The Role of F11R in Pancreatic Cancer Malignancy and Its Clinical Implication as a Therapeutic Target
semanticscholar(2019)
摘要
Abstract
Background
The F11 receptor belongs to the immunoglobulin superfamily and is expressed in epithelial and endothelial cells. F11R mediates the formation of tight junctions between the epithelium and endothelium, and participates in the invasion and metastasis of tumor cells. We have previously shown that the F11R gene is closely related to KRas (P= 0.76), a known therapeutic target for pancreatic cancer (PCa). In recent years, it has been found that F11R is expressed in different tumors and has biological effects.However, according to different tumor cases, different cell lines and experimental conditions, the regulatory results and mechanisms of F11R on tumor are different, even contradictory,and the expression, clinical significance and biological mechanism of F11R in tumor tissues have not been reported in detail.
Results
To investigate the role of F11R in carcinogenesis of PCa and the potential of F11R as a therapies target for PCa, we silenced F11R (-/-) in the PCa cell line PANC-1 (known to express high levels of KRas) using lentiviral approaches.We found that F11R silencing led to decreased cell proliferation, a loss of cell invasiveness, reduced colony forming ability, cell cycle arrest in G1 phase, cells apoptosis enhanced, and ros enhanced. In vitro data showed that inhibition of F11R decreased proliferation and invasiveness of cancer cells.The present results suggest that F11R may be a promising therapeutic target for PCa.
Conclusions
This study used bioinformatics combined with gene chip data to find the gene F11R, which is closely related to KRAS gene, and we used lentivirus to package shRNA plasmid to interfere with the gene F11R in pancreatic cancer panc-1 cells. A series of biobehavioral studies indicated the biobehavioral function and malignancy of panc-1 in pancreatic cancer cells with negative regulation of F11R gene.Based on this, we need to continue to clarify the expression of F11R gene in clinical case samples to determine whether F11R gene can be a new therapeutic target for pancreatic cancer.
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