Why the study?
What is the role of Prox1 in maintaining muscle structure and growth in the developing murine heart?
Population
Murine model of the developing heart
Design
Preclinical
Key result
Cardiac-specific inactivation of Prox1 in mice disrupts sarcomeric protein expression and localization, causing gross myofibril disarray and growth-retarded hearts.
Authors
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Prox1 maintains sarcomere integrity in developing mouse hearts; leaves open its role in human cardiomyopathy and requires validation in higher models.
What is the role of Prox1 in maintaining muscle structure and growth in the developing murine heart?
Prox1 is essential for maintaining sarcomere integrity and enabling fetal cardiomyocyte hypertrophy through direct transcriptional regulation of structural proteins.
Risebro et al. (2008) studied Congenital heart disease and cardiomyopathy. Cardiac-specific inactivation of Prox1 was evaluated on Expression and localisation of sarcomeric proteins, myofibril disarray, and heart growth. Cardiac-specific inactivation of Prox1 in mice disrupts sarcomeric protein expression and localization, causing gross myofibril disarray and growth-retarded hearts.
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