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Neurulation

NC cells

Fate map of NC cells

Multi-step process of NC induction

EMT

D. Montell

Page 9: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Migratory routes of neural crest cells

1 - Sympathetic ganglia 2 - Sensory ganglia

3 - melanocytes

Page 10: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Migration of cranial NC cells into branchial arches

from Scott Fraser, CalTech

Page 11: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Migration of NC cells from r6 rhombomere

from Scott Fraser, CalTech

Page 12: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

The hindbrain

Page 13: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Page 14: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Lineage analysis

Page 15: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

Factor

Cell type

Transcription factor

? BMP2/4 GGF WntTGF-β ?

Sensory neurons

Autonomicneurons

Schwanncells

Pigmentcells

Smoothmuscle Cartilage

bHLH proneuralNeuroDNeurogenin

Mash1 Oct-6 nacred/eHAND SOX9

Multipotent neural crest progenitor

Page 16: Neurulation - Brandeis Life Sci Powerpoints/Neural_Crest.pdfNeurulation. NC cells. Fate map of NC cells. Multi-step process of NC induction. EMT D. Montell. Migratory routes of neural

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