ArticleInternational journal of molecular sciences2022
Water-Soluble Products of Photooxidative Destruction of the Bisretinoid A2E Cause Proteins Modification in the Dark.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Visual cycle-derived bisretinoids as endogenous natural products: enzyme-free formation, photochemical reactivity, and retinal degeneration.Natural product reports · 2026Review
- Spectral dependence of lipofuscin fluorescence lifetimes revealed by FLIM with a superconducting nanowire single-photon detector.Journal of biomedical optics · 2026Article
- Retinal Pigment Epithelium Pigment Granules: Norms, Age Relations and Pathology.International journal of molecular sciences · 2024Review
- Short-Term and Long-Term Effects after Exposure to Ionizing Radiation and Visible Light on Retina and Retinal Pigment Epithelium of Mouse Eye.International journal of molecular sciences · 2023Article
- Lipofuscin-Mediated Photic Stress Induces a Dark Toxic Effect on ARPE-19 Cells.International journal of molecular sciences · 2022Article
- Photobiology of lipofuscin granules in the retinal pigment epithelium cells of the eye: norm, pathology, age.Biophysical reviews · 2022Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Aging of the retina is accompanied by a sharp increase in the content of lipofuscin granules and bisretinoid A2E in the cells of the retinal pigment epithelium (RPE) of the human eye. It is known that A2E can have a toxic effect on RPE cells. However, the specific mechanisms of the toxic effect of A2E are poorly understood. We investigated the effect of the products of photooxidative destruction of A2E on the modification of bovine serum albumin (BSA) and hemoglobin from bovine erythrocytes. A2E was irradiated with a blue light-emitting diode (LED) source (450 nm) or full visible light (400-700 nm) of a halogen lamp, and the resulting water-soluble products of photooxidative destruction were investigated for the content of carbonyl compounds by mass spectrometry and reaction with thiobarbituric acid. It has been shown that water-soluble products formed during A2E photooxidation and containing carbonyl compounds cause modification of serum albumin and hemoglobin, measured by an increase in fluorescence intensity at 440-455 nm. The antiglycation agent aminoguanidine inhibited the process of modification of proteins. It is assumed that water-soluble carbonyl products formed as a result of A2E photodestruction led to the formation of modified proteins, activation of the inflammation process, and, as a consequence, to the progression of various senile eye pathologies.
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Registered trials
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