Journal: International Journal of Molecular Sciences
Article Title: Neuroglobin Regulates Wnt/β-Catenin and NFκB Signaling Pathway through Dvl1
doi: 10.3390/ijms19072133
Figure Lengend Snippet: Ngb promotes the proteasomal degradation of Dvl1. ( A ) SK-N-SH cells were seeded in 6-well plate and transfected with plasmids as described. Cells were harvested after 24 h post-transfection. ( B ) SK-N-SH cells were cultured in 6 cm plate and transfected with the increased amount of HA-Ngb as described. Western blot was used to detect the expression of Dvl1 and Dvl2. densitometric analysis of western blot showed the effect of Ngb on Dvl1 and Dvl2 protein levels. β-actin served as equal loading controls. (Mean ± SD). n = 3, * p < 0.05, ** p < 0.01 versus cells transfected with empty plasmid. ( C ) 2 μg HA-Ngb or empty plasmid (pCMV-HA) was co-transfected with 0.5 μg Myc-Dvl1. After 12 h of post-transfection, cells were treated with CHX for 0, 1, 2, and 4 h. ( D ) Cells were treated with DMSO, MG132, or NH 4 Cl for 8 h. Densitometric analysis of western blot showed the effect of MG132 and NH 4 Cl on the Ngb-induced degradation of Dvl1β-actin served as equal loading controls. (Mean ± SD). n = 3, * p < 0.05, ** p < 0.01 versus cells transfected with controls as described. ( E ) His-Ub and Myc-Dvl1 were co-transfected with HA-Ngb or empty plasmid (pCMV-HA) into SK-N-SH cells. Then the His-ubiquitinated proteins were isolated from cell extracts using NTA agarose. Western blot was used to detect ubiquitinated Dvl1.
Article Snippet: Cell lysates were incubated with anti-Dvl1 rabbit polyclonal antibodies and Protein A/G plus-agarose (Santa Cruz) at 4 °C overnight.
Techniques: Transfection, Cell Culture, Western Blot, Expressing, Plasmid Preparation, Isolation