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Mechanism of force inhibition by 2,3-butanedione monoxime in rat cardiac muscle: roles of [Ca2+]i and cross-bridge kinetics.
1. We investigated the mechanism of force inhibition by 2,3-butanedione monoxime (BDM) on rat cardiac trabeculae. [Ca2+]i was measured by iontophoretic injection of fura-2 salt. Isometric force was recorded at an end-systolic sarcomere length of 2.1-2.2 microns. 2. With an external [Ca2+] of 1 mM, p...
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| Main Authors: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1994
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1160462/ https://ncbi.nlm.nih.gov/pubmed/8057256 |
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