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Adipose and amnion-derived mesenchymal stem cells: Extracellular vesicles characterization and implication for reproductive biotechnology

The stem cell-based research for reproductive biotechnology has been widely studied and shows promise for repairing defective tissue or degenerated cells to treat different diseases. The adipose tissue and amniotic membrane have awakened great interest in regenerative medicine and arises as a promis...

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Published in:Theriogenology 2023-03, Vol.198, p.264-272
Main Authors: Scassiotti, Rodrigo Ferreira, de Paula Coutinho, Meline, Pinto Santos, Sarah Ingrid, Ferreira Pinto, Priscilla Avelino, Ferreira de Almeida, Matheus, Karam, Rafael Garcia, Maria da Silva Rosa, Paola, Martins, Daniele dos Santos, Coelho da Silveira, Juliano, Ambrósio, Carlos Eduardo
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Language:English
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Summary:The stem cell-based research for reproductive biotechnology has been widely studied and shows promise for repairing defective tissue or degenerated cells to treat different diseases. The adipose tissue and amniotic membrane have awakened great interest in regenerative medicine and arises as a promising source of mesenchymal stem cells. Both types, adipose and amniotic derived mesenchymal stem cells (AMSCs) are multipotent cells with an enhanced ability to differentiate into multiple lineages.. We aimed to evaluate the effect of basal supplementation of exosomes in cell cultures with canine amniotic mesenchymal stem cells (MSCs). Mesenchymal stem cells derived from canine amniotic and adipose tissue were isolated and cultured performing cell passages until 80–90% confluence was reached. The growth curve was determined and peak cell growth was observed in the second passage. The cells were then characterized and differentiated into adipogenic, chondrogenic and osteogenic lineages. Extracellular vesicles from amnion were isolated using an ultracentrifugation protocol and characterized by nanosight analysis. To evaluate their ability to improve cellular viability in naturally inefficient passages, exosomes were co-cultures to the MSC cells. The results showed a 15–20% increase in the expansion rate of cultures supplemented with vesicles extracted in the first and second passages when compared to the control group. Statistical analysis using the Dunnett test (p ≤ 0.05) corroborated this result, showing a positive correlation between supplementation and expansion rate. These results indicate not only the importance of exosomes in the cell communication process but also the feasibility of the culture supplementation protocol for therapeutic purposes. The potential of the AMSCs for reproductive biotechnology is undoubted, however, their application to repair reproductive disorders and the involved mechanisms remain elusive. The strategies to enable the Adipose Stem Cells and AMSCs application in reproductive biotechnology and optimize their use for tissue regeneration open new venues using exosomes interactions. •Strategies to enable the ASC and AMSCs application in innovative therapies and reproductive biotechnology.•The importance of microvesicles characterization for the feasibility of culture supplementation protocol.•Optimize these type of stem cells to use for tissue regeneration as reproduction tools.
ISSN:0093-691X
1879-3231
DOI:10.1016/j.theriogenology.2022.12.012