Effects of dietary arginine levels and carbohydrate-to-lipid ratios on mRNA expression of growth-related hormones in largemouth bass, Micropterus salmoides

Highlights ► A nutrition-endocrinological study in largemouth bass was conducted for the first time. ► Dietary Arg levels differentially regulated GH, IGF-I and insulin at transcription level in the source tissues. ► Dietary carbohydrate-to-lipid ratios regulated GH, IGF-I and insulin expression in...

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Veröffentlicht in:	General and comparative endocrinology 2012-10, Vol.179 (1), p.121-127
Hauptverfasser:	Chen, Naisong, Jin, Lina, Zhou, Hengyong, Qiu, Xiaojie
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Arginine Arginine - metabolism Bass - genetics Bass - growth & development Bass - metabolism Carbohydrate Metabolism Carbohydrate-to-lipid ratio Diet Endocrinology & Metabolism Freshwater Gene Expression Regulation - drug effects Growth hormone Growth Hormone - genetics Growth Hormone - metabolism Insulin Insulin - genetics Insulin - metabolism Insulin-Like Growth Factor I - genetics Insulin-Like Growth Factor I - metabolism Insulin-like growth factor-I Largemouth bass Lipid Metabolism Micropterus salmoides RNA, Messenger - metabolism
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Beschreibung
Zusammenfassung:	Highlights ► A nutrition-endocrinological study in largemouth bass was conducted for the first time. ► Dietary Arg levels differentially regulated GH, IGF-I and insulin at transcription level in the source tissues. ► Dietary carbohydrate-to-lipid ratios regulated GH, IGF-I and insulin expression in a ratio-specific manner. ► Hepatic IGF-I mRNA level could be used as an index of growth performance and nutritional fitness.
ISSN:	0016-6480 1095-6840
DOI:	10.1016/j.ygcen.2012.08.004