癌变·畸变·突变 ›› 2009, Vol. 21 ›› Issue (2): 98-101.doi: 10.3969/j.issn.1004-616x.2009.02.005

• 论著 • 上一篇    下一篇

金黄色葡萄球菌L型感染和k-ras基因点突变在卵巢癌发生发展中的相关性

俞 岚1,汪万英2,甘怀勇1   

  1. 1.蚌埠医学院病理学教研室,感染与免疫重点实验室,安徽 蚌埠 233030; 2.蚌埠医学院附属医院中心实验室,安徽 蚌埠 233004
  • 收稿日期:2008-05-15 修回日期:2008-11-25 出版日期:2009-03-30 发布日期:2009-03-30

Correlation of Staphylococcus Aureus L-form Infection and Mutation of k-ras in Ovarian Carcinomas

YU Lan1, WANG Wan-ying2, GAN Huai-yong1   

  1. 1.Department of Pathology, Bengbu Medical College, Bengbu 233030; 2. Department of Pathology, Affiliated Hospital of Bengbu Medical College,Bengbu 233004, China
  • Received:2008-05-15 Revised:2008-11-25 Online:2009-03-30 Published:2009-03-30

摘要: 背景与目的: 探讨金葡菌L型感染和k-ras基因点突变在卵巢癌发生发展中的相关性。 材料与方法: 应用革兰染色、PCR-FLRP分析技术检测97例卵巢乳头状癌、23例卵巢乳头状瘤石蜡包埋组织中金葡菌L型的感染率及k-ras基因点突变情况。 结果: 卵巢乳头状癌组织中伴有金葡菌L型感染的有25例,检出率为25.8% (25/97),该组k-ras基因密码子12突变率为45.4%;卵巢乳头状瘤组织中伴有金葡菌L型感染的有3例,检出率为13.0%(3/23),该组k-ras基因密码子12突变率为8.7%。金葡菌L型感染与k-ras基因点突变的关系,经Spearman等级相关分析,乳头状癌组为r=0.504 7,P<0.05,乳头状瘤组为r=-0.119 5,P>0.05。 结论: 卵巢乳头状癌组织中金葡菌L型感染与k-ras基因点突变具有正相关关系,而乳头状瘤则不具有相关性。

关键词: 卵巢肿瘤, 金黄色葡萄球菌L型, 聚合酶链反应, 限制性片段长度多态性

Abstract: BACKGROUND AND AIM: To explore the correlation of staphylococcus aureus L-form infection and mutation of k-ras in ovarian carcinomas. MATERIALS AND METHODS: Gram staining and PCR-FLRP were used for detection of bacterial L-forms in paraffin-embeded tissues of 97 ovarian papillary carcinomas and 23 benign tumors. RESULTS: The positive rate of L-forms in ovarian carcinomas was 25.8%(25/97),and in this group, the mutation rate of k-ras at codon 12 was 45.5%.However the positive rate of L-forms in ovarian benign tumors was only 13.0%(3/23),and in this group, the mutation rate of k-ras at codon 12 was only 8.7%.With Spearman analysis, the malignant group was r=0.504 7(P<0.05);and the benign group was r=-0.119 5(P>0.05). CONCLUSION: Infection of L-forms had a positive correlation with point mutation of k-ras in malignant tumors but not in benign tumors.

Key words: ovarian neoplasms, staphylococcus aureus L-forms, polymerase chain reaction, restriction fragment length polymorphism