Development And Diversification Of Bipolar Interneurons In The Mammalian Retina
DEVELOPMENTAL BIOLOGY(2022)
Abstract
The bipolar interneurons of the mammalian retina have evolved as a diverse set of cells with distinct subtype characteristics, which reflect specialized contributions to visual circuitry. Fifteen subtypes of bipolar interneurons have been identified in the mouse retina, each with characteristic gene expression, morphology, and light responses. This review provides an overview of the developmental events that underlie the generation of the diverse bipolar cell class, summarizing the current knowledge of genetic programs that establish and maintain bipolar subtype fates, as well as the events that shape the final distribution of bipolar subtypes. With much left to be discovered, bipolar interneurons present an ideal model system for studying the interplay between cellautonomous and non-cell-autonomous mechanisms that influence neuronal subtype development within the central nervous system.
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Key words
Retina, Development, Bipolar interneuron, Bipolar cell, Retinal development
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