Summary
This study molecularly characterizes retinal cell types in the sea lamprey, a model organism useful for understanding the evolutionary origins of melanopsin and ipRGC biology. Findings from lamprey retinal research can inform our fundamental understanding of how melanopsin-based photoreception—critical to circadian entrainment and the biological effects of lighting—evolved and functions.
Key Findings
- In humans, melanopsin is found in approximately 2% of retinal ganglion cells (ipRGCs), which respond to blue light wavelengths and function independently of interneurons.
- The study provides molecular validation of retinal cell types in sea lamprey as a comparative model for understanding ipRGC biology.
Categories
The Science of Light: Provides molecular characterization of melanopsin-containing retinal cells, relevant to understanding ipRGC biology and photoreceptor evolution.
Author(s)
A Pahlevan
Publication Year
2023
Related Publications
The Science of Light
- Phototransduction by retinal ganglion cells that set the circadian clock
- Color appearance models
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice
- Melanopsin is required for non-image-forming photic responses in blind mice