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Reconstruction of parietal bone defects with adiposederived mesenchymal stem cells: experimental study

Silva, Diego Dias da; Paz, Ana Helena da Rosa; Portinho, Ciro Paz; Lima, Elizabeth Obino Cirne; Kliemann, Lúcia Maria; Collares, Marcus Vinicius Martins.
Acta cir. bras.; 35(12): e351201, 2020. tab, graf, ilus
Artigo em Inglês | VETINDEX | ID: vti-30356

Resumo

Purpose: This study assessed the regeneration potential of mesenchymal stem cells (MSC) from adipose tissue associated with platelet-rich plasma (PRP) in bone regeneration. Methods: Thirty Wistar rats (Rattus norvegicus albinos) were divided into five groups (according to the grafting material and time to euthanasia): (1) autograft - 14 days (control), (2) autograft - 28 days (control), (3) MSC + PRP - 14 days, (4) MSC + PRP + papaverine - 14 days and (5) MSC + PRP + papaverine - 28 days. After euthanasia, the graft was removed and histological slides were prepared. They were assessed by a blinded pathologist using a previously published histological scale as parameter. Results: There was some degree of neoformed bone trabeculae (NBT) in 93.3% of the samples, as well as osteoblastic activity (OA). The autograft groups (14 and 28 days) had higher levels in the formation of bone trabeculae. Nonparametric data were analyzed using the Wilcoxon-Mann-Whitney test and proved not to be statistically significant at p 0.05. Conclusions: Experimental parietal bone reconstruction, combining MSC, PRP and papaverine presented regeneration in all groups with no significant difference among them.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1