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암 관련 단백질인 MAGE의 작용의 분석 원문보기
Functional Analysis of MAGE, a Tumor-Associated protein

  • 저자

    공지혜

  • 학위수여기관

    昌原大學校 大學院

  • 학위구분

    국내석사

  • 학과

    생물·미생물학과

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    43p.

  • 키워드

    암 단백질 MAGE MAGE-A1 MAGE-A3 암세포;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T9465936&outLink=K  

  • 초록

    MAGE belongs to a large family of tumor associated antigens that are expressed in tumors but not in normal adult tissues except few normal cell types. However, its cellular function has not been characterized. In this study, we screened tumor cell lines for hMAGE-A1, -A2, and -A3 gene expression by RT-PCR and then examined sensitivity of the cell lines to TNF cytotoxicity. Cell lines which express at least one of the three hMAGE-A genes were more resistant to TNF cytotoxicity than cell lines expressing none of the MAGE genes. By stably expressing hMAGE-A1 or hMAGE-A3 mRNA in the ME-180 line of human cervical carcinoma cells, which do not express any member of hMAGE genes examined, it was possible to isolate clones in which hMAGE-A1 or hMAGE-A3 expression is constitutively expressed. Such clones display diminished sensitivity to cytotoxicity mediated by TNF, indicating that MAGE-A1 or MAGE-A3 is a protective protein. These results should contribute to understanding biological functions of MAGE.


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