Life sciences · 2021
Spontaneous fundus lesions in elderly monkeys: An ideal model for age-related macular degeneration and high myopia clinical research.
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Zeng Baozhu, Zhang Hening, Peng Yuting, Yu Huan, Li Weihua, Li Zhiquan, Xie Yaojue, Qiu Sujuan, Wu Peixin, Zhang Wang, Liu Yanwei, Chen Yanming, Liu Xing, Huang Bing
Аннотация
AIMS: Age-related macular degeneration (AMD) and high myopia are frequent causes of progressive visual impairment, so it is critical to identify animal models with resembling human retinal physiology, AMD and high myopia pathological features for therapeutic studies.
MAIN METHODS: We screened elderly cynomolgus monkeys for fundus lesions by slit-lamp biomicroscope combined with fundus pre-set lens and further examined positive cases by color fundus photography (CFP), optical coherence tomography (OCT), fundus fluorescein angiography (FFA), streak retinoscopy, and A-scan ultrasonography.
KEY FINDINGS: Among the 156 animals examined, 10 males and 5 females (30 eyes) exhibited fundus abnormalities (9.6% prevalence). Multi-modal imaging revealed drusen in 20 eyes of 11 animals (prevalence rate of 7.1%), tessellated fundus in 22 eyes of 11 animals, and myopia choroidal neovascularization (CNV) in 4 eyes of 3 animals.
SIGNIFICANCE: Aged cynomolgus monkeys exhibit spontaneous fundus lesions resembling human AMD and high myopia, which could be an ideal model for clinical research.
MAIN METHODS: We screened elderly cynomolgus monkeys for fundus lesions by slit-lamp biomicroscope combined with fundus pre-set lens and further examined positive cases by color fundus photography (CFP), optical coherence tomography (OCT), fundus fluorescein angiography (FFA), streak retinoscopy, and A-scan ultrasonography.
KEY FINDINGS: Among the 156 animals examined, 10 males and 5 females (30 eyes) exhibited fundus abnormalities (9.6% prevalence). Multi-modal imaging revealed drusen in 20 eyes of 11 animals (prevalence rate of 7.1%), tessellated fundus in 22 eyes of 11 animals, and myopia choroidal neovascularization (CNV) in 4 eyes of 3 animals.
SIGNIFICANCE: Aged cynomolgus monkeys exhibit spontaneous fundus lesions resembling human AMD and high myopia, which could be an ideal model for clinical research.