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1.
Oncol Res ; 26(3): 345-352, 2018 Apr 10.
Article in English | MEDLINE | ID: mdl-28550682

ABSTRACT

Cervical cancer is a common malignancy of the female reproductive system. Long noncoding RNAs (lncRNAs) have been reported to modulate tumor progression in multiple cancers. The lncRNA antisense noncoding RNA in the INK4 locus (ANRIL) has been identified as an oncogenic molecular target in several tumors; however, the function and underlying mechanism involved in cervical cancer oncogenesis are still unclear. In the present study, RT-PCR showed that ANRIL expression was significantly upregulated in cervical cancer tumors and cell lines. Nevertheless, ANRIL knockdown transfected with interference oligonucleotide inhibited the proliferation activity and invasive ability, and promoted apoptosis of cervical cancer cell lines. The bioinformatics prediction program and luciferase assay predicted and validated that miR-186 directly targeted ANRIL. The expression level of miR-186 was downregulated in cervical cancer tumors and cell lines and was negatively correlated to that of ANRIL. Moreover, rescue experiments showed that miR-186 inhibitor could reverse the suppression of ANRIL knockdown. In summary, our study demonstrated that the ANRIL/miR-186 axis might play a vital role in cervical cancer tumorigenesis.


Subject(s)
Biomarkers, Tumor/genetics , Cell Proliferation , MicroRNAs/genetics , RNA, Long Noncoding/genetics , Uterine Cervical Neoplasms/pathology , Apoptosis , Carcinogenesis , Cell Movement , Female , Gene Expression Regulation, Neoplastic , Humans , Prognosis , Tumor Cells, Cultured , Uterine Cervical Neoplasms/genetics , Uterine Cervical Neoplasms/metabolism
2.
Article in Chinese | MEDLINE | ID: mdl-21624257

ABSTRACT

OBJECTIVE: To evaluate the ultrasound (US) features of the encapsulated papillary thyroid carcinoma (EPTC). METHODS: Based on ultrasonographic features including shape, size, border, echogenicity, hypoechoic halo and microcalcification, 33 cases of EPTC were classified into two groups: 21 cases in irregular shape group and 12 cases in spherical or oval shape group. RESULTS: EPTC in the irregular shape group showed some ultrasonographic features including jagged border, irregular tumor shape and marked hypoechogenicity, while the ultrasonographic features of EPTC in the spherical or oval shape group included smooth border, regular shape, isoechogenicity and hypoechoic halo. Hypoechoic halo and isoechogenicity were found more frequently in EPTC of spherical or oval shape group than those in EPTC of irregular shape group. The size of EPTC in the spherical or oval group was commonly larger than that of EPTC in the irregular shape group. CONCLUSIONS: The findings indicate that EPTC have some ultrasonographic features similar to benign follicular thyroid tumors.


Subject(s)
Thyroid Neoplasms/diagnostic imaging , Adolescent , Adult , Carcinoma , Carcinoma, Papillary , Female , Humans , Male , Middle Aged , Thyroid Cancer, Papillary , Ultrasonography , Young Adult
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