Multiplexed SERS Detection of Soluble Cancer Protein Biomarkers with Gold–Silver Alloy Nanoboxes and Nanoyeast Single-Chain Variable Fragments
Highly sensitive, multiplexed detection of soluble cancer protein biomarkers can facilitate early cancer screening as well as enable real-time monitoring of patients’ sensitivity and resistance to therapy. Current technologies for detection of soluble cancer protein biomarkers, e.g., enzyme-linked i...
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Published in | Analytical chemistry (Washington) Vol. 90; no. 17; pp. 10377 - 10384 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
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United States
American Chemical Society
04.09.2018
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Abstract | Highly sensitive, multiplexed detection of soluble cancer protein biomarkers can facilitate early cancer screening as well as enable real-time monitoring of patients’ sensitivity and resistance to therapy. Current technologies for detection of soluble cancer protein biomarkers, e.g., enzyme-linked immunosorbent assay, however, suffer from limited sensitivity, as well as the requirement of expensive monoclonal antibodies, which undergo the quality variability. Herein, we propose a sensitive, cheap, and robust surface-enhanced Raman scattering technology to detect a panel of soluble cancer protein biomarkers, including soluble programmed death 1 (sPD-1), soluble programmed death-ligand 1 (sPD-L1) and soluble epithermal growth factor receptor (sEGFR), which are related to disease progression and treatment efficacy. In this assay, gold-silver alloy nanoboxes that have strong Raman signal enhancement capability were used as plasmonic nanostructures to facilitate highly sensitive detection. In addition, nanoyeast single-chain variable fragments were utilized as mAb alternatives to allow specific and stable protein capture performance. We successfully detected sPD-1, sPD-L1, and sEGFR with a limit of detection of 6.17 pg/mL, 0.68 pg/mL, and 69.86 pg/mL, respectively. We further tested the detection of these three soluble cancer protein biomarkers in human serum and achieved recovery rates between 82.99% and 101.67%. We believe our novel platform that achieves sensitive, multiplexed, and specific detection of soluble cancer protein biomarkers could greatly benefit cancer treatment and improve patient outcome. |
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AbstractList | Highly sensitive, multiplexed detection of soluble cancer protein biomarkers can facilitate early cancer screening as well as enable real-time monitoring of patients’ sensitivity and resistance to therapy. Current technologies for detection of soluble cancer protein biomarkers, e.g., enzyme-linked immunosorbent assay, however, suffer from limited sensitivity, as well as the requirement of expensive monoclonal antibodies, which undergo the quality variability. Herein, we propose a sensitive, cheap, and robust surface-enhanced Raman scattering technology to detect a panel of soluble cancer protein biomarkers, including soluble programmed death 1 (sPD-1), soluble programmed death-ligand 1 (sPD-L1) and soluble epithermal growth factor receptor (sEGFR), which are related to disease progression and treatment efficacy. In this assay, gold-silver alloy nanoboxes that have strong Raman signal enhancement capability were used as plasmonic nanostructures to facilitate highly sensitive detection. In addition, nanoyeast single-chain variable fragments were utilized as mAb alternatives to allow specific and stable protein capture performance. We successfully detected sPD-1, sPD-L1, and sEGFR with a limit of detection of 6.17 pg/mL, 0.68 pg/mL, and 69.86 pg/mL, respectively. We further tested the detection of these three soluble cancer protein biomarkers in human serum and achieved recovery rates between 82.99% and 101.67%. We believe our novel platform that achieves sensitive, multiplexed, and specific detection of soluble cancer protein biomarkers could greatly benefit cancer treatment and improve patient outcome. Highly sensitive, multiplexed detection of soluble cancer protein biomarkers can facilitate early cancer screening as well as enable real-time monitoring of patients' sensitivity and resistance to therapy. Current technologies for detection of soluble cancer protein biomarkers, e.g., enzyme-linked immunosorbent assay, however, suffer from limited sensitivity, as well as the requirement of expensive monoclonal antibodies, which undergo the quality variability. Herein, we propose a sensitive, cheap, and robust surface-enhanced Raman scattering technology to detect a panel of soluble cancer protein biomarkers, including soluble programmed death 1 (sPD-1), soluble programmed death-ligand 1 (sPD-L1) and soluble epithermal growth factor receptor (sEGFR), which are related to disease progression and treatment efficacy. In this assay, gold-silver alloy nanoboxes that have strong Raman signal enhancement capability were used as plasmonic nanostructures to facilitate highly sensitive detection. In addition, nanoyeast single-chain variable fragments were utilized as mAb alternatives to allow specific and stable protein capture performance. We successfully detected sPD-1, sPD-L1, and sEGFR with a limit of detection of 6.17 pg/mL, 0.68 pg/mL, and 69.86 pg/mL, respectively. We further tested the detection of these three soluble cancer protein biomarkers in human serum and achieved recovery rates between 82.99% and 101.67%. We believe our novel platform that achieves sensitive, multiplexed, and specific detection of soluble cancer protein biomarkers could greatly benefit cancer treatment and improve patient outcome. |
Author | Trau, Matt Wang, Yuling Grewal, Yadveer S Howard, Christopher B Mahler, Stephen Li, Junrong Wang, Jing Raftery, Lyndon J |
AuthorAffiliation | The University of Queensland Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology Department of Molecular Sciences, ARC Centre of Excellence for Nanoscale BioPhotonics, Faculty of Science and Engineering Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology School of Chemistry and Molecular Biosciences Macquarie University |
AuthorAffiliation_xml | – name: Department of Molecular Sciences, ARC Centre of Excellence for Nanoscale BioPhotonics, Faculty of Science and Engineering – name: Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology – name: Macquarie University – name: Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology – name: School of Chemistry and Molecular Biosciences – name: The University of Queensland |
Author_xml | – sequence: 1 givenname: Junrong orcidid: 0000-0002-3777-2245 surname: Li fullname: Li, Junrong organization: Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology – sequence: 2 givenname: Jing orcidid: 0000-0001-6080-7998 surname: Wang fullname: Wang, Jing organization: Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology – sequence: 3 givenname: Yadveer S orcidid: 0000-0003-3621-2753 surname: Grewal fullname: Grewal, Yadveer S organization: Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology – sequence: 4 givenname: Christopher B surname: Howard fullname: Howard, Christopher B organization: Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology – sequence: 5 givenname: Lyndon J surname: Raftery fullname: Raftery, Lyndon J organization: Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology – sequence: 6 givenname: Stephen surname: Mahler fullname: Mahler, Stephen organization: Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology – sequence: 7 givenname: Yuling orcidid: 0000-0003-3627-7397 surname: Wang fullname: Wang, Yuling email: yuling.wang@mq.edu.au organization: Macquarie University – sequence: 8 givenname: Matt surname: Trau fullname: Trau, Matt email: m.trau@uq.edu.au organization: The University of Queensland |
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SubjectTerms | Alloys - chemistry Biomarkers Biomarkers, Tumor - metabolism Cancer Cancer screening Chains Chemistry Early Detection of Cancer Enzyme-Linked Immunosorbent Assay Fragments Gold Gold - chemistry Gold alloys Gold base alloys Growth factors Humans Limit of Detection Medical treatment Metal Nanoparticles - chemistry Microscopy, Electron, Scanning Microscopy, Electron, Transmission Monoclonal antibodies Multiplexing Nanostructured materials Neoplasm Proteins - metabolism Neoplasms - diagnosis Patients PD-1 protein Proteins Raman spectra Sensitivity Silver Silver - chemistry Silver base alloys Single-Chain Antibodies - chemistry Spectrum Analysis, Raman - methods |
Title | Multiplexed SERS Detection of Soluble Cancer Protein Biomarkers with Gold–Silver Alloy Nanoboxes and Nanoyeast Single-Chain Variable Fragments |
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