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Basic Information

Classification Information

Regulatory Mechanism		Biological Function		Clinical Application
TF		Immune		Survival
Enhancer		Apoptosis		Drug
Variant		Cell Growth		Circulating
MiRNA		EMT		Metastasis
Methylation		Coding Ability		Recurrence

Cancer&Entry Information

Cancer Name	pancreatic cancer
ICD-0-3	C25
Methods	qPCR, Western blot, Luciferase reporter assay, in vitro knockdown
Sample	The PDAC cell lines BxPC3 and HPDE, HEK293T cells, PDAC tissue
Expression Pattern	up-regulated
Function Description	circRNA_100782 was markedly upregulated in PDAC tissue. Functional experiments revealed that circRNA_100782 downregulation inhibited BxPC3 cell proliferation and colony formation. Loss-of-function studies showed that knockdown of circRNA_100782 inhibited cell proliferation by downregulating the microRNA-124 (miR-124) target genes interleukin-6 receptor (IL6R) and signal transducer and activator of transcription 3 (STAT3). Overexpression of miR-124 also inhibited BxPC3 cell proliferation by reducing the expression of IL6R and STAT3, which was consistent with the result of silencing circRNA_100782. In addition, luciferase assay revealed that miR-124 was a direct target of circRNA_100782. Silencing STAT3 inhibited BxPC3 cell proliferation and colony formation. Cell viability was reduced in BxPC3 cells treated with si-circRNA_100782 and miR-124 mimic, and this effect could be attenuated by activating STAT3.
Pubmed ID	29255366
Year	2017
Title	CircRNA_100782 regulates pancreatic carcinoma proliferation through the IL6-STAT3 pathway

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