Prolactin-like immunoreactivity in the granules of neural complex cells in the ascidian Halocynthia roretzi

K. Terakado, M. Ogawa, K. Inoue, K. Yamamoto, S. Kikuyama

    研究成果: Article査読

    27 被引用数 (Scopus)

    抄録

    Electron-microscopic studies of the neural complex (neural gland, dorsal strand, and cerebral ganglion) of an ascidian, Halocynthia roretzi, were performed, paying particular attention to the secretory systems. We found that cells scattered along the dorsal strand and neural cells in the cerebral ganglion contained electron-dense secretory granules of variable size. Immunoelectron-microscopic studies with an antiserum to bullfrog prolactin revealed that the secretory granules (100-250 nm in diameter) of some granulated cells contained a prolactin-like substance. Cells belonging to the neural gland and dorsal strand neither contained electron-dense granules nor showed immunoreactivity. The possibility that cells in the cerebral ganglion and those along the dorsal strand are phylogenetic progenitors of vertebrate adenohypophyseal cells is discussed.

    本文言語English
    ページ(範囲)63-71
    ページ数9
    ジャーナルCell and Tissue Research
    289
    1
    DOI
    出版ステータスPublished - 1997

    ASJC Scopus subject areas

    • Anatomy
    • Clinical Biochemistry
    • Cell Biology

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