Key result
The microtubule network directs cardiomyocyte growth by redirecting the localization of mRNA and protein synthesis and modifying the intercalated disc.
Microtubule dynamics play a crucial role in orchestrating the direction of cardiomyocyte growth via mRNA/protein synthesis localization and intercalated disc modification.
A new study shows that the microtube network directs cardiomyocyte growth through two mechanisms: by redirecting the localization of mRNA and protein synthesis and by modifying the intercalated disc, the site of cell–cell adhesion at the ends of the cardiomyocyte.
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Irene Fernández-Ruíz (2026) studied this question. The microtubule network directs cardiomyocyte growth by redirecting the localization of mRNA and protein synthesis and modifying the intercalated disc.
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