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Cortical cell elution by sedimentation field-flow fractionation
1Laboratoire de Chimie Analytique et Bromatologie, Faculté de Pharmacie, Université de Limoges, France. battu@pharma.unilim.fr
Biochimica Et Biophysica Acta
|November 1, 2001
Summary
Sedimentation field-flow fractionation (SdFFF) effectively separates and purifies neurons and glial cells from fetal rat brain tissue. This method ensures cell viability and provides enriched neurons for further research.
Area of Science:
- Neuroscience
- Biotechnology
- Cell Biology
Background:
- Primary neuronal cultures are crucial for studying brain function.
- Complex cell mixtures from cerebral cortices contain neurons and glial cells.
- Current separation methods may impact cell viability and purity.
Purpose of the Study:
- To evaluate Sedimentation field-flow fractionation (SdFFF) for separating and purifying neurons from glial cells.
- To assess the viability and culturability of cells isolated by SdFFF.
- To establish SdFFF as an efficient method for preparing neuronal cultures.
Main Methods:
- Utilized Sedimentation field-flow fractionation (SdFFF) for cell separation.
- Processed complex cell suspensions from 17-day-old fetal rat cerebral cortices.
- Collected eluted cell fractions under sterile conditions.
- Performed immunological characterization of cultured cells to identify cell types.
Main Results:
- SdFFF rapidly eluted cell fractions in under 6 minutes.
- Achieved high cell recovery with negligible cell trapping.
- Demonstrated short- and long-term cell viability for cultured cells.
- Confirmed the presence of viable and enriched neurons in collected fractions.
Conclusions:
- SdFFF is an effective cell sorting technique for neuronal and glial cell separation.
- The method preserves cell integrity, viability, and enhances recovery.
- SdFFF provides purified, viable neurons suitable for primary neuronal culture and further investigation.