Related Experiment Videos
Novel flow-cytometric method for separating cell types in differentiated F9 embryoid bodies
C A Burdsal1, R A Pedersen, W C Hyun
1Laboratory of Radiobiology and Environmental Health, University of California, San Francisco, USA.
Cytometry
|October 1, 1995
Summary
Flow cytometry separates F9 embryoid body cells based on autofluorescence. This method distinguishes undifferentiated cells from differentiated endoderm cells, aiding developmental biology research.
Area of Science:
- Developmental Biology
- Cell Biology
- Biochemistry
Background:
- F9 teratocarcinoma cells differentiate into primitive endoderm, mimicking early mouse embryonic development.
- Retinoic acid induces differentiation in F9 embryoid bodies, leading to alpha-fetoprotein production.
- Cellular autofluorescence is a potential marker for cell differentiation.
Purpose of the Study:
- To investigate the utility of cellular autofluorescence for distinguishing differentiated from undifferentiated F9 embryoid body cells.
- To determine if flow cytometry can separate these distinct cell populations.
Main Methods:
- F9 teratocarcinoma cells were cultured as embryoid bodies.
- Embryoid bodies were induced to differentiate using retinoic acid.
- Cellular autofluorescence profiles were analyzed using flow cytometry.
- RNA analysis was performed to assess gene transcription.
Main Results:
- Undifferentiated embryoid bodies comprised a single cell type based on autofluorescence.
- Retinoic acid-induced embryoid bodies contained two cell populations: one with low autofluorescence and one with high autofluorescence.
- Alpha-fetoprotein gene transcription was exclusively detected in the highly autofluorescent cell population.
Conclusions:
- Cellular autofluorescence effectively differentiates F9 embryoid body cells.
- Flow cytometry offers a novel method for separating undifferentiated and differentiated endoderm cells.
- This technique facilitates the study of cell differentiation in embryoid body models.