Identification of Plasma Membrane Glycoproteins Specific to Human Glioblastoma Multiforme Cells Using Lectin Arrays and LC-MS/MS

Yae Eun Park, Jeonghun Yeom, Young Soo Kim, Hye Jin Lee, Ki Cheol Han, Seung Taek Lee, Cheolju Lee, Ji Eun Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Glioblastoma, also known as glioblastoma multiforme (GBM), is the most malignant type of brain cancer and has poor prognosis with a median survival of less than one year. While the structural changes of tumor cell surface carbohydrates are known to be associated with invasive behavior of tumor cells, the cell surface glycoproteins to differentiate the low- and high-grade glioma cells can be potential diagnostic markers and therapeutic targets for GBMs. In the present study, lectin arrays consisting of eight lectins were employed to explore cell surface carbohydrate expression patterns on low-grade oligodendroglioma cells (Hs683) and GBM cells (T98G). Griffonia simplicifolia I (GS I) was found to selectively bind to T98G cells and not to Hs683 cells. For identification of the glioblastoma-specific cell surface markers, the glycoproteins from each cell type were captured by a GS I lectin column and analyzed by LC-MS/MS. The identified proteins from the two cell types were quantified using label-free quantitative analysis based on spectral counting. Of cell surface glycoproteins showing significant increases in T98G cells, five proteins were selected for verification of both protein and glycosylation level changes using Western blot and GS I lectin-based immunosorbent assay.

Original languageEnglish
Article number1700302
JournalProteomics
Volume18
Issue number1
DOIs
Publication statusPublished - 2018 Jan

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Membrane Glycoproteins
Cell membranes
Glioblastoma
Lectins
Cell Membrane
Tumors
Cells
Carbohydrates
Glycosylation
Immunosorbents
Proteins
Labels
Assays
Brain
Glycoproteins
Chemical analysis
Griffonia
Oligodendroglioma
Griffonia simplicifolia lectins
Brain Neoplasms

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology

Cite this

Park, Yae Eun ; Yeom, Jeonghun ; Kim, Young Soo ; Lee, Hye Jin ; Han, Ki Cheol ; Lee, Seung Taek ; Lee, Cheolju ; Lee, Ji Eun. / Identification of Plasma Membrane Glycoproteins Specific to Human Glioblastoma Multiforme Cells Using Lectin Arrays and LC-MS/MS. In: Proteomics. 2018 ; Vol. 18, No. 1.
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Identification of Plasma Membrane Glycoproteins Specific to Human Glioblastoma Multiforme Cells Using Lectin Arrays and LC-MS/MS. / Park, Yae Eun; Yeom, Jeonghun; Kim, Young Soo; Lee, Hye Jin; Han, Ki Cheol; Lee, Seung Taek; Lee, Cheolju; Lee, Ji Eun.

In: Proteomics, Vol. 18, No. 1, 1700302, 01.2018.

Research output: Contribution to journalArticle

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