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Figure 2 | BMC Microbiology

Figure 2

From: Response to Dengue virus infections altered by cytokine-like substances from mosquito cell cultures

Figure 2

Phase contrast photomicrographs of C6/36 cells at 2 days post-challenge with DEN-2. (A) Unchallenged naïve control cells. (B) Untreated C6/36 cells challenged with DEN-2 stock and showing cytopathic, fused giant cells. (C) C6/36 cells pre-treated with the 5 kDa filtrate before challenge with the DEN-2 stock and showing fewer cytopathic, fused giant cells than the untreated cells in B. (D) C6/36 cells exposed to the whole supernatant solution from cultures persistently infected with DEN-2 and showing similar cytopathology to that in B. (E) C6/36 cells exposed to the 5 kDA filtrate (control not challenged with DEN-2) and showing no cytopathology (i.e., similar to A with no DEN-2 infection). (F) C6/36 cells exposed to the wash from the upper side of the 5 kDa membrane and showing the greatest number of cytopathic giant cells (i.e., more than that in B and similar to Figure 1D).

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