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논문 기본 정보

자료유형
학술저널
저자정보
Park, Chang Seok (Hanwoo Research Institute, National Institute of Animal Science, RDA) Cho, Sang-Rae (Hanwoo Research Institute, National Institute of Animal Science, RDA) Park, Young Sik (Department of Animal Science and Biotechnology, Kyungpook National University)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제30권 제2호
발행연도
2015.1
수록면
83 - 89 (7page)

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The sexual maturation occurred by the changes of steroid hormones was known to sex-dependently and/or age-dependently regulate the lipid metabolism in various animal species. Our current study demonstrates that lipid and its functional fatty acids can be changed depending on the status of sexual maturation. Of the functional fatty acids, ${\gamma}$-linolenic acid (GLA; 18:3n-6) is an important factor for maintaining human health. The purpose of our study was to investigate the level of GLA in mice with different stages of sexual maturation. To this end, the longissimus muscle (LM) of immature (3-week-old) and mature (7-week-old) female mice was analysed for the fatty acid composition by gas chromatography. Furthermore, both gene and protein level of ${\Delta}6$ desaturase (FADS2) which is involved in GLA metabolism by real time PCR and Western blotting, respectively. Mature females showed greater (P<0.05) serum $17{\beta}$-estradiol (E2) level and LM GLA contents than immature group. The mRNA and protein levels of FADS2, which converts precursor linoleic acid into GLA, were higher (P<0.05) in mature female mice than in immature mice. In conclusion, these results show that sexual maturation of female mice induces GLA and FADS2 contents in LM.

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