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DOI: 10.1369/jhc.3B6220.2004
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Journal of Histochemistry and Cytochemistry
Volume 52 (7): 979-983, 2004
Copyright ©The Histochemical Society, Inc.

BRIEF REPORT

Localization of Alkaline Phosphatase and Proteins Related to Intercellular Junctions in Rat Hepatoma Cell Line McA-RH 7777

Kohsuke Chida and Meiko Taguchi

Department of Anatomy, School of Allied Health Sciences, Kitasato University, Sagamihara, Kanagawa, Japan

Correspondence to: Kohsuke Chida, Dept. of Anatomy, School of Allied Health Sciences, Kitasato University, Sagamihara, Kanagawa 228-8555, Japan. E-mail: chida{at}ahs.kitasato-u.ac.jp

We investigated the localization of alkaline phosphatase (ALP) and three proteins related to intercellular junctions in the McA-RH 7777 rat hepatoma cell line to determine if the formation of junctions between adjacent McA-RH 7777 cells triggers translocation of ALP from cytoplasm to the plasma membrane. Contact between adjacent McA-RH 7777 cells promotes translocation of ALP from the Golgi area of the cytoplasm to the plasma membrane, and also promotes translocation of two proteins, E-cadherin and ZO-1, related to intercellular junctions, from cytoplasm to the plasma membrane.

(J Histochem Cytochem 52:979–983, 2004)

Key Words: alkaline phosphatase • connexin 32 • E-cadherin • ZO-1 • rat hepatoma • McA-RH 7777 • immunohistochemistry


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