LIN28B fosters colon cancer migration, invasion and transformation through let-7-dependent and -independent mechanisms
نویسندگان
چکیده
منابع مشابه
LIN28B Promotes Colon Cancer Migration and Recurrence
LIN28B is involved in "stemness" and tumourigenesis by negatively regulating the maturation of let-7 microRNA family members. In this study, we showed that LIN28B expression promotes migration and recurrence of colon cancer. Immunohistochemistry and reverse-transcription polymerase chain reactions were performed to detect LIN28B expression in colon cancer tissue microarrays, paraffin-embedded s...
متن کاملLin28A and Lin28B Inhibit let-7 MicroRNA Biogenesis by Distinct Mechanisms
Lin28A and Lin28B selectively block the expression of let-7 microRNAs and function as oncogenes in a variety of human cancers. Lin28A recruits a TUTase (Zcchc11/TUT4) to let-7 precursors to block processing by Dicer in the cell cytoplasm. Here we find that unlike Lin28A, Lin28B represses let-7 processing through a Zcchc11-independent mechanism. Lin28B functions in the nucleus by sequestering pr...
متن کاملLIN28B suppresses microRNA let-7b expression to promote CD44+/LIN28B+ human pancreatic cancer stem cell proliferation and invasion.
Although the highly proliferative, migratory, and multi-drug resistant phenotype of human pancreatic cancer stem cells (PCSCs) is well characterized, knowledge of their biological mechanisms is limited. We used CD44 and LIN28B as markers to screen, isolate, and enrich CSCs from human primary pancreatic cancer. Using flow cytometry, we identified a human primary pancreatic cancer cell (PCC) subp...
متن کاملLIN28B promotes colon cancer progression and metastasis.
LIN28B is a homologue of LIN28 that induces pluripotency when expressed in conjunction with OCT4, SOX2, and KLF4 in somatic fibroblasts. LIN28B represses biogenesis of let-7 microRNAs and is implicated in both development and tumorigenesis. Recently, we have determined that LIN28B overexpression occurs in colon tumors. We conducted a comprehensive analysis of LIN28B protein expression in human ...
متن کاملLncRNA DANCR promotes migration and invasion through suppression of lncRNA-LET in gastric cancer cells
Gastric cancer (GC) is one of the most prevalent gastrointestinal malignancies. Long noncoding RNA (lncRNA) DANCR is a newly identified oncogenic lncRNA. However, the functional role and underlying molecular mechanisms of DANCR involved in GC progress remain unclear. In the present study, we investigated the biological function and underlying mechanisms of DANCR in GC cell migration and invasio...
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ژورنال
عنوان ژورنال: Oncogene
سال: 2011
ISSN: 0950-9232,1476-5594
DOI: 10.1038/onc.2011.131