Summary
The myoglobin content of chicken myocardial cells was studied using indirect-immunoperoxidase histochemistry. While ordinary myocardial cells exhibited a homogeneous reaction pattern, the reactions for ventricular Purkinje fibers were remarkably heterogeneous. On the basis of the degree of staining, three types of cells, i.e., dark, intermediate, and clear, were distinguishable. In addition, the cytological heterogeneity of Purkinje cells was confirmed using conventional and immunological electron microscopy. The dark cells contained more myofibrils, mitochondria, and other organelles (e.g., ribosomes) than the clear cells.
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A part of this study was supported by a scientific research grant (59440037) from the Ministry of Education, Japan
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Kaiho, M., Anzai, M., Mukaida, M. et al. Heterogeneity in the myoglobin content of chicken heart Purkinje fibers. Histochemistry 84, 151–153 (1986). https://doi.org/10.1007/BF00499826
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DOI: https://doi.org/10.1007/BF00499826