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Vertebrate Embryonic Patterning 5
Neural Crest
Neural Crest Cells
Neural Crest DerivativesTwo major divisionsCranialTrunk
PNS EndocrineMelanocytesFacial CartilageConnective Tissue
Trunk Neural Crest
Neural Crest Cells Stain Positive for ECM Protein HNK-1
RhoB
HNK-1
Migratory Pathways of Neural Crestephrins expressed in posterior
compartment of somite
Ephrin – Eph RTK Pathway Regulates NC Migration Through/Over Somites
Eph RTKs and ephrins appear to regulate boundary formation and cell-cell interactions in many regions of the embryo
Ephrins Repulse Axon Growth
Signals from the Floorplate Induce Axon Migration
Netrin Induces Commissural Axon Growth
Semaphorins Repulse Axons
Axonal Guidance in Invertebrates
Eph RTK & Ephrins Regulate Retinotectal
Patterning
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