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Details for article 13 of 16 found articles
| Title: |
Refeeding increases hepatic insulin-like growth factor-I (IGF-I) gene expression and plasma IGF-I concentration in fasted chicks |
| Author: |
Kita, K. |
| Appeared in: |
British poultry science |
| Paging: | Volume 39 (1998) nr. 5 pages 679-682 |
| Year: |
1998-12 |
| Contents: |
1. We examined the influence of refeeding after 2 d of fasting on plasma insulin-like growth factor-I (IGF-I) concentration and hepatic IGF-I gene expression in chickens at 6 weeks of age. 2. Hepatic IGF-I mRNA was measured by ribonuclease protection assay and plasma IGF-I concentration was determined by radioimmunoassay. 3. Plasma IGF-I concentration decreased following fasting, increased to the level of fed controls after 2 h of refeeding but then fell back to the level of fasted chickens after 6 h of refeeding. 4. Fasting reduced hepatic IGF-I mRNA concentrations to less than half of those in the fed controls. Refeeding increased IGF-I mRNA sharply at 2 h after refeeding, but by 6 h after refeeding they had taller back again to levels significantly lower than at 2 h. 5. A significant correlation between plasma IGF-I concentration and hepatic IGF-I gene expression was found, suggesting that when chicks are refed after 2 d of fasting, the short-term increase in plasma IGF-I concentration may be partly regulated by the alteration in hepatic IGF-I mRNA. |
| Publisher: |
Taylor & Francis |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 13 of 16 found articles
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