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Tossetta G, Fantone S, Piani F, Crescimanno C, Ciavattini A, Giannubilo SR, Marzioni D. Modulation of NRF2/KEAP1 Signaling in Preeclampsia. Cells 2023; 12:1545. [PMID: 37296665 PMCID: PMC10252212 DOI: 10.3390/cells12111545] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/24/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
Placentation is a key and tightly regulated process that ensures the normal development of the placenta and fetal growth. Preeclampsia (PE) is a hypertensive pregnancy-related disorder involving about 5-8% of all pregnancies and clinically characterized by de novo maternal hypertension and proteinuria. In addition, PE pregnancies are also characterized by increased oxidative stress and inflammation. The NRF2/KEAP1 signaling pathway plays an important role in protecting cells against oxidative damage due to increased reactive oxygen species (ROS) levels. ROS activate NRF2, allowing its binding to the antioxidant response element (ARE) region present in the promoter of several antioxidant genes such as heme oxygenase, catalase, glutathione peroxidase and superoxide dismutase that neutralize ROS, protecting cells against oxidative stress damages. In this review, we analyze the current literature regarding the role of the NRF2/KEAP1 pathway in preeclamptic pregnancies, discussing the main cellular modulators of this pathway. Moreover, we also discuss the main natural and synthetic compounds that can regulate this pathway in in vivo and in vitro models.
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Affiliation(s)
- Giovanni Tossetta
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.F.); (D.M.)
| | - Sonia Fantone
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.F.); (D.M.)
| | - Federica Piani
- Cardiovascular Internal Medicine, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40128 Bologna, Italy;
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
| | - Caterina Crescimanno
- School of Human and Social Science, University “Kore” of Enna, 94100 Enna, Italy;
| | - Andrea Ciavattini
- Clinic of Obstetrics and Gynaecology, Department of Clinical Sciences, Università Politecnica delle Marche, Salesi Hospital, 60123 Ancona, Italy; (A.C.); (S.R.G.)
| | - Stefano Raffaele Giannubilo
- Clinic of Obstetrics and Gynaecology, Department of Clinical Sciences, Università Politecnica delle Marche, Salesi Hospital, 60123 Ancona, Italy; (A.C.); (S.R.G.)
| | - Daniela Marzioni
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.F.); (D.M.)
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1-O-Hexyl-2,3,5-Trimethylhydroquinone Ameliorates the Development of Preeclampsia through Suppression of Oxidative Stress and Endothelial Cell Apoptosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8839394. [PMID: 33542786 PMCID: PMC7840260 DOI: 10.1155/2021/8839394] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 12/26/2020] [Accepted: 01/06/2021] [Indexed: 12/14/2022]
Abstract
1-O-Hexyl-2,3,5-trimethylhydroquinone (HTHQ), a potent nuclear factor-E2-related factor 2 (Nrf2) activator, has potent antioxidant activity by scavenging reactive oxygen species (ROS). However, the role of HTHQ on the development of preeclampsia (PE) and the underlying mechanisms have barely been explored. In the present study, PE model was induced by adenovirus-mediated overexpression of soluble fms-like tyrosine kinase 1 (sFlt-1) in pregnant mice. The results showed that HTHQ treatment significantly relieved the high systolic blood pressure (SBP) and proteinuria and increased the fetal weight and fetal weight/placenta weight in preeclamptic mice. Furthermore, we found that HTHQ treatment significantly decreased soluble endoglin (sEng), endothelin-1 (ET-1), and activin A and restored vascular endothelial growth factor (VEGF) in preeclamptic mice. In addition, HTHQ treatment inhibited oxidative stress and endothelial cell apoptosis by increasing the levels of Nrf2 and its downstream haemoxygenase-1 (HO-1) protein. In line with the data in vivo, we discovered that HTHQ treatment attenuated oxidative stress and cell apoptosis in human umbilical vein endothelial cells (HUVECs) following hypoxia and reperfusion (H/R), and the HTHQ-mediated protection was lost after transfected with siNrf2. In conclusion, these results suggested that HTHQ ameliorates the development of preeclampsia through suppression of oxidative stress and endothelial cell apoptosis.
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Hamza RZ, Ismail HAA, El-Shenawy NS. Oxidative stress, histopathological and electron microscopic alterations induced by dimethylnitrosamine in renal male mice and the protective effect of α-lipoic acid. J Basic Clin Physiol Pharmacol 2017; 28:149-158. [PMID: 27701137 DOI: 10.1515/jbcpp-2016-0042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Accepted: 07/22/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Dimethylnitrosamine (DMN) is a waste product of several industrial processes. α-Lipoic acid (ALA) is a vitamin-like chemical also called as an antioxidant. Therefore, the study was designed to investigate the potential benefits of ALA in reducing the nephropathy of DMN in male mice. METHODS Animals were divided into 6 groups (n=8) and received their treatment for 4 weeks as follows: groups 1-4 served as control, ALA-treatment (16.12 mg/kg), DMN low dose treatment and DMN high dose treatment, respectively. Groups 5 and 6 received ALA before DMN low dose and DMN high dose, respectively. Superoxide dismutase, catalase, glutathione peroxidase and xanthine oxidase, total antioxidant capacity, nitric oxide, lipid peroxidation as well as the levels of uric acid and creatinine were determined. The histological and ultrastructure changes of renal tissue were also evaluated. RESULTS Treatment of the DMN mice with ALA showed a reduction in the levels of kidney nitric oxide, lipid peroxidation, as well as creatinine and uric acid levels as compared with the DMN group. The results show that ALA plays an important role in quenching the free radicals resulting from the metabolism of DMN, thereby inhibiting lipid peroxidation and protecting membrane lipids from oxidative damage and, in turn, preventing oxidative stress and apoptosis. Histopathological and ultrastructure analysis of renal tissue confirmed the oxidative stress results occurred in DMN renal mice. Concomitant administration of ALA with DMN significantly decreased all the histopathological changes induced by DMN. CONCLUSIONS The present study elucidated the therapeutic effects of ALA administered in combination with DMN to minimize its renal toxicity.
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Ingested nitrate and nitrite and stomach cancer risk: An updated review. Food Chem Toxicol 2012; 50:3646-65. [DOI: 10.1016/j.fct.2012.07.062] [Citation(s) in RCA: 201] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 07/17/2012] [Accepted: 07/26/2012] [Indexed: 02/07/2023]
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Arachidonate-enriched triglyceride oil does not promote tumor development in a rat medium-term multi-organ carcinogenesis model. Food Chem Toxicol 2012; 50:2780-91. [PMID: 22583651 DOI: 10.1016/j.fct.2012.05.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Revised: 04/21/2012] [Accepted: 05/02/2012] [Indexed: 11/21/2022]
Abstract
The modifying potential on tumor development of arachidonate-enriched triglyceride oil (ARA-oil) containing approximately 40% arachidonic acid was investigated in a medium-term multi-organ carcinogenesis bioassay using male and female F344 rats. The animals were sequentially given five carcinogens with different target sites in the first 4 weeks, and then administered ARA-oil for 24 weeks at dietary levels of 0% (control), 1.25%, 2.5% or 5.0%. No statistically significant differences in incidences and multiplicities of hyperplastic and neoplastic lesions were showed in the large intestine in either sex. In the liver, kidney, and lung in both sexes, and the mammary gland and uterus in females, tumor promoting potential was not evident with ARA-oil treatment. ARA-oil did not affect the quantitative data for glutathione S-transferase placental form positive foci of the liver. Increased induction of hyperplastic or neoplastic lesions in the urinary bladder and thyroid in ARA-oil-treated groups was without dose dependence. In addition, a second experiment with ARA-oil only administration for 8-week revealed no effects on cellular proliferation in the urinary bladder or thyroid in either sex. These results indicate that ARA-oil has no tumor promoting potential in any organs or tissues initiated with the five carcinogens applied in the present study.
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Hassan HA, Yousef MI. Ameliorating effect of chicory (Cichorium intybus L.)-supplemented diet against nitrosamine precursors-induced liver injury and oxidative stress in male rats. Food Chem Toxicol 2010; 48:2163-9. [PMID: 20478349 DOI: 10.1016/j.fct.2010.05.023] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 05/06/2010] [Accepted: 05/10/2010] [Indexed: 12/12/2022]
Abstract
The current study was carried out to elucidate the modulating effect of chicory (Cichorium intybus L.)-supplemented diet against nitrosamnine-induced oxidative stress and hepatotoxicity in male rats. Rats were divided into four groups and treated for 8 weeks as follow: group 1 served as control; group 2 fed on chicory-supplemented diet (10% w/w); group 3 received simultaneously nitrosamine precursors [sodium nitrite (0.05% in drinking water) plus chlorpromazine (1.7 mg/kg body weight)] and group 4 received nitrosamine precursors and fed on chicory-supplemented diet. The obtained results revealed that rats received nitrosamine precursors showed a significant increase in liver TBARS and total lipids, total cholesterol, bilirubin, and enzymes activity (AST, ALT, ALP and gamma-GT) in both serum and liver. While a significant decrease in the levels of GSH, GSH-Rx, SOD, catalase, total protein and albumin was recorded. On the other hand, chicory-supplemented diet succeeded to modulate these observed abnormalities resulting from nitrosamine compounds as indicated by the reduction of TBARS and the pronounced improvement of the investigated biochemical and antioxidant parameters. So, it could be concluded that chicory has a promising role and it worth to be considered as a natural substance for ameliorating the oxidative stress and hepatic injury induced by nitrosamine compounds.
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Affiliation(s)
- Hanaa A Hassan
- Zoology Department, Faculty of Science, Mansoura University, Mansoura, Egypt
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Yamaguchi C, Wanibuchi H, Kakehashi A, Tanaka R, Fukushima S. Chemopreventive effects of a serratane-type triterpenoid, 3α-methoxyserrat-14-en-21β-ol (PJ-1), against rat lung carcinogenesis. Food Chem Toxicol 2008; 46:1882-8. [DOI: 10.1016/j.fct.2007.12.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2007] [Revised: 11/16/2007] [Accepted: 12/09/2007] [Indexed: 10/22/2022]
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Kuroiwa Y, Okamura T, Ishii Y, Umemura T, Tasaki M, Kanki K, Mitsumori K, Hirose M, Nishikawa A. Enhancement of esophageal carcinogenesis in acid reflux model rats treated with ascorbic acid and sodium nitrite in combination with or without initiation. Cancer Sci 2008; 99:7-13. [PMID: 17953708 PMCID: PMC11158633 DOI: 10.1111/j.1349-7006.2007.00649.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2007] [Revised: 09/12/2007] [Accepted: 09/19/2007] [Indexed: 11/29/2022] Open
Abstract
Combined treatment with sodium nitrite (NaNO2) and ascorbic acid (AsA) has already been shown to promote rat forestomach carcinogenesis, possibly due to nitric oxide generation under acidic conditions. We hypothesized that a similar effect might occur in the esophagus when the luminal pH is decreased by acid reflux. To clarify this possibility, reflux esophagitis model rats (F344 male) were coadministered 0.2% NaNO2 in the drinking water and 1% AsA in the diet. After 32 weeks of the combined treatment, a significant increase in the incidence of epithelial hyperplasias of the lower-middle and lowest parts of the esophagus were observed compared with the basal-diet group, along with exacerbation of dysplasia and extension of the lesions. Additionally, one squamous cell papilloma was found only in the combined-treatment group. Subsequently, we confirmed the enhancing effects of NaNO2 and AsA cotreatment in the rat N-bis(2-hydroxypropyl)nitrosamine-initiated esophageal tumorigenesis model. The incidence of hyperplasia was enhanced in all segments, along with the incidence and multiplicity of squamous cell papillomas in the lowest segment of the esophagus. Thus, the data demonstrate that combined treatment with NaNO2 and AsA exerts promoting effects on rat esophageal carcinogenesis under acid reflux conditions, as in the forestomach. These findings suggest that the risk of excessive intake of a combination of nitrite and antioxidants for esophageal carcinogenesis is appreciable, particularly in patients with reflux esophagitis.
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Affiliation(s)
- Yuichi Kuroiwa
- Division of Pathology, National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-Ku, Tokyo 158-8501, Japan
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Okazaki K, Ishii Y, Kitamura Y, Maruyama S, Umemura T, Miyauchi M, Yamagishi M, Imazawa T, Nishikawa A, Yoshimura Y, Nakazawa H, Hirose M. Dose-dependent promotion of rat forestomach carcinogenesis by combined treatment with sodium nitrite and ascorbic acid after initiation with N-methyl-N'-nitro-N-nitrosoguanidine: possible contribution of nitric oxide-associated oxidative DNA damage. Cancer Sci 2006; 97:175-82. [PMID: 16542213 PMCID: PMC11158804 DOI: 10.1111/j.1349-7006.2006.00162.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Dose-dependent promotion effects of combined treatment with sodium nitrite (NaNO2) and ascorbic acid (AsA) on gastric carcinogenesis were examined in rats pretreated with N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). Groups of 15 6-week-old F344 male rats were given 0.01% MNNG in their drinking water for 10 weeks to initiate carcinogenesis in the glandular stomach and a single intragastric administration of 100 mg/kg/bodyweight of MNNG by stomach tube at week 9 to initiate carcinogenesis in the forestomach. From week 11, they received either drinking water containing 0.05, 0.1 or 0.2% NaNO2 and a diet supplemented with 0.1 or 0.2% AsA in combination, each individual chemical alone or a basal diet until the end of week 42. In the forestomach, the incidence of hyperplasia was increased dose dependently by the treatment with NaNO2 alone. Incidences of neoplastic lesions were dramatically increased by the combined treatment with NaNO2 and AsA in a dose-dependent manner, but AsA itself had no effect. In the glandular stomach, only toxicity and regenerative changes were increased by the high-dose combination. In a second short-term experiment conducted for sequential observation, necrosis and strong inflammation were found in the forestomach epithelium shortly after commencing combined treatment with 1.0% AsA and 0.2% NaNO2, followed by hyperplasia, whereas there were no obvious effects in the glandular stomach. In addition, after a 4 h treatment with 1.0% AsA and 0.2% NaNO2, a slight increase in the 8-hydroxy-deoxyguanosine levels in the forestomach epithelium was observed by high-performance liquid chromatography and an electrochemical detection system, albeit without statistical significance. In vitro, electron spin resonance demonstrated nitric oxide formation during incubation with NaNO2 and AsA under acidic conditions. Thus, NaNO2 was demonstrated to exert promoter action in the forestomach, with AsA acting as a strong copromoter through cytotoxicity and regenerative cell proliferation, possibly mediated by oxidative DNA damage, but the combined treatment with NaNO2 and AsA had little influence on glandular stomach carcinogenesis.
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Affiliation(s)
- Kazushi Okazaki
- Division of Pathology, National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-Ku, Tokyo 158-8501, Japan
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Ichihara T, Miyashita K, Kawabe M, Imaida K, Asamoto M, Ogiso T, Tamano S, Hirose M, Shirai T. LACK OF COMBINATION HEPATOCARCINOGENICITY OF HARMAN, NORHARMAN AND AMITROLE WHEN GIVEN WITH NaNO2 IN THE RAT. J Toxicol Sci 2005; 30:1-6. [PMID: 15800397 DOI: 10.2131/jts.30.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
N-nitrosocompounds, which induce cancers in various organs, may be formed endogenously with intake of amino compounds such as secondary amines and sodium nitrite (NaNO(2)) in combination. The present study was performed to investigate whether three amino compounds, 1-methyl-9H-pyrido[3,4-b]indole (harman), 9H-pyrido[3,4-b]indole (norharman) and 2-amino-1,3,4-triazole (amitrole), might be converted in vivo to compounds capable of promoting hepatocarcinogenesis when given with NaNO(2). However, in an 8-week model, no modifying potential was evident in terms of numbers and areas of putative preneoplastic glutathione S-transferase placental form (GST-P)-positive foci in any of the groups receiving paired treatments. These results demonstrate that combinations of harman, norharman and amitrole with NaNO(2) lack promoting effects for liver carcinogenesis in our medium-term bioassay system.
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Affiliation(s)
- Toshio Ichihara
- DIMS Institute of Medical Science, Azai-cho, Ichinomiya 491-0113, Japan
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Doi K, Wanibuchi H, Salim EI, Shen J, Wei M, Mitsuhashi M, Kudoh S, Hirata K, Fukushima S. Revised rat multi-organ carcinogenesis bioassay for whole-body detection of chemopreventive agents: modifying potential of S-methylcysteine. Cancer Lett 2004; 206:15-26. [PMID: 15019155 DOI: 10.1016/j.canlet.2003.10.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2003] [Revised: 09/30/2003] [Accepted: 10/02/2003] [Indexed: 11/25/2022]
Abstract
The DMBDD rat multi-organ carcinogenesis model based on two-stage carcinogenesis theory was revised to make more suitable assay system for detecting chemopreventive effects of chemical substances by increasing the doses of two carcinogens, 1,2-dimethylhydrazine dihydrochloride (DMH) and N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN). The revised bioassay resulted in increasing preneoplastic or neoplastic lesions in the colon, urinary bladder and liver. S-Methylcysteine (SMC), a water-soluble organosulfur compound, was used as a test chemical in the new initiation regimen. Though SMC did not express clear-cut inhibitory effects in tumor levels, it showed modifying effects on the development of lung hyperplastic and colon preneoplastic lesions. In conclusion, the present model featuring high yields of preneoplastic and neoplastic lesions with low mortality in a short period (30 weeks), might be suitable for testing the efficacy of possible chemopreventive chemicals at the whole-body level.
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Affiliation(s)
- Kenichiro Doi
- Department of Pathology, Osaka City University Medical School, 1-4-3 Asahi-machi, Abeno-Ku, Osaka 545-8585, Japan
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