OBJECTIVES AND BACKGROUND: Endothelin-1 (ET-1) is a 21-amino acid peptide with multifunctional regulation. ET-1 expresses in various cells during inflammation. The present study aimed to examine the ET-1 expression in oral epithelial cells after infection with the periodontal pathogen and to investigate the presence of ET-1 in human inflamed and uninflamed gingival tissues. MATERIALS AND METHODS: The KB cells were infected with Porphyromonas gingivalis and the expression level of ET-1 was examined using reverse transcription-polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). The immunohistochemical analysis of ET-1 was performed in gingival tissues obtained from patients. In addition, the ET-1 mRNA expression in each tissue was also investigated by RT-PCR. RESULTS: The expression of ET-1 in KB cells was strongly induced by the P. gingivalis infection. On the other hand, the strong immunoreactivity for ET-1 was observed in the epithelium and vascular endothelial cells of the inflamed gingival tissue. Furthermore, the level of ET-1 mRNA was greater in the inflamed tissues. CONCLUSION: These results suggested that the expression level of ET-1 in gingival epithelial cells might be enhanced during the periodontal inflammation.
OBJECTIVES AND BACKGROUND:Endothelin-1 (ET-1) is a 21-amino acid peptide with multifunctional regulation. ET-1 expresses in various cells during inflammation. The present study aimed to examine the ET-1 expression in oral epithelial cells after infection with the periodontal pathogen and to investigate the presence of ET-1 in human inflamed and uninflamed gingival tissues. MATERIALS AND METHODS: The KB cells were infected with Porphyromonas gingivalis and the expression level of ET-1 was examined using reverse transcription-polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). The immunohistochemical analysis of ET-1 was performed in gingival tissues obtained from patients. In addition, the ET-1 mRNA expression in each tissue was also investigated by RT-PCR. RESULTS: The expression of ET-1 in KB cells was strongly induced by the P. gingivalis infection. On the other hand, the strong immunoreactivity for ET-1 was observed in the epithelium and vascular endothelial cells of the inflamed gingival tissue. Furthermore, the level of ET-1 mRNA was greater in the inflamed tissues. CONCLUSION: These results suggested that the expression level of ET-1 in gingival epithelial cells might be enhanced during the periodontal inflammation.
Authors: Yi-Shing Lisa Cheng; Terry Rees; Lee Jordan; Lance Oxford; John O'Brien; Huey-Shys Chen; David Wong Journal: Oral Oncol Date: 2011-08-24 Impact factor: 5.337
Authors: Ga-Yeon Son; Eun-Jung Bak; Ji-Hye Kim; Dong Eun Lee; Si-Mook Kang; So Yun Lee; Lin Choi; Ji Su Sun; Seul Ki Kim; Wonse Park; Baek Il Kim; Yun-Jung Yoo; Inik Chang; Dong Min Shin Journal: PLoS One Date: 2016-12-28 Impact factor: 3.240
Authors: Thomas Beikler; Ulrike Peters; Karola Prior; Martin Eisenacher; Thomas F Flemmig Journal: BMC Med Genomics Date: 2008-07-07 Impact factor: 3.063