1
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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. [PMID: 39007648 DOI: 10.1039/d4ay00503a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [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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2
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Buchowiecka AK. Evidence of Gas Phase Glucosyl Transfer and Glycation in the CID/HCD-Spectra of S-Glucosylated Peptides. Int J Mol Sci 2024; 25:7483. [PMID: 39000590 PMCID: PMC11242366 DOI: 10.3390/ijms25137483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/30/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024] Open
Abstract
Protein cysteine S-glycosylation is a relatively rare and less well characterized post-translational modification (PTM). Creating reliable model proteins that carry this modification is challenging. The lack of available models or natural S-glycosylated proteins significantly hampers the development of mass-spectrometry-based (MS-based) methodologies for detecting protein cysteine S-glycosylation in real-world proteomic studies. There is also limited MS-sequencing data describing it as easier to create synthetic S-glycopeptides. Here, we present the results of an in-depth manual analysis of automatically annotated CID/HCD spectra for model S-glucopeptides. The CID spectra show a long series of y/b-fragment ions with retained S-glucosylation, regardless of the dominant m/z signals corresponding to neutral loss of 1,2-anhydroglucose from the precursor ions. In addition, the spectra show signals manifesting glucosyl transfer from the cysteine position onto lysine, arginine (Lys, Arg) side chains, and a peptide N-terminus. Other spectral evidence indicates that the N-glucosylated initial products of transfer are converted into N-fructosylated (i.e., glycated) structures due to Amadori rearrangement. We discuss the peculiar transfer of the glucose oxocarbenium ion (Glc+) to positively charged guanidinium residue (ArgH+) and propose a mechanism for the gas-phase Amadori rearrangement involving a 1,2-hydride ion shift.
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Affiliation(s)
- Alicja K Buchowiecka
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland
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3
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Chaurasiya A, Jaiswal MR, Bayatigeri S, Kahar S, Tiwari S, Unnikrishnan AG, Kulkarni MJ. Elevated Level of Glycated KQTALVELVK Peptide of Albumin Is Associated with the Risk of Diabetic Nephropathy. ACS OMEGA 2023; 8:20654-20660. [PMID: 37332825 PMCID: PMC10268606 DOI: 10.1021/acsomega.3c01219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 03/31/2023] [Indexed: 06/20/2023]
Abstract
Diabetic nephropathy is a leading cause of end-stage renal disease. Hence, early detection of diabetic nephropathy is essential to mitigate the disease burden. Microalbuminuria, the currently used diagnostic marker of diabetic nephropathy, is not efficient in detecting it at an early stage. Therefore, we explored the utility of glycated human serum albumin (HSA) peptides for risk prediction of diabetic nephropathy. Three glycation-sensitive HSA peptides, namely, FKDLGEENFK, KQTALVELVK, and KVPQVSTPTLVEVSR, with deoxyfructosyllysine (DFL) modification were quantified by targeted mass spectrometry (MS) in a study population comprising healthy and type II diabetes subjects with and without nephropathy. Mass spectrometry, receiver operating characteristic (ROC) curve, and correlation analysis revealed that the DFL-modified KQTALVELVK peptide was better than other glycated HSA peptides and HbA1c for identifying diabetic nephropathy. DFL-modified KQTALVELVK could be a potential marker for risk prediction of diabetic nephropathy.
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Affiliation(s)
- Arvindkumar
H. Chaurasiya
- Biochemical
Sciences Division, CSIR-National Chemical
Laboratory, Pune 411008, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Meera R. Jaiswal
- Biochemical
Sciences Division, CSIR-National Chemical
Laboratory, Pune 411008, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Santhakumari Bayatigeri
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Center
for Materials Characterization, CSIR-National
Chemical Laboratory, Pune 411008, India
| | - Shweta Kahar
- Department
of Diabetes and Endocrine Research, Chellaram
Diabetes Institute, Pune 411021, India
| | - Shalbha Tiwari
- Department
of Diabetes and Endocrine Research, Chellaram
Diabetes Institute, Pune 411021, India
| | - Ambika G. Unnikrishnan
- Department
of Diabetes and Endocrine Research, Chellaram
Diabetes Institute, Pune 411021, India
| | - Mahesh J. Kulkarni
- Biochemical
Sciences Division, CSIR-National Chemical
Laboratory, Pune 411008, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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4
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Berger MT, Hemmler D, Diederich P, Rychlik M, Marshall JW, Schmitt-Kopplin P. Open Search of Peptide Glycation Products from Tandem Mass Spectra. Anal Chem 2022; 94:5953-5961. [PMID: 35389626 DOI: 10.1021/acs.analchem.2c00388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Identification of chemically modified peptides in mass spectrometry (MS)-based glycation studies is a crucial yet challenging task. There is a need to establish a mode for matching tandem mass spectrometry (MS/MS) data, allowing for both known and unknown peptide glycation modifications. We present an open search approach that uses classic and modified peptide fragment ions. The latter are shifted by the mass delta of the modification. Both provide key structural information that can be used to assess the peptide core structure of the glycation product. We also leverage redundant neutral losses from the modification side chain, introducing a third ion class for matching referred to as characteristic fragment ions. We demonstrate that peptide glycation product MS/MS spectra contain multidimensional information and that most often, more than half of the spectral information is ignored if no attempt is made to use a multi-step matching algorithm. Compared to regular and/or modified peptide ion matching, our triple-ion strategy significantly increased the median interpretable fraction of the glycation product MS/MS spectra. For reference, we apply our approach for Amadori product characterization and identify all established diagnostic ions automatically. We further show how this method effectively applies the open search concept and allows for optimized elucidation of unknown structures by presenting two hitherto undescribed peptide glycation modifications with a delta mass of 102.0311 and 268.1768 Da. We characterize their fragmentation signature by integration with isotopically labeled glycation products, which provides high validity for non-targeted structure identification.
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Affiliation(s)
- Michelle T Berger
- Chair of Analytical Food Chemistry, Technical University Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany.,Research Unit Analytical BioGeoChemistry (BGC), Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Daniel Hemmler
- Chair of Analytical Food Chemistry, Technical University Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany.,Research Unit Analytical BioGeoChemistry (BGC), Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Philippe Diederich
- Research Unit Analytical BioGeoChemistry (BGC), Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Michael Rychlik
- Chair of Analytical Food Chemistry, Technical University Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany
| | - James W Marshall
- The Waltham Petcare Science Institute, Mars Petcare UK, Waltham-on-the-Wolds, Leicestershire LE14 4RT, United Kingdom
| | - Philippe Schmitt-Kopplin
- Chair of Analytical Food Chemistry, Technical University Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany.,Research Unit Analytical BioGeoChemistry (BGC), Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
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5
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Garikapati V, Colasante C, Baumgart-Vogt E, Spengler B. Sequential lipidomic, metabolomic, and proteomic analyses of serum, liver, and heart tissue specimens from peroxisomal biogenesis factor 11α knockout mice. Anal Bioanal Chem 2022; 414:2235-2250. [PMID: 35083512 PMCID: PMC8821073 DOI: 10.1007/s00216-021-03860-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 11/25/2021] [Accepted: 12/20/2021] [Indexed: 12/16/2022]
Abstract
Peroxisomes are versatile single membrane-enclosed cytoplasmic organelles, involved in reactive oxygen species (ROS) and lipid metabolism and diverse other metabolic processes. Peroxisomal disorders result from mutations in Pex genes-encoded proteins named peroxins (PEX proteins) and single peroxisomal enzyme deficiencies. The PEX11 protein family (α, β, and γ isoforms) plays an important role in peroxisomal proliferation and fission. However, their specific functions and the metabolic impact caused by their deficiencies have not been precisely characterized. To understand the systemic molecular alterations caused by peroxisomal defects, here we utilized untreated peroxisomal biogenesis factor 11α knockout (Pex11α KO) mouse model and performed serial relative-quantitative lipidomic, metabolomic, and proteomic analyses of serum, liver, and heart tissue homogenates. We demonstrated significant specific changes in the abundances of multiple lipid species, polar metabolites, and proteins and dysregulated metabolic pathways in distinct biological specimens of the Pex11α KO adult mice in comparison to the wild type (WT) controls. Overall, the present study reports comprehensive semi-quantitative molecular omics information of the Pex11α KO mice, which might serve in the future as a reference for a better understanding of the roles of Pex11α and underlying pathophysiological mechanisms of peroxisomal biogenesis disorders.
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Affiliation(s)
- Vannuruswamy Garikapati
- Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, 35392, Giessen, Germany.,Institute for Anatomy and Cell Biology II, Division of Medical Cell Biology, Justus Liebig University Giessen, 35392, Giessen, Germany
| | - Claudia Colasante
- Institute for Anatomy and Cell Biology II, Division of Medical Cell Biology, Justus Liebig University Giessen, 35392, Giessen, Germany
| | - Eveline Baumgart-Vogt
- Institute for Anatomy and Cell Biology II, Division of Medical Cell Biology, Justus Liebig University Giessen, 35392, Giessen, Germany.
| | - Bernhard Spengler
- Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, 35392, Giessen, Germany.
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6
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Inhibitory effect of sea buckthorn extracts on advanced glycation endproduct formation. Food Chem 2021; 373:131364. [PMID: 34731796 DOI: 10.1016/j.foodchem.2021.131364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 01/08/2023]
Abstract
This study shows the inhibitory effect of sea buckthorn (Hippophae rhamnoides L.) extracts, sea buckthorn leaf (HRL) and berry (HRB), on the formation of advanced glycation endproducts (AGEs), closely linked to diverse disease. In vitro assay revealed the superior inhibitory effect of HRL on the AGEs formation and AGEs-induced collagen crosslinking compared with that of HRB. Ultra-performance liquid chromatography-mass spectrometry results revealed that HRL displays a higher inhibition efficiency on the AGEs formation at 30 AGEs binding sites in bovine serum albumin than HRB. The high concentration of 3-sophoroside-7-rhamnoside in HRL compared with that in HRB may result in the strong inhibitory effect of HRL compared with that of HRB. HRL also exhibited significantly higher ABTS and DPPH radical scavenging activities than HRB. Overall, this study demonstrated that HRL has excellent potential as a dietary agent for controlling various diseases mediated by AGEs and oxidative stress.
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Tabang DN, Ford M, Li L. Recent Advances in Mass Spectrometry-Based Glycomic and Glycoproteomic Studies of Pancreatic Diseases. Front Chem 2021; 9:707387. [PMID: 34368082 PMCID: PMC8342852 DOI: 10.3389/fchem.2021.707387] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/12/2021] [Indexed: 12/14/2022] Open
Abstract
Modification of proteins by glycans plays a crucial role in mediating biological functions in both healthy and diseased states. Mass spectrometry (MS) has emerged as the most powerful tool for glycomic and glycoproteomic analyses advancing knowledge of many diseases. Such diseases include those of the pancreas which affect millions of people each year. In this review, recent advances in pancreatic disease research facilitated by MS-based glycomic and glycoproteomic studies will be examined with a focus on diabetes and pancreatic cancer. The last decade, and especially the last five years, has witnessed developments in both discovering new glycan or glycoprotein biomarkers and analyzing the links between glycans and disease pathology through MS-based studies. The strength of MS lies in the specificity and sensitivity of liquid chromatography-electrospray ionization MS for measuring a wide range of biomolecules from limited sample amounts from many sample types, greatly enhancing and accelerating the biomarker discovery process. Furthermore, imaging MS of glycans enabled by matrix-assisted laser desorption/ionization has proven useful in complementing histology and immunohistochemistry to monitor pancreatic disease progression. Advances in biological understanding and analytical techniques, as well as challenges and future directions for the field, will be discussed.
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Affiliation(s)
- Dylan Nicholas Tabang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, United States
| | - Megan Ford
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Lingjun Li
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, United States.,School of Pharmacy, University of Wisconsin-Madison, Madison, WI, United States
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8
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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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9
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Korwar AM, Zhang Q. Comprehensive Quantification of Carboxymethyllysine-Modified Peptides in Human Plasma. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:744-752. [PMID: 33512994 PMCID: PMC8075102 DOI: 10.1021/jasms.0c00443] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A prolonged hyperglycemic condition in diabetes mellitus results in glycation of plasma proteins. N(ε)-Carboxymethyllysine (CML) is a well-known protein advanced glycation end product, and one of its mechanisms of formation is through further oxidation of Amadori compound modified lysine (AML). Unlike enrichment of AML peptides using boronate affinity, biochemical enrichment methods are scarce for comprehensive profiling of CML-modified peptides. To address this problem, we used AML peptide sequence and site of modification as template library to identify and quantify CML peptides. In this study, a parallel reaction monitoring workflow was developed to comprehensively quantify CML modified peptides in Type 1 diabetic subjects' plasma with good and poor glycemic control (n = 20 each). A total of 58 CML modified peptides were quantified, which represented 57 CML modification sites in 19 different proteins. Out of the 58 peptides, five were significantly higher in poor glycemic control samples with the area under the receiver operating characteristic curve ≥0.83. These peptides could serve as promising indicators of glycemic control in Type 1 diabetes management.
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Affiliation(s)
- Arvind M. Korwar
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, NC 28081, USA
| | - Qibin Zhang
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, NC 28081, USA
- Department of Chemistry & Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27412, USA
- Corresponding author: Dr. Qibin Zhang, UNCG Center for Translational Biomedical Research, 600 Laureate Way, Kannapolis, NC 28081,
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10
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Fu J, Luo Y, Mou M, Zhang H, Tang J, Wang Y, Zhu F. Advances in Current Diabetes Proteomics: From the Perspectives of Label- free Quantification and Biomarker Selection. Curr Drug Targets 2021; 21:34-54. [PMID: 31433754 DOI: 10.2174/1389450120666190821160207] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/17/2019] [Accepted: 07/24/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Due to its prevalence and negative impacts on both the economy and society, the diabetes mellitus (DM) has emerged as a worldwide concern. In light of this, the label-free quantification (LFQ) proteomics and diabetic marker selection methods have been applied to elucidate the underlying mechanisms associated with insulin resistance, explore novel protein biomarkers, and discover innovative therapeutic protein targets. OBJECTIVE The purpose of this manuscript is to review and analyze the recent computational advances and development of label-free quantification and diabetic marker selection in diabetes proteomics. METHODS Web of Science database, PubMed database and Google Scholar were utilized for searching label-free quantification, computational advances, feature selection and diabetes proteomics. RESULTS In this study, we systematically review the computational advances of label-free quantification and diabetic marker selection methods which were applied to get the understanding of DM pathological mechanisms. Firstly, different popular quantification measurements and proteomic quantification software tools which have been applied to the diabetes studies are comprehensively discussed. Secondly, a number of popular manipulation methods including transformation, pretreatment (centering, scaling, and normalization), missing value imputation methods and a variety of popular feature selection techniques applied to diabetes proteomic data are overviewed with objective evaluation on their advantages and disadvantages. Finally, the guidelines for the efficient use of the computationbased LFQ technology and feature selection methods in diabetes proteomics are proposed. CONCLUSION In summary, this review provides guidelines for researchers who will engage in proteomics biomarker discovery and by properly applying these proteomic computational advances, more reliable therapeutic targets will be found in the field of diabetes mellitus.
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Affiliation(s)
- Jianbo Fu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yongchao Luo
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Minjie Mou
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hongning Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jing Tang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.,School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University, Chongqing 401331, China
| | - Yunxia Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Feng Zhu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.,School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University, Chongqing 401331, China
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11
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Chanukuppa V, Taware R, Taunk K, Chatterjee T, Sharma S, Somasundaram V, Rashid F, Malakar D, Santra MK, Rapole S. Proteomic Alterations in Multiple Myeloma: A Comprehensive Study Using Bone Marrow Interstitial Fluid and Serum Samples. Front Oncol 2021; 10:566804. [PMID: 33585190 PMCID: PMC7879980 DOI: 10.3389/fonc.2020.566804] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 12/07/2020] [Indexed: 12/19/2022] Open
Abstract
Multiple myeloma (MM) is a plasma cell-associated cancer and exists as the second most common hematological malignancy worldwide. Although researchers have been working on MM, a comprehensive quantitative Bone Marrow Interstitial Fluid (BMIF) and serum proteomic analysis from the same patients’ samples is not yet reported. The present study involves the investigation of alterations in the BMIF and serum proteome of MM patients compared to controls using multipronged quantitative proteomic approaches viz., 2D-DIGE, iTRAQ, and SWATH-MS. A total of 279 non-redundant statistically significant differentially abundant proteins were identified by the combination of three proteomic approaches in MM BMIF, while in the case of serum 116 such differentially abundant proteins were identified. The biological context of these dysregulated proteins was deciphered using various bioinformatic tools. Verification experiments were performed in a fresh independent cohort of samples using immunoblotting and mass spectrometry based SRM assays. Thorough data evaluation led to the identification of a panel of five proteins viz., haptoglobin, kininogen 1, transferrin, and apolipoprotein A1 along with albumin that was validated using ELISA in a larger cohort of serum samples. This panel of proteins could serve as a useful tool in the diagnosis and understanding of the pathophysiology of MM in the future.
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Affiliation(s)
- Venkatesh Chanukuppa
- Proteomics Lab, National Centre for Cell Science, Pune, India.,Savitribai Phule Pune University, Pune, India
| | - Ravindra Taware
- Proteomics Lab, National Centre for Cell Science, Pune, India
| | - Khushman Taunk
- Proteomics Lab, National Centre for Cell Science, Pune, India
| | | | | | | | | | | | - Manas K Santra
- Cancer Biology and Epigenetics Lab, National Centre for Cell Science, Pune, India
| | - Srikanth Rapole
- Proteomics Lab, National Centre for Cell Science, Pune, India
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12
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Taunk K, Kalita B, Kale V, Chanukuppa V, Naiya T, Zingde SM, Rapole S. The development and clinical applications of proteomics: an Indian perspective. Expert Rev Proteomics 2020; 17:433-451. [PMID: 32576061 DOI: 10.1080/14789450.2020.1787157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
INTRODUCTION Proteomic research has been extensively used to identify potential biomarkers or targets for various diseases. Advances in mass spectrometry along with data analytics have led proteomics to become a powerful tool for exploring the critical molecular players associated with diseases, thereby, playing a significant role in the development of proteomic applications for the clinic. AREAS COVERED This review presents recent advances in the development and clinical applications of proteomics in India toward understanding various diseases including cancer, metabolic diseases, and reproductive diseases. Keywords combined with 'clinical proteomics in India' 'proteomic research in India' and 'mass spectrometry' were used to search PubMed. EXPERT OPINION The past decade has seen a significant increase in research in clinical proteomics in India. This approach has resulted in the development of proteomics-based marker technologies for disease management in the country. The majority of these investigations are still in the discovery phase and efforts have to be made to address the intended clinical use so that the identified potential biomarkers reach the clinic. To move toward this necessity, there is a pressing need to establish some key infrastructure requirements and meaningful collaborations between the clinicians and scientists which will enable more effective solutions to address health issues specific to India.
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Affiliation(s)
- Khushman Taunk
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India.,Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, West Bengal , Haringhata, West Bengal, India
| | - Bhargab Kalita
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
| | - Vaikhari Kale
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
| | | | - Tufan Naiya
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, West Bengal , Haringhata, West Bengal, India
| | - Surekha M Zingde
- CH3-53, Kendriya Vihar, Sector 11, Kharghar , Navi Mumbai, Maharashtra, India
| | - Srikanth Rapole
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
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13
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Li W, Lin L, Yan D, Jin Y, Xu Y, Li Y, Ma M, Wu Z. Application of a Pseudotargeted MS Method for the Quantification of Glycated Hemoglobin for the Improved Diagnosis of Diabetes Mellitus. Anal Chem 2020; 92:3237-3245. [PMID: 31961136 DOI: 10.1021/acs.analchem.9b05046] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Weifeng Li
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Lin Lin
- Sustech Core Research Facilities, Southern University of Science and Technology, Shenzhen 518055, China
| | - Dewen Yan
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
| | - Yu Jin
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
| | - Yun Xu
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
| | - Yinghong Li
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
| | - Min Ma
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Zhengzhi Wu
- Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
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LI WF, YAN DW, JIN Y, LI HY, MA M, WU ZZ. Application of Mass Spectrometry in Analysis of Non-Enzymatic Glycation Proteins in Diabetic Blood. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1016/s1872-2040(19)61197-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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15
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Rathore R, Sonwane BP, Jagadeeshaprasad MG, Kahar S, Santhakumari B, Unnikrishnan AG, Kulkarni MJ. Glycation of glucose sensitive lysine residues K36, K438 and K549 of albumin is associated with prediabetes. J Proteomics 2019; 208:103481. [PMID: 31394310 DOI: 10.1016/j.jprot.2019.103481] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 07/24/2019] [Accepted: 08/01/2019] [Indexed: 12/16/2022]
Abstract
Prediabetes is a risk factor for the development of diabetes. Early diagnosis of prediabetes may prevent the onset and progression of diabetes and its associated complications. Therefore, this study aimed at the identification of novel markers for efficient prediction of prediabetes. In this pursuit, we have evaluated the ability of glycated peptides of albumin in predicting prediabetes. Glycated peptides of in vitro glycated albumin were characterized by data dependent acquisition and parallel reaction monitoring using LC-HRMS. Amongst 14 glycated peptides characterized in vitro, four peptides, particularly, FK(CML)DLGEENFK, K(AML)VPQVSTPTLVEVSR, K(CML)VPQVSTPTLVEVSR, and K(AML)QTALVELVK, corresponding to 3 glucose sensitive lysine residues K36, K438, and K549, respectively showed significantly higher abundance in prediabetes than control. Additionally, the abundance of three of these peptides, namely K(AML)QTALVELVK, K(CML)VPQVSTPTLVEVSR and FK(CML)DLGEENFK was >1.8-fold in prediabetes, which was significantly higher than the differences observed for FBG, PPG, and HbA1c. Further, the four glycated peptides showed a significant correlation with FBG, PPG, HbA1c, triglycerides, VLDL, and HDL. This study supports that glycated peptides of glucose sensitive lysine residues K36, K438 and K549 of albumin could be potentially useful markers for prediction of prediabetes. SIGNIFICANCE: Undiagnosed prediabetes may lead to diabetes and associated complications. This study reports targeted quantification of four glycated peptides particulary FK(CML)DLGEENFK, K(AML)VPQVSTPTLVEVSR, K(CML)VPQVSTPTLVEVSR, and K(AML)QTALVELVK, corresponding to 3 glucose sensitive lysine residues K36, K438 and K549 respectively by parallel reaction monitoring in healthy and prediabetic subjects. These peptides showed significantly higher abundance in prediabetes than healthy subjects, and showed significant correlation with various clinical parameters including FBG, PPG, HbA1c, and altered lipid profile. Therefore, together these four peptides constitute a panel of markers that can be useful for prediction of prediabetes.
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Affiliation(s)
- Rajeshwari Rathore
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Babasaheb P Sonwane
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - M G Jagadeeshaprasad
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | | | - B Santhakumari
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | | | - Mahesh J Kulkarni
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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16
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Devani RS, Chirmade T, Sinha S, Bendahmane A, Dholakia BB, Banerjee AK, Banerjee J. Flower bud proteome reveals modulation of sex-biased proteins potentially associated with sex expression and modification in dioecious Coccinia grandis. BMC PLANT BIOLOGY 2019; 19:330. [PMID: 31337343 PMCID: PMC6651928 DOI: 10.1186/s12870-019-1937-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 07/11/2019] [Indexed: 05/27/2023]
Abstract
BACKGROUND Dioecy is an important sexual system wherein, male and female flowers are borne on separate unisexual plants. Knowledge of sex-related differences can enhance our understanding in molecular and developmental processes leading to unisexual flower development. Coccinia grandis is a dioecious species belonging to Cucurbitaceae, a family well-known for diverse sexual forms. Male and female plants have 22A + XY and 22A + XX chromosomes, respectively. Previously, we have reported a gynomonoecious form (22A + XX) of C. grandis bearing morphologically hermaphrodite flowers (GyM-H) and female flowers (GyM-F). Also, we have showed that foliar spray of AgNO3 on female plant induces morphologically hermaphrodite bud development (Ag-H) despite the absence of Y-chromosome. RESULTS To identify sex-related differences, total proteomes from male, female, GyM-H and Ag-H flower buds at early and middle stages of development were analysed by label-free proteomics. Protein search against the cucumber protein sequences (Phytozome) as well as in silico translated C. grandis flower bud transcriptome database, resulted in the identification of 2426 and 3385 proteins (FDR ≤ 1%), respectively. The latter database was chosen for further analysis as it led to the detection of higher number of proteins. Identified proteins were annotated using BLAST2GO pipeline. SWATH-MS-based comparative abundance analysis between Female_Early_vs_Male_Early, Ag_Early_vs_Female_Early, GyM-H_Middle_vs_Male_Middle and Ag_Middle_vs_ Male_Middle led to the identification of 650, 1108, 905 and 805 differentially expressed proteins, respectively, at fold change ≥1.5 and P ≤ 0.05. Ethylene biosynthesis-related candidates as highlighted in protein interaction network were upregulated in female buds compared to male buds. AgNO3 treatment on female plant induced proteins related to pollen development in Ag-H buds. Additionally, a few proteins governing pollen germination and tube growth were highly enriched in male buds compared to Ag-H and GyM-H buds. CONCLUSION Overall, current proteomic analysis provides insights in the identification of key proteins governing dioecy and unisexual flower development in cucurbitaceae, the second largest horticultural family in terms of economic importance. Also, our results suggest that the ethylene-mediated stamen inhibition might be conserved in dioecious C. grandis similar to its monoecious cucurbit relatives. Further, male-biased proteins associated with pollen germination and tube growth identified here can help in understanding pollen fertility.
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Affiliation(s)
- Ravi Suresh Devani
- Biology Division, Indian Institute of Science Education and Research (IISER), Pune, 411008 India
- IPS2, INRA, CNRS, University Paris Sud, University of Evry, University of Paris Diderot, University of Paris Saclay, Batiment 630, 91405 Orsay, France
| | - Tejas Chirmade
- Biochemical Science Division National Chemical laboratory (CSIR-NCL), Pune, 411008 India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Sangram Sinha
- Department of Botany, Tripura University, Suryamaninagar, Tripura 799022 India
| | - Abdelhafid Bendahmane
- IPS2, INRA, CNRS, University Paris Sud, University of Evry, University of Paris Diderot, University of Paris Saclay, Batiment 630, 91405 Orsay, France
| | - Bhushan B. Dholakia
- Biology Division, Indian Institute of Science Education and Research (IISER), Pune, 411008 India
- Biochemical Science Division National Chemical laboratory (CSIR-NCL), Pune, 411008 India
- Department of Molecular Biology & Bioinformatics, Tripura University, Suryamaninagar, Tripura 799022 India
| | - Anjan Kumar Banerjee
- Biology Division, Indian Institute of Science Education and Research (IISER), Pune, 411008 India
| | - Jayeeta Banerjee
- Biology Division, Indian Institute of Science Education and Research (IISER), Pune, 411008 India
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Narasimhan M, Kannan S, Chawade A, Bhattacharjee A, Govekar R. Clinical biomarker discovery by SWATH-MS based label-free quantitative proteomics: impact of criteria for identification of differentiators and data normalization method. J Transl Med 2019; 17:184. [PMID: 31151397 PMCID: PMC6545036 DOI: 10.1186/s12967-019-1937-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 05/24/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND SWATH-MS has emerged as the strategy of choice for biomarker discovery due to the proteome coverage achieved in acquisition and provision to re-interrogate the data. However, in quantitative analysis using SWATH, each sample from the comparison group is run individually in mass spectrometer and the resulting inter-run variation may influence relative quantification and identification of biomarkers. Normalization of data to diminish this variation thereby becomes an essential step in SWATH data processing. In most reported studies, data normalization methods used are those provided in instrument-based data analysis software or those used for microarray data. This study, for the first time provides an experimental evidence for selection of normalization method optimal for biomarker identification. METHODS The efficiency of 12 normalization methods to normalize SWATH-MS data was evaluated based on statistical criteria in 'Normalyzer'-a tool which provides comparative evaluation of normalization by different methods. Further, the suitability of normalized data for biomarker discovery was assessed by evaluating the clustering efficiency of differentiators, identified from the normalized data based on p-value, fold change and both, by hierarchical clustering in Genesis software v.1.8.1. RESULTS Conventional statistical criteria identified VSN-G as the optimal method for normalization of SWATH data. However, differentiators identified from VSN-G normalized data failed to segregate test and control groups. We thus assessed data normalized by eleven other methods for their ability to yield differentiators which segregate the study groups. Datasets in our study demonstrated that differentiators identified based on p-value from data normalized with Loess-R stratified the study groups optimally. CONCLUSION This is the first report of experimentally tested strategy for SWATH-MS data processing with an emphasis on identification of clinically relevant biomarkers. Normalization of SWATH-MS data by Loess-R method and identification of differentiators based on p-value were found to be optimal for biomarker discovery in this study. The study also demonstrates the need to base the choice of normalization method on the application of the data.
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Affiliation(s)
- Mythreyi Narasimhan
- Advanced Centre for Treatment, Research and Education in Cancer, Tata Memorial Centre, Kharghar, Navi Mumbai 410210 India
- BARC Training School Complex, Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094 India
| | - Sadhana Kannan
- Advanced Centre for Treatment, Research and Education in Cancer, Tata Memorial Centre, Kharghar, Navi Mumbai 410210 India
| | - Aakash Chawade
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Atanu Bhattacharjee
- Section of Biostatistics, Centre for Cancer Epidemiology, Tata Memorial Centre, Kharghar, Navi Mumbai 410210 India
| | - Rukmini Govekar
- Advanced Centre for Treatment, Research and Education in Cancer, Tata Memorial Centre, Kharghar, Navi Mumbai 410210 India
- BARC Training School Complex, Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094 India
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18
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D'Aronco S, Crotti S, Agostini M, Traldi P, Chilelli NC, Lapolla A. The role of mass spectrometry in studies of glycation processes and diabetes management. MASS SPECTROMETRY REVIEWS 2019; 38:112-146. [PMID: 30423209 DOI: 10.1002/mas.21576] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 07/03/2018] [Indexed: 06/09/2023]
Abstract
In the last decade, mass spectrometry has been widely employed in the study of diabetes. This was mainly due to the development of new, highly sensitive, and specific methods representing powerful tools to go deep into the biochemical and pathogenetic processes typical of the disease. The aim of this review is to give a panorama of the scientifically valid results obtained in this contest. The recent studies on glycation processes, in particular those devoted to the mechanism of production and to the reactivity of advanced glycation end products (AGEs, AGE peptides, glyoxal, methylglyoxal, dicarbonyl compounds) allowed to obtain a different view on short and long term complications of diabetes. These results have been employed in the research of effective markers and mass spectrometry represented a precious tool allowing the monitoring of diabetic nephropathy, cardiovascular complications, and gestational diabetes. The same approaches have been employed to monitor the non-insulinic diabetes pharmacological treatments, as well as in the discovery and characterization of antidiabetic agents from natural products. © 2018 Wiley Periodicals, Inc. Mass Spec Rev 38:112-146, 2019.
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Affiliation(s)
- Sara D'Aronco
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy
| | - Sara Crotti
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy
| | - Marco Agostini
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy
| | - Pietro Traldi
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padova, Italy
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19
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Jagadeeshaprasad M, Venkatasubramani V, Unnikrishnan AG, Kulkarni MJ. Albumin Abundance and Its Glycation Status Determine Hemoglobin Glycation. ACS OMEGA 2018; 3:12999-13008. [PMID: 30411025 PMCID: PMC6217588 DOI: 10.1021/acsomega.8b01702] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 09/24/2018] [Indexed: 05/17/2023]
Abstract
Diabetes diagnosis and management majorly depend upon the measurement of glycated hemoglobin (HbA1c) levels. Various factors influence HbA1c levels such as the use of various analytical methods and the presence of various clinical conditions. Plasma albumin levels were known to be negatively associated with HbA1c. However, the precise mechanism by which they affect HbA1c is not well understood. Therefore, we have studied the influence of albumin levels and its glycation status on hemoglobin glycation using erythrocyte culture experiments. Erythrocytes maintained at low albumin concentration exhibited relatively increased albumin and hemoglobin glycation as compared to that in those maintained at higher albumin concentration. Increase in albumin glycation may decrease its ability to protect hemoglobin glycation. This was demonstrated by treatment of erythrocytes with N(ε)-(carboxymethyl)lysine-modified serum albumin (CMSA), which failed to protect hemoglobin glycation; instead, it increased hemoglobin glycation. The inability of CMSA to reduce hemoglobin glycation was due to the lack of free lysine residues of albumin, which was corroborated by using N(ε)-(acetyl)lysine serum albumin (AcSA) and clinical diabetic plasma. This is the first study which demonstrates that the modification of lysine residues of albumin impairs its ability to inhibit hemoglobin glycation. Furthermore, correlation studies between HbA1c and albumin levels or relative albumin fructosamine from clinical subjects supported our experimental finding that albumin abundance and its glycation status influence hemoglobin glycation. Therefore, we propose albumin level and its glycation status to be quantified in conjunction with HbA1c for better management of diabetes.
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Affiliation(s)
| | - Vinashya Venkatasubramani
- Proteomics
Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune 411008, India
| | - Ambika G. Unnikrishnan
- Department
of Diabetes and Endocrine Research, Chellaram
Diabetes Institute, Pune 411021, Maharashtra, India
| | - Mahesh J. Kulkarni
- Proteomics
Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune 411008, India
- E-mail: . Tel: +91 20 25902541. Fax: +91 20 25902648
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20
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Liu J, Wang L, Tang X, Fu S, Tian Y, Ma L. Analysis of differentially expressed advanced glycation end product-modified proteins in diabetic rat kidney. Int J Diabetes Dev Ctries 2018. [DOI: 10.1007/s13410-018-0616-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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21
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Bhardwaj N, Verma VK, Chaturvedi V, Verma P. GH10 XynF1 and Xyn11A: the predominant xylanase identified in the profiling of extracellular proteome of Aspergillus oryzae LC1. ANN MICROBIOL 2018. [DOI: 10.1007/s13213-018-1378-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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22
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Salunke R, Mourier T, Banerjee M, Pain A, Shanmugam D. Highly diverged novel subunit composition of apicomplexan F-type ATP synthase identified from Toxoplasma gondii. PLoS Biol 2018; 16:e2006128. [PMID: 30005062 PMCID: PMC6059495 DOI: 10.1371/journal.pbio.2006128] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 07/25/2018] [Accepted: 06/22/2018] [Indexed: 12/18/2022] Open
Abstract
The mitochondrial F-type ATP synthase, a multisubunit nanomotor, is critical for maintaining cellular ATP levels. In T. gondii and other apicomplexan parasites, many subunit components necessary for proper assembly and functioning of this enzyme appear to be missing. Here, we report the identification of 20 novel subunits of T. gondii F-type ATP synthase from mass spectrometry analysis of partially purified monomeric (approximately 600 kDa) and dimeric (>1 MDa) forms of the enzyme. Despite extreme sequence diversification, key FO subunits a, b, and d can be identified from conserved structural features. Orthologs for these proteins are restricted to apicomplexan, chromerid, and dinoflagellate species. Interestingly, their absence in ciliates indicates a major diversion, with respect to subunit composition of this enzyme, within the alveolate clade. Discovery of these highly diversified novel components of the apicomplexan F-type ATP synthase complex could facilitate the development of novel antiparasitic agents. Structural and functional characterization of this unusual enzyme complex will advance our fundamental understanding of energy metabolism in apicomplexan species.
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Affiliation(s)
- Rahul Salunke
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, India
| | - Tobias Mourier
- Pathogen Genomics Laboratory, BESE Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Manidipa Banerjee
- Kusuma School of Biological Sciences, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India
| | - Arnab Pain
- Pathogen Genomics Laboratory, BESE Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Dhanasekaran Shanmugam
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, India
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23
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Lin CY, Sheu JJ, Tsai IS, Wang ST, Yang LY, Hsu IU, Chang HW, Lee HM, Kao SH, Lee CK, Chen CH, Lin YF. Elevated IgM against Nε-(Carboxyethyl)lysine-modified Apolipoprotein A1 peptide 141–147 in Taiwanese with Alzheimer's disease. Clin Biochem 2018; 56:75-82. [DOI: 10.1016/j.clinbiochem.2018.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 03/02/2018] [Accepted: 04/10/2018] [Indexed: 12/21/2022]
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24
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Peterson SM, Turner JE, Harrington A, Davis-Knowlton J, Lindner V, Gridley T, Vary CPH, Liaw L. Notch2 and Proteomic Signatures in Mouse Neointimal Lesion Formation. Arterioscler Thromb Vasc Biol 2018; 38:1576-1593. [PMID: 29853569 PMCID: PMC6023756 DOI: 10.1161/atvbaha.118.311092] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 05/16/2018] [Indexed: 12/29/2022]
Abstract
Supplemental Digital Content is available in the text. Objective— Vascular remodeling is associated with complex molecular changes, including increased Notch2, which promotes quiescence in human smooth muscle cells. We used unbiased protein profiling to understand molecular signatures related to neointimal lesion formation in the presence or absence of Notch2 and to test the hypothesis that loss of Notch2 would increase neointimal lesion formation because of a hyperproliferative injury response. Approach and Results— Murine carotid arteries isolated at 6 or 14 days after ligation injury were analyzed by mass spectrometry using a data-independent acquisition strategy in comparison to uninjured or sham injured arteries. We used a tamoxifen-inducible, cell-specific Cre recombinase strain to delete the Notch2 gene in smooth muscle cells. Vessel morphometric analysis and immunohistochemical staining were used to characterize lesion formation, assess vascular smooth muscle cell proliferation, and validate proteomic findings. Loss of Notch2 in smooth muscle cells leads to protein profile changes in the vessel wall during remodeling but does not alter overall lesion morphology or cell proliferation. Loss of smooth muscle Notch2 also decreases the expression of enhancer of rudimentary homolog, plectin, and annexin A2 in vascular remodeling. Conclusions— We identified unique protein signatures that represent temporal changes in the vessel wall during neointimal lesion formation in the presence and absence of Notch2. Overall lesion formation was not affected with loss of smooth muscle Notch2, suggesting compensatory pathways. We also validated the regulation of known injury- or Notch-related targets identified in other vascular contexts, providing additional insight into conserved pathways involved in vascular remodeling.
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Affiliation(s)
- Sarah M Peterson
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.).,University of Maine Graduate School of Biomedical Science and Engineering, Orono (S.M.P., V.L., T.G., C.P.H.V., L.L.)
| | - Jacqueline E Turner
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Anne Harrington
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Jessica Davis-Knowlton
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.).,Tufts Sackler School of Graduate Biomedical Sciences, Boston, MA (J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Volkhard Lindner
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.).,University of Maine Graduate School of Biomedical Science and Engineering, Orono (S.M.P., V.L., T.G., C.P.H.V., L.L.).,Tufts Sackler School of Graduate Biomedical Sciences, Boston, MA (J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Thomas Gridley
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.).,University of Maine Graduate School of Biomedical Science and Engineering, Orono (S.M.P., V.L., T.G., C.P.H.V., L.L.).,Tufts Sackler School of Graduate Biomedical Sciences, Boston, MA (J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Calvin P H Vary
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.).,University of Maine Graduate School of Biomedical Science and Engineering, Orono (S.M.P., V.L., T.G., C.P.H.V., L.L.).,Tufts Sackler School of Graduate Biomedical Sciences, Boston, MA (J.D.-K., V.L., T.G., C.P.H.V., L.L.)
| | - Lucy Liaw
- From the Maine Medical Center Research Institute, Scarborough (S.M.P., J.E.T., A.H., J.D.-K., V.L., T.G., C.P.H.V., L.L.) .,University of Maine Graduate School of Biomedical Science and Engineering, Orono (S.M.P., V.L., T.G., C.P.H.V., L.L.).,Tufts Sackler School of Graduate Biomedical Sciences, Boston, MA (J.D.-K., V.L., T.G., C.P.H.V., L.L.)
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25
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Batkulwar K, Godbole R, Banarjee R, Kassaar O, Williams RJ, Kulkarni MJ. Advanced Glycation End Products Modulate Amyloidogenic APP Processing and Tau Phosphorylation: A Mechanistic Link between Glycation and the Development of Alzheimer's Disease. ACS Chem Neurosci 2018; 9:988-1000. [PMID: 29384651 DOI: 10.1021/acschemneuro.7b00410] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Advanced glycation end products (AGEs) are implicated in the pathology of Alzheimer's disease (AD), as they induce neurodegeneration following interaction with the receptor for AGE (RAGE). This study aimed to establish a mechanistic link between AGE-RAGE signaling and AD pathology. AGE-induced changes in the neuro2a proteome were monitored by SWATH-MS. Western blotting and cell-based reporter assays were used to investigate AGE-RAGE regulated APP processing and tau phosphorylation in primary cortical neurons. Selected protein expression was validated in brain samples affected by AD. The AGE-RAGE axis altered proteome included increased expression of cathepsin B and asparagine endopeptidase (AEP), which mediated an increase in Aβ1-42 formation and tau phosphorylation, respectively. Elevated cathepsin B, AEP, RAGE, and pTau levels were found in human AD brain, coincident with enhanced AGEs. This study demonstrates that the AGE-RAGE axis regulates Aβ1-42 formation and tau phosphorylation via increased cathepsin B and AEP, providing a new molecular link between AGEs and AD pathology.
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Affiliation(s)
- Kedar Batkulwar
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory, Pune-411008, India
| | - Rashmi Godbole
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India
| | - Reema Banarjee
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory, Pune-411008, India
| | - Omar Kassaar
- Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, U.K
| | - Robert J. Williams
- Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, U.K
| | - Mahesh J. Kulkarni
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory, Pune-411008, India
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Lomate PR, Dewangan V, Mahajan NS, Kumar Y, Kulkarni A, Wang L, Saxena S, Gupta VS, Giri AP. Integrated Transcriptomic and Proteomic Analyses Suggest the Participation of Endogenous Protease Inhibitors in the Regulation of Protease Gene Expression in Helicoverpa armigera. Mol Cell Proteomics 2018; 17:1324-1336. [PMID: 29661852 DOI: 10.1074/mcp.ra117.000533] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 03/16/2018] [Indexed: 11/06/2022] Open
Abstract
Insects adapt to plant protease inhibitors (PIs) present in their diet by differentially regulating multiple digestive proteases. However, mechanisms regulating protease gene expression in insects are largely enigmatic. Ingestion of multi-domain recombinant Capsicum annuum protease inhibitor-7 (CanPI-7) arrests growth and development of Helicoverpa armigera (Lepidoptera: Noctuidae). Using de novo RNA sequencing and proteomic analysis, we examined the response of H. armigera larvae fed on recombinant CanPI-7 at different time intervals. Here, we present evidence supporting a dynamic transition in H. armigera protease expression on CanPI-7 feeding with general down-regulation of protease genes at early time points (0.5 to 6 h) and significant up-regulation of specific trypsin, chymotrypsin and aminopeptidase genes at later time points (12 to 48 h). Further, coexpression of H. armigera endogenous PIs with several digestive protease genes were apparent. In addition to the differential expression of endogenous H. armigera PIs, we also observed a distinct novel isoform of endogenous PI in CanPI-7 fed H. armigera larvae. Based on present and earlier studies, we propose potential mechanism of protease regulation in H. armigera and subsequent adaptation strategy to cope with anti-nutritional components of plants.
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Affiliation(s)
- Purushottam R Lomate
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India
| | - Veena Dewangan
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India
| | - Neha S Mahajan
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India
| | - Yashwant Kumar
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India
| | - Abhijeet Kulkarni
- §Bioinformatics Centre, Savitribai Phule Pune University, Pune 411007, MS, India
| | - Li Wang
- ¶Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames 50011, IA
| | - Smita Saxena
- §Bioinformatics Centre, Savitribai Phule Pune University, Pune 411007, MS, India
| | - Vidya S Gupta
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India
| | - Ashok P Giri
- From the ‡Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, MS, India;
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Afonso CB, Sousa BC, Pitt AR, Spickett CM. A mass spectrometry approach for the identification and localization of small aldehyde modifications of proteins. Arch Biochem Biophys 2018; 646:38-45. [PMID: 29580947 DOI: 10.1016/j.abb.2018.03.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/20/2018] [Accepted: 03/22/2018] [Indexed: 12/29/2022]
Abstract
Lipids containing polyunsaturated fatty acids are primary targets of oxidation, which produces reactive short-chain aldehydes that can covalently modify proteins, a process called lipoxidation. Improved mass spectrometry (MS) methods for the analysis of these adducts in complex biological systems are needed. Lysozyme and human serum albumin (HSA) were used as model proteins to investigate lipoxidation products formed by two short-chain aldehydes, acrolein and pentanal, which are unsaturated and saturated aldehydes respectively. The adducts formed were stabilized by NaBH4 or NaBH3CN reduction and analysed by MS. Analysis of intact modified lysozyme showed a pentanal modification resulting from Schiff's base formation (+70 Da), and up to 8 acrolein adducts, all resulting from Michael addition (+58 Da). Analysis of tryptic digests identified specific histidine, cysteine and lysine residues modified in both lysozyme and HSA, and determined characteristic amino acid-specific fragmentations. Eight different internal fragment ions were found that could be used as general diagnostic ions for pentanal- and acrolein-modified amino acids. The combined use of intact protein analysis and LC-MS/MS methods provided a powerful tool for the identification and localization of aldehyde-protein adducts, and the diagnostic ions will facilitate the development of targeted MS methods for analysis of adducts in more complex samples.
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Affiliation(s)
- Catarina B Afonso
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Bebiana C Sousa
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Andrew R Pitt
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK.
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28
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Jana AK, Batkulwar KB, Kulkarni MJ, Sengupta N. Glycation induces conformational changes in the amyloid-β peptide and enhances its aggregation propensity: molecular insights. Phys Chem Chem Phys 2018; 18:31446-31458. [PMID: 27827482 DOI: 10.1039/c6cp05041g] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The cytotoxicity of the amyloid beta (Aβ) peptide, implicated in the pathogenesis of Alzheimer's disease (AD), can be enhanced by its post-translational glycation, a series of non-enzymatic reactions with reducing sugars and reactive dicarbonyls. However, little is known about the underlying mechanisms that potentially enhance the cytotoxicity of the advanced glycation modified Aβ. In this work, fully atomistic molecular dynamics (MD) simulations are exploited to obtain direct molecular insights into the process of early Aβ self-assembly in the presence and absence of glycated lysine residues. Analyses of data exceeding cumulative timescales of 1 microsecond for each system reveal that glycation results in a stronger enthalpy of association between Aβ monomers and lower conformational entropy, in addition to a sharp overall increase in the beta-sheet content. Further analyses reveal that the enhanced interactions originate, in large part, due to markedly stronger, as well as new, inter-monomer salt bridging propensities in the glycated variety. Interestingly, these conformational and energetic effects are broadly reflected in preformed protofibrillar forms of Aβ small oligomers modified with glycation. Our combined results imply that glycation consolidates Aβ self-assembly regardless of its point of occurrence in the pathway. They provide a basis for further mechanistic studies and therapeutic endeavors that could potentially result in novel ways of combating AGE related AD progression.
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Affiliation(s)
- Asis K Jana
- Physical Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Kedar B Batkulwar
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India and Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India.
| | - Mahesh J Kulkarni
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India and Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune 411008, India.
| | - Neelanjana Sengupta
- Dept. of Biological Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741 246, W. Bengal, India.
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29
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Soboleva A, Schmidt R, Vikhnina M, Grishina T, Frolov A. Maillard Proteomics: Opening New Pages. Int J Mol Sci 2017; 18:E2677. [PMID: 29231845 PMCID: PMC5751279 DOI: 10.3390/ijms18122677] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 11/29/2017] [Accepted: 12/05/2017] [Indexed: 12/12/2022] Open
Abstract
Protein glycation is a ubiquitous non-enzymatic post-translational modification, formed by reaction of protein amino and guanidino groups with carbonyl compounds, presumably reducing sugars and α-dicarbonyls. Resulting advanced glycation end products (AGEs) represent a highly heterogeneous group of compounds, deleterious in mammals due to their pro-inflammatory effect, and impact in pathogenesis of diabetes mellitus, Alzheimer's disease and ageing. The body of information on the mechanisms and pathways of AGE formation, acquired during the last decades, clearly indicates a certain site-specificity of glycation. It makes characterization of individual glycation sites a critical pre-requisite for understanding in vivo mechanisms of AGE formation and developing adequate nutritional and therapeutic approaches to reduce it in humans. In this context, proteomics is the methodology of choice to address site-specific molecular changes related to protein glycation. Therefore, here we summarize the methods of Maillard proteomics, specifically focusing on the techniques providing comprehensive structural and quantitative characterization of glycated proteome. Further, we address the novel break-through areas, recently established in the field of Maillard research, i.e., in vitro models based on synthetic peptides, site-based diagnostics of metabolism-related diseases (e.g., diabetes mellitus), proteomics of anti-glycative defense, and dynamics of plant glycated proteome during ageing and response to environmental stress.
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Affiliation(s)
- Alena Soboleva
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle, Germany.
| | - Rico Schmidt
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Martin-Luther Universität Halle-Wittenberg, 06108 Halle, Germany.
| | - Maria Vikhnina
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle, Germany.
| | - Tatiana Grishina
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
| | - Andrej Frolov
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle, Germany.
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30
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Chaudhari PR, Charles SE, D'Souza ZC, Vaidya MM. Hemidesmosomal linker proteins regulate cell motility, invasion and tumorigenicity in oral squamous cell carcinoma derived cells. Exp Cell Res 2017; 360:125-137. [PMID: 28867478 DOI: 10.1016/j.yexcr.2017.08.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/29/2017] [Accepted: 08/24/2017] [Indexed: 12/18/2022]
Abstract
BPAG1e and Plectin are hemidesmosomal linker proteins which anchor intermediate filament proteins to the cell surface through β4 integrin. Recent reports indicate that these proteins play a role in various cellular processes apart from their known anchoring function. However, the available literature is inconsistent. Further, the previous study from our laboratory suggested that Keratin8/18 pair promotes cell motility and tumor progression by deregulating β4 integrin signaling in oral squamous cell carcinoma (OSCC) derived cells. Based on these findings, we hypothesized that linker proteins may have a role in neoplastic progression of OSCC. Downregulation of hemidesmosomal linker proteins in OSCC derived cells resulted in reduced cell migration accompanied by alterations in actin organization. Further, decreased MMP9 activity led to reduced cell invasion in linker proteins knockdown cells. Moreover, loss of these proteins resulted in reduced tumorigenic potential. SWATH analysis demonstrated upregulation of N-Myc downstream regulated gene 1 (NDRG1) in linker proteins downregulated cells as compared to vector control cells. Further, the defects in phenotype upon linker proteins ablation were rescued upon loss of NDRG1 in linker proteins knockdown background. These data together indicate that hemidesmosomal linker proteins regulate cell motility, invasion and tumorigenicity possibly through NDRG1 in OSCC derived cells.
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Affiliation(s)
- Pratik Rajeev Chaudhari
- Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre (TMC), Kharghar, Navi Mumbai 410210, India; Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India
| | - Silvania Emlit Charles
- Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre (TMC), Kharghar, Navi Mumbai 410210, India
| | - Zinia Charlotte D'Souza
- Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre (TMC), Kharghar, Navi Mumbai 410210, India
| | - Milind Murlidhar Vaidya
- Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre (TMC), Kharghar, Navi Mumbai 410210, India; Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India.
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31
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Bhat S, Jagadeeshaprasad MG, Venkatasubramani V, Kulkarni MJ. Abundance matters: role of albumin in diabetes, a proteomics perspective. Expert Rev Proteomics 2017; 14:677-689. [PMID: 28689445 DOI: 10.1080/14789450.2017.1352473] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Human serum albumin (HSA) is a multifaceted protein with vital physiological functions. It is the most abundant plasma protein with inherent capability to bind to diverse ligands, and thus susceptible to various post-translational modifications (PTMs) which alter its structure and functions. One such PTM is glycation, a non-enzymatic reaction between reducing sugar and protein leading to formation of heterogeneous advanced glycation end products (AGEs). Glycated albumin (GA) concentration increases significantly in diabetes and is implicated in development of secondary complications. Areas covered: In this review, we discuss in depth, formation of GA and its consequences, approaches used for characterization and quantification of GA, milestones in GA proteomics, clinical relevance of GA as a biomarker, significance of maintaining abundant levels of albumin and future perspectives. Expert commentary: Elevated GA levels are associated with development of insulin resistance as well as secondary complications, in healthy and diabetic individuals respectively. Mass spectrometry (MS) based approaches aid in precise characterization and quantification of GA including early and advanced glycated peptides, which can be useful in prediction of the disease status. Thus GA has evolved to be one of the best candidates in the pursuit of diagnostic markers for prediction of prediabetes and diabetic complications.
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Affiliation(s)
- Shweta Bhat
- a Division of Biochemical Sciences , CSIR-National Chemical Laboratory , Pune , India
| | | | | | - Mahesh J Kulkarni
- a Division of Biochemical Sciences , CSIR-National Chemical Laboratory , Pune , India
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32
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Targeted Quantification of the Glycated Peptides of Human Serum Albumin. Methods Mol Biol 2017. [PMID: 28674900 DOI: 10.1007/978-1-4939-7057-5_28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Glycated human serum albumin (HSA) serves as an important marker for monitoring the glycemic status. Developing methods for unambiguous identification and quantification of glycated peptides of HSA using high-throughput technologies such as mass spectrometry has a great clinical significance. The following protocol describes the construction of reference spectral libraries for Amadori-modified lysine (AML), N(ε)-(carboxymethyl) lysine (CML)-, and N(ε)-(carboxyethyl)lysine (CEL)-modified peptides of synthetically modified HSA using high-resolution mass spectrometers. The protocol also describes work flows, for unambiguous identification and quantification of glycated modified peptides of HSA in clinical plasma using standard spectral libraries by various mass spectrometry approaches such as parallel reaction monitoring (PRM), sequential window acquisition of all theoretical fragment ion spectra (SWATH), and MSE.
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33
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Gajbhiye A, Dabhi R, Taunk K, Jagadeeshaprasad MG, RoyChoudhury S, Mane A, Bayatigeri S, Chaudhury K, Santra MK, Rapole S. Multipronged quantitative proteomics reveals serum proteome alterations in breast cancer intrinsic subtypes. J Proteomics 2017; 163:1-13. [DOI: 10.1016/j.jprot.2017.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 05/04/2017] [Accepted: 05/05/2017] [Indexed: 12/29/2022]
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34
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Ingram T, Zuck J, Borges CR, Redig P, Sweazea KL. Variations in native protein glycation and plasma antioxidants in several birds of prey. Comp Biochem Physiol B Biochem Mol Biol 2017; 210:18-28. [PMID: 28529085 DOI: 10.1016/j.cbpb.2017.05.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 05/03/2017] [Accepted: 05/09/2017] [Indexed: 12/23/2022]
Abstract
Birds are an anomaly among vertebrates as they are remarkably long-lived despite having naturally high blood glucose and metabolic rates. For mammals, hyperglycemia leads to oxidative stress and protein glycation. In contrast, many studies have shown that domestic and wild birds are relatively resistant to these glucose-mediated pathologies. Surprisingly very little research has examined protein glycation in birds of prey, which by nature consume a diet high in protein and fat that promotes gluconeogenesis. The purpose of this study was to evaluate protein glycation and antioxidant concentrations in serum samples from several birds of prey (bald eagle (BAEA), red-tailed hawk (RTHA), barred owl (BAOW), great horned owl (GHOW)) as protein glycation can accelerate oxidative stress and vice versa. Serum glucose was measured using a commercially available assay, native albumin glycation was measured by mass spectrometry and various antioxidants (uric acid, vitamin E, retinol and several carotenoids) were measured by high performance liquid chromatography. Although glucose concentrations were not significantly different between species (p=0.340), albumin glycation was significantly higher (p=0.004) in BAEA (23.67±1.90%) and BAOW (24.28±1.43%) compared to RTHA (14.31±0.63%). Of the antioxidants examined, lutein was significantly higher in BAOW (p=0.008). BAEA had the highest beta-cryptoxanthin and beta-carotene concentrations (p<0.005). The high concentrations of antioxidants in these birds of prey relative to other birds likely helps protect from complications that may otherwise arise from having high glucose and protein glycation.
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Affiliation(s)
- Tana Ingram
- School of Nutrition and Health Promotion, Arizona State University
| | - Jessica Zuck
- School of Nutrition and Health Promotion, Arizona State University
| | - Chad R Borges
- School of Molecular Sciences & The Biodesign Institute, Arizona State University, Tempe, AZ, United States
| | - Patrick Redig
- Raptor Center, College of Veterinary Medicine, University of Minnesota
| | - Karen L Sweazea
- School of Nutrition and Health Promotion, Arizona State University; School of Life Sciences, Arizona State University.
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35
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Anjo SI, Santa C, Manadas B. SWATH-MS as a tool for biomarker discovery: From basic research to clinical applications. Proteomics 2017; 17. [DOI: 10.1002/pmic.201600278] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 01/05/2017] [Accepted: 01/23/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Sandra Isabel Anjo
- CNC - Center for Neuroscience and Cell Biology; University of Coimbra; Coimbra Portugal
- Faculty of Sciences and Technology; University of Coimbra; Coimbra Portugal
| | - Cátia Santa
- CNC - Center for Neuroscience and Cell Biology; University of Coimbra; Coimbra Portugal
- Institute for Interdisciplinary Research (III); University of Coimbra; Coimbra Portugal
| | - Bruno Manadas
- CNC - Center for Neuroscience and Cell Biology; University of Coimbra; Coimbra Portugal
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36
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Gajbhiye A, Dabhi R, Taunk K, Vannuruswamy G, RoyChoudhury S, Adhav R, Seal S, Mane A, Bayatigeri S, Santra MK, Chaudhury K, Rapole S. Urinary proteome alterations in HER2 enriched breast cancer revealed by multipronged quantitative proteomics. Proteomics 2016; 16:2403-18. [DOI: 10.1002/pmic.201600015] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 04/27/2016] [Accepted: 06/15/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Akshada Gajbhiye
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
- Savitribai Phule Pune University; Ganeshkhind Pune Maharashtra India
| | - Raju Dabhi
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
| | - Khushman Taunk
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
| | | | - Sourav RoyChoudhury
- School of Medical Science and Technology; Indian Institute of Technology; Kharagpur West Bengal India
| | - Ragini Adhav
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
| | | | - Anupama Mane
- Grant Medical Foundation; Ruby Hall Clinic; Pune Maharashtra India
| | | | - Manas K. Santra
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
| | - Koel Chaudhury
- School of Medical Science and Technology; Indian Institute of Technology; Kharagpur West Bengal India
| | - Srikanth Rapole
- Proteomics Lab; National Centre for Cell Science; Ganeshkhind Pune Maharashtra India
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37
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Greifenhagen U, Frolov A, Blüher M, Hoffmann R. Site-specific analysis of advanced glycation end products in plasma proteins of type 2 diabetes mellitus patients. Anal Bioanal Chem 2016; 408:5557-66. [DOI: 10.1007/s00216-016-9651-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Revised: 05/06/2016] [Accepted: 05/17/2016] [Indexed: 01/21/2023]
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Bhat S, Jagadeeshaprasad MG, Patil YR, Shaikh ML, Regin BS, Mohan V, Giri AP, Balasubramanyam M, Boppana R, Kulkarni MJ. Proteomic Insight Reveals Elevated Levels of Albumin in Circulating Immune Complexes in Diabetic Plasma. Mol Cell Proteomics 2016; 15:2011-20. [PMID: 27056913 DOI: 10.1074/mcp.m116.058008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Indexed: 12/17/2022] Open
Abstract
A Hyperglycemic condition in diabetes promotes formation of advanced glycation end products, which are known to elicit immune response and form complexes with immunoglobulins called circulating immune complexes. To investigate the involvement of advanced glycation end product (AGE)-modified proteins in the elicitation of an immune response, circulating immune complexes were isolated and proteins associated were identified and characterized. Label-free-based mass spectrometric analysis of circulating immune complexes in clinical plasma of prediabetic, newly diagnosed diabetes, and diabetic microalbuminurea revealed elevated levels of serum albumin in the circulating immune complexes, which were also observed to be AGE modified. Further, to examine the role of glycation, circulating immune complexeswere analyzed in the streptozotocin-induced diabetic mice treated with or without aminoguanidine, a prototype glycation inhibitor. Mass spectrometric analysis of circulating immune complexes showed elevated levels of serum albumin in plasma from diabetic mice over that of control animals. Aminoguanidine-treated diabetic mice displayed decreased AGE modification of plasma albumin, accompanied by a reduced level of albumin in the circulating immune complexes. In addition, elevated levels of proinflammatory cytokines such as IL-1b, IL-2, and TNF-alpha were observed in diabetes, which were reduced with aminoguanidine treatment, suggesting the involvement of glycation in the immune response.
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Affiliation(s)
- Shweta Bhat
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Mashanipalya G Jagadeeshaprasad
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Yugendra R Patil
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | | | | | | | - Ashok P Giri
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | | | | | - Mahesh J Kulkarni
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India;
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Jagadeeshaprasad MG, Batkulwar KB, Meshram NN, Tiwari S, Korwar AM, Unnikrishnan AG, Kulkarni MJ. Targeted quantification of N-1-(carboxymethyl) valine and N-1-(carboxyethyl) valine peptides of β-hemoglobin for better diagnostics in diabetes. Clin Proteomics 2016; 13:7. [PMID: 27030792 PMCID: PMC4812615 DOI: 10.1186/s12014-016-9108-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Accepted: 03/12/2016] [Indexed: 12/22/2022] Open
Abstract
Background N-1-(Deoxyfructosyl) valine (DFV) β-hemoglobin (β-Hb), commonly referred as HbA1c, is widely used diagnostic marker in diabetes, believed to provide glycemic status of preceding 90–120 days. However, the turnover of hemoglobin is about 120 days, the DFV-β-Hb, an early and reversible glycation product eventually may undergo irreversible advanced glycation modifications such as carboxymethylation or carboxyethylation. Hence quantification of N-1-(carboxymethyl) valine (CMV) and N-1-(carboxyethyl) valine (CEV) peptides of β-Hb would be useful in assessing actual glycemic status. Results Fragment ion library for synthetically glycated peptides of hemoglobin was generated by using high resolution–accurate mass spectrometry (HR/AM). Using parallel reaction monitoring, deoxyfructosylated, carboxymethylated and carboxyethylated peptides of hemoglobin were quantified in clinical samples from healthy control, pre-diabetes, diabetes and poorly controlled diabetes. For the first time, we report N-1-β-valine undergoes carboxyethylation and mass spectrometric quantification of CMV and CEV peptides of β-hemoglobin. Carboxymethylation was found to be the most abundant modification of N-1-β-valine. Both CMV-β-Hb and CEV-β-Hb peptides showed better correlation with severity of diabetes in terms of fasting glucose, postprandial glucose and microalbuminuria. Conclusions This study reports carboxymethylation as a predominant modification of N-1-β-valine of Hb, and quantification of CMV-β-Hb and CEV-β-Hb could be useful parameter for assessing the severity of diabetes. Electronic supplementary material The online version of this article (doi:10.1186/s12014-016-9108-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mashanipalya G Jagadeeshaprasad
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, 411008 India ; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Kedar B Batkulwar
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, 411008 India ; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Nishita N Meshram
- Department of Diabetes and Endocrine Research, Chellaram Diabetes Institute, Pune, Maharashtra India
| | - Shalbha Tiwari
- Department of Diabetes and Endocrine Research, Chellaram Diabetes Institute, Pune, Maharashtra India
| | - Arvind M Korwar
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, 411008 India
| | - Ambika G Unnikrishnan
- Department of Diabetes and Endocrine Research, Chellaram Diabetes Institute, Pune, Maharashtra India
| | - Mahesh J Kulkarni
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, 411008 India ; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
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40
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Potential Dual Role of Eugenol in Inhibiting Advanced Glycation End Products in Diabetes: Proteomic and Mechanistic Insights. Sci Rep 2016; 6:18798. [PMID: 26739611 PMCID: PMC4704049 DOI: 10.1038/srep18798] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 11/26/2015] [Indexed: 01/13/2023] Open
Abstract
Medicinally important genus Ocimum harbors a vast pool of chemically diverse metabolites. Current study aims at identifying anti-diabetic candidate compounds from Ocimum species. Major metabolites in O. kilimandscharicum, O. tenuiflorum, O. gratissimum were purified, characterized and evaluated for anti-glycation activity. In vitro inhibition of advanced glycation end products (AGEs) by eugenol was found to be highest. Preliminary biophysical analysis and blind docking studies to understand eugenol-albumin interaction indicated eugenol to possess strong binding affinity for surface exposed lysines. However, binding of eugenol to bovine serum albumin (BSA) did not result in significant change in secondary structure of protein. In vivo diabetic mice model studies with eugenol showed reduction in blood glucose levels by 38% likely due to inhibition of α-glucosidase while insulin and glycated hemoglobin levels remain unchanged. Western blotting using anti-AGE antibody and mass spectrometry detected notably fewer AGE modified peptides upon eugenol treatment both in vivo and in vitro. Histopathological examination revealed comparatively lesser lesions in eugenol-treated mice. Thus, we propose eugenol has dual mode of action in combating diabetes; it lowers blood glucose by inhibiting α-glucosidase and prevents AGE formation by binding to ε-amine group on lysine, protecting it from glycation, offering potential use in diabetic management.
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Vannuruswamy G, Jagadeeshaprasad MG, Kashinath K, Kesavan SK, Bhat S, Korwar AM, Chougale AD, Boppana R, Reddy DS, Kulkarni MJ. Molecules with O-acetyl group protect protein glycation by acetylating lysine residues. RSC Adv 2016. [DOI: 10.1039/c6ra11313c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In-vitro and in-vivo chemical proteomic studies of acetyl group molecules revealed that, O-acetyl molecules competitively inhibits the protein glycation by acetylating the lysine residues.
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Affiliation(s)
- Garikapati Vannuruswamy
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | | | - K. Kashinath
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi
- India
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
| | - Suresh K. Kesavan
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Shweta Bhat
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Arvind M. Korwar
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Ashok D. Chougale
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | | | - D. Srinivasa Reddy
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi
- India
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
| | - Mahesh J. Kulkarni
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
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42
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Fredolini C, Byström S, Pin E, Edfors F, Tamburro D, Iglesias MJ, Häggmark A, Hong MG, Uhlen M, Nilsson P, Schwenk JM. Immunocapture strategies in translational proteomics. Expert Rev Proteomics 2015; 13:83-98. [PMID: 26558424 PMCID: PMC4732419 DOI: 10.1586/14789450.2016.1111141] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Aiming at clinical studies of human diseases, antibody-assisted assays have been applied to biomarker discovery and toward a streamlined translation from patient profiling to assays supporting personalized treatments. In recent years, integrated strategies to couple and combine antibodies with mass spectrometry-based proteomic efforts have emerged, allowing for novel possibilities in basic and clinical research. Described in this review are some of the field's current and emerging immunocapture approaches from an affinity proteomics perspective. Discussed are some of their advantages, pitfalls and opportunities for the next phase in clinical and translational proteomics.
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Affiliation(s)
- Claudia Fredolini
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Sanna Byström
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Elisa Pin
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Fredrik Edfors
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Davide Tamburro
- Department of Oncology-Pathology, Clinical Proteomics Mass Spectrometry, SciLifeLab, Karolinska Institutet, Solna, Sweden
| | - Maria Jesus Iglesias
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Anna Häggmark
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Mun-Gwan Hong
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Mathias Uhlen
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Peter Nilsson
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
| | - Jochen M Schwenk
- Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden
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