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Wójciak M, Drozdowski P, Ziemlewska A, Zagórska-Dziok M, Nizioł-Łukaszewska Z, Kubrak T, Sowa I. ROS Scavenging Effect of Selected Isoflavones in Provoked Oxidative Stress Conditions in Human Skin Fibroblasts and Keratinocytes. Molecules 2024; 29:955. [PMID: 38474467 DOI: 10.3390/molecules29050955] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/08/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Isoflavones, belonging to polyphenolic compounds, show structural similarity to natural estrogens, and in this context, they have been extensively studied. Some of them are also applied as cosmetic additives; however, little is known regarding their effects on skin cells. In this investigation, common isoflavones, including genistein, daidzein, glycitein, formononetin, and biochanin A, as well as coumestrol, were evaluated for antioxidant activity and their impact on human skin fibroblasts and keratinocytes. Antioxidant effects were assessed using DPPH, ABTS, and FRAP tests, and the ability to scavenge reactive oxygen species (ROS) was tested in cells with H2O2-provoked oxidative stress. The impact on the activity of antioxidant enzymes (SOD, CAT, GSH) and lipid peroxidation (MDA) was also explored. As shown by Alamar Blue and neutral red uptake assays, the compounds were not toxic within the tested concentration range, and formononetin and coumestrol even demonstrated a stimulatory effect on cells. Coumestrol and biochanin A demonstrated significant antioxidative potential, leading to a significant decrease in ROS in the cells stimulated by H2O2. Furthermore, they influenced enzyme activity, preventing depletion during induced oxidative stress, and also reduced MDA levels, demonstrating protection against lipid peroxidation. In turn, genistein, daidzein, and glycitein exhibited low antioxidant capacity.
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Affiliation(s)
- Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Aleje Raclawickie 1, 20-059 Lublin, Poland
| | - Piotr Drozdowski
- Department of Plastic Surgery, Specialist Medical Centre, 57-320 Polanica-Zdrój, Poland
| | - Aleksandra Ziemlewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland
| | - Martyna Zagórska-Dziok
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland
| | - Zofia Nizioł-Łukaszewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Medical College, University of Rzeszów, 2A Kopisto St., 35-959 Rzeszów, Poland
| | - Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Aleje Raclawickie 1, 20-059 Lublin, Poland
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Sowa I, Mołdoch J, Dresler S, Kubrak T, Soluch A, Szczepanek D, Strzemski M, Paduch R, Wójciak M. Phytochemical Profiling, Antioxidant Activity, and Protective Effect against H 2O 2-Induced Oxidative Stress of Carlina vulgaris Extract. Molecules 2023; 28:5422. [PMID: 37513294 PMCID: PMC10385139 DOI: 10.3390/molecules28145422] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Carlina vulgaris is a little-understood plant with unexplored biological potential, and the papers regarding its chemical composition are scarce. In our study, for the first time, the phytochemical profile of the plant, focusing on polar metabolites, was established using modern chromatographic techniques including LC-HRMS-QTOF-CAD, UHPLC-PDA-MS. Phytochemical analysis revealed that the species is a rich source of polyphenolic components, with the most abundant being chlorogenic acid and C-glycosides of luteolin, including carlinoside, orientin, isoorientin, and C-glycosides of apigenin, schaftoside, isoschaftoside, and vitexin. Furthermore, we assessed the impact of the polyphenolic-rich fraction of C. vulgaris extracts on human skin fibroblasts using the MTT and NR assays. It was found that the extract was non-toxic and exhibited potent antioxidant activity in the cells subjected to induced oxidative stress. Additionally, it effectively protected the cells against H2O2-induced cytotoxicity. Our study contributes to the general trend of searching for new phytotherapeutics with potential applications in pharmacy and medicine. The results indicate that further exploration of C. vulgaris species is worthwhile, as they can serve as valuable plant material for cosmetic use.
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Affiliation(s)
- Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Jarosław Mołdoch
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, 24-100 Puławy, Poland
| | - Sławomir Dresler
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
- Department of Plant Physiology and Biophysics, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Institute of Medical Studies, Medical College, Rzeszów University, 35-310 Rzeszów, Poland
| | - Agata Soluch
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, 24-100 Puławy, Poland
| | - Dariusz Szczepanek
- Chair and Department of Neurosurgery and Paediatric Neurosurgery, Medical University of Lublin, 20-090 Lublin, Poland
| | - Maciej Strzemski
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Roman Paduch
- Department of Virology and Immunology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, 19 Akademicka Street, 20-033 Lublin, Poland
| | - Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
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Wójciak M, Feldo M, Borowski G, Kubrak T, Płachno BJ, Sowa I. Antioxidant Potential of Diosmin and Diosmetin against Oxidative Stress in Endothelial Cells. Molecules 2022; 27:molecules27238232. [PMID: 36500323 PMCID: PMC9739697 DOI: 10.3390/molecules27238232] [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] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 11/29/2022]
Abstract
Phlebotropic flavonoids, including diosmin and its aglycone diosmetin, are natural polyphenols widely used in the prevention and treatment of chronic venous insufficiency (CVI). As oxidative stress plays an important role in the development of pathophysiology of the cardiovascular system, the study aimed to investigate the protective effects of diosmin and diosmetin on hydrogen peroxide (H2O2)-induced oxidative stress in endothelial cells. The cells were pretreated with different concentrations of the flavonoid prior to the H2O2 exposure. The cell viability, the level of intracellular reactive oxygen species (ROS), the activity of cellular antioxidant enzymes-including superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase GPx-and the malondialdehyde (MDA) level were assessed. It was found that the H2O2-induced oxidative stress was ameliorated by diosmin/diosmetin in a concentration-dependent manner. The flavonoids restored the activity of cellular antioxidant enzymes and lowered the MDA level upregulated by the H2O2 exposure. These results indicate that diosmin and diosmetin may prevent oxidative stress in endothelial cells; therefore, they may protect against the development and progression of oxidative-stress-related disorders.
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Affiliation(s)
- Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodzki 4A, 20-093 Lublin, Poland
| | - Marcin Feldo
- Department of Vascular Surgery, Medical University of Lublin, Staszica 11 St., 20-081 Lublin, Poland
| | - Grzegorz Borowski
- Department of Vascular Surgery, Medical University of Lublin, Staszica 11 St., 20-081 Lublin, Poland
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Medical College of The University of Rzeszów, 2A Kopisto St., 35-959 Rzeszów, Poland
| | - Bartosz J. Płachno
- Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Kraków, Gronostajowa 9 St., 30-387 Cracow, Poland
| | - Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Chodzki 4A, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-817185551
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Jurowski K, Paprotny Ł, Zakrzewski M, Wianowska D, Kasprzyk-Pochopień J, Herman M, Madej K, Piekoszewski W, Kubrak T. The Development of New Methodology for Determination of Vincristine (VCR) in Human Serum Using LC-MS/MS-Based Method for Medical Diagnostics. Molecules 2022; 27:molecules27227945. [PMID: 36432046 PMCID: PMC9694046 DOI: 10.3390/molecules27227945] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022] Open
Abstract
In this article, we have presented the development and validation of a rapid and sensitive reversed-phase liquid chromatography with tandem mass spectrometry (LC-MS/MS) method for the determination of vincristine (VCR) in patient serum samples. Chromatographic separation was achieved on a Kinetex® (Singapore) column using a mobile phase consisting of 25 mM acetic acid and 0.3% formic acid (A) and methanol (B) in a gradient elution mode at a flow rate of 0.3 mL/min. The VCR and internal standard (vinblastine) were monitored using the multiple reaction monitoring mode under positive electrospray ionization. The lower limit of quantification (LLOQ) was 0.67 ng/mL, and the upper limit of quantification (ULOQ) was 250 ng/mL for VCR. The calculated values of LOD and LOQ for VCR were 0.075 and 0.228 ng/mL, respectively. The calibration curve was linear over the VCR concentration range of 1.0−250 ng/mL in serum. The intra- and inter-day precision and precision were within the generally accepted criteria for the bioanalytical method (<15%). The method was successfully applied to the analysis of serum samples in clinical practice.
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Affiliation(s)
- Kamil Jurowski
- Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Studies, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszow, Poland
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises, Aleksandrowska 67/9, 91-205 Łódź, Poland
- Correspondence:
| | - Łukasz Paprotny
- Research and Development Centre, ALAB Laboratories, Ul. Ceramiczna 1, 20-150 Lublin, Poland
| | - Marcin Zakrzewski
- Research and Development Centre, ALAB Laboratories, Ul. Ceramiczna 1, 20-150 Lublin, Poland
| | - Dorota Wianowska
- Department of Chromatographic Methods, Faculty of Chemistry, Maria Curie-Skłodowska University, Pl. Maria Curie-Sklodowska 3, 20-031 Lublin, Poland
| | - Joanna Kasprzyk-Pochopień
- Laboratory of High Resolution of Mass Spectrometry, Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakow, Poland
| | - Małgorzata Herman
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakow, Poland
| | - Katarzyna Madej
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakow, Poland
| | - Wojciech Piekoszewski
- Laboratory of High Resolution of Mass Spectrometry, Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakow, Poland
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakow, Poland
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Institute of Medical Studies, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszow, Poland
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Kubrak T, Karakuła M, Czop M, Kawczyk-Krupka A, Aebisher D. Advances in Management of Bladder Cancer-The Role of Photodynamic Therapy. Molecules 2022; 27:molecules27030731. [PMID: 35163996 PMCID: PMC8838614 DOI: 10.3390/molecules27030731] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/15/2022] [Accepted: 01/20/2022] [Indexed: 12/27/2022]
Abstract
Photodynamic therapy (PDT) is a non-invasive and modern form of therapy. It is used in the treatment of non-oncological diseases and more and more often in the treatment of various types of neoplasms in various locations including bladder cancer. The PDT method consists of local or systemic application of a photosensitizer, i.e., a photosensitive compound that accumulates in pathological tissue. Light of appropriate wavelength is absorbed by the photosensitizer molecules, which in turn transfers energy to oxygen or initiates radical processes that leads to selective destruction of diseased cells. The technique enables the selective destruction of malignant cells, as the photocytotoxicity reactions induced by the photosensitizer take place strictly within the pathological tissue. PDT is known to be well tolerated in a clinical setting in patients. In cited papers herein no new safety issues were identified. The development of anti-cancer PDT therapies has greatly accelerated over the last decade. There was no evidence of increased or cumulative toxic effects with each PDT treatment. Many modifications have been made to enhance the effects. Clinically, bladder cancer remains one of the deadliest urological diseases of the urinary system. The subject of this review is the anti-cancer use of PDT, its benefits and possible modifications that may lead to more effective treatments for bladder cancer. Bladder cancer, if localized, would seem to be a good candidate for PDT therapy since this does not involve the toxicity of systemic chemotherapy and can spare normal tissues from damage if properly carried out. It is clear that PDT deserves more investment in clinical research, especially for plant-based photosensitizers. Natural PS isolated from plants and other biological sources can be considered a green approach to PDT in cancer therapy. Currently, PDT is widely used in the treatment of skin cancer, but numerous studies show the advantages of related therapeutic strategies that can help eliminate various types of cancer, including bladder cancer. PDT for bladder cancer in which photosensitizer is locally activated and generates cytotoxic reactive oxygen species and causing cell death, is a modern treatment. Moreover, PDT is an innovative technique in oncologic urology.
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Affiliation(s)
- Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Medical College of the University of Rzeszów, 35-310 Rzeszów, Poland
- Correspondence:
| | - Michał Karakuła
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Marcin Czop
- Department of Clinical Genetics, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
| | - Aleksandra Kawczyk-Krupka
- School of Medicine with the Division of Dentistry in Zabrze, Department of Internal Diseases, Angiology and Physical Medicine, Center for Laser Diagnostics and Therapy, Medical University of Silesia in Katowice, Batorego Street 15, 41-902 Bytom, Poland;
| | - David Aebisher
- Department of Photomedicine and Physical Chemistry, Medical College of the University of Rzeszów, 35-310 Rzeszów, Poland;
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Kołodziej P, Nicoś M, Krawczyk PA, Bogucki J, Karczmarczyk A, Zalewski D, Kubrak T, Kołodziej E, Makuch-Kocka A, Madej-Czerwonka B, Płachno BJ, Kocki J, Bogucka-Kocka A. The Correlation of Mutations and Expressions of Genes within the PI3K/Akt/mTOR Pathway in Breast Cancer-A Preliminary Study. Int J Mol Sci 2021; 22:2061. [PMID: 33669698 PMCID: PMC7922286 DOI: 10.3390/ijms22042061] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 12/22/2020] [Revised: 02/08/2021] [Accepted: 02/16/2021] [Indexed: 12/12/2022] Open
Abstract
There is an urgent need to seek new molecular biomarkers helpful in diagnosing and treating breast cancer. In this elaboration, we performed a molecular analysis of mutations and expression of genes within the PI3K/Akt/mTOR pathway in patients with ductal breast cancer of various malignancy levels. We recognized significant correlations between the expression levels of the studied genes. We also performed a bioinformatics analysis of the data available on the international database TCGA and compared them with our own research. Studies on mutations and expression of genes were conducted using High-Resolution Melt PCR (HRM-PCR), Allele-Specific-quantitative PCR (ASP-qPCR), Real-Time PCR molecular methods in a group of women with ductal breast cancer. Bioinformatics analysis was carried out using web source Ualcan and bc-GenExMiner. In the studied group of women, it was observed that the prevalence of mutations in the studied PIK3CA and AKT1 genes was 29.63%. It was stated that the average expression level of the PIK3CA, PIK3R1, PTEN genes in the group of breast cancer patients is lower in comparison to the control group, while the average expression level of the AKT1 and mTOR genes in the studied group was higher in comparison to the control group. It was also indicated that in the group of patients with mutations in the area of the PIK3CA and AKT1 genes, the PIK3CA gene expression level is statistically significantly lower than in the group without mutations. According to our knowledge, we demonstrate, for the first time, that there is a very strong positive correlation between the levels of AKT1 and mTOR gene expression in the case of patients with mutations and without mutations.
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Affiliation(s)
- Przemysław Kołodziej
- Chair and Department of Biology and Genetics, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Marcin Nicoś
- Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, 20-954 Lublin, Poland; (M.N.); (P.A.K.)
| | - Paweł A. Krawczyk
- Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, 20-954 Lublin, Poland; (M.N.); (P.A.K.)
| | - Jacek Bogucki
- Department of Organic Chemistry, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Agnieszka Karczmarczyk
- Department of Experimental Haematooncology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Daniel Zalewski
- Chair and Department of Biology and Genetics, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Faculty of Medicine, University of Rzeszow, 35-310 Rzeszów, Poland;
| | - Elżbieta Kołodziej
- Department of Clinical Genetics, Medical University of Lublin, 20-080 Lublin, Poland; (E.K.); (J.K.)
| | - Anna Makuch-Kocka
- Department of Pharmacology, Medical University of Lublin, 20-059 Lublin, Poland;
| | - Barbara Madej-Czerwonka
- Department of Breast Surgery, District Specialist Hospital of Stefan Cardinal Wyszynski in Lublin, 20-718 Lublin, Poland;
- Department of Human Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
| | - Bartosz J. Płachno
- Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Kraków, 30-387 Kraków, Poland;
| | - Janusz Kocki
- Department of Clinical Genetics, Medical University of Lublin, 20-080 Lublin, Poland; (E.K.); (J.K.)
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Medical University of Lublin, 20-093 Lublin, Poland;
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Gala-Błądzińska A, Kubrak T, Czech J, Gargasz K, Mazur D, Przybylski A. P0193MEASUREMENTS OF SERUM CREATININE AND EGFR IN PATIENTS WITH CHRONIC CARDIORENAL SYNDROME TYPE 2 ARE INSUFFICIENT TO ASSESS RENAL RESPONSES TO RESYNCHRONIZATION THERAPY DURING A TREE-MONTH FOLLOW-UP. Nephrol Dial Transplant 2020. [DOI: 10.1093/ndt/gfaa142.p0193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background and Aims
Chronic cardiorenal sydrome type 2 (CRS-T2) has a complex pathophysiology. Treatment and evaluation of the clinical effects of CRS-T2 therapy is difficult in clinical practice. The study’s aim was to non-invasively assess renal function using biomarkers associated with nephron injury sites in patients with CRS-T2 following cardiac resynchronization therapy (CRT).
Method
The study included patients with CRS-T2 and heart failure in NYHA classes II-IV, in whom CRT devices had been implanted. Before cardiac resynchronization therapy and after 3 months, patients’ renal function was assessed using biomarkers measured in single urine and blood samples. Test results were correlated with cardiovascular fitness assessments.
Results
CRT was implanted in 56 (n = 17; 30.4% ♀) patients with a mean age of 66 ± 10 years with CRS-T2 in the course of coronary artery disease (n = 38) or dilated cardiomyopathy (n = 18) with eGFRCKD-EPI = 68.55 ± 20.34 ml / min / 1.73m2. The three-month follow-up was continued in 33 (61.11%) patients. Three months after implantation CRT, the responders group cardiovascular endurance improved by at least on NYHA class; showed a significant decrease in NT-pro BNP (n = 24; 72.72%; p = 0.004), a significant (p < 0.05) decrease in serum prostaglandin D2 synthase (sPGD2S) and albuminuria (uACR) concentrations (Figure 1 a), and increases in hematocrit (HCT), erythrocyte count (RBC) and hemoglobin (Hb). The urine samples of the non-responders group following CRT, showed significant (p <0.05) increases in lipocalin concentrations associated with neutrophil gelatinase (uNGAL), and a decrease in cystatin C (uCysC) concentrations (Figure 1 b). There were no significant changes in the concentration of serum creatinine (sCr), eGFRCKD-EPI, serum cystatin C or uromodulin in urine and serum; and urinary kidney injury molecule-1 (uKIM-1) was found in the urine of both responding and nonresponding groups (p> 0.05).
Conclusion
The sCR and eGFR CKD-EPI assessment should not be used to assess renal function in patients with type 2 chronic cardiac renal syndrome who have undergone CRT implantation. Renal function biomarkers that account for the pathophysiology of nephron injury and correlated with myocardial function: sPGD2S, uACR, uCysC, uNGAL. Also, increased HCT, RBC, and Hb are characteristic in responders.
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Affiliation(s)
- Agnieszka Gala-Błądzińska
- Medical College of Rzeszów, Institute of Medical Sciences, Rzeszow, Poland
- St` Queen Jadwiga Clinical District Hospital No2 in Rzeszów, Department of Internal Medicine, Nephrology and Endocrinology, Rzeszów, Poland
| | - Tomasz Kubrak
- Medical College of Rzeszow University, Institute of Medical Sciences, Rzeszów, Poland
| | - Joanna Czech
- Medical College of Rzeszow University, Institute of Medical Sciences, Rzeszów, Poland
| | - Krzysztof Gargasz
- Medical College of Rzeszow University, Institute of Medical Sciences, Rzeszów, Poland
| | - Danuta Mazur
- St` Queen Jadwiga Clinical District Hospital No2 in Rzeszów, Department of Cardiology, Rzeszów, Poland
| | - Andrzej Przybylski
- Medical College of Rzeszów, Institute of Medical Sciences, Rzeszow, Poland
- St` Queen Jadwiga Clinical District Hospital No2 in Rzeszów, Department of Cardiology, Rzeszów, Poland
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Kubrak T, Czop M, Kołodziej P, Ziaja-Sołtys M, Bogucki J, Makuch-Kocka A, Aebisher D, Kocki J, Bogucka-Kocka A. The Effect of Furanocoumarin Derivatives on Induction of Apoptosis and Multidrug Resistance in Human Leukemic Cells. Molecules 2019; 24:molecules24091824. [PMID: 31083598 PMCID: PMC6539621 DOI: 10.3390/molecules24091824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 04/30/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 11/24/2022] Open
Abstract
Background: The insensitivity of cancer cells to therapeutic agents is considered to be the main cause of failure of therapy and mortality of patients with cancer. A particularly important problem in these patients is the phenomenon of multidrug resistance, consisting of abnormal, elevated expression of transport proteins (ABC family). The aim of this research included determination of IC50 values of selected furanocoumarins in the presence and absence of mitoxantrone in leukemia cells and analysis of changes in apoptosis using anexinV/IP and Casp3/IP after 24 h exposure of cell lines to selected coumarins in the presence and absence of mitoxantrone in IC50 concentrations. Methods: Research was conducted on 3 cell lines derived from the human hematopoietic system: HL-60, HL-60/MX1 and HL-60/MX2. After exposure to coumarin compounds, cells were subjected to cytometric analysis to determine the induction of apoptosis by two methods: the Annexin V test with propidium iodide and the PhiPhiLux-G1D2 reagent containing caspase 3 antibodies. Results: All of the furanocoumarin derivatives studied were found to induce apoptosis in leukemia cell lines. Conclusions: Our results clearly show that the furanocoumarin derivatives are therapeutic substances with antitumor activity inducing apoptosis in human leukemia cells with phenotypes of resistance.
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Affiliation(s)
- Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Faculty of Medicine, University of Rzeszow, Aleja Rejtana 16A, 35-310 Rzeszów, Poland.
| | - Marcin Czop
- Department of Clinical Genetics, Faculty of Medicine with Dentistry Division, Medical University of Lublin, 20-059 Lublin, Poland.
| | - Przemysław Kołodziej
- Chair and Department of Biology and Genetics, Faculty of Pharmacy with Medical Analytics Division, Medical University of Lublin, 20-059 Lublin, Poland.
| | - Marta Ziaja-Sołtys
- Chair and Department of Biology and Genetics, Faculty of Pharmacy with Medical Analytics Division, Medical University of Lublin, 20-059 Lublin, Poland.
| | - Jacek Bogucki
- Department of Clinical Genetics, Faculty of Medicine with Dentistry Division, Medical University of Lublin, 20-059 Lublin, Poland.
| | - Anna Makuch-Kocka
- Department of Pharmacology, Faculty of Health Sciences, Medical University of Lublin, 20-059 Lublin, Poland.
| | - David Aebisher
- Department of Photomedicine and Physical Chemistry, Faculty of Medicine, University of Rzeszow, Aleja Rejtana 16A, 35-310 Rzeszów, Poland.
| | - Janusz Kocki
- Department of Clinical Genetics, Faculty of Medicine with Dentistry Division, Medical University of Lublin, 20-059 Lublin, Poland.
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Faculty of Pharmacy with Medical Analytics Division, Medical University of Lublin, 20-059 Lublin, Poland.
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Dresler S, Bogucka-Kocka A, Kováčik J, Kubrak T, Strzemski M, Wójciak-Kosior M, Rysiak A, Sowa I. Separation and determination of coumarins including furanocoumarins using micellar electrokinetic capillary chromatography. Talanta 2018; 187:120-124. [PMID: 29853023 DOI: 10.1016/j.talanta.2018.05.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [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: 02/15/2018] [Revised: 05/02/2018] [Accepted: 05/07/2018] [Indexed: 11/19/2022]
Abstract
The conditions of micellar electrokinetic capillary chromatography for separation and simultaneous measurement of coumarins (coumarin, scoparone, isoscopoletin, esculin, esculetin, umbelliferone) including furanocoumarins (xanthotoxin, byakangelicin, isopimpinellin, bergapten, phellopterin, xanthotoxol) have been elaborated. The influence of different parameters, such as the pH of the buffer, sodium cholate (SC) or methanol concentration in the buffer, on the migration time, peak resolution, peak asymmetry, and number of theoretical plates was investigated. The optimum separation of the compounds was achieved using 50-µm i.d. capillaries with a total length of 64.5 cm (56 cm effective length) and a buffer system at pH 9.00 consisting of 50 mM sodium tetraborate, 45 mM SC, and 20% of methanol (v/v). The developed method ensured good repeatability of corrected peak areas and migration times (the relative standard deviations were in the range of 2.8-6.1% and 0.8-4.0%, respectively). The average limit of detection for all studied compounds was below 1.3 µg mL. Moreover, good linearity of the relationship between the peak corrected area and the concentration of the compounds was observed (correlation coefficient >0.99). The method was successfully applied in the quantitative analysis of two different types of samples, i.e. Heracleum sphondylium herb and Aesculus hippocastanum cortex.
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Affiliation(s)
- Sławomir Dresler
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland.
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Medical University of Lublin, Chodźki 4a, 20-094 Lublin, Poland
| | - Jozef Kováčik
- Department of Biology, University of Trnava, Priemyselná 4, 918 43 Trnava, Slovak Republic
| | - Tomasz Kubrak
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszów, Warzywna 1a, 35-310 Rzeszów, Poland
| | - Maciej Strzemski
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Magdalen Wójciak-Kosior
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Anna Rysiak
- Department of Ecology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
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Kubrak T, Bogucka-Kocka A, Komsta Ł, Załuski D, Bogucki J, Galkowski D, Kaczmarczyk R, Feldo M, Cioch M, Kocki J. Modulation of Multidrug Resistance Gene Expression by Coumarin Derivatives in Human Leukemic Cells. Oxid Med Cell Longev 2017; 2017:5647281. [PMID: 29387293 PMCID: PMC5745744 DOI: 10.1155/2017/5647281] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 11/06/2017] [Indexed: 01/03/2023]
Abstract
The presence of multidrug resistance (MDR) in tumor cells is considered as the major cause of failure of cancer chemotherapy. The mechanism responsible for the phenomenon of multidrug resistance is explained, among others, as overexpression of membrane transporters primarily from the ABC family which actively remove cytostatics from the tumor cell. The effect of 20 coumarin derivatives on the cytotoxicity and expression of MDR1, MRP1, BCRP, and LRP genes (encoding proteins responsible for multidrug resistance) in cancer cells was analyzed in the study. The aim of this research included determination of IC10 and IC50 values of selected coumarin derivatives in the presence and absence of mitoxantrone in leukemia cells and analysis of changes in the expression of genes involved in multidrug resistance: MDR1, MRP, LRP, and BCRP after 24-hour exposure of the investigated cell lines to selected coumarins in the presence and absence of mitoxantrone in IC10 and IC50 concentrations. The designed research was conducted on 5 cell lines derived from the human hematopoietic system: CCRF/CEM, CEM/C1, HL-60, HL-60/MX1, and HL-60/MX2. Cell lines CEM/C1, HL-60/MX1, and HL-60/MX2 exhibit a multidrug resistance phenotype.
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Affiliation(s)
- Tomasz Kubrak
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, Rzeszow, Poland
| | - Anna Bogucka-Kocka
- Department of Biology and Genetics, Medical University of Lublin, Lublin, Poland
| | - Łukasz Komsta
- Department of Medicinal Chemistry, Medical University of Lublin, Lublin, Poland
| | - Daniel Załuski
- Department of Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 9 Marie Curie-Skłodowska Street, 85-094 Bydgoszcz, Poland
| | | | | | - Robert Kaczmarczyk
- Department of Neurosurgery and Paediatric Neurosurgery, Medical University of Lublin, Lublin, Poland
| | - Marcin Feldo
- Department of Vascular Surgery and Angiology, Medical University of Lublin, Lublin, Poland
| | - Maria Cioch
- Department of Hemato-Oncology and Bone Marrow Transplantation, Medical University of Lublin, Lublin, Poland
| | - Janusz Kocki
- Department of Clinical Genetics, Medical University of Lublin, Lublin, Poland
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Dresler S, Rutkowska E, Bednarek W, Stanisławski G, Kubrak T, Bogucka-Kocka A, Wójcik M. Selected secondary metabolites in Echium vulgare L. populations from nonmetalliferous and metalliferous areas. Phytochemistry 2017; 133:4-14. [PMID: 27855956 DOI: 10.1016/j.phytochem.2016.11.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/03/2016] [Accepted: 11/08/2016] [Indexed: 06/06/2023]
Abstract
The aim of this study was to evaluate the effect of severe environmental conditions prevailing on metalliferous waste heaps and heavy metal-contaminated growth substrates on accumulation of selected secondary metabolites, antioxidant capacity, and heavy metal concentration in two metallicolous (MC, MZ) and one nonmetallicolous (NM) populations of Echium vulgare L. The shoots and the roots of the three studied populations were collected from their natural habitats. Additionally, the plants were cultivated on different growth substrates, i.e. a contaminated substrate obtained from the areas of growth of the MZ and MC populations and an uncontaminated one from the NM population site. Several compounds, i.e. allantoin, rutin, rosmarinic acid, chlorogenic acid, and 4-hydroxybenzoic acid were identified in the shoots. Moreover, rosmarinic acid, allantoin, and shikonin were measured in the roots. The adverse environmental conditions contributed to a ca. 10- and 4-fold increase in the concentration of allantoin in the roots and shoots, respectively, as well as a ca. 4-fold and ca. 3-fold increase in the level of 4-hydroxybenzoic acid and shikonin, respectively, in comparison with the plants from the uncontaminated site. Similarly, a great impact of the contaminated substrate on the compounds was demonstrated in the soil experiment. Regardless of the populations, even ca. 20-fold higher levels of allantoin and shikonin were observed in plants grown on the MC and MZ substrates. In contrast, the chlorogenic acid concentration was lower in plants collected from the metalliferous areas and in all populations cultivated on the contaminated substrates in comparison with plants from the uncontaminated soil. Unambiguous results were obtained in the case of rutin, i.e. decreased accumulation in both metallicolous populations from the natural environment and increased accumulation in plants grown on the contaminated substrates. The high concentrations of heavy metals in the substrates contributed to high HM concentrations in plant tissues. However, some differences were observed between the metallicolous and nonmetallicolous populations - the accumulation of metals was lower in the shoots and higher in the roots of the NM population, compared with the MZ and MC populations.
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Affiliation(s)
- Sławomir Dresler
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland.
| | - Ewelina Rutkowska
- Laboratory of Medicinal Chemistry and Neuroengineering, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Wiesław Bednarek
- Department of Agricultural and Environmental Chemistry, University of Life Sciences, Akademicka 15, 20-950 Lublin, Poland
| | - Grzegorz Stanisławski
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Tomasz Kubrak
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszów, Warzywna 1a, 35-310 Rzeszów, Poland
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Medical University of Lublin, Chodźki 4a, 20-094 Lublin, Poland
| | - Małgorzata Wójcik
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
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Dresler S, Kubrak T, Rutkowska E, Gagoś M, Bogucka-Kocka A, Świeboda R, Wójcik M. Comparison of Analytical Methods in Chemometric Fingerprinting of Metallicolous and Non-metallicolous Populations of Echium vulgare L. Phytochem Anal 2016; 27:239-248. [PMID: 27438582 DOI: 10.1002/pca.2620] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Revised: 03/17/2016] [Accepted: 03/21/2016] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Adverse environmental conditions usually change plant biochemical pathways resulting in accumulation or decreased content of both primary and secondary metabolites. The chemometric fingerprinting analysis proves to be a useful tool to reveal phytochemical differentiation between plants inhabiting heavy metal-contaminated and uncontaminated areas. OBJECTIVE Development and assessment of four analytical techniques - high performance capillary electrophoresis (HPCE), thin-layer chromatography (TLC), mass spectrometry (MS), and Fourier transform infrared (FTIR) spectroscopy in chemometric fingerprinting of metallicolous and non-metallicolous populations of Echium vulgare L. MATERIAL AND METHODS Twenty-one crude methanol extracts of shoot samples representing three populations of Echium vulgare L., two originating from highly metal polluted areas and one from an unpolluted area, were investigated using four analytical methods: HPCE, TLC, MS, and FTIR spectroscopy. Data pre-processing (denoising, background subtracting, horizontal alignment) followed by principal component analysis (PCA), hierarchical clustering analysis (HCA), and phytochemical difference index (DI) calculations facilitated exploration of the differences and similarities between the populations. RESULTS Clear phytochemical divergence between metallicolous and non-metallicolous populations of Echium vulgare was found. The suitability of the analytical techniques for revealing phytochemical markers and discrimination of individuals originating from different populations differed and in general increased in the order: TLC < MS = HPCE < FTIR. CONCLUSION The chemometric methods applied were successful in discrimination between samples from polluted and unpolluted areas, showing a potential perspective for environmental quality control. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Sławomir Dresler
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Tomasz Kubrak
- Chair and Department of Biology and Genetics, Medical University of Lublin, Chodźki 4a, 20-093, Lublin, Poland
| | - Ewelina Rutkowska
- Department of Biopharmacy, Medical University of Lublin, Chodźki 4a, 20-093, Lublin, Poland
| | - Mariusz Gagoś
- Department of Cell Biology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Medical University of Lublin, Chodźki 4a, 20-093, Lublin, Poland
| | - Ryszard Świeboda
- Department of Inorganic Chemistry, Medical University of Lublin, Chodźki 4a, 20-093, Lublin, Poland
| | - Małgorzata Wójcik
- Department of Plant Physiology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
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Och M, Och A, Cieśla Ł, Kubrak T, Pecio Ł, Stochmal A, Kocki J, Bogucka-Kocka A. Study of cytotoxic activity, podophyllotoxin, and deoxypodophyllotoxin content in selected Juniperus species cultivated in Poland. Pharm Biol 2015; 53:831-837. [PMID: 25720974 DOI: 10.3109/13880209.2014.943246] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT The demand for podophyllotoxin and deoxypodophyllotoxin is still increasing and commercially exploitable sources are few and one of them, Podophyllum hexandrum Royle (Berberidaceae), is a "critically endangered" species. OBJECTIVE The first aim was to quantify the amount of podophyllotoxin and deoxypodophyllotoxin in 61 Juniperus (Cupressaceae) samples. Cytotoxic activity of podophyllotoxin and ethanolic leaf extracts of Juniperus scopulorum Sarg. "Blue Pacific" and Juniperus communis L. "Depressa Aurea" was examined against different leukemia cell lines. MATERIALS AND METHODS Ultra-performance liquid chromatography (UPLC) analysis was performed with the use of a Waters ACQUITY UPLC(TM) system (Waters Corp., Milford, MA). The peaks of podophyllotoxin and deoxypodophyllotoxin were assigned on the basis of their retention data and mass-to-charge ratio (m/z). Trypan blue assay was performed to obtain IC50 cytotoxicity values against selected leukemia cell lines. RESULTS Juniperus scopulorum was characterized with the highest level of podophyllotoxin (486.7 mg/100 g DW) while Juniperus davurica Pall. contained the highest amount of deoxypodophyllotoxin (726.8 mg/100 g DW). Podophyllotoxin IC50 cytotoxicity values against J45.01 and CEM/C1 leukemia cell lines were 0.0040 and 0.0286 µg/mL, respectively. Juniperus scopulorum extract examined against J45.01 and HL-60/MX2 leukemia cell lines gave the respective IC50 values: 0.369-9.225 µg/mL. Juniperus communis extract was characterized with the following IC50 cytotoxity values against J45.01 and U-266B1 cell lines: 3.310-24.825 µg/mL. CONCLUSIONS Juniperus sp. can be considered as an alternative source of podophyllotoxin and deoxypodophyllotoxin. Cytotoxic activity of podophyllotoxin and selected leaf extracts of Juniperus sp. against a set of leukemia cell lines was demonstrated.
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Affiliation(s)
- Marek Och
- Department of Clinical Genetics, Faculty of Medicine, Medical University of Lublin , Lublin , Poland
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Dresler S, Kubrak T, Bogucka-Kocka A, Szymczak G. Determination of Shikonin and Rosmarinic Acid in Echium vulgare L. and Echium russicum J.F. Gmel. by Capillary Electrophoresis. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2014.951767] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Sławomir Dresler
- Department of Plant Physiology, Maria Curie-Skłodowska University in Lublin, Lublin, Poland
| | - Tomasz Kubrak
- Department of Pharmaceutical Botany, Medical University of Lublin, Lublin, Poland
| | - Anna Bogucka-Kocka
- Department of Pharmaceutical Botany, Medical University of Lublin, Lublin, Poland
| | - Grażyna Szymczak
- Botanical Garden of Maria Curie-Skłodowska University Lublin, Poland
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Bartosik K, Kubrak T, Olszewski T, Jung M, Buczek A. Prevention of tick bites and protection against tick-borne diseases in south-eastern Poland. Ann Agric Environ Med 2008; 15:181-185. [PMID: 19061252] [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] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The objective of this survey was to obtain information on the level of knowledge of prophylactic behaviour as a protection against fundamental tick-borne diseases among inhabitants of south-eastern Poland, and to determine whether the professions that increase the probability of tick contact, as well as previous contact with ticks, influenced the knowledge on tick-borne diseases and prophylactic behaviour of the respondents. The questionnaire included questions about gender of respondents, their place of residence and preventive behaviour against tick bite. The respondents were asked about the occupational hazard of working in tick infested areas, history of tick bites, awareness of diseases transmitted by ticks and the sources of their knowledge. The research was carried out in 2005. The most frequent preventive measures used were tick repellents (38 % ) and wearing protective clothing (35 % ). According to the questionnaire survey, 21 % of respondents did not take any preventive measures. The practice and form of prophylaxis was associated with the place of residence. In contrast to individuals from rural areas, a relatively low percentage of urban inhabitants used simple methods for protecting themselves against tick bites. Our survey indicates that the awareness of the Lublin region inhabitants concerning methods of tick bite prevention is still low and greater efforts are needed in promoting basic methods of protection and disseminating knowledge about these arthropods.
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Affiliation(s)
- Katarzyna Bartosik
- Chair and Department of Biology and Parasitology, Medical University of Lublin, Radziwillowska 11, Lublin, Poland.
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Bartosik K, Kubrak T, Sitarz M, Swieicicka M, Buczek A. [The public health risk of ticks and tick-borne diseases in the south-eastern Poland]. Wiad Parazytol 2004; 50:249-52. [PMID: 16859031] [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] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The aim of the study was to estimate risk of tick-borne diseases among inhabitants of Lublin macroregion. The incidence of Lyme disease in the residents of Lubelskie Voivodeship increased from 2.9 to 6.3 in the period between 2002 and 2003. In 16% of patients studied there were systemic reactions observed after tick bite, while the local symptoms were noted in 56% of bitten subjects. Our data indicates that 59% of the respondents have poor knowledge of ticks and tic-borne diseases.
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Affiliation(s)
- Katarzyna Bartosik
- Katedra i Zakład Biologii i Parazytologii Wydziału Lekarskiego, Akademia Medyczna im. Prof. Feliksa Skubiszewskiego, ul. Radziwillowska 11, 20-080 Lublin
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