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Insulin tolerance test. Changes in glucose levels from baseline in (A) IGF-2 wild-type (Iw) and (B) IGF-2 transgenic (I+) mice. (C) Representative examples of pancreatic β-islets visualized with anti-insulin antibody of IGF-2 wild-type (wt) and IGF-2 transgenic (tg) mice; n ∇ 4–6 mice/group.
