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Published byValentine Craig Modified over 9 years ago
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Vertebrate Embryonic Patterning 5 Neural Crest
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Neural Crest Cells
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Neural Crest Derivatives Two major divisions Cranial Trunk PNS Endocrine Melanocytes Facial Cartilage Connective Tissue
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Trunk Neural Crest
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Neural Crest Cells Stain Positive for ECM Protein HNK-1 RhoB HNK-1
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Migratory Pathways of Neural Crest ephrins expressed in posterior compartment of somite
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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
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Ephrins Repulse Axon Growth
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Signals from the Floorplate Induce Axon Migration
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Netrin Induces Commissural Axon Growth
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Semaphorins Repulse Axons
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Axonal Guidance in Invertebrates
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Eph RTK & Ephrins Regulate Retinotectal Patterning
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