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Purmorphamine Promotes Matrix Mineralization and Cytoskeletal Changes in Human Umbilical Cord Mesenchymal Stem Cells

Syed A Jamal*
* Molecular Biosciences, University of Kansas.1200 Sunny side Avenue, Lawrence, KS. 66049. Ascend technologies, Little Rock, Arkansas, 72211 USA. Email: syedj99@gmail.com; Syed.Jamal@rockhurst.edu

Molecular & Cellular Biomechanics 2013, 10(4), 267-273. https://doi.org/10.3970/mcb.2013.010.267

Abstract

Human Umbilical Cord Mesenchymal Stem Cells (hUCMSCs) were subjected to in vitro osteogenic differentiation using a novel combination of signaling molecules including BMP-2 and purmorphamine. Differentiation outcomes were assessed by calcein staining and by microscopic examination of the cytoskeleton. Calcein staining showed appreciable degree of calcium mineralization in cell culture, and changes in the morphological attributes of differentiating cells were observed vis-a-vis the actin cytoskeleton. Finally, positive calcein staining, altered cytoskeletal profile, and stress fiber formation in treated cells demonstrated, for the first time, a potentially synergistic interplay between BMP-2 and the hedgehog agonist, purmorphamine. This study lends support to the notion of combining small doses of potent molecules that can act as safe, less toxic inducers of osteogenic differentiation of human umbilical cord mesenchymal stem cells with respect to bone regeneration.

Keywords

purmorphamine, BMP-2, lithium chloride, hUMSCs (human umbilical cord mesenchymal stem cells, fibroblast, osteogenic differentiation, cytoskeletons, actin stress fibers.

Cite This Article

Jamal, S. A. (2013). Purmorphamine Promotes Matrix Mineralization and Cytoskeletal Changes in Human Umbilical Cord Mesenchymal Stem Cells. Molecular & Cellular Biomechanics, 10(4), 267–273.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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