Effect of granulocyte macrophage-colony stimulating factor (GM-CSF) on 5-FU-induced ulcerative mucositis in hamster buccal pouches. |
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| Authors: | Sun-A Cho Jong-Hwan Park Seung-Hyeok Seok Jae-Hyeon Juhn Seong-Jin Kim Hyi-Jeong Ji Youn-Sung Choo Jae-Hak Park |
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| Affiliation: | Department of Laboratory Animal Medicine, College of Veterinary Medicine, Seoul National University, San 56-1, Sillim-dong, Gwanak-gu, Seoul 151-742, Republic of Korea. |
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| Abstract: | The present study was performed to investigate the protective effects of granulocyte macrophage-colony stimulating factor (GM-CSF) against ulcerative mucositis in hamster buccal pouch. GM-CSF was topically administered to the buccal pouches of hamsters with two different doses of 5 and 20 microg/ml. The treatment of GM-CSF led to rapid healing effects in gross and histopathological findings. It decreased expression of pro-inflammatory cytokine mRNA levels in the mucosal tissue of buccal pouches. Also GM-CSF-treated animals showed high numbers of Ki-67 positive cells in basal cell layer. These results suggest that GM-CSF provided excellent healing effects to ulcerative mucositis in the buccal pouch of hamster. |
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