MicroRNA miR-548d is a superior regulator in pancreatic cancer
H Heyn, S Schreek, R Buurman, T Focken… - Pancreas, 2012 - journals.lww.com
H Heyn, S Schreek, R Buurman, T Focken, B Schlegelberger, C Beger
Pancreas, 2012•journals.lww.comObjectives This study aimed to identify microRNAs as novel biomarkers for improved
diagnosis, prognosis prediction, and as a therapeutic target for pancreatic cancer.
microRNAs may have a general role by acting as superordinated key regulators of
tumorigenesis. Methods Individual cellular molecules of multiple pathways associated with
pancreatic cancer were analyzed for common microRNA binding sites, thereby enabling the
identification of key regulating microRNAs. The potential of the identified microRNAs was …
diagnosis, prognosis prediction, and as a therapeutic target for pancreatic cancer.
microRNAs may have a general role by acting as superordinated key regulators of
tumorigenesis. Methods Individual cellular molecules of multiple pathways associated with
pancreatic cancer were analyzed for common microRNA binding sites, thereby enabling the
identification of key regulating microRNAs. The potential of the identified microRNAs was …
Abstract
Objectives
This study aimed to identify microRNAs as novel biomarkers for improved diagnosis, prognosis prediction, and as a therapeutic target for pancreatic cancer. microRNAs may have a general role by acting as superordinated key regulators of tumorigenesis.
Methods
Individual cellular molecules of multiple pathways associated with pancreatic cancer were analyzed for common microRNA binding sites, thereby enabling the identification of key regulating microRNAs. The potential of the identified microRNAs was subsequently determined in cell culture experiments.
Results
Using bioinformatic pathway analyses, miR-548d was identified to target multiple components of pancreatic cancer–related pathways. The effect of microRNA on pancreatic cells was determined by overexpression studies using PANC-1 cells, resulting in impaired cell proliferation because of increased apoptosis and cell cycle arrest. In addition, miR-548d overexpression led to a sensitization to gemcitabine.
Conclusions
MicroRNA miR-548d was identified as a potential superior regulator for the development and progression of pancreatic cancer by targeting multiple factors of crucial pathways. Therapeutically, microRNAs with superordinate function, such as miR-548d, may be promising diagnostic and therapeutic tools for the future treatment of pancreatic cancer.
Lippincott Williams & Wilkins