Glycosylation, which is highly sensitive to the external environment, has been considered as a window reflecting physiological state of cell. Since abnormal glycans are a hallmark of diseases, the characterization of glycans is gaining attention in biomarker research for treatment and diagnosis. In particular, gastric cancer (GC) with various subtypes has highly different clinical results for each patient. Although gastric cancer patients are classified into different subgroups according to genetic profiling and clinical symptoms, targeted treatment is difficult. In this study, we have characterized the glycans obtained from representative GC cell lines including SNU-1, SNU-16, SNU-5, NCI-N87, AGS, KATO-Ⅲ, MNK-45 and MKN-74. In order to selectively separate the glycans located on the cell surface, the cell membrane extraction was first performed. Subsequently, glycans were enzymatically released, enriched and profiled via PGC nanoLC/MS and LC/MS/MS. Using normalized glycan intensity, a correlation among GC cell lines was examined through hierarchical analysis. The heterogeneity of each cell line was distinguished by moietise of glycans such as fucosylation, sialylation, LacdiNAc and bisecting structures. These results suggested that the glycan signatures of each cell line can differentiate GC cell lines. A deeper understanding of glycan profiling in different subtypes of gastric cancer may provide important clues for precision medicine and tumor targeted treatment.
저자
Jihyeon Nam [ Graduate School of Analytical Science and Technology, Chungnam National University, Asia-pacific Glycomics Reference Site, Daejeon, 34134, Korea ]
Jung-A Seo [ Graduate School of Analytical Science and Technology, Chungnam National University, Asia-pacific Glycomics Reference Site, Daejeon, 34134, Korea ]
Nari Seo [ Graduate School of Analytical Science and Technology, Chungnam National University, Asia-pacific Glycomics Reference Site, Daejeon, 34134, Korea ]
Hyun Joo An [ Graduate School of Analytical Science and Technology, Chungnam National University, Asia-pacific Glycomics Reference Site, Daejeon, 34134, Korea ]
본 학회는 화학, 생화학, 분자생물학, 미생물학, 식품공학, 의학, 약학, 유전공학 및 생물공학, 환경 및 기타 공업 등 전 분야의 탄수화물관련 이론과 기술을 연구 발전시키고 산학협동을 통해 이를 보급하여 국내 관련 산업의 발전 및 국민생활의 과학화에 기여하고자 하며, 이러한 목표와 비젼의 실현을 위해 회원들이 적극적인 참여와 활동을 전개하고자 한다.
간행물
간행물명
한국당과학회 학술대회
간기
연간
수록기간
2006~2022
십진분류
KDC 517DDC 614
이 권호 내 다른 논문 / 한국당과학회 학술대회 2020 한국당과학회 연례학술대회(온라인)