Healing rate assessment of an acute ulcer in Sprague-Dawley rats by applying autologous mesenchymal stem cells drawn from adipose tissue
DOI:
https://doi.org/10.51481/amc.v60i1.989Keywords:
Adipose derived stem cells, ulcer, healing rate, adipose tissueAbstract
Objective: To evaluate the rate of cutaneous cicatrization of acute ulcers in Sprague-Dawley rats, after receiving the administration of mesenchymal stem cells derived from adipose tissue.
Methods: There were three experimental groups. After an acute ulcer was performed in the backs of the rats they received either stem cells (SC), Clostebol, (NeobolR group, N) or no treatment Results: An average of 1.22 ± 0,46 grams (g) of adipose tissue was extracted and 3.5 x 105 cells were isolated with an average 2.4 x 104 inoculant, 95,5% cell viability. The CD29 antigen positivity on the stem cells assessed by flow cytometry was 96,5%. The histological analysis performed 7 days after the clinical healing showed that the SC group showed the highest vascularization and epithelial tissue formation. When comparing the average healing percentage among groups, only the SC group showed significant differences in contrast with the N group (H (1) = 5.61; p < 0,01) and C (H (1) = 10.47; p< 0.001).
Conclusion: This study suggests that mesenchymal cells derived from adipose tissue increase the
healing rate.
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