ArticleJournal of muscle research and cell motility2005
Transient expression of fast troponin C transcripts in embryonic quail heart.
Article in Journal of muscle research and cell motility, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 8 citations in OpenAlex.
- Beating behavior of primary neonatal cardiomyocytes and cardiac-differentiated P19.CL6 cells on different extracellular matrix components.Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs · 2009Article
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
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Abstract
Most myofibrillar proteins, including troponin I and troponin T subunits of troponin complex, undergo developmental stage-specific isoform transitions in vertebrate heart before attaining adult contractile and regulatory characteristics. Only the cardiac/slow skeletal muscle type isoform of troponin C, however, has been shown to be expressed in both adult and developing heart. The changes in troponin C could be functionally important as the TnC isoforms vary in their affinities for Ca(2+). For example, fast troponin C has two Ca(2+) binding sites while slow/cardiac troponin C has a single regulatory site. This study demonstrates the co-expression of both fast and slow transcripts of troponin C in not only quail embryonic skeletal muscle but also embryonic heart using two different analytical techniques of polymerase chain reaction and in situ hybridisation procedure. Fast troponin C expression in the quail heart using in situ hybridisation procedure was first observed at embryonic day 3, with maximum expression at day 5 after which its level in the developing heart was gradually down regulated. In situ hybridisation staining of sections at these developmental stages demonstrated the expression of both fast and slow transcripts of troponin C in all cardiomyocytes.
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