Effects of vitamin A status on expression of Ucp1 and brown/beige adipocyte-related genes in white adipose tissues of beef cattle
2014
Kanamori, Y. (Kyoto University, Kyoto (Japan). Graduate School of Agriculture, Division of Applied Biosciences) | Yamada, T. | Asano, H. | Kida, R. | Qiao, Y. | Abd Eldaim, M.A. | Tomonaga, S. | Matsui, T. | Funaba, M.
We previously reported the presence of brown/beige adipocytes in the white fat depots of mature cattle. The present study examined the effects of dietary vitamin A on the expression of brown/beige adipocyte-related genes in the white fat depots of fattening cattle. No significant differences were observed in the expression of Ucp1 between vitamin A-deficient cattle and control cattle. However, the expression of the other brown/beige adipocyte-related genes was slightly higher in the mesenteric fat depots of vitamin A-deficient cattle. The present results suggest that a vitamin A deficiency does not markedly affect the expression of Ucp1 in white fat depots, but imply that it may stimulate the emergence of beige adipocytes in the mesenteric fat depots of fattening cattle.
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