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. 1999 Dec 21;96(26):15274–15279. doi: 10.1073/pnas.96.26.15274

Figure 4.

Figure 4

The expression of IGFBP-2 gene is increased by fasting and decreased by GH treatment in zebrafish. (A) Tissue distribution pattern of IGFBP-2 mRNA. Northern blot analysis of RNA samples isolated from 20-hr embryos (lane 1), whole body of adult zebrafish (lane 2), and brain (lane 3), eye (lane 4), ovary (lane 5), liver (lane 6), intestine (lane 7), muscle (lane 8) and fin (lane 9) collected from adult fish. (B) Effect of fasting on IGFBP-2 mRNA expression. RNA was isolated from fed (control) or fasted adult zebrafish. The values are means ± SE of three animals. *, P < 0.05 compared with the control. (C) Effect of GH on IGFBP-2 mRNA expression. Adult zebrafish were injected with pure seabass GH (1 μg/ml) or saline and sacrificed 15, 24, or 48 hr after the injection. The values are means ± SE of three animals. *, P < 0.05 compared with the control.