Effects of IL-1β on proliferation and migration of gallbladder cancer cells
10.3760/cma.j.issn.1007-8118.2015.12.009
- VernacularTitle:白细胞介素-1β对胆囊癌细胞生长和迁移的影响
- Author:
Runsheng GUO
;
Peidong SHI
;
Jinbi XIE
;
Yueyu CHEN
- Publication Type:Journal Article
- Keywords:
Interleukin-1β;
Twist gene;
Gallbladder cancer
- From:
Chinese Journal of Hepatobiliary Surgery
2015;21(12):821-825
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the effects of IL-1 β on proliferation and migration of gallbladder cancer cells.Methods The secretion of IL-1 β in tissues of gallbladder cancer, chronic cholecystitis and normal gallbladder as well as in supernatant of gallbladder cancer cell lines (GBC-SD, SGC996) and HIBEpic cells was determined by enzyme-linked immunosorbent assay (ELISA) method.The levels of IL-1 β mRNA in GBC-SD, SGC996 and HIBEpic cells were measured by RT-PCR assay.The effects of exogenous IL-1 β on the proliferation of GBC-SD and SGC996 cells in vitro and in vivo were evaluated using WST-1 assay and xenograft tumor model, respectively.The effects of exogenous IL-1 β on the migration of GBC-SD and SGC996 cells in vitro were measured by Tranwell assay.The levels of Twist protein in GBC-SD and SGC996 ceils were examined by western blot assay after treatment with exogenous IL-1 β.In addition, the proliferation and migration of GBC-SD and SGC996 cells after gene silencing of Twist by Twist-siRNA were also evaluated.Results The level of IL-1β protein in normal gallbladder was low (66.4 ± 35.0)pg/ml,while it was significantly increased in gallbladder cancer and chronic cholecystitis [(616.4 ± 95.7) pg/ml and (422.3 ± 48.9) pg/ml, P ＜ 0.05].The levels of IL-1 βin GBC-SD and SGC996 cell culture medium [(587.4 ± 99.8) pg/ml and (657.2 ± 76.6) pg/ml] were much higher than those in the HIBEpic cells [(38.4± 12.1)pg/ml, P ＜ 0.05].Exogenous IL-1β promoted the proliferation of GBC-SD and SGC996 cells both in vitro and in vivo as well as migration in vitro (P ＜ 0.05).The level of Twist protein was significantly increased after treatment with exogenous IL-1 β.In addition, gene silencing of Twist blocked IL-1 β-induced proliferation and migration of GBC-SD and SGC996 cells.Conclusion IL-1 β promoted proliferation and migration of gallbladder cancer cells via Twist activation.
