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In the present work, we reported the triterpenoids isolated from n-butanol fraction of Kadsura heteroclita which is a Tujia ethnomedicine with trivial name “Xuetong”. This effort resulted in the isolation of six unpresented triterpenoids xuetongsu A-F (1–6), along with five known triterpenoids (7–11). The structures of the reported compounds were established on the 1D, and 2D NMR and HRESIMS spectra,...
Quercetin's protective effects on the glomerulosclerosis of diabetic nephropathy (DN) in rat mesangial cells were investigated. The cell cycles, type IV collagen and laminin, TGF-β 1 mRNA, Smad 2/3 and Smad 7, and activities of cell antioxidases were measured. Compared with the high glucose group, quercetin may decrease the cell percentages of G 0 /G 1 phase, Smad 2/3 expression,...
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