Enhanced hepatic differentiation of human amniotic epithelial cells on polyethylene glycol‐linked multiwalled carbon nanotube‐coated hydrogels
2018
: Polyethylene glycol-linked multiwalled carbon nanotube-coated poly-acrylamide hydrogel (CNT-PA) was customized to mimic human liver stiffness and nanostructured surface in liver cells for modulating differentiation of human amniotic epithelial cells (hAECs) into functional hepatocyte-like cells (HLCs) in vitro. This composite of CNT-PA matrix enhanced the hepatic differentiation of hAECs into HLCs with suppression of pluripotent markers and up-regulation of hepatic markers at both transcript and protein levels. Furthermore, the HLCs on CNT-PA demonstrated hepatocytic functions in terms of albumin secretion, higher uptake of indocyanine green, and comparable CYP3A4 enzymatic function and inducibility when matched against HepG2 cells. Taken together, CNT-PA provides an efficient and scalable platform for the expansion of HLCs from hAECs and could be explored further for downstream development.
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