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Point AD, Crimmins BS, Holsen TM, Fernando S, Hopke PK, Darie CC. Can blood proteome diversity among fish species help explain perfluoroalkyl acid trophodynamics in aquatic food webs? Sci Total Environ 2023; 875:162337. [PMID: 36848995 DOI: 10.1016/j.scitotenv.2023.162337] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 01/22/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a diverse family of industrially significant synthetic chemicals infamous for extreme environmental persistence and global environmental distribution. Many PFAS are bioaccumulative and biologically active mainly due to their tendency to bind with various proteins. These protein interactions are important in determining the accumulation potential and tissue distribution of individual PFAS. Trophodynamics studies including aquatic food webs present inconsistent evidence for PFAS biomagnification. This study strives to identify whether the observed variability in PFAS bioaccumulation potential among species could correspond with interspecies protein composition differences. Specifically, this work compares the perfluorooctane sulfonate (PFOS) serum protein binding potential and the tissue distribution of ten perfluoroalkyl acids (PFAAs) detected in alewife (Alosa pseudoharengus), deepwater sculpin (Myoxocephalus thompsonii), and lake trout (Salvelinus namaycush) of the Lake Ontario aquatic piscivorous food web. These three fish sera and fetal bovine reference serum all had unique total serum protein concentrations. Serum protein-PFOS binding experiments showed divergent patterns between fetal bovine serum and fish sera, suggesting potentially two different PFOS binding mechanisms. To identify interspecies differences in PFAS-binding serum proteins, fish sera were pre-equilibrated with PFOS, fractionated by serial molecular weight cut-off filter fractionation, followed by liquid chromatography-tandem mass spectrometry analysis of the tryptic protein digests and the PFOS extracts of each fraction. This workflow identified similar serum proteins for all fish species. However, serum albumin was only identified in lake trout, suggesting apolipoproteins are likely the primary PFAA transporters in alewife and deepwater sculpin sera. PFAA tissue distribution analysis provided supporting evidence for interspecies variations in lipid transport and storage, which may also contribute to the varied PFAA accumulation in these species. Proteomics data are available via ProteomeXchange with identifier PXD039145.
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Affiliation(s)
- Adam D Point
- Institute for a Sustainable Environment, Clarkson University, Potsdam, NY, United States of America.
| | - Bernard S Crimmins
- Civil and Environmental Engineering, Clarkson University, Potsdam, NY, United States of America; AEACS, LLC, New Kensington, PA, United States of America
| | - Thomas M Holsen
- Civil and Environmental Engineering, Clarkson University, Potsdam, NY, United States of America; Center for Air and Aquatic Resources Engineering and Science, Clarkson University, Potsdam, NY, United States of America
| | - Sujan Fernando
- Center for Air and Aquatic Resources Engineering and Science, Clarkson University, Potsdam, NY, United States of America
| | - Philip K Hopke
- Institute for a Sustainable Environment, Clarkson University, Potsdam, NY, United States of America; Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, United States of America
| | - Costel C Darie
- Biochemistry & Proteomics Group, Department of Chemistry & Biomolecular Science, Clarkson University, Potsdam, NY, United States of America
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Lima CV, de Campos TPR, Valencia CJM, Almeida IG. Physiological and radio-induced modulations of low-weight globulins in distinct vascular compartments. J Radioanal Nucl Chem 2018. [DOI: 10.1007/s10967-018-6188-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abstract
The human plasma proteome represents an important secreted sub-proteome. Proteomic analysis of blood plasma with mass spectrometry is a challenging task. The high complexity and wide dynamic range of proteins as well as the presence of several proteins at very high concentrations complicate the profiling of the human plasma proteome. The peptidome (or low-molecular-weight fraction, LMF) of the human plasma proteome is an invaluable source of biological information, especially in the context of identifying plasma-based markers of disease. Peptides are generated by active synthesis and proteolytic processing, often yielding proteolytic fragments that mediate a variety of physiological and pathological functions. As such, degradomic studies, investigating cleavage products via peptidomics and top-down proteomics in particular, have warranted significant research interest. However, due to their molecular weight, abundance, and solubility, issues with identifying specific cleavage sites and coverage of peptide fragments remain challenging. Peptidomics is currently focused toward comprehensively studying peptides cleaved from precursor proteins by endogenous proteases. This protocol outlines a standardized rapid and reproducible procedure for peptidomic profiling of human plasma using centrifugal ultrafiltration and mass spectrometry. Ultrafiltration is a convective process that uses anisotropic semipermeable membranes to separate macromolecular species on the basis of size. We have optimized centrifugal ultrafiltration (cellulose triacetate membrane) for plasma fractionation with respect to buffer and solvent composition, centrifugal force, duration, and temperature to facilitate recovery >95% and enrichment of the human plasma peptidome. This method serves as a comprehensive and facile process to enrich and identify a key, underrepresented sub-proteome of human blood plasma.
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Lekchnov EA, Zaporozhchenko IA, Morozkin ES, Bryzgunova OE, Vlassov VV, Laktionov PP. Protocol for miRNA isolation from biofluids. Anal Biochem 2016; 499:78-84. [DOI: 10.1016/j.ab.2016.01.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 01/27/2016] [Accepted: 01/29/2016] [Indexed: 11/30/2022]
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Desoubeaux G, Jourdan ML, Valera L, Jardin B, Hem S, Caille A, Cormier B, Marchand-Adam S, Bailly É, Diot P, Chandenier J. Proteomic demonstration of the recurrent presence of inter-alpha-inhibitor H4 heavy-chain during aspergillosis induced in an animal model. Int J Med Microbiol 2013; 304:327-38. [PMID: 24360996 DOI: 10.1016/j.ijmm.2013.11.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2013] [Revised: 11/07/2013] [Accepted: 11/25/2013] [Indexed: 11/30/2022] Open
Abstract
Invasive pulmonary aspergillosis remains a matter of great concern in oncology/haematology, intensive care units and organ transplantation departments. Despite the availability of various diagnostic tools with attractive features, new markers of infection are required for better medical care. We therefore looked for potential pulmonary biomarkers of aspergillosis, by carrying out two-dimensional (2D) gel electrophoresis comparing the proteomes of bronchial-alveolar lavage fluids (BALF) from infected rats and from control rats presenting non-specific inflammation, both immunocompromised. A bioinformatic analysis of the 2D-maps revealed significant differences in the abundance of 20 protein spots (ANOVA P-value<0.01; q-value<0.03; power>0.8). One of these proteins, identified by mass spectrometry, was considered of potential interest: inter-alpha-inhibitor H4 heavy-chain (ITIH4), characterised for the first time in this infectious context. Western blotting confirmed its overabundance in all infected BALF, particularly at early stages of murine aspergillosis. Further investigations were carried on rat serum, and confirmed that ITIH4 levels increased during experimental aspergillosis. Preliminary results in human samples strengthened this trend. To our knowledge, this is the first description of the involvement of ITIH4 in aspergillosis.
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Affiliation(s)
- Guillaume Desoubeaux
- CHU de Tours, Service de Parasitologie - Mycologie - Médecine tropicale, Tours, France; Université François Rabelais, CEPR UMR-INSERM U1100/E.A. 6305, Faculté de Médecine, Tours, France.
| | - Marie-Lise Jourdan
- CHU de Tours, Service d'Hématologie Biologique, Tours, France; Université François Rabelais, INSERM U1069/N2C, Faculté de Médecine, Tours, France
| | - Lionel Valera
- Sysdiag, CNRS UMR 3145 Bio-Rad, Cap Delta, Montpellier, France
| | | | - Sonia Hem
- Plateforme de spectrométrie de masse protéomique - MSPP, Laboratoire de Protéomique Fonctionnelle, INRA UR1199, Montpellier, France
| | - Agnès Caille
- CHU de Tours, Centre d'Investigation Clinique, Tours, France; Université François Rabelais, INSERM 202, Faculté de Médecine, Tours, France
| | - Bénédicte Cormier
- CHU de Tours, Service d'Anatomie et Cytologie Pathologiques, Tours, France
| | - Sylvain Marchand-Adam
- Université François Rabelais, CEPR UMR-INSERM U1100/E.A. 6305, Faculté de Médecine, Tours, France; CHU de Tours, Service de Pneumologie, Tours, France
| | - Éric Bailly
- CHU de Tours, Service de Parasitologie - Mycologie - Médecine tropicale, Tours, France
| | - Patrice Diot
- Université François Rabelais, CEPR UMR-INSERM U1100/E.A. 6305, Faculté de Médecine, Tours, France; CHU de Tours, Service de Pneumologie, Tours, France
| | - Jacques Chandenier
- CHU de Tours, Service de Parasitologie - Mycologie - Médecine tropicale, Tours, France; Université François Rabelais, CEPR UMR-INSERM U1100/E.A. 6305, Faculté de Médecine, Tours, France
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Zhu P, Bowden P, Zhang D, Marshall JG. Mass spectrometry of peptides and proteins from human blood. Mass Spectrom Rev 2011; 30:685-732. [PMID: 24737629 DOI: 10.1002/mas.20291] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 12/09/2009] [Accepted: 01/19/2010] [Indexed: 06/03/2023]
Abstract
It is difficult to convey the accelerating rate and growing importance of mass spectrometry applications to human blood proteins and peptides. Mass spectrometry can rapidly detect and identify the ionizable peptides from the proteins in a simple mixture and reveal many of their post-translational modifications. However, blood is a complex mixture that may contain many proteins first expressed in cells and tissues. The complete analysis of blood proteins is a daunting task that will rely on a wide range of disciplines from physics, chemistry, biochemistry, genetics, electromagnetic instrumentation, mathematics and computation. Therefore the comprehensive discovery and analysis of blood proteins will rank among the great technical challenges and require the cumulative sum of many of mankind's scientific achievements together. A variety of methods have been used to fractionate, analyze and identify proteins from blood, each yielding a small piece of the whole and throwing the great size of the task into sharp relief. The approaches attempted to date clearly indicate that enumerating the proteins and peptides of blood can be accomplished. There is no doubt that the mass spectrometry of blood will be crucial to the discovery and analysis of proteins, enzyme activities, and post-translational processes that underlay the mechanisms of disease. At present both discovery and quantification of proteins from blood are commonly reaching sensitivities of ∼1 ng/mL.
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Affiliation(s)
- Peihong Zhu
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario, Canada M5B 2K3
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Abstract
The low-molecular weight fraction (LMF) of the human plasma proteome is an invaluable source of biological information, especially in the context of identifying plasma-based biomarkers of disease. This protocol outlines a standardized procedure for the rapid/reproducible LMF profiling of human plasma samples using centrifugal ultrafiltration fractionation, followed by 1D-SDS-PAGE separation and nano-LC-MS/MS. Ultrafiltration is a convective process that uses anisotropic semipermeable membranes to separate macromolecular species on the basis of size. We have optimized centrifugal ultrafiltration for plasma fractionation with respect to buffer and solvent composition, centrifugal force, duration and temperature to facilitate >95% recovery, and enrichment of low-M (r) components from human plasma. Using this protocol, >260 unique peptides can be identified from a single plasma profiling experiment using 100 μL of plasma (Greening and Simpson, J Proteomics 73:637-648, 2010). The efficacy of this method is demonstrated by the identification, for the first time, of several plasma proteins (e.g., protein KIAA0649 (Q9Y4D3), rheumatoid factor D5, serine protease inhibitor A3, and transmembrane adapter protein PAG) previously not reported in extant high-confidence Human Proteome Organization Plasma Proteome Project datasets.
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Affiliation(s)
- David W Greening
- Ludwig Institute for Cancer Research, Royal Melbourne Hospital, Parkville, Australia
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Choi JW, Wang X, Joo JI, Kim DH, Oh TS, Choi DK, Yun JW. Plasma proteome analysis in diet-induced obesity-prone and obesity-resistant rats. Proteomics 2010; 10:4386-400. [PMID: 21136593 DOI: 10.1002/pmic.201000391] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
One of the major issues in the field of obesity is why some humans become obese and others resist development of obesity when exposed to high-calorie diets. Despite the same genetic background, namely obesity-prone (OP) and -resistant (OR) rats, differing responses have been demonstrated in a high fat diet-induced rodent model. The aim of the present study was to discover novel obesity-related biomarkers for susceptibility and/or resistance to obesity by proteomic analysis of OP and OR rat plasma. After feeding of high fat diet, OP rats gained approximately 25% more body weight than OR rats and were used for proteomic analysis using 2-DE combined with MALDI-TOF-MS. We categorized identified proteins into three groups by analysis of both average spot density in each group and individual spot density of six rats as a function of body weight. Consequently, category (1) included inter-α-inhibitor H4 heavy chain and fetuin B precursor, which can be used as novel plasma biomarkers for risk of obesity. Nine proteins of category (2) and (3) can also be plausible plasma markers in the study of obesity. This proteomic study is an important advancement over the previous steps needed for identification of OP and OR rats.
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Affiliation(s)
- Jung-Won Choi
- Department of Biotechnology, Daegu University, Kyungsan, Kyungbuk, Republic of Korea
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Greening DW, Simpson RJ. A centrifugal ultrafiltration strategy for isolating the low-molecular weight (≤25K) component of human plasma proteome. J Proteomics 2010; 73:637-48. [DOI: 10.1016/j.jprot.2009.09.013] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Revised: 09/14/2009] [Accepted: 09/16/2009] [Indexed: 02/03/2023]
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Wu J, An Y, Pu H, Shan Y, Ren X, An M, Wang Q, Wei S, Ji J. Enrichment of serum low-molecular-weight proteins using C18 absorbent under urea/dithiothreitol denatured environment. Anal Biochem 2009; 398:34-44. [PMID: 19891953 DOI: 10.1016/j.ab.2009.10.047] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2009] [Revised: 10/19/2009] [Accepted: 10/30/2009] [Indexed: 01/26/2023]
Abstract
Serum low-molecular-weight proteins (LMWPs, molecular weight<30kDa) are closely related to the body physiological and pathological situations, whereas many difficulties are encountered when enriching and fractionating them. Using C(18) absorbent (100 A) enrichment and fractionation under urea/dithiothreitol (DTT) denatured environment followed by 60% acetonitrile (ACN) elution, serum LMWPs could be enriched more than 100-fold and were evaluated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), two-dimensional gel electrophoresis (2-DE), and isotope-coded affinity tag (ICAT) labeling quantification. Proteins existing in human serum at low nanograms/milliliter (ng/ml) levels, such as myeloid-related proteins (MRPs), could be identified directly from 2-DE coupled with matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF/TOF MS) and LTQ-Orbitrap MS. Sixteen proteins were confidentially identified and quantified using ICAT labeling and liquid chromatography-tandem mass spectrometry (LC-MS/MS). By virtue of its easy operation and high reproducibility to process large quantity complex serum samples, this method has potential uses in enriching LMWPs either in serum or in cell and tissue samples.
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Affiliation(s)
- Jing Wu
- National Laboratory of Protein Engineering and Plant Genetic Engineering, College of Life Sciences, Peking University, Beijing 100871, People's Republic of China
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