Pre-Confluent Cells Increase Graft Viability
Author Information
Author(s): Kevin P. Kennelly, Deborah M. Wallace, Toby M. Holmes, Deborah J. Hankey, Timothy S. Grant, Cliona O'Farrelly, David J. Keegan
Primary Institution: Catherine McAuley Clinical Research Centre, University College Dublin, Dublin, Ireland
Hypothesis
Culture conditions influence graft viability.
Conclusion
Pre-confluent cells should be used to maximize graft cell viability.
Supporting Evidence
- Pre-confluent cultures had significantly less nonviable cells than post-confluent cultures.
- Graft viability in vivo was established by TUNEL and cleaved caspase 3 immunolabeling.
- Post-confluent cultures showed progressively increasing levels of apoptosis and necrosis.
Takeaway
Using younger cells before they grow too much helps them survive better when transplanted.
Methodology
Cell viability was assessed using trypan blue exclusion and flow cytometry, with graft viability evaluated in vivo through TUNEL and cleaved caspase 3 immunolabeling.
Potential Biases
Potential bias in the selection of cell lines and the specific conditions used for graft preparation.
Limitations
The study was limited to a mouse model and focused on short-term graft viability.
Participant Demographics
C57BL/6 mice were used for the in vivo experiments.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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