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    Remodeling of Glycosaminoglycans During Differentiation of Adult Human Bone Mesenchymal Stromal Cells toward Hepatocytes

    Author
    Mikael, Paiyz E.; Willard, Charles; Koyee, Aurvan; Barlao, Charmaine Grace; Liu, Xinyue; Han, Xiaorui; Ouyang, Yilan; Xia, Ke; Linhardt, Robert J.; Dordick, Jonathan S.
    ORCID
    https://orcid.org/0000-0003-2219-5833
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    Other Contributors
    Date Issued
    2019-02-15
    Subject
    Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
    Degree
    Terms of Use
    In Copyright : this Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). https://rightsstatements.org/page/InC/1.0/;
    Full Citation
    Remodeling of Glycosaminoglycans During Differentiation of Adult Human Bone Mesenchymal Stromal Cells toward Hepatocytes, P. E. Mikael, C. Willard, A. Koyee, C.-G. Barlao, X. Liu, X. Han, Y. Ouyang, K. Xia, R. J. Linhardt, J. S. Dordick, Stem Cells and Development, 28, 278-2898, 2019.
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    URI
    https://doi.org/10.1089/scd.2018.0197; https://hdl.handle.net/20.500.13015/5557
    Abstract
    There is a critical need to generate functional hepatocytes to aid in liver repair and regeneration upon availability of a renewable, and potentially personalized, source of human hepatocytes (hHEP). Currently, the vast majority of primary hHEP are obtained from human tissue through cadavers. Recent advances in stem cell differentiation have opened up the possibility to obtain fully functional hepatocytes from embryonic or induced pluripotent stem cells, or adult stem cells. With respect to the latter, human bone marrow mesenchymal stromal cells (hBMSCs) can serve as a source of autogenetic and allogenic multipotent stem cells for liver repair and regeneration. A major aspect of hBMSC differentiation is the extracellular matrix (ECM) composition and, in particular, the role of glycosaminoglycans (GAGs) in the differentiation process. In this study, we examine the influence of four distinct culture conditions/protocols (T1-T4) on GAG composition and hepatic markers. α-Fetoprotein and hepatocyte nuclear factor-4α were expressed continually over 21 days of differentiation, as indicated by real time quantitative PCR analysis, while albumin (ALB) expression did not begin until day 21. Hepatocyte growth factor (HGF) appears to be more effective than activin A in promoting hepatic-like cells through the mesenchymal-epithelial transition, perhaps due to the former binding to the HGF receptor to form a unique complex that diversifies the biological functions of HGF. Of the four protocols tested, uniform hepatocyte-like morphological changes, ALB secretion, and glycogen storage were found to be highest with protocol T2, which involves both early- and late-stage combinations of growth factors. The total GAG profile of the hBMSC ECM is rich in heparan sulfate (HS) and hyaluronan, both of which fluctuate during differentiation. The GAG profile of primary hHEP showed an HS-rich ECM, and thus, it may be possible to guide hBMSC differentiation to more mature hepatocytes by controlling the GAG profile expressed by differentiating cells.;
    Description
    Stem Cells and Development, 28, 278-2898; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
    Department
    The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
    Relationships
    The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Stem Cells and Development; https://harc.rpi.edu/;
    Access
    https://login.libproxy.rpi.edu/login?url=https://doi.org/10.1089/scd.2018.0197;
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