Characterization of porcine spermatogonial stem cells (pSSCs).

<p>(A) Alkaline phosphatase (AP) staining of pSSC colonies. (B) Reverse transcription-polymerase chain reaction (RT-PCR) analysis of pSSCs with undifferentiated SSC markers (PGP9.5, PLZF, integrin α6, and integrin β1). (C) Immunocytochemistry of pSSC colonies with PGP9.5 antibody.</p>