Journal
MEAT SCIENCE
Volume 90, Issue 3, Pages 807-813Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2011.11.019
Keywords
VEGF; FGF-2; Adipocyte; Beef cattle
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [21780249]
- Grants-in-Aid for Scientific Research [21780249] Funding Source: KAKEN
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In this experiment, we studied the effects of the dietary roughage/concentrate ratio on the expression of the angiogenic growth factor (VEGF and FGF-2) and the adipogenic transcription factor (C/EBP beta, C/EBP alpha, and PPAR gamma) gene in the adipose tissues of Wagyu steers. Steers were fed a high-roughage diet (R group, 35% roughage and 65% concentrate on a TDN basis) or a high-concentrate diet (C group, 10% roughage and 90% concentrate) during the entire fattening period (from 10 to 30 months of age) with the same amount of TDN intake between groups. In mesenteric and intermuscular adipocytes, the expression of the angiogenic growth factors was higher in the R group than in the C group. In contrast, the expression of adipogenic transcription factors in the subcutaneous and intramuscular adipocytes was higher in the C group than in the R group. These results indicate that the dietary roughage/concentrate ratio affects the fat depot-specific differences in the angiogenic and adipogenic gene expression pattern. (C) 2011 Elsevier Ltd. All rights reserved.
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