respiratory system
• primary pulmonary endothelial cells show reduced tubulogenic capacity in the absence or presence of added arachidonic acid
• the epoxygenase 11,12-epoxyeicosatrienoic acid metabolite restores the tubulogenic capacity of primary pulmonary endothelial cells
• VEGF fails to stimulate the tubulogenesis of primary pulmonary endothelial cells in culture as it does in wild-type cells
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• primary pulmonary endothelial cells show reduced growth rates in culture under non-stimulated conditions
• the epoxygenase 11,12-epoxyeicosatrienoic acid metabolite restores the proliferative capacity of primary pulmonary endothelial cells
• VEGF fails to stimulate the proliferation of primary pulmonary endothelial cells in culture as it does in wild-type cells
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neoplasm
• tumor vascularization and growth are blunted in mutants injected with murine p60.5 cells compared to wild-type and treatment with Wyeth 14,643, a PPARalpha-selective ligand has no effect on tumors in mutants unlike in wild-type
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cellular
• primary pulmonary endothelial cells show reduced growth rates in culture under non-stimulated conditions
• the epoxygenase 11,12-epoxyeicosatrienoic acid metabolite restores the proliferative capacity of primary pulmonary endothelial cells
• VEGF fails to stimulate the proliferation of primary pulmonary endothelial cells in culture as it does in wild-type cells
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cardiovascular system
• mice fed a high potassium diet show increased systemic blood pressure
• amiloride treatment abolishes the high potassium-induced hypertension
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growth/size/body
• mutants fed a high potassium diet gain weight unlike wild-type mice which lose weight
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homeostasis/metabolism
• the increase in plasma aldosterone levels induced by a high potassium diet in wild-type mice is smaller in mutants
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• mice fed a high potassium diet show increased plasma sodium concentration
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• mice fed a high potassium diet show decreased 24-hour urinary sodium excretion
• however potassium excretion is normal in mice fed a high potassium diet
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renal/urinary system
• mice fed a high potassium diet show decreased 24-hour urinary sodium excretion
• however potassium excretion is normal in mice fed a high potassium diet
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• high potassium intake fails to increase 11,12-epoxyeicosatrienoic acid formation in the cortical collecting ducts as it does in wild-type mice
• mice do not show an increase in whole-cell amiloride-sensitive sodium currents in principal cells of cortical collecting ducts in response to N-methylsulfonyl-6-(2-propargyloxyphenyl)hexanamide, an inhibitor of CYP epoxygenase, as is seen in wild-type cells
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