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4/2021
vol. 74 abstract:
Original paper
Bone regeneration capacity of adipose tissue-derived stem cells in rabbit periodontitis-induced bone defect model
Gulzhan Yermukhanova
1
,
Vladimir Rusanov
2
,
Aliya Bayakhmetova
3
,
Yuliya Menchisheva
2
,
Gulzakira Ksetaeva
1
,
Nurzhamal Yermukhanova
1
J Stoma 2021; 74, 4: 227-235
Online publish date: 2021/12/19
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Introduction
Periodontitis is one of the most common oral infectious disease. Adipose tissue-derived mesenchymal stem cells (AD-MSCs) have become widely studied for their possibilities for regeneration of periodontal bone defect. However, bone regeneration efficiency of AD-MSCs combined with transplantation materials in periodontal bone defects remains unclear. Objectives: The purpose of the study was to compare the effects of two repair methods with and without application of AD-MSCs in a rabbit’s periodontal defect model. Material and methods Experimental periodontitis was initiated in eighteen rabbits. Animals were divided into two groups, including Col-HA only (group 1) and Col-HA + AD-MSCs (group 2), and implanted in rabbit periodontitis-induced bone defect. To evaluate difference in these two groups, we used histological analysis of the samples and X-ray. For comparison of grey-level frequency in X-ray samples of the two groups, Otsu’s method was applied. Results Post-operative wounds in group 2 healed three days earlier than in group 1, starting from a formation of fibrous tissue, cartilage, and osteoid tissue, and ending with a formation of full-plate bone tissue. X-ray evaluations showed that more intensive reparative regeneration in post-operative bone cavity was observed in animals of group 2. The 90th day samples with AD-MSCs presented more differentiated gray-level than the 90th day samples without AD-MSCs. Conclusions The results of the study suggest that the use of transplantation material (Col-HA) with AD-MSCs has positive effects, contributing to the improvement of reparative regeneration of bone tissue in the periodontal bone defect area. keywords:
experimental periodontitis, bone regeneration, adipose tissue-derived mesenchymal stem cells, periodontal surgery |
