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The Insulin-like Growth Factor System and Colorectal Cancer. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081274. [PMID: 36013453 PMCID: PMC9410426 DOI: 10.3390/life12081274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 11/29/2022]
Abstract
Insulin-like growth factors (IGFs) are peptides which exert mitogenic, endocrine and cytokine activities. Together with their receptors, binding proteins and associated molecules, they participate in numerous pathophysiological processes, including cancer development. Colorectal cancer (CRC) is a disease with high incidence and mortality rates worldwide, whose etiology usually represents a combination of the environmental and genetic factors. IGFs are most often increased in CRC, enabling excessive autocrine/paracrine stimulation of the cell growth. Overexpression or increased activation/accessibility of IGF receptors is a coinciding step which transmits IGF-related signals. A number of molecules and biochemical mechanisms exert modulatory effects shaping the final outcome of the IGF-stimulated processes, frequently leading to neoplastic transformation in the case of irreparable disbalance. The IGF system and related molecules and pathways which participate in the development of CRC are the focus of this review.
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Robajac D, Križáková M, Šunderić M, Miljuš G, Gemeiner P, Nedić O, Katrlík J. Lectin-Based Protein Microarray for the Glycan Analysis of Colorectal Cancer Biomarkers: The Insulin-Like Growth Factor System. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2460:207-222. [PMID: 34972939 DOI: 10.1007/978-1-0716-2148-6_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lectin-based protein microarrays are used for glycoprofiling of various kinds of biological samples. Here we describe lectin-based microarray assay in the reverse-phase format where glycoprotein samples are spotted onto microarray slide and then are incubated with set of lectins. This configuration allows high-throughput screening of a large cohort of samples by a set of lectins without need of separation of glycans from glycoproteins. We applied the described method for glycan analysis of glycoprotein biomarkers of colorectal cancer associated with the insulin-like growth factor system.
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Affiliation(s)
- Dragana Robajac
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Martina Križáková
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Miloš Šunderić
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Goran Miljuš
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Peter Gemeiner
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Olgica Nedić
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Jaroslav Katrlík
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia.
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Silencing of NAMPT leads to up-regulation of insulin receptor substrate 1 gene expression in U87 glioma cells. Endocr Regul 2020; 54:31-42. [DOI: 10.2478/enr-2020-0005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Abstract
Objective. The aim of the present study was to investigate the effect of adipokine NAMPT (nicotinamide phosphoribosyltransferase) silencing on the expression of genes encoding IRS1 (insulin receptor substrate 1) and some other proliferation related proteins in U87 glioma cells for evaluation of the possible significance of this adipokine in intergenic interactions.
Methods. The silencing of NAMPT mRNA was introduced by NAMPT specific siRNA. The expression level of NAMPT, IGFBP3, IRS1, HK2, PER2, CLU, BNIP3, TPD52, GADD45A, and MKI67 genes was studied in U87 glioma cells by quantitative polymerase chain reaction. Anti-visfatin antibody was used for detection of NAMPT protein by Western-blot analysis.
Results. It was shown that the silencing of NAMPT mRNA led to a strong down-regulation of NAMPT protein and significant modification of the expression of IRS1, IGFBP3, CLU, HK2, BNIP3, and MKI67 genes in glioma cells and a strong up-regulation of IGFBP3 and IRS1 and down-regulation of CLU, BNIP3, HK2, and MKI67 gene expressions. At the same time, no significant changes were detected in the expression of GADD45A, PER2, and TPD52 genes in glioma cells treated by siRNA specific to NAMPT. Furthermore, the silencing of NAMPT mRNA suppressed the glioma cell proliferation.
Conclusions. Results of this investigation demonstrated that silencing of NAMPT mRNA with corresponding down-regulation of NAMPT protein and suppression of the glioma cell proliferation affected the expression of IRS1 gene as well as many other genes encoding the proliferation related proteins. It is possible that dysregulation of most of the studied genes in glioma cells after silencing of NAMPT is reflected by a complex of intergenic interactions and that NAMPT is an important factor for genome stability and regulatory mechanisms contributing to the control of glioma cell metabolism and proliferation.
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Robajac D, Križáková M, Masnikosa R, Miljuš G, Šunderić M, Nedić O, Katrlík J. Sensitive glycoprofiling of insulin-like growth factor receptors isolated from colon tissue of patients with colorectal carcinoma using lectin-based protein microarray. Int J Biol Macromol 2019; 144:932-937. [PMID: 31669471 DOI: 10.1016/j.ijbiomac.2019.09.170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 02/07/2023]
Abstract
Glycosylation of cell receptors influences their function and development of tumour induces changes in glycosylation. Cell growth depends on the activation of receptors which bind growth factors and the insulin-like growth factor (IGF) receptors are among the most important ones. Usually, only small quantities of isolated receptors are available thus there is a need of suitable assay to study receptors glycosylation. Therefore, we developed a lectin-based reverse-phase protein microarray method for screening the glycosylation pattern of receptors in picomolar (pM) concentrations. The method was applied to glycoprofile IGF1 and IGF2 receptors and the solubilised membrane proteins isolated from tumour and non-tumour colon tissue of patients with colorectal cancer. We found that common to both receptors was partial overlapping of the major glycan structures with those present in the entire glycome of membrane proteins. In contrast, receptors possess higher level of α2,3 sialic acid residues and lower level of tri-/tetra-antennary complex type N-glycans and terminal mannose in high-mannose structures. Increased levels of fucosylation and branched mannose structures were observed in both receptors derived from tumour tissue compared to non-tumour tissue. The described method enabling glycan analysis of receptors has a big application potential in e.g. biomarker research, biology and diagnostics.
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Affiliation(s)
- Dragana Robajac
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Martina Križáková
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Romana Masnikosa
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Goran Miljuš
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Miloš Šunderić
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Olgica Nedić
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, Belgrade, Serbia
| | - Jaroslav Katrlík
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia.
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Anderson JR, Smagul A, Simpson D, Clegg PD, Rubio-Martinez LM, Peffers MJ. The synovial fluid proteome differentiates between septic and nonseptic articular pathologies. J Proteomics 2019; 202:103370. [PMID: 31028944 PMCID: PMC6549134 DOI: 10.1016/j.jprot.2019.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/28/2019] [Accepted: 04/22/2019] [Indexed: 12/28/2022]
Abstract
Articular conditions are common in horses and can result in loss of function, chronic pain and/or inability to work. Common conditions include osteoarthritis, osteochondrosis and synovial sepsis, which can be life-threatening, but despite the high clinical prevalence of these conditions, rapid and specific diagnosis, monitoring and prognostication remains a challenge for practicing veterinarians. Synovial fluid from a range of arthropathies was enriched for low abundance proteins using combinatorial peptide ligand ProteoMiner™ beads and analysed via liquid chromatography-tandem mass spectrometry. Changes in protein abundances were analysed using label-free quantification. Principle component analysis of differentially expressed proteins identified groupings associated with joint pathology. Findings were validated using ELISA. Lactotransferrin (LTF) abundance was increased in sepsis compared to all other groups and insulin-like growth factor-binding protein 6 (IGFBP6) abundance decreased in sepsis compared to other disease groups. Pathway analysis identified upregulation of the complement system in synovial joint sepsis and the downregulation of eukaryotic translation initiation factors and mTOR signalling pathways in both OA and OC compared to the healthy group. Overall, we have identified a catalogue of proteins which we propose to be involved in osteoarthritis, osteochondrosis and synovial sepsis pathogenesis. SIGNIFICANCE: Osteoarthritis, osteochondrosis and synovial sepsis, which can be life-threatening, are common articular conditions in which rapid and specific diagnosis, monitoring and prognostication remains a challenge for practicing veterinarians. This study has identified that the equine synovial fluid proteome exhibits distinctive profile changes between osteoarthritis, osteochondrosis, synovial sepsis and healthy joints. Elevated synovial abundance of lactotransferrin and decreased insulin-like growth factor-binding protein 6 were both found to distinguish synovial sepsis from all other study groups. Thus, these protein markers may have a future role in clinical practice to enable an earlier and reliable diagnosis of synovial sepsis.
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Affiliation(s)
- James R Anderson
- Institute of Ageing and Chronic Disease, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK.
| | - Aibek Smagul
- Institute of Ageing and Chronic Disease, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK.
| | - Deborah Simpson
- Centre for Proteome Research, Institute of Integrative Biology, Biosciences Building, Crown Street, University of Liverpool, Liverpool L69 7ZB, UK.
| | - Peter D Clegg
- Institute of Ageing and Chronic Disease, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK.
| | - Luis M Rubio-Martinez
- Department of Equine Clinical Studies, Institute of Veterinary Science, Chester High Road, Neston CH64 7TE, UK.
| | - Mandy J Peffers
- Institute of Ageing and Chronic Disease, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK.
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Estévez M, Luna C. Dietary protein oxidation: A silent threat to human health? Crit Rev Food Sci Nutr 2017; 57:3781-3793. [DOI: 10.1080/10408398.2016.1165182] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- M. Estévez
- IPROCAR Research Institute, University of Extremadura, Caceres, Spain
| | - C. Luna
- Medical Hospital, SES, Gobierno de Extremadura, Badajoz, Spain
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Miljuš G, Malenković V, Đukanović B, Kolundžić N, Nedić O. IGFBP-3/transferrin/transferrin receptor 1 complexes as principal mediators of IGFBP-3 delivery to colon cells in non-cancer and cancer tissues. Exp Mol Pathol 2015; 98:431-8. [DOI: 10.1016/j.yexmp.2015.03.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 03/27/2015] [Indexed: 02/07/2023]
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Bollineni RC, Fedorova M, Blüher M, Hoffmann R. Carbonylated plasma proteins as potential biomarkers of obesity induced type 2 diabetes mellitus. J Proteome Res 2014; 13:5081-93. [PMID: 25010493 DOI: 10.1021/pr500324y] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Protein carbonylation is a common nonenzymatic oxidative post-translational modification, which is often considered as biomarker of oxidative stress. Recent evidence links protein carbonylation also to obesity and type 2 diabetes mellitus (T2DM), though the protein targets of carbonylation in human plasma have not been identified. In this study, we profiled carbonylated proteins in plasma samples obtained from lean individuals and obese patients with or without T2DM. The plasma samples were digested with trypsin, carbonyl groups were derivatized with O-(biotinylcarbazoylmethyl)hydroxylamine, enriched by avidin affinity chromatography, and analyzed by RPC-MS/MS. Signals of potentially modified peptides were targeted in a second LC-MS/MS analysis to retrieve the peptide sequence and the modified residues. A total of 158 unique carbonylated proteins were identified, of which 52 were detected in plasma samples of all three groups. Interestingly, 36 carbonylated proteins were detected only in obese patients with T2DM, whereas 18 were detected in both nondiabetic groups. The carbonylated proteins originated mostly from liver, plasma, platelet, and endothelium. Functionally, they were mainly involved in cell adhesion, signaling, angiogenesis, and cytoskeletal remodeling. Among the identified carbonylated proteins were several candidates, such as VEGFR-2, MMP-1, argin, MKK4, and compliment C5, already connected before to diabetes, obesity and metabolic diseases.
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Affiliation(s)
- Ravi Chand Bollineni
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, ‡Center for Biotechnology and Biomedicine, and §Department of Medicine, Universität Leipzig , Deutscher Platz 5, 04103 Leipzig, Germany
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