| RRC ID |
39011
|
| 著者 |
Naito Y, Yoshikawa T, Fujii T, Boku Y, Yagi N, Dao S, Yoshida N, Kondo M, Matsui H, Ohtani-Fujita N, Sakai T.
|
| タイトル |
Monochloramine-induced cell growth inhibition and apoptosis in a rat gastric mucosal cell line.
|
| ジャーナル |
J Clin Gastroenterol
|
| Abstract |
Recent studies have indicated that monochloramine (NH2Cl), a reaction product of NH3 and hypochlorous acid, is involved in the pathogenesis of Helicobacter pylori-associated gastric mucosal damage, but how NH2Cl contributes to lesions is unclear. In the present study, the effects of NH2Cl on mucosal cell growth and the cell cycle were evaluated in vitro using a normal rat gastric mucosal cell line RGM-1. Cell viability was assessed by the Trypan Blue dye exclusion test and cell cycle patterns were determined by DNA labeling with propidium iodide and flow cytometric quantification. NH2Cl inhibited the growth of RGM-1 cells in a concentration-dependent manner. Exposure of cells to NH2Cl caused a time- and dose-dependent loss of G1-phase cells with accumulation of G2/M-phase cells, and produced a fraction of subdiploid cells with oligonucleosomal DNA degradation characteristic of apoptosis. NH2Cl-induced apoptosis was confirmed by fluorescent microscopy with Hoechst 33342 and propidium iodide. These results suggest that NH2Cl inhibits gastric mucosal cell growth and induces apoptosis in RGM-1 cells, events that may be important in gastric mucosal damage or atrophy induced by H. pylori infection.
|
| 巻・号 |
25 Suppl 1
|
| ページ |
S179-85
|
| 公開日 |
1997-1-1
|
| DOI |
10.1097/00004836-199700001-00029
|
| PMID |
9479646
|
| MeSH |
Animals
Apoptosis / drug effects*
Cell Division / drug effects
Cell Line
Chloramines / metabolism
Chloramines / pharmacology*
Gastric Mucosa / cytology
Gastric Mucosa / drug effects*
Helicobacter Infections / metabolism
Helicobacter Infections / pathology
Helicobacter pylori
Rats
|
| IF |
2.973
|
| 引用数 |
28
|
|
WOS 分野
|
GASTROENTEROLOGY & HEPATOLOGY
|
| リソース情報 |
| ヒト・動物細胞 |
RGM1(RCB0876) |
