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Glucokinase is located in secretory granules of pancreatic D‐cells
Author(s) -
Toyoda Yukiyasu,
Yoshie Sumio,
Fujita Tsuneo,
Ito Yuki,
ogaki Tsunemasa,
Miwa Ichitomo
Publication year - 1997
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/s0014-5793(97)01139-3
Subject(s) - glucokinase , somatostatin , pancreatic islets , glucagon , cytoplasm , medicine , pancreatic polypeptide , endocrinology , pancreas , chemistry , biology , insulin , islet , microbiology and biotechnology
We immunohistochemically examined the distribution of glucokinase in rat pancreatic islets. Glucokinase immunoreactivity under light microscopy was detected in the cytoplasm of somatostatin cells as well as in that of insulin cells. No specific immunoreactivity was detected in glucagon and pancreatic polypeptide cells. In somatostatin cells, glucokinase immunoreactivity was located by electron microscopy exclusively within secretory granules.