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Hh signaling in regeneration of the ischemic heart

Marina Dunaeva1, Johannes Waltenberger2,3

  • 1Department of Biomolecular Chemistry, Institute for Molecules and Materials and Radboud Institute for Molecular Life Sciences, Radboud University Nijmegen, Nijmegen, The Netherlands.

Cellular and Molecular Life Sciences : CMLS
|May 20, 2017
PubMed

Insights

Myocardial infarction (MI) triggers cardiomyocyte death. Hedgehog (Hh) signaling, active in embryonic development, is reactivated after ischemic injury, showing potential for heart regeneration and therapy.

Area of Science:

  • Cardiovascular Biology
  • Regenerative Medicine
  • Molecular Signaling

Background:

  • Myocardial infarction (MI) results from coronary artery occlusion, leading to cardiomyocyte death.
  • Adult cardiomyocytes have limited regenerative capacity following injury.
  • Embryonic developmental pathways, like hedgehog (Hh) signaling, can be reactivated in response to tissue damage.

Purpose of the Study:

  • To review the role of hedgehog (Hh) signaling in ischemic tissue regeneration.
  • To emphasize the specific involvement of Hh signaling in cardiac regeneration.
  • To discuss the therapeutic potential of Hh signaling in treating heart damage.

Main Methods:

  • Literature review of studies on Hh signaling in cardiac development and injury.
  • Analysis of research investigating Hh pathway activation in response to ischemia.
  • Synthesis of findings on the regenerative potential of Hh signaling in the heart.

Main Results:

  • Hedgehog (Hh) signaling is crucial for embryonic heart and coronary vascular development.
  • Ischemic conditions, including MI, activate Hh signaling in adult cardiac tissue.
  • Evidence suggests Hh signaling promotes regeneration in injured heart tissue.

Conclusions:

  • Hedgehog (Hh) signaling plays a significant role in the regeneration of ischemic heart tissue.
  • Targeting Hh signaling pathways presents a promising therapeutic strategy for heart regeneration after myocardial infarction.

Keywords:
CardiomyocytesHeart regenerationHedgehogNeovascularization

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