Dev Dyn 2001 Jun 01;2212:146-53. doi: 10.1002/dvdy.1145.

Becoming glial in the neural retina.

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During development of the vertebrate neural retina, multipotent stem cells give rise to retinal neurons as well as to Müller cells, the principal glial population in the retina. Recent studies have shed light upon the extracellular and intracellular signaling pathways that regulate Müller glial cell genesis. Emerging evidence demonstrates that activation of the Notch signaling pathway can play a role in regulating Müller cell development as well as gliogenesis in other parts of the central nervous system. Cyclin dependent kinase (CDK) inhibitors of the Cip/Kip subfamily are cell cycle regulators that can regulate progenitor proliferation during retinal development, but also regulate the proliferation of Müller glia when they become activated in response to stress or injury. Surprisingly this class of proteins can also promote the development of Müller glia. In this review we discuss the role of both Notch and the CDK inhibitors in regulating Müller cell development.

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Species referenced: Xenopus
Genes referenced: ascl1 atoh7 cdkn1a cdkn1b cdknx egfr hes1 hes5 hey2 neurog1 neurog2 notch1