Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
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Vitellogenin Induction by Rainbow trout (Oncorhynchus mykiss) Hepatocytes in Primary Culture

무지개송어의 간세포 초대배양에 의한 Vitellogeinin 합성 유도

  • Published : 1998.11.01
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Abstract

Vitellogenin (VTG) induction in response estradiol-17${\beta}$ ($E_2$) were electrophoretically examined in primary hepatocyte cultures in rainbow trout. The hepatocytes were maintained as monolayers on positively charged dishes for up to 7 days. The viability of hepatocytes on Day 7 in cultures decreased about 20.7% and 23.6% with and without $E_2$, respecitively. The amount of DNA per dish also decreased to 13.7% and 14.0% with and without $E_2$, respectively. There were no differences in viability and DNA content between the control and $E_2$-treated culture. Moreover, the rate of VTG to total protein concentrations reached the maxium level at the addition of $10^{-6}$ M E2, to the incubation medium. However, the higher concentration of $10^{-5}$ M $E_2$ rater depressed the level.

무지개송어의 초대배양 간세포에 있어서 Vitellogenin (VTG)의 합성 유도는 전기영동적 수법에 의해 행하였다. 간세포는 7일 동안 phositively charged dish를 이용한 배양으로 단층 확산되었다. 배양 7일의 간세포 생존율은 $E_2$의 유무에 따라 각각 20.7% 및 23.6%가 감소하였으며, DNA함유량도 각각 13.7% 및 14.0%가 감소하였다. $E_2$ 첨가군과 대조군간에는 생존율과 DNA 함유량에 있어서는 유의한 차이가 나타나지 않았다. 그리고, 총 단백질에 대한 VTG의 비율은 $E_2$$10^{-6}$ M의 첨가시에 최대치를 나타내었다. 그러나, 고농도($10^{-5}$M)에서는 오히려 감소하는 경향을 나타내었다.

Keywords

References

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