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Cardiomyocyte cell cycle regulation
Kishore B S Pasumarthi1, Loren J Field
1Wells Center for Pediatric Research and Krannert Institute of Cardiology, Indiana University School of Medicine, Indianapolis, Indiana, USA.
Insights
Understanding cardiomyocyte cell cycle regulation is key to cardiac development and regeneration. This review explores embryonic and adult heart cell proliferation, offering insights into cardiogenesis and potential therapeutic avenues.
Area of Science:
- Molecular Cardiology
- Developmental Biology
- Cell Biology
Background:
- Key questions persist regarding the origin of heart-forming cells, cardiogenic induction mechanisms, and cardiomyocyte proliferation pathways throughout life.
- Despite advances in molecular cardiology, a comprehensive understanding of cardiomyocyte cell cycle regulation remains incomplete.
Purpose of the Study:
- To review current approaches and studies investigating cardiomyocyte cell cycle regulation.
- To provide insights into cardiomyogenic induction, morphogenesis, and cell cycle control during cardiac development and in the adult heart.
Main Methods:
- Review of published literature on cardiac ontology, cell cycle analyses, and cardiomyogenic induction.
- Examination of studies involving in vitro and in vivo experimental manipulation of cardiomyocyte cell cycle activity.
Main Results:
- Summaries of cell cycle analyses during embryonic cardiac development.
- Review of studies on cardiomyocyte cell cycle activity and de novo induction in the adult heart.
- Compilation of research on experimental manipulation of cardiomyocyte cell cycle.
Conclusions:
- The review highlights existing knowledge gaps and ongoing research in cardiomyocyte cell biology.
- It aims to stimulate further thought and experimentation in the field of cardiomyocyte cell cycle regulation.
- Understanding these processes is crucial for advancing cardiac regenerative medicine.
Abstract:
Although rapid progress is being made in many areas of molecular cardiology, issues pertaining to the origins of heart-forming cells, the mechanisms responsible for cardiogenic induction, and the pathways that regulate cardiomyocyte proliferation during embryonic and adult life remain unanswered. In the present study, we review approaches and studies that have shed some light on cardiomyocyte cell cycle regulation. For reference, an initial description of cardiomyogenic induction and morphogenesis is provided, which is followed by a summary of published cell cycle analyses during these stages of cardiac ontology. A review of studies examining cardiomyocyte cell cycle analysis and de novo cardiomyogenic induction in the adult heart is then presented. Finally, studies in which cardiomyocyte cell cycle activity was experimentally manipulated in vitro and in vivo are reviewed. It is hoped that this compilation will serve to stimulate thought and experimentation in this intriguing area of cardiomyocyte cell biology.