Cholesterol homeostasis in the nervous system and retinal pathologies: Role of cholesterol 24S-hydroxylase (CYP46A1)

  • Fourgeux, Cynthia
  • Martine, Lucy
  • Gambert, Ségolène
  • Bron, Alain
  • Creuzot Garcher, Catherine
  • Bretillon, Lionel
Publication date
December 2014
Publisher
Elsevier BV

Abstract

The retina is the neurosensory tissue at the posterior pole of the eye that encodes the visual transduction pathway, i.e. codes light into a nervous signal. The retina is the association of the neural retina and the retinal pigment epithelium that lays on Bruch's membrane. The physical association between these two partners and their metabolic interactions are required for the functioning of the retina, including the intake of nutrients in the retina and the maintenance of its homeostasis. Dysregulations of these equilibriums are involved in the aging processes and related diseases such as age-related macular degeneration, the leading cause of visual loss after the age of 50 years in Western populations. The retina is composed of various ce...

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