Extracellular Signals That Regulate the Tangential Migration of Olfactory Bulb Neuronal Precursors: Inducers, Inhibitors, and Repellents

Table 1.

Factors and drugs tested for their ability to alter migration from SVZ explants on PDL-plated dishes

Factors tested in migration on PDL Concentration
Bone morphogenic protein-7 50 ng/ml
Ciliary neurotrophic factor 50 ng/ml
Brain-derived neurotrophic factor 100 ng/ml
Neurotrophin-4 10, 100, 500 ng/ml
Epidermal growth factor 10, 50 ng/ml
Endothelial cell growth factor 20, 100 ng/ml
Keratinocyte growth factor 10, 100 ng/ml
Glial-derived neurotrophic factor 20 ng/ml
Granulocyte colony stimulating factor 10 U/ml
Granulocyte-macrophage colony stimulating factor 10 U/ml
Hepatocyte growth factor/scatter factor 100 ng/ml
Leukocyte inhibitory factor 10 ng/ml
Insulin-like growth factor-1 5, 50, 100 ng/ml
Platelet-derived growth factor B/B 5, 10, 20, 100, 200 ng/ml
Retinoic acid 100 nm
Stem cell factor 50 ng/ml
Transforming growth factor-α 5, 50 ng/ml
Transforming growth factor-β1 10 ng/ml
Tumor necrosis factor-α 5 ng/ml
Leupeptin 100 mm
High potassium (KCl) 25 mm
Tetraethylammonium 10 mm
2-Amino-5-phosphono-valerate 100 mm
Tetrodotoxin 1 mm
ω-Conotoxin 1 μm, 1 mm
Forskolin 5 μm
Pertussis toxin 100 ng/ml
  • All treatments were tested for changes in migration in serum-containing and serum-free medium (1 and 2 DIV). None of the treatments led to significant changes in migration.

  1. The Journal of Neuroscience vol. 21 no. 19 7654-7663
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