Induction of oligodendrocyte progenitors in the trunk neural tube by ventralizing signals: effects of notochord and floor plate grafts, and of sonic hedgehog

A series of normal stages in the development of the chick embryo

Viktor Hamburger, Howard L. Hamilton · Journal of Morphology · 1951 · 12.4K citations

Life Sciences, Biology, Developmental Biology +14

Sonic hedgehog mediates the polarizing activity of the ZPA

Robert D. Riddle, Randy L. Johnson, Ed Laufer et al. · Cell · 1993 · 2.3K citations

Life Sciences, Cell Biology, Developmental Biology +10

Sonic hedgehog, a member of a family of putative signaling molecules, is implicated in the regulation of CNS polarity

Yann Echelard, Douglas J. Epstein, Benoit St‐Jacques et al. · Cell · 1993 · 2.2K citations

Life Sciences, Neurobiology, Neuroscience +13

Monoclonal antibodies (O1 to O4) to oligodendrocyte cell surfaces: An immunocytological study in the central nervous system

I. Sommer, M. Schachner · Developmental Biology · 1981 · 1.1K citations

Medicine, Neurobiology, Neuroscience +7

A functionally conserved homolog of the Drosophila segment polarity gene hh is expressed in tissues with polarizing activity in zebrafish embryos

Jean‐Paul Concordet, Philip W. Ingham · Cell · 1993 · 1.1K citations

Life Sciences, Developmental Biology, Genetics +14