Neurospheres obtained from the ciliary margin of the chicken eye possess positional values and retinal ganglion cells differentiated from them respond to EphA/ephrin-A system.
Sign Up to like & getrecommendations! Published in 2022 at "Experimental eye research"
DOI: 10.1016/j.exer.2022.108965
Abstract: In the Central Nervous System (CNS) there are some niches of undifferentiated, neural progenitor/stem cells that produce active neurogenesis originating functionally integrated neurons. In the chicken eye, there is a neurogenic niche in the ciliary… read more here.
Keywords: system; positional values; ciliary margin; respond ... See more keywords
Sonic Hedgehog Signaling in Limb Development
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers in Cell and Developmental Biology"
DOI: 10.3389/fcell.2017.00014
Abstract: The gene encoding the secreted protein Sonic hedgehog (Shh) is expressed in the polarizing region (or zone of polarizing activity), a small group of mesenchyme cells at the posterior margin of the vertebrate limb bud.… read more here.
Keywords: positional values; limb; antero posterior; limb bud ... See more keywords