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. 2020 Nov 12;12(11):1297. doi: 10.3390/v12111297

Figure 1.

Figure 1

Photomicrographs of in situ hybridization study of SIV RNA expression in the brains of animals from this study. Signals representing SIV RNA are red, nuclei counterstained with hematoxylin are blue. (A) Low power (original magnification 100×) from animal 17T, revealing abundant expression. (B–E) Medium power (original magnification 200×) revealing cells with the morphological appearance of perivascular macrophages (B, from animal 21T), macrophage clusters (C, from animal 32T), and cells with the morphological appearance of activated microglia (D,E, from animal 34T).