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    Gap junctions and nerve terminals among stromal cells in human fallopian tube ampullary mucosa.

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    Authors
    Yamazaki, K
    Eyden, Brian P
    Affiliation
    Department of Diagnostic Pathology, School of Medicine Keio University, Tokyo, Japan. yamazaki@med.keio.ac.jp
    Issue Date
    1998-07
    
    Metadata
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    Abstract
    The purpose of the present study is to investigate the ultrastructure and immunohistochemistry of the stromal cells and terminal nerve fibers in human fallopian tube ampullar mucosa to achieve a detailed characterization of this tissue to permit a better assessment of possible functions. Tissues were obtained during surgery or at autopsy from 26 patients. Specimens were studied by the conventional histologic technique, immunohistochemistry (Cx43, synaptophysin, neurofilament proteins, and S-100 protein), and electron microscopy. Gap junction and nerve terminal frequency between stromal cells were studied by direct assessment on ultrathin sections in the transmission electron microscope. Gap junctions were observed between the cytoplasmic processes of subepithelial stromal cells. There were approximately 23 gap junctions per 73 nucleated stromal spindle cells. Immunohistochemistry using Cx43 antibody confirmed the dot-like distribution of gap junctions. The frequent and intimate association of stromal cell processes with nerve terminals was also demonstrated. Nerve terminals were immunostained by antibodies to nerve-specific molecules and ultrastructurally as axonal profiles containing dense-cored granules or empty vesicles. Analysis of nerve terminal frequency revealed 18 nerve profiles containing 51 axonal profiles per 73 nucleated stromal spindle cells. The present paper documents the participation of autonomic nerve endings and gap junctions in the stromal cell network in human fallopian tube stroma. Similarities to the unique anatomical unit referred to as the 'neuro-reticular complex' in bone marrow tissue (Yamazaki and Allen, 1990) are discussed.
    Citation
    Gap junctions and nerve terminals among stromal cells in human fallopian tube ampullary mucosa. 1998, 30 (3):399-408 J. Submicrosc. Cytol. Pathol.
    Journal
    Journal of Submicroscopic Cytology and Pathology
    URI
    http://hdl.handle.net/10541/91985
    PubMed ID
    9723201
    Type
    Article
    Language
    en
    ISSN
    1122-9497
    Collections
    All Christie Publications

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