Complexity, cost, and content – three important factors for translation of clinical protein mass spectrometry tests, and the case for apolipoprotein C-III proteoform testing
Abstract
Complexity, cost, and content are three important factors that can impede translation of clinical protein mass spectrometry (MS) tests at a larger scale. Complexity stems from the many components/steps involved in bottom-up protein MS workflows, making them significantly more complicated than enzymatic immunoassays (EIA) that currently dominate clinical testing. This complexity inevitably leads to increased costs, which is detrimental in the price-competitive clinical marketplace. To successfully compete, new clinical protein MS tests need to offer something new and unique that EIAs cannot – a new content of proteoform detection. The preferred method for proteoform profiling is intact protein MS analysis, in which all proteins are measured as intact species thus allowing discovery of new proteoforms. To illustrate the importance of intact proteoform testing with MS and its potential clinical implications, we discuss here recent findings from multiple studies on the distribution of apolipoprotein C-III proteoforms and their correlations with key clinical measures of dyslipidemia. Such studies are only made possible with assays that are low in cost, avoid unnecessary complexity, and are unique in providing the content of proteoforms.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- Advancements in mass spectrometry as a tool for clinical analysis: part II
- Quantitative protein assessment
- Complexity, cost, and content – three important factors for translation of clinical protein mass spectrometry tests, and the case for apolipoprotein C-III proteoform testing
- Vedolizumab quantitation using high-resolution accurate mass-mass spectrometry middle-up protein subunit: method validation
- Development and evaluation of an element-tagged immunoassay coupled with inductively coupled plasma mass spectrometry detection: can we apply the new assay in the clinical laboratory?
- MALDI-MS for the clinic
- Matrix-assisted laser desorption ionisation (MALDI) mass spectrometry (MS): basics and clinical applications
- Clinical use of mass spectrometry (imaging) for hard tissue analysis in abnormal fracture healing
- Cellular resolution in clinical MALDI mass spectrometry imaging: the latest advancements and current challenges
- Bacterial identification by lipid profiling using liquid atmospheric pressure matrix-assisted laser desorption/ionization mass spectrometry
- Clinical application of ’omics technologies
- Individualized metabolomics: opportunities and challenges
- Diagnostic amyloid proteomics: experience of the UK National Amyloidosis Centre
- The “olfactory fingerprint”: can diagnostics be improved by combining canine and digital noses?
- Peptidomic and proteomic analysis of stool for diagnosing IBD and deciphering disease pathogenesis
- The influence of hypoxia on the prostate cancer proteome
- Laboratory automation and kit-based approaches
- Mass spectrometry and total laboratory automation: opportunities and drawbacks
- The pathway through LC-MS method development: in-house or ready-to-use kit-based methods?
- Evaluation of the 25-hydroxy vitamin D assay on a fully automated liquid chromatography mass spectrometry system, the Thermo Scientific Cascadion SM Clinical Analyzer with the Cascadion 25-hydroxy vitamin D assay in a routine clinical laboratory
Artikel in diesem Heft
- Frontmatter
- Editorial
- Advancements in mass spectrometry as a tool for clinical analysis: part II
- Quantitative protein assessment
- Complexity, cost, and content – three important factors for translation of clinical protein mass spectrometry tests, and the case for apolipoprotein C-III proteoform testing
- Vedolizumab quantitation using high-resolution accurate mass-mass spectrometry middle-up protein subunit: method validation
- Development and evaluation of an element-tagged immunoassay coupled with inductively coupled plasma mass spectrometry detection: can we apply the new assay in the clinical laboratory?
- MALDI-MS for the clinic
- Matrix-assisted laser desorption ionisation (MALDI) mass spectrometry (MS): basics and clinical applications
- Clinical use of mass spectrometry (imaging) for hard tissue analysis in abnormal fracture healing
- Cellular resolution in clinical MALDI mass spectrometry imaging: the latest advancements and current challenges
- Bacterial identification by lipid profiling using liquid atmospheric pressure matrix-assisted laser desorption/ionization mass spectrometry
- Clinical application of ’omics technologies
- Individualized metabolomics: opportunities and challenges
- Diagnostic amyloid proteomics: experience of the UK National Amyloidosis Centre
- The “olfactory fingerprint”: can diagnostics be improved by combining canine and digital noses?
- Peptidomic and proteomic analysis of stool for diagnosing IBD and deciphering disease pathogenesis
- The influence of hypoxia on the prostate cancer proteome
- Laboratory automation and kit-based approaches
- Mass spectrometry and total laboratory automation: opportunities and drawbacks
- The pathway through LC-MS method development: in-house or ready-to-use kit-based methods?
- Evaluation of the 25-hydroxy vitamin D assay on a fully automated liquid chromatography mass spectrometry system, the Thermo Scientific Cascadion SM Clinical Analyzer with the Cascadion 25-hydroxy vitamin D assay in a routine clinical laboratory