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Retinal pigment epithelium-specific CLIC4 mutant is a mouse model of dry age-related macular degeneration

Author

Listed:
  • Jen-Zen Chuang

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine)

  • Nan Yang

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine)

  • Nobuyuki Nakajima

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine
    Tokai University)

  • Wataru Otsu

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine
    Gifu Pharmaceutical University)

  • Cheng Fu

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine)

  • Howard Hua Yang

    (National Cancer Institute, National Institutes of Health)

  • Maxwell Ping Lee

    (National Cancer Institute, National Institutes of Health)

  • Armaan Fazal Akbar

    (National institute of Health)

  • Tudor Constantin Badea

    (National institute of Health
    Transilvania University of Brasov, School of Medicine)

  • Ziqi Guo

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine)

  • Afnan Nuruzzaman

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine)

  • Kuo-Shun Hsu

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine
    Sloan Kettering Cancer Institute)

  • Joshua L. Dunaief

    (University of Pennsylvania)

  • Ching-Hwa Sung

    (Margaret M. Dyson Vision Research Institute, Weill Cornell Medicine
    Weill Cornell Medicine)

Abstract

Age-related macular degeneration (AMD) is the leading cause of blindness among the elderly. Dry AMD has unclear etiology and no treatment. Lipid-rich drusen are the hallmark of dry AMD. An AMD mouse model and insights into drusenogenesis are keys to better understanding of this disease. Chloride intracellular channel 4 (CLIC4) is a pleomorphic protein regulating diverse biological functions. Here we show that retinal pigment epithelium (RPE)-specific Clic4 knockout mice exhibit a full spectrum of functional and pathological hallmarks of dry AMD. Multidisciplinary longitudinal studies of disease progression in these mice support a mechanistic model that links RPE cell-autonomous aberrant lipid metabolism and transport to drusen formation.

Suggested Citation

  • Jen-Zen Chuang & Nan Yang & Nobuyuki Nakajima & Wataru Otsu & Cheng Fu & Howard Hua Yang & Maxwell Ping Lee & Armaan Fazal Akbar & Tudor Constantin Badea & Ziqi Guo & Afnan Nuruzzaman & Kuo-Shun Hsu &, 2022. "Retinal pigment epithelium-specific CLIC4 mutant is a mouse model of dry age-related macular degeneration," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-021-27935-9
    DOI: 10.1038/s41467-021-27935-9
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