排序方式: 共有8条查询结果,搜索用时 120 毫秒
1
1.
端粒酶RNA亚基的shRNA对细胞端粒酶活性影响的研究 总被引:1,自引:1,他引:0
[目的]探讨端粒酶RNA亚基(chTR)的短发RNA(shRNA)shRNA对MDCC-MSB1细胞端粒酶活性的影响。[方法]设计合成chTRshRNA并构建表达载体,转染MDCC-MSB1细胞,应用改良TRAP法检测端粒酶活性。[结果]与对照组相比,转染24 h后,各组端粒酶活性变化不明显;转染48 h后,端粒酶活性均显著地下降,且针对模板区设计的干扰载体pSi-chTR-sh1转染后抑制效果最明显。[结论]chTRshRNA表达载体能够有效地抑制MDCC-MSB1细胞的端粒酶活性。 相似文献
2.
·兰圃·在花市闲逛,忽然传来一股类似奶油巧克力的香味,哦,原来是从一个兰花摊位上传来的,走近一看,立刻被它那奇特的模样所吸引:鸡蛋大小的假鳞茎光滑润泽,翠绿鲜亮,如同一个个绿色的荷包,又像翠绿的鹅卵石,顶端生长着修长的叶片,非常别致,其花朵不大,盛开在假鳞茎旁边,与花大色艳的蝴蝶兰、大花蕙兰等种类的洋兰相比,并不是太出色; 相似文献
3.
4.
5.
每年农历的七月初七是传说中牛郎会织女的日子,即民间所说的“七夕节”,此时正是牵牛花盛开的季节。牵牛花是我国传统名花,其枝蔓柔美,花色清新,深受人们喜爱,历代关于牵牛花的文学、艺术作品数不胜数。其中不少都与牛郎织女七夕相会的故事有关。 相似文献
6.
在我国,人们常用“牛”来形容“兴旺、发达、红火”,像股市就有“牛市”与“熊市”之分,而2009年恰是中国农历牛年。名字中带“牛”的花卉品种很多,在多肉植物中就有“卧牛”,这是一种以生长缓慢著称的小型多肉植物,其植株不大,叶片肥厚粗糙,给人以古朴端庄的感觉。 相似文献
7.
8.
端粒酶RNA亚基的shRNA对细胞端粒酶活性的影响(英文) 总被引:1,自引:0,他引:1
[Objective] The study was to investigate the inhibitory effects of shRNA of chTR on telomerase activity in MDCC-MSB1 cells. [Method] The artificially designed and synthesized short hairpin RNA(shRNA) of chicken telomerase RNA(chTR) was used to construct the expression vector that was subsequently transfected to MDCC-MSB1 cells, then the telomerase activity of these cells measured by improved TRAP method. [Result] Compared to the CK group, the telomerase activities in the treatment cells showed no obvious decrease in 24 h after transfection, while decreased remarkably 48 h later, among which in the cells transfected by interference vector pSi-chTR-sh1 presented the most obvious inhibitory effects. [Conclusion] This vector could effectively inhibit the telomerase activities in MDCC-MSB1 cells. 相似文献
1