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Rhode H, Muckova P, Büchler R, Wendler S, Tautkus B, Vogel M, Moore T, Grosskreutz J, Klemm A, Nabity M. A next generation setup for pre-fractionation of non-denatured proteins reveals diverse albumin proteoforms each carrying several post-translational modifications. Sci Rep 2019; 9:11733. [PMID: 31409882 PMCID: PMC6692309 DOI: 10.1038/s41598-019-48278-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 07/29/2019] [Indexed: 02/07/2023] Open
Abstract
Proteomic biomarker search requires the greatest analytical reproducibility and detailed information on altered proteoforms. Our protein pre-fractionation applies orthogonal native chromatography and conserves important features of protein variants such as native molecular weight, charge and major glycans. Moreover, we maximized reproducibility of sample pre-fractionation and preparation before mass spectrometry by parallelization and automation. In blood plasma and cerebrospinal fluid (CSF), most proteins, including candidate biomarkers, distribute into a multitude of chromatographic clusters. Plasma albumin, for example, divides into 15-17 clusters. As an example of our technique, we analyzed these albumin clusters from healthy volunteers and from dogs and identified cluster-typical modification patterns. Renal disease further modifies these patterns. In human CSF, we found only a subset of proteoforms with fewer modifications than in plasma. We infer from this example that our method can be used to identify and characterize distinct proteoforms and, optionally, enrich them, thereby yielding the characteristics of proteoform-selective biomarkers.
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Affiliation(s)
- Heidrun Rhode
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany.
| | - Petra Muckova
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany
| | - Rita Büchler
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany.,Pharmachem Straße 1, Pharmachem Pößneck GmbH & Co. KG, 07381, Pößneck, Germany
| | - Sindy Wendler
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany.,Institute of Microbiology, Am Klinikum 1, University Hospital Jena, 07747, Jena, Germany
| | - Bärbel Tautkus
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany
| | - Michaela Vogel
- Institute of Biochemistry I, Nonnenplan 2-4, University Hospital Jena, 07740, Jena, Germany
| | - Thomas Moore
- Analytik Jena, Konrad-Zuse-Str.1, 07745, Jena, Germany
| | - Julian Grosskreutz
- Department of Neurology, Am Klinikum 1, University Hospital Jena, 07747, Jena, Germany
| | - Andree Klemm
- KfH Kuratorium für Dialyse und Nierentransplantation e.V., Ernst-Ruska-Ring 19, 07745, Jena, Germany
| | - Mary Nabity
- Department of Veterinary Pathobiology, College of Veterinary Medicine, 4467 TAMU, Texas A&M University, College Station, TX, 77843-4467, Texas, USA
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Büchler R, Wendler S, Muckova P, Großkreutz J, Rhode H. The intricacy of biomarker complexity-the identification of a genuine proteomic biomarker is more complicated than believed. Proteomics Clin Appl 2016; 10:1073-1076. [PMID: 27377180 DOI: 10.1002/prca.201600067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/22/2016] [Accepted: 06/29/2016] [Indexed: 11/10/2022]
Abstract
Several reasons have been put forward to explain the irreproducibility of proteomic biomarker search. However, these reasons pertain to almost every part of biomarker search across the entire analytical workflow but are entirely experimental or methodological. However, in this article we point out that there is a further cause of such irreproducibility. This is not an additional methodological or experimental cause but arises directly from the biology of protein expression. It arises from the fact that disease changes the diversity within protein families. This cause of irreproducibility has been very little studied in relation to proteomic biomarker search. Gene expression is highly variable even in healthy people. Therefore, multiple proteoforms are also to be expected when gene expression is disrupted by disease, proteoforms that may be differently altered by pathology. In consequence, it is illogical to expect that the whole protein family produces a reliably usable biomarker. It is more reasonable to expect that a specific proteoform fulfills this role. Appropriate sample pre-fractionation methods and data analyses could help to identify this version, carrying the modification or the epitope required.
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Affiliation(s)
- Rita Büchler
- Institute of Biochemistry I, University Hospital Jena, Jena, Germany
| | - Sindy Wendler
- Institute of Biochemistry I, University Hospital Jena, Jena, Germany
| | - Petra Muckova
- Institute of Biochemistry I, University Hospital Jena, Jena, Germany.,Clinic of Neurology, University Hospital Jena, Jena, Germany
| | | | - Heidrun Rhode
- Institute of Biochemistry I, University Hospital Jena, Jena, Germany
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3
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Schrödl W, Büchler R, Wendler S, Reinhold P, Muckova P, Reindl J, Rhode H. Acute phase proteins as promising biomarkers: Perspectives and limitations for human and veterinary medicine. Proteomics Clin Appl 2016; 10:1077-1092. [PMID: 27274000 DOI: 10.1002/prca.201600028] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 05/09/2016] [Accepted: 06/01/2016] [Indexed: 12/23/2022]
Abstract
Acute phase proteins (APPs) are highly conserved plasma proteins that are increasingly secreted by the liver in response to a variety of injuries, independently of their location and cause. APPs favor the systemic regulation of defense, coagulation, proteolysis, and tissue repair. Various APPs have been applied as general diagnostic parameters for a long time. Through proteomic techniques, more and more APPs have been discovered to be differentially altered. Since they are not consistently explainable by a stereotypic hepatic expression of sets of APPs, most of these results have unfortunately been neglected or attributed to the nonspecificity of the acute phase reaction. Moreover, it appears that various extrahepatic tissues are also able to express APPs. These extrahepatic APPs show focally specific roles in tissue homeostasis and repair and are released primarily into interstitial and distal fluids. Since these focal proteins might leak into the circulatory system, mixtures of hepatic and extrahepatic APP species can be expected in blood. Hence, a selective alteration of parts of APPs might be expected. There are several hints on multiple molecular forms and fragments of tissue-derived APPs. These differences offer the chance for multiple selective determinations. Thus, specific proteoforms might indeed serve as tissue-specific disease indicators.
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Affiliation(s)
- Wieland Schrödl
- Institute of Bacteriology and Mycology, Veterinary Faculty, University Leipzig, Germany
| | - Rita Büchler
- Institute of Biochemistry I, University Hospital Jena, Germany
| | - Sindy Wendler
- Institute of Biochemistry I, University Hospital Jena, Germany
| | - Petra Reinhold
- Institute of Molecular Pathogenesis at 'Friedrich Loeffler Institut', Federal Research Institute for Animal Health, Jena, Germany
| | - Petra Muckova
- Institute of Biochemistry I, University Hospital Jena, Germany.,Clinic of Neurology, University Hospital Jena, Germany
| | - Johanna Reindl
- Institute of Biochemistry I, University Hospital Jena, Germany
| | - Heidrun Rhode
- Institute of Biochemistry I, University Hospital Jena, Germany
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4
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Raimondo F, Cerra D, Magni F, Pitto M. Urinary proteomics for the study of genetic kidney diseases. Expert Rev Proteomics 2016; 13:309-24. [DOI: 10.1586/14789450.2016.1136218] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Muckova P, Wendler S, Rubel D, Büchler R, Alert M, Gross O, Rhode H. Preclinical Alterations in the Serum of COL(IV)A3–/– Mice as Early Biomarkers of Alport Syndrome. J Proteome Res 2015; 14:5202-14. [DOI: 10.1021/acs.jproteome.5b00814] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Petra Muckova
- Institute
of Biochemistry I, University Hospital Jena, Nonnenplan 2-4, 07740 Jena, Germany
- Clinic
of Neurology, University Hospital Jena, Erlanger Allee 101, 07740 Jena, Germany
| | - Sindy Wendler
- Institute
of Biochemistry I, University Hospital Jena, Nonnenplan 2-4, 07740 Jena, Germany
| | - Diana Rubel
- Department
of Nephrology and Rheumatology, University Medicine Göttingen, Robert-Koch Str. 40, 37075 Göttingen, Germany
| | - Rita Büchler
- Institute
of Biochemistry I, University Hospital Jena, Nonnenplan 2-4, 07740 Jena, Germany
| | - Mandy Alert
- Institute
of Biochemistry I, University Hospital Jena, Nonnenplan 2-4, 07740 Jena, Germany
| | - Oliver Gross
- Department
of Nephrology and Rheumatology, University Medicine Göttingen, Robert-Koch Str. 40, 37075 Göttingen, Germany
| | - Heidrun Rhode
- Institute
of Biochemistry I, University Hospital Jena, Nonnenplan 2-4, 07740 Jena, Germany
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Wang K, Huang C, Nice E. Recent advances in proteomics: towards the human proteome. Biomed Chromatogr 2015; 28:848-57. [PMID: 24861753 DOI: 10.1002/bmc.3157] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
After the successful completion of the Human Genome project in 2003, the next major challenge was to understand when and where the encoded proteins were expressed, and to generate a map of the complex, interconnected pathways, networks and molecular systems (the human proteome) that, taken together, control the workings of all cells, tissues, organs and organisms. Proteomics will be fundamental for such studies. This review summarizes the key discoveries that laid down the foundations for proteomics as we now know it, and describes key recent technological advances that will undoubtedly contribute to achieving the initial goal of the Human Proteome Organization of identifying and characterizing at least one protein product and representative post-translational modifications, single amino acid polymorphisms and splice variant isoforms from the 20,300 human protein-coding genes within the next 10 years. Successful unraveling of the human proteome will undoubtedly improve our understanding of human biology at the cellular level and lay the foundations for improved diagnostic, prognostic, therapeutic and preventive medical outcomes as we enter the era of personalized medicine.
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Affiliation(s)
- Kui Wang
- The State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China; Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3800, Australia
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Viennois E, Baker MT, Xiao B, Wang L, Laroui H, Merlin D. Longitudinal study of circulating protein biomarkers in inflammatory bowel disease. J Proteomics 2014; 112:166-79. [PMID: 25230104 DOI: 10.1016/j.jprot.2014.09.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 08/15/2014] [Accepted: 09/05/2014] [Indexed: 12/16/2022]
Abstract
UNLABELLED Inflammatory bowel diseases (IBDs) are chronic and progressive inflammatory disorders of the gastrointestinal tract. In IBD, protein serological biomarkers could be relevant tools for assessing disease activity, performing early-stage diagnosis and managing the treatment. Using the interleukin-10 knockout (IL-10(-/-)) mouse, a model that develops a time-dependent IBD-like disorder that predominates in the colon; we performed longitudinal studies of circulating protein biomarkers in IBD. Circulating protein profiles in serum samples collected from 30-, 93-, to 135-day-old IL-10(-/-) mice were investigated using two-dimensional differential gel electrophoresis and MALDI-TOF/TOF tandem mass spectrometry. A total of 15 different proteins were identified and confirmed by ELISA and Western blot to be differentially accumulated in serum samples from mid- to late-stage IL-10(-/-) mice compared to early non-inflamed IL-10(-/-) mice. The use of another model of colitis and an extra-intestinal inflammation model validated this biomarker panel and demonstrated that comprised some global inflammatory markers, some intestinal inflammation-specific markers and some chronic intestinal inflammation markers. Statistical analyses using misclassification error rate charts validated the use of these identified proteins as powerful biomarkers of colitis. Unlike standard biomarker screening studies, our analyses identified a panel of proteins that allowed the definition of protein signatures that reflect colitis status. BIOLOGICAL SIGNIFICANCE Crohn's disease (CD) and ulcerative colitis (UC) are the most common inflammatory bowel diseases (IBDs) occurring in humans. The major current diagnosis tool is colonoscopy, which is invasive and could lead to false diagnosis. The emergence of serological biomarkers enables the use of new diagnosis tools such as protein signatures for IBD diagnosis/management. Using 2D-DIGE coupled to mass spectrometry, our longitudinal study in a mouse model of colitis identified a signature of protein biomarkers for specific stages of disease.
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Affiliation(s)
- Emilie Viennois
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA; Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA; Veterans Affairs Medical Center, Decatur, GA, USA.
| | - Mark T Baker
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA; Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Bo Xiao
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA; Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Lixin Wang
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA; Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA; Veterans Affairs Medical Center, Decatur, GA, USA
| | - Hamed Laroui
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Didier Merlin
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA; Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA; Veterans Affairs Medical Center, Decatur, GA, USA
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Diagnosis of Alport syndrome--search for proteomic biomarkers in body fluids. Pediatr Nephrol 2013; 28:2117-23. [PMID: 23793922 DOI: 10.1007/s00467-013-2533-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Revised: 05/26/2013] [Accepted: 05/31/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND The hereditary kidney disease Alport syndrome (AS) has become a treatable disease: intervention with angiotensin-converting enzyme (ACE)-inhibitors delays end stage renal failure by years. The efficiency of ACE inhibition depends on the onset of therapy-the earlier the better. Therefore, early diagnosis has become increasingly important. To date, robust diagnosis requires renal biopsy and/or expensive genetic analysis, which is mostly performed late after onset of the profound clinical symptoms of this progressive renal disease. Thus, disease biomarkers enabling low-invasive screening are urgently required. METHODS Fourteen potential proteomic candidate markers (proteins) identified in a previous study in sera from patients exhibiting manifest AS were evaluated in the plasma, serum, and urine collected from a cohort of 132 subjects, including patients with AS and other nephropathies and healthy controls. Quantitation was performed by immunoassays. RESULTS The serum and plasma levels of none of the 14 proteins evaluated were significantly different among the three groups and therefore could not be used to discriminate between the groups. In contrast, the levels of various biomarker combinations in the urine were significantly different between AS patients and healthy controls. Importantly, some combinations had the potential to discriminate between AS and other nephropathies. CONCLUSIONS These findings open a window of opportunity for the sensitive and specific early diagnosis of AS. Our results increase the potential for larger scale evaluation of an increased number of patients.
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Colorful quality control of chromatographic sample preparation. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 934:66-70. [DOI: 10.1016/j.jchromb.2013.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 07/01/2013] [Accepted: 07/02/2013] [Indexed: 12/31/2022]
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Surin B, Sachon E, Rougier JP, Steverlynck C, Garreau C, Lelongt B, Ronco P, Piedagnel R. LG3 fragment of endorepellin is a possible biomarker of severity in IgA nephropathy. Proteomics 2012; 13:142-52. [PMID: 23161552 DOI: 10.1002/pmic.201200267] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 09/11/2012] [Accepted: 09/25/2012] [Indexed: 12/18/2022]
Abstract
IgA nephropathy (IgAN), the most common primary glomerulonephritis, is characterized by deposition of IgA in the glomerular mesangium. The diagnosis of IgAN still requires a kidney biopsy that cannot easily be repeated in the same patient during follow-up. Therefore, identification of noninvasive urinary biomarkers would be very useful for monitoring patients with IgAN. We first used bidimensional electrophoresis (2DE) coupled to MALDI-TOF-TOF and Western blot to identify some urinary biomarkers associated with IgAN. Urine of IgAN patients showed an increase of albumin fragments, α-1-antitrypsin and α-1-β-glycoprotein, along with a decrease of a single spot that was identified as the laminin G-like 3 (LG3) fragment of endorepellin. The urinary proteomes of 43 IgAN patients were compared to those of 30 healthy individuals by ELISA. Quantification of LG3 confirmed a significant decrease in the urine of IgAN patients compared to healthy controls, except in ten patients in whom LG3 was increased. These ten patients had a more severe disease with lower glomerular filtration rate values. We found a significant inverse correlation between LG3 levels and glomerular filtration rate in the 43 patients with IgAN, which was not observed in 65 patients with other glomerular diseases including membranous nephropathy (23), lupus nephropathy (13), focal segmental glomerulosclerosis (15), diabetic nephropathy (14), and six patients with nonglomerular diseases. Therefore, we suggest that the LG3 fragment of endorepellin could be associated with IgAN severity and might be related to pathogenesis of IgAN.
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Kruegel J, Rubel D, Gross O. Alport syndrome--insights from basic and clinical research. Nat Rev Nephrol 2012; 9:170-8. [PMID: 23165304 DOI: 10.1038/nrneph.2012.259] [Citation(s) in RCA: 165] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In 1927, Arthur C. Alport first published his description of a triad of symptoms in a family with hereditary congenital haemorrhagic nephritis, deafness and ocular changes. A few years after his death, this group of symptoms was renamed Alport syndrome. To this day, Alport syndrome still inevitably leads to end-stage renal disease and the need for renal replacement therapy, starting in young adulthood. During the past two decades, research into this rare disease has focused on the effects of mutations in collagen type IV and the role of changes in podocytes and the glomerular basement membrane that lead to early kidney fibrosis. Animal models of Alport syndrome also demonstrate the pathogenetic importance of interactions between podocytes and the extracellular matrix. Such models might also help researchers to answer basic questions about podocyte function and the development of fibrosis, and to develop new therapeutic approaches that might be of use in other kidney diseases. In this Review, we discuss the latest basic and clinical research on Alport syndrome, focusing on the roles of podocyte pathology and the extracellular matrix. We also highlight early diagnosis and treatment options for young patients with this disorder.
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Affiliation(s)
- Jenny Kruegel
- Department of Nephrology and Rheumatology, University Medicine Göttingen, Robert-Koch-Straße 40, 37075 Göttingen, Germany
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12
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Zhu P, Bowden P, Zhang D, Marshall JG. Mass spectrometry of peptides and proteins from human blood. MASS SPECTROMETRY REVIEWS 2011; 30:685-732. [PMID: 24737629 DOI: 10.1002/mas.20291] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 12/09/2009] [Accepted: 01/19/2010] [Indexed: 06/03/2023]
Abstract
It is difficult to convey the accelerating rate and growing importance of mass spectrometry applications to human blood proteins and peptides. Mass spectrometry can rapidly detect and identify the ionizable peptides from the proteins in a simple mixture and reveal many of their post-translational modifications. However, blood is a complex mixture that may contain many proteins first expressed in cells and tissues. The complete analysis of blood proteins is a daunting task that will rely on a wide range of disciplines from physics, chemistry, biochemistry, genetics, electromagnetic instrumentation, mathematics and computation. Therefore the comprehensive discovery and analysis of blood proteins will rank among the great technical challenges and require the cumulative sum of many of mankind's scientific achievements together. A variety of methods have been used to fractionate, analyze and identify proteins from blood, each yielding a small piece of the whole and throwing the great size of the task into sharp relief. The approaches attempted to date clearly indicate that enumerating the proteins and peptides of blood can be accomplished. There is no doubt that the mass spectrometry of blood will be crucial to the discovery and analysis of proteins, enzyme activities, and post-translational processes that underlay the mechanisms of disease. At present both discovery and quantification of proteins from blood are commonly reaching sensitivities of ∼1 ng/mL.
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Affiliation(s)
- Peihong Zhu
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario, Canada M5B 2K3
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Hallbauer J, Kreusch S, Klemm A, Wolf G, Rhode H. Long-term serum proteomes are quite similar under high- and low-flux hemodialysis treatment. Proteomics Clin Appl 2010; 4:953-61. [DOI: 10.1002/prca.201000051] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Revised: 08/11/2010] [Accepted: 09/07/2010] [Indexed: 11/06/2022]
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