多毛纲动物海绵嗜蛭体肌上皮细胞中含钙质颗粒：可能的离子调节剂
Calcium-containing granules in myoepithelial cells of the polychaete Syllis spongiphila: possible ionic modulators.
作者信息
Briggs R T, Chaffee J E, Anderson M
出版信息
Tissue Cell. 1985;17(6):923-8. doi: 10.1016/0040-8166(85)90046-1.
PMID:4089864
Abstract
Myoepithelial cells of the polychaete Syllis spongiphila have a central core containing abundant membrane-bound granules. Examination of isolated and in situ granules using radioactive labelling, X-ray energy dispersive spectrometry, and scanning and transmission electron microscopy indicated that the granules contain high levels of Ca and P, and take up free Ca ions with a time course of 15-30 min. The granules appear to contribute to the dynamic calcium metabolism of the myoepithelial cells.
摘要
多毛纲动物海绵嗜叶裂虫的肌上皮细胞有一个中央核心，其中含有丰富的膜结合颗粒。使用放射性标记、X射线能量色散光谱法以及扫描和透射电子显微镜对分离的颗粒和原位颗粒进行检查，结果表明这些颗粒含有高水平的钙和磷，并在15 - 30分钟的时间进程内摄取游离钙离子。这些颗粒似乎有助于肌上皮细胞的动态钙代谢。
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