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Dudek G, Sakowski S, Brzezińska O, Sarnik J, Budlewski T, Dragan G, Poplawska M, Poplawski T, Bijak M, Makowska J. Machine learning-based prediction of rheumatoid arthritis with development of ACPA autoantibodies in the presence of non-HLA genes polymorphisms. PLoS One 2024; 19:e0300717. [PMID: 38517871 PMCID: PMC10959370 DOI: 10.1371/journal.pone.0300717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 03/04/2024] [Indexed: 03/24/2024] Open
Abstract
Machine learning (ML) algorithms can handle complex genomic data and identify predictive patterns that may not be apparent through traditional statistical methods. They become popular tools for medical applications including prediction, diagnosis or treatment of complex diseases like rheumatoid arthritis (RA). RA is an autoimmune disease in which genetic factors play a major role. Among the most important genetic factors predisposing to the development of this disease and serving as genetic markers are HLA-DRB and non-HLA genes single nucleotide polymorphisms (SNPs). Another marker of RA is the presence of anticitrullinated peptide antibodies (ACPA) which is correlated with severity of RA. We use genetic data of SNPs in four non-HLA genes (PTPN22, STAT4, TRAF1, CD40 and PADI4) to predict the occurrence of ACPA positive RA in the Polish population. This work is a comprehensive comparative analysis, wherein we assess and juxtapose various ML classifiers. Our evaluation encompasses a range of models, including logistic regression, k-nearest neighbors, naïve Bayes, decision tree, boosted trees, multilayer perceptron, and support vector machines. The top-performing models demonstrated closely matched levels of accuracy, each distinguished by its particular strengths. Among these, we highly recommend the use of a decision tree as the foremost choice, given its exceptional performance and interpretability. The sensitivity and specificity of the ML models is about 70% that are satisfying. In addition, we introduce a novel feature importance estimation method characterized by its transparent interpretability and global optimality. This method allows us to thoroughly explore all conceivable combinations of polymorphisms, enabling us to pinpoint those possessing the highest predictive power. Taken together, these findings suggest that non-HLA SNPs allow to determine the group of individuals more prone to develop RA rheumatoid arthritis and further implement more precise preventive approach.
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Affiliation(s)
- Grzegorz Dudek
- Electrical Engineering Faculty, Czestochowa University of Technology, Czestochowa, Poland
- Faculty of Mathematics and Computer Science, University of Lodz, Lodz, Poland
- Centre for Data Analysis, Modelling and Computational Sciences, University of Lodz, Lodz, Poland
| | - Sebastian Sakowski
- Faculty of Mathematics and Computer Science, University of Lodz, Lodz, Poland
- Centre for Data Analysis, Modelling and Computational Sciences, University of Lodz, Lodz, Poland
| | - Olga Brzezińska
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
| | - Joanna Sarnik
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
| | - Tomasz Budlewski
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
| | - Grzegorz Dragan
- Department of Clinical Chemistry and Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Marta Poplawska
- Biobank, Department of Immunology and Allergy, Medical University of Lodz, Lodz, Poland
| | - Tomasz Poplawski
- Department of Pharmaceutical Microbiology and Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Joanna Makowska
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
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Jóźwiak P, Oracz J, Dziedzic A, Szelenberger R, Żyżelewicz D, Bijak M, Krześlak A. Increased O-GlcNAcylation by Upregulation of Mitochondrial O-GlcNAc Transferase (mOGT) Inhibits the Activity of Respiratory Chain Complexes and Controls Cellular Bioenergetics. Cancers (Basel) 2024; 16:1048. [PMID: 38473405 DOI: 10.3390/cancers16051048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
O-linked β-N-acetylglucosamine (O-GlcNAc) is a reversible post-translational modification involved in the regulation of cytosolic, nuclear, and mitochondrial proteins. The interplay between O-GlcNAcylation and phosphorylation is critical to control signaling pathways and maintain cellular homeostasis. The addition of O-GlcNAc moieties to target proteins is catalyzed by O-linked N-acetylglucosamine transferase (OGT). Of the three splice variants of OGT described, one is destined for the mitochondria (mOGT). Although the effects of O-GlcNAcylation on the biology of normal and cancer cells are well documented, the role of mOGT remains poorly understood. In this manuscript, the effects of mOGT on mitochondrial protein phosphorylation, electron transport chain (ETC) complex activity, and the expression of VDAC porins were investigated. We performed studies using normal and breast cancer cells with upregulated mOGT or its catalytically inactive mutant. Proteomic approaches included the isolation of O-GlcNAc-modified proteins of the electron transport chain, followed by their analysis using mass spectrometry. We found that mitochondrial OGT regulates the activity of complexes I-V of the respiratory chain and identified a group of 19 ETC components as mOGT substrates in mammary cells. Furthermore, we observed that the upregulation of mOGT inhibited the interaction of VDAC1 with hexokinase II. Our results suggest that the deregulation of mOGT reprograms cellular energy metabolism via interaction with and O-GlcNAcylation of proteins involved in ATP production in mitochondria and its exchange between mitochondria and the cytosol.
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Affiliation(s)
- Paweł Jóźwiak
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
| | - Joanna Oracz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland
| | - Angela Dziedzic
- Department of General Biochemistry, Institute of Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
| | - Rafał Szelenberger
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
| | - Dorota Żyżelewicz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
| | - Anna Krześlak
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
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3
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Wigner-Jeziorska P, Grębowski R, Saluk J, Bijak M, Szemraj J. Polymorphic variations and mRNA expression of the genes encoding interleukins as well as enzymes of oxidative and nitrative stresses as a potential risk of nephrolithiasis development. PLoS One 2023; 18:e0293280. [PMID: 37878647 PMCID: PMC10599546 DOI: 10.1371/journal.pone.0293280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/10/2023] [Indexed: 10/27/2023] Open
Abstract
Urolithiasis is one of the most common urological diseases worldwide with an unclear aetiology. However, a growing body of evidence suggests the potential role of molecular disturbances of the inflammation as well as oxidative and nitrative stresses, in the pathogenesis of urolithiasis. Therefore, we aimed to detect the potential association between six selected single-nucleotide polymorphisms (SNPs) and the development of nephrolithiasis. Moreover, we verified the association of urolithiasis development and mRNA expression of IL-6, IL-8, SOD2, and NOS2 in peripheral blood mononuclear cells (PBMCs). Total genomic DNA and mRNA were isolated from the peripheral blood of 112 patients with urolithiasis and 114 healthy subjects. Using Taq-Man® probes, we genotyped the following SNPs: rs1800797 and rs2069845 in IL-6, rs2227307 in IL-8, rs4880 in SOD2, rs2297518 and rs2779249 in NOS2. In turn, the evaluation of mRNA expression was performed using real-time PCR and 2-ΔCt methods. We found that the C/T genotype of the c.47 T>C-SOD2 SNP increased the frequency of urolithiasis occurrence whereas the T/T homozygote of the same polymorphism decreased the risk of urolithiasis development in the Polish population. Moreover, our study confirmed that patients with urolithiasis were characterised by decreased IL-6, IL-8, and SOD2 mRNA expression levels compared to the controls. In conclusion, our results suggest that polymorphic variants and changes in mRNA expression of IL-6, IL8, SOD2, and NOS2 may be involved in the pathophysiology of urolithiasis.
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Affiliation(s)
- Paulina Wigner-Jeziorska
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Radosław Grębowski
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
- Department of Urology, Provincial Integrated Hospital in Płock, Plock, Poland
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
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Czarny P, Ziółkowska S, Kołodziej Ł, Watała C, Wigner-Jeziorska P, Bliźniewska-Kowalska K, Wachowska K, Gałecka M, Synowiec E, Gałecki P, Bijak M, Szemraj J, Śliwiński T. Single-Nucleotide Polymorphisms in Genes Maintaining the Stability of Mitochondrial DNA Affect the Occurrence, Onset, Severity and Treatment of Major Depressive Disorder. Int J Mol Sci 2023; 24:14752. [PMID: 37834200 PMCID: PMC10573273 DOI: 10.3390/ijms241914752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
One of the key features of major depressive disorder (MDD, depression) is increased oxidative stress manifested by elevated levels of mtROS, a hallmark of mitochondrial dysfunction, which can arise from mitochondrial DNA (mtDNA) damage. Thus, the current study explores possibility that the single-nucleotide polymorphisms (SNPs) of genes encoding the three enzymes that are thought to be implicated in the replication, repair or degradation of mtDNA, i.e., POLG, ENDOG and EXOG, have an impact on the occurrence, onset, severity and treatment of MDD. Five SNPs were selected: EXOG c.-188T > G (rs9838614), EXOG c.*627G > A (rs1065800), POLG c.-1370T > A (rs1054875), ENDOG c.-394T > C (rs2977998) and ENDOG c.-220C > T (rs2997922), while genotyping was performed on 538 DNA samples (277 cases and 261 controls) using TaqMan probes. All SNPs of EXOG and ENDOG modulated the risk of depression, but the strongest effect was observed for rs1065800, while rs9838614 and rs2977998 indicate that they might influence the severity of symptoms, and, to a lesser extent, treatment effectiveness. Although the SNP located in POLG did not affect occurrence of the disease, the result suggests that it may influence the onset and treatment outcome. These findings further support the hypothesis that mtDNA damage and impairment in its metabolism play a crucial role not only in the development, but also in the treatment of depression.
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Affiliation(s)
- Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland; (S.Z.); (J.S.)
| | - Sylwia Ziółkowska
- Department of Medical Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland; (S.Z.); (J.S.)
| | - Łukasz Kołodziej
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 92-215 Lodz, Poland; (Ł.K.)
| | - Cezary Watała
- Department of Haemostatic Disorders, Medical University of Lodz, 92-215 Lodz, Poland;
| | - Paulina Wigner-Jeziorska
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
| | | | - Katarzyna Wachowska
- Department of Adult Psychiatry, Medical University of Lodz, 91-229 Lodz, Poland; (K.B.-K.); (K.W.); (P.G.)
| | - Małgorzata Gałecka
- Department of Psychotherapy, Medical University of Lodz, 91-229 Lodz, Poland;
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 92-215 Lodz, Poland; (Ł.K.)
| | - Piotr Gałecki
- Department of Adult Psychiatry, Medical University of Lodz, 91-229 Lodz, Poland; (K.B.-K.); (K.W.); (P.G.)
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland; (S.Z.); (J.S.)
| | - Tomasz Śliwiński
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 92-215 Lodz, Poland; (Ł.K.)
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Więckowska M, Szelenberger R, Niemcewicz M, Harmata P, Poplawski T, Bijak M. Ochratoxin A-The Current Knowledge Concerning Hepatotoxicity, Mode of Action and Possible Prevention. Molecules 2023; 28:6617. [PMID: 37764392 PMCID: PMC10534339 DOI: 10.3390/molecules28186617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/10/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Ochratoxin A (OTA) is considered as the most toxic of the other ochratoxins synthesized by various fungal species belonging to the Aspergillus and Penicillium families. OTA commonly contaminates food and beverages, resulting in animal and human health issues. The toxicity of OTA is known to cause liver damage and is still being researched. However, current findings do not provide clear insights into the toxin mechanism of action. The current studies focusing on the use of potentially protective compounds against the effects of the toxin are insufficient as they are mainly conducted on animals. Further research is required to fill the existing gaps in both fields (namely the exact OTA molecular mechanism and the prevention of its toxicity in the human liver). This review article is a summary of the so far obtained results of studies focusing on the OTA hepatotoxicity, its mode of action, and the known approaches of liver cells protection, which may be the base for expanding other research in near future.
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Affiliation(s)
- Magdalena Więckowska
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (M.W.); (R.S.); (M.N.)
| | - Rafał Szelenberger
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (M.W.); (R.S.); (M.N.)
| | - Marcin Niemcewicz
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (M.W.); (R.S.); (M.N.)
| | - Piotr Harmata
- Faculty of Advanced Technologies and Chemistry, Military University of Technology, 2 gen. S. Kaliskiego St., 00-908 Warsaw, Poland;
| | - Tomasz Poplawski
- Department of Pharmaceutical Microbiology and Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland;
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (M.W.); (R.S.); (M.N.)
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Grębowski R, Saluk J, Bijak M, Szemraj J, Wigner-Jeziorska P. The role of SOD2 and NOS2 genes in the molecular aspect of bladder cancer pathophysiology. Sci Rep 2023; 13:14491. [PMID: 37660159 PMCID: PMC10475080 DOI: 10.1038/s41598-023-41752-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 08/31/2023] [Indexed: 09/04/2023] Open
Abstract
Bladder cancer (BC) is a severe health problem of the genitourinary system and is characterised by a high risk of recurrence. According to the recent GLOBOCAN report, bladder cancer accounts for 3% of diagnosed cancers in the world, taking 10th place on the list of the most common cancers. Despite numerous studies, the full mechanism of BC development remains unknown. Nevertheless, precious results suggest a crucial role of oxidative stress in the development of BC. Therefore, this study explores whether the c. 47 C > T (rs4880)-SOD2, (c. 1823 C > T (rs2297518) and g.-1026 C > A (rs2779249)-NOS2(iNOS) polymorphisms are associated with BC occurrence and whether the bladder carcinogenesis induces changes in SOD2 and NOS2 expression and methylation status in peripheral blood mononuclear cells (PBMCs). In this aim, the TaqMan SNP genotyping assay, TaqMan Gene Expression Assay, and methylation-sensitive high-resolution melting techniques were used to genotype profiling and evaluate the expression of the genes and the methylation status of their promoters, respectively. Our findings confirm that heterozygote of the g.-1026 C > A SNP was associated with a decreased risk of BC. Moreover, we detected that BC development influenced the expression level and methylation status of the promoter region of investigated genes in PBMCs. Concluding, our results confirmed that oxidative stress, especially NOS2 polymorphisms and changes in the expression and methylation of the promoters of SOD2 and NOS2 are involved in the cancer transformation initiation of the cell urinary bladder.
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Affiliation(s)
- Radosław Grębowski
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland, Mazowiecka 6/8, 90-001
- Department of Urology, Provincial Integrated Hospital in Plock, Plock, Poland, Medyczna 19, 09-400
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland, Pomorska 141/143, 90-236
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland, Pomorska 141/143, 90-236
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland, Mazowiecka 6/8, 90-001
| | - Paulina Wigner-Jeziorska
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland, Pomorska 141/143, 90-236.
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7
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Grębowski R, Saluk J, Bijak M, Szemraj J, Wigner P. Variability, Expression, and Methylation of IL-6 and IL-8 Genes in Bladder Cancer Pathophysiology. Int J Mol Sci 2023; 24:ijms24076266. [PMID: 37047238 PMCID: PMC10093978 DOI: 10.3390/ijms24076266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/23/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
Bladder cancer (BC) is the 10th most common form of cancer globally, but its complete aetiology is still unknown. Nevertheless, there is evidence that chronic inflammation plays a role in the development and progression of BC. Therefore, the presented study aimed to detect a potential association between selected single nucleotide polymorphisms (SNPs)—rs1800797 and rs2069845 in IL-6 and rs2227307 in IL-8—and BC development, as well as to identify the impact of BC on the level of expression and methylation of IL-6 and IL-8 promoters in PBMCs with the use of the TaqMan SNP genotyping assay, TaqMan gene expression assay, and methylation-sensitive high-resolution melting techniques. We did not find any association between the genotypes and combined genotypes of all studied polymorphisms and the occurrence of BC. However, we found that BC patients were characterised by decreased IL-6 and IL-8 mRNA expression levels compared to the controls. Additionally, the methylation status of the IL-6 promoter was higher in controls than in BC patients. Our findings suggest that inflammation may be involved in the development and progression of BC.
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Szelenberger R, Jóźwiak P, Kacprzak M, Bijak M, Zielińska M, Olender A, Saluk-Bijak J. Variations in Blood Platelet Proteome and Transcriptome Revealed Altered Expression of Transgelin-2 in Acute Coronary Syndrome Patients. Int J Mol Sci 2022; 23:ijms23116340. [PMID: 35683019 PMCID: PMC9181388 DOI: 10.3390/ijms23116340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 05/31/2022] [Accepted: 06/04/2022] [Indexed: 02/05/2023] Open
Abstract
Proteomic analyses based on mass spectrometry provide a powerful tool for the simultaneous identification of proteins and their signatures. Disorders detection at the molecular level delivers an immense impact for a better understanding of the pathogenesis and etiology of various diseases. Acute coronary syndrome (ACS) refers to a group of heart diseases generally associated with rupture of an atherosclerotic plaque and partial or complete thrombotic obstruction of the blood flow in the infarct-related coronary artery. The essential role in the pathogenesis of ACS is related to the abnormal, pathological activation of blood platelets. The multifactorial and complex character of ACS indicates the need to explain the molecular mechanisms responsible for thrombosis. In our study, we performed screening and comparative analysis of platelet proteome from ACS patients and healthy donors. Two-dimensional fluorescence difference gel electrophoresis and nanoscale liquid chromatography coupled to tandem mass spectrometry showed altered expressions of six proteins (i.e., vinculin, transgelin-2, fibrinogen β and γ chains, apolipoprotein a1, and tubulin β), with the overlapping increased expression at the mRNA level for transgelin-2. Dysregulation in protein expression identified in our study may be associated with an increased risk of thrombotic events, correlated with a higher aggregability of blood platelets and induced shape change, thus explaining the phenomenon of the hyperreactivity of blood platelets in ACS.
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Affiliation(s)
- Rafał Szelenberger
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
- Correspondence:
| | - Paweł Jóźwiak
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Michał Kacprzak
- Department of Interventional Cardiology, Medical University of Lodz, 91-213 Lodz, Poland; (M.K.); (M.Z.)
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Marzenna Zielińska
- Department of Interventional Cardiology, Medical University of Lodz, 91-213 Lodz, Poland; (M.K.); (M.Z.)
| | - Alina Olender
- Chair and Department of Medical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
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Szelenberger R, Karbownik MS, Kacprzak M, Synowiec E, Michlewska S, Bijak M, Zielińska M, Olender A, Saluk-Bijak J. Dysregulation in the Expression of Platelet Surface Receptors in Acute Coronary Syndrome Patients-Emphasis on P2Y12. Biology (Basel) 2022; 11:biology11050644. [PMID: 35625372 PMCID: PMC9138357 DOI: 10.3390/biology11050644] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 02/05/2023]
Abstract
The pathological conditions caused by blood platelet activation constitute a fundamental core in the pathogenesis of Acute Coronary Syndrome (ACS). The hyperactivity of platelets in ACS is well-documented, but there is still little research into the molecular basis of phenotypic changes in platelet functionality. To expand the knowledge of this phenomenon, we analyzed the disturbances in the expression of several key platelet receptors and the aspect of regulating potential abnormalities. Platelet surface receptors are responsible for maintaining the hemostatic balance, platelet interaction with immune cells, and support of the coagulation cascade leading to occlusion of the vessel lumen. Due to their prominent role, platelet receptors constitute a major target in pharmacological treatment. Our work aimed to identify the molecular alteration of platelet surface receptors, which showed augmented mRNA expression of P2Y12, GP1BB, ITGA2B, and ITGB3 and increased protein concentrations of P2Y12 and GP IIb/IIIa in ACS. The upregulation of the P2Y12 level was also confirmed by confocal and cytometric visualization. Furthermore, we evaluated the expression of two microRNAs: miR-223-3p and miR-126-3p, which were suggested to regulate platelet P2Y12 expression. Results of our study present new insight into the molecular background of ACS.
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Affiliation(s)
- Rafał Szelenberger
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
- Correspondence:
| | | | - Michał Kacprzak
- Department of Interventional Cardiology, Medical University of Lodz, 91-213 Lodz, Poland; (M.K.); (M.Z.)
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Sylwia Michlewska
- Laboratory of Microscopic Imaging and Specialized Biological Techniques, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland;
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Marzenna Zielińska
- Department of Interventional Cardiology, Medical University of Lodz, 91-213 Lodz, Poland; (M.K.); (M.Z.)
| | - Alina Olender
- Chair and Department of Medical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
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Kowalczyk T, Merecz-Sadowska A, Rijo P, Mori M, Hatziantoniou S, Górski K, Szemraj J, Piekarski J, Śliwiński T, Bijak M, Sitarek P. Hidden in Plants—A Review of the Anticancer Potential of the Solanaceae Family in In Vitro and In Vivo Studies. Cancers (Basel) 2022; 14:cancers14061455. [PMID: 35326606 PMCID: PMC8946528 DOI: 10.3390/cancers14061455] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/01/2022] [Accepted: 03/09/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary The Solanaceae family is one of the most important arable and economic families in the world. In addition, it includes a wide range of valuable active secondary metabolites of species with biological and medical properties. This literature review focuses on the assessment of the anticancer properties of the extracts and pure compounds, and the synergistic effects with chemotherapeutic agents and nanoparticles from various species of the Solanaceae family, as well as their potential molecular mechanisms of action in in vitro and in vivo studies in various types of tumours. Abstract Many of the anticancer agents that are currently in use demonstrate severe side effects and encounter increasing resistance from the target cancer cells. Thus, despite significant advances in cancer therapy in recent decades, there is still a need to discover and develop new, alternative anticancer agents. The plant kingdom contains a range of phytochemicals that play important roles in the prevention and treatment of many diseases. The Solanaceae family is widely used in the treatment of various diseases, including cancer, due to its bioactive ingredient content. The purpose of this literature review is to highlight the antitumour activity of Solanaceae extracts—single isolated compounds and nanoparticles with extracts—and their synergistic effect with chemotherapeutic agents in various in vitro and in vivo cancer models. In addition, the biological properties of many plants of the Solanaceae family have not yet been investigated, which represents a challenge and an opportunity for future anticancer therapy.
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Affiliation(s)
- Tomasz Kowalczyk
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland;
| | - Anna Merecz-Sadowska
- Department of Computer Science in Economics, University of Lodz, 90-214 Lodz, Poland;
| | - Patricia Rijo
- CBIOS—Research Center for Biosciences & Health Technologies, Universidade Lusófona de Humanidades e Tecnologias, 1749-024 Lisbon, Portugal;
- iMed.ULisboa—Research Institute for Medicines, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Mattia Mori
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy;
| | - Sophia Hatziantoniou
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece;
| | - Karol Górski
- Department of Clinical Pharmacology, Medical University of Lodz, 90-151 Lodz, Poland;
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland;
| | - Janusz Piekarski
- Department of Surgical Oncology, Chair of Oncology, Medical University in Lodz, Nicolaus Copernicus Multidisciplinary Centre for Oncology and Traumatology, 93-513 Lodz, Poland;
| | - Tomasz Śliwiński
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Przemysław Sitarek
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, 90-151 Lodz, Poland
- Correspondence:
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Wigner P, Bijak M, Saluk-Bijak J. Probiotics in the Prevention of the Calcium Oxalate Urolithiasis. Cells 2022; 11:cells11020284. [PMID: 35053400 PMCID: PMC8773937 DOI: 10.3390/cells11020284] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 12/18/2022] Open
Abstract
Nephrolithiasis ranks third among urological diseases in terms of prevalence, making up about 15% of cases. The continued increase in the incidence of nephrolithiasis is most probably due to changes in eating habits (high protein, sodium, and sugar diets) and lifestyle (reduced physical activity) in all developed countries. Some 80% of all kidney stones cases are oxalate urolithiasis, which is also characterized by the highest risk of recurrence. Frequent relapses of nephrolithiasis contribute to severe complications and high treatment costs. Unfortunately, there is no known effective way to prevent urolithiasis at present. In cases of diet-related urolithiasis, dietary changes may prevent recurrence. However, in some patients, the condition is unrelated to diet; in such cases, there is evidence to support the use of stone-related medications. Interestingly, a growing body of evidence indicates the potential of the microbiome to reduce the risk of developing renal colic. Previous studies have primarily focused on the use of Oxalobacterformigenes in patients with urolithiasis. Unfortunately, this bacterium is not an ideal probiotic due to its antibiotic sensitivity and low pH. Therefore, subsequent studies sought to find bacteria which are capable of oxalate degradation, focusing on well-known probiotics including Lactobacillus and Bifidobacterium strains, Eubacterium lentum, Enterococcus faecalis, and Escherichia coli.
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Affiliation(s)
- Paulina Wigner
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
- Correspondence:
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
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Wigner P, Szymańska B, Bijak M, Sawicka E, Kowal P, Marchewka Z, Saluk-Bijak J. Oxidative stress parameters as biomarkers of bladder cancer development and progression. Sci Rep 2021; 11:15134. [PMID: 34302052 PMCID: PMC8302678 DOI: 10.1038/s41598-021-94729-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/09/2021] [Indexed: 12/09/2022] Open
Abstract
The epidemiological studies confirm that the overproduction of free radical is an important factor of cancer induction as well as development, and loss of antioxidant systems efficiency is associated with an increased risk of carcinogenesis. While bladder cancer is the fourth most common type of cancer all over the world, there is little evidence of the advancing changes in oxidative/nitrative stress during the progression of bladder cancer. Our study aimed to investigate the plasma levels of typical markers of oxidative/nitrative stress depending on the clinical classification of bladder cancer differentiation and infiltration degree. We examined 40 patients with newly diagnosed bladder cancer and 20 healthy volunteers as a control group. We analysed the plasma levels of protein carbonyls, thiol groups, 3-nitrotyrosine, lipid peroxidation, as well as non-enzymatic plasma antioxidant capacity using DPPH· and ABTS·+ radicals. We confirmed that all analysed biomarkers are higher in enrolled BC patients than in healthy subjects. Furthermore, our findings demonstrate a positive correlation between the degree of bladder cancer progression and the level of oxidative stress, but no correlation in the case of NT-3. Based on obtained results, we might conclude that during carcinogenesis of the bladder increased oxidative damage of biomolecules is manifested. This indicates the participation of oxidative stress in the development of bladder cancer, and it is important the ensure the proper antioxidant protection.
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Affiliation(s)
- Paulina Wigner
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland.
| | - Beata Szymańska
- Department of Toxicology, Faculty of Pharmacy and Division of Laboratory, Wroclaw Medical University, Borowska 211, 50-556, Wrocław, Poland
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-136, Lodz, Poland
| | - Ewa Sawicka
- Department of Toxicology, Faculty of Pharmacy and Division of Laboratory, Wroclaw Medical University, Borowska 211, 50-556, Wrocław, Poland
| | - Paweł Kowal
- Department and Clinic of Urology and Urological Oncology, Faculty of Postgraduate Medical Training, Wroclaw Medical University, Kamieńskiego 73a, 51-124, Wrocław, Poland
| | - Zofia Marchewka
- Department of Toxicology, Faculty of Pharmacy and Division of Laboratory, Wroclaw Medical University, Borowska 211, 50-556, Wrocław, Poland
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
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Wigner P, Grębowski R, Bijak M, Saluk-Bijak J, Szemraj J. The Interplay between Oxidative Stress, Inflammation and Angiogenesis in Bladder Cancer Development. Int J Mol Sci 2021; 22:ijms22094483. [PMID: 33923108 PMCID: PMC8123426 DOI: 10.3390/ijms22094483] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/18/2021] [Accepted: 04/22/2021] [Indexed: 02/07/2023] Open
Abstract
In 2018, 550,000 people were diagnosed with bladder cancer (BC), of which nearly 200,000 people died. Moreover, men are 4 times more likely than women to be diagnosed with BC. The risk factors include exposure to environmental and occupational chemicals, especially tobacco smoke, benzidine and genetic factors. Despite numerous studies, the molecular basis of BC development remains unclear. A growing body of evidence suggests that inflammation, oxidant-antioxidant imbalance and angiogenesis disorders may play a significant role in the development and progression of bladder cancer. The patients with bladder cancer were characterised by an increased level of reactive oxygen species (ROS), the products of lipid peroxidation, proinflammatory cytokines and proangiogenic factors as compared to controls. Furthermore, it was shown that polymorphisms localised in genes associated with these pathways may modulate the risk of BC. Interestingly, ROS overproduction may induce the production of proinflammatory cytokines, which finally activated angiogenesis. Moreover, the available literature shows that both inflammation and oxidative stress may lead to activation of angiogenesis and tumour progression in BC patients.
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Affiliation(s)
- Paulina Wigner
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
- Correspondence: ; Tel.: +48-42-635-44-85; Fax: +48-42-635-44-84
| | - Radosław Grębowski
- Department of Urology, Provincial Integrated Hospital in Plock, 09-400 Plock, Poland;
- Department of Medical Biochemistry, Medical University of Lodz, 92-216 Lodz, Poland;
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, 92-216 Lodz, Poland;
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Wigner P, Synowiec E, Jóźwiak P, Czarny P, Bijak M, Białek K, Szemraj J, Gruca P, Papp M, Śliwiński T. The Effect of Chronic Mild Stress and Escitalopram on the Expression and Methylation Levels of Genes Involved in the Oxidative and Nitrosative Stresses as Well as Tryptophan Catabolites Pathway in the Blood and Brain Structures. Int J Mol Sci 2020; 22:ijms22010010. [PMID: 33374959 PMCID: PMC7792593 DOI: 10.3390/ijms22010010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/02/2020] [Accepted: 12/18/2020] [Indexed: 02/07/2023] Open
Abstract
Previous studies suggest that depression may be associated with reactive oxygen species overproduction and disorders of the tryptophan catabolites pathway. Moreover, one-third of patients do not respond to conventional pharmacotherapy. Therefore, the study investigates the molecular effect of escitalopram on the expression of Cat, Gpx1/4, Nos1/2, Tph1/2, Ido1, Kmo, and Kynu and promoter methylation in the hippocampus, amygdala, cerebral cortex, and blood of rats exposed to CMS (chronic mild stress). The animals were exposed to CMS for two or seven weeks followed by escitalopram treatment for five weeks. The mRNA and protein expression of the genes were analysed using the TaqMan Gene Expression Assay and Western blotting, while the methylation was determined using methylation-sensitive high-resolution melting. The CMS caused an increase of Gpx1 and Nos1 mRNA expression in the hippocampus, which was normalised by escitalopram administration. Moreover, Tph1 and Tph2 mRNA expression in the cerebral cortex was increased in stressed rats after escitalopram therapy. The methylation status of the Cat promoter was decreased in the hippocampus and cerebral cortex of the rats after escitalopram therapy. The Gpx4 protein levels were decreased following escitalopram compared to the stressed/saline group. It appears that CMS and escitalopram influence the expression and methylation of the studied genes.
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Affiliation(s)
- Paulina Wigner
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (P.W.); (E.S.); (K.B.)
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (P.W.); (E.S.); (K.B.)
| | - Paweł Jóźwiak
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
| | - Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, 90-647 Lodz, Poland; (P.C.); (J.S.)
| | - Michał Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland;
| | - Katarzyna Białek
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (P.W.); (E.S.); (K.B.)
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, 90-647 Lodz, Poland; (P.C.); (J.S.)
| | - Piotr Gruca
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Krakow, Poland; (P.G.); (M.P.)
| | - Mariusz Papp
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Krakow, Poland; (P.G.); (M.P.)
| | - Tomasz Śliwiński
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (P.W.); (E.S.); (K.B.)
- Correspondence: ; Tel.: +48-42-635-44-86; Fax: +48-42-635-44-84
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15
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Wigner P, Synowiec E, Jóźwiak P, Czarny P, Bijak M, Białek K, Szemraj J, Gruca P, Papp M, Śliwiński T. The Effect of Chronic Mild Stress and Venlafaxine on the Expression and Methylation Levels of Genes Involved in the Tryptophan Catabolites Pathway in the Blood and Brain Structures of Rats. J Mol Neurosci 2020; 70:1425-1436. [PMID: 32406039 PMCID: PMC7399689 DOI: 10.1007/s12031-020-01563-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/22/2020] [Indexed: 12/21/2022]
Abstract
A growing body of evidence suggests that depression may be associated with impairment of the tryptophan catabolites (TRYCATs) pathway. The present study investigated the effects of the chronic administration of venlafaxine on the expression and methylation status of Katl, Tph1/2, Ido1, Kmo and Kynu in the brain and blood of rats exposed to the CMS model of depression. The rats were subjected to the CMS procedure for 2 or 7 weeks and administered venlafaxine (10 mg/kg/day, IP) for 5 weeks. mRNA and protein expression and the methylation status of gene promoters in PBMCs and six brain structures were evaluated and analysed using the TaqMan Gene Expression Assay and Western blotting, and methylation-sensitive high-resolution melting (MS-HRM), respectively. We found that the CMS procedure increased KatI expression in the midbrain and KatII expression in the midbrain and the amygdala, while venlafaxine administration decreased KatII expression in the hypothalamus and the cerebral cortex. The methylation status of the Tph1 and Kmo promoters in peripheral blood mononuclear cells (PBMCs) was significantly increased in the stressed group after antidepressant therapy. The protein levels of Tph1 and Ido1 were decreased following venlafaxine administration. Our results confirmed that CMS and venlafaxine modulate the expression levels and methylation status of genes involved in the TRYCATs pathway.
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Affiliation(s)
- Paulina Wigner
- Faculty of Biology and Environmental Protection, Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Ewelina Synowiec
- Faculty of Biology and Environmental Protection, Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Paweł Jóźwiak
- Faculty of Biology and Environmental Protection, Department of Cytobiochemistry, University of Lodz, Lodz, Poland
| | - Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Michał Bijak
- Faculty of Biology and Environmental Protection, Department of General Biochemistry, University of Lodz, Lodz, Poland
| | - Katarzyna Białek
- Faculty of Biology and Environmental Protection, Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Piotr Gruca
- Polish Academy of Sciences, Institute of Pharmacology, Krakow, Poland
| | - Mariusz Papp
- Polish Academy of Sciences, Institute of Pharmacology, Krakow, Poland
| | - Tomasz Śliwiński
- Faculty of Biology and Environmental Protection, Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland.
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Abstract
Neurodegenerative diseases are an increasing problem in the modern world. Multiple sclerosis (MS) is a major human demyelinating and degenerative disease of the central nervous system (CNS). There are many reports that point to the significant role of platelet-leukocyte interaction in neurodegenerative diseases and cardiovascular disturbances. Epidemiological studies confirm the high risk of cardiovascular diseases in patients with MS. The pathophysiology mechanisms of this multi-component disease are very complex and involve various types of cells. There is increasing evidence that some co-stimulatory pathways affect the function of inflammatory cells, both in the periphery and in the CNS. Interactions of leukocytes and endothelial cells (ECs) could be significantly modulated in the presence of activated blood platelets. The supposed role of activated platelets in the development of vessel inflammatory response is due to their ability to adhere to inflamed ECs or proteins included in the subendothelial layer of the blood vessel wall, as well as to the ability of platelets to form aggregates with leukocytes. Blood platelets are able to directly activate leukocytes through a receptor-dependent mechanism or, indirectly, by biologically active compounds secreted from their granules. Cell-cell interactions provide critical mechanisms by which platelets link thrombosis, inflammation and related processes, such as diapedesis and leukocyte infiltration, to the affected vessel. Determining the relationship between platelet-leukocyte interactions and the development of neuroinflammation in the course of MS may provide new therapeutic targets in the future.
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Affiliation(s)
- Angela Dziedzic
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
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Tomczyńska M, Salata I, Bijak M, Saluk‐Bijak J. The potential contribution and role of a blood platelets in autoimmune thyroid diseases. J Cell Mol Med 2018; 22:6386-6390. [PMID: 30188609 PMCID: PMC6237575 DOI: 10.1111/jcmm.13862] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 04/16/2018] [Accepted: 07/20/2018] [Indexed: 02/06/2023] Open
Abstract
The blood platelets are multifunctional blood cells which are involved in the initiation of atheroma, endothelial dysfunction, and modulation of inflammatory and immune responses in the pathophysiology of many diseases. Because of their multifaceted pro-inflammatory activity, platelets may be involved in the pathogenesis of autoimmune thyroid diseases (AITDs), such as Hashimoto's thyroiditis and Graves' disease. The aim of this study was to assess the level of activation and response ability of platelets in AITDs. We used the flow cytometry technique and kinetic measurement of aggregation to analyse platelet function immediately after blood collection and to demonstrate their activation in the circulation of patients with AITDs. We noted reorganization of platelet subpopulations (normal platelets, microparticles and aggregates) in AITDs, dependent on the degree of cell activation. We proved the elevated expression of the active form of integrin receptor GPIIb/IIIa, responsible for platelet aggregation, and in the kinetic test we confirmed the increased aggregation of platelets in different intracellular signal pathways (dependent on ADP, collagen, arachidonic acid). Our study demonstrates the high platelet activation level found in AITDs.
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Affiliation(s)
- Małgorzata Tomczyńska
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | | | - Michał Bijak
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | - Joanna Saluk‐Bijak
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
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Cichoń N, Bijak M, Czarny P, Miller E, Synowiec E, Sliwinski T, Saluk-Bijak J. Increase in Blood Levels of Growth Factors Involved in the Neuroplasticity Process by Using an Extremely Low Frequency Electromagnetic Field in Post-stroke Patients. Front Aging Neurosci 2018; 10:294. [PMID: 30319398 PMCID: PMC6168626 DOI: 10.3389/fnagi.2018.00294] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 09/06/2018] [Indexed: 12/18/2022] Open
Abstract
Background: Neuroplasticity ensures the improvement of functional status in patients after stroke. The aim of this study was to evaluate the effect of extremely low-frequency electromagnetic field therapy (ELF-EMF) on brain plasticity in the rehabilitation of patients after stroke. Methods: Forty-eight patients were divided into two groups underwent the same rehabilitation program, but in the study group, the patients additionally were exposed to a standard series of 10 ELF-EMF treatments. To determine the level of neuroplasticity, we measured the plasma level of the brain-derived neurotrophic factor (BDNF), the vascular-endothelial growth factor, as well as BDNF mRNA expression. Additionally, we determined the molecule levels for hepatocyte growth factor, stem cell factor, stromal cell-derived factor 1α, nerve growth factor β, and leukemia inhibitory factor, using 5plex cytokine panel in plasma. After 4 weeks, during which patients had undergone neurorehabilitation and neurological examinations, we assessed functional recovery using the Barthel Index, Mini-Mental State Examination (MMSE), Geriatric Depression Scale, National Institutes of Health Stroke Scale (NIHSS), and the modified Rankin Scale (mRS). Results: We observed that ELF-EMF significantly increased growth factors and cytokine levels involved in neuroplasticity, as well as promoted an enhancement of functional recovery in post-stroke patients. Additionally, we presented evidence that these effects could be related to the increase of gene expression on the mRNA level. Moreover, a change of BDNF plasma level was positively correlated with the Barthel Index, MMSE, and negatively correlated with GDS. Conclusion: Extremely low-frequency electromagnetic field therapy improves the effectiveness of rehabilitation of post-stroke patients by improving neuroplasticity processes.
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Affiliation(s)
- Natalia Cichoń
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
| | - Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, Łódź, Poland
| | - Elżbieta Miller
- Department of Physical Medicine, Medical University of Lodz, Łódź, Poland.,Neurorehabilitation Ward, III General Hospital in Lodz, Łódź, Poland
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
| | - Tomasz Sliwinski
- Laboratory of Medical Genetics, Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
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Cichoń N, Rzeźnicka P, Bijak M, Miller E, Miller S, Saluk J. Extremely low frequency electromagnetic field reduces oxidative stress during the rehabilitation of post-acute stroke patients. ADV CLIN EXP MED 2018; 27:1285-1293. [PMID: 30024661 DOI: 10.17219/acem/73699] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND One of the therapeutic methods used in stroke rehabilitation is magnetotherapy using extremely low frequency and variable pulse shape electromagnetic field (ELF-EMF). OBJECTIVES The aim of our study was to investigate the effect of magnetotherapy on the condition of postacute stroke patients, as measured by plasma oxidative stress markers and clinical parameters which show the progress of rehabilitation. MATERIAL AND METHODS The selected 57 post-stroke patients were divided into 2 groups, those with ELFEMF therapy and those without. The level of oxidative stress in the plasma was estimated by typical markers: thiobarbituric acid reactive substances (TBARS), thiol groups, and carbonyl groups. The effect of ELF-EMF on the course of the patients' rehabilitation following ischemic stroke was evaluated with the use of scales of physical activity and mental state: Activities of Daily Living (ADL), Mini-Mental State Examination (MMSE) and Geriatric Depression Scale (GDS). RESULTS Our comparative analysis showed that all parameters of oxidative stress are significantly reduced during rehabilitation using ELF-EMF, compared to the control group rehabilitated only by kinesiotherapy. We also recorded much higher therapeutic benefits using magnetotherapy, which revealed a significant improvement of clinimetric parameters. CONCLUSIONS The ELF-EMF therapy meaningfully improves the overall condition of patients through a decrease of oxidative stress markers and it significantly affects the psychophysical abilities of patients after stroke. The change in carbonyl group level correlates with the change in the degree of physical and mental disability; therefore, it could be a marker for the effectiveness of rehabilitation.
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Affiliation(s)
- Natalia Cichoń
- Department of General Biochemistry, University of Lodz, Poland
| | | | - Michał Bijak
- Department of General Biochemistry, University of Lodz, Poland
| | - Elżbieta Miller
- Department of Physical Medicine, Medical University of Lodz, Poland
- Neurorehabilitation Ward, III General Hospital in Lodz, Poland
| | - Sergiusz Miller
- Department of Orthodontics, Medical University of Lodz, Poland
| | - Joanna Saluk
- Department of General Biochemistry, University of Lodz, Poland
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Wigner P, Czarny P, Synowiec E, Bijak M, Talarowska M, Galecki P, Szemraj J, Sliwinski T. Variation of genes encoding KAT1, AADAT and IDO1 as a potential risk of depression development. Eur Psychiatry 2018; 52:95-103. [PMID: 29777939 DOI: 10.1016/j.eurpsy.2018.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/30/2018] [Accepted: 05/02/2018] [Indexed: 12/18/2022] Open
Abstract
Numerous data suggests that the disorders of tryptophan catabolites (TRYCATs) pathway, including a decreased level of tryptophan or evaluated concentration of harmful TRYCATs -kynurenine, quinolinic acid, 3-hydroxyanthranilic acid, 3-hydroxytryptophan - may cause the occurrence of DD symptoms. In this work, we assessed the relationship between single-nucleotide polymorphisms (SNPs) of KAT1, KAT2 and IDO1 gene encoding, and the risk of depression development. Our study was performed on the DNA isolated from peripheral blood of 281 depressed patients and 236 controls. We genotyped, by using TaqMan probes, four polymorphisms: c.*456G > A of KAT1 (rs10988134), c.975-7T > C of AADAT (rs1480544), c.-1849C > A (rs3824259) and c.-1493G > C(rs10089084)of IDO1. We found that only the A/A genotype of c.*456G > A - KAT1 (rs10988134) increased the risk of depression occurrence. Interestingly, when we stratified the study group according to gender, this relationship was present only in male population. However, a gene-gene analysis revealed a link between the T/T-C/C genotype of c.975-7T > C - AADAT (rs1480544)or c.-1493G > C - IDO1 (rs10089084) and C/C-C/A genotype of c.975-7T > C - AADAT (rs1480544)and c. -1849C > A - IDO1 (rs3824259) and the disease. Moreover, we found, that the c.975-7T > C - AADAT and c. *456G > A KAT1 (rs10988134) polymorphisms may modulate the effectiveness of selective serotonin reuptake inhibitors therapy. Concluding, our results confirm the hypothesis formulated in our recently published article that the SNPs of genes involved in TRYCATs pathway may modulate the risk of depression. This provides some further evidence that the pathway plays the crucial role in development of the disease.
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Affiliation(s)
- Paulina Wigner
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Monika Talarowska
- Department of Adult Psychiatry, Medical University of Lodz, Lodz, Poland
| | - Piotr Galecki
- Department of Adult Psychiatry, Medical University of Lodz, Lodz, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Tomasz Sliwinski
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland.
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Girsch W, Bijak M, Heger G, Koller R, Lanmüller H, Mayr W, Thoma H, Losert U. Monitoring of Fes-Induced Muscle Activity by Continuous Emg-Recording. Int J Artif Organs 2018. [DOI: 10.1177/039139889501800608] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Functional Electrical Stimulation (FES) requires information on the stimulated muscle for adjustment of the stimulation current, avoidance of muscle fatigue during the conditioning period and long term follow-up. Several applications of chronical FES are in clinical practice, but a system for direct registration of muscle activity under FES still does not exist. In six sheep the right Latissimus Dorsi Muscle (LDM) and Thoracodorsal Nerve were exposed. Stimulation electrodes were applied to each nerve and 3 EMG-applied sensing electrodes were placed into each LDM. The LDM tendon was connected to a force transducer. Burst stimulation was applied and the amplitude was increased from 0 to 4 mA in steps from burst to burst. EMG (M-wave) was amplified and recorded continuously via modified instrumentation amplifier, oscilloscope and tape recorder. Isometric muscle tension was recorded using force transducer, AID interface and PC. Continuous EMG-recording was performed in all cases. Simultaneous recording of muscle tension and EMG revealed a close correlation (lrl=0.95, p < 0.0001) between muscle strength and amplitude of the M-wave. Continuous recording of the EMG seems to be a reliable method for direct monitoring of the stimulated muscle. Three intramuscular electrodes can provide enough information to monitor FES induced muscle activity.
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Affiliation(s)
- W. Girsch
- Department for Plastic and Reconstructive Surgery, University of Vienna - Austria
| | - M Bijak
- Department of Biomedical Engineering and Physics, University of Vienna - Austria
| | - G. Heger
- Department of Biomedical Engineering and Physics, University of Vienna - Austria
| | - R. Koller
- Department for Plastic and Reconstructive Surgery, University of Vienna - Austria
| | - H. Lanmüller
- Department of Biomedical Engineering and Physics, University of Vienna - Austria
| | - W. Mayr
- Department of Biomedical Engineering and Physics, University of Vienna - Austria
| | - H. Thoma
- Department of Biomedical Engineering and Physics, University of Vienna - Austria
| | - U. Losert
- Department for Biomedical Investigation, University of Vienna - Austria
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22
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Wigner P, Czarny P, Synowiec E, Bijak M, Białek K, Talarowska M, Galecki P, Szemraj J, Sliwinski T. Association between single nucleotide polymorphisms of TPH1 and TPH2 genes, and depressive disorders. J Cell Mol Med 2018; 22:1778-1791. [PMID: 29314569 PMCID: PMC5824396 DOI: 10.1111/jcmm.13459] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 10/16/2017] [Indexed: 12/13/2022] Open
Abstract
Tryptophan catabolites pathway disorders are observed in patients with depression. Moreover, single nucleotide polymorphisms of tryptophan hydroxylase genes may modulate the risk of depression occurrence. The objective of our study was to confirm the association between the presence of polymorphic variants of TPH1 and TPH2 genes, and the development of depressive disorders. Six polymorphisms were selected: c.804-7C>A (rs10488682), c.-1668T>A (rs623580), c.803+221C>A (rs1800532), c.-173A>T (rs1799913)-TPH1, c.-1449C>A (rs7963803), and c.-844G>T (rs4570625)-TPH2. A total of 510 DNA samples (230 controls and 280 patients) were genotyped using TaqMan probes. Among the studied polymoorphisms, the G/G genotype and G allele of c.804-7C>A-TPH1, the T/T homozygote of c.803+221C>A-TPH1, the A/A genotype and A allele of c.1668T>A-TPH1, the G/G homozygote and G allele of c.-844G>T-TPH2, and the C/A heterozygote and A allele of c.-1449C>A-TPH2 were associated with the occurrence of depression. However, the T/T homozygote of c.-1668T>A-TPH1, the G/T heterozygote and T allele of c.-844G>T-TPH2, and the C/C homozygote and C allele of c.-1449C>A-TPH2 decreased the risk of development of depressive disorders. Each of the studied polymorphisms modulated the risk of depression for selected genotypes and alleles. These results support the hypothesis regarding the involvement of the pathway in the pathogenesis of depression.
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Affiliation(s)
- Paulina Wigner
- Laboratory of Medical GeneticsDepartment of Molecular GeneticsFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | - Piotr Czarny
- Department of Medical BiochemistryMedical University of LodzLodzPoland
| | - Ewelina Synowiec
- Laboratory of Medical GeneticsDepartment of Molecular GeneticsFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | - Michał Bijak
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | - Katarzyna Białek
- Laboratory of Medical GeneticsDepartment of Molecular GeneticsFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | | | - Piotr Galecki
- Department of Adult PsychiatryMedical University of LodzLodzPoland
| | - Janusz Szemraj
- Department of Medical BiochemistryMedical University of LodzLodzPoland
| | - Tomasz Sliwinski
- Laboratory of Medical GeneticsDepartment of Molecular GeneticsFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
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Wigner P, Czarny P, Synowiec E, Bijak M, Białek K, Talarowska M, Galecki P, Szemraj J, Sliwinski T. Variation of genes involved in oxidative and nitrosative stresses in depression. Eur Psychiatry 2018; 48:38-48. [PMID: 29331597 DOI: 10.1016/j.eurpsy.2017.10.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 11/26/2022] Open
Abstract
The dominating hypothesis among numerous hypotheses explaining the pathogenesis of depressive disorders (DD) is the one involving oxidative and nitrosative stress. In this study, we examined the association between single-nucleotide polymorphisms of the genes encoding SOD2 (superoxide dismutase 2), CAT (catalase), GPx4 (glutathione peroxidase 4), NOS1 (nitric oxide synthase 1), NOS2 (nitric oxide synthase 2), and the development of depressive disorders. Our study was carried out on the DNA isolated from peripheral blood collected from 281 depressed patients and 229 controls. Using TaqMan probes, we genotyped the following six polymorphisms: c.47T>C (p.Val16Ala) (rs4880) in SOD2, c.-89A>T (rs7943316) in CAT, c.660T>C (rs713041) in GPx4, c.-420-34221G>A (rs1879417) in NOS1, c.1823C>T (p.Ser608Leu) (rs2297518), and c.-227G>C (rs10459953) in NOS2. We found that the T/T genotype of the c.47T>C polymorphism was linked with an increased risk of depression. Moreover, the T/T genotype and T allele of c.660T>C increased the risk of DD occurrence, while the heterozygote and C allele decreased this risk. On the other hand, we discovered that the A/A genotype of c.-89A>T SNP was associated with a reduced risk of DD, while the A/T genotype increased this risk. We did not find any correlation between the genotypes/alleles of c.-420-34221G>A, c.1823C>T, and c.-227G>C, and the occurrence of DD. In addition, gene-gene and haplotype analyses revealed that combined genotypes and haplotypes were connected with the disease. Moreover, we found that sex influenced the impact of some SNPs on the risk of depression. Concluding, the studied polymorphisms of SOD2, CAT and GPx4 may modulate the risk of depression. These results support the hypothesis that oxidative and nitrosative stresses are involved in the pathogenesis of depressive disorders.
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Affiliation(s)
- Paulina Wigner
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Piotr Czarny
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Ewelina Synowiec
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Katarzyna Białek
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Monika Talarowska
- Department of Adult Psychiatry, Medical University of Lodz, Lodz, Poland
| | - Piotr Galecki
- Department of Adult Psychiatry, Medical University of Lodz, Lodz, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Tomasz Sliwinski
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland.
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24
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Lach D, Cichon N, Dziedzic A, Bijak M, Saluk J. [Inflammatory processes in the pathogenesis of acute coronary syndromes]. Pol Merkur Lekarski 2017; 42:183-186. [PMID: 28557963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Cardiovascular diseases, including acute coronary syndromes (ACS), are one of the most serious problems of modern medicine and therefore every year 4 million Europeans have died. It is now believed that elevated levels of inflammatory factors in the blood promotes the development cardiovascular events and chronic inflammation plays a key role in the pathogenesis of atherosclerosis. Intensively conducted research in many centers in the world can confirm the desirability of introducing anti-inflammatory therapy to standard drug therapy. The balance between pro- and anti-inflammatory processes affect the risk of developing ACS.
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Affiliation(s)
- Dominika Lach
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz
| | - Natalia Cichon
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz
| | - Angela Dziedzic
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz
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25
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Morel A, Bijak M, Niwald M, Miller E, Saluk J. Markers of oxidative/nitrative damage of plasma proteins correlated with EDSS and BDI scores in patients with secondary progressive multiple sclerosis. Redox Rep 2017; 22:547-555. [PMID: 28521618 DOI: 10.1080/13510002.2017.1325571] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES The objective of the present study was to evaluate oxidative/nitrative stress in the plasma of 50 patients suffering from the secondary progressive course of multiple sclerosis (MS), and to verify its correlation with physical and mental disability as assessed by the Expanded Disability Status Scale (EDSS), and the Beck Depression Inventory (BDI). METHODS Oxidative and nitrative damage to proteins was determined by the level of carbonyl groups and 3-nitrotyrosine using ELISA test. Based on the reaction with Ellman's reagent, we estimated the concentration of oxidized thiol groups. Additionally, we measured the level of lipid peroxidation. RESULTS In plasma drawn from MS patients, we observed a significantly higher level of 3-NT (92%; P < 0.0003), carbonyl groups (29%; P < 0.0001) and thiobarbituric acid reactive substances (73%; P < 0.0001), as well as a lower concentration of thiol groups (33%; P < 0.0001), in comparison to healthy subjects. We noted positive correlations between the level of carbonyl groups or 3-NT and both diagnostic parameters, EDSS and BDI. Negative correlations were observed between concentration of -SH groups and EDSS and BDI. CONCLUSION Our results indicate that impaired red-ox balance can significantly promote neurodegeneration in secondary progressive MS.
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Affiliation(s)
- Agnieszka Morel
- a Faculty of Biology and Environmental Protection, Department of General Biochemistry , University of Lodz , Lodz , Poland
| | - Michał Bijak
- a Faculty of Biology and Environmental Protection, Department of General Biochemistry , University of Lodz , Lodz , Poland
| | - Marta Niwald
- b Department of Physical Medicine , Medical University of Lodz , Lodz , Poland.,c Neurorehabilitation Ward , III General Hospital in Lodz , Lodz , Poland
| | - Elżbieta Miller
- b Department of Physical Medicine , Medical University of Lodz , Lodz , Poland.,c Neurorehabilitation Ward , III General Hospital in Lodz , Lodz , Poland
| | - Joanna Saluk
- a Faculty of Biology and Environmental Protection, Department of General Biochemistry , University of Lodz , Lodz , Poland
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26
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Cichoń N, Bijak M, Miller E, Saluk J. Extremely low frequency electromagnetic field (ELF-EMF) reduces oxidative stress and improves functional and psychological status in ischemic stroke patients. Bioelectromagnetics 2017; 38:386-396. [DOI: 10.1002/bem.22055] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Accepted: 04/04/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Natalia Cichoń
- Department of General Biochemistry; University of Lodz; Lodz Poland
| | - Michał Bijak
- Department of General Biochemistry; University of Lodz; Lodz Poland
| | - Elżbieta Miller
- Department of Physical Medicine; Medical University of Lodz; Lodz Poland
- Neurorehabilitation Ward; III General Hospital in Lodz; Lodz Poland
| | - Joanna Saluk
- Department of General Biochemistry; University of Lodz; Lodz Poland
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27
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Cichoń N, Lach D, Dziedzic A, Bijak M, Saluk J. [The inflammatory processes in atherogenesis]. Pol Merkur Lekarski 2017; 42:125-128. [PMID: 28333905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Atherogenesis is the process of atherosclerotic plaque formation, leading to coronary artery heart disease. This process involves immune cells, mainly T and B cells, monocytes and macrophages. The process of atherogenesis is induced by inflammatory damage of endothelial cells. The characteristic construction features of the atherosclerotic plaque is a predisposing factor for acute coronary syndromes. The accumulation of inflammatory cells in the artery inner membrane enhances the local inflammatory process due to the secretion of reactive oxygen species, inflammatory cytokines and metalloproteinases, which accelerate the development of atherosclerotic lesions in the arteries. In chronic inflammation of endothelial cells, which is atherosclerosis, there is a decrease in the concentration of elastin and collagen as a result of the increased apoptosis of smooth muscle cells of the intima. This reduces the integrity and strength of the fibrous cap that covers a layer of thrombogenic plaque from contact with blood elements. Permanent inflammation promotes the formation of necrotic core, composed of dead smooth muscle cells, macrophages and foam cells formed by phagocytosis of oxidized lipid molecules. The thin fibrous cap and a large necrotic core are the cause of plaque rupture and thrombus formation within the coronary artery.
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Affiliation(s)
- Natalia Cichoń
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Dominika Lach
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Angela Dziedzic
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
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28
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Morel A, Rywaniak J, Bijak M, Miller E, Niwald M, Saluk J. Flow cytometric analysis reveals the high levels of platelet activation parameters in circulation of multiple sclerosis patients. Mol Cell Biochem 2017; 430:69-80. [PMID: 28210898 PMCID: PMC5437150 DOI: 10.1007/s11010-017-2955-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Accepted: 01/28/2017] [Indexed: 12/25/2022]
Abstract
The epidemiological studies confirm an increased risk of cardiovascular disease in multiple sclerosis, especially prothrombotic events directly associated with abnormal platelet activity. The aim of our study was to investigate the level of blood platelet activation in the circulation of patients with chronic phase of multiple sclerosis (SP MS) and their reactivity in response to typical platelets’ physiological agonists. We examined 85 SP MS patients diagnosed according to the revised McDonald’s criteria and 50 healthy volunteers as a control group. The platelet activation and reactivity were assessed using flow cytometry analysis of the following: P-selectin expression (CD62P), activation of GP IIb/IIIa complex (PAC-1 binding), and formation of platelet microparticles (PMPs) and platelet aggregates (PA) in agonist-stimulated (ADP, collagen) and unstimulated whole blood samples. Furthermore, we measured the level of soluble P-selectin (sP-selectin) in plasma using ELISA method, to evaluate the in vivo level of platelet activation, both in healthy and SP MS subjects. We found a statistically significant increase in P-selectin expression, GP IIb/IIIa activation, and formation of PMPs and PA, as well as in unstimulated and agonist-stimulated (ADP, collagen) platelets in whole blood samples from patients with SP MS in comparison to the control group. We also determined the higher sP-selectin level in plasma of SP MS subjects than in the control group. Based on the obtained results, we might conclude that during the course of SP MS platelets are chronically activated and display hyperreactivity to physiological agonists, such as ADP or collagen.
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Affiliation(s)
- Agnieszka Morel
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland.
| | - Joanna Rywaniak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Elżbieta Miller
- Department of Physical Medicine, Medical University of Lodz, Pl. Hallera 1, 90-647, Lodz, Poland.,Neurorehabilitation Ward, III General Hospital in Lodz, Milionowa 14, 93-113, Lodz, Poland
| | - Marta Niwald
- Department of Physical Medicine, Medical University of Lodz, Pl. Hallera 1, 90-647, Lodz, Poland.,Neurorehabilitation Ward, III General Hospital in Lodz, Milionowa 14, 93-113, Lodz, Poland
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
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29
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Bijak M. [Flavonolignans - compounds not only for liver treatment]. Pol Merkur Lekarski 2017; 42:34-37. [PMID: 28134230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Flavonolignans are the major bioactive components presented in the Milk thistle (Silybum marianum) standarized extract - silymarin. S. marianum is a medicinal plant, which has been using for thousands of years as a remedy for a variety of ailments. Since the 70s of the last century flavonolignans presented in silymarin have been regarded to the official medicine as substances having an hepatoprotective properties. Structurally, flavonolignans are composed of a flavonoid unit (taxifolin) and a phenylpropane unit (coniferyl alcohol), linked together by an oxeran ring. Many studies which have been conducted in recent years demonstrated that flavonolignans posses a various healthy properties. Flavonolignans modulate of a variety cell-signaling pathways as well as inhibit arachidonic acid metabolism, resulting in the reduction of pro-inflammatory mediators formation. The researches performed in last year's demonstrated that the major flavonolignan - silybin is able to inhibit two blood coagulation factors: thrombin and FXa. Flavonolignans have been also studied as a potential anticancer agents. This review article presents flavonolignans health benefits effects not only for the liver.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
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30
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Maj J, Bijak M, Dziedzicka-Wasylewska M, Rogoż R, Rogóż Z, Skuza G, Tokarski K. Erratum to: The effects of paroxetine given repeatedly on the 5-HT receptor subpopulations in the rat brain. Psychopharmacology (Berl) 2015; 232:10.1007/s00213-015-4104-x. [PMID: 26507193 DOI: 10.1007/s00213-015-4104-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- J Maj
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - M Bijak
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - M Dziedzicka-Wasylewska
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - R Rogoż
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - Z Rogóż
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - G Skuza
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland
| | - K Tokarski
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31 343, Kraków, Poland.
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31
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Bijak M, Rzeźnicka P, Saluk J, Nowak P. [Cellular model of blood coagulation process]. Pol Merkur Lekarski 2015; 39:5-8. [PMID: 26277170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Blood coagulation is a process which main objective is the prevention of blood loss when the integrity of the blood vessel is damaged. Over the years, have been presented a number of concepts characterizing the mechanism of thrombus formation. Since the 60s of last century was current cascade model of the coagulation wherein forming of the fibrin clot is determined by two pathways called extrinsic and intrinsic pathways. In the nineties of the last century Monroe and Hoffman presented his concept of blood coagulation process which complement the currently valid model of cells participation especially of blood platelets which aim is to provide a negatively charged phospholipid surface and thereby allow the coagulation enzymatic complexes formation. Developed conception they called cellular model of coagulation. The aim of this work was to present in details of this blood coagulation, including descriptions of its various phases.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Paulina Rzeźnicka
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | - Paweł Nowak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Poland
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Abstract
Platelets are the smallest, depleted of nucleus blood cells which contain a typical cellular organelles including the mitochondria, so that have active metabolism. Platelets possess the highly organized cytoskeleton, specific secretory granules and unique membrane receptors system responsible for their high reactivity. The key role of blood platelets is to maintain normal hemostasis, but they also play important roles in inflammation, immune processes and the cancer progression. The anucleated, small platelets occur in representatives of all clusters of mammals, so it seems to be an adaptation feature. In other vertebrates similar hemostatic functions are played by large nucleated platelets, which are much more weakly reactive. Small, reactive platelets, appearing in the evolution of mammals, allowed the formation of clots faster and slower blood loss in case of injury, but also increased the risk of thromboembolic and cardiovascular diseases. Daily the human body forms about 1x10¹¹ platelets, which are produced by a process of differentiation, maturation and fragmentation of the cytoplasm of mature megakaryocytes. The emergence of platelets is the final stage of megakaryocyte differentiation and is followed by formation of the direct precursors called proplatelets. The anucleated platelets are regarded as terminally differentiated cells, which are not capable of further cell division. However, despite the absence of a nucleus, in blood platelets the synthesis and transcription of mitochondrial DNA and protein synthesis occurring on the basis of mRNA from megakaryocytes has been confirmed. However, recent studies published in 2012 show that the platelets are capable not only of the process of protein synthesis, but also of generation of new cells, which are functionally and structurally similar to the parent platelets.
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Affiliation(s)
- Joanna Saluk
- Katedra Biochemii Ogólnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki; Wydział Farmaceutyczny z Oddziałem Analityki Medycznej, Katedra i Zakład Toksykologii Uniwersytet Medyczny im. Piastów Śląskich we Wrocławiu
| | - Michał Bijak
- Katedra Biochemii Ogólnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
| | - Michał B Ponczek
- Katedra Biochemii Ogólnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
| | - Barbara Wachowicz
- Katedra Biochemii Ogólnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
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Bijak M, Ziewiecki R, Saluk J, Ponczek M, Pawlaczyk I, Krotkiewski H, Wachowicz B, Nowak P. Thrombin inhibitory activity of some polyphenolic compounds. Med Chem Res 2013; 23:2324-2337. [PMID: 24610996 PMCID: PMC3939009 DOI: 10.1007/s00044-013-0829-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Accepted: 10/03/2013] [Indexed: 01/21/2023]
Abstract
Thrombin, also known as an active plasma coagulation factor II, belongs to the family of serine proteases and plays a crucial role in blood coagulation process. The process of thrombin generation is the central event of the hemostatic process and regulates blood coagulant activity. For this reason, thrombin inhibition is key to successful novel antithrombotic pharmacotherapy. The aim of our present study was to examine the effects of the well-known polyphenolic compounds on the activity of thrombin, by characterization of its interaction with selected polyphenols using different biochemical methods and biosensor BIAcore analyses. Only six compounds, cyanidin, quercetin, silybin, cyanin, (+)-catechin and (-)-epicatechin, of all examined in this study polyphenols caused the inhibition of thrombin amidolytic activity. But only three of the six compounds (cyanidin, quercetin and silybin) changed thrombin proteolytic activity. BIAcore analyses demonstrated that cyanidin and quercetin caused a strong response in the interaction with immobilized thrombin, while cyanin and (-)-epicatechin induced a low response. Lineweaver-Burk curves show that used polyphenol aglycones act as competitive thrombin inhibitors. Our results suggest that polyphenolic compounds might be potential structural bases and source to find and project nature-based, safe, orally bioavailable direct thrombin inhibitors.
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Affiliation(s)
- M Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - R Ziewiecki
- Organic and Pharmaceutical Technology Group, Faculty of Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 29, 50-370 Wroclaw, Poland
| | - J Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - M Ponczek
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - I Pawlaczyk
- Organic and Pharmaceutical Technology Group, Faculty of Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 29, 50-370 Wroclaw, Poland
| | - H Krotkiewski
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114 Wroclaw, Poland
| | - B Wachowicz
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - P Nowak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
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Saluk J, Bijak M, Nowak P, Wachowicz B. Evaluating the antioxidative activity of diselenide containing compounds in human blood. Bioorg Chem 2013; 50:26-33. [PMID: 23941993 DOI: 10.1016/j.bioorg.2013.07.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Revised: 06/18/2013] [Accepted: 07/19/2013] [Indexed: 01/17/2023]
Abstract
This study was designed to determine and compare the antioxidant effects of synthetic organoselenium compounds. In experimental trials three different diselenides were used: bis(2-hydroxyphenyl) diselenide, bis{[2-(4-hydroxybenzyl)imino]phenyl} diselenide and bis[2-(4-methylphenylsulfonylamino)phenyl] diselenide. The compounds were screened for antioxidant activities in human blood under oxidation stress conditions. Oxidative stress was induced in vitro in human blood platelet samples and in plasma by 0.1 mM peroxynitrite (ONOO(-)) or by Fe(2+). In experimental trials the levels of chosen oxidative stress markers (TBARS, O2(-), and protein carbonyl groups) were significantly decreased by the action of the tested compounds. The antioxidative properties and the changes in proteins and lipids in the presence of new synthesized selenoorganic compounds were studied in vitro and compared with activity of ebselen (2-phenyl-1,2-benzisoselenazol-3(2H)-one)--a classical antioxidant, well known as the most important glutathione peroxidase mimetic agent. Our results indicate that the tested diselenides have distinctly protective effects against oxidative alterations of biomolecules caused by ONOO(-) and Fe(2+) in blood platelets and in plasma. Therefore it seems that not only ebselen with a wide spectrum of therapeutic actions but also other organoselenium compounds can be considered in the future as active pharmacological agents.
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Affiliation(s)
- Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Bijak M, Saluk J, Tsirigotis-Maniecka M, Komorowska H, Wachowicz B, Zaczyńska E, Czarny A, Czechowski F, Nowak P, Pawlaczyk I. The influence of conjugates isolated from Matricaria chamomilla L. on platelets activity and cytotoxicity. Int J Biol Macromol 2013; 61:218-29. [PMID: 23831537 DOI: 10.1016/j.ijbiomac.2013.06.046] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 06/16/2013] [Accepted: 06/26/2013] [Indexed: 01/23/2023]
Abstract
Cardiovascular diseases (CVD) remain the principal cause of death in both advanced and developing countries of the world. Blood platelets are involved in the pathogenesis of atherosclerosis and thrombosis. Platelet adhesion and aggregation are critical events that occur in unstable coronary syndromes. The current research is focused on the role of polysaccharide-polyphenolic conjugates isolated from chamomile (Matricaria chamomilla L.) at concentrations of 10, 25, 50 and 100 μg/mL on blood platelets (obtained from healthy donors and from patients received combined anti-platelet therapy complex with clopidogrel and acetylsalicylic acid) aggregation and experimentally induced cell toxicity. The treatment of PRP obtained from healthy donors with polyphenolic-polysaccharide conjugates from M. chamomilla (L.) (MC) resulted in a dose-dependent, decrease of platelet aggregation induced by multiple agonists (ADP, collagen and arachidonic acid). In this study we also observed that the MC reduced platelet aggregation in PRP obtained from patients with cardiovascular disorders. The result of testing the MC on human blood platelets, mouse fibroblast cultures L929 and human lung cells A549 did not show any cytotoxicity effects. Compounds obtained from M. chamomilla L. are potential composite to the development of a new anti-platelet agent, which could be an alternative to the currently used anti-platelet drugs.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; Regional Specialist Hospital in Wroclaw, Research and Development Centre, H.M. Kamieńskiego 73a, 51-124 Wroclaw, Poland.
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Saluk J, Bijak M, Ponczek MB, Nowak P, Wachowicz B. (1→3)-β-D-Glucan reduces the damages caused by reactive oxygen species induced in human platelets by lipopolysaccharides. Carbohydr Polym 2013; 97:716-24. [PMID: 23911506 DOI: 10.1016/j.carbpol.2013.05.054] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 04/18/2013] [Accepted: 05/20/2013] [Indexed: 02/01/2023]
Abstract
LPS (lipopolysaccharide) induces platelet activation and is a well-known fundamental agent of septic shock and disseminated intravascular coagulation (DIC). Biological activity of (1→3)-β-D-glucan is related due to its anti-inflammatory, antioxidant, and antitumor properties. We focus our attention on the (1→3)-β-D-glucan (antiplatelet) properties. The main purpose of our study was to evaluate the influence of (1→3)-β-D-glucan from Saccharomyces cerevisiae on destructive activity of LPS (from Escherichia coli and Pseudomonas aeruginosa) on human blood platelets. We assess biochemically in vitro if (1→3)-β-D-glucan might combat the oxidative stress caused by LPS stroke associated with nitrative and oxidative damages of human platelet biomolecules. We also make an attempt by in silico molecular docking to determine the interactions between the molecules of (1→3)-β-D-glucan and LPS. Our conclusion is that protective mechanism of (1→3)-β-D-glucan against LPS action on blood platelets is due to as well: its antioxidant properties, as to its interaction with LPS-binding region of TLR4-MD-2 complex.
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Affiliation(s)
- Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Bijak M, Saluk J, Antosik A, Ponczek MB, Żbikowska HM, Borowiecka M, Nowak P. Aronia melanocarpa as a protector against nitration of fibrinogen. Int J Biol Macromol 2013; 55:264-8. [PMID: 23357800 DOI: 10.1016/j.ijbiomac.2013.01.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2012] [Revised: 12/18/2012] [Accepted: 01/13/2013] [Indexed: 12/17/2022]
Abstract
Fibrinogen (Fg) also known as coagulation factor I represents about 4% of the total human plasma proteins. The main function of Fg is its involvement in last phase of blood coagulation cascade, when thrombin-induced conversion of dissolved plasma fibrinogen into an insoluble fibrin clot occurs. The reaction of fibrinogen with peroxynitrite causes both structural modifications and changes of the biological properties of this plasma glycoprotein. Recently, there is an increased interest in the screening of natural products present in fruits, vegetables and herbs for their possible antioxidative activities. Therefore, the aim of our study was to estimate the effect of extract from berries of Aronia melanocarpa against nitrative and oxidative damage induced by peroxynitrite. The extract from A. melanocarpa (0.5-50 μg/ml) added to Fg 10 min before peroxynitrite (100 μM) significantly inhibited both the formation of the high molecular weight protein aggregates and nitration of Fg molecule. The extract also abolished peroxynitrite-induced inhibition of fibrinogen polymerization (by 95% at 50 μg/ml). The obtained results indicate that natural extract from berries of A. melanocarpa has protective effects against peroxynitrite-induced nitrative damage of plasma fibrinogen, and therefore may contribute in the prevention of peroxynitrite-related cardiovascular or inflammatory diseases.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Bijak M, Nowak P, Borowiecka M, Ponczek MB, Żbikowska HM, Wachowicz B. Protective effects of (-)-epicatechin against nitrative modifications of fibrinogen. Thromb Res 2012; 130:e123-8. [PMID: 22503653 DOI: 10.1016/j.thromres.2012.03.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Revised: 02/27/2012] [Accepted: 03/21/2012] [Indexed: 01/09/2023]
Abstract
Fibrinogen appears to be particularly sensitive to toxic action of peroxynitrite; a potent oxidizing and nitrating species. An increased nitration of fibrinogen has been reported in cardiovascular diseases. The defense mechanisms against PN are crucial for complex hemostasis process. Flavonoids have antioxidative properties and could protect biomolecules against action of peroxynitrite. The aim of our studies was to establish, if (-)-epicatechin may in vitro protect fibrinogen molecule against peroxynitrite-induced nitration of tyrosines and change its thrombin-catalyzed polymerization. The exposure of purified fibrinogen (6 μM) to peroxynitrite (1-100 μM) resulted in both structural modifications and clotting ability of this glycoprotein. Peroxynitrite at the concentration of 1 μM increased maximum velocity of Fg polymerization, whereas exposure to 100 μM PN resulted in a significant decrease of Vmax. (-)-Epicatechin (1-100 μM) caused a dose-dependent inhibition of 3-nitrotyrosine formation in fibrinogen treated with peroxynitrite (100 μM) in both Western blot assays and C-ELISA assays. At the highest concentration of (-)-epicatechin (100 μM) the level of 3-NT in fibrinogen reached the control values. At lower doses (-)-epicatechin reduced tyrosine nitration by approx. 23% and 40% at the concentration of 1 μM and 10 μM, respectively. (-)-Epicatechin also abolished the pro-thrombotic effect of peroxynitrite on fibrinogen clotting. The presented in vitro results demonstrated for the first time that (-)-epicatechin might have protective effects against the impairment of structure and properties of Fg, caused by action of the strong biologic oxidant/nitration and inflammatory mediators.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, University of Lodz, Pomorska 141/143, 90–236 Lodz, Poland.
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Bijak M, Saluk J, Ponczek MB, Nowak P. Antithrombin effect of polyphenol-rich extracts from black chokeberry and grape seeds. Phytother Res 2012; 27:71-6. [PMID: 22473647 DOI: 10.1002/ptr.4682] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Revised: 02/22/2012] [Accepted: 03/02/2012] [Indexed: 11/11/2022]
Abstract
Thrombin is a serine protease that cleaves the peptide bonds in proteins located on the carboxyl side of arginine. Thrombin plays a central role in thromboembolic diseases, which are the major cause of mortality. The aim of the study was to estimate the effects of plant extracts on proteolytic properties of thrombin. Thrombin was incubated with polyphenol-rich extracts from berries of Aronia melanocarpa or seeds of Vitis vinifera (0.5, 5, 50 µg/mL) and with polyphenols ((+)-catechin, (-)-epicatechin, gallic acid, chlorogenic acid, procyanidin B1, cyanidin, cyanidin 3-glucoside, quercetin). The in vitro experiments showed that both extracts in all used concentrations inhibited proteolytic activity of thrombin observed as inhibition of thrombin-induced fibrinogen polymerization, stabilized fibrin formation, and platelet aggregation. Moreover, thrombin amidolytic activity was inhibited by polyphenols belonging to the flavonoid class. Results presented in this study indicate that polyphenol-rich extracts from berries of A. melanocarpa and seeds of V. vinifera may become promising dietary supplements in the prevention of thrombotic states.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, Institute of Biochemistry, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Bijak M, Bobrowski M, Borowiecka M, Podsędek A, Golański J, Nowak P. Anticoagulant effect of polyphenols-rich extracts from black chokeberry and grape seeds. Fitoterapia 2011; 82:811-7. [PMID: 21596108 DOI: 10.1016/j.fitote.2011.04.017] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Revised: 04/18/2011] [Accepted: 04/23/2011] [Indexed: 11/15/2022]
Abstract
Blood coagulation consists of a series of zymogens that can be converted by limited proteolysis to active enzymes leading to the generation of thrombin. Fresh plasma and human thrombin was incubated with extracts from berries of Aronia melanocarpa or seeds of Vitis vinifera (0.5; 5; 50 μg/ml). The in vitro experiments showed that both extracts prolonged clotting time and decreased the maximal velocity of fibrin polymerization in human plasma. Moreover thrombin incubation with both extracts results in the inhibition of amidolytic activity of this enzyme. It gives hopes for development of diet supplements, which may be preventing thrombosis in pathological states.
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Affiliation(s)
- Michał Bijak
- Department of General Biochemistry, University of Lodz, Banacha12/16, 90-237 Lodz, Poland.
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Gorlitzer M, Holzer R, Bijak M, Unger E, Folkmann S, Wagner F, Pfeiffer S, Grabenwöger M. Comparison of thorax support systems after median sternotomy: Evaluation of force distributions in a biomechanical analysis. Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1268985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Fourati Ben Mustapha S, Khrouf M, Kacem Ben Rejeb K, Elloumi Chaabene H, Merdassi G, Wahbi D, Ben Meftah M, Zhioua F, Zhioua A, Azzarello A, Host T, Mikkelsen AL, Theofanakis CP, Dinopoulou V, Mavrogianni D, Partsinevelos GA, Drakakis P, Stefanidis K, Bletsa A, Loutradis D, Rienzi L, Cobo A, Paffoni A, Scarduelli C, Capalbo A, Garrido N, Remohi J, Ragni G, Ubaldi FM, Herrer R, Quera M, GIL E, Serna J, Grondahl ML, Bogstad J, Agerholm IE, Lemmen JG, Bentin-Ley U, Lundstrom P, Kesmodel US, Raaschou-Jensen M, Ladelund S, Guzman L, Ortega C, Albuz FK, Gilchrist RB, Devroey P, Smitz J, De Vos M, Bielanska M, Leveille MC, Borghi E, Magli MC, Figueroa MJ, Mascaretti G, Ferraretti AP, Gianaroli L, Szlit E, Leocata Nieto F, Maggiotto G, Arenas G, Tarducci Bonfiglio N, Ahumada A, Asch R, Sciorio R, Dayoub N, Thong J, Pickering S, Ten J, Carracedo MA, Guerrero J, Rodriguez-Arnedo A, Llacer J, Bernabeu R, Tatone C, Heizenrieder T, Di Emidio G, Treffon P, Seidel T, Eichenlaub-Ritter U, Cortezzi SS, Cabral EC, Ferreira CR, Trevisan MG, Figueira RCS, Braga DPAF, Eberlin MN, Iaconelli Jr. A, Borges Jr. E, Zabala A, Pessino T, Blanco L, Rey Valzacchi G, Leocata F, Ahumada A, Vanden Meerschaut F, Heindryckx B, Qian C, Deforce D, Leybaert L, De Sutter P, De las Heras M, De Pablo JL, Navarro B, Agirregoikoa JA, Barrenetxea G, Cruz M, Perez-Cano I, Gadea B, Herrero J, Martinez M, Roldan M, Munoz M, Pellicer A, Meseguer M, Munoz M, Cruz M, Roldan M, Gadea B, Galindo N, Martinez M, Pellicer A, Meseguer M, Perez-Cano I, Scarselli F, Alviggi E, Colasante A, Minasi MG, Rubino P, Lobascio M, Ferrero S, Litwicka K, Varricchio MT, Giannini P, Piscitelli P, Franco G, Zavaglia D, Nagy ZP, Greco E, Urner F, Wirthner D, Murisier F, Mock P, Germond M, Amorocho Llanos B, Calderon G, Lopez D, Fernandez L, Nicolas M, Landeras J, Finn-Sell SL, Leandri R, Fleming TP, Macklon NS, Cheong YC, Eckert JJ, Lee JH, Jung YJ, Hwang HK, Kang A, An SJ, Jung JY, Kwon HC, Lee SJ, Palini S, Zolla L, De Stefani S, Scala V, D'Alessandro A, Polli V, Rocchi P, Tiezzi A, Pelosi E, Dusi L, Bulletti C, Fadini R, Lain M, Mignini Renzini M, Brambillasca F, Coticchio G, Merola M, Guglielmo MC, Dal Canto M, Figueira R, Setti AS, Braga DPAF, Iaconelli Jr. A, Borges Jr. E, Worrilow KC, Uzochukwu CD, Eid S, Le Gac S, Esteves TC, van Rossem F, van den Berg A, Boiani M, Kasapi E, Panagiotidis Y, Goudakou M, Papatheodorou A, Pasadaki T, Prapas N, Prapas Y, Panagiotidis Y, Kasapi E, Goudakou M, Papatheodorou A, Pasadaki T, Vanderzwalmen P, Prapas N, Prapas Y, Norasing S, Atchajaroensatit P, Tawiwong W, Thepmanee O, Saenlao S, Aojanepong J, Hunsajarupan P, Sajjachareonpong K, Punyatanasakchai P, Maneepalviratn S, Jetsawangsri U, Herrero J, Cruz M, Tejera A, Rubio I, Romero JL, Meseguer M, Nordhoff V, Schlatt S, Schuring AN, Kiesel L, Kliesch S, Azambuja R, Okada L, Lazzari V, Dorfman L, Michelon J, Badalotti M, Badalotti F, Petracco A, Schwarzer C, Esteves TC, Nordhoff V, Schlatt S, Boiani M, Versieren K, Heindryckx B, De Croo I, Lierman S, De Vos W, Van den Abbeel E, Gerris J, De Sutter P, Milacic I, Borogovac D, Veljkovic M, Arsic B, Jovic Bojovic D, Lekic D, Pavlovic D, Garalejic E, Guglielmo MC, Coticchio G, Albertini DF, Dal Canto M, Brambillasca F, Mignini Renzini M, De Ponti E, Fadini R, Sanges F, Talevi R, Capalbo A, Papini L, Mollo V, Ubaldi FM, Rienzi LF, Gualtieri R, Albuz FK, Guzman L, Orteg C, Gilchrist RB, Devroey P, De Vos M, Smitz J, Choi J, Lee H, Ku S, Kim S, Choi Y, Kim J, Moon S, Demilly E, Assou S, Moussaddykine S, Dechaud H, Hamamah S, Takisawa T, Doshida M, Hattori H, Nakamura Y, Kyoya T, Shibuya Y, Nakajo Y, Tasaka A, Toya M, Kyono K, Novo S, Penon O, Gomez R, Barrios L, Duch M, Santalo J, Esteve J, Nogues C, Plaza JA, Perez-Garcia L, Ibanez E, Chavez S, Loewke K, Behr B, Reijo Pera R, Huang S, Wang H, Soong Y, Chang C, Okimura T, Kuwayama M, Mori C, Morita M, Uchiyama K, Aono F, Kato K, Takehara Y, Kato O, Minasi M, Casciani V, Scarselli F, Rubino P, Colasante A, Arizzi L, Litwicka K, Ferrero S, Mencacci C, Piscitelli C, Giannini P, Cucinelli F, Tocci A, Nagy ZP, Greco E, Wydooghe E, Vandaele L, Dewulf J, Van den Abbeel E, De Sutter P, Van Soom A, Moon JH, Son WY, Mahfoudh A, Henderson S, Jin SG, Shalom-Paz E, Dahan M, Holzer H, Mahmoud K, Triki-Hmam C, Terras K, Zhioua F, Hfaiedh T, Ben Aribia MH, Otsubo H, Egashira A, Tanaka K, Matsuguma T, Murakami M, Murakami K, Otsuka M, Yoshioka N, Araki Y, Kuramoto T, Smit JG, Sterrenburg MD, Eijkemans MJC, Al-Inany HG, Youssef MAFM, Broekmans FJM, Willoughby K, DiPaolo L, Deys L, Lagunov A, Amin S, Faghih M, Hughes E, Karnis M, Ashkar F, King WA, Neal MS, Antonova I, Veleva L, Petkova L, Shterev A, Nogales C, Martinez E, Ariza M, Cernuda D, Gaytan M, Linan A, Guillen A, Bronet F, Cottin V, Fabian D, Allemann F, Koller A, Spira JC, Agudo D, Martinez-Burgos M, Arnanz A, Basile N, Rodriguez A, Bronet F, Cho YS, Filioli Uranio M, Ambruosi B, Paternoster MS, Totaro P, Sardanelli AM, Dell'Aquila ME, Zollner U, Hofmann T, Zollner KP, Kovacic B, Roglic P, Vlaisavljevic V, Sole M, Santalo J, Boada M, Coroleu B, Veiga A, Martiny G, Molinari M, Revelli A, Chimote NM, Chimote M, Mehta B, Chimote NN, Sheikh N, Nath N, Mukherjee A, Rakic K, Reljic M, Kovacic B, Vlaisavljevic V, Ingerslev HJ, Kirkegaard K, Hindkjaer J, Grondahl ML, Kesmodel US, Agerholm I, Kitasaka H, Fukunaga N, Nagai R, Yoshimura T, Tamura F, Kitamura K, Hasegawa N, Nakayama K, Katou M, Itoi F, Asano E, Deguchi N, Ooyama K, Hashiba Y, Asada Y, Michaeli M, Rotfarb N, Karchovsky E, Ruzov O, Atamny R, Slush K, Fainaru O, Ellenbogen A, Chekuri S, Chaisrisawatsuk T, Chen P, Pangestu M, Jansen S, Catt S, Molinari E, Racca C, Revelli A, Ryu C, Kang S, Lee J, Chung D, Roh S, Chi H, Yokota Y, Yokota M, Yokota H, Sato S, Nakagawa M, Komatsubara M, Makita M, Araki Y, Yoshimura T, Asada Y, Fukunaga N, Nagai R, Kitasaka H, Itoi F, Tamura F, Kitamura K, Hasegawa N, Katou M, Nakayama K, Asano E, Deguchi N, Oyama K, Hashiba Y, Naruse K, Kilani S, Chapman MG, Kwik M, Chapman M, Guven S, Odaci E, Yildirim O, Kart C, Unsal MA, Yulug E, Isachenko E, Maettner R, Strehler E, Isachenko V, Hancke K, Kreienberg R, Sterzik K, Coticchio G, Guglielmo MC, Dal Canto M, Albertini DF, Brambillasca F, Mignini Renzini M, Fadini R, Zheng XY, Wang LN, Liu P, Qiao J, Inoue F, Dashtizad M, Wahid H, Rosnina Y, Daliri M, Hajarian H, Akbarpour M, Abbas Mazni O, Knez K, Tomaevic T, Vrtacnik Bokal E, Zorn B, Virant Klun I, Koster M, Liebenthron J, Nicolov A, van der Ven K, van der Ven H, Montag M, Fayazi M, Salehnia M, Beigi Boroujeni M, Khansarinejad B, Deignan K, Emerson G, Mocanu E, Wang JJ, Andonov M, Linara E, Ahuja KK, Nachef S, Figueira RCS, Braga DPAF, Setti AS, Iaconelli Jr. A, Pasqualotto FF, Borges Jr. E, Pasqualotto E, Borges Jr. E, Pasqualotto FF, Chang CC, Bernal DP, Elliott TA, Shapiro DB, Toledo AA, Nagy ZP, Economou K, Davies S, Argyrou M, Doriza S, Sisi P, Moschopoulou M, Karagianni A, Mendorou C, Polidoropoulos N, Papanicopoulos C, Stefanis P, Karamalegos C, Cazlaris H, Koutsilieris M, Mastrominas M, Gotts S, Doshi A, Harper J, Serhal P, Borini A, Guzeloglu-Kayisli O, Bianchi V, Seli E, Bianchi V, Lappi M, Bonu MA, Borini A, Mizuta S, Hashimoto H, Kuroda Y, Matsumoto Y, Mizusawa Y, Ogata S, Yamada S, Kokeguchi S, Noda Y, Shiotani M, Stojkovic M, Ilic M, Markovic N, Stojkovic P, Feng G, Zhang B, Zhou H, Zhou L, Gan X, Qin X, Shu J, Wu F, Molina Botella I, Lazaro Ibanez E, Debon Aucejo A, Pertusa J, Fernandez Colom PJ, Pellicer A, Li C, Zhang Y, Cui Y, Zhao H, Liu J, Oliveira JBA, Petersen CG, Mauri AL, Massaro FC, Silva LFI, Ricci J, Cavagna M, Pontes A, Vagnini LD, Baruffi RLR, Franco Jr. JG, Massaro FC, Petersen CG, Vagnini LD, Mauri AL, Silva LFI, Felipe V, Cavagna M, Pontes A, Baruffi RLR, Oliveira JBA, Franco Jr. JG, Vilela M, Tiveron M, Lombardi C, Viglierchio MI, Marconi G, Rawe V, Wale PL, Gardner DK, Nakagawa K, Sugiyama R, Nishi Y, Kuribayashi Y, Jyuen H, Yamashiro E, Shirai A, Sugiyama R, Inoue M, Salehnia M, Hovatta O, Tohonen V, Inzunza J, Parmegiani L, Cognigni GE, Bernardi S, Ciampaglia W, Infante FE, Tabarelli de Fatis C, Pocognoli P, Arnone A, Maccarini AM, Troilo E, Filicori M, Radwan P, Polac I, Borowiecka M, Bijak M, Radwan M. POSTER VIEWING SESSION - EMBRYOLOGY. Hum Reprod 2011. [DOI: 10.1093/humrep/26.s1.79] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
A systematic study of crystal lattice reorientation in early stages of recrystallization has been carried out to correlate the orientations of recrystallization nuclei with the deformation microtexture and with slip systems. Microstructure and texture of Al-1 wt.% Mn single crystals of unstable initial orientations of {112}111, {100}001 and {001}110 have been examined by high-resolution field-emission gun scanning electron microscope local orientation measurements. All single crystals were channel-die deformed at room temperature and then annealed for a short time. It was shown that often observed presence of the 112 directions as rotation axes in the formation of new nuclei orientation directly suggested a close link with the deformation process.
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Affiliation(s)
- M Bijak
- Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Kraków, Poland.
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Wagner FM, Gorlitzer M, Seiffert M, Volkmann S, Bijak M, Grabenwoeger M, Reichenspurner H. Posthorax® support vest prevents mediastinitis after cardiac surgery in a multicenter prospective randomized trial leading to dramatic cost reduction. Thorac Cardiovasc Surg 2010. [DOI: 10.1055/s-0029-1246823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mayr W, Hofer C, Bijak M, Lanmüller H, Rafolt D, Reichel M, Sauermann S, Unger E, Kern H. EU-PROJEKT RISE: FES DENERVIERTER MUSKULATUR. ACTA ACUST UNITED AC 2009. [DOI: 10.1515/bmte.2003.48.s1.52] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ashley Z, Sutherland H, Lanmüller H, Russold MF, Unger E, Bijak M, Mayr W, Boncompagni S, Protasi F, Salmons S, Jarvis JC. Atrophy, but not necrosis, in rabbit skeletal muscle denervated for periods up to one year. Am J Physiol Cell Physiol 2007; 292:C440-51. [PMID: 17218372 DOI: 10.1152/ajpcell.00085.2006] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Our understanding of the effects of long-term denervation on skeletal muscle is heavily influenced by an extensive literature based on the rat. We have studied physiological and morphological changes in an alternative model, the rabbit. In adult rabbits, tibialis anterior muscles were denervated unilaterally by selective section of motor branches of the common peroneal nerve and examined after 10, 36, or 51 wk. Denervation reduced muscle mass and cross-sectional area by 50-60% and tetanic force by 75%, with no apparent reduction in specific force (force per cross-sectional area of muscle fibers). The loss of mass was associated with atrophy of fast fibers and an increase in fibrous and adipose connective tissue; the diameter of slow fibers was preserved. Within fibers, electron microscopy revealed signs of ultrastructural disorganization of sarcomeres and tubular systems. This, rather than the observed transformation of fiber type from IIx to IIa, was probably responsible for the slow contractile speed of the muscles. The muscle groups denervated for 10, 36, or 51 wk showed no significant differences. At no stage was there any evidence of necrosis or regeneration, and the total number of fibers remained constant. These changes are in marked contrast to the necrotic degeneration and progressive decline in mass and force that have previously been found in long-term denervated rat muscles. The rabbit may be a better choice for a model of the effects of denervation in humans, at least up to 1 yr after lesion.
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Affiliation(s)
- Z Ashley
- Department of Human Anatomy and Cell Biology, School of Biomedical Sciences, Ashton Street, University of Liverpool, Liverpool L69 3GE, UK
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Paul H, Driver JH, Morgiel J, Lens A, Bydałek A, Bijak M. Scanning electron microscopy and transmission electron microscopy in situ studies of grain boundary migration in cold-deformed aluminium bicrystals. J Microsc 2006; 223:264-7. [PMID: 17059546 DOI: 10.1111/j.1365-2818.2006.01641.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The crystallography of recrystallization has been investigated in channel-die deformed pure aluminium bicrystals with {100}<011>/{110}<001> orientations. The microstructural and microtextural changes during the early stages of recrystallization were followed by systematic local orientation measurements using scanning and transmission electron microscopes. In particular, orientation mapping combined with in situ sample heating was used to investigate the formation and growth of new grains at very early stages of recrystallization. Grain boundary migration and 'consumption' of the as-deformed areas was always favoured along directions parallel to the traces of the {111} slip planes that had been most active during deformation.
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Affiliation(s)
- H Paul
- Institute of Metallurgy and Materials Science, PAS, 25 Reymonta St., 30-059 Krakow, Poland.
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Rafolt D, Gallasch E, Fend M, Hofer C, Bijak M, Lanmüller H, Sauermann S, Unger E, Mayr W. MECHANOMYOGRAPHISCHE VERFAHREN ZUR NICHTINVASIVEN BEWERTUNG DER MUSKELDYNAMIK. BIOMED ENG-BIOMED TE 2003. [DOI: 10.1515/bmte.2003.48.s1.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Bijak M, Rakos M, Hofer C, Rafolt D, Russold M, Unger E, Kern H, Mayr W. STEH- UND GEHSYSTEM FÜR SPASTISCH GELÄHMTE PARAPLEGIKER. BIOMED ENG-BIOMED TE 2003. [DOI: 10.1515/bmte.2003.48.s1.42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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