Abstract

Objectives: The study aims to isolate, expand, and check the feasibility and differentiation potential of amniotic fluid mesenchymal stem cell (AF-MSC) from the minimum amount of amniotic fluid. Materials and Methods: Amniotic fluid samples were collected from women undergoing 2nd trimester amniocentesis between 16 and 24 weeks of period of gestation. MSCs were isolated and characterized by MSCs surface marker profiling and were expanded in specific growth media to assess their differentiation capability into osteocytes, chondrocytes, and adipocytes. The differentiation was confirmed using specific staining. Results: The isolated AF-MSCs showed successful stem cell population for 18 samples out of 23. All the isolated AF-MSCs showed positivity for MSCs surface markers. For osteocyte differentiation, cells were cultured in osteogenic induction media for 4 weeks, and the differentiation was confirmed by staining with Alizarin Red S stain, which showed extracellular matrix mineralization. For adipocytes differentiation, the induction media exhibited lipid droplets and positive staining with Oil Red O stain. Similarly, cells cultured in chondrocytes differentiation media, showed positive staining with Alcian Blue. Conclusion: AF-MSCs have the capacity to differentiate into common mesodermal cell types. Considering their easy accessibility, amniotic fluid could be a good source for MSCs with a greater potential for cellular therapy in various chronic disabling diseases, for example, spinal cord injuries, massive bone and cartilage damage, and demyelinating diseases.

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