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| Harvard scientists announced today they had discovered a master human heart cell that gives rise to three major types of heart tissue, providing new tools for drug development and an important advance toward the ultimate goal of repairing damaged hearts. l more |
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| Conditional expressing mutant caALK2 mice exhibit increased levels and nuclear accumulation of phospho-Smad1/5/8 within myocytes of the gastrocnemius muscles. l more |
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