2006
DOI: 10.1038/nm1447
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Chronic stress promotes tumor growth and angiogenesis in a mouse model of ovarian carcinoma

Abstract: Stress can alter immunological, neurochemical and endocrinological functions, but its role in cancer progression is not well understood. Here, we show that chronic behavioral stress results in higher levels of tissue catecholamines, greater tumor burden and more invasive growth of ovarian carcinoma cells in an orthotopic mouse model. These effects are mediated primarily through activation of the tumor cell cyclic AMP (cAMP)-protein kinase A (PKA) signaling pathway by the beta(2) adrenergic receptor (encoded by… Show more

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Cited by 1,107 publications
(1,283 citation statements)
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“…Surveys of breast cancer survivors, and of those with no history of breast cancer, find that women commonly attribute the experience of stress as a contributory cause of this disease [2][3][4]. This view is supported by animal modelbased psychoneuroimmunological evidence concerning the effects of behavioural stress on tumorigenesis and the biological mechanisms involved [5][6][7]. In addition, psychological distress factors are known to be associated with established anthropometric, behavioural, and lifestyle factors that may contribute to tumour growth and development [5,[8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…Surveys of breast cancer survivors, and of those with no history of breast cancer, find that women commonly attribute the experience of stress as a contributory cause of this disease [2][3][4]. This view is supported by animal modelbased psychoneuroimmunological evidence concerning the effects of behavioural stress on tumorigenesis and the biological mechanisms involved [5][6][7]. In addition, psychological distress factors are known to be associated with established anthropometric, behavioural, and lifestyle factors that may contribute to tumour growth and development [5,[8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…potentiate the proliferation and migration of the cancer cells, inhibit the tumor cell apoptosis, increase the tumor cell invasiveness and metastatic activity, support the neoangiogenesis in the tumor tissue, or suppress the natural killer cell activity (Godbout and Glaser 2006;Sood et al 2006;Th aker et al 2006;Andersen et al 2007;Sephton et al 2009;Hassan et al 2013;Nagaraja et al 2013). Th ese eff ects are mediated especially by neurotransmitters released by sympathetic nerve endings, particularly by norepinephrine (Yang 2010).…”
mentioning
confidence: 99%
“…Aside from causing suppression of CMI, CAs and PGs were shown to increase tumor cell invasion capacity, elevate VEGF secretion by malignant cells (2), and enhance tumor microvascular density (19,20). Accordingly, the blockade of CAs and PGs was indeed suggested to reduce cancer progression via multiple mechanisms (2,(20)(21)(22)(23).…”
mentioning
confidence: 99%