2012
DOI: 10.1074/jbc.m112.365999
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CCL2/CCR2 Chemokine Signaling Coordinates Survival and Motility of Breast Cancer Cells through Smad3 Protein- and p42/44 Mitogen-activated Protein Kinase (MAPK)-dependent Mechanisms

Abstract: Background: CCR2 is a chemokine receptor up-regulated in breast cancer cells. Results: Inhibiting the activity of CCR2 and downstream signaling proteins Smad3 and MAPK significantly reduces CCL2-induced survival and motility. Conclusion: CCR2 regulates CCL2-induced breast cancer cell survival and motility through MAPK-and Smad3-dependent mechanisms. Significance: Learning how CCR2 functions in breast cancer cells enhances our understanding of how cells survive and migrate.

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Cited by 175 publications
(173 citation statements)
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“…All aforementioned stimuli were shown to promote cancer progression by enhancing cancer cell proliferation, migration, and invasion (32)(33)(34). Although TGF-␤1 and CCL2 increased cell surface expression of ENO-1 (Fig.…”
Section: Eno-1 Exteriorization Is Triggered By Stimuli Promotingmentioning
confidence: 99%
“…All aforementioned stimuli were shown to promote cancer progression by enhancing cancer cell proliferation, migration, and invasion (32)(33)(34). Although TGF-␤1 and CCL2 increased cell surface expression of ENO-1 (Fig.…”
Section: Eno-1 Exteriorization Is Triggered By Stimuli Promotingmentioning
confidence: 99%
“…[27][28][29] CCL2 modulates macrophage recruitment to breast tumors and also signals to breast cancer cells to modulate tumor survival and invasion. [30][31][32][33] Antibody neutralization of CCL2 inhibits growth and invasion of breast tumor xenografts. [32][33][34] Previous studies have primarily examined CCL2 expression for its association with macrophages in breast cancer and patient prognosis and have reported different results.…”
mentioning
confidence: 99%
“…MCP-1 is expressed at relatively low levels in normal mammary epithelial tissue and circulating plasma, but increases dramatically with breast cancer progression. 13,[33][34][35] Recently, MCP-1 has been shown to signal to breast cancer cells to regulate survival and invasion, 14 promote primary tumor growth, 15 and mediate breast cancer metastasis. 36 Interestingly, TNBC educated macrophages secrete higher amounts of MCP-1 than macrophages co-cultered with estrogen receptor positive breast cancer.…”
Section: Discussionmentioning
confidence: 99%
“…11 In mammary tumors, overexpression of MCP-1 correlates with increased recruitment of macrophages and infiltration into the tumor environment that can facilitate tumor progression through macrophage-mediated angiogenesis 12 and through secretion of growth and survival factors. 13 Recent studies demonstrate that MCP-1 also signals to breast cancer cells to regulate survival and invasion 14 as well as promote primary tumor growth. 15 While these reports indicate that MCP-1 can regulate multiple mechanisms involved in breast cancer progression, its role in TNBC has not yet been fully elucidated.…”
Section: Introductionmentioning
confidence: 99%