期刊
CANCER BIOLOGY & THERAPY
卷 14, 期 11, 页码 1005-1006出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/cbt.26339
关键词
primary tumor development; autonomic nervous system; prostate cancer; metastasis; beta 2-beta 3-adrenergic receptors; stromal cholinergic muscarinic receptor type 1
类别
In a study recently published in Science, Magnon et al. show that both the sympathetic and parasympathetic components of the autonomic nervous system play an integral part in the development and dissemination of prostate cancer (PCa). Inhibition of the sympathetic nervous system (SNS) and disruption of the adrenergic receptors, specifically Ard beta 2, resulted in the prevention of primary PCa tumor development in mice. The authors found that inhibition of the SNS is only successful in preventing murine tumor development if completed early enough, and the parasympathetic nervous system (PNS) predominates in later stages of PCa. Inhibition of the PNS by way of the cholinergic receptor, muscarinic 1 (Chrm1), caused mice to develop less metastases to the pelvic lymph nodes, intestines, and bones. A PCa progression scheme has been outlined where initial tumor engraftment is controlled by the SNS but then becomes less prominent than the PNS, which promotes metastasis. The investigators showed the dependence of the autonomic nervous system on development of PCa and present opportunities for prevention; further studies are needed to confirm these results in humans.
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