Molecular Pathways: Beta-Adrenergic Signaling in Cancer
Top Cited Papers
- 1 March 2012
- journal article
- review article
- Published by American Association for Cancer Research (AACR) in Clinical Cancer Research
- Vol. 18 (5), 1201-1206
- https://doi.org/10.1158/1078-0432.ccr-11-0641
Abstract
Beta-adrenergic signaling has been found to regulate multiple cellular processes that contribute to the initiation and progression of cancer, including inflammation, angiogenesis, apoptosis/anoikis, cell motility and trafficking, activation of tumor-associated viruses, DNA damage repair, cellular immune response, and epithelial–mesenchymal transition. In several experimental cancer models, activation of the sympathetic nervous system promotes the metastasis of solid epithelial tumors and the dissemination of hematopoietic malignancies via β-adrenoreceptor–mediated activation of protein kinase A and exchange protein activated by adenylyl cyclase signaling pathways. Within the tumor microenvironment, β-adrenergic receptors on tumor and stromal cells are activated by catecholamines from local sympathetic nerve fibers (norepinephrine) and circulating blood (epinephrine). Tumor-associated macrophages are emerging as key targets of β-adrenergic regulation in several cancer contexts. Sympathetic nervous system regulation of cancer cell biology and the tumor microenvironment has clarified the molecular basis for long-suspected relationships between stress and cancer progression, and now suggests a highly leveraged target for therapeutic intervention. Epidemiologic studies have linked the use of β-blockers to reduced rates of progression for several solid tumors, and preclinical pharmacologic and biomarker studies are now laying the groundwork for translation of β-blockade as a novel adjuvant to existing therapeutic strategies in clinical oncology. Clin Cancer Res; 18(5); 1201–6. ©2011 AACR.This publication has 58 references indexed in Scilit:
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