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何恒, 王洪明, 迟晶, 中国医科大学附属第一医院消化科 辽宁省沈阳市 110001
背景资料 抗生素的广泛应用使H pylori对抗生素的耐药性和耐药率逐渐增加, 而对H pylori的根除率却逐渐降低, 选择快速敏感价廉的分子生物学技术对H pylori耐药基因进行检测, 成为了临床医生选择合理抗生素的关键.
同行评议者 杨昭徐, 教授, 首都医科大学附属北京天坛医院消化科
研发前沿 目前对H pylori研究的重点是耐药基因及其检测, 开发快速、敏感、价廉的应用分子生物学技术对其耐药基因进行检测, 并应用于临床, 成为亟待解决的问题.
相关报道 胡伏莲 et al在H pylori耐药研究进展中, 从H pylori的流行病学、耐药机制、根除失败原因、治疗及研制和开发H pylori疫苗的重要性进行了多层次分析.
创新盘点 本文根据国内外最新资料, 分析了目前H pylori对抗生素的耐药及其耐药基因位点的突变, 并对目前研究的多种分子生物学技术的原理及其检测耐药基因的优缺点做了相应的比较.
应用要点 分子生物学技术对H pylori基因的耐药位点进行检测, 必将提高H pylori的根除率.
名词解释 PCR为基础的变性高效液相色谱分析技术(PCR–DHPLC): 由于杂合子个体和纯合子个体的DNA扩增产物的解链特征不同, 在部分加热变性的条件下, 根据色谱峰形的不同来确定有无突变, 然后再利用序列分析的方法来确定突变的类型和位点.
同行评价 本文立题较新颖, 且参考文献较新, 行文流畅, 是一篇较好的文章, 有一定的参考价值.
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编辑 程剑侠 电编 郭海丽
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