番木瓜籽提取物对白色念珠菌及菌丝特异性基因表达的研究

被引:3
作者
易国辉
张菁芸
姚孟霞
陈锦萍
何小稳
机构
[1] 海南医学院科学实验中心
基金
海南省自然科学基金;
关键词
白色念珠菌; 番木瓜籽; 荧光定量PCR; 最小抑菌浓度; 最小杀真菌浓度;
D O I
暂无
中图分类号
R91 [药物基础科学];
学科分类号
100705 [微生物与生化药学];
摘要
目的研究番木瓜籽提取物对游离态白色念珠菌的抑制效果,并探讨对其相关菌丝特异性基因表达的影响。方法采用微量稀释法测定番木瓜籽提取物对白色念珠菌标准株SC5314的最小抑菌浓度(MIC)与最小杀真菌浓度(MFC);采用荧光定量PCR法检测不同浓度的番木瓜籽提取物对白色念珠菌相关菌丝特异性基因Efg1、Als3与Ece1的表达水平。结果番木瓜籽提取物对白色念珠菌的MIC为8μg/mL,MFC为8μg/mL;不同浓度下的番木瓜籽提取物能抑制白色念珠菌相关菌丝基因Efg1、Als3与Ece1的表达,在1μg/mL时,使其分别下调了1.7倍、2.1倍和0.20倍,2μg/mL时,分别下调了3.4倍、2.8倍和1.35倍。结论番木瓜籽提取物能抑制白色念珠菌的生长,并能下调白色念珠菌相关菌丝特异性基因的表达。
引用
收藏
页码:19 / 21
页数:3
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