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Bowser BL, Patterson KL, Robinson RA. Evaluating cPILOT Data toward Quality Control Implementation. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:1741-1752. [PMID: 37459602 DOI: 10.1021/jasms.3c00179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Multiplexing enables the monitoring of hundreds to thousands of proteins in quantitative proteomics analyses and increases sample throughput. In most mass-spectrometry-based proteomics workflows, multiplexing is achieved by labeling biological samples with heavy isotopes via precursor isotopic labeling or isobaric tagging. Enhanced multiplexing strategies, such as combined precursor isotopic labeling and isobaric tagging (cPILOT), combine multiple technologies to afford an even higher sample throughput. Critical to enhanced multiplexing analyses is ensuring that analytical performance is optimal and that missingness of sample channels is minimized. Automation of sample preparation steps and use of quality control (QC) metrics can be incorporated into multiplexing analyses and reduce the likelihood of missing information, thus maximizing the amount of usable quantitative data. Here, we implemented QC metrics previously developed in our laboratory to evaluate a 36-plex cPILOT experiment that encompassed 144 mouse samples of various tissue types, time points, genotypes, and biological replicates. The evaluation focuses on the use of a sample pool generated from all samples in the experiment to monitor the daily instrument performance and to provide a means for data normalization across sample batches. Our results show that tracking QC metrics enabled the quantification of ∼7000 proteins in each sample batch, of which ∼70% had minimal missing values across up to 36 sample channels. Implementation of QC metrics for future cPILOT studies as well as other enhanced multiplexing strategies will help yield high-quality data sets.
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Affiliation(s)
- Bailey L Bowser
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Khiry L Patterson
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Renã As Robinson
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
- Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Vanderbilt Memory & Alzheimer's Center, Nashville, Tennessee 37212, United States
- Vanderbilt Institute of Chemical Biology, Nashville, Tennessee 37232, United States
- Vanderbilt Brain Institute, Nashville, Tennessee 37232, United States
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Aggarwal S, Kumar A, Jamwal S, Midha MK, Talukdar NC, Yadav AK. HyperQuant-A Computational Pipeline for Higher Order Multiplexed Quantitative Proteomics. ACS OMEGA 2020; 5:10857-10867. [PMID: 32455206 PMCID: PMC7240821 DOI: 10.1021/acsomega.0c00515] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
Quantitative proteomics has evolved considerably over the last decade with the advent of higher order multiplexing (HOM) techniques. With the development of methods such as-multitagging, cPILOT, hyperplexing, BONPlex, and MITNCAT, the HOM technique is rapidly taking the center stage in multiplexed quantitative proteomics. These studies combined MS1 and MS2 labels in a single experiment enabling higher sample throughput. While HOM is highly promising, the computational analysis is still a big challenge, as the available tools cannot harness its power completely. We have developed a new quantitative pipeline, HyperQuant to aid in accurately quantitating complex HOM data. The pipeline uses identification results from either MaxQuant or any other search engine and quantitation results from QuantWizIQ. The Mapper and Combiner modules of HyperQuant allow facile integration of the labeled data, along with peptide spectrum match (PSM) intensity/ratio integration for proteins, respectively, for each PSM label combination. This also includes appropriate combination of replicates/fractions before summarizing the protein intensity/ratio, leading to robust quantitation. To the best of our knowledge, this is the first tool for the quantitation of HOM data with flexibility for any combination of MS1 and MS2 labels. We demonstrate its utility in analyzing two 18-plex data sets from the hyperplexing and the BONplex studies. The tool is open source and freely available for noncommercial use. HyperQuant is a highly valuable tool that will help in advancing the field of multiplexed quantitative proteomics.
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Affiliation(s)
- Suruchi Aggarwal
- Translational
Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad−Gurgaon
Expressway, Faridabad 121001, Haryana, India
- Division
of Life Sciences, Institute of Advanced
Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department
of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Ajay Kumar
- Translational
Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad−Gurgaon
Expressway, Faridabad 121001, Haryana, India
| | - Shilpa Jamwal
- Translational
Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad−Gurgaon
Expressway, Faridabad 121001, Haryana, India
| | - Mukul Kumar Midha
- Translational
Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad−Gurgaon
Expressway, Faridabad 121001, Haryana, India
| | - Narayan Chandra Talukdar
- Division
of Life Sciences, Institute of Advanced
Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department
of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Amit Kumar Yadav
- Translational
Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad−Gurgaon
Expressway, Faridabad 121001, Haryana, India
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King CD, Robinson RAS. Evaluating Combined Precursor Isotopic Labeling and Isobaric Tagging Performance on Orbitraps To Study the Peripheral Proteome of Alzheimer's Disease. Anal Chem 2020; 92:2911-2916. [PMID: 31940168 PMCID: PMC7932850 DOI: 10.1021/acs.analchem.9b01974] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Combined precursor isotopic labeling and isobaric tagging (cPILOT) is an enhanced multiplexing strategy currently capable of analyzing up to 24 samples simultaneously. This capability is especially helpful when studying multiple tissues and biological replicates in models of disease, such as Alzheimer's disease (AD). Here, cPILOT was used to study proteomes from heart, liver, and brain tissues in a late-stage amyloid precursor protein/presenilin-1 (APP/PS-1) human transgenic double-knock-in mouse model of AD. The original global cPILOT assay developed on an Orbitrap Velos instrument was transitioned to an Orbitrap Fusion Lumos instrument. The advantages of faster scan rates, lower limits of detection, and synchronous precursor selection on the Fusion Lumos afford greater numbers of isobarically tagged peptides to be quantified in comparison to the Orbitrap Velos. Parameters such as LC gradient, m/z isolation window, dynamic exclusion, targeted mass analyses, and synchronous precursor scan were optimized leading to >600 000 PSMs, corresponding to 6074 proteins. Overall, these studies inform of system-wide changes in brain, heart, and liver proteins from a mouse model of AD.
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Affiliation(s)
- Christina D King
- Department of Chemistry , Vanderbilt University , Nashville , Tennessee 37235 , United States
| | - Renã A S Robinson
- Department of Chemistry , Vanderbilt University , Nashville , Tennessee 37235 , United States
- Department of Neurology , Vanderbilt University Medical Center , Nashville , Tennessee 37232 , United States
- Vanderbilt Memory & Alzheimer's Center , Vanderbilt University Medical Center , Nashville , Tennessee 37212 , United States
- Vanderbilt Institute of Chemical Biology , Vanderbilt University , Nashville , Tennessee 37232 , United States
- Vanderbilt Brain Institute , Vanderbilt University , Nashville , Tennessee 37232 , United States
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Aggarwal S, Talukdar NC, Yadav AK. Advances in Higher Order Multiplexing Techniques in Proteomics. J Proteome Res 2019; 18:2360-2369. [DOI: 10.1021/acs.jproteome.9b00228] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Suruchi Aggarwal
- Drug Discovery Research Centre, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Third Milestone, Faridabad − Gurgaon Expressway, Faridabad, Haryana 121001, India
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Narayan C. Talukdar
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Amit K. Yadav
- Drug Discovery Research Centre, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Third Milestone, Faridabad − Gurgaon Expressway, Faridabad, Haryana 121001, India
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Affiliation(s)
- Albert B. Arul
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Renã A. S. Robinson
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
- Vanderbilt Memory & Alzheimer’s Center, Vanderbilt University Medical Center, Nashville, Tennessee 37212, United States
- Vanderbilt Brain Institute, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Vanderbilt Institute of Chemical Biology, Vanderbilt University Medical Center, Nashville, Tennessee 37235, United States
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