Comparing Cartilage Restoration with Stem Cells from Synovium and Dental Pulp
Author Information
Author(s): Tiago Lazzaretti Fernandes, João Paulo Cortez Santanna, Rafaella Rogatto de Faria, Enzo Radaic Pastore, Daniela Franco Bueno, Arnaldo José Hernandez, Augusto Pessina
Primary Institution: Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
Hypothesis
Treatment with a tissue engineering construct (TEC) offers superior outcomes compared to the conventional method of preparing cartilage defects.
Conclusion
TECs from synovial membrane (SM) showed better cartilage coverage and quality compared to the defect group in MRI and histological analysis.
Supporting Evidence
- The untreated group had a mean MOCART value of 46.2 ± 13.4.
- The SM-treated group had a mean MOCART value of 65.7 ± 15.5.
- The DP-treated group had a mean MOCART value of 59.0 ± 7.9.
- The T2 mapping indicated a mean value of T2 of 54.9 ± 1.9 for native cartilage.
- The untreated group exhibited a mean T2 value of 50.9 ± 2.4.
- The ICRS-2 mean values were 42.1 ± 14.8 for the untreated group.
- The SM group had a mean ICRS-2 value of 64.3 ± 19.0.
- The DP group had a mean ICRS-2 value of 54.3 ± 12.2.
Takeaway
This study looked at how well different types of stem cells can help heal knee cartilage injuries, finding that one type works better than just leaving the injury alone.
Methodology
A controlled experimental study on 14 miniature pigs with scaffold-free TECs from dental pulp and synovial membrane MSCs, assessed over 6 months.
Limitations
The study only used female miniature pigs, which may limit the generalizability of the results.
Participant Demographics
14 female miniature pigs aged 8 to 12 months, weighing between 19 and 22 kg.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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