Tissue Eng Regen Med.  2021 Apr;18(2):199-215. 10.1007/s13770-020-00301-4.

Biomaterials Regulate Mechanosensors YAP/TAZ in Stem Cell Growth and Differentiation

Affiliations
  • 1Department of Biological Science, Sunandan Divatia School of Science, SVKM’s NMIMS (Deemed to-be) University, Mumbai, India
  • 2Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis International University, Lavale, Mulshi, Pune 412115, India

Abstract

Tissue-resident stem cells are surrounded by a microenvironment known as ‘stem cell niche’ which is specific for each stem cell type. This niche comprises of cell-intrinsic and -extrinsic factors like biochemical and biophysical signals, which regulate stem cell characteristics and differentiation. Biochemical signals have been thoroughly studied however, the effect of biophysical signals on stem cell regulation is yet to be completely understood. Biomaterials have aided in addressing this issue since they can provide a defined and tuneable microenvironment resembling in vivo conditions. We review various biomaterials used in many studies which have shown a connection between biomaterialgenerated mechanical signals and alteration in stem cell behaviour. Researchers probed to understand the mechanism of mechanotransduction and reported that the signals from the extracellular matrix regulate a transcription factor yesassociated protein (YAP)/transcriptional coactivator with PDZ-binding motif (TAZ), which is a downstream-regulator of the Hippo pathway and it transduces the mechanical signals inside the nucleus. We highlight the role of the YAP/TAZ as mechanotransducers in stem cell self-renewal and differentiation in response to substrate stiffness, also the possibility of mechanobiology as the emerging field of regenerative medicines and three-dimensional tissue printing.

Keyword

Mechanobiology; Mechanobiology; Mechanobiology; Human pluripotent stem cells; Human pluripotent stem cells; Human pluripotent stem cells; YAP/TAZ; YAP/TAZ; YAP/TAZ; Biomaterials; Biomaterials; Biomaterials
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