Characterization of porcine multipotent stem/stromal cells derived from skin, adipose, and ovarian tissues and their differentiation in vitro into putative oocyte-like cells.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The present study evaluated the alkaline phosphatase activity, cell cycle stage, expression of markers and early transcriptional factors, and in vitro differentiation into selected cell lineages of porcine stem/stromal cells (SCs) isolated from skin (SSCs), adipose, and ovarian (OSCs) tissues. Skin and adipose SCs were isolated from a 6-month-old miniature pig, whereas OSCs were isolated from a newly born piglet. Isolated cells exhibited fibroblast-like cell population with significant renewal capacity and formed colonies by cells out-growth. All cells were positive for alkaline phosphatase activity and showed a relatively lower population at G0/G1 phase of the cell cycle. SCs derived from all tissues were strongly positive for cell surface markers, such as CD29, CD44, CD90, and vimentin. Further, relatively lower expression of cytokeratin and immunophenotype markers, such as major histocompatibility complex II (MHCII) and swine leukocyte antigen (SLA), was also observed. SCs derived from all tissues positively expressed the transcription factors, such as Oct-3/4, Nanog, and Sox-2. After induction, all SCs successfully differentiated into osteocytes and adipocytes and expressed the lineage specific marker genes. Further, cells from all tissues exhibited their potential for in vitro oogenesis with morphological changes and expression of markers during the germ-cell formation, na

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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