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Hu C, Dai Z, Xu J, Zhao L, Xu Y, Li M, Yu J, Zhang L, Deng H, Liu L, Zhang M, Huang J, Wu L, Chen G. Proteome Profiling Identifies Serum Biomarkers in Rheumatoid Arthritis. Front Immunol 2022; 13:865425. [PMID: 35603148 PMCID: PMC9120366 DOI: 10.3389/fimmu.2022.865425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/30/2022] [Indexed: 11/16/2022] Open
Abstract
Rheumatoid arthritis (RA) causes serious disability and productivity loss, and there is an urgent need for appropriate biomarkers for diagnosis, treatment assessment, and prognosis evaluation. To identify serum markers of RA, we performed mass spectrometry (MS)-based proteomics, and we obtained 24 important markers in normal and RA patient samples using a random forest machine learning model and 11 protein–protein interaction (PPI) network topological analysis methods. Markers were reanalyzed using additional proteomics datasets, immune infiltration status, tissue specificity, subcellular localization, correlation analysis with disease activity-based diagnostic indications, and diagnostic receiver-operating characteristic analysis. We discovered that ORM1 in serum is significantly differentially expressed in normal and RA patient samples, which is positively correlated with disease activity, and is closely related to CD56dim natural killer cell, effector memory CD8+T cell, and natural killer cell in the pathological mechanism, which can be better utilized for future research on RA. This study supplies a comprehensive strategy for discovering potential serum biomarkers of RA and provides a different perspective for comprehending the pathological mechanism of RA, identifying potential therapeutic targets, and disease management.
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Affiliation(s)
- Congqi Hu
- Department of Rheumatology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhao Dai
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jia Xu
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lianyu Zhao
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanping Xu
- Baiyun Hospital of the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Meilin Li
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiahui Yu
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lu Zhang
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui Deng
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lijuan Liu
- Department of Rheumatology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Mingying Zhang
- Department of Rheumatology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiarong Huang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences (CAS), Guangzhou, China
| | - Linping Wu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences (CAS), Guangzhou, China
- *Correspondence: Linping Wu, ; Guangxing Chen,
| | - Guangxing Chen
- Department of Rheumatology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Baiyun Hospital of the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Linping Wu, ; Guangxing Chen,
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Schneider MA, Rozy A, Wrenger S, Christopoulos P, Muley T, Thomas M, Meister M, Welte T, Chorostowska-Wynimko J, Janciauskiene S. Acute Phase Proteins as Early Predictors for Immunotherapy Response in Advanced NSCLC: An Explorative Study. Front Oncol 2022; 12:772076. [PMID: 35174082 PMCID: PMC8841510 DOI: 10.3389/fonc.2022.772076] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/10/2022] [Indexed: 01/22/2023] Open
Abstract
In the last decade, targeting the immune system became a promising therapy in advanced lung cancer stages. However, in a clinical follow-up, patient responses to immune checkpoint inhibitors widely differ. Peripheral blood is a minimally invasive source of potential biomarkers to explain these differences. We blindly analyzed serum samples from 139 patients with non-small cell lung cancer prior to anti-PD-1 or anti-PD-L1 therapies to assess whether baseline levels of albumin (ALB), alpha-1 acid glycoprotein (AGP), alpha1-antitrypsin (AAT), alpha2-macroglobulin (A2M), ceruloplasmin (CP), haptoglobin (HP), alpha1-antichymotrypsin (ACT), serum amyloid A (SAA), and high-sensitivity C-reactive protein (hs-CRP), have a predictive value for immunotherapy success. Disease progression-free survival (PFS) was calculated based on RECIST 1.1 criteria. A multivariate Cox regression analysis, including serum levels of acute-phase proteins and clinical parameters, revealed that higher pre-therapeutic levels of HP and CP are independent predictors of a worse PFS. Moreover, a combined panel of HP and CP stratified patients into subgroups. We propose to test this panel as a putative biomarker for assessing the success of immunotherapy in patients with NSCLC.
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Affiliation(s)
- Marc A. Schneider
- Translational Research Unit, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
- Translational Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Adriana Rozy
- Laboratory of Molecular Diagnostics and Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
| | - Sabine Wrenger
- Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany
- Biomedical Research in End Stage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Petros Christopoulos
- Translational Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
- Department of Thoracic Oncology, Thoraxklinik at University Hospital Heidelberg, Heidelberg, Germany
| | - Thomas Muley
- Translational Research Unit, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
- Translational Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Michael Thomas
- Translational Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
- Department of Thoracic Oncology, Thoraxklinik at University Hospital Heidelberg, Heidelberg, Germany
| | - Michael Meister
- Translational Research Unit, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
- Translational Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Tobias Welte
- Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany
- Biomedical Research in End Stage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Joanna Chorostowska-Wynimko
- Laboratory of Molecular Diagnostics and Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
| | - Sabina Janciauskiene
- Laboratory of Molecular Diagnostics and Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
- Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany
- Biomedical Research in End Stage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
- *Correspondence: Sabina Janciauskiene,
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Tissue-Engineered Vascular Graft with Co-Culture of Smooth Muscle Cells and Human Endothelial Vein Cells on an Electrospun Poly(lactic-co-glycolic acid) Microtube Array Membrane. MEMBRANES 2021; 11:membranes11100732. [PMID: 34677499 PMCID: PMC8539722 DOI: 10.3390/membranes11100732] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 11/21/2022]
Abstract
Coronary artery disease is one of the major diseases that plagues today’s modern society. Conventional treatments utilize synthetic vascular grafts such as Dacron® and Teflon® in bypass graft surgery. Despite the wide adaptation, these synthetic grafts are often plagued with weaknesses such as low hemocompatibility, thrombosis, intimal hyperplasia, and risks of graft infection. More importantly, these synthetic grafts are not available at diameters of less than 6 mm. In view of these challenges, we strived to develop and adapt the electrospun Poly Lactic-co-Glycolic Acid (PLGA) Microtube Array Membrane (MTAM) vascular graft for applications smaller than 6 mm in diameter. Homogenously porous PLGA MTAMs were successfully electrospun at 5.5–8.5 kV under ambient conditions. Mechanically, the PLGA MTAMs registered a maximum tensile strength of 5.57 ± 0.85 MPa and Young’s modulus value of 1.134 ± 0.01 MPa; while MTT assay revealed that seven-day Smooth Muscle Cells (SMCs) and Human Umbilical Vein Endothelial Cells (HUVECs) registered a 6 times and 2.4 times higher cell viability when cultured in a co-culture setting in medium containing α-1 haptaglobulin. When rolled into a vascular graft, the PLGA MTAMs registered an overall degradation of 82% after 60 days of cell co-culture. After eight weeks of culturing, immunohistochemistry staining revealed the formation of a monolayer of HUVECs with tight junctions on the surface of the PLGA MTAM, and as for the SMCs housed within the lumens of the PLGA MTAMs, a monolayer with high degree of orientation was observed. The PLGA MTAM registered a burst pressure of 1092.2 ± 175.3 mmHg, which was sufficient for applications such as small diameter blood vessels. Potentially, the PLGA MTAM could be used as a suitable substrate for vascular engineering.
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Kumari M, Singh P, Singh N, Bal A, Srinivasan R, Ghosh S. Identification and characterization of non-small cell lung cancer associated sialoglycoproteins. J Proteomics 2021; 248:104336. [PMID: 34298184 DOI: 10.1016/j.jprot.2021.104336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 06/29/2021] [Accepted: 07/05/2021] [Indexed: 12/18/2022]
Abstract
Aberrantly sialylated cellular glycoconjugates were found to be involved in different processes during tumorigenesis. Such alteration was also noted in case of lung cancer, an important cause of cancer-related death throughout the world. Thus, study on lung cancer associated sialoglycoproteins is of paramount relevance to have a deeper insight into the mechanism of the disease pathogenesis. In the present study, sialic acid specific lectin (Maackia amurensis agglutinin and Sambcus nigra agglutinin)-based affinity chromatography followed by 2D-PAGE and MALDI-TOF/TOF mass spectrometric analysis were done to explore the disease-associated serum proteins of squamous cell carcinoma and adenocarcinoma [the major two subtypes of NSCLC (non-small cell lung carcinoma)] patients. Among seven identified proteins, α1-antitrypsin and haptoglobin-β were preferred for further studies. These two proteins were characterized as the disease associated serum-sialoglycoproteins of NSCLC-patients by western immunoblotting using each lectin specific inhibitor. The presence of these sialoglycoproteins was found on NSCLC cell lines (NCI-H520 & A549) by confocal microscopy. Both these proteins were also present in tissue samples of NSCLC origin and involved in proliferation, invasion and migration of NSCLC cells. Our findings suggest that α1-antitrypsin and haptoglobin-β may be the disease-associated sialoglycoproteins in NSCLC, which seem to be involved in disease progression. SIGNIFICANCE: Our contribution regarding the identification of the NSCLC associated sialoglycoproteins may provide a new vision towards the development of clinically useful newer strategies for the treatment of this disease.
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Affiliation(s)
- Munmun Kumari
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Singh
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Navneet Singh
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amanjit Bal
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Radhika Srinivasan
- Department of Cytology & Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sujata Ghosh
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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Abstract
Haptoglobin (Hp) is a blood plasma glycoprotein that binds free hemoglobin (Hb) and plays a critical role in tissue protection and the prevention of oxidative damage. In addition, it has a number of regulatory functions. Haptoglobin is an acute phase protein, its concentration in plasma changes in pathology, and the test for its concentration is part of normal clinical practice. Haptoglobin is a conservative protein synthesized mainly in the liver and lungs and is the subject of research as a potential biomarker of many diseases, including various forms of malignant neoplasms. Haptoglobin has several unique biophysical characteristics. Only in humans, the Hp gene is polymorphic, has three structural alleles that control the synthesis of three major phenotypes of Hp, homozygous Hp1-1 and Hp2-2, and heterozygous Hp2-1, determined by a combination of allelic variants that are inherited. Numerous studies indicate that the phenotype of haptoglobin can be used to judge the individual's predisposition to various diseases. In addition, Hp undergoes various post-translational modifications (PTMs). These are structural transformations (removal of the signal peptide, cutting of the Pre-Hp precursor molecule into two subunits, α and β, limited proteolysis of α-chains, formation of disulfide bonds, multimerization), as well as chemical modifications of α-chains and glycosylation of the β-chain. Glycosylation of the β-chain of haptoglobin at four Asn sites is the most important variable PTM that regulates the structure and function of the glycoprotein. The study of modified oligosaccharides of the Hp β-chain has become the main direction in the study of pathological processes, including malignant neoplasms. Many studies are focused on the identification of PTM and changes in the level of the α2-chain of this protein in pathology. These characteristics of Hp indicate the possibility of the existence of this protein as different proteoforms, probably with different functions. This review is devoted to the description of the structural and functional diversity of Hp and its potential use as a biomarker of various pathologies.
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Affiliation(s)
- S N Naryzhny
- Institute of Biomedical Chemistry, Moscow, Russia; Petersburg Institute of Nuclear Physics B.P. Konstantinova National Research Center "Kurchatov Institute", Gatchina, Russia
| | - O K Legina
- Petersburg Institute of Nuclear Physics B.P. Konstantinova National Research Center "Kurchatov Institute", Gatchina, Russia
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Chmielińska M, Olesińska M, Romanowska-Próchnicka K, Szukiewicz D. Haptoglobin and Its Related Protein, Zonulin-What Is Their Role in Spondyloarthropathy? J Clin Med 2021; 10:jcm10051131. [PMID: 33800376 PMCID: PMC7962838 DOI: 10.3390/jcm10051131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 11/16/2022] Open
Abstract
Haptoglobin (Hp) is an acute phase protein which supports the immune response and protects tissues from free radicals. Its concentration correlates with disease activity in spondyloarthropathies (SpAs). The Hp polymorphism determines the functional differences between Hp1 and Hp2 protein products. The role of the Hp polymorphism has been demonstrated in many diseases. In particular, the Hp 2-2 phenotype has been associated with the unfavorable course of some inflammatory and autoimmune disorders. Its potential role in modulating the immune system in SpA is still unknown. This article contains pathophysiological considerations on the potential relationship between Hp, its polymorphism and SpA.
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Affiliation(s)
- Magdalena Chmielińska
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland; (K.R.-P.); (D.S.)
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland;
- Correspondence:
| | - Marzena Olesińska
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland;
| | - Katarzyna Romanowska-Próchnicka
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland; (K.R.-P.); (D.S.)
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland;
| | - Dariusz Szukiewicz
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland; (K.R.-P.); (D.S.)
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7
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Naryzny SN, Legina OK. Haptoglobin as a Biomarker. BIOCHEMISTRY (MOSCOW) SUPPLEMENT. SERIES B, BIOMEDICAL CHEMISTRY 2021; 15:184-198. [PMID: 34422226 PMCID: PMC8365284 DOI: 10.1134/s1990750821030069] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/05/2021] [Accepted: 03/05/2021] [Indexed: 12/13/2022]
Abstract
Haptoglobin (Hp) is a glycoprotein that binds free hemoglobin (Hb) in plasma and plays a critical role in tissue protection and prevention of oxidative damage. Besides, it has some regulatory functions. Haptoglobin is an acute-phase protein, its concentration in plasma changes in pathology, and the test for its concentration is part of normal clinical practice. Haptoglobin is a conservative protein synthesized mainly in the liver and lungs and is the subject of research as a potential biomarker of many diseases, including various forms of malignant neoplasms. Haptoglobin has several unique biophysical characteristics. The human Нр gene is polymorphic, has three structural alleles that control the synthesis of three major phenotypes of haptoglobin: homozygous Нр1-1 and Нр2-2, and heterozygous Нр2-1, determined by a combination of allelic variants that are inherited. Numerous studies indicate that the phenotype of haptoglobin can be used to judge the individual predisposition of a person to various diseases. In addition, Hp undergoes various post-translational modifications (PTMs). These are structural transformations (removal of the signal peptide, cutting off the Pre-Hp precursor molecule into two subunits, α and β, limited proteolysis of α-chains, formation of disulfide bonds, multimerization), as well as chemical modifications of α-chains and glycosylation of the β-chain. Glycosylation of the β-chain of haptoglobin at four Asn sites is the most important variable PTM that regulates the structure and function of the glycoprotein. The study of modified oligosaccharides of the β-chain of Hp has become the main direction in the study of pathological processes, including malignant neoplasms. These characteristics indicate the possibility of the existence of Hp in the form of a multitude of proteoforms, probably performing different functions. This review is devoted to the description of the structural and functional diversity and the potential use of Hp as a biomarker of various pathologies.
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Affiliation(s)
- S. N. Naryzny
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, 119121 Moscow, Russia ,St-Petersburg Nuclear Physics Institute (PNPI) NRC Kurchatov Institute, Orlova Roshcha 1, 188300 Gatchina, Leningrad oblast Russia
| | - O. K. Legina
- St-Petersburg Nuclear Physics Institute (PNPI) NRC Kurchatov Institute, Orlova Roshcha 1, 188300 Gatchina, Leningrad oblast Russia
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Wu X, You W, Wu Z, Ye F, Chen S. Serum biomarker analysis at the protein level on pulmonary hypertension secondary to old anterior myocardial infarction. Pulm Circ 2020; 10:2045894020969079. [PMID: 33282196 PMCID: PMC7691928 DOI: 10.1177/2045894020969079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/06/2020] [Indexed: 01/06/2023] Open
Abstract
Pulmonary hypertension (PH) related to old anterior myocardial infarction (OAMI)
always accompanies a bad prognosis, and thus, we aimed to screen serum
biomarkers related to PH in OAMI patients. According to right ventricular
systolic pressure, we divided mice into sham, OAMI, and PH-OAMI groups and
evaluated body, heart and lung weight, heart function, pulmonary blood flow
velocity, cardiac fibrotic area, and pulmonary arteriole condition. Lung and
serum were under the proteomic analysis. Levels of three identified proteins
were measured. Compared with sham and OAMI mice, PH-OAMI mice showed heart
dysfunction, low pulmonary blood flow, high right ventricular systolic pressure,
heavy heart and lung weight, large cardiac fibrotic area, and pathological
pulmonary arteriole remodeling (P<0.05 or
P<0.01). Haptoglobin, annexin A5, and Ig mu chain C region
of lung and serum were changed significantly in PH-OAMI mice
(P<0.01). Then, we collected serum and clinical data,
measured three serum protein levels, and performed multivariate regression and
receiver operating characteristic curve in patients (normal, OAMI, and PH-OAMI
groups). Compared with normal and OAMI patients, serum levels of three proteins
in PH-OAMI patients were also altered notably (P<0.01).
These three proteins can predict PH in OAMI patients
(P<0.01). Receiver operating characteristic curve analysis
revealed haptoglobin (cut-off value: 78.295, sensitivity: 62.8%, specificity:
94.4%), annexin A5 (cut-off value: 151.925, sensitivity: 41.9%, specificity:
82.4%), and Ig mu chain C region (cut-off value: 168.885, sensitivity: 86.0%,
specificity: 79.6%) (P<0.01). Three circulating serum
proteins can be useful for the categorization of OAMI patients with and without
PH.
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Affiliation(s)
- Xiangqi Wu
- Division of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Wei You
- Division of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Zhiming Wu
- Division of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Fei Ye
- Division of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Shaoliang Chen
- Division of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
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Li S, Lee C, Hsu C, Huang H, Su Y. IL‐6 induces haptoglobin expression through activating STAT3 in human head and neck cancer. J Oral Pathol Med 2019; 49:49-54. [DOI: 10.1111/jop.12958] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/27/2019] [Accepted: 08/16/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Szu‐Chin Li
- Division of Hematology–Oncology Department of Internal Medicine Buddhist Dalin Tzu Chi General Hospital Chiayi Taiwan
- School of Medicine Tzu Chi University Hualian Taiwan
- Department of Life Science Institute of Molecular Biology National Chung Cheng University Chiayi Taiwan
| | - Ching‐Chih Lee
- Department of Otolaryngology, Head and Neck Surgery Kaohsiung Veterans General Hospital Kaohsiung Taiwan
- Institute of Hospital and Health Care Administration National Yang‐Ming University Taipei Taiwan
- School of Medicine National Yang‐Ming University Taipei Taiwan
| | - Chin‐Mu Hsu
- Division of Hematology and Oncology Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Taiwan
| | - Hsien‐Bin Huang
- Department of Life Science Institute of Molecular Biology National Chung Cheng University Chiayi Taiwan
| | - Yu‐Chieh Su
- Division of Hematology and Oncology Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Taiwan
- Faculty of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
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10
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Oh MK, Kim IS. Involvement of placental growth factor upregulated via TGF-β1-ALK1-Smad1/5 signaling in prohaptoglobin-induced angiogenesis. PLoS One 2019; 14:e0216289. [PMID: 31034502 PMCID: PMC6488081 DOI: 10.1371/journal.pone.0216289] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 04/17/2019] [Indexed: 12/16/2022] Open
Abstract
A potential role of haptoglobin in arterial restructuring has been suggested, and our previous study demonstrated that prohaptoglobin, the precursor of haptoglobin, stimulates endothelial angiogenesis. However, the mechanisms underlying the angiogenic effects of prohaptoglobin are still unclear. Here, we investigated angiogenic signaling induced by prohaptoglobin using human umbilical vein endothelial cells. Prohaptoglobin upregulated the expression of placental growth factor (PlGF), vascular endothelial growth factor (VEGF)-A, and VEGF receptor 1 and 2, and also induced cell migration and tube network formation. PlGF knockdown attenuated these angiogenic effects of prohaptoglobin. Furthermore, a transcription factor profiling assay indicated that Smad is involved in PlGF expression in response to prohaptoglobin. Transforming growth factor-β1 (TGF-β1) expression and Smad1/5 phosphorylation were also induced by prohaptoglobin treatment. Blockade of TGF-β1 signaling using the TGF-β receptor kinase inhibitor LY2109761 or Smad1/5 siRNA reduced the prohaptoglobin-induced PlGF expression and in vitro tube formation. Knockdown of the TGF-β receptor ALK1, but not ALK5, with a specific siRNA blocked the Smad1/5 phosphorylation and PlGF expression induced by prohaptoglobin. These findings suggest that the angiogenic effects of prohaptoglobin are dependent on PlGF and mediated via a TGF-β1-ALK1-Smad1/5–PlGF/VEGFR1–VEGF-A/VEGFR2 signaling pathway.
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Affiliation(s)
- Mi-Kyung Oh
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - In-Sook Kim
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- * E-mail:
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11
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Leclerc JL, Li C, Jean S, Lampert AS, Amador CL, Diller MA, Tolosano E, Doré S. Temporal and age-dependent effects of haptoglobin deletion on intracerebral hemorrhage-induced brain damage and neurobehavioral outcomes. Exp Neurol 2019; 317:22-33. [PMID: 30790555 DOI: 10.1016/j.expneurol.2019.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 01/01/2019] [Accepted: 01/17/2019] [Indexed: 12/14/2022]
Abstract
Intracerebral hemorrhage (ICH) is a devastating stroke subtype and the presence of extracorpuscular hemoglobin (Hb) exacerbates brain damage. Haptoglobin (Hp) binds Hb, which prevents its oxidation and participation in neurotoxic reactions. Multiple studies have investigated the role of Hp under conditions of intravascular hemolysis, but little is known about its role in the brain and following ICH where extravascular hemolysis is rampant. Young and aged wildtype and Hp-/- mice underwent the autologous blood or collagenase ICH model. Early after ICH, Hp-/- mice display 58.0 ± 5.6% and 36.7 ± 6.9% less brain damage in the autologous blood and collagenase ICH models, respectively. In line with these findings, Hp-/- mice display less neurological deficits on several neurobehavioral tests. Hp-/- mice have less Perl's iron content, HO1 expression, and blood brain barrier dysfunction, but no difference in brain Hb content, astrogliosis and angiogenesis/neovascularization. At the later endpoint, the young cohort displays 27.8 ± 9.3% less brain damage, while no difference is seen with the aged cohort. For both cohorts, no differences are seen in HO1 levels or iron accumulation, but young Hp-/- mice display less thalamic astrogliosis and striatal microgliosis. This study reveals that the presence or absence of Hp exerts important time- and age-dependent influences on ICH outcomes.
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Affiliation(s)
- Jenna L Leclerc
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America; Department of Neuroscience, Center for Translational Research in Neurodegenerative Disease, McKnight Brain Institute, University of Florida, Gainesville, FL, United States of America
| | - Chris Li
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America
| | - Stacy Jean
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America
| | - Andrew S Lampert
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America
| | - Claudia Loyola Amador
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America
| | - Matthew A Diller
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America
| | - Emanuela Tolosano
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Sylvain Doré
- Department of Anesthesiology, University of Florida, Gainesville, FL, United States of America; Department of Neuroscience, Center for Translational Research in Neurodegenerative Disease, McKnight Brain Institute, University of Florida, Gainesville, FL, United States of America; Departments of Neurology, Psychiatry, and Pharmaceutics, University of Florida, Gainesville, FL, United States of America.
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12
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Yaprak E, Kasap M, Akpinar G, Islek EE, Sinanoglu A. Abundant proteins in platelet-rich fibrin and their potential contribution to wound healing: An explorative proteomics study and review of the literature. J Dent Sci 2018; 13:386-395. [PMID: 30895150 PMCID: PMC6388803 DOI: 10.1016/j.jds.2018.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 07/01/2018] [Indexed: 01/12/2023] Open
Abstract
Background/purpose It is well-known that diverse types of blood proteins contribute to healing process via different mechanisms. Presence and potential involvements of blood-derived abundant proteins in the platelet-rich fibrin (PRF) to its regenerative capacity have not been sufficiently emphasized in the literature. The aim of this paper was to analyze the abundant proteome content of PRF and summarize previously reported effects of identified proteins on wound healing via a literature review. Materials and methods The PRF samples obtained from non-smoking, systemically healthy volunteers were subjected to 2D gel electrophoresis after extracting the proteins from fibrin matrices. All matching spots were excised from the gels and identified by MALDI TOF/TOF MS/MS analysis. A literature review was conducted to reveal possible contributions of identified proteins to wound healing. Results Totally, thirty-five blood proteins were commonly identified among all studied samples. These proteins included serine protease inhibitors, such as alpha-1-antitrypsin, alpha-1-antichymotrypsin, alpha-1-acid glycoprotein, inter-alpha-trypsin-inhibitor, protease C1 inhibitor, and complement proteins. In addition, abundant presence of immunoglobulin G was observed. The abundance of albumin, haptoglobin, ceruloplasmin vitronectin, fetuin-A, ficolin-3 and transthyretin was also detected. Conclusion The results of this study indicated that PRF abundantly contains blood-origin actors which were previously reported for their direct contribution to wound healing. Further studies exploring the protein content of PRF are needed to reveal its undisclosed potential roles in the healing process.
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Affiliation(s)
- Emre Yaprak
- Kocaeli University, Faculty of Dentistry, Department of Periodontology, Kocaeli, Turkey
- Corresponding author. Kocaeli University, Faulty of Dentistry, Department of Periodontology, Yuvacik, Basiskele, Kocaeli, Turkey. Fax: +90 2623442109.
| | - Murat Kasap
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Gurler Akpinar
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Eylul Ece Islek
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Alper Sinanoglu
- Kocaeli University, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology, Oral Diagnosis Clinic, Kocaeli, Turkey
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Maes M, Carvalho AF. The Compensatory Immune-Regulatory Reflex System (CIRS) in Depression and Bipolar Disorder. Mol Neurobiol 2018; 55:8885-8903. [DOI: 10.1007/s12035-018-1016-x] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 03/16/2018] [Indexed: 12/11/2022]
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Li W, Zheng H, Qin H, Liu G, Ke L, Li Y, Li N, Zhong X. Exploration of differentially expressed plasma proteins in patients with lung adenocarcinoma using iTRAQ-coupled 2D LC-MS/MS. CLINICAL RESPIRATORY JOURNAL 2018; 12:2036-2045. [PMID: 29363881 DOI: 10.1111/crj.12771] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 11/15/2017] [Accepted: 01/09/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND Lung adenocarcinoma is characterized by early asymptomatic progression and metastasis. Appearance of respiratory symptoms usually means the disease is aggravated. The aim of this study was to identify the protein profile in plasma of lung adenocarcinoma of stages I-IV, and look for novel diagnostic biomarkers. METHODS Isobaric tags for relative and absolute quantification (iTRAQ) coupled with two dimensional liquid chromatography - tandem mass spectrometry technology (2D LC-MS/MS) was applied to separate and identify differential expression of proteins in plasma specimens from 10 healthy individuals, 10 patients with pneumonia, 7 patients with lung adenocarcinoma of stages I-II, respectively, and 10 patients with lung adenocarcinoma of stages III-IV, then analyze the functions of the differential expression of proteins by bioinformatics. RESULTS ADAMTS-like protein 4, Fibrinogen-like protein 1 precursor, secretoglobin family 3A member 2 and haptoglobin were up-regulated in patients with lung adenocarcinoma by proteomics analysis, and the expression levels of SCGB3A2 and Hp by ELISA were consistent. Pathway analysis of identified differential expression of proteins showed they were mainly involved in chemokine/p53/TGF-beta signaling pathway. CONCLUSIONS Plasma SCGB3A2 is a potential maker for diagnosis of primary pulmonary adenocarcinoma. Abnormal post-translational protein modification may be associated with the progression of lung cancer.
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Affiliation(s)
- Wentao Li
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Houwen Zheng
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Huichan Qin
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Guangnan Liu
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Lan Ke
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Yu Li
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Na Li
- Department of Respiratory Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Xiaoning Zhong
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
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Establishment of an antibody specific for cancer-associated haptoglobin: a possible implication of clinical investigation. Oncotarget 2018; 9:12732-12744. [PMID: 29560105 PMCID: PMC5849169 DOI: 10.18632/oncotarget.24332] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 01/20/2018] [Indexed: 12/13/2022] Open
Abstract
We previously found that the serum level of fucosylated haptoglobin (Fuc-Hpt) was significantly increased in pancreatic cancer patients. To delineate the mechanism underlying this increase and develop a simple detection method, we set out to generate a monoclonal antibody (mAb) specific for Fuc-Hpt. After multiple screenings by enzyme-linked immunosorbent assay (ELISA), a 10-7G mAb was identified as being highly specific for Fuc-Hpt generated in a cell line as well as for Hpt derived from a pancreatic cancer patient. As a result from affinity chromatography with 10-7G mAb, followed by lectin blot and mass spectrometry analyses, it was found that 10-7G mAb predominantly recognized both Fuc-Hpt and prohaptoglobin (proHpt), which was also fucosylated. In immunohistochemical analyses, hepatocytes surrounding metastasized cancer cells were stained by the 10-7G mAb, but neither the original cancer cells themselves nor normal hepatocytes exhibited positive staining, suggesting that metastasized cancer cells promote Fuc-Hpt production in adjacent hepatocytes. Serum level of Fuc-Hpt determined with newly developed ELISA system using the 10-7G mAb, was increased in patients of pancreatic and colorectal cancer. Interestingly, dramatic increases in Fuc-Hpt levels were observed at the stage IV of colorectal cancer. These results indicate that the 10-7G mAb developed is a promising antibody which recognizes Fuc-Hpt and could be a useful diagnostic tool for detecting liver metastasis of cancer.
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Lee CC, Lin HY, Hung SK, Li DK, Ho HC, Lee MS, Tung YT, Chou P, Su YC. Haptoglobin Genotypes in Nasopharyngeal Carcinoma. Int J Biol Markers 2018. [DOI: 10.1177/172460080902400105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aim Haptoglobin polymorphisms are associated with different cancers; however, the occurrence of nasopharyngeal carcinoma (NPC) in relation to haptoglobin polymorphisms has not been reported. In this study, the distribution of haptoglobin genotypes among patients with NPC was investigated and the prognostic significance of haptoglobin genotypes was further analyzed. Material and methods Haptoglobin genotypes were analyzed using polymerase chain reaction and electrophoresis. The genotypes were determined in the sera of 49 NPC patients and in 134 controls. Results The haptoglobin genotypes of patients with NPC were as follows: Hp 1–1, 2%; Hp 2–1, 39%; Hp 2–2, 59%. The frequency of the Hp 2–2 genotype was much higher in NPC patients than in control individuals (p=0.044). Furthermore, NPC patients with the Hp 2–2 genotype had advanced T stages (p=0.001) and larger primary tumor volumes (p=0.035) than those with Hp 2–1 or 1–1. Conclusion An increased frequency of the Hp 2–2 genotype was associated with NPC. The Hp 2 allele was also overexpressed in NPC patients. NPC patients with the Hp 2–2 genotype had advanced T stage and a larger primary tumor volume. Hp 2–2 may be a negative prognostic factor in NPC.
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Affiliation(s)
- Ching-Chih Lee
- Community Medicine Research Center and Institute of Public Health, National Yang-Ming University, Taipei
- Department of Otolaryngology
| | - Hon-Yi Lin
- Department of Radiation Oncology
- School of Medicine, Tzu Chi University, Hualian - Taiwan
| | - Shih-Kai Hung
- Department of Radiation Oncology
- School of Medicine, Tzu Chi University, Hualian - Taiwan
| | - Dian-Kun Li
- Division of Hematolgy-Oncology, Department of Internal Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi
- School of Medicine, Tzu Chi University, Hualian - Taiwan
| | - Hsu-Chueh Ho
- Department of Otolaryngology
- School of Medicine, Tzu Chi University, Hualian - Taiwan
| | - Moon-Sing Lee
- Department of Radiation Oncology
- School of Medicine, Tzu Chi University, Hualian - Taiwan
| | - Ya-Ting Tung
- Division of Hematolgy-Oncology, Department of Internal Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi
| | - Pesus Chou
- Community Medicine Research Center and Institute of Public Health, National Yang-Ming University, Taipei
| | - Yu-Chieh Su
- Division of Hematolgy-Oncology, Department of Internal Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi
- School of Medicine, Tzu Chi University, Hualian - Taiwan
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17
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Connor DE, Chaitanya GV, Chittiboina P, McCarthy P, Scott LK, Schrott L, Minagar A, Nanda A, Alexander JS. Variations in the cerebrospinal fluid proteome following traumatic brain injury and subarachnoid hemorrhage. PATHOPHYSIOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY FOR PATHOPHYSIOLOGY 2017; 24:169-183. [PMID: 28549769 PMCID: PMC7303909 DOI: 10.1016/j.pathophys.2017.04.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 04/06/2017] [Accepted: 04/28/2017] [Indexed: 12/19/2022]
Abstract
BACKGROUND Proteomic analysis of cerebrospinal fluid (CSF) has shown great promise in identifying potential markers of injury in neurodegenerative diseases [1-13]. Here we compared CSF proteomes in healthy individuals, with patients diagnosed with traumatic brain injury (TBI) and subarachnoid hemorrhage (SAH) in order to characterize molecular biomarkers which might identify these different clinical states and describe different molecular mechanisms active in each disease state. METHODS Patients presenting to the Neurosurgery service at the Louisiana State University Hospital-Shreveport with an admitting diagnosis of TBI or SAH were prospectively enrolled. Patients undergoing CSF sampling for diagnostic procedures were also enrolled as controls. CSF aliquots were subjected to 2-dimensional gel electrophoresis (2D GE) and spot percentage densities analyzed. Increased or decreased spot expression (compared to controls) was defined in terms of in spot percentages, with spots showing consistent expression change across TBI or SAH specimens being followed up by Matrix-Assisted Laser Desorption/Ionization mass spectrometry (MALDI-MS). Polypeptide masses generated were matched to known standards using a search of the NCBI and/or GenPept databases for protein matches. Eight hundred fifteen separately identifiable polypeptide migration spots were identified on 2D GE gels. MALDI-MS successfully identified 13 of 22 selected 2D GE spots as recognizable polypeptides. RESULTS Statistically significant changes were noted in the expression of fibrinogen, carbonic anhydrase-I (CA-I), peroxiredoxin-2 (Prx-2), both α and β chains of hemoglobin, serotransferrin (Tf) and N-terminal haptoglobin (Hp) in TBI and SAH specimens, as compared to controls. The greatest mean fold change among all specimens was seen in CA-I and Hp at 30.7 and -25.7, respectively. TBI specimens trended toward greater mean increases in CA-I and Prx-2 and greater mean decreases in Hp and Tf. CONCLUSIONS Consistent CSF elevation of CA-I and Prx-2 with concurrent depletion of Hp and Tf may represent a useful combination of biomarkers for the prediction of severity and prognosis following brain injury.
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Affiliation(s)
- David E Connor
- Baptist Health Neurosurgery Arkansas, Little Rock, AR, United States.
| | - Ganta V Chaitanya
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States.
| | - Prashant Chittiboina
- Surgical Neurology Branch, National Institute of Neurological Diseases and Stroke, Bethesda, MD, United States.
| | - Paul McCarthy
- Department of Medicine, Sect. of Nephrology, University of Maryland, Baltimore, MD, United States.
| | - L Keith Scott
- Department of Critical Care Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
| | - Lisa Schrott
- Department of Pharmacology, Toxicology and Neuroscience, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
| | - Alireza Minagar
- Department of Neurology, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
| | - Anil Nanda
- Department of Neurosurgery, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
| | - J Steven Alexander
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
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Maffei M, Barone I, Scabia G, Santini F. The Multifaceted Haptoglobin in the Context of Adipose Tissue and Metabolism. Endocr Rev 2016; 37:403-16. [PMID: 27337111 DOI: 10.1210/er.2016-1009] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Obesity is a low chronic inflammatory state because several inflammatory factors are increased in obese subjects, this having important implications for the onset of obesity-associated complications. The source of most of these inflammatory molecules is white adipose tissue (WAT), which upon excessive weight gain, becomes infiltrated with macrophages and lymphocytes and undergoes important changes in its gene expression. Haptoglobin (Hp), a typical marker of inflammation in clinical practice, main carrier of free hemoglobin, and long known to be part of the hepatic acute phase response, perfectly sits in the intersection between obesity and inflammation: it is expressed by adipocytes and its abundance in WAT and in plasma positively relates to the degree of adiposity. In the present review, we will analyze causes and consequences of Hp expression and regulation in WAT and how these relate to the obesity/inflammation paradigm and comorbidities.
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Affiliation(s)
- Margherita Maffei
- Institute of Clinical Physiology (M.M.), Italian National Research Council, 56124 Pisa, Italy; Laboratory of Neurobiology (I.B.), Scuola Normale Superiore, 56100 Pisa, Italy; and Obesity Center at the Endocrinology Unit (M.M., I.B., G.S., F.S.), Pisa University-Hospital Department of Clinical and Experimental Medicine, 56124 Pisa, Italy
| | - Ilaria Barone
- Institute of Clinical Physiology (M.M.), Italian National Research Council, 56124 Pisa, Italy; Laboratory of Neurobiology (I.B.), Scuola Normale Superiore, 56100 Pisa, Italy; and Obesity Center at the Endocrinology Unit (M.M., I.B., G.S., F.S.), Pisa University-Hospital Department of Clinical and Experimental Medicine, 56124 Pisa, Italy
| | - Gaia Scabia
- Institute of Clinical Physiology (M.M.), Italian National Research Council, 56124 Pisa, Italy; Laboratory of Neurobiology (I.B.), Scuola Normale Superiore, 56100 Pisa, Italy; and Obesity Center at the Endocrinology Unit (M.M., I.B., G.S., F.S.), Pisa University-Hospital Department of Clinical and Experimental Medicine, 56124 Pisa, Italy
| | - Ferruccio Santini
- Institute of Clinical Physiology (M.M.), Italian National Research Council, 56124 Pisa, Italy; Laboratory of Neurobiology (I.B.), Scuola Normale Superiore, 56100 Pisa, Italy; and Obesity Center at the Endocrinology Unit (M.M., I.B., G.S., F.S.), Pisa University-Hospital Department of Clinical and Experimental Medicine, 56124 Pisa, Italy
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Zang T, Broszczak DA, Broadbent JA, Cuttle L, Lu H, Parker TJ. The biochemistry of blister fluid from pediatric burn injuries: proteomics and metabolomics aspects. Expert Rev Proteomics 2015; 13:35-53. [PMID: 26581649 DOI: 10.1586/14789450.2016.1122528] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Burn injury is a prevalent and traumatic event for pediatric patients. At present, the diagnosis of burn injury severity is subjective and lacks a clinically relevant quantitative measure. This is due in part to a lack of knowledge surrounding the biochemistry of burn injuries and that of blister fluid. A more complete understanding of the blister fluid biochemistry may open new avenues for diagnostic and prognostic development. Burn insult induces a highly complex network of signaling processes and numerous changes within various biochemical systems, which can ultimately be examined using proteome and metabolome measurements. This review reports on the current understanding of burn wound biochemistry and outlines a technical approach for 'omics' profiling of blister fluid from burn wounds of differing severity.
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Affiliation(s)
- Tuo Zang
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia.,c Wound Management Innovation Co-operative Research Centre , West End , Australia
| | - Daniel A Broszczak
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia.,c Wound Management Innovation Co-operative Research Centre , West End , Australia
| | - James A Broadbent
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia.,c Wound Management Innovation Co-operative Research Centre , West End , Australia
| | - Leila Cuttle
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia.,d Centre for Children's Burns and Trauma Research , Queensland University of Technology, Institute of Health and Biomedical Innovation at the Centre for Children's Health Research , South Brisbane , Australia
| | - Haitao Lu
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia
| | - Tony J Parker
- a Tissue Repair and Regeneration Program , Institute of Health and Biomedical Innovation , Kelvin Grove , Australia.,b School of Biomedical Sciences , Queensland University of Technology , Brisbane , Australia
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20
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Zhang X, Wang K, Yang Q, Wang J, Xuan C, Liu XC, Liu ZG, He GW. Acute phase proteins altered in the plasma of patients with congenital ventricular septal defect. Proteomics Clin Appl 2015; 9:1087-96. [PMID: 25914298 DOI: 10.1002/prca.201400166] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 03/20/2015] [Accepted: 04/23/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Xi Zhang
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
| | - Kai Wang
- Department of Cardiovascular Surgery; Tianjin First Center Hospital; Tianjin China
| | - Qin Yang
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
- Department of Medicine and Therapeutics; The Chinese University of Hong Kong; Hong Kong China
| | - Jun Wang
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
| | - Chao Xuan
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
| | - Xiao-Cheng Liu
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
| | - Zhi-Gang Liu
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
| | - Guo-Wei He
- TEDA International Cardiovascular Hospital; Tianjin and The Affiliated Hospital of Hangzhou Normal University and Zhejiang University; Hangzhou China
- Department of Surgery; Oregon Health and Science University; Portland Oregon USA
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Garibay-Cerdenares OL, Hernández-Ramírez VI, Osorio-Trujillo JC, Gallardo-Rincón D, Talamás-Rohana P. Haptoglobin and CCR2 receptor expression in ovarian cancer cells that were exposed to ascitic fluid: exploring a new role of haptoglobin in the tumoral microenvironment. Cell Adh Migr 2015. [PMID: 26211665 PMCID: PMC4955374 DOI: 10.1080/19336918.2015.1035504] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Haptoglobin (Hp) is an acute-phase protein that is produced by the liver to capture the iron that is present in the blood circulation, thus avoiding its accumulation in the blood. Moreover, Hp has been detected in a wide variety of tissues, in which it performs various functions. In addition, this protein is considered a potential biomarker in many diseases, such as cancer, including ovarian carcinoma; however, its participation in the cancerous processes has not yet been determined. The objective of this work was to demonstrate the expression of Hp and its receptor CCR2 in the ovarian cancer cells and its possible involvement in the process of cell migration through changes in the rearrangement of the actin cytoskeleton using western blot and wound-healing assays and confirming by confocal microscopy. Ovarian cancer cells express both Hp and its receptor CCR2 but only after exposure to ascitic fluid, inducing moderated cell migration. However, when the cells are exposed to exogenous Hp, the expression of CCR2 is induced together with drastic changes in the actin cytoskeleton rearrangement. At the same time, Hp induced cell migration in a much more efficient manner than did ascitic fluid. These effects were blocked when the CCR2 synthetic antagonist RS102895 was used to pretreat the cells. These results suggest that Hp-induced changes in the cell morphology, actin cytoskeleton structure, and migration ability of tumor cells, is possibly “preparing” these cells for the potential induction of the metastatic phenotype.
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Affiliation(s)
- O L Garibay-Cerdenares
- a Departamento de Infectómica y Patogénesis Molecular , CINVESTAV, IPN.,c Present address: Unidad Académica de Ciencias Químico Biológicas; Universidad Autónoma de Guerrero (Cátedra CONACYT)
| | | | | | - D Gallardo-Rincón
- b Departamento de Oncología Médica ; Instituto Nacional de Cancerología , México, D.F
| | - P Talamás-Rohana
- a Departamento de Infectómica y Patogénesis Molecular , CINVESTAV, IPN
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Kuo HK, Chen YH, Huang F, Wu YC, Shiea J, Wu PC. The upregulation of zinc finger protein 670 and prostaglandin D2 synthase in proliferative vitreoretinopathy. Graefes Arch Clin Exp Ophthalmol 2015; 254:205-13. [DOI: 10.1007/s00417-015-3022-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 04/07/2015] [Accepted: 04/09/2015] [Indexed: 01/13/2023] Open
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Oh MK, Park HJ, Lee JH, Bae HM, Kim IS. Single chain precursor prohaptoglobin promotes angiogenesis by upregulating expression of vascular endothelial growth factor (VEGF) and VEGF receptor2. FEBS Lett 2015; 589:1009-17. [PMID: 25775978 DOI: 10.1016/j.febslet.2015.03.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 02/27/2015] [Accepted: 03/03/2015] [Indexed: 01/26/2023]
Abstract
Prohaptoglobin (proHp) is processed into mature haptoglobin via site-specific cleavage. Although haptoglobin has been well studied, the functions of proHp remain unclear. We investigated the angiogenic action of proHp in endothelial cells, demonstrating that proHp upregulated vascular endothelial growth factor (VEGF) and VEGF receptor 2 (VEGFR2) expression and endothelial sprouting and branching. ProHp-induced sprouting was attenuated by a VEGFR2 inhibitor. Moreover, proHp was detected in sera of cancer patients by immunoprecipitation and Western blot. These findings indicate that proHp promotes angiogenesis via VEGF/VEGFR2 signalling, and serum proHp level may be a useful biomarker for diseases associated with angiogenesis.
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Affiliation(s)
- Mi-Kyung Oh
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea
| | - Hyo-Jung Park
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea
| | - Joo-Hyun Lee
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea
| | - Hyun-Mi Bae
- Department of Internal Medicine, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon 403-720, Republic of Korea
| | - In-Sook Kim
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea.
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Comparative proteomic study reveals the molecular aspects of delayed ocular symptoms induced by sulfur mustard. INTERNATIONAL JOURNAL OF PROTEOMICS 2015; 2015:659241. [PMID: 25685557 PMCID: PMC4320800 DOI: 10.1155/2015/659241] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 12/10/2014] [Indexed: 12/18/2022]
Abstract
Objective. Sulfur mustard (SM) is a highly reactive alkylating agent which produces ocular, respiratory, and skin damages. Eyes are the most sensitive organ to SM due to high intrinsic metabolic and rapid turnover rate of corneal epithelium and aqueous-mucous interfaces of the cornea and conjunctiva. Here we investigate underlying molecular mechanism of SM exposure delayed effects which is still a controversial issue after about 30 years. Materials and Methods. Following ethical approval, we have analyzed serum proteome of ten severe SM exposed male patients with delayed eye symptoms with two-dimensional electrophoresis followed by matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry. The western blotting was used to confirm the proteins that have been identified. Results. We have identified thirteen proteins including albumin, haptoglobin, and keratin isoforms as well as immunoglobulin kappa chain which showed upregulation while transferrin and alpha 1 antitrypsin revealed downregulation in these patients in comparison with healthy control group. Conclusions. Our results elevated participation of free iron circulatory imbalance and local matrix-metalloproteinase activity in development of delayed ocular symptoms induced by SM. It demonstrates that SM induced systemic toxicity leads to some serum protein changes that continually and gradually exacerbate the ocular surface injuries.
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Identification of reduced circulating haptoglobin concentration as a biomarker of the severity of pulmonary embolism: a nontargeted proteomic study. PLoS One 2014; 9:e100902. [PMID: 24979072 PMCID: PMC4076207 DOI: 10.1371/journal.pone.0100902] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 06/01/2014] [Indexed: 11/19/2022] Open
Abstract
Risk stratification of patients with pulmonary embolism (PE) may identify patients at high risk of early death who may benefit from more intensive surveillance or aggressive therapy. Nontargeted proteomics may identify biomarkers useful for the risk stratification of patients with acute symptomatic pulmonary embolism (PE). We studied 6 patients presenting with low-risk PE and 6 patients presenting with intermediate (n = 3) or high-risk (n = 3) PE. Two-dimensional difference gel electrophoresis was used to compare their plasma protein abundances. Candidate protein markers were identified by matrix assisted laser desorption ionization time-of-flight mass spectrometry. A panel of four biomarkers (haptoglobin, hemopexin, α2-macroglobulin, and Ig α1-chain C region) showed differences in plasma abundance among patients with acute symptomatic PE of different severity. Haptoglobin and hemopexin were decreased, whereas α2-macroglobulin and Ig α1-chain C region were increased, in patients with high or intermediate-risk PE compared with low-risk PE patient. In a separate clinical population consisting of 104 adults with acute PE, serum haptoglobin concentrations had an 85% chance of correctly identifying patients with high-risk PE according to receiving operating characteristics curve analysis. Moreover, serum haptoglobin concentrations ≤1 g/l showed an 80% sensitivity and a 96% specificity for the diagnosis of high-risk PE. Nontargeted proteomics identified protein biomarkers for the severity of PE that are involved in iron metabolism pathways and acute-phase response. Among them, reduced serum haptoglobin concentrations show a high accuracy for the biochemical detection of high-risk PE.
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Lee CC, Ho HC, Chien SH, Hsiao SH, Hung SK, Huang TT, Yu CC, Chang SM, Huang HH, Su YC. Association of acute phase protein-haptoglobin, and epithelial-mesenchymal transition in buccal cancer: a preliminary report. Clin Chem Lab Med 2014; 51:429-37. [PMID: 23093274 DOI: 10.1515/cclm-2012-0197] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Accepted: 05/24/2012] [Indexed: 11/15/2022]
Abstract
BACKGROUND The aim of this study was to determine the influence of inflammation on acute phase protein and epithelial-mesenchymal transition (EMT) in buccal cancer. METHODS Western blotting was carried out to investigate the expression of haptoglobin and epithelial-mesenchymal transition in oral cancer cell lines with or without IL-6 stimulation. We studied patients with buccal cancer patients without distant metastasis at diagnosis. Correlation between cellular haptoglobin, EMT, and clinical characteristics of buccal cancer was analyzed to assess the prognostic value of cellular haptoglobin level and EMT. The relationship of haptoglobin, and EMT expression with survival was assessed using Cox proportional hazard models. RESULTS Western blotting analysis showed that increased haptoglobin protein was associated with overexpression of vimentin. Under IL-6 stimulation, overexpression of haptoglobin, EMT-associated motile phenotype was noted in OC2 cell lines. Overexpression of haptoglobin was also associated with an increased risk for locoregional recurrence [hazard ratio (HR) 1.04; p=0.011] after adjusting for age, gender, disease site, stage, and treatment modality. CONCLUSIONS Increased cellular expression of haptoglobin is associated with EMT in oral cancer cell lines and this phenomenon could be exaggerated with IL-6. Cellular expression of haptoglobin is related to locoregional recurrence rate in buccal cancer patients.
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Affiliation(s)
- Ching-Chih Lee
- Department of Otolaryngology, Buddhist Dalin Tzu Chi General Hospital, Chiayi, Taiwan
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Abstract
AbstractLung cancer is one of the most common cancers in terms of both incidence and mortality.The major reasons for the increasing number of deaths from lung cancer are late detection and lack of effective therapies. To improve our understanding of lung cancer biology, there is urgent need for blood-based, non-invasive molecular tests to assist in its detection in a cost-effective manner at an early stage when curative interventions are still possible. Recent advances in proteomic technology have provided extensive, high throughput analytical tools for identification, characterization and functional studies of proteomes. Changes in protein expression patterns in response to stimuli can serve as indicators or biomarkers of biological and pathological processes as well as physiological and pharmacological responses to drug treatment, thus aiding in early diagnosis and prognosis of disease. However, only a few biomarkers have been approved by the FDA to date for screening and diagnostic purposes. This review provides a brief overview of currently available proteomic techniques, their applications and limitations and the current state of knowledge about important serum biomarkers in lung cancer and their potential value as prognostic and diagnostic tools.
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Hibert P, Prunier-Mirebeau D, Beseme O, Chwastyniak M, Tamareille S, Pinet F, Prunier F. Modifications in rat plasma proteome after remote ischemic preconditioning (RIPC) stimulus: identification by a SELDI-TOF-MS approach. PLoS One 2014; 9:e85669. [PMID: 24454915 PMCID: PMC3890329 DOI: 10.1371/journal.pone.0085669] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Accepted: 12/06/2013] [Indexed: 11/18/2022] Open
Abstract
Remote ischemic preconditioning’s (RIPC) ability to render the myocardium resistant to subsequent prolonged ischemia is now clearly established in different species, including humans. Strong evidence suggests that circulating humoral mediators play a key role in signal transduction, but their identities still need to be established. Our study sought to identify potential circulating RIPC mediators using a proteomic approach. Rats were exposed to 10-min limb ischemia followed by 5- (RIPC 5′) or 10-min (RIPC 10′) reperfusion prior to blood sampling. The control group only underwent blood sampling. Plasma samples were isolated for proteomic analysis using surface-enhanced laser desorption and ionization - time of flight - mass spectrometry (SELDI-TOF-MS). A total of seven proteins, including haptoglobin and transthyretin, were detected as up- or down-regulated in response to RIPC. These proteins had previously been identified as associated with organ protection, anti-inflammation, and various cellular and molecular responses to ischemia. In conclusion, this study indicates that RIPC results in significant modulations of plasma proteome.
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Affiliation(s)
- Pierre Hibert
- L’UNAM Université, Angers, France
- Université d’Angers, Laboratoire Cardioprotection Remodelage et Thrombose, Angers, France
| | - Delphine Prunier-Mirebeau
- L’UNAM Université, Angers, France
- Université d’Angers, INSERM U771, CNRS UMR 6214, CHU Angers, Département de Biochimie et Génétique, Angers, France
| | - Olivia Beseme
- INSERM, U744, Lille, France
- Institut Pasteur de Lille, Lille, France
- Université Lille Nord de France, IFR142, Lille, France
| | - Maggy Chwastyniak
- INSERM, U744, Lille, France
- Institut Pasteur de Lille, Lille, France
- Université Lille Nord de France, IFR142, Lille, France
| | - Sophie Tamareille
- L’UNAM Université, Angers, France
- Université d’Angers, Laboratoire Cardioprotection Remodelage et Thrombose, Angers, France
| | - Florence Pinet
- INSERM, U744, Lille, France
- Institut Pasteur de Lille, Lille, France
- Université Lille Nord de France, IFR142, Lille, France
- Centre Hospitalier régional et Universitaire de Lille, Lille, France
| | - Fabrice Prunier
- L’UNAM Université, Angers, France
- Université d’Angers, Laboratoire Cardioprotection Remodelage et Thrombose, Angers, France
- CHU Angers, Service de Cardiologie, Angers, France
- * E-mail:
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Serum Proteomic Analysis of Extracorporeal Shock Wave Therapy–Enhanced Diabetic Wound Healing in a Streptozotocin-Induced Diabetes Model. Plast Reconstr Surg 2014; 133:59-68. [DOI: 10.1097/01.prs.0000439050.08733.cf] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Park HJ, Oh MK, Kim NH, Cho ML, Kim IS. Identification of a specific haptoglobin C-terminal fragment in arthritic synovial fluid and its effect on interleukin-6 expression. Immunology 2013; 140:133-41. [PMID: 23701120 DOI: 10.1111/imm.12125] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 05/20/2013] [Accepted: 05/20/2013] [Indexed: 12/31/2022] Open
Abstract
Haptoglobin (Hp), a major acute-phase plasma protein, has been found in arthritic synovial fluid (SF). However, the function and structural modifications of Hp in arthritic SF are unknown. To investigate in vivo generation of modified Hp associated with inflammatory disease, we examined a new Hp isoform in SF from patients with rheumatoid arthritis (RA). Specific Hp fragments of 28 000 and 15 000 molecular weight were identified in SF of patients with RA, and the two polypeptides were presumed to be fragments of the Hp β-chain (43 000 MW) produced by cleavage with plasmin. The 15 000 MW fragment, which is a C-terminal region of Hp, was observed at higher frequency and levels in RA than in osteoarthritis. Plasmin activity was also higher in SF of RA patients. A recombinant 15 000 MW Hp fragment up-regulated interlukin-6 expression in monocytic cells. These findings indicate that the C-terminal Hp fragment is generated by plasmin in local inflammatory environments and acts as an inflammatory mediator. They further suggest that a specific Hp fragment might be applied as a novel biomarker for the diagnosis and prognosis of inflammatory diseases such as RA.
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Affiliation(s)
- Hyo Jung Park
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Huntoon KM, Russell L, Tracy E, Barbour KW, Li Q, Shrikant PA, Berger FG, Garrett-Sinha LA, Baumann H. A unique form of haptoglobin produced by murine hematopoietic cells supports B-cell survival, differentiation and immune response. Mol Immunol 2013; 55:345-54. [PMID: 23548836 DOI: 10.1016/j.molimm.2013.03.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Revised: 03/04/2013] [Accepted: 03/13/2013] [Indexed: 01/25/2023]
Abstract
Haptoglobin (Hp), an acute phase reactant and major hemoglobin-binding protein, has a unique role in host immunity. Previously, we demonstrated that Hp-deficient C57BL/6J mice exhibit stunted development of mature T- and B-cells resulting in markedly lower levels of antigen-specific IgG. The current study identified leukocyte-derived pro-Hp as a relevant mediator of an optimal immune response. Reconstitution of Hp-/- mice with Hp+/+ bone marrow restored normal immune response to ovalbumin. Furthermore, transplanting a mixture of bone marrow-derived from B-cell-deficient and Hp-deficient mice into Rag1-/-/Hp+/+ recipients resulted in mice with a defective immune response similar to Hp-/- mice. This suggests that Hp generated by the B-cell compartment, rather than by the liver, is functionally contributing to a normal immune response. Leukocytes isolated from the spleen express Hp and release a non-proteolytically processed pro-Hp that uniquely differed from liver-derived Hp by not binding to hemoglobin. While addition of purified plasma Hp to cultured B-cells did not alter responses, pro-Hp isolated from splenocytes enhanced cellular proliferation and production of IgG. Collectively, the comparison of wild-type and Hp-deficient mice suggests a novel regulatory activity for lymphocyte-derived Hp, including Hp produced by B-cells themselves, that supports in vivo survival and functional differentiation of the B-cells to ensure an optimal immune response.
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Affiliation(s)
- Kristin M Huntoon
- Department of Molecular and Cellular Biology, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, USA
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Indovina P, Marcelli E, Pentimalli F, Tanganelli P, Tarro G, Giordano A. Mass spectrometry-based proteomics: the road to lung cancer biomarker discovery. MASS SPECTROMETRY REVIEWS 2013; 32:129-142. [PMID: 22829143 DOI: 10.1002/mas.21355] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2011] [Revised: 04/18/2012] [Accepted: 04/18/2012] [Indexed: 06/01/2023]
Abstract
Lung cancer is the leading cause of cancer death in men and women in Western nations, and is among the deadliest cancers with a 5-year survival rate of 15%. The high mortality caused by lung cancer is attributable to a late-stage diagnosis and the lack of effective treatments. So, it is crucial to identify new biomarkers that could function not only to detect lung cancer at an early stage but also to shed light on the molecular mechanisms that underlie cancer development and serve as the basis for the development of novel therapeutic strategies. Considering that DNA-based biomarkers for lung cancer showed inadequate sensitivity, specificity, and reproducibility, proteomics could represent a better tool for the identification of useful biomarkers and therapeutic targets for this cancer type. Among the proteomics technologies, the most powerful tool is mass spectrometry. In this review, we describe studies that use mass spectrometry-based proteomics technologies to analyze tumor proteins and peptides, which might represent new diagnostic, prognostic, and predictive markers for lung cancer. We focus in particular on those findings that hold promise to impact significantly on the clinical management of this disease.
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MESH Headings
- Animals
- Antineoplastic Agents/therapeutic use
- Biomarkers/blood
- Biomarkers/metabolism
- Biomarkers, Tumor/blood
- Biomarkers, Tumor/chemistry
- Biomarkers, Tumor/metabolism
- Chromatography, High Pressure Liquid
- Glycosylation/drug effects
- Humans
- Lung Neoplasms/blood
- Lung Neoplasms/diagnosis
- Lung Neoplasms/drug therapy
- Lung Neoplasms/metabolism
- Pleural Effusion, Malignant/blood
- Pleural Effusion, Malignant/drug therapy
- Pleural Effusion, Malignant/metabolism
- Prognosis
- Protein Processing, Post-Translational/drug effects
- Proteomics/methods
- Saliva/chemistry
- Saliva/drug effects
- Spectrometry, Mass, Electrospray Ionization
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
- Tandem Mass Spectrometry
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Affiliation(s)
- Paola Indovina
- Department of Human Pathology and Oncology, University of Siena, Siena, Italy
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Arslan F, Smeets MB, Buttari B, Profumo E, Riganò R, Akeroyd L, Kara E, Timmers L, Sluijter JP, van Middelaar B, den Ouden K, Pasterkamp G, Lim SK, de Kleijn DPV. Lack of haptoglobin results in unbalanced VEGFα/angiopoietin-1 expression, intramural hemorrhage and impaired wound healing after myocardial infarction. J Mol Cell Cardiol 2012; 56:116-28. [PMID: 23274064 DOI: 10.1016/j.yjmcc.2012.12.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Revised: 12/05/2012] [Accepted: 12/17/2012] [Indexed: 12/20/2022]
Abstract
Decreased haptoglobin (Hp) functionality due to allelic variations is associated with worsened outcome in patients after myocardial infarction (MI). However, mechanisms through which haptoglobin deficiency impairs cardiac repair remain to be elucidated. In the present study, we identified novel molecular alterations mediated by Hp involved in early and late cardiac repair responses after left coronary artery ligation in Hp(-/-) and wild-type (WT) mice. We observed a higher mortality rate in Hp(-/-) mice despite similar infarct size between groups. Deaths were commonly caused by cardiac rupture in Hp(-/-) animals. Histological analysis of 3 and 7days old non-ruptured infarcted hearts revealed more frequent and more severe intramural hemorrhage and increased leukocyte infiltration in Hp(-/-) mice. Analyses of non-ruptured hearts revealed increased oxidative stress, reduced PAI-1 activity and enhanced VEGFα transcription in Hp(-/-) mice. In line with these observations, we found increased microvascular permeability in Hp(-/-) hearts 3days after infarction. In vitro, haptoglobin prevented hemoglobin-induced oxidative stress and restored VEGF/Ang-1 balance in endothelial cell cultures. During long-term follow-up of the surviving animals, we observed altered matrix turnover, impaired scar formation and worsened cardiac function and geometry in Hp(-/-)mice. In conclusion, haptoglobin deficiency severely deteriorates tissue repair and cardiac performance after experimental MI. Haptoglobin plays a crucial role in both short- and long-term cardiac repair responses by reducing oxidative stress, maintaining microvascular integrity, myocardial architecture and proper scar formation.
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Affiliation(s)
- Fatih Arslan
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands.
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Maresca B, Cigliano L, Spagnuolo MS, Dal Piaz F, Corsaro MM, Balato N, Nino M, Balato A, Ayala F, Abrescia P. Differences between the glycosylation patterns of haptoglobin isolated from skin scales and plasma of psoriatic patients. PLoS One 2012; 7:e52040. [PMID: 23272204 PMCID: PMC3525549 DOI: 10.1371/journal.pone.0052040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Accepted: 11/08/2012] [Indexed: 11/17/2022] Open
Abstract
Improved diagnosis of psoriasis, by new biomarkers, is required for evaluating the progression rate of the disease and the response to treatment. Haptoglobin (Hpt), a glycoprotein secreted by hepatocytes and other types of cells including keratinocytes, was found with glycan changes in psoriasis and other diseases. We previously reported that Hpt isolated from plasma of psoriatic patients is more fucosylated than Hpt of healthy subjects. The aim of this study was to compare the glycosylation pattern of Hpt isolated from skin scales or plasma of patients with psoriasis with that of Hpt from cornified epidermal layer or plasma of healthy subjects. High performance liquid chromatography analysis of the glycans isolated from the protein backbone revealed that glycan patterns from skin and plasma of patients were similar, and mostly displayed quantitative rather than qualitative differences from normal pattern. Biotin-labeled lectins were used to evaluate quantitative differences in the glycoforms of Hpt from plasma and psoriatic skin scales. Hpt from skin and plasma of patients showed more fucosylated and branched glycans than Hpt from plasma of healthy subjects. Tryptic glycopeptides of Hpt were also analyzed by mass spectrometry, and a decreased amount of sialylated glycan chains was found in glycopeptides of skin Hpt, as compared with Hpt from plasma. High levels of glycans with fucosylated and tetra-antennary chains were detected on the peptide NLFLNHSENATAK from Hpt of psoriatic patients. Our data demonstrate that specific changes in glycan structures of Hpt, such as enhanced glycan branching and fucose content, are associated with psoriasis, and that differences between circulating and skin Hpt do exist. A lower extent of glycan fucosylation and branching was found in Hpt from plasma of patients in disease remission. Altered glycoforms might reflect changes of Hpt function in the skin, and could be used as markers of the disease.
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Affiliation(s)
- Bernardetta Maresca
- Dipartimento delle Scienze Biologiche, Università di Napoli Federico II, Napoli, Italia
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Kreisel D, Goldstein DR. Innate immunity and organ transplantation: focus on lung transplantation. Transpl Int 2012; 26:2-10. [PMID: 22909350 DOI: 10.1111/j.1432-2277.2012.01549.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Ischemia reperfusion injury (IRI) that occurs with solid organ transplantation activates the innate immune system to induce inflammation. This leads to enhanced acute allograft rejection, impaired transplant tolerance and accelerated progression of chronic rejection. In this review, we discuss the innate immune signaling pathways that have been shown to play a role in organ transplantation. In particular, we focus on Toll-like receptor signaling pathways and how they have influenced outcomes after organ transplantation both experimentally and from clinical studies. Furthermore, we describe the substances that trigger the innate immune system after transplantation and several of the key cellular mediators of inflammation. We specifically point out unique aspects of activation of the innate immune system after lung transplantation. Finally, we discuss the areas that should be investigated in the future to more clearly understand the influence of the innate immune system after organ transplantation.
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Affiliation(s)
- Daniel Kreisel
- Department of Surgery, Washington University in St Louis, St. Louis, MO, USA
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36
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Lung cancer proteomics: recent advances in biomarker discovery. INTERNATIONAL JOURNAL OF PROTEOMICS 2011; 2011:726869. [PMID: 22229091 PMCID: PMC3196861 DOI: 10.1155/2011/726869] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/14/2011] [Accepted: 07/16/2011] [Indexed: 12/21/2022]
Abstract
Lung cancer is the most common cause of cancer death in both men and women in Western countries, with a 5-year survival rate of 15%, which is among the lowest of all cancers. The high mortality from lung cancer is due not only to the late stage diagnosis but also to the lack of effective treatments even for patients diagnosed with stage I lung cancer. Therefore, there is an urgent need to identify new markers for early diagnosis and prognosis that could serve to open novel therapeutic avenues. Proteomics can represent an important tool for the identification of biomarkers and therapeutic targets for lung cancer since DNA-based biomarkers did not prove to have adequate sensitivity, specificity, and reproducibility. In this paper we will describe studies focused on the identification of new diagnostic, prognostic, and predictive markers for lung cancer, using proteomics technologies.
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Haas B, Serchi T, Wagner DR, Gilson G, Planchon S, Renaut J, Hoffmann L, Bohn T, Devaux Y. Proteomic analysis of plasma samples from patients with acute myocardial infarction identifies haptoglobin as a potential prognostic biomarker. J Proteomics 2011; 75:229-36. [PMID: 21767674 DOI: 10.1016/j.jprot.2011.06.028] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 06/09/2011] [Accepted: 06/27/2011] [Indexed: 02/02/2023]
Abstract
Prognosis of clinical outcome following myocardial infarction is variable and difficult to predict. We have analyzed the plasma proteome of thirty patients with acute myocardial infarction to search for new prognostic biomarkers. Proteomic analyses of blood samples were performed by 2-D-DiGE after plasma depletion of albumin and immunoglobulins G. New York Heart Association (NYHA) class determined at 1-year follow-up was used to identify patients with heart failure. Principal component analysis and hierarchical clustering of proteomic data revealed that patients could be separated into 3 groups. The 22 differentially expressed proteins involved in this grouping were identified as haptoglobin (Hp) and respective isoforms. The 3 groups of patients had distinct Hp isoforms: patients from group 1 had the α1-α1, patients from group 2 the α2-α1, and patients from group 3 the α2-α2 genotype. This classification was also associated with different total plasma levels of Hp. The presence of the α2 genotype and low plasma levels of Hp was associated with a higher NYHA class and therefore with a detrimental functional outcome after myocardial infarction. A plasma level of Hp below 1.4g/L predicted the occurrence of heart failure (NYHA 2, 3, 4) at 1-year with 100% sensitivity.
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Affiliation(s)
- Benjamin Haas
- Laboratory of Cardiovascular Research, Centre de Recherche Public-Santé, Luxembourg, Luxembourg
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38
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Pan JP, Cheng TM, Shih CC, Chiang SC, Chou SC, Mao SJ, Lai ST. Haptoglobin phenotypes and plasma haptoglobin levels in patients with abdominal aortic aneurysm. J Vasc Surg 2011; 53:1189-94. [DOI: 10.1016/j.jvs.2010.10.122] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2010] [Revised: 10/26/2010] [Accepted: 10/27/2010] [Indexed: 12/28/2022]
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Schulze Willbrenning G, Hiss S, Theune C, Mielenz M, Schellander K, Sauerwein H. Gelatinase activities and haptoglobin concentrations in healthy and in degenerative articular cartilage of pigs. J Anim Physiol Anim Nutr (Berl) 2011; 94:757-66. [PMID: 20050947 DOI: 10.1111/j.1439-0396.2009.00958.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The objectives of this study were to investigate the activity of the matrix metalloproteinase (MMP)-2 and MMP-9 in healthy and in degenerative cartilage and to characterize the relation with the acute phase protein haptoglobin (HP) in articular cartilages of pigs. Joint surfaces of the proximal and distal humerus and femur of fattening pigs were histopathologically classified. In addition, cartilage homogenates and synovia were obtained. The tissue homogenates were analysed for gelatinase activity by zymography and by activity assay. The concentrations of HP in cartilage homogenates, in synovia and in serum were analysed by ELISA. High enzymatic activity of the MMP-2 latent form was observed in zymography in all samples. Zymographic activities of MMP-2 active form and MMP-9 (active and latent form) were detected at low levels in some samples. Comparison of the zymographic activities of gelatinases in unaltered vs. altered cartilages yielded no differences. In contrast to zymography, cartilage homogenates were negative for MMP-2 and MMP-9 in the activity assays. The concentrations of HP in cartilage homogenates and in synovia from samples without alteration and from samples with massive alterations were not different. When classified according to their HP concentration, cartilage homogenates with increased HP concentrations had higher (p < 0.05) zymographic activities of the MMP-2 active form. For the two MMPs investigated, there was no detectable relationship with degenerative processes in the cartilage.
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Affiliation(s)
- G Schulze Willbrenning
- Physiology & Hygiene Unit, Institute of Animal Science, University of Bonn, Bonn, Germany
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40
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Rajpal R, Dowling P, Meiller J, Clarke C, Murphy WG, O'Connor R, Kell M, Mitsiades C, Richardson P, Anderson KC, Clynes M, O'Gorman P. A novel panel of protein biomarkers for predicting response to thalidomide-based therapy in newly diagnosed multiple myeloma patients. Proteomics 2011; 11:1391-402. [PMID: 21365752 DOI: 10.1002/pmic.201000471] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Revised: 10/08/2010] [Accepted: 01/11/2011] [Indexed: 11/09/2022]
Abstract
Multiple myeloma (MM) is a heterogeneous group of disorders both genotypically and phenotypically. Response to thalidomide-based induction therapy in newly diagnosed patients varies significantly in published clinical trials. Proteomic analysis was performed on 39 newly diagnosed MM patients treated with a thalidomide-based regimen (22 responders; 17 non-responders) using immunodepletion, 2-D DIGE analysis and mass spectrometry. Zinc-α-2-glycoprotein (ZAG), vitamin D-binding protein (VDB), serum amyloid-A protein (SAA) and β-2-microglobulin (B2M) had statistically significant higher concentrations in non-responders compared to responders, while haptoglobin (Hp) had a lower concentration. ELISAs were used to validate the candidate protein biomarkers using unfractionated serum from 51 newly diagnosed MM patients (29 responders; 22 non-responders). Using logistic regression, the best possible area under the curve (AUC) was 0.96 using ZAG, VDB and SAA in combination. Leave-one-out-cross-validation (LOOCV) indicated an overall predictive accuracy of 84% with associated sensitivity and specificity values of 81.8 and 86.2%, respectively. Subsequently, 16 of 22 thalidomide-refractory patients successfully achieved complete response or very good partial response using second-line treatment suggesting that the biomarker profile is specific to thalidomide response rather than identifying patients with MM refractory to all therapies. Using a novel panel of predictive biomarkers, the feasibility of predicting response to thalidomide-based therapy in previously untreated MM has been demonstrated.
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Affiliation(s)
- Rajesh Rajpal
- National Institute for Cellular Biotechnology (NICB), Dublin City University, Dublin, Ireland
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Kang SM, Sung HJ, Ahn JM, Park JY, Lee SY, Park CS, Cho JY. The Haptoglobin β chain as a supportive biomarker for human lung cancers. MOLECULAR BIOSYSTEMS 2011; 7:1167-75. [PMID: 21253648 DOI: 10.1039/c0mb00242a] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Haptoglobin (Hp) is produced as an acute phase reactant during inflammation, infection, malignant diseases, and several cancers. In proteomics analysis using human blood samples, the Hp peptide levels were about 3-fold higher in lung cancer patients versus normal individuals. This study is aimed at analyzing the elevation of which chain of Hp is closely related to lung cancers and can be a serum biomarker for lung cancers. In Western blot (WB) analysis, we found that the Hp β chain can be a better diagnostic biomarker for lung cancers. In the result of the Hp β chain ELISA developed by us, the concentrations of the Hp β chain in the sera increased about 4-fold in 190 lung adenocarcinoma patients versus 190 healthy controls (8.0 ± 3.8 μg ml(-1)vs. 1.9 ± 1.2 μg ml(-1)). ELISA data showed that the serum levels of the Hp β chain in breast cancer (1.5 ± 0.5 μg ml(-1)) and hepatocellular carcinoma (HCC) (1.4 ± 1.0 μg ml(-1)) patients remained similar to those of healthy controls. Compared to lung adenocarcinoma, the Hp β chain levels in the plasma of patients with other respiratory diseases such as tuberculosis (TBC), idiopathic pulmonary fibrosis (IPF) and bronchial asthma (BA) were closer to those of healthy controls. Our data suggest that an increase of the Hp β chain can be a potential serum biomarker for lung cancers.
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Affiliation(s)
- Sung-Min Kang
- Department of Biochemistry, School of Dentistry and Brain Korea 21, Kyungpook National University, and ProtAnBio, Dongin-dong 2 Ga 101, Daegu 700-422, South Korea
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Oh MK, Park HJ, Kim NH, Park SJ, Park IY, Kim IS. Hypoxia-inducible factor-1alpha enhances haptoglobin gene expression by improving binding of STAT3 to the promoter. J Biol Chem 2011; 286:8857-65. [PMID: 21224490 DOI: 10.1074/jbc.m110.150557] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Haptoglobin (Hp) is known to play a role in angiogenesis as well as in anti-inflammation. STAT3 is a major transcription factor for expression of human Hp. We investigated whether hypoxia-inducible factor-1α (HIF-1α), a key mediator of angiogenesis, participates in Hp gene expression. HIF-1α overexpression by gene transfection or hypoxia augmented Hp transcription in HepG2 human hepatoma cells. Conversely, knockdown of HIF-1α by specific siRNA transfection diminished Hp expression, although the level of STAT3 phosphorylation remained unchanged. A luciferase reporter assay using mutant Hp promoters demonstrated that two adjacent DNA elements, a STAT3-binding element (SBE) and a cAMP-response element (CRE)-like site in human Hp promoter -120/-97, were required for HIF-1α-stimulated transactivation of the Hp gene. HIF-1α, STAT3, and p300/CBP were simultaneously bound to the SBE/CRE as a complex form. When HIF-1α was knocked down, STAT3 binding to the SBE in the Hp promoter was attenuated. Our findings suggest that HIF-1α assists STAT3 in strong binding to the proximal SBE in the Hp promoter. The CRE-like site located near the SBE may contribute to the formation of a stable complex of STAT3, HIF-1α, and p300/CBP, which leads to maximum transcription of the Hp gene.
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Affiliation(s)
- Mi-Kyung Oh
- Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, Seoul 137-701, Korea
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Kumar DM, Thota B, Shinde SV, Prasanna KV, Hegde AS, Arivazhagan A, Chandramouli BA, Santosh V, Somasundaram K. Proteomic identification of haptoglobin α2 as a glioblastoma serum biomarker: implications in cancer cell migration and tumor growth. J Proteome Res 2010; 9:5557-67. [PMID: 20822092 DOI: 10.1021/pr1001737] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Glioblastoma (GBM; grade IV astrocytoma) is the most malignant and common primary brain tumor in adults. Using combination of 2-DE and MALDI-TOF MS, we analyzed 14 GBM and 6 normal control sera and identified haptoglobin α2 chain as an up-regulated serum protein in GBM patients. GBM-specific up-regulation was confirmed by ELISA based quantitation of haptoglobin (Hp) in the serum of 99 GBM patients as against lower grades (49 grade III/AA; 26 grade II/DA) and 26 normal individuals (p = 0.0001). Further validation using RT-qPCR on an independent set (n = 78) of tumor and normal brain (n = 4) samples and immunohistochemcial staining on a subset (n = 42) of above samples showed increasing levels of transcript and protein with tumor grade and were highest in GBM (p = <0.0001 and <0.0001, respectively). Overexpression of Hp either by stable integration of Hp cDNA or exogenous addition of purified Hp to immortalized astrocytes resulted in increased cell migration. RNAi-mediated silencing of Hp in glioma cells decreased cell migration. Further, we demonstrate that both human glioma and mouse melanoma cells overexpressing Hp showed increased tumor growth. Thus, we have identified haptoglobin as a GBM-specific serum marker with a role on glioma tumor growth and migration.
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Lee CC, Ho HC, Lee MS, Hung SK, Yu CC, Su YC. Expression of haptoglobin predicts recurrence in head and neck squamous cell carcinoma. Clin Chim Acta 2010; 411:1116-21. [DOI: 10.1016/j.cca.2010.04.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2010] [Revised: 04/07/2010] [Accepted: 04/08/2010] [Indexed: 11/25/2022]
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Rosenkranz ME, Wilson DC, Marinov AD, Decewicz A, Grof-Tisza P, Kirchner D, Giles B, Reynolds PR, Liebman MN, Kolli VSK, Thompson SD, Hirsch R. Synovial fluid proteins differentiate between the subtypes of juvenile idiopathic arthritis. ACTA ACUST UNITED AC 2010; 62:1813-23. [PMID: 20222116 DOI: 10.1002/art.27447] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Juvenile idiopathic arthritis (JIA) is a heterogeneous group of inflammatory diseases, and no clinically useful prognostic markers to predict disease outcome in children with JIA are currently available. Synovial fluid likely reflects the proteins present in the inflamed synovium. The purpose of this study was to delineate the synovial fluid proteome and determine whether protein expression differs in the different subtypes of JIA. METHODS Synovial fluid samples obtained from children with oligoarticular JIA, polyarticular JIA, or systemic JIA were compared. Two-dimensional gel electrophoresis for protein separation and matrix-assisted laser desorption ionization-time-of-flight mass spectrometry and quadripole time-of-flight mass spectrometry for protein identification were used for this study. Synovial fluid cells were analyzed by polymerase chain reaction (PCR) for the presence of haptoglobin messenger RNA (mRNA). RESULTS The synovial fluid proteome of the samples was delineated. The majority of proteins showed overexpression in JIA synovial fluid as compared with noninflammatory control samples. There were 24 statistically significantly differentially expressed spots (>2-fold change; P < 0.05) between the subtypes of JIA. PCR analysis revealed haptoglobin mRNA, suggesting that haptoglobin is locally produced in an inflamed joint in JIA. CONCLUSION Despite the similar histologic appearance of inflamed joints in patients with different subtypes of JIA, there are differences in protein expression according to the subtype of JIA. Haptoglobin is differentially expressed between the subtypes of JIA and is locally produced in an inflamed joint in JIA. Haptoglobin and other differentially expressed proteins may be potential biomarkers in JIA.
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Affiliation(s)
- Margalit E Rosenkranz
- Children's Hospital of Pittsburgh, Division of Rheumatology, Pittsburgh, Pennsylvania 15213, USA.
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Vernochet C, Davis KE, Scherer PE, Farmer SR. Mechanisms regulating repression of haptoglobin production by peroxisome proliferator-activated receptor-gamma ligands in adipocytes. Endocrinology 2010; 151:586-94. [PMID: 19952271 PMCID: PMC2817616 DOI: 10.1210/en.2009-1057] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Obesity leads to inflammation of white adipose tissue involving enhanced secretion of cytokines and acute-phase proteins in response in part to the accumulation of excess lipids in adipocytes. Haptoglobin is an acute-phase reactant secreted by white adipose tissue and induced by inflammatory cytokines such as TNFalpha. In this study, we investigated the mechanisms regulating haptoglobin expression in adipocytes. Peroxisome proliferator-activated receptor (PPAR)-gamma agonists such as thiazolidinediones (TZDs) as well as non-TZD ligands can repress in vitro and in vivo haptoglobin expression in adipocytes and also prevent its induction by TNFalpha. This action requires direct involvement of PPAR gamma in regulating haptoglobin gene transcription because mutation of critical amino acids within helix 7 of the ligand-binding domain of PPAR gamma prevents repression of the haptoglobin gene by the synthetic ligands. Chromatin immunoprecipitation analysis shows active binding of PPAR gamma to a distal region of the haptoglobin promoter, which contains putative PPAR gamma binding sites. Additionally, PPAR gamma induces transcription of a luciferase reporter gene when driven by the distal promoter region of the haptoglobin gene, and TZD treatment significantly reduces the extent of this induction. Furthermore, the mutated PPAR gamma is incapable of enhancing luciferase activity in these in vitro reporter gene assays. In contrast to other adipokines repressed by TZDs such as resistin and chemerin, repression of haptoglobin does not require either CCAAT/enhancer-binding protein C/EBP alpha or the corepressors C-terminal binding protein 1 or 2. These data are consistent with a model in which synthetic PPAR gamma ligands selectively activate PPAR gamma bound to the haptoglobin gene promoter to arrest haptoglobin gene transcription.
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Affiliation(s)
- Cecile Vernochet
- Department of Biochemistry, Boston University School of Medicine, 715 Albany Street, Boston, Massachusetts 02118, USA
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Maffei M, Funicello M, Vottari T, Gamucci O, Costa M, Lisi S, Viegi A, Ciampi O, Bardi G, Vitti P, Pinchera A, Santini F. The obesity and inflammatory marker haptoglobin attracts monocytes via interaction with chemokine (C-C motif) receptor 2 (CCR2). BMC Biol 2009; 7:87. [PMID: 20017911 PMCID: PMC2809058 DOI: 10.1186/1741-7007-7-87] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2009] [Accepted: 12/17/2009] [Indexed: 12/31/2022] Open
Abstract
Background Obesity is a chronic low inflammatory state. In the obesity condition the white adipose tissue (WAT) is massively infiltrated with monocytes/macrophages, and the nature of the signals recruiting these inflammatory cells has yet to be fully elucidated. Haptoglobin (Hp) is an inflammatory marker and its expression is induced in the WAT of obese subjects. In an effort to elucidate the biological significance of Hp presence in the WAT and of its upregulation in obesity we formulated the hypothesis that Hp may serve as a macrophage chemoattractant. Results We demonstrated by chemotaxis assay that Hp is able to attract chemokine (C-C motif) receptor 2 (CCR2)-transfected pre-B lymphocytes and monocytes in a dose-dependent manner. Moreover, Hp-mediated migration of monocytes is impaired by CCR2-specific inhibition or previous cell exposure to monocyte chemoattractant protein 1 (MCP1) (also known as CCR2 ligand or chemokine (C-C motif) ligand 2 (CCL2)). Downstream effects of Hp/CCR2 interaction were also investigated: flow cytometry proved that monocytes treated with Hp show reduced CCR2 expression on their surface; Hp interaction induces calcium release that is reduced upon pretreatment with CCR2 antagonist; extracellular signal-regulated kinase (ERK)1/2, a signal transducer activated by CCR2, is phosphorylated following Hp treatment and this phosphorylation is reduced when cells are pretreated with a specific CCR2 inhibitor. Consistently, blocking the ERK1/2 pathway with U0126, the selective inhibitor of the ERK upstream mitogen-activated protein (MAP)-ERK kinase (MEK), results in a dramatic reduction (by almost 100%) of the capability of Hp to induce monocyte migration. Conclusions Our data show that Hp is a novel monocyte chemoattractant and that its chemotactic potential is mediated, at least in part. by its interaction with CCR2.
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Affiliation(s)
- Margherita Maffei
- Dulbecco Telethon Institute, CNR, Area della Ricerca di Pisa, Pisa, Italy.
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Diagnostic and prognostic biomarker discovery strategies for autoimmune disorders. J Proteomics 2009; 73:1045-60. [PMID: 19995622 DOI: 10.1016/j.jprot.2009.11.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 11/25/2009] [Accepted: 11/30/2009] [Indexed: 12/28/2022]
Abstract
Current clinical, laboratory or radiological parameters cannot accurately diagnose or predict disease outcomes in a range of autoimmune disorders. Biomarkers which can diagnose at an earlier time point, predict outcome or help guide therapeutic strategies in autoimmune diseases could improve clinical management of this broad group of debilitating disorders. Additionally, there is a growing need for a deeper understanding of multi-factorial autoimmune disorders. Proteomic platforms offering a multiplex approach are more likely to reflect the complexity of autoimmune disease processes. Findings from proteomic based studies of three distinct autoimmune diseases are presented and strategies compared. It is the authors' view that such approaches are likely to be fruitful in the movement of autoimmune disease treatment away from reactive decisions and towards a preventative stand point.
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Gibson DS, Finnegan S, Jordan G, Scaife C, Brockbank S, Curry J, McAllister C, Pennington S, Dunn M, Rooney ME. Stratification and monitoring of juvenile idiopathic arthritis patients by synovial proteome analysis. J Proteome Res 2009; 8:5601-9. [PMID: 19848415 DOI: 10.1021/pr900680w] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Juvenile idiopathic arthritis (JIA) comprises a poorly understood group of chronic, childhood onset, autoimmune diseases with variable clinical outcomes. We investigated whether profiling of the synovial fluid (SF) proteome by a fluorescent dye based, two-dimensional gel (DIGE) approach could distinguish patients in whom inflammation extends to affect a large number of joints, early in the disease process. SF samples from 22 JIA patients were analyzed: 10 with oligoarticular arthritis, 5 extended oligoarticular and 7 polyarticular disease. SF samples were labeled with Cy dyes and separated by two-dimensional electrophoresis. Multivariate analyses were used to isolate a panel of proteins which distinguish patient subgroups. Proteins were identified using MALDI-TOF mass spectrometry with expression further verified by Western immunoblotting and immunohistochemistry. Hierarchical clustering based on the expression levels of a set of 40 proteins segregated the extended oligoarticular from the oligoarticular patients (p < 0.05). Expression patterns of the isolated protein panel have also been observed over time, as disease spreads to multiple joints. The data indicates that synovial fluid proteome profiles could be used to stratify patients based on risk of disease extension. These protein profiles may also assist in monitoring therapeutic responses over time and help predict joint damage.
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Affiliation(s)
- David S Gibson
- Arthritis Research Group, Microbiology Building (RVH), Queen's University Belfast, United Kingdom.
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Nabli H, Tuller E, Sharpe-Timms KL. Haptoglobin expression in endometrioid adenocarcinoma of the uterus. Reprod Sci 2009; 17:47-55. [PMID: 19801537 DOI: 10.1177/1933719109346331] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Elevated serum haptoglobin (Hp) concentrations have been reported in patients with malignant diseases. We have shown that Hp is produced by and localizes only in the stroma and not the epithelium of endometriotic lesions, which share many characteristics of carcinoma. Furthermore, Hp mRNA and protein are found exclusively in the stroma of eutopic endometrium from women with endometriosis and not those without endometriosis. We hypothesized that characteristic patterns of Hp gene expression and protein localization in endometrioid adenocarcinoma of the uterus may provide insight into the clinical utility of Hp as a tumor marker or alternative therapeutic approach. METHODS Biopsies of endometrioid adenocarcinoma tumors of the uterus and their adjacent nonaffected endometrium were collected. Normal endometrium was collected from healthy women. Haptoglobin messenger RNA (mRNA) levels were quantified by quantitative polymerase chain reaction (Q-PCR). Haptoglobin protein cell-specific localization was identified by immunohistochemistry. RESULTS Haptoglobin mRNA levels were significantly greater (P < .005) in endometrioid adenocarcinoma and adjacent nonaffected endometrial tissues than normal endometrium. No correlation was found between Hp levels and cancer stage (P = .673) or grade (P = .739). Haptoglobin protein localized in both stromal and glandular epithelial cells of endometrioid adenocarcinoma and their adjacent nonaffected tissue but not in control endometrium. CONCLUSIONS Our results have identified, for the first time, unique patterns of Hp mRNA expression and protein localization in the stromal and glandular epithelial cells of endometrioid adenocarcinoma of the uterus. We propose that this unique pattern of endometrioid adenocarcinoma Hp expression may be developed as a novel diagnostic marker. Modulation of Hp, with its immunomodulatory and angiogenic properties, may generate novel methods of prevention or treatment for endometrial cancer.
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Affiliation(s)
- Henda Nabli
- Division of Reproductive and Perinatal Research, The Department of Obstetrics and Gynecology and Women's Health, The University of Missouri-Columbia, Columbia, Missouri 65212, USA
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