Figure 1From: T cell independent secondary antibody responses to the envelope protein of simian immunodeficiency virusWestern blot analyses. 293 T cells were co-transfected with Sgpsyn and the indicated Env expression plasmids. Supernatants of transfected cells (left) and VLPs partially purified and concentrated by ultracentrifugation (right) were analysed by Western blot for SIV proteins.Back to article page