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Substrate dependence of cell migration from explanted neural tubes in vitro
Cell and Tissue Research
|September 20, 1976
Summary
Collagen accelerates neural crest cell migration in vitro compared to plastic. This extracellular matrix material influences early cell movement and differentiation during embryonic development.
Area of Science:
- Developmental Biology
- Cell Biology
- Tissue Engineering
Background:
- Neural crest cells are crucial for embryonic development, contributing to various cell types.
- Understanding cell migration is key to comprehending morphogenesis and developmental processes.
Purpose of the Study:
- To investigate the effect of extracellular matrix components on neural crest cell migration.
- To compare cell migration on collagen versus standard tissue culture plastic.
Main Methods:
- In vitro culture of embryonic chick neural tubes.
- Quantification of the onset time and rate of cell migration.
- Cell identification via differentiation into melanocytes.
- Ablation experiments to assess cell origins.
Main Results:
- Cell migration initiated significantly earlier on collagen (4-6 hours) than on plastic.
- Collagen also induced earlier migration in non-neural crest cells.
- Neural crest cells on collagen eventually differentiated into melanocytes.
Conclusions:
- Extracellular materials like collagen can modulate the timing and behavior of cell migration.
- These findings support the role of the extracellular environment in guiding cell movements during morphogenesis.
