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Topitsch A, Halstenbach T, Rothweiler R, Fretwurst T, Nelson K, Schilling O. Mass Spectrometry-Based Proteomics of Poly(methylmethacrylate)-Embedded Bone. J Proteome Res 2024; 23:1810-1820. [PMID: 38634750 DOI: 10.1021/acs.jproteome.4c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) is a widely employed technique in proteomics research for studying the proteome biology of various clinical samples. Hard tissues, such as bone and teeth, are routinely preserved using synthetic poly(methyl methacrylate) (PMMA) embedding resins that enable histological, immunohistochemical, and morphological examination. However, the suitability of PMMA-embedded hard tissues for large-scale proteomic analysis remained unexplored. This study is the first to report on the feasibility of PMMA-embedded bone samples for LC-MS/MS analysis. Conventional workflows yielded merely limited coverage of the bone proteome. Using advanced strategies of prefractionation by high-pH reversed-phase liquid chromatography in combination with isobaric tandem mass tag labeling resulted in proteome coverage exceeding 1000 protein identifications. The quantitative comparison with cryopreserved samples revealed that each sample preparation workflow had a distinct impact on the proteomic profile. However, workflow replicates exhibited a high reproducibility for PMMA-embedded samples. Our findings further demonstrate that decalcification prior to protein extraction, along with the analysis of solubilization fractions, is not preferred for PMMA-embedded bone. The biological applicability of the proposed workflow was demonstrated using samples of human PMMA-embedded alveolar bone and the iliac crest, which revealed anatomical site-specific proteomic profiles. Overall, these results establish a crucial foundation for large-scale proteomics studies contributing to our knowledge of bone biology.
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Affiliation(s)
- Annika Topitsch
- Institute for Surgical Pathology, Faculty of Medicine, Medical Center - University of Freiburg, Breisacher Straße 115a, 79106 Freiburg, Germany
- Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, Albertstraße 19a, 79104 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schänzlestraße 1, 79104 Freiburg, Germany
- Department of Oral and Maxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Tim Halstenbach
- Department of Oral and Maxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - René Rothweiler
- Department of Oral and Maxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Tobias Fretwurst
- Department of Oral and Maxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Katja Nelson
- Department of Oral and Maxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Oliver Schilling
- Institute for Surgical Pathology, Faculty of Medicine, Medical Center - University of Freiburg, Breisacher Straße 115a, 79106 Freiburg, Germany
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2
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Brockbals L, Garrett-Rickman S, Fu S, Ueland M, McNevin D, Padula MP. Estimating the time of human decomposition based on skeletal muscle biopsy samples utilizing an untargeted LC-MS/MS-based proteomics approach. Anal Bioanal Chem 2023; 415:5487-5498. [PMID: 37423904 PMCID: PMC10444689 DOI: 10.1007/s00216-023-04822-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/16/2023] [Accepted: 06/22/2023] [Indexed: 07/11/2023]
Abstract
Accurate estimation of the postmortem interval (PMI) is crucial in forensic medico-legal investigations to understand case circumstances (e.g. narrowing down list of missing persons or include/exclude suspects). Due to the complex decomposition chemistry, estimation of PMI remains challenging and currently often relies on the subjective visual assessment of gross morphological/taphonomic changes of a body during decomposition or entomological data. The aim of the current study was to investigate the human decomposition process up to 3 months after death and propose novel time-dependent biomarkers (peptide ratios) for the estimation of decomposition time. An untargeted liquid chromatography tandem mass spectrometry-based bottom-up proteomics workflow (ion mobility separated) was utilized to analyse skeletal muscle, collected repeatedly from nine body donors decomposing in an open eucalypt woodland environment in Australia. Additionally, general analytical considerations for large-scale proteomics studies for PMI determination are raised and discussed. Multiple peptide ratios (human origin) were successfully proposed (subgroups < 200 accumulated degree days (ADD), < 655 ADD and < 1535 ADD) as a first step towards generalised, objective biochemical estimation of decomposition time. Furthermore, peptide ratios for donor-specific intrinsic factors (sex and body mass) were found. Search of peptide data against a bacterial database did not yield any results most likely due to the low abundance of bacterial proteins within the collected human biopsy samples. For comprehensive time-dependent modelling, increased donor number would be necessary along with targeted confirmation of proposed peptides. Overall, the presented results provide valuable information that aid in the understanding and estimation of the human decomposition processes.
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Affiliation(s)
- Lana Brockbals
- Centre for Forensic Science, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Samara Garrett-Rickman
- Centre for Forensic Science, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Shanlin Fu
- Centre for Forensic Science, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Maiken Ueland
- Centre for Forensic Science, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Dennis McNevin
- Centre for Forensic Science, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Matthew P Padula
- School of Life Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia.
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Bray F, Fabrizi I, Flament S, Locht JL, Antoine P, Auguste P, Rolando C. Robust High-Throughput Proteomics Identification and Deamidation Quantitation of Extinct Species up to Pleistocene with Ultrahigh-Resolution MALDI-FTICR Mass Spectrometry. Anal Chem 2023; 95:7422-7432. [PMID: 37130053 DOI: 10.1021/acs.analchem.2c03301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Peptide mass fingerprinting (PMF) using MALDI-TOF mass spectrometry allows the identification of bone species based on their type I collagen sequence. In the archaeological or paleontological field, PMF is known as zooarchaeology mass spectrometry (ZooMS) and is widely implemented to find markers for most species, including the extinct ones. In addition to the identification of bone species, ZooMS enables dating estimation by measuring the deamidation value of specific peptides. Herein, we report several enhancements to the classical ZooMS technique, which reduces to 10-fold the required bone sample amount (down to the milligram scale) and achieves robust deamidation value calculation in a high-throughput manner. These improvements rely on a 96-well plate samples preparation, a careful optimization of collagen extraction and digestion to avoid spurious post-translational modification production, and PMF at high resolution using matrix-assisted laser desorption ionization Fourier transform ion cyclotron resonance (MALDI-FTICR) analysis. This method was applied to the identification of a hundred bones of herbivores from the Middle Paleolithic site of Caours (Somme, France) well dated from the Eemian Last Interglacial climatic optimum. The method gave reliable species identification to bones already identified by their osteomorphology, as well as to more challenging samples consisting of small or burned bone fragments. Deamidation values of bones originating from the same geological layers have a low standard deviation. The method can be applied to archaeological bone remains and offers a robust capacity to identify traditionally unidentifiable bone fragments, thus increasing the number of identified specimens and providing invaluable information in specific contexts.
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Affiliation(s)
- Fabrice Bray
- Univ. Lille, CNRS, UAR 3290─MSAP - Miniaturisation pour La Synthèse, L'Analyse et La Protéomique, Lille F-59000, France
| | - Isabelle Fabrizi
- Univ. Lille, CNRS, UAR 3290─MSAP - Miniaturisation pour La Synthèse, L'Analyse et La Protéomique, Lille F-59000, France
| | - Stéphanie Flament
- Univ. Lille, CNRS, UAR 3290─MSAP - Miniaturisation pour La Synthèse, L'Analyse et La Protéomique, Lille F-59000, France
| | - Jean-Luc Locht
- Inrap Hauts-de-France, 32, avenue de l'Étoile-du-Sud, Glisy 80440, France
- Univ. Paris I & UPEC, CNRS, UMR 8591, Laboratoire de Géographie Physique, Environnements quaternaires et actuels, Thiais F-94230, France
| | - Pierre Antoine
- Univ. Paris I & UPEC, CNRS, UMR 8591, Laboratoire de Géographie Physique, Environnements quaternaires et actuels, Thiais F-94230, France
| | - Patrick Auguste
- Univ. Lille, CNRS, UMR 8198 - Evo-Eco-Paléo, Lille F-59000, France
| | - Christian Rolando
- Univ. Lille, CNRS, UAR 3290─MSAP - Miniaturisation pour La Synthèse, L'Analyse et La Protéomique, Lille F-59000, France
- Shrieking Sixties, 1-3 Allée Lavoisier, Villeneuve-d'Ascq F-59650, France
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Ntasi G, Sbriglia S, Pitocchi R, Vinciguerra R, Melchiorre C, Dello Ioio L, Fatigati G, Crisci E, Bonaduce I, Carpentieri A, Marino G, Birolo L. Proteomic Characterization of Collagen-Based Animal Glues for Restoration. J Proteome Res 2022; 21:2173-2184. [PMID: 35969501 PMCID: PMC9442796 DOI: 10.1021/acs.jproteome.2c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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Animal glues are widely used in restoration as adhesives,
binders,
and consolidants for organic and inorganic materials. Their variable
performances are intrinsically linked to the adhesive properties of
collagen, which determine the chemical, physical, and mechanical properties
of the glue. We have molecularly characterized the protein components
of a range of homemade and commercial glues using mass spectrometry
techniques. A shotgun proteomic analysis provided animal origin, even
when blended, and allowed us to distinguish between hide and bone
glue on the basis of the presence of collagen type III, which is abundant
in connective skin/leather tissues and poorly synthetized in bones.
Furthermore, chemical modifications, a consequence of the preparation
protocols from the original animal tissue, were thoroughly evaluated.
Deamidation, methionine oxidation, and backbone cleavage have been
analyzed as major collagen modifications, demonstrating their variability
among different glues and showing that, on average, bone glues are
less deamidated than hide glues, but more fragmented, and mixed-collagen
glues are overall less deamidated than pure glues. We believe that
these data may be of general analytical interest in the characterization
of collagen-based materials and may help restorers in the selection
of the most appropriate materials to be used in conservation treatments.
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Affiliation(s)
- Georgia Ntasi
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy
| | - Sara Sbriglia
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy
| | - Rossana Pitocchi
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy
| | - Roberto Vinciguerra
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy
| | - Chiara Melchiorre
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy
| | | | - Giancarlo Fatigati
- Department of Humanities, University Suor Orsola Benincasa, via Santa Caterina da Siena 37, 80132, Naples, Italy
| | - Emanuele Crisci
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
| | - Ilaria Bonaduce
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
| | - Andrea Carpentieri
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy.,Department of Humanities, University Suor Orsola Benincasa, via Santa Caterina da Siena 37, 80132, Naples, Italy.,Task Force "Metodologie Analitiche per la Salvaguardia dei Beni Culturali", University of Naples Federico II, 80138 Naples, Italy
| | - Gennaro Marino
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy.,Department of Humanities, University Suor Orsola Benincasa, via Santa Caterina da Siena 37, 80132, Naples, Italy
| | - Leila Birolo
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cinthia 21, 80126 Naples, Italy.,Task Force "Metodologie Analitiche per la Salvaguardia dei Beni Culturali", University of Naples Federico II, 80138 Naples, Italy
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Priault M. Intrinsic instability of proteins: Deamidation. Methods 2021; 200:1-2. [PMID: 34942357 DOI: 10.1016/j.ymeth.2021.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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