July 2018
Volume 59, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2018
Photoreceptor metabolic and redox signaling in health & disease
Author Affiliations & Notes
  • Thierry D. Leveillard
    Institut De La Vision, Paris, France
  • Footnotes
    Commercial Relationships   Thierry Leveillard, SparingVision (E), SparingVision (C)
  • Footnotes
    Support  Institut national de la santé et de la recherche médicale, Université Pierre & Marie Curie, Centre national de la recherche scientifique, Agence Nationale de la recherche, European commission, Fondation pour la recherche médicale, Fondation Voir & Entendre, Foundation fighting blindness
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 5999. doi:
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    • Get Citation

      Thierry D. Leveillard; Photoreceptor metabolic and redox signaling in health & disease. Invest. Ophthalmol. Vis. Sci. 2018;59(9):5999.

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      © ARVO (1962-2015); The Authors (2016-present)

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Presentation Description : The trophic factor RdCVF is translated and secreted by rod cells from a messenger RNA with intron retention of the nucleoredoxin-like (NXNL1) gene as an inactive truncated thioredoxin that stimulates aerobic glycolysis in cones for their outer segment renewal via binding to its cell surface receptor BSG1, a photoreceptor specific splicing variant of the basigin gene. The action of the thioredoxin RdCVFL, expressed by both rods and cones, relies on NADPH produced from the metabolism of glucose through the pentose phosphate pathway. The model explains adequately why cone outer segments shorten after rod degeneration in retinitis pigmentosa and why non functional cone cell bodies persist for years in these patients, before cones die.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.


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