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Aims: Mouse models with genetic modifications are required to investigate atherogenesis and associated metabolic syndrome. Adeno-associated virus-8 (AAV8)-mediated overexpression of PCSK9 (AAV8-PCSK9) induces hyperlipidaemia and promotes atherosclerosis in C57BL/6 mice. We aimed to assess whether AAV8-PCSK9-injected C57BL/6 mice fed high-fat diet with added cholesterol (HFD-C) would serve as a model of combined metabolic syndrome and atherosclerosis. Methods and results: monocytes within the adipose tissues of B6-PCSK9-HFD-C and B6-HFD-C compared with B6-Chow controls. Conclusion: High-fat diet with added cholesterol-fed AAV-PCSK9-injected C57BL/6 mice can serve as a useful model of integrated metabolic syndrome and atherosclerosis that does not require genetic manipulations.
Keeter et al. (Wed,) studied this question.