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Articles 1 - 2 of 2
Full-Text Articles in Medical Cell Biology
Inpp4b Suppresses Prostate Cancer Cell Invasion, Myles C. Hodgson, Elena I. Deryugina, Egla Suarez, Sandra M. Lopez, Dong Lin, Hui Xue, Ivan P. Gorlov
Inpp4b Suppresses Prostate Cancer Cell Invasion, Myles C. Hodgson, Elena I. Deryugina, Egla Suarez, Sandra M. Lopez, Dong Lin, Hui Xue, Ivan P. Gorlov
Dartmouth Scholarship
INPP4B and PTEN dual specificity phosphatases are frequently lost during progression of prostate cancer to metastatic disease. We and others have previously shown that loss of INPP4B expression correlates with poor prognosis in multiple malignancies and with metastatic spread in prostate cancer.
We demonstrate that de novo expression of INPP4B in highly invasive human prostate carcinoma PC-3 cells suppresses their invasion both in vitro and in vivo. Using global gene expression analysis, we found that INPP4B regulates a number of genes associated with cell adhesion, the extracellular matrix, and the cytoskeleton. Importantly, de novo expressed INPP4B suppressed the proinflammatory chemokine …
Analysis Of Mutant Platelet-Derived Growth Factor Receptors Expressed In Pc12 Cells Identifies Signals Governing Sodium Channel Induction During Neuronal Differentiation., Gary R. Fanger, Richard R. Vaillancourt, Lynn E. Heasley, Jean-Pierre P. Montmayeur, Gary L. Johnson, Robert A. Maue
Analysis Of Mutant Platelet-Derived Growth Factor Receptors Expressed In Pc12 Cells Identifies Signals Governing Sodium Channel Induction During Neuronal Differentiation., Gary R. Fanger, Richard R. Vaillancourt, Lynn E. Heasley, Jean-Pierre P. Montmayeur, Gary L. Johnson, Robert A. Maue
Dartmouth Scholarship
The mechanisms governing neuronal differentiation, including the signals underlying the induction of voltage-dependent sodium (Na+) channel expression by neurotrophic factors, which occurs independent of Ras activity, are not well understood. Therefore, Na+ channel induction was analyzed in sublines of PC12 cells stably expressing platelet-derived growth factor (PDGF) beta receptors with mutations that eliminate activation of specific signalling molecules. Mutations eliminating activation of phosphatidylinositol 3-kinase (PI3K), phospholipase C gamma (PLC gamma), the GTPase-activating protein (GAP), and Syp phosphatase failed to diminish the induction of type II Na+ channel alpha-subunit mRNA and functional Na+ channel expression by PDGF, as determined by RNase …