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Updated: Jun 12, 2026

Generation of Induced Pluripotent Stem Cell-Derived iTenocytes via Combined Scleraxis Overexpression and 2D Uniaxial Tension
Published on: March 1, 2024
The Mohawk homeobox gene is a critical regulator of tendon differentiation
Yoshiaki Ito1, Naoya Toriuchi, Teruhito Yoshitaka
1Department of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan.
Abstract:
Mohawk (Mkx) is a member of the Three Amino acid Loop Extension superclass of atypical homeobox genes that is expressed in developing tendons. To investigate the in vivo functions of Mkx, we generated Mkx(-/-) mice. These mice had hypoplastic tendons throughout the body. Despite the reduction in tendon mass, the cell number in tail tendon fiber bundles was similar between wild-type and Mkx(-/-) mice. We also observed small collagen fibril diameters and a down-regulation of type I collagen in Mkx(-/-) tendons. These data indicate that Mkx plays a critical role in tendon differentiation by regulating type I collagen production in tendon cells.
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