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J Cardiovasc Dev Dis. 2019 Aug 20;6(3). pii: E29. doi: 10.3390/jcdd6030029.

Cardiac Fibroblasts and the Extracellular Matrix in Regenerative and Nonregenerative Hearts.

Author information

1
The Heart Institute, Cincinnati Children's Medical Center, Cincinnati, OH 45229, USA.
2
The Heart Institute, Cincinnati Children's Medical Center, Cincinnati, OH 45229, USA. Katherine.Yutzey@cchmc.org.

Abstract

During the postnatal period in mammals, the heart undergoes significant remodeling and cardiac cells progressively lose their embryonic characteristics. At the same time, notable changes in the extracellular matrix (ECM) composition occur with a reduction in the components considered facilitators of cellular proliferation, including fibronectin and periostin, and an increase in collagen fiber organization. Not much is known about the postnatal cardiac fibroblast which is responsible for producing the majority of the ECM, but during the days after birth, mammalian hearts can regenerate after injury with only a transient scar formation. This phenomenon has also been described in adult urodeles and teleosts, but relatively little is known about their cardiac fibroblasts or ECM composition. Here, we review the pre-existing knowledge about cardiac fibroblasts and the ECM during the postnatal period in mammals as well as in regenerative environments.

KEYWORDS:

cardiac fibroblast; cardiac regeneration; extracellular matrix

PMID:
31434209
DOI:
10.3390/jcdd6030029
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