Hepatocellular carcinoma (HCC) is one of the most deadly cancers in the world. When HCC is diagnosed in the later stage, there is very poor with a 5-year survival rate than 10%-15%. Thus, accurate test for early diagnosis of HCC would significantly improve the clinical outcome of liver cancer. Currently, early diagnosis of HCC is used to measure method as the identification of alpha-fetoprotein (AFP) expression level in serum using AFP antibody. But, the identification and production of AFP antibodies are onerous, and AFP antibodies are also sensitive to temperature. Therefore, new substitutive molecule that can specifically replace AFP antibodies is needed. This study focused on development of aptamer-based AFP detection assay for HCC early diagnosis. AFP aptamers are generated through an in vitro selection process called systematic evolution of ligands by exponential enrichment (SELEX). After 10 rounds of selection, affinity test and interaction between AFP and AFP antibody were performed. These results demonstrate that AFP binding DNA aptamers have high affinity interaction (8.87x10-11) and inhibit interaction between AFP and AFP antibody. Hence, AFP aptamer is adaptable to novel substitution for detecting HCC by binding AFP.
키워드
AFPAptasensorHepatocellular CarcinomaAptamer
저자
Seung-Yong YEON [ Department of Microbiology, College of Natural Sciences, Chungbuk National University. ]
Hyun-Ju UM [ Department of Microbiology, College of Natural Sciences, Chungbuk National University. ]
Yang-Hoon KIM [ Department of Microbiology, College of Natural Sciences, Chungbuk National University. ]
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
1. 생물공학 분야의 발전을 위한 연구 협력
2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
3. 학술연구 발표회, 강연회, 연수회 등 학술활동의 개최
4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
5. 생물공학 발전을 위한 정책 건의
6. 기타 국제 교류 등 본 학회의 목적 달성을 위한 제반 활동
간행물
간행물명
한국생물공학회 학술대회
간기
반년간
수록기간
1985~2013
십진분류
KDC 476DDC 576
이 권호 내 다른 논문 / 한국생물공학회 학술대회 2011년도 한국생물공학회 춘계학술발표대회