Immunohistochemistry and morphometry of gastrin cells in the rat pyloric antrum during starvation.
The gastrin cells (G cells) in the rat pyloric antrum after 7, 14, 21 and 28 days of starvation were investigated by immunohistochemistry and electron microscopy. In the peroxidase anti-peroxidase method for light microscopy, gastrin immunoreactive cells during starvation markedly decreased in number and size. Quantitative electron microscopy revealed that during starvation the number of electron-lucent granules were greatly reduced, but the number of electron-dense granules increased; the number of intermediate granules were not remarkably changed in G cells. These results may suggest that the synthesis of gastrin and granule maturation were greatly inhibited during long-term starvation.[1]References
- Immunohistochemistry and morphometry of gastrin cells in the rat pyloric antrum during starvation. Oomori, Y. Anat. Embryol. (1986) [Pubmed]
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