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. 2015 Nov 3;310(1):E24–E31. doi: 10.1152/ajpendo.00379.2015

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Fig. 4. — System A amino acid transporter activity in [Leu²⁷]IGF-II- (n = 7, 51 fetuses) and vehicle-treated (n = 8, 60 fetuses) C57 mice. A: unidirectional ^14CMeAIB transfer per gram placenta (kmf) (median ± interquartile range). Variation was significantly reduced in [Leu²⁷]IGF-II-treated mice (P = 0.05). B: transfer (kmf) was inversely correlated with placental weight in both groups ([Leu²⁷]IGF-II: P = 0.011, r² = 0.198; vehicle: P = 0.0007, r² = 0.186). C: transfer (kmf) is inversely correlated with fetal weight in [Leu²⁷]IGF-II-treated animals only (P < 0.01, line of best fit presented).