Figure 3From: A feeder-free, human plasma-derived hydrogel for maintenance of a human embryonic stem cell phenotype in vitro Identification of Pluripotency Markers. Fluorescent observation of passage 25 hESCs immunohistochemically stained for OCT4, NANOG, SOX2 (left), DAPI (centre), merged (right) under PPP-derived hydrogel conditions. Scale bar represents 50 μm.Back to article page