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Functional diversity of human intrinsically photosensitive retinal ganglion cells
Different functions of light-sensitive cells in the human eye
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Abstract
Three functional subtypes of intrinsically photosensitive retinal ganglion cells (ipRGCs) with distinct sensitivities to light were identified in human retinas.
- One ipRGC subtype's response may depend on external light-sensitive molecules, showing similarities between human and mouse retinas.
- Each ipRGC subtype integrates light signals from rods and cones differently.
- The findings suggest that functional diversity among ipRGCs exists in humans, paralleling previously described subtypes in rodents.
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