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Impact of ethylacetate extract from Squilla oratoria on cell proliferation and cycle in nasopharyngeal cell line CNE-2Z
Author(s): LI Mingyong, HUANG Peichun, KONG Xia
Pages: 98-
100
Year: 2010
Issue:
2
Journal: China Journal of Cancer Prevention and Treatment
Keyword: nasopharyngeal neoplasms; crustacea; cell proliferation; cell cycle;
Abstract: 目的:观察口虾蛄乙酸乙酯提取物对鼻咽癌CNE-2Z细胞增殖和周期的影响。方法:MTT比色法检测药物对细胞的增殖抑制率,[3H]-TdR标记法测定药物对细胞DNA合成的影响,流式细胞术分析细胞周期。结果:口虾蛄乙酸乙酯提取物对CNE-2Z细胞的增殖和DNA合成有显著的抑制作用,并呈明显的时间-剂量依赖关系,当提取物浓度>400μg/mL时,其对CNE-2Z细胞的掺入抑制率高于浓度为20μg/mL的5-FU对该细胞系的掺入抑制率。流式细胞术检测结果显示,随着乙酸乙酯提取物浓度的增加,G1期和G2/M期细胞所占的百分比逐渐降低,S期细胞所占百分比逐渐增加,P<0.01。结论:口虾蛄乙酸乙酯提取物能抑制CNE-2Z细胞的增殖效应,其机制可能与引起细胞周期阻滞于S期有关。
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