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RISS 인기검색어
- 검색키워드
- 저자 : Choon-Ryoul Sihn (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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Induction of apoptosis in chicken oviduct cells by C2-ceramide.
Kim, Sung Hak,Choi, Ji Young,Sihn, Choon-Ryoul,Suh, Eun Jung,Kim, Sun Young,Choi, Kang Duk,Jeon, Iksoo,Han, Jae Yong,Kim, Tae-Yoon,Kim, Sang Hoon Korean Society for Molecular Biology 2005 Molecules and cells Vol.19 No.2
<P>The chicken oviduct is a dynamic organ that produces secretory proteins such as ovalbumin and its cells undergo cell proliferation and differentiation. There has been no study of the cellular mechanism involved in cell death in the chicken oviduct. Therefore, this study has focused on the study of apoptosis in primary oviduct cells. Because ceramide is known to activate apoptosis in tumor cells and is produced in the oviduct, we used an exogenous ceramide analog to induce cell death. The viability of ceramide-treated chicken oviduct cells decreased in a dose-dependent manner and apoptotic cells were detected by staining with annexin V. The expression of apoptosis-related genes was assessed by RT-PCR and bcl-2 mRNA was found to decrease after exposure to ceramide while Bcl-x mRNA increased 12 h post-treatment. In addition, caspase-3 was expressed strongly in the early stages of apoptosis, while caspase-1 and -9 transcripts increased at later times. We conclude that ceramide induces apoptosis in oviduct-derived primary cells via a caspase- and bcl-2- dependent pathway.</P>
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Induction of Apoptosis in Chicken Oviduct Cells by C2-Ceramide
김성학,김상훈,Ji Young Choi,Choon-Ryoul Sihn,서은정,Sun Young Kim,최강덕,Iksoo Jeon,한재용,김태윤 한국분자세포생물학회 2005 Molecules and cells Vol.19 No.2
The chicken oviduct is a dynamic organ that produces secretory proteins such as ovalbumin and its cells undergo cell proliferation and differentiation. There has been no study of the cellular mechanism involved in cell death in the chicken oviduct. Therefore, this study has focused on the study of apoptosis in primary oviduct cells. Because ceramide is known to activate apoptosis in tumor cells and is produced in the oviduct, we used an exogenous ceramide analog to induce cell death. The viability of ceramide-treated chicken oviduct cells decreased in a dose-dependent manner and apoptotic cells were detected by staining with annexin V. The expression of apoptosis-related genes was assessed by RT-PCR and bcl-2 mRNA was found to decrease after exposure to ceramide while Bcl-x mRNA increased 12 h post-treatment. In addition, caspase-3 was expressed strongly in the early stages of apoptosis,while caspase-1 and -9 transcripts increased at later times. We conclude that ceramide induces apoptosis in oviduct-derived primary cells via a caspase- and bcl-2-dependent pathway.
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