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Kumari N, Vaishnav MS, Srikanta S, Krishnaswamy PR, Bhat N. Exploring glycated sites in human serum albumin: impact of sample processing techniques on detection and analysis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:5239-5247. [PMID: 39007648 DOI: 10.1039/d4ay00503a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Glycation and the subsequent formation of advanced glycation end products (AGEs) disrupt and impair the physiological functions of proteins. This study presents a comprehensive glycation site mapping of human serum albumin (HSA) utilizing liquid chromatography-tandem mass spectrometry (LC-MS/MS). Both in vitro glycation experiments and patient samples were investigated, exploring various enzymes, processing techniques, and their impacts on glycation site detection. A pilot study was conducted, analyzing sixteen serum samples, which spanned from healthy individuals to severe diabetic patients (with HbA1c values ranging from 5.7% to 18.1%). The aim was to comprehend the progression of glycation on various sites of HSA with increasing levels of glycation. Their glycated albumin levels (GA) spanned from 19.7% to 62.3%. Trypsin-mediated proteolytic digestion unveiled 12 glycation sites through direct in-solution digestion of whole serum. However, isolating albumin from serum enabled the identification of a higher number of glycation sites in each sample compared to direct serum digestion. Boronate affinity chromatography facilitated the segregation of less glycated albumin (LGA) from the more glycated albumin (MGA) fraction. Subsequent proteolytic digestion of both LGA and MGA samples revealed similar glycation sites. The MGA fraction exhibited a greater number of identified glycation sites, thereby elucidating which sites are particularly prone to glycation in highly glycated albumin samples. Changes in relative glycation levels were noted in the tryptic digests of albumin samples following the sample enrichment steps, as opposed to direct in-solution digestion of whole serum. Two enzymes, trypsin and Glu-C, were evaluated for efficacy in sequence coverage and glycation site analysis of HSA, with trypsin demonstrating superior efficiency over Glu-C.
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Affiliation(s)
- Namita Kumari
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru 560012, India.
| | - Madhumati S Vaishnav
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru 560012, India.
- Samatvam Endocrinology Diabetes Center, Jnana Sanjeevini Diabetes Hospital and Medical Center, Bengaluru, India
| | - Sathyanarayana Srikanta
- Samatvam Endocrinology Diabetes Center, Jnana Sanjeevini Diabetes Hospital and Medical Center, Bengaluru, India
| | - P R Krishnaswamy
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru 560012, India.
| | - Navakanta Bhat
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru 560012, India.
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Mossine VV, Mawhinney TP. 1-Amino-1-deoxy-d-fructose ("fructosamine") and its derivatives. Adv Carbohydr Chem Biochem 2023; 83:27-132. [PMID: 37968038 DOI: 10.1016/bs.accb.2023.10.002] [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: 11/17/2023]
Abstract
Fructosamine has long been considered as a key intermediate of the Maillard reaction, which to a large extent is responsible for specific aroma, taste, and color formation in thermally processed or dehydrated foods. Since the 1980s, however, as a product of the Amadori rearrangement reaction between glucose and biologically significant amines such as proteins, fructosamine has experienced a boom in biomedical research, mainly due to its relevance to pathologies in diabetes and aging. In this chapter, we assess the scope of the knowledge on and applications of fructosamine-related molecules in chemistry, food, and health sciences, as reflected mostly in publications within the past decade. Methods of fructosamine synthesis and analysis, its chemical, and biological properties, and degradation reactions, together with fructosamine-modifying and -recognizing proteins are surveyed.
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Affiliation(s)
- Valeri V Mossine
- Department of Biochemistry, University of Missouri, Columbia, MO, United States
| | - Thomas P Mawhinney
- Department of Biochemistry, University of Missouri, Columbia, MO, United States.
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Qiu HY, Hou NN, Shi JF, Liu YP, Kan CX, Han F, Sun XD. Comprehensive overview of human serum albumin glycation in diabetes mellitus. World J Diabetes 2021; 12:1057-1069. [PMID: 34326954 PMCID: PMC8311477 DOI: 10.4239/wjd.v12.i7.1057] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/06/2021] [Accepted: 06/04/2021] [Indexed: 02/06/2023] Open
Abstract
The presence of excess glucose in blood is regarded as a sweet hurt for patients with diabetes. Human serum albumin (HSA) is the most abundant protein in human plasma, which undergoes severe non-enzymatic glycation with glucose in patients with diabetes; this modifies the structure and function of HSA. Furthermore, the advanced glycation end products produced by glycated HSA can cause pathological damage to the human body through various signaling pathways, eventually leading to complications of diabetes. Many potential glycation sites on HSA have different degrees of sensitivity to glucose concentration. This review provides a comprehensive assessment of the in vivo glycation sites of HSA; it also discusses the effects of glycation on the structure and function of HSA. Moreover, it addresses the relationship between HSA glycation and diabetes complications. Finally, it focuses on the value of non-enzymatic glycation of HSA in diabetes-related clinical applications.
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Affiliation(s)
- Hong-Yan Qiu
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Ning-Ning Hou
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Jun-Feng Shi
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Yong-Ping Liu
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Cheng-Xia Kan
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Fang Han
- Department of Pathology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
| | - Xiao-Dong Sun
- Department of Endocrinology, The Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
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Chai R, Wang Y, Kan X. Sensitive and selective detection of glycoprotein based on dual-signal and dual-recognition electrochemical sensing platform. Food Chem 2020; 340:127944. [PMID: 32889217 DOI: 10.1016/j.foodchem.2020.127944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 08/18/2020] [Accepted: 08/24/2020] [Indexed: 12/21/2022]
Abstract
Glycoproteins play extraordinary roles in biology and clinic. The specifically sensitive detection of glycoproteins by electrochemical methods is still a challenging task due to their poor electro-activity and sensitive nature to environment. In this work, ovalbumin (OVA), a model glycoprotein, was sensitively detected by a molecularly imprinted polymer (MIP) based electrochemical sensor, which was prepared by electropolymerizing 3-thiophene boric acid in the presence of OVA. Due to boronate affinity, the rebound OVA interacted with ferrocene boric acid (Fc-BA) to construct a sandwich structural sensing platform. Dual-recognition elements, imprinted effect and the boronate affinity, enabled the sensor to recognize OVA from other proteins. The rebinding of OVA caused the current changes of thionine and Fc-BA, which were combined as a dual-signal for OVA sensitive detection with a low limit of detection of 0.82 pg/mL (S/N = 3). The good performances of sensor indicated its potential applications in clinical diagnosis and other related fields.
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Affiliation(s)
- Rong Chai
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China; The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China
| | - Yuanyuan Wang
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China; The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China
| | - Xianwen Kan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China; The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
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Abstract
This review provides an overview of the most recent developments involving materials for solid-phase extraction applied to determine organic contaminants. It mainly concerns polymer-based sorbents that include high-capacity, as well as selective sorbents, inorganic-based sorbents that include those prepared using sol-gel technology along with structured porous materials based on inorganic species, and carbon nanomaterials, such as graphene and carbon nanotubes. Different types of magnetic nanoparticles coated with these materials are also reviewed. Such materials, together with their main morphological and chemical features, are described, as are some representative examples of their application as solid-phase extraction materials to extract organic compounds from different types of samples, including environmental water, biological fluids, and food.
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Development of boronic acid-functionalized mesoporous silica-coated core/shell magnetic microspheres with large pores for endotoxin removal. J Chromatogr A 2019; 1602:91-99. [PMID: 31229248 DOI: 10.1016/j.chroma.2019.06.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/01/2019] [Accepted: 06/02/2019] [Indexed: 02/01/2023]
Abstract
Endotoxins are found almost everywhere and possess high toxicity in vivo and in vitro. Here we design a novel boronate affinity material, called boronic acid-functionalized mesoporous silica-coated core/shell magnetic microspheres (Fe3O4@nSiO2@mSiO2-BA) with large pores (pore size > 20 nm) based on the chemical structure and physical properties of endotoxins, for facile and highly efficient removal of endotoxins. Dual modes for endotoxin removal were proposed and confirmed in this work: the endotoxin aggregates with size < 20 nm were bound with boronic acid ligands chemically modified on the inner and outer surface of the large pores of Fe3O4@nSiO2@mSiO2-BA microspheres; while the larger endotoxin micelles (size >20 nm) were absorbed on the outer surface of the prepared material based on boronate affinity. Transmission electron microscopy (TEM), X-ray diffraction (XRD), nitrogen adsorption/desorption isotherms and Fourier transform infrared (FT-IR) spectroscopy confirm that Fe3O4@nSiO2@mSiO2-BA microspheres possess core/shell structure, uniform diameter (520 nm), high surface area (205.57 m2/g), large mesopores (21.8 nm) and boronic acid ligands. The purification procedures of Fe3O4@nSiO2@mSiO2-BA microspheres for endotoxin were optimized, and 50 mM NH4HCO3 (pH 8.0) and 0.05 M fructose were selected as loading/washing, elution buffers, respectively. The binding capacity of Fe3O4@nSiO2@mSiO2-BA microspheres for endotoxin was calculated to be 60.84 EU/g under the optimized conditions. Finally, the established analytical method was applied to remove endotoxins from plasmid DNA. After endotoxin removal, the endotoxin content in plasmid DNA was reduced from 0.0026 to 0.0006 EU/mL for two-fold concentration, and from 0.0088 to 0.0022 EU/mL for five-fold concentration after binding, respectively. Additional advantages of the prepared boronate affinity material include excellent stability, reusability/repeatability, and low cost. Boronate affinity materials with large pores could thus prove to be powerful adsorbents for endotoxin removal and the potential applications in the aspects of biological research, pharmaceutical industry, and life health.
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Chen CH, Feng H, Guo R, Li P, Laserna AKC, Ji Y, Ng BH, Li SFY, Khan SH, Paulus A, Chen SM, Karger AE, Wenz M, Ferrer DL, Huhmer AF, Krupke A. Intact NIST monoclonal antibody characterization—Proteoforms, glycoforms—Using CE-MS and CE-LIF. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/23312009.2018.1480455] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Chien-Hsun Chen
- Thermo Fisher Scientific, Chromatography and Mass Spectrometry, 355 River Oaks Parkway, San Jose, CA 95134, USA
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
| | - Huatao Feng
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Rui Guo
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Pingjing Li
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Anna Karen C. Laserna
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Ya Ji
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Bao Hui Ng
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Sam Fong Yau Li
- Department of Chemistry, National University of Singapore, Science Drive 3, Singapore S117543, Singapore
| | - Shaheer H. Khan
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
| | - Aran Paulus
- Thermo Fisher Scientific, Chromatography and Mass Spectrometry, 355 River Oaks Parkway, San Jose, CA 95134, USA
| | - Shiaw-Min Chen
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
| | - Achim E. Karger
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
| | - Michael Wenz
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
| | - Daniel Lopez Ferrer
- Thermo Fisher Scientific, Chromatography and Mass Spectrometry, 355 River Oaks Parkway, San Jose, CA 95134, USA
| | - Andreas F. Huhmer
- Thermo Fisher Scientific, Chromatography and Mass Spectrometry, 355 River Oaks Parkway, San Jose, CA 95134, USA
| | - Andreas Krupke
- Thermo Fisher Scientific, Life Science Solutions, 180 Oyster Point Parkway, South San Francisco, CA 94080, USA
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Frost DC, Li L. Recent advances in mass spectrometry-based glycoproteomics. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2018; 95:71-123. [PMID: 24985770 DOI: 10.1016/b978-0-12-800453-1.00003-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Protein glycosylation plays fundamental roles in many biological processes as one of the most common, and the most complex, posttranslational modification. Alterations in glycosylation profile are now known to be associated with many diseases. As a result, the discovery and detailed characterization of glycoprotein disease biomarkers is a primary interest of biomedical research. Advances in mass spectrometry (MS)-based glycoproteomics and glycomics are increasingly enabling qualitative and quantitative approaches for site-specific structural analysis of protein glycosylation. While the complexity presented by glycan heterogeneity and the wide dynamic range of clinically relevant samples like plasma, serum, cerebrospinal fluid, and tissue make comprehensive analyses of the glycoproteome a challenging task, the ongoing efforts into the development of glycoprotein enrichment, enzymatic digestion, and separation strategies combined with novel quantitative MS methodologies have greatly improved analytical sensitivity, specificity, and throughput. This review summarizes current MS-based glycoproteomics approaches and highlights recent advances in its application to cancer biomarker and neurodegenerative disease research.
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Affiliation(s)
- Dustin C Frost
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA; Department of Chemistry, University of Wisconsin, Madison, Wisconsin, USA.
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Viski K, Gengeliczki Z, Lenkey K, Baranyáné Ganzler K. Parallel development of chromatographic and mass-spectrometric methods for quantitative analysis of glycation on an IgG1 monoclonal antibody. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1032:198-204. [PMID: 27179993 DOI: 10.1016/j.jchromb.2016.04.043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 04/22/2016] [Accepted: 04/25/2016] [Indexed: 10/21/2022]
Abstract
Monitoring post-translational modifications (PTMs) in biotherapeutics is of paramount importance. In pharmaceutical industry, chromatography with optical detection is the standard choice of quantitation of product related impurities; and mass spectrometry is used only for characterization. Parallel development of a boronate affinity chromatographic (BAC) and a mass spectrometric methods for quantitative measurement of glycation on a monoclonal antibody (mAb) shed light on the importance of certain characteristics of the individual methods. Non-specific interactions in BAC has to be suppressed with the so-called shielding reagent. We have found that excessive amount of shielding reagents in the chromatographic solvents may cause significant underestimation of glycation. Although contamination of the retained peak with the non-glycated isoforms in BAC is unavoidable, our work shows that it can be characterized and quantitated by mass spectrometry. It has been demonstrated that glycation can be measured by mass spectrometry at the intact protein level with an LOQ value of 3.0% and error bar of ±0.5%. The BAC and MS methods have been found to provide equivalent results. These methods have not been compared from these points of view before.
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Affiliation(s)
- Kornél Viski
- Formulation Department, Gedeon Richter Plc. 19-21, Gyomroi St., Budapest 1103, Hungary
| | - Zsolt Gengeliczki
- Formulation Department, Gedeon Richter Plc. 19-21, Gyomroi St., Budapest 1103, Hungary.
| | - Krisztián Lenkey
- Formulation Department, Gedeon Richter Plc. 19-21, Gyomroi St., Budapest 1103, Hungary
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Płotka-Wasylka J, Szczepańska N, de la Guardia M, Namieśnik J. Modern trends in solid phase extraction: New sorbent media. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.10.010] [Citation(s) in RCA: 290] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Liang Y, Geng F, Dai R, Deng Y. Enrichment of adenosine using thermally responsive chromatographic materials under friendly pH conditions. J Sep Sci 2015; 38:4036-42. [DOI: 10.1002/jssc.201500780] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 09/16/2015] [Accepted: 09/18/2015] [Indexed: 11/05/2022]
Affiliation(s)
- Yanli Liang
- The School of Life Science; Beijing Institute of Technology; Beijing China
| | - Fangfang Geng
- The School of Life Science; Beijing Institute of Technology; Beijing China
| | - Rongji Dai
- The School of Life Science; Beijing Institute of Technology; Beijing China
| | - Yulin Deng
- The School of Life Science; Beijing Institute of Technology; Beijing China
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12
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2009-2010. MASS SPECTROMETRY REVIEWS 2015; 34:268-422. [PMID: 24863367 PMCID: PMC7168572 DOI: 10.1002/mas.21411] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 07/16/2013] [Accepted: 07/16/2013] [Indexed: 05/07/2023]
Abstract
This review is the sixth update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2010. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, arrays and fragmentation are covered in the first part of the review and applications to various structural typed constitutes the remainder. The main groups of compound that are discussed in this section are oligo and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals. Many of these applications are presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions and applications to chemical synthesis.
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Affiliation(s)
- David J. Harvey
- Department of BiochemistryOxford Glycobiology InstituteUniversity of OxfordOxfordOX1 3QUUK
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Li W, Kerwin JL, Schiel J, Formolo T, Davis D, Mahan A, Benchaar SA. Structural Elucidation of Post-Translational Modifications in Monoclonal Antibodies. ACS SYMPOSIUM SERIES 2015. [DOI: 10.1021/bk-2015-1201.ch003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Wenzhou Li
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - James L. Kerwin
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - John Schiel
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - Trina Formolo
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - Darryl Davis
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - Andrew Mahan
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
| | - Sabrina A. Benchaar
- Amgen Inc., Thousand Oaks, California 91320, United States
- Sanovas Inc., Sausalito, California 94965, United States
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Janssen Research and Development, LLC, Spring House, Pennsylvania 19477, United States
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Using poly(3-aminophenylboronic acid) thin film with binding-induced ion flux blocking for amperometric detection of hemoglobin A1c. Biosens Bioelectron 2015; 63:317-324. [DOI: 10.1016/j.bios.2014.07.058] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 07/15/2014] [Accepted: 07/16/2014] [Indexed: 11/22/2022]
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15
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Florentinus-Mefailoski A, Soosaipillai A, Dufresne J, Diamandis EP, Marshall JG. An enzyme-linked immuno-mass spectrometric assay with the substrate adenosine monophosphate. Anal Bioanal Chem 2014; 407:1119-30. [PMID: 25519722 DOI: 10.1007/s00216-014-8323-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 10/29/2014] [Accepted: 11/05/2014] [Indexed: 01/22/2023]
Abstract
An enzyme-linked immuno-mass spectrometric assay (ELIMSA) with the specific detection probe streptavidin conjugated to alkaline phosphatase catalyzed the production of adenosine from the substrate adenosine monophosphate (AMP) for sensitive quantification of prostate-specific antigen (PSA) by mass spectrometry. Adenosine ionized efficiently and was measured to the femtomole range by dilution and direct analysis with micro-liquid chromatography, electrospray ionization, and mass spectrometry (LC-ESI-MS). The LC-ESI-MS assay for adenosine production was shown to be linear and accurate using internal (13)C(15)N adenosine isotope dilution, internal (13)C(15)N adenosine one-point calibration, and external adenosine standard curves with close agreement. The detection limits of LC-ESI-MS for alkaline phosphatase-streptavidin (AP-SA, ∼190,000 Da) was tested by injecting 0.1 μl of a 1 pg/ml solution, i.e., 100 attograms or 526 yoctomole (5.26E-22) of the alkaline-phosphatase labeled probe on column (about 315 AP-SA molecules). The ELIMSA for PSA was linear and showed strong signals across the picogram per milliliter range and could robustly detect PSA from all of the prostatectomy patients and all of the female plasma samples that ranged as low as 70 pg/ml with strong signals well separated from the background and well within the limit of quantification of the AP-SA probe. The results of the ELIMSA assay for PSA are normal and homogenous when independently replicated with a fresh standard over multiple days, and intra and inter diem assay variation was less than 10 % of the mean. In a blind comparison, ELIMSA showed excellent agreement with, but was more sensitive than, the present gold standard commercial fluorescent ELISA, or ECL-based detection, of PSA from normal and prostatectomy samples, respectively.
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Florentinus-Mefailoski A, Marshall JG. Pyridoxamine-5-phosphate enzyme-linked immune mass spectrometric assay substrate for linear absolute quantification of alkaline phosphatase to the yoctomole range applied to prostate specific antigen. Anal Chem 2014; 86:10684-91. [PMID: 25259405 DOI: 10.1021/ac502572a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
There is a need to measure proteins that are present in concentrations below the detection limits of existing colorimetric approaches with enzyme-linked immunoabsorbent assays (ELISA). The powerful enzyme alkaline phosphatase conjugated to the highly specific bacterial protein streptavidin binds to biotinylated macromolecules like proteins, antibodies, or other ligands and receptors with a high affinity. The binding of the biotinylated detection antibody, with resulting amplification of the signal by the catalytic production of reporter molecules, is key to the sensitivity of ELISA. The specificity and amplification of the signal by the enzyme alkaline phosphatase in ELISA together with the sensitivity of liquid chromatography electrospray ionization and mass spectrometry (LC-ESI-MS) to detect femtomole to picomole amounts of reporter molecules results in an ultrasensitive enzyme-linked immune mass spectrometric assay (ELIMSA). The novel ELIMSA substrate pyridoxamine-5-phosphate (PA5P) is cleaved by the enzyme alkaline phosphatase to yield the basic and hydrophilic product pyridoxamine (PA) that elutes rapidly with symmetrical peaks and a flat baseline. Pyridoxamine (PA) and (13)C PA were both observed to show a linear relationship between log ion intensity and quantity from picomole to femtomole amounts by liquid chromatography-electrospray ionization and mass spectrometry. Four independent methods, (i) internal (13)C isotope PA dilution curves, (ii) internal (13)C isotope one-point calibration, (iii) external PA standard curve, and (iv) external (13)C PA standard curve, all agreed within 1 digit in the same order of magnitude on the linear quantification of PA. Hence, a mass spectrometer can be used to robustly detect 526 ymol of the alkaline phosphatase streptavidin probe and accurately quantify zeptomole amounts of PSA against log linear absolute standard by micro electrospray on a simple ion trap.
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Pepaj M, Thorsby PM. Analysis of Glycated Albumin by On-Line Two-Dimensional Liquid Chromatography Mass Spectrometry. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2013.864980] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Milaim Pepaj
- a Hormone Laboratory, Department of Medical Biochemistry , Oslo University Hospital , Oslo , Norway
| | - Per M. Thorsby
- a Hormone Laboratory, Department of Medical Biochemistry , Oslo University Hospital , Oslo , Norway
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Bie Z, Chen Y, Li H, Wu R, Liu Z. Off-line hyphenation of boronate affinity monolith-based extraction with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for efficient analysis of glycoproteins/glycopeptides. Anal Chim Acta 2014; 834:1-8. [PMID: 24928239 DOI: 10.1016/j.aca.2014.04.035] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 04/16/2014] [Accepted: 04/20/2014] [Indexed: 12/12/2022]
Abstract
Boronate affinity materials have attracted increasing attentions as sample enrichment platforms for glycoproteomic analysis in recent years. However, most of the boronate affinity materials that have already employed for proteomic analysis are suffering from apparent disadvantages, such as alkaline pH for binding, weak affinity, and relatively poor selectivity. Benzoboroxoles are a unique class of boronic acids which have showed excellent binding properties for the recognition of cis-diol-containing compounds. Recently, a 3-carboxy-benzoboroxole-functionalized monolithic column had been reported and it had exhibited the best selectivity and affinity as well as the lowest binding pH among all reported boronate affinity monolithic columns. In this study, an off-line hyphenation of this boronate affinity monolithic column-based extraction with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was developed and the powerfulness of this hyphenated approach in the analysis of glycoproteins and glycopeptides in complex samples was investigated. The approach was first applied to the analysis of glycopeptides in the tryptic digest of horseradish peroxidase (HRP). Totally 22 glycopeptides were identified. To the best of our knowledge, this is the best performance among all the boronic acid-functionalized materials. We further employed this approach to the analysis of intact proteins in human saliva. Totally 6 intact glycoproteins were successfully identified. As comparison, when the samples were analyzed without extraction, only a few glycopeptides were identified from the tryptic digest of HRP while no glycoproteins were found from the saliva samples.
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Affiliation(s)
- Zijun Bie
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Yang Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Hengye Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Ronghu Wu
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, GA 30332, USA
| | - Zhen Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
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Liu H, Ponniah G, Neill A, Patel R, Andrien B. Identification and comparative quantitation of glycation by stable isotope labeling and LC-MS. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 958:90-5. [PMID: 24705536 DOI: 10.1016/j.jchromb.2014.03.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 03/06/2014] [Accepted: 03/16/2014] [Indexed: 11/28/2022]
Abstract
Glycation is a common modification of proteins both in vitro and in vivo. To aid identification and comparative quantitation, a method of stable isotope labeling followed by LC-MS analysis was proposed. The samples were reduced using sodium borohydride or sodium borodeuteride. Reduction of the Schiff base between the amine group and the reducing sugars resulted in a molecular weight increase of 2Da using sodium borohydride or a molecular weight increase of 3Da using sodium borodeuteride. The molecular weight difference of 1Da between peptides containing glycated lysine residue reduced using sodium borohydride or sodium borodeuteride was used to identify glycated peptides and to calculate the glycation difference between samples. The method was used to investigate glycation of a recombinant human IgG1 antibody under native and denaturing conditions. The result demonstrated a good correlation between glycation propensity of lysine residues and their solvent exposure levels.
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Affiliation(s)
- Hongcheng Liu
- Protein Characterization, Alexion Pharmaceuticals Inc, 352 Knotter Drive, Cheshire, CT CT06410, United States.
| | - Gomathinayagam Ponniah
- Protein Characterization, Alexion Pharmaceuticals Inc, 352 Knotter Drive, Cheshire, CT CT06410, United States
| | - Alyssa Neill
- Protein Characterization, Alexion Pharmaceuticals Inc, 352 Knotter Drive, Cheshire, CT CT06410, United States
| | - Rekha Patel
- Protein Characterization, Alexion Pharmaceuticals Inc, 352 Knotter Drive, Cheshire, CT CT06410, United States
| | - Bruce Andrien
- Protein Characterization, Alexion Pharmaceuticals Inc, 352 Knotter Drive, Cheshire, CT CT06410, United States
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20
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Chen CC, Su WC, Huang BY, Chen YJ, Tai HC, Obena RP. Interaction modes and approaches to glycopeptide and glycoprotein enrichment. Analyst 2014; 139:688-704. [DOI: 10.1039/c3an01813j] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Arena S, Salzano AM, Renzone G, D'Ambrosio C, Scaloni A. Non-enzymatic glycation and glycoxidation protein products in foods and diseases: an interconnected, complex scenario fully open to innovative proteomic studies. MASS SPECTROMETRY REVIEWS 2014; 33:49-77. [PMID: 24114996 DOI: 10.1002/mas.21378] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 03/09/2013] [Accepted: 03/09/2013] [Indexed: 06/02/2023]
Abstract
The Maillard reaction includes a complex network of processes affecting food and biopharmaceutical products; it also occurs in living organisms and has been strictly related to cell aging, to the pathogenesis of several (chronic) diseases, such as diabetes, uremia, cataract, liver cirrhosis and various neurodegenerative pathologies, as well as to peritoneal dialysis treatment. Dozens of compounds are involved in this process, among which a number of protein-adducted derivatives that have been simplistically defined as early, intermediate and advanced glycation end-products. In the last decade, various bottom-up proteomic approaches have been successfully used for the identification of glycation/glycoxidation protein targets as well as for the characterization of the corresponding adducts, including assignment of the modified amino acids. This article provides an updated overview of the mass spectrometry-based procedures developed to this purpose, emphasizing their partial limits with respect to current proteomic approaches for the analysis of other post-translational modifications. These limitations are mainly related to the concomitant sheer diversity, chemical complexity, and variable abundance of the various derivatives to be characterized. Some challenges to scientists are finally proposed for future proteomic investigations to solve main drawbacks in this research field.
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Affiliation(s)
- Simona Arena
- Proteomics & Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147, Naples, Italy
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22
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Lei C, Qian K, Noonan O, Nouwens A, Yu C. Applications of nanomaterials in mass spectrometry analysis. NANOSCALE 2013; 5:12033-12042. [PMID: 24162102 DOI: 10.1039/c3nr04194h] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Mass spectrometry (MS) based analyses have received intense research interest in a series of rapidly developing disciplines. Although current MS techniques have enjoyed great successes, several key challenges still remain in practical applications, especially for the detection of biomolecules in biological systems. The use of nanomaterials in MS based analysis provides a promising approach due to their unique physical and chemical properties. In this review, nanomaterials with different compositions and nanostructures employed in MS applications are summarised and classified by their functions. Such an integrated and wide reaching review will provide a comprehensive handbook to researchers with various backgrounds working in this exciting interdisciplinary area.
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Affiliation(s)
- Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.
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23
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Wang X, Xia N, Liu L. Boronic Acid-based approach for separation and immobilization of glycoproteins and its application in sensing. Int J Mol Sci 2013; 14:20890-912. [PMID: 24141187 PMCID: PMC3821649 DOI: 10.3390/ijms141020890] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 09/20/2013] [Accepted: 10/08/2013] [Indexed: 01/07/2023] Open
Abstract
Glycoproteins influence a broad spectrum of biological processes including cell-cell interaction, host-pathogen interaction, or protection of proteins against proteolytic degradation. The analysis of their glyco-structures and concentration levels are increasingly important in diagnosis and proteomics. Boronic acids can covalently react with cis-diols in the oligosaccharide chains of glycoproteins to form five- or six-membered cyclic esters. Based on this interaction, boronic acid-based ligands and materials have attracted much attention in both chemistry and biology as the recognition motif for enrichment and chemo/biosensing of glycoproteins in recent years. In this work, we reviewed the progress in the separation, immobilization and detection of glycoproteins with boronic acid-functionalized materials and addressed its application in sensing.
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Affiliation(s)
- Xiaojin Wang
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, Henan, China; E-Mails: (X.W.); (L.L.)
| | - Ning Xia
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, Henan, China; E-Mails: (X.W.); (L.L.)
| | - Lin Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, Henan, China; E-Mails: (X.W.); (L.L.)
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24
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Zhang BT, Zheng X, Li HF, Lin JM. Application of carbon-based nanomaterials in sample preparation: A review. Anal Chim Acta 2013; 784:1-17. [DOI: 10.1016/j.aca.2013.03.054] [Citation(s) in RCA: 241] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 03/14/2013] [Accepted: 03/22/2013] [Indexed: 12/18/2022]
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Kielmas M, Kijewska M, Stefanowicz P, Szewczuk Z. Testing isotopic labeling with [13C6]glucose as a method of advanced glycation sites identification. Anal Biochem 2012; 431:57-65. [DOI: 10.1016/j.ab.2012.08.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2012] [Revised: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 10/27/2022]
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Lu Y, Bie Z, Liu Y, Liu Z. Fine-tuning the specificity of boronate affinity monoliths toward glycoproteins through pH manipulation. Analyst 2012; 138:290-8. [PMID: 23139927 DOI: 10.1039/c2an36048a] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Boronate affinity functionalized materials have recently drawn increasing attention due to their capability to selectively isolate and enrich glycoproteins and glycopeptides. As cheaper and more stable competitors to lectins, boronic acids are generally believed to yield a relatively wider spectrum specificity to glycoproteins. For better understanding and effective utilization of boronate affinity, it is necessary to establish if boronic acids exhibit lectin-like narrow specificity towards individual or a sub-class of glycoproteins. Here we report a pH manipulation strategy for fine-tuning the specificity of boronate affinity monoliths towards two sub-classes of glycoproteins, sialylated and nonsialylated glycoproteins. When the binding pH > the pK(a) of the boronic acid by one pH unit or more, the boronate affinity monolith preferentially binds to glycoproteins containing neutral sugars and excludes sialic acid containing glycoproteins due to electrostatic repulsion. When the binding pH < the pK(a) by one pH unit or more, the boronate affinity monolith binds to sialylated glycoproteins due to the exceptional binding affinity of the boronic acid towards sialic acid residues. The alternative specificity towards sialic acid and neutral sugar was first verified using an off-line combination of boronate affinity extraction with nano-ESI-Orbitrap MS/MS detection. The alternative specificity towards sialylated and nonsialylated glycoproteins was then demonstrated by means of off-line combination of boronate affinity extraction with MALDI-TOF MS. Finally, the developed approach was applied to the alternative extraction of intact sialylated and nonsialylated glycoproteins spiked in human serum.
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Affiliation(s)
- Yue Lu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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27
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Siegel D. Applications of reversible covalent chemistry in analytical sample preparation. Analyst 2012; 137:5457-82. [PMID: 23013801 DOI: 10.1039/c2an35697j] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Reversible covalent chemistry (RCC) adds another dimension to commonly used sample preparation techniques like solid-phase extraction (SPE), solid-phase microextraction (SPME), molecular imprinted polymers (MIPs) or immuno-affinity cleanup (IAC): chemical selectivity. By selecting analytes according to their covalent reactivity, sample complexity can be reduced significantly, resulting in enhanced analytical performance for low-abundance target analytes. This review gives a comprehensive overview of the applications of RCC in analytical sample preparation. The major reactions covered include reversible boronic ester formation, thiol-disulfide exchange and reversible hydrazone formation, targeting analyte groups like diols (sugars, glycoproteins and glycopeptides, catechols), thiols (cysteinyl-proteins and cysteinyl-peptides) and carbonyls (carbonylated proteins, mycotoxins). Their applications range from low abundance proteomics to reversible protein/peptide labelling to antibody chromatography to quantitative and qualitative food analysis. In discussing the potential of RCC, a special focus is on the conditions and restrictions of the utilized reaction chemistry.
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Affiliation(s)
- David Siegel
- BAM Federal Institute for Materials Research and Testing, Richard-Willstätter-Str 11, 12489 Berlin, Germany.
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28
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Ongay S, Boichenko A, Govorukhina N, Bischoff R. Glycopeptide enrichment and separation for protein glycosylation analysis. J Sep Sci 2012; 35:2341-72. [DOI: 10.1002/jssc.201200434] [Citation(s) in RCA: 121] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
| | | | | | - Rainer Bischoff
- Department of Analytical Biochemistry; University of Groningen; Groningen The Netherlands
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29
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Zhang J, Zhang T, Jiang L, Hewitt D, Huang Y, Kao YH, Katta V. Rapid Identification of Low Level Glycation Sites in Recombinant Antibodies by Isotopic Labeling with 13C6-Reducing Sugars. Anal Chem 2012; 84:2313-20. [DOI: 10.1021/ac202995x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jennifer Zhang
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
| | - Taylor Zhang
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
| | - Lihua Jiang
- Thermo Fisher Scientific, 355 River Oaks Parkway, San
Jose, California 95134, United States
| | - Daniel Hewitt
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
| | - YungFu Huang
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
| | - Yung-Hsiang Kao
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
| | - Viswanatham Katta
- Protein Analytical Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, California
94080, United States
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30
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Kijewska M, Stefanowicz P, Kluczyk A, Szewczuk Z. The isotopic exchange of oxygen as a tool for detection of the glycation sites in proteins. Anal Biochem 2011; 419:81-7. [DOI: 10.1016/j.ab.2011.08.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Revised: 08/07/2011] [Accepted: 08/22/2011] [Indexed: 11/17/2022]
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Zhu P, Bowden P, Zhang D, Marshall JG. Mass spectrometry of peptides and proteins from human blood. MASS SPECTROMETRY REVIEWS 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] [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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33
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Xiao J, Zhao Y, Wang H, Yuan Y, Yang F, Zhang C, Kai G. Non-covalent interaction of dietary polyphenols with total plasma proteins of type II diabetes: molecular structure/property–affinity relationships. Integr Biol (Camb) 2011; 3:1087-94. [PMID: 21947088 DOI: 10.1039/c1ib00076d] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jianbo Xiao
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, 100 Guilin Rd, Shanghai 200234, PR China.
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Markó L, Szigeti N, Szabó Z, Böddi K, Takátsy A, Ludány A, Koszegi T, Molnár GA, Wittmann I. Potential urinary biomarkers of disease activity in Crohn's disease. Scand J Gastroenterol 2010; 45:1440-8. [PMID: 20653491 DOI: 10.3109/00365521.2010.505658] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Measurement of the immunoreactive urinary albumin (ir-uAlb) concentration by immunological methods was found to be an effective method to identify disease activity in Crohn's disease (CD). Recently a size-exclusion (SE) high performance liquid chromatography (HPLC) method was developed to measure both ir-uAlb and non-immunoreactive urinary albumin (total, t-uAlb). We aimed to follow-up one of our CD patients with frequent remissions and exacerbation phases comparing the changes of disease activity parameters and the concentration of ir-uAlb and t-uAlb. The surprising results led us to perform measurements in greater depth. MATERIAL AND METHODS Concentration of ir-uAlb was measured by immunoturbidimetry (IT) and t-uAlb by SE-HPLC. Albumin peak of SE-HPLC was collected and applied to a reversed-phase (RP) HPLC and to gel-electrophoresis. Eluted peaks of RP-HPLC and identified bands of gel-electrophoresis were analyzed using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF/MS). RESULTS The concentration of t-uAlb was 15 times higher than that of the ir-uAlb during active state. The RP-HPLC and the gel-electrophoresis separation proved that albumin peak by size-exclusion consists of three different peaks. MALDI-TOF/MS measurements identified α1-acid-glycoprotein and Zn-α2-glycoprotein as major, and albumin as minor protein. CONCLUSIONS Peak of albumin of SE-HPLC contains a significant amount of glycoprotein during the active phase of CD, which could not be detected in remission. Urinary α1-acid-glycoprotein and/or Zn-α2-glycoprotein could be an ideal disease activity biomarker of CD.
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Affiliation(s)
- Lajos Markó
- 2nd Department of Medicine and Nephrological Center, University of Pécs, Faculty of Medicine, Pécs, Hungary
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Henning S, Mormann M, Peter-Katalinić J, Pohlentz G. Direct analysis of α- and β-chains of hemoglobins from mammalian blood samples by nanoESI mass spectrometry during in-capillary proteolytic digestion. Amino Acids 2010; 41:343-50. [DOI: 10.1007/s00726-010-0671-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2010] [Accepted: 06/17/2010] [Indexed: 02/02/2023]
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Wan J, Qian K, Zhang J, Liu F, Wang Y, Yang P, Liu B, Yu C. Functionalized periodic mesoporous organosilicas for enhanced and selective peptide enrichment. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:7444-7450. [PMID: 20095532 DOI: 10.1021/la9041698] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The analysis of peptides by the mass spectrometry (MS) technique is important in modern life science. The enrichment of peptides can increase the detection efficiency and is sometimes indispensable for collecting the information on proteins with low-abundance. Herein, we first report that functionalized periodic mesoporous organosilica (PMO) materials have a superior peptide enrichment property. It is demonstrated that the PMO materials with an organo-bridged (-CH(2)-) hybrid wall composition display a highly enhanced peptide enrichment ability compared to the pure silica material (SBA-15) with similar mesostructured parameters and morphology. More importantly, by surface modification of PMO with amino groups (denoted NH(2)-PMO), PMO and NH(2)-PMO with opposite charged surfaces (-25.2 and +39.0 mV, respectively) show selective affinities for positively and negatively charged peptides, respectively. By directly adding PMO, NH(2)-PMO as well as pure silica materials to the peptides solution with a low concentration (1-2 fmol/microL), 36 and 28 peptides can be detected from the BSA digestion in the presence of PMO and NH(2)-PMO, respectively, while only 6 and 4 are monitored in the case of SBA-15 enrichment and from solution without enrichment, respectively. Moreover, 69.4% (25 of 36) of enriched peptides by PMO have pI > or = 6 and 80% (21 of 28) of enriched peptides by NH(2)-PMO possess pI < or = 6. Combining the results from the NH(2)-PMO and PMO enrichment together, 51 peptides can be identified with a MOWSE score of 333. It is also noted that similar conclusions can also be obtained from the peptides solution originated from other proteins. This might be an important contribution to the understanding of the interaction between peptides and porous hosts, and the proposed method is promising for the development of both material science and biotechnology.
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Affiliation(s)
- Jingjing Wan
- Department of Chemistry, Institute of Biomedical Sciences and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, PR China
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Barnaby OS, Wa C, Cerny RL, Clarke W, Hage DS. Quantitative analysis of glycation sites on human serum albumin using (16)O/(18)O-labeling and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Clin Chim Acta 2010; 411:1102-10. [PMID: 20394739 DOI: 10.1016/j.cca.2010.04.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Revised: 04/06/2010] [Accepted: 04/07/2010] [Indexed: 11/27/2022]
Abstract
BACKGROUND One of the long term complications of diabetes is the non-enzymatic addition of glucose to proteins in blood, such as human serum albumin (HSA), which leads to the formation of an Amadori product and advanced glycation end products (AGEs). This study uses (16)O/(18)O-labeling and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) to provide quantitative data on the extent of modification that occurs in the presence of glucose at various regions in the structure of minimally glycated HSA. METHODS Normal HSA, with no significant levels of glycation, was digested by various proteolytic enzymes in the presence of water, while a similar sample containing in vitro glycated HSA was digested in (18)O-enriched water. These samples were then mixed and the (16)O/(18)O ratios were measured for peptides in each digest. The values obtained for the (16)O/(18)O ratios of the detected peptides for the mixed sample were used to determine the degree of modification that occurred in various regions of glycated HSA. RESULTS Peptides containing arginines 114, 81, or 218 and lysines 413, 432, 159, 212, or 323 were found to have (16)O/(18)O ratios greater than a cut off value of 2.0 (i.e., a cut off value based on results noted when using only normal HSA as a reference). A qualitative comparison of the (16)O- and (18)O-labeled digests indicated that lysines 525 and 439 also had significant degrees of modification. The modifications that occurred at these sites were variations of fructosyl-lysine and AGEs which included 1-alkyl-2-formyl-3,4-glycoyl-pyrole and pyrraline. CONCLUSIONS Peptides containing arginine 218 and lysines 212, 413, 432, and 439 contained high levels of modification and are also present near the major drug binding sites on HSA. This result is clinically relevant because it suggests the glycation of HSA may alter its ability to bind various drugs and small solutes in blood.
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Affiliation(s)
- Omar S Barnaby
- Department of Chemistry, University of Nebraska, Lincoln, NE, United States
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