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. 2016 Sep 23;14:276. doi: 10.1186/s12967-016-1032-4

Fig. 6.

Fig. 6

Summary of pathways by leptin on PCSK9 and LDLR expression in HepG2 cells. Stimulation of p38MAPK pathway by leptin increased expression of nuclear HNF1α which could bind to PCSK9 promoter, leading to increase PCSK9 expression in HepG2 cells. The increased PCSK9 leaded to elevated LDLR degradation and inhibited LDL uptake