[1]田英,王双勇,赵雅,等.宫颈癌组织细胞中Numb基因表达及相关性研究[J].现代检验医学杂志,2015,30(06):42-45.[doi:10.3969/j.issn.1671-7414.2015.06.012]
　TIAN Ying,WANG Shuang-yong,ZHAO Ya,et al.Study on Correlation and Expression of Numb Gene in Cervical Cancer[J].Journal of Modern Laboratory Medicine,2015,30(06):42-45.[doi:10.3969/j.issn.1671-7414.2015.06.012]
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宫颈癌组织细胞中Numb基因表达及相关性研究()
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《现代检验医学杂志》[ISSN:/CN:]

卷:
第30卷
期数:
2015年06期
页码:
42-45
栏目:
论著
出版日期:
2015-12-30

文章信息/Info

Title:
Study on Correlation and Expression of Numb Gene in Cervical Cancer
作者:
田英; 王双勇; 赵雅; 兰雅娴
西安市第一医院，西安710002
Author(s):
TIAN Ying; WANG Shuang-yong; ZHAO Ya; LAN Ya-xian
the First Hospital of Xi’an，Xi’an 710002，China
关键词:
Numb基因; 宫颈癌; 细胞增殖
分类号:
R737.33；R730.43
DOI:
10.3969/j.issn.1671-7414.2015.06.012
文献标志码:
A
摘要:
目的探讨Numb基因在宫颈癌组织中的表达及对宫颈癌细胞增殖的影响。方法收集30例正常宫颈组织、56例宫颈癌组织和17例原位癌组织采用免疫组织化学染色观察Numb基因的表达情况。通过构建siRNA表达载体下调宫颈癌HeLa细胞株中内源性Numb基因表达，MTT实验检测下调Numb表达后细胞增殖能力的变化。结果免疫组织化学染色结果显示，Numb在宫颈癌及原位癌中的表达明显高于正常宫颈组织，其阳性表达率分别为72.2%，69.6%和60%，(χ2=30.259，P<0.05)。siRNA干扰宫颈癌HeLa细胞，干扰后Numb基因的蛋白表达水平(灰度值分别为：0.51±0.04和0.56±0.05)较对照组(灰度值分别为：0.78±0.06和0.75±0.05)明显下降(t=4.2，P<0.05)。MTT实验显示，干扰Numb基因后HeLa细胞培养第1，3，5和7天时，增殖活力(吸光度值分别为：0.211±0.061，0.235±0.013，0.438±0.051和0.773±0.032)较对照组(吸光度值分别为：0.225±0.047，0.300±0.026，0.549±0.039和1.023±0.041)显著下降，差异具有统计学意义(t=5.1，P<0.05)。结论Numb基因在宫颈癌组织中高表达，Numb在宫颈癌中可能通过促进癌细胞的增殖而促进宫颈癌的进展。
Abstract:
ObjectiveTo investigate the expression of Numb gene in cervical cancer and its effect on the proliferation of cervical cancer cells．MethodsTheexpression of Numb protein was detected in 30 normal peoples，56 cases with cervical cancer and 17 cases with carcinoma in situ by immunohistochemistry assay．The siRNA technology was used to downregulate the endogenous expression of Numb in cervical cancer HeLa cell．Then MTT assay were applied to observe the change of cell proliferation．ResultsThe expressions of Numb in cervical cancer in situ and invasive cervical cancer were significantly higher than in normal cervix and the positive rates were 72.2%，69.6% and 60% respectively (χ2=30.259，P<0.05)．The expression of Numb was significantly decreased in HeLa cells(0.78±0.06 and 0.75±0.05) by siRNA (0.51±0.04 and 0.56±0.05)(t=4.2，P<0.05)．In 1，3，5 and 7 days，MTT assay showed that cell proliferation rates were dramatically decreased in the interfered Hela cells (absorbance value：0.211±0.061，0.235±0.013，0.438±0.051 and 0.773±0.032 respectively) than the control (absorbance value：0.225±0.047，0.300±0.026，0.549±0.039 and 1.023±0.041 respectively)．ConclusionNumb was over-expressed in cervical cancer and took part in cervical cancer progress through accelerating cell proliferation．

参考文献/References:

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备注/Memo

备注/Memo:
作者简介：田英(1978-)，女，在读博士研究生，主治检验医师，研究方向：生物化学与分子生物学，E-mail：tianyi7879@126.com。
更新日期/Last Update: 1900-01-01