Fig. 3From: TGFβRI antagonist inhibits HIV-1 Nef-induced CC chemokine family ligand 2 (CCL2) in the brain and prevents spatial learning impairmentNef does not change the amount of total SMAD4 in astrocytes and neurons. a–d Total SMAD4 expression in astrocytes and neurons show no significant difference between Nef and GFP samples; neither when treated with SD208. e Representative immunoblot of total SMAD4 in astrocytes expressing Nef or GFP confirms total SMAD4 protein expressionBack to article page