPE cells 44, 45.…”
Section: Discussionsupporting
confidence: 54%
“…These oxidized lipids are known to increase lipofuscin production in RPE leading to photo‐sensibilization 45, inhibition of lysosomal enzymes 70 leading to an inhibition of autophagy and to an ageing of the RPE cells, all features found in AMD 71.…”
Section: Discussionmentioning
confidence: 99%
“…Das Phänomen einer RPE-Zelldichteänderung während des normalen Alterns wurde mehrfach in der Literatur beschrieben (eine Zusammenfassung für den interessierten Leser bietet Tabelle S3 in Ach et al [1]), jedoch offenbaren sich bei genauer Betrachtung der Arbeiten verschiedene Probleme: geringe Probenanzahl, große Spanne der Post-mortemZeiten der Gewebeproben, unterschiedliche Methoden in der Gewebepräparation und Analyse und v. a. die oftmals nicht exakte Definition der retinalen Messorte. Insbesondere letzter Punkt ist essenziell, da sich die RPE-Zelldichte mit zunehmender Entfernung von der Fovea (= Ort höchster RPE-Zelldichte) in Richtung Perifovea und Peripherie deutlich ändert und vermindert [1].…”
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“…Insbesondere letzter Punkt ist essenziell, da sich die RPE-Zelldichte mit zunehmender Entfernung von der Fovea (= Ort höchster RPE-Zelldichte) in Richtung Perifovea und Peripherie deutlich ändert und vermindert [1]. Abweichungen von nur 1-2 mm haben hier merkliche Auswirkungen auf die Zelldichtebestimmung.…”
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