KSHV targets multiple leukocyte lineages during long-term productive infection in NOD/SCID mice
J. Clin. Invest. Christopher H. Parsons, et al. 116:1963 doi:10.1172/JCI27249 [
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Figure 2KSHV latent and lytic protein expression escalated over time following intravenous injection of NOD/SCID mice. NOD/SCID spleens were collected 1 month (
A and
B) and 4 months (
C and
D) after intravenous injection with PBS (
A), KSHV (
B and
C), and UV-KSHV (
D). Spleen sections were incubated with DAPI (blue) and mAbs to either LANA (
A–
D, large panels) or K8.1 (
C and
D, insets) and the images merged to assess colocalization. Solely to emphasize the qualitative aspects of the LANA staining pattern, we chose
C from a mouse spleen with one of the highest overall infection rates (3%). Staining characteristic of cytoplasmic or cell-surface localization of K8.1 was also evident within rare cells (approximately 0.01%) in sections from KSHV-injected mice (
C, inset, arrows) while no staining over background staining was observed within sections from UV-KSHV–injected mice (
D, inset). Original magnification, ×40 (large panels); ×20 (insets).