สืบค้นงานวิจัย
Up-regulation of MIR-21 is associated with cervicitis and human papillomavirus infection in cervical tissues
Bumrungthai S. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Up-regulation of MIR-21 is associated with cervicitis and human papillomavirus infection in cervical tissues
ผู้แต่ง / หัวหน้าโครงการ (EN): Bumrungthai S.
บทคัดย่อ (EN): MicroRNA-21 (miR-21) is recognized as an oncomir and shows up-regulation in many types of human malignancy. The aim of this study was to investigate the association of miR-21 expression associated with HPV infection in normal and abnormal cervical tissues. Cervical tissue samples with different cytological or histopathological grades were investigated for HPV by PCR and for miR-21 and programmed cell death, protein 4 (PDCD4) expression using quantitative real-time PCR (qRT-PCR). Laser capture microdissection (LCM) of stromal and epithelial tissues and in situ hybridization (ISH) using locked nucleic acid (LNA) probes were performed on a subset of fixed specimens. Cell line experiments were conducted on fibroblasts stimulated in culture media from HeLa cells, which were then assessed for miR-21, PDCD4, IL-6 and α-SMA expression by qRT-PCR. Twenty normal cervical cell, 12 cervicitis, 14 cervical intraepithelial neoplastic I (CIN I), 22 CIN II-III and 43 cervical squamous cell carcinoma (SCC) specimens were investigated. miR-21 levels were significantly lower in normal than in abnormal tissues. The expression of miR-21 in HPV negative normal cytology was significantly lower than in HPV positive samples in abnormal tissue and SCC. The miR-21 expression was significantly higher in HPV negative cervicitis than HPV negative normal cells. LCM and ISH data showed that miR-21 is primarily expressed in the tumor-associated stromal cell microenvironment. Fibroblasts treated with HeLa cell culture media showed up-regulated expression of miR-21, which correlated with increased expression of α-SMA and IL-6 and with down-regulation of PDCD4. These results demonstrate that miR-21 is associated with HPV infection and involved in cervical lesions as well as cervicitis and its up-regulation in tumor-stroma might be involved in the inflammation process and cervical cancer progression. © 2015 Bumrungthai et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84944146028&doi=10.1371%2fjournal.pone.0127109&partnerID=40&md5=d7bdf74d4ce66162413f8282674454b7
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Uterine Cervicitis
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Bumrungthai S.. "Up-regulation of MIR-21 is associated with cervicitis and human papillomavirus infection in cervical tissues". ไม่ระบุหน่วยงาน. ม.ป.ป.

Bumrungthai S.. "Up-regulation of MIR-21 is associated with cervicitis and human papillomavirus infection in cervical tissues". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Up-regulation of MIR-21 is associated with cervicitis and human papillomavirus infection in cervical tissues
Bumrungthai S.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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