Autophagy in the retina: a potential role in age-related macular degeneration.
Autophagy in the retina: a potential role in age-related macular degeneration.
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DOI:
10.1007/978-1-4614-0631-0_12
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发表时间:
2012
影响因子:
--
通讯作者:
Boulton, Michael E.
中科院分区:
文献类型:
--
作者:
Mitter, Sayak K.;Rao, Haripriya Vittal;Qi, Xiaoping;Cai, Jun;Sugrue, Andrew;Dunn, William A., Jr.;Grant, Maria B.;Boulton, Michael E.
关键词:
Age-related macular degeneration (AMD) is associated with multiple genetic and cellular defects which lead to a common endpoint, retinal degeneration. Aging and oxidative stress, significant features in the pathogenesis of AMD, are associated with an increase in damaged intracellular organelles and defective autophagy flux in a range of age-related and neurodegenerative diseases. Autophagy is a key process in maintenance of cellular homeostasis that serves to remove dysfunctional organelles and proteins. Autophagy proteins are strongly expressed in the retina and there is now strong evidence that mitochondrial damage and defective autophagy are a feature of the aging retina and that this is further exacerbated in AMD. It is apparent that autophagy makes a significant contribution to lipofuscin accumulation in the RPE. Pharmacological manipulation of autophagy may offer an alternative therapeutic target in AMD.
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