To our knowledge this study presents a new in vivo mouse model of nonneurogenic detrusor overactivity caused by systemic atherosclerosis. Decreased bladder wall vascularization seems to be a major factor for detrusor overactivity onset. Capillaries are rarified with reduced lumina due to thickened media. Activated endothelial cells and the infiltration of inflammatory cells in apoE(-/-)LDLR(-/-) mice underlines once more that atherosclerosis is an inflammatory process that may also be relevant to the onset of detrusor overactivity.

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