Key result
Cardiomyopathic myocytes exhibit ~82% higher cytosolic Ca2+ alongside decreased contraction amplitude vs. normal cells.
Why the study?
The primary defect underlying the cascade of events leading to heart failure in the hereditary cardiomyopathic Syrian hamster model has not been identified.
Absolute Event Rate: 472% vs 260%
No takes yet. Share an insight, caveat, or question.
Isolated cardiomyopathic hamster myocytes show contractile and Ca2+ handling defects; leaves open whether analogous cellular mechanisms operate in human cardiomyopathy.
Sen et al. (1990) studied Cardiomyopathy. Cardiomyopathic strain (Bio 14.6) vs. Normal hamsters (F1B) was evaluated on Time-averaged cytosolic Ca2+. Cardiomyopathic hamster myocytes exhibited significantly higher time-averaged cytosolic Ca2+ (472 +/- 60 nM) compared to normal control cells (260 +/- 15 nM), alongside decreased contraction amplitude.
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