Cardiac troponin I is a heart-specific marker in the Xenopus embryo: expression during abnormal heart morphogenesis.

Abstract

Cardiac troponin I (troponin Ic) expression is restricted to the heart at all stages of Xenopus development. Whole-mount in situ hybridization and Northern blot analysis indicates that troponin Ic is first expressed in tailbud embryos (stage 28) about the time of the first cytological heart differentiation and about 24 hr before beating tissue is observed… (More)

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