Structures and biogenetic analysis of lipofuscin bis-retinoids

Structures and biogenetic analysis of lipofuscin bis-retinoids
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脂褐质双视黄醇的结构和生物遗传学分析

DOI:
10.1631/jzus.b1300051
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发表时间:
2013-09
期刊:
Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)
影响因子:
--
通讯作者:
Ke Yao
Ke Yao
中科院分区:
其他
文献类型:
--
作者:
Yalin Wu;Jie Li;Ke Yao

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年龄相关性黄斑变性(AMD)因其复杂的致病机制和罕见的病变部位,仍然是一种无法治愈的致盲眼病。随着化学生物学工具的使用,在提高对 AMD 发病机制的认识方面取得了巨大进展。 AMD 的严重程度至少部分与视网膜色素上皮 (RPE) 中不可降解的脂褐素双视黄醇有关。这种物质被认为是溶酶体残留体终生积累的结果,其中含有来自 RPE 细胞日常吞噬视杆外节的最终产物。在这里,我们介绍了先前公认的双视黄醇,重点关注其结构和生物合成途径。除了简要讨论双类维生素A的相互转化关系外,还强调了这些脂褐素成分的研究的未来前景和医学相关性。
Age-related macular degeneration (AMD) is still an incurable blinding eye disease because of complex pathogenic mechanisms and unusual diseased regions. With the use of chemical biology tools, great progress has been achieved in improving the understanding of AMD pathogenesis. The severity of AMD is, at least in part, linked to the non-degradable lipofuscin bis-retinoids in retinal pigment epithelial (RPE). This material is thought to result from the lifelong accumulation of lysosomal residual bodies containing the end products derived from the daily phagocytosis of rod outer segments by RPE cells. Here, we present previously recognized bis-retinoids with focus on structures and biosynthetic pathways. In addition to a brief discussion on the mutual conversion relationships of bis-retinoids, future perspectives and the medical relevance of such studies on these lipofuscin constituents are also highlighted.
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