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Plasma lipid profile comparison of five different cancers by nanoflow ultrahigh performance liquid..
  • 작성일2020-02-04
  • 최종수정일2020-02-10
  • 담당부서연구기획과
  • 연락처043-719-8033
  • 894

Analytica Chimica Acta, 2019. 1063, 117-126, DOI: https://doi.org/10.1016/j.aca.2019.02.021


Plasma lipid profile comparison of five different cancers by nanoflow ultra high performance liquid chromatography-tandem mass spectrometry

Gwang Bin Lee, Jong Cheol Lee;Myeong Hee Moon


Highlights

• Plasma lipids from patients with five different cancers were compared by nUHPLC-MS/MS.
• PE, LPE, and PE plasmalogen were significantly decreased in all cancers, except thyroid cancer.
• Of 50 selected lipids (>2-fold change; p < 0.05), 33 were significantly changed in multiple cancers.
• Eighteen lipids were found to be unique to only one cancer type.


Abstract

A comprehensive lipidomic analysis at the molecular level using nanoflow ultrahigh performance liquid chromatography-electrospray ionization-tandem mass spectrometry (nUHPLC-ESI-MS/MS) was performed to elucidate the lipid profiles of patient blood samples from five commonly found cancers (liver, lung, gastric, colorectal, and thyroid), which were then compared with the lipid profiles of healthy controls. From a total of 335 lipids identified and quantified, 50 high abundance lipids showing significant changes (>2-fold and p < 0.01) in at least one of the five cancers (vs. controls) were analysed. Lipid species were found to be significantly associated with more than one type of cancer; the numbers of lipid species found as significantly changed in all five, four, three, two, and one type of cancer were 1, 8, 8, 15, and 17, respectively. Among these, the high abundance phosphatidylethanolamine species, including lysophosphatidylethanolamine and PE plasmalogen, was significantly low in four cancer types, but was high in thyroid cancer. Receiver operating characteristic analysis resulted in the selection of lipids specific to each cancer: liver (four phosphatidylinositols and diacylglycerol 16:1_18:0), gastric (phosphatidylcholine 34:2, 36:3, and 36:4, and lysophosphatidic acid 18:2), lung (lysophosphatidylinositol 16:0, sphingomyelin d18:1/20:0, and triacylglyceride 50:1 and 54:4), and thyroid (lysophosphatidylinositol 18:0 and 18:1). Our results provide a basis for future validation of cancer-specific lipid markers with high diagnostic ability.



  • 본 연구는 질병관리본부 연구개발과제연구비를 지원받아 수행되었습니다.
  • This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.


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