Bisretinoid Photodegradation Is Likely Not a Good Thing.

Bisretinoid Photodegradation Is Likely Not a Good Thing.
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双维A酸光降解可能不是一件好事。

DOI:
10.1007/978-3-319-75402-4_49
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发表时间:
2018
影响因子:
--
通讯作者:
Sparrow,JanetR
Sparrow,JanetR
中科院分区:
医学4区
文献类型:
--
作者:
Ueda,Keiko;Kim,HyeJin;Zhao,Jin;Sparrow,JanetR

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视黄醛加合物(双类视黄酸)在视网膜色素上皮(RPE)细胞中作为脂褐素积累。双维甲酸与一些遗传性和年龄相关性黄斑变性有关,导致RPE细胞死亡和视力下降。通过比较白化病小鼠和黑眼小鼠,并通过在黑暗和循环光下饲养小鼠,证据表明双视黄酸荧光团在眼睛中发生光降解(上田等人,Proc Natl Acad Sci 113:6904-6909,2016)。鉴于光降解产物修饰和损害细胞和细胞外分子,这些过程可能对视网膜造成累积损伤。
Retinaldehyde adducts (bisretinoids) accumulate in retinal pigment epithelial (RPE) cells as lipofuscin. Bisretinoids are implicated in some inherited and age-related forms of macular degeneration that lead to the death of RPE cells and diminished vision. By comparing albino and black-eyed mice and by rearing mice in darkness and in cyclic light, evidence indicates that bisretinoid fluorophores undergo photodegradation in the eye (Ueda et al. Proc Natl Acad Sci 113:6904–6909, 2016). Given that the photodegradation products modify and impair cellular and extracellular molecules, these processes likely impart cumulative damage to retina.
DOI: 10.1167/iovs.10-5852
发表时间: 2010-09-01
影响因子: 4.4
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