Key result
Human cardiac ventricles express the slow skeletal troponin C gene but not the fast variant.
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No change to clinical troponin use; extends isoform expression mapping to cardiac and fibroblast tissues.
Gahlmann et al. (1988) studied this question. Slow skeletal troponin C gene is expressed in human cardiac ventricle, skeletal muscle, and fibroblasts, while fast skeletal troponin C gene is expressed exclusively in skeletal muscle.
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