The mouse C2C12 myoblast cell surface N-linked glycoproteome: Identification, glycosite occupancy, and membrane orientation

Rebekah L. Gundry, Kimberly Raginski, Yelena Tarasova, Irina Tchernyshyov, Damaris Bausch-Fluck, Steven T. Elliott, Kenneth R. Boheler, Jennifer E. Van Eyk, Bernd Wollscheid

Research output: Contribution to journalArticle

Abstract

Endogenous regeneration and repair mechanisms are responsible for replacing dead and damaged cells to maintain or enhance tissue and organ function, and one of the best examples of endogenous repair mechanisms involves skeletal muscle. Although the molecular mechanisms that regulate the differentiation of satellite cells and myoblasts toward myofibers are not fully understood, cell surface proteins that sense and respond to their environment play an important role. The cell surface capturing technology was used here to uncover the cell surface N-linked glycoprotein subproteome of myoblasts and to identify potential markers of myoblast differentiation. 128 bona fide cell surface-exposed N-linked glycoproteins, including 117 transmembrane, four glycosylphosphatidylinositol-anchored, five extracellular matrix, and two membrane-associated proteins were identified from mouse C2C12 myoblasts. The data set revealed 36 cluster of differentiation-annotated proteins and confirmed the occupancy for 235 N-linked glycosylation sites. The identification of the N-glycosylation sites on the extracellular domain of the proteins allowed for the determination of the orientation of the identified proteins within the plasma membrane. One glycoprotein transmembrane orientation was found to be inconsistent with Swiss-Prot annotations, whereas ambiguous annotations for 14 other proteins were resolved. Several of the identified N-linked glycoproteins, including aquaporin-1 and β-sarcoglycan, were found in validation experiments to change in overall abundance as the myoblasts differentiate toward myotubes. Therefore, the strategy and data presented shed new light on the complexity of the myoblast cell surface subproteome and reveal new targets for the clinically important characterization of cell intermediates during myoblast differentiation into myotubes.

Original languageEnglish (US)
Pages (from-to)2555-2569
Number of pages15
JournalMolecular and Cellular Proteomics
Volume8
Issue number11
DOIs
StatePublished - 2009

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Myoblasts
Glycoproteins
Glycosylation
Membranes
Membrane Proteins
Proteins
Repair
Sarcoglycans
Aquaporin 1
Skeletal Muscle Fibers
Glycosylphosphatidylinositols
Cell membranes
Muscle
Satellites
Tissue
Differentiation Antigens
Extracellular Matrix
Regeneration
Cell Differentiation
Skeletal Muscle

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Analytical Chemistry

Cite this

Gundry, R. L., Raginski, K., Tarasova, Y., Tchernyshyov, I., Bausch-Fluck, D., Elliott, S. T., ... Wollscheid, B. (2009). The mouse C2C12 myoblast cell surface N-linked glycoproteome: Identification, glycosite occupancy, and membrane orientation. Molecular and Cellular Proteomics, 8(11), 2555-2569. https://doi.org/10.1074/mcp.M900195-MCP200

The mouse C2C12 myoblast cell surface N-linked glycoproteome : Identification, glycosite occupancy, and membrane orientation. / Gundry, Rebekah L.; Raginski, Kimberly; Tarasova, Yelena; Tchernyshyov, Irina; Bausch-Fluck, Damaris; Elliott, Steven T.; Boheler, Kenneth R.; Van Eyk, Jennifer E.; Wollscheid, Bernd.

In: Molecular and Cellular Proteomics, Vol. 8, No. 11, 2009, p. 2555-2569.

Research output: Contribution to journalArticle

Gundry, RL, Raginski, K, Tarasova, Y, Tchernyshyov, I, Bausch-Fluck, D, Elliott, ST, Boheler, KR, Van Eyk, JE & Wollscheid, B 2009, 'The mouse C2C12 myoblast cell surface N-linked glycoproteome: Identification, glycosite occupancy, and membrane orientation', Molecular and Cellular Proteomics, vol. 8, no. 11, pp. 2555-2569. https://doi.org/10.1074/mcp.M900195-MCP200
Gundry, Rebekah L. ; Raginski, Kimberly ; Tarasova, Yelena ; Tchernyshyov, Irina ; Bausch-Fluck, Damaris ; Elliott, Steven T. ; Boheler, Kenneth R. ; Van Eyk, Jennifer E. ; Wollscheid, Bernd. / The mouse C2C12 myoblast cell surface N-linked glycoproteome : Identification, glycosite occupancy, and membrane orientation. In: Molecular and Cellular Proteomics. 2009 ; Vol. 8, No. 11. pp. 2555-2569.
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