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Updated: Apr 30, 2026

Quantitative Mass Spectrometric Profiling of Cancer-cell Proteomes Derived From Liquid and Solid Tumors
Published on: February 27, 2015
Mass spectrometry-based membrane proteomics in cancer biomarker discovery
George Mermelekas1, Jerome Zoidakis
1Biotechnology Division, Biomedical Research Foundation, Academy of Athens, Greece Soranou Efessiou 4,11527, Athens, Greece.
Abstract:
Membrane proteins are involved in central processes such as cell signaling, cell-cell interactions and communication, ion and metabolite transport and in general play a crucial role in cell homeostasis. Cancer and cancer metastasis have been correlated to protein expression levels and dysfunction, with membrane proteins playing an important role, and are thus used as drug targets and potential biomarkers for prognostic or diagnostic purposes. Despite the critical biological significance of membrane proteins, proteomic analysis has been a challenging task due to their hydrophobicity. In this review, recent advances in the proteomic analysis of membrane proteins are presented, focusing on membrane fraction enrichment techniques combined with labeled or label-free shotgun proteomics approaches for the identification of potential cancer biomarkers.
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