Future oncology (London, England) · 2014
Microarray analysis revealed markedly differential miRNA expression profiles in cervical intraepithelial neoplasias and invasive squamous cell carcinoma.
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Liang Shuang, Tian Tian, Liu Xubin, Shi Huijuan, Tang Cuilan, Yang Shicong, Wang Liantang, Chen Shangwu, Yu Li
Аннотация
AIMS: To investigate the alterations in miRNA expression during the progression of dysplasia in cervical epithelium.
METHODS: A global miRNA expression profile of normal cervical squamous epithelium (Normal), cervical intraepithelial neoplasia (CIN) 3 and invasive squamous cell carcinoma (ISCC) was produced using the seventh generation of the miRCURY™ LNA microRNA Array (Exiqon, Vedbaek, Denmark). The reliability of miRNA arrays was verified by reverse transcription PCR.
RESULTS: Normal, CIN 3 and ISCC showed distinct miRNA expression profiles. The differentially expressed miRNAs in ISCC versus CIN 3 clearly differed from that in CIN 3 versus Normal. Compared with ISCC versus Normal, more identical miRNAs were found in ISCC versus CIN 3 than in CIN 3 versus Normal.
CONCLUSION: A particular set of miRNAs was associated with the progression of normal cervical epithelium to CIN 3 and CIN 3 to ISCC. The miRNA profile changed more noticeably in the progression of CIN to ISCC than normal cervical epithelium to CIN.
METHODS: A global miRNA expression profile of normal cervical squamous epithelium (Normal), cervical intraepithelial neoplasia (CIN) 3 and invasive squamous cell carcinoma (ISCC) was produced using the seventh generation of the miRCURY™ LNA microRNA Array (Exiqon, Vedbaek, Denmark). The reliability of miRNA arrays was verified by reverse transcription PCR.
RESULTS: Normal, CIN 3 and ISCC showed distinct miRNA expression profiles. The differentially expressed miRNAs in ISCC versus CIN 3 clearly differed from that in CIN 3 versus Normal. Compared with ISCC versus Normal, more identical miRNAs were found in ISCC versus CIN 3 than in CIN 3 versus Normal.
CONCLUSION: A particular set of miRNAs was associated with the progression of normal cervical epithelium to CIN 3 and CIN 3 to ISCC. The miRNA profile changed more noticeably in the progression of CIN to ISCC than normal cervical epithelium to CIN.