Regulation of IGFBP-2 expression during fasting

Author:

Kang Hye Suk1,Kim Mi-Young2,Kim Seung-Jae1,Lee Jae-Ho1,Kim Yong-Deuk1,Seo Young-Kyo3,Bae Jae-Hoon1,Oh Goo-Taeg4,Song Dae-Kyu1,Ahn Yong-Ho2,Im Seung-Soon1

Affiliation:

1. Department of Physiology, Keimyung University School of Medicine, Daegu 704-701, Republic of Korea

2. Department of Biochemistry and Molecular Biology, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea

3. School of Life Sciences, UNIST, Ulsan 689-798, Republic of Korea

4. Division of Life and Pharmaceutical Sciences, Ewha Womans University, Seoul 120-750, Republic of Korea

Abstract

Insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2) is known to attenuate the biological action of IGF-1, but its regulatory mechanism remains unclear. We demonstrate the transcriptional regulation of the hepatic Igfbp-2 gene by peroxisome-proliferator-activated receptor (PPAR) α during fasting. We also show how PPARα controls IGF-1 signalling through IGFBP-2.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry

Reference34 articles.

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4. Insulin-like growth factor binding protein (IGFBP) signalling;Ricort;Growth Horm. IGF Res.,2004

5. IGF-dependent and IGF-independent actions of IGF-binding protein-1 and -2: implications for metabolic homeostasis;Wheatcroft;Trends Endocrinol. Metab.,2009

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