Use of a single-chain antibody library for ovarian cancer biomarker discovery

Arturo B. Ramirez, Christian M. Loch, Yuzheng Zhang, Yan Liu, Xiaohong Wang, Elizabeth A. Wayner, Jonathon E. Sargent, Sahar Sibani, Eugenie Hainsworth, Eliseo A. Mendoza, Ralph Eugene, Joshua LaBaer, Nicole D. Urban, Martin W. McIntosh, Paul D. Lampe

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The discovery of novel early detection biomarkers of disease could offer one of the best approaches to decrease the morbidity and mortality of ovarian and other cancers. We report on the use of a single-chain variable fragment antibody library for screening ovarian serum to find novel biomarkers for the detection of cancer. We alternately panned the library with ovarian cancer and disease-free control sera to make a sublibrary of antibodies that bind proteins differentially expressed in cancer. This sublibrary was printed on antibody microarrays that were incubated with labeled serum from multiple sets of cancer patients and controls. The antibodies that performed best at discriminating disease status were selected, and their cognate antigens were identified using a functional protein microarray. Overexpression of some of these antigens was observed in cancer serum, tumor proximal fluid, and cancer tissue via dot blot and immunohistochemical staining. Thus, our use of recombinant antibody microarrays for unbiased discovery found targets for ovarian cancer detection in multiple sample sets, supporting their further study for disease diagnosis.

Original languageEnglish (US)
Pages (from-to)1449-1460
Number of pages12
JournalMolecular and Cellular Proteomics
Volume9
Issue number7
DOIs
StatePublished - 2010

Fingerprint

Single-Chain Antibodies
Tumor Biomarkers
Ovarian Neoplasms
Microarrays
Antibodies
Neoplasms
Serum
Antigens
Ovarian Diseases
Biomarkers
Protein Array Analysis
Tumors
Screening
Proteins
Libraries
Tissue
Early Diagnosis
Fluids
Staining and Labeling
Morbidity

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Analytical Chemistry
  • Medicine(all)

Cite this

Ramirez, A. B., Loch, C. M., Zhang, Y., Liu, Y., Wang, X., Wayner, E. A., ... Lampe, P. D. (2010). Use of a single-chain antibody library for ovarian cancer biomarker discovery. Molecular and Cellular Proteomics, 9(7), 1449-1460. https://doi.org/10.1074/mcp.M900496-MCP200

Use of a single-chain antibody library for ovarian cancer biomarker discovery. / Ramirez, Arturo B.; Loch, Christian M.; Zhang, Yuzheng; Liu, Yan; Wang, Xiaohong; Wayner, Elizabeth A.; Sargent, Jonathon E.; Sibani, Sahar; Hainsworth, Eugenie; Mendoza, Eliseo A.; Eugene, Ralph; LaBaer, Joshua; Urban, Nicole D.; McIntosh, Martin W.; Lampe, Paul D.

In: Molecular and Cellular Proteomics, Vol. 9, No. 7, 2010, p. 1449-1460.

Research output: Contribution to journalArticle

Ramirez, AB, Loch, CM, Zhang, Y, Liu, Y, Wang, X, Wayner, EA, Sargent, JE, Sibani, S, Hainsworth, E, Mendoza, EA, Eugene, R, LaBaer, J, Urban, ND, McIntosh, MW & Lampe, PD 2010, 'Use of a single-chain antibody library for ovarian cancer biomarker discovery', Molecular and Cellular Proteomics, vol. 9, no. 7, pp. 1449-1460. https://doi.org/10.1074/mcp.M900496-MCP200
Ramirez, Arturo B. ; Loch, Christian M. ; Zhang, Yuzheng ; Liu, Yan ; Wang, Xiaohong ; Wayner, Elizabeth A. ; Sargent, Jonathon E. ; Sibani, Sahar ; Hainsworth, Eugenie ; Mendoza, Eliseo A. ; Eugene, Ralph ; LaBaer, Joshua ; Urban, Nicole D. ; McIntosh, Martin W. ; Lampe, Paul D. / Use of a single-chain antibody library for ovarian cancer biomarker discovery. In: Molecular and Cellular Proteomics. 2010 ; Vol. 9, No. 7. pp. 1449-1460.
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