Photobiology of lipofuscin granules in the retinal pigment epithelium cells of the eye: norm, pathology, age

TB Feldman, AE Dontsov, MA Yakovleva… - Biophysical …, 2022 - Springer
Lipofuscin granules (LGs) are accumulated in the retinal pigment epithelium (RPE) cells.
The progressive LG accumulation can somehow lead to pathology and accelerate the aging …

[HTML][HTML] In vivo multimodal retinal imaging of disease-related pigmentary changes in retinal pigment epithelium

RK Meleppat, KE Ronning, SJ Karlen, ME Burns… - Scientific reports, 2021 - nature.com
Melanosomes, lipofuscin, and melanolipofuscin are the three principal types of pigmented
granules found in retinal pigment epithelium (RPE) cells. Changes in the density of …

[HTML][HTML] Retinal Pigment Epithelium Pigment Granules: Norms, Age Relations and Pathology

A Dontsov, M Ostrovsky - International Journal of Molecular Sciences, 2024 - mdpi.com
The retinal pigment epithelium (RPE), which ensures the normal functioning of the neural
retina, is a pigmented single-cell layer that separates the retina from the Bruch's membrane …

[HTML][HTML] Understanding the Mechanism of Light-Induced Age-Related Decrease in Melanin Concentration in Retinal Pigment Epithelium Cells

AE Dontsov, MA Yakovleva, AA Vasin, AA Gulin… - International Journal of …, 2023 - mdpi.com
It is known that during the process of aging, there is a significant decrease in the number of
melanosomes in the retinal pigment epithelium (RPE) cells in the human eye. Melanosomes …

[HTML][HTML] Increased oxidative stress in asthma—Relation to inflammatory blood and lung biomarkers and airway remodeling indices

S Bazan-Socha, K Wójcik, M Olchawa, T Sarna, J Pięta… - Biomedicines, 2022 - mdpi.com
Airway inflammation in asthma is related to increased reactive oxygen species generation,
potentially leading to tissue injury and subsequent airway remodeling. We evaluated …

[HTML][HTML] Is there an optimal combination of AREDS2 antioxidants zeaxanthin, vitamin E and vitamin C on light-induced toxicity of vitamin a aldehyde to the retina?

MB Różanowska, B Czuba-Pełech, B Różanowski - Antioxidants, 2022 - mdpi.com
Vitamins C and E and zeaxanthin are components of a supplement tested in a large clinical
trial—Age-Related Eye Disease Study 2 (AREDS2)—and it has been demonstrated that they …

[HTML][HTML] Removal of RPE lipofuscin results in rescue from retinal degeneration in a mouse model of advanced Stargardt disease: Role of reactive oxygen species

Y Fang, T Taubitz, AV Tschulakow… - Free Radical Biology …, 2022 - Elsevier
Accumulation of lipofuscin in the retinal pigment epithelium (RPE) is a hallmark of aging and
is associated with retinal degeneration encountered in age-related macular degeneration …

[HTML][HTML] Comparison of antioxidant properties of dehydrolutein with lutein and zeaxanthin, and their effects on cultured retinal pigment epithelial cells

MB Różanowska, B Czuba-Pelech, JT Landrum… - Antioxidants, 2021 - mdpi.com
Dehydrolutein accumulates in substantial concentrations in the retina. The aim of this study
was to compare antioxidant properties of dehydrolutein with other retinal carotenoids, lutein …

The role of singlet oxygen in photoreactivity and phototoxicity of curcumin

A Wolnicka‐Glubisz, M Olchawa… - Photochemistry and …, 2023 - Wiley Online Library
Curcumin is a plant‐derived yellow‐orange compound widely used as a spice, dye and food
additive. It is also believed to have therapeutic effects against different disorders. On the …

[HTML][HTML] Photodegradation of Lipofuscin in Suspension and in ARPE-19 Cells and the Similarity of Fluorescence of the Photodegradation Product with Oxidized …

MB Różanowska, B Różanowski - International Journal of Molecular …, 2022 - mdpi.com
Retinal lipofuscin accumulates with age in the retinal pigment epithelium (RPE), where its
fluorescence properties are used to assess retinal health. It was observed that there is a …