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Erschienen in: Journal of Cancer Research and Clinical Oncology 1/2018

09.10.2017 | Original Article – Cancer Research

Cannabinoid receptor 2 as a novel target for promotion of renal cell carcinoma prognosis and progression

verfasst von: Jianfeng Wang, Yunze Xu, Liangsong Zhu, Yun Zou, Wen Kong, Baijun Dong, Jiwei Huang, Yonghui Chen, Wei Xue, Yiran Huang, Jin Zhang

Erschienen in: Journal of Cancer Research and Clinical Oncology | Ausgabe 1/2018

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Abstract

Purpose

Renal cell carcinoma (RCC) is the most common malignancy of urogenital system, and patients with RCC may face a poor prognosis. However, limited curable therapeutic options are currently available. The aim of this study is to investigate the role of Cannabinoid receptor 2 (CB2) in RCC progression.

Methods

Immunohistochemistry was to investigate the expression pattern of CB2 in 418 RCC tissues and explore its prognostic function in RCC patients. Furthermore, the role of used CB2 si-RNA knockdown and inhibited by AM630, a CB2 inverse agonist, on cell proliferation, migration, and cell cycle of RCC cell lines in vitro was also investigated.

Results

We observed that CB2 was up-regulated in RCC tissues, and presented as an independent prognostic factor for overall survival of RCC patients and higher CB2 expression tends to have poor clinical outcomes in survival analyses. Moreover, we also observed that CB2, incorporated with pN stage, pathological grade, and recurrence or distant metastasis after surgery, could obviously enhance their prognostic accuracy in a predictive nomogram analysis. In addition, knockdown or inhibition by AM630 for the expression of CB2 in vitro could significantly decreased cell proliferation and migration, and obviously induced cell cycle arrest in G2/M of RCC cells.

Conclusions

CB2 expression is functionally related to cellular proliferation, migration, and cell cycle of RCC cells. Our data suggest that CB2 might be a potential therapeutic target for RCC.
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Metadaten
Titel
Cannabinoid receptor 2 as a novel target for promotion of renal cell carcinoma prognosis and progression
verfasst von
Jianfeng Wang
Yunze Xu
Liangsong Zhu
Yun Zou
Wen Kong
Baijun Dong
Jiwei Huang
Yonghui Chen
Wei Xue
Yiran Huang
Jin Zhang
Publikationsdatum
09.10.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Cancer Research and Clinical Oncology / Ausgabe 1/2018
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-017-2527-y

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