Total protein was extracted and protein concentration was detected by BCA assay. Western blot analysis was performed as previously described [39 (link)]. EFNB2 (ab69858, Abcam, Cambridge, UK), EPHB4 (ab150545, ab98933, Abcam), LDLR (ab52818, Abcam), β-catenin (ab32572, Abcam), VLDLR (ab203271, Abcam), SCARB1(ab52629, Abcam), STAT3(ab68153, Abcam), p-STAT3(ab267373, Abcam), JAK2(ab108596, Abcam), p-JAK2(ab108596, Abcam), SREBP2(ab30682, Abcam), proliferating cell nuclear antigen (PCNA; Proteintech Group, Inc., Sankt Leon-Rot, Germany) primary antibodies were used. Horseradish peroxidase (HRP)-conjugated Affinipure Goat Anti-Rabbit IgG (H + L) (SA00001-2) and HRP-conjugated Affinipure Goat Anti-Mouse IgG (H + L) (SA00001-1) were obtained from Proteintech Group, Inc (Chicago, US).
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