FIGURE 4. Autoradiographic study of representative coronal histologic sections of front paws of 3 individual mice: 1 control (A), 1 with untreated arthritis at day 26 (B), and 1 with steroid-treated arthritis (C). Mice were sacrificed 1 h after tail vein injection of 37–55 MBq (1–1.5 mCi) of ^99mTc-annexin V. Frozen sections (50 µm) were obtained and exposed overnight on tritium phosphor screen. Screens were then read out with resolution of 50 µm.

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