Secretome analysis using a hollow fiber culture system for cancer biomarker discovery

Kuo Hsun Chiu, Ying Hua Chang, Pao-Chi Liao

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Secreted proteins, collectively referred to as the secretome, were suggested as valuable biomarkers in disease diagnosis and prognosis. However, some secreted proteins from cell cultures are difficult to detect because of their intrinsically low abundance; they are frequently masked by the released proteins from lysed cells and the substantial amounts of serum proteins used in culture medium. The hollow fiber culture (HFC) system is a commercially available system composed of small fibers sealed in a cartridge shell; cells grow on the outside of the fiber. Recently, because this system can help cells grow at a high density, it has been developed and applied in a novel analytical platform for cell secretome collection in cancer biomarker discovery. This article focuses on the advantages of the HFC system, including the effectiveness of the system for collection of secretomes, and reviews the process of cell secretome collection by the HFC system and proteomic approaches to discover cancer biomarkers. The HFC system not only provides a high-density three-dimensional (3D) cell culture system to mimic tumor growth conditions in vivo but can also accommodate numerous cells in a small volume, allowing secreted proteins to be accumulated and concentrated. In addition, cell lysis rates can be greatly reduced, decreasing the amount of contamination by abundant cytosolic proteins from lysed cells. Therefore, the HFC system is useful for preparing a wide range of proteins from cell secretomes and provides an effective method for collecting higher amounts of secreted proteins from cancer cells. This article is part of a Special Issue entitled: An Updated Secretome.

Original languageEnglish
Pages (from-to)2285-2292
Number of pages8
JournalBiochimica et Biophysica Acta - Proteins and Proteomics
Volume1834
Issue number11
DOIs
Publication statusPublished - 2013 Feb 21

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Tumor Biomarkers
Fibers
Proteins
Cell culture
Cell Culture Techniques
Biomarkers
Culture Media
Blood Proteins
Tumors
Contamination
Cells
Proteomics
Neoplasms

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biophysics
  • Biochemistry
  • Molecular Biology

Cite this

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Secretome analysis using a hollow fiber culture system for cancer biomarker discovery. / Chiu, Kuo Hsun; Chang, Ying Hua; Liao, Pao-Chi.

In: Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1834, No. 11, 21.02.2013, p. 2285-2292.

Research output: Contribution to journalArticle

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