인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Fusion proteins combining TNF-related apoptosis inducing ligand (TRAIL) and antibody building blocks have emerged as a strategy for the targeted treatment of cancer cells. Using a single-chain derivative of homotrimeric TRAIL (scTRAIL), several targeted and non-targeted scTRAIL fusion proteins of varying geometries and valencies for TRAIL receptors and target antigens, all comprising an Fc region, were generated. These fusion proteins comprised either 1 or 2 scTRAIL units, i.e. are tri- or hexavalent for TRAIL receptors and in the targeted versions, 1 or 2 binding sites for EGFR. These fusion proteins were analyzed for cell binding and cell death induction using the EGFR-expressing colorectal cancer cell lines Colo205 and HCT116. In line with previous findings, all fusion proteins that were hexavalent for TRAIL receptors exhibited a strongly increased cell killing activity compared to the trivalent ones. Interestingly, the fusion proteins comprising one scTRAIL unit, did not benefit from targeting to EGFR. In contrast, the hexavalent scTRAIL fusion proteins further benefited from EGFR targeting, resulting in an approximately 6- to 30-fold increase in cell killing. In summary, this study shed further light on the influence of geometry and valency of TRAIL fusion proteins and confirmed IgG-scTRAIL fusion proteins as highly potent cell death inducers.
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오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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