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Lisieska-Żołnierczyk S, Gajęcka M, Dąbrowski M, Zielonka Ł, Gajęcki MT. A Cohort Study Investigating Zearalenone Concentrations and Selected Steroid Levels in Patients with Sigmoid Colorectal Cancer or Colorectal Cancer. Toxins (Basel) 2023; 16:15. [PMID: 38251232 PMCID: PMC10821418 DOI: 10.3390/toxins16010015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
THE AIM In this study was to determine if sigmoid colorectal cancer (SCC) and colorectal cancer (CRC) in women (W) and men (M) is accompanied by zearalenone (ZEN) mycotoxicosis and changes in selected steroid levels. MATERIALS AND METHODS This cohort study was conducted on female and male patients selected from a population based on the presence of SCC or CRC, which was accompanied by the presence or absence (control group) of ZEN in their blood. The control group consisted of 17 patients with symptoms of SCC and CRC, where ZEN and its metabolites were not detected in the peripheral blood. The experimental groups comprised a total of 16 patients with SCC and CRC, where ZEN, but not its metabolites, was detected in their peripheral blood samples. RESULTS In groups SCC and CRC, the ZEN levels were very high, in the range from 214 to 289 ng/mL of blood. Considerable variations were observed in the concentrations of steroid hormones. Estradiol (E2) levels ranged from 166.25 (group C) to 325 pg/mL (group CRC) in women and from 98 (group C) to 95.5 pg/mL (group CRC) in men. Progesterone (P4) levels ranged from 12.09 (group C) to 13.64 ng/mL (group SCC) in women and from 6.98 (group CRC) to 12.01 ng/mL (group C) in men. CONCLUSIONS These results indicate that post-menopausal women and similarly aged elderly men have a high and individualized demand for estrogen that is relatively effectively met by ZEN, which triggers qualitative changes in estrogen receptors. The shortage of ZEN metabolites (values under the sensitivity of the method) confirmed the high estrogen demand in the studied subjects. The presence or absence of ZEN could have influenced the therapeutic outcomes in the analyzed patients.
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Affiliation(s)
- Sylwia Lisieska-Żołnierczyk
- Independent Public Health Care Centre of the Ministry of the Interior and Administration, and the Warmia and Mazury Oncology Centre in Olsztyn, Wojska Polskiego 37, 10-228 Olsztyn, Poland;
| | - Magdalena Gajęcka
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland; (M.D.); (Ł.Z.); (M.T.G.)
| | - Michał Dąbrowski
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland; (M.D.); (Ł.Z.); (M.T.G.)
| | - Łukasz Zielonka
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland; (M.D.); (Ł.Z.); (M.T.G.)
| | - Maciej T. Gajęcki
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland; (M.D.); (Ł.Z.); (M.T.G.)
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Karaman EF, Abudayyak M, Ozden S. The role of chromatin-modifying enzymes and histone modifications in the modulation of p16 gene in fumonisin B 1-induced toxicity in human kidney cells. Mycotoxin Res 2023:10.1007/s12550-023-00494-2. [PMID: 37328702 DOI: 10.1007/s12550-023-00494-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/18/2023]
Abstract
Fumonisin B1 (FB1) poses a risk to animal and human health. Although the effects of FB1 on sphingolipid metabolism are well documented, there are limited studies covering the epigenetic modifications and early molecular alterations associated with carcinogenesis pathways caused by FB1 nephrotoxicity. The present study investigates the effects of FB1 on global DNA methylation, chromatin-modifying enzymes, and histone modification levels of the p16 gene in human kidney cells (HK-2) after 24 h exposure. An increase (2.23-fold) in the levels of 5-methylcytosine (5-mC) at 100 µmol/L was observed, a change independent from the decrease in gene expression levels of DNA methyltransferase 1 (DNMT1) at 50 and 100 µmol/L; however, DNMT3a and DNMT3b were significantly upregulated at 100 µmol/L of FB1. Dose-dependent downregulation of chromatin-modifying genes was observed after FB1 exposure. In addition, chromatin immunoprecipitation results showed that 10 µmol/L of FB1 induced a significant decrease in H3K9ac, H3K9me3 and H3K27me3 modifications of p16, while 100 µmol/L of FB1 caused a significant increase in H3K27me3 levels of p16. Taken together, the results suggest that epigenetic mechanisms might play a role in FB1 carcinogenesis through DNA methylation, and histone and chromatin modifications.
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Affiliation(s)
- Ecem Fatma Karaman
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Biruni University, 34010, Topkapi, Istanbul, Turkey
| | - Mahmoud Abudayyak
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey
| | - Sibel Ozden
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey.
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Ersever E, Aral A, Goktas T, Pınar L. Comparison of interleukin-6, oxidant and antioxidant levels in the kidneys of the trained and untrained rats following exhaustive exercise. COMPARATIVE EXERCISE PHYSIOLOGY 2023. [DOI: 10.3920/cep220026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
In this study, the cytokine response (interleukin-6; IL-6), free oxygen radicals which are claimed to be responsible for the damage in the kidney tissue of exercise-trained rats and untrained-rats, and antioxidant levels were investigated after being forced to an exhausting run. Forty male Wistar albino rats were assigned to the following groups: sedentary controls (C); untrained animals that acutely completed the exhaustive exercise and were sacrificed immediately after exhaustion (UT-i) or 1 day after exhaustion (UT-1); and long-term trained animals that completed the exhaustive exercise and were sacrificed immediately after exhaustion (T-i) or 1 day after exhaustion (T-1). In UT-i and 1 day after exhaustion (T-1) groups, total oxidant status levels were increased compared to controls (P<0.05). IL-6, which is reported to have an anti-inflammatory effect in exercise, did not increase in untrained group immediately, but started to increase 1 day after exhaustion compared to controls. IL-6 levels were significantly increased in the T-i and T-1 groups compared to the control and UT-i groups (P<0.05). The level of total antioxidant status did not show a significant increase in the UT-i group but started to rise after exhaustion the T-1 group. IL-6 levels were significantly increased in the T-i and T-1 groups compared to the control, UT-i, and UT-1 groups (P<0.05). As a result, while oxidant stress and antioxidant mechanism increased immediately in the trained group, IL-6 increased significantly immediately and 1 day later. In the untrained group, however, an increase was observed in oxidant stress, antioxidant mechanism, and IL-6 levels after 1 day.
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Affiliation(s)
- E.M. Ersever
- Sağlık Bilimleri Üniversitesi, Department of Physical Medicine and Rehabilitation, Ankara Training and Research Hospital, 06600 Ankara, Turkey
| | - A. Aral
- Izmir Demokrasi University, Gürsel Aksel Bulvarı 14, 35140 Izmir, Turkey
| | - T. Goktas
- Lokman Hekim university, Söğütözü 2179. Sk. No:6, 06510 Ankara, Turkey
| | - L. Pınar
- Okan university, Tuzla Campus, 34959 Tuzla, Istanbul, Turkey
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Mehtiyev T, Karaman EF, Ozden S. Alterations in cell viability, reactive oxygen species production, and modulation of gene expression involved in mitogen-activated protein kinase/extracellular regulating kinase signaling pathway by glyphosate and its commercial formulation in hepatocellular carcinoma cells. Toxicol Ind Health 2023; 39:81-93. [PMID: 36625791 DOI: 10.1177/07482337221149571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Glyphosate (N-phosphonomethyl glycine) is a non-selective, organophosphate herbicide widely used in agriculture and forestry. We investigated the possible toxic effects of the glyphosate active compound and its commercial formulation (Roundup Star®) in the human hepatocellular carcinoma (HepG2) cell line, including their effects on the cytotoxicity, cell proliferation, reactive oxygen species (ROS) levels, and expression of oxidative stress-related genes such as HO-1, Hsp70 Nrf2, L-FABP, and Keap1. MTT and NRU tests indicated that the IC50 values of Roundup Star® were 219 and 140 μM, respectively, and because glyphosate failed to induce cell death at the studied concentrations, an IC50 value could not be determined for this cell line. Roundup Star at concentrations of 50 and 100 μM significantly increased (39.58% and 52%, respectively) cell proliferation, which 200 μM of glyphosate increased by 35.38%. ROS levels increased by 27.97% and 44.77% for 25 and 100 μM of Roundup Star and 32.74% and 38.63% for 100 and 200 μM of glyphosate exposure. In conclusion, Roundup Star and glyphosate significantly increased expression levels of selected genes related to the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway. This suggests that ROS production and the MAPK/ERK signaling pathway may be key molecular mechanisms in the toxicity of glyphosate in liver cells.
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Affiliation(s)
- Toghrul Mehtiyev
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey.,Institute of Graduate Studies in Health Sciences, Istanbul University, Istanbul, Turkey
| | - Ecem Fatma Karaman
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey.,Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 420479Biruni University, Istanbul, Turkey
| | - Sibel Ozden
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey
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Gheraibia S, Belattar N, Diab KA, Hassan ME, El-Nekeety AA, Abdel-Aziem SH, Hassan NS, Abdel-Wahhab MA. Costus speciosus extract protects against the oxidative damage of zearalenone via modulation of inflammatory cytokines, Nrf2 and iNOS gene expression in rats. Toxicon 2022; 214:62-73. [PMID: 35597521 DOI: 10.1016/j.toxicon.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 05/06/2022] [Accepted: 05/11/2022] [Indexed: 11/17/2022]
Abstract
Zearalenone (ZEN) is a non-steroidal estrogenic mycotoxin that induces severe health disturbances in humans and animals. This study aimed to determine the bioactive compounds in Costus speciosus extract (CSE) using GC-MS and evaluate its protective capability against ZEN-induced oxidative damage, genotoxicity, and cytotoxicity in rats. Six groups of male Sprague Dawley rats were treated orally for 15 days including the control group, CSE-treated groups at low (200 mg/kg b. w) or high (400 mg/kg b. w) dose, ZEN-treated group (40 μg/kg b. w), and the groups treated with ZEN plus the low or the high dose of CSE. Blood and tissue samples were collected for different assays and pathological analyses. The results of GC-MS indicated the identification of 6 compounds and Azulene was the major. Animals that received ZEN showed severe disturbances in serum biochemical, cytokines, oxidative stress indicators, mRNA expression of iNOS, Nrf2, and inflammatory-related genes. ZEN also increased micronucleated polychromatic erythrocytes (MNPCEs) and comet tail formation in bone marrow cells along with the disturbances in the histological architecture of the liver and kidney. Co-administration of CSE plus ZEN could normalize the majority of the tested parameters and the histological picture at a dose as low as 200 mg/kg b. w. Therefore, CSE protects against ZEN toxicity via its antioxidant activity, modulation of iNOS, inflammatory-related genes, and the Nrf2 pathway and it could be used in the endemic regions.
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Affiliation(s)
- Sara Gheraibia
- Laboratory of Applied Biochemistry, Faculty of Sciences of Nature and Life, Ferhat Abbes University, Setif, 1, Algeria
| | - Noureddine Belattar
- Laboratory of Applied Biochemistry, Faculty of Sciences of Nature and Life, Ferhat Abbes University, Setif, 1, Algeria
| | - Kawthar A Diab
- Genetics and Cytology Department, National Research Center, Dokki, Cairo, Egypt
| | - Marwa E Hassan
- Toxicology Dept., Research Institute of Medical Entomology, Giza, Egypt
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | | | - Nabila S Hassan
- Pathology Department, National Research Center, Dokki, Cairo, Egypt
| | - Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt.
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Llorens P, Herrera M, Juan-García A, Payá JJ, Moltó JC, Ariño A, Juan C. Biomarkers of Exposure to Zearalenone in In Vivo and In Vitro Studies. Toxins (Basel) 2022; 14:toxins14050291. [PMID: 35622538 PMCID: PMC9142966 DOI: 10.3390/toxins14050291] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 03/25/2022] [Accepted: 04/18/2022] [Indexed: 02/01/2023] Open
Abstract
The measurement of human exposure to mycotoxins is necessary for its association with adverse health effects. This exposure is usually estimated from contamination levels of foodstuffs, which are the primary source of toxin exposure, and data on food consumption patterns. However, variations in contamination level, intestinal absorption, toxin distribution, and excretion lead to individual variations in toxin exposure that can be more readily measured with a biomarker. This review deals with the latest literature information about ZEN biomarkers in humans, animals, and cell line cultures. Their presence in urine, biomarkers that have effects in the kidney, liver, reproductive system and blood and biomarkers of cell response have been reported. It has highlighted the importance of determining α-zearalenol and β-zearalenol biomarkers to estimate the probable dietary intake (PDI) of a specific population or to characterize the severity of exposure to ZEN in animals or cell lines. α-ZEL and β-ZEL are cytotoxic by inhibiting cell proliferation, total protein and DNA syntheses, in this sense, an induction of expression proteins Hsp27 and Hsp70 was observed, and an increase in gene expression (TLR4, NF-kBp65, TNF-α, IL-1β, IL-6, IL-8, MGMT, α-GST, Hsp70, Nrf2, L-Fabp, HO-1, MAPK8), the determination of which indicates an oxidative stress effect. The integrity of the cell or tissue membrane is assessed by lactate dehydrogenase (LDH), which increase at exposure of ZEN (84.2 µM), and the proportions of some fatty acids of the renal tissue membrane were increased at treatments with ZEN. This review allows starting future studies of animal and population exposure in parallel with those of health effects works.
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Affiliation(s)
- Paula Llorens
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain; (P.L.); (A.J.-G.); (J.J.P.); (J.C.M.); (C.J.)
| | - Marta Herrera
- Instituto Agroalimentario de Aragón—IA2 (Universidad de Zaragoza-CITA), Facultad de Veterinaria, 50013 Zaragoza, Spain;
- Correspondence: ; Tel.: +34-976-761580
| | - Ana Juan-García
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain; (P.L.); (A.J.-G.); (J.J.P.); (J.C.M.); (C.J.)
| | - Juan José Payá
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain; (P.L.); (A.J.-G.); (J.J.P.); (J.C.M.); (C.J.)
| | - Juan Carlos Moltó
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain; (P.L.); (A.J.-G.); (J.J.P.); (J.C.M.); (C.J.)
| | - Agustín Ariño
- Instituto Agroalimentario de Aragón—IA2 (Universidad de Zaragoza-CITA), Facultad de Veterinaria, 50013 Zaragoza, Spain;
| | - Cristina Juan
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain; (P.L.); (A.J.-G.); (J.J.P.); (J.C.M.); (C.J.)
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Berthiller F. Foreword. WORLD MYCOTOXIN J 2021. [DOI: 10.3920/wmj2021.x001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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