Related Experiment Videos
Control of cell migration during Caenorhabditis elegans development.
R Blelloch1, C Newman, J Kimble
1Program in Cell and Molecular Biology 433 Babcock Drive University of Wisconsin-Madison Madison, WI 53706, USA.
Current Opinion in Cell Biology
|October 6, 1999
Summary
Cell migration in C. elegans relies on external signals like EGL-17/FGF and UNC-6/netrin. Intracellular proteins CED-5 and MIG-2 mediate the cell
Area of Science:
- Developmental biology
- Cell biology
- Genetics
Background:
- Cell migration is crucial for development and organogenesis.
- Localized cues, including EGL-17/FGF and UNC-6/netrin, guide cell movement.
- Intracellular signaling pathways link external cues to cellular responses.
Purpose of the Study:
- To investigate the molecular mechanisms underlying cell migration in Caenorhabditis elegans.
- To identify key intracellular proteins involved in translating external guidance cues into migratory behavior.
- To understand the role of metalloproteases in cell migration during organ development.
Main Methods:
- Utilized Caenorhabditis elegans as a model organism.
- Investigated the function of specific genes and proteins (EGL-17/FGF, UNC-6/netrin, CED-5, MIG-2) involved in cell migration.
- Employed genetic and molecular techniques to analyze cellular responses to guidance cues.
Main Results:
- EGL-17/FGF and UNC-6/netrin act as localized cues for cell migration.
- CED-5 (DOCK180/MBC homolog) and MIG-2 (Rac-like GTPase) are essential for the intracellular response to these cues.
- Metalloproteases play a role in cell migration that shapes organs.
Conclusions:
- Cell migration in C. elegans is a complex process involving coordinated external signaling and intracellular machinery.
- CED-5 and MIG-2 are critical components linking extracellular guidance cues to directed cell movement.
- Metalloproteases are implicated in morphogenetic cell movements essential for organ formation.