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  • Title: Three-dimensional co-culture of BM-MSCs and eccrine sweat gland cells in Matrigel promotes transdifferentiation of BM-MSCs.
    Author: Li H, Li X, Zhang M, Chen L, Zhang B, Tang S, Fu X.
    Journal: J Mol Histol; 2015 Oct; 46(4-5):431-8. PubMed ID: 26189057.
    Abstract:
    Victims with extensive and deep burns are unable to regenerate eccrine sweat glands. Combining of stem cells and biomimetic ECM to generate cell-based 3D tissues is showing promise for tissue repair and regeneration. We co-cultured BrdU-labeled bone marrow-derived mesenchymal stem cells (BM-MSCs) and eccrine sweat gland cells in Matrigel for 2 weeks in vitro and then evaluated for BM-MSCs differentiation into functional eccrine sweat gland cells by morphological assessment and immunohistochemical double staining for BrdU/pancytokeratin, BrdU/ZO-2, BrdU/E-cadherin, BrdU/desmoglein-2, BrdU/Na(+)-K(+)-ATPase α, BrdU/NHE1 and BrdU/CFTR. Cells formed spheroid-like structures in Matrigel, and BrdU-labeled BM-MSCs were involved in the 3D reconstitution of eccrine sweat gland tissues, and the incorporated BM-MSCs expressed an epithelial cell marker (pancytokeratin), epithelial cell junction proteins (ZO-2, E-cadherin and desmoglein-2) and functional proteins of eccrine sweat glands (Na(+)-K(+)-ATPase α, NHE1 and CFTR). In conclusion, three-dimensional co-culture of BM-MSCs and eccrine sweat gland cells in Matrigel promotes the transdifferentiation of BM-MSCs into potentially functional eccrine sweat gland cells.
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