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Article
Open AccessA monoclonal antibody against KCNK9 K+ channel extracellular domain inhibits tumour growth and metastasis
Two-pore domain potassium (K2P) channels act to maintain cell resting membrane potential—a prerequisite for many biological processes. KCNK9, a member of K2P family, is implicated in cancer, owing to its overe...
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Article
Divergent roles of CXCR3 isoforms in promoting cancer stem-like cell survival and metastasis
There is growing evidence that several chemokine receptors including CXCR3 contribute to metastasis of breast and other cancers, however, in order to target CXCR3 effectively, it is critical to understand the...
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Article
Frondoside A inhibits breast cancer metastasis and antagonizes prostaglandin E receptors EP4 and EP2
Frondoside A, derived from the sea cucumber Cucumaria frondosa has demonstrable anticancer activity in several models, however, the ability of Frondoside A to affect tumor metastasis has not been reported. Using ...
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Article
Antagonism of the prostaglandin E receptor EP4 inhibits metastasis and enhances NK function
Cyclooxygenase-2 (COX-2) is associated with aggressive breast cancers. The COX-2 product prostaglandin E2 (PGE2) acts through four G-protein-coupled receptors designated EP1–4. Malignant and immortalized normal m...
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Article
The chemokine receptors CXCR4 and CXCR3 in cancer
Chemokines comprise a superfamily of at least 46 cytokines that were initially described based on their ability to bind to 18 to 22 G protein-coupled receptors to induce the directed migration of leukocytes to...
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Book
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The CXCR3/CXCL3 Axis in Cancer
CXCR3 is a G protein-coupled receptor that binds the chemokines CXCL9 (Mig), CXCL10 (IP-10), and CXCL11 (I-Tac). The murine receptor also binds CCL21. CXCR3 is expressed on activated T cells, B cells, Natural ...
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Chapter
Chemokine Receptors in Cancer: Pathobiology and Potential Therapeutic Targets
Many chemokine receptors have now been detected in a variety of malignancies. Considerable data now exist that two receptors, CXCR4 and CCR7, are widely expressed in epithelial cancers and contribute to the ab...
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Article
Cyclooxygenase inhibitors modulate NK activities that control metastatic disease
Cyclooxygenase (COX) inhibitors have demonstrated efficacy in models of human cancer but the relevant mechanisms have not all been elucidated. Both Cox-dependent as well as Cox-independent mechanisms have been...
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Article
Promoter methylation regulates cyclooxygenase expression in breast cancer
Overexpression of cyclooxygenase (COX-2) is commonly observed in human cancers. In a murine model of metastatic breast cancer, we observed that COX-2 expression and enzyme activity were associated with enhanced t...
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Article
Cyclooxygenase Inhibitors Block Cell Growth, Increase Ceramide and Inhibit Cell Cycle
We have shown previously in a model of metastatic breast cancer that murine mammary tumor cells express both cyclooxygenase-1 (Cox-1) and Cox-2 isoforms. Growth and metastasis of these tumors in syngeneic host...
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Article
Sublethal oxidative stress inhibits tumor cell adhesion and enhances experimental metastasis of murine mammary carcinoma
We have postulated that murine mammary tumor progression is fueled, in part, by tumor-associated macrophages that deliver sub-lethal oxidative stress to tumor cells. In the present study, we determined whether...
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Chapter
Prostaglandins and Tumor Metastasis
There is considerable evidence that lipids, and specifically prostaglandins (pgs), can contribute to progressive tumor growth (1). Many studies provide evidence that lipids can contribute to early steps in car...
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Chapter
Prostaglandins in Breast Cancer
The prostaglandins (PGs) are a group of lipids synthesized from arachidonic acid via the cyclooxygenase pathway; other cyclooxygenase products, including thromboxane and prostacyclin, as well as lipoxygenase- ...