Photoperiodic regime influences onset of lens opacities in a non-human primate

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Dubicanac, Marko | Strueve, Julia | Mestre-Francés, Nadine | Verdier, Jean-Michel | Zimmermann, Elke | Joly, Marine

Edité par CCSD ; PeerJ -

International audience. Opacities of the lens are typical age-related phenomena which have a high influence on photoreception and consequently circadian rhythm. In mouse lemurs, a small bodied non-human primate, a high incidence (more than 50% when >seven years) of cataracts has been previously described during aging. Previous studies showed that photoperiodically induced accelerated annual rhythms alter some of mouse lemurs' life history traits. Whether a modification of photoperiod also affects the onset of age dependent lens opacities has not been investigated so far. The aim of this study was therefore to characterise the type of opacity and the mouse lemurs' age at its onset in two colonies with different photoperiodic regimen.

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