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AIM:To study the effect of astragalus polysaccharides(Aps)on cholesterol efflux in THP-1 macrophage-derived foam cells.METHODS:After exposed to Aps at different doses,cholesterol efflux and ABCA1 protein levels in cultured THP-1 macrophage-derived foam cells were determined by a ? counter and flow cytometry,respectively.RESULTS:Aps increased cholesterol efflux in THP-1 macrophage-derived foam cells with dose dependent pattern and resulted in an increase in the expression of ABCA1 protein in THP-1 macrophage-derived foam cells.CONCLUSION:The increase in cholesterol efflux by Aps might be related to the up-regulation of ABCA1.
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AIM: To measure microcirculation function in type 2 diabetic patients and non-diabetic subjects with a new measurement method called capillary recruitment. METHODS: 276 type 2 diabetic patients in Shanghai downtown were enrolled and categorized into several groups, those with diabetes duration