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January 25, 2007Proceedings of the National Academy of SciencesOpen Access

Secreted frizzled related protein 2 (Sfrp2) is the key Akt-mesenchymal stem cell-released paracrine factor mediating myocardial survival and repair

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Authors

MMMaria MirotsouZZZhongyan ZhangADArjun Deb

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Overview

Preclinical study reveals Sfrp2 as the primary paracrine mediator of cardiomyocyte survival after ischemic injury, highlighting Wnt signaling modulation as a therapeutic target for heart disease.

Key Points

  • To identify the key paracrine factors secreted by Akt-modified mesenchymal stem cells that mediate cardiac tissue survival and repair after ischemic injury.
  • Applied a functional genomic screening approach to characterize paracrine factors secreted by Akt-engineered mesenchymal stem cells.
  • Treated ischemic cardiomyocytes with secreted frizzled related protein 2 (Sfrp2) to evaluate its regulatory impact on cellular signaling pathways and apoptotic responses.
  • Identified Sfrp2 as the critical paracrine factor responsible for promoting myocardial cell survival and cardiac repair following ischemic damage.
  • Observed that Sfrp2 administration modulates Wnt signaling in cardiomyocytes, driving an accumulation of cellular beta-catenin and up-regulating antiapoptotic gene expression.

Cite This Study

Mirotsou et al. (2007) studied this question.

synapsesocial.com/papers/6a1763a3d990e918e6b3fe99https://doi.org/10.1073/pnas.0610024104
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