Sulforaphane alleviates muscular dystrophy in mdx mice by activation of Nrf2

2015 ◽  
Vol 118 (2) ◽  
pp. 224-237 ◽  
Author(s):  
Chengcao Sun ◽  
Cuili Yang ◽  
Ruilin Xue ◽  
Shujun Li ◽  
Ting Zhang ◽  
...  
Keyword(s):  
Muscular Dystrophy ◽  
Heme Oxygenase ◽  
Phase Ii ◽  
Mdx Mice ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Dependent Manner ◽  
Quinone Oxidoreductase ◽  
Phase Ii Enzymes ◽  
Nrf2 Signaling Pathway

Sulforaphane (SFN), one of the most important isothiocyanates in the human diet, is known to have chemo-preventive and antioxidant activities in different tissues via activation of nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated induction of antioxidant/phase II enzymes, such as heme oxygenase-1 and NAD(P)H quinone oxidoreductase 1. However, its effects on muscular dystrophy remain unknown. This work was undertaken to evaluate the effects of SFN on Duchenne muscular dystrophy. Four-week-old mdx mice were treated with SFN by gavage (2 mg·kg body wt−1·day−1 for 8 wk), and our results demonstrated that SFN treatment increased the expression and activity of muscle phase II enzymes NAD(P)H quinone oxidoreductase 1 and heme oxygenase-1 with a Nrf2-dependent manner. SFN significantly increased skeletal muscle mass, muscle force (∼30%), running distance (∼20%), and GSH-to-GSSG ratio (∼3.2-fold) of mdx mice and decreased the activities of plasma creatine phosphokinase (∼45%) and lactate dehydrogenase (∼40%), gastrocnemius hypertrophy (∼25%), myocardial hypertrophy (∼20%), and malondialdehyde levels (∼60%). Furthermore, SFN treatment also reduced the central nucleation (∼40%), fiber size variability, and inflammation and improved the sarcolemmal integrity of mdx mice. Collectively, these results show that SFN can improve muscle function and pathology and protect dystrophic muscle from oxidative damage in mdx mice associated with Nrf2 signaling pathway, which indicate Nrf2 may have clinical implications for the treatment of patients with muscular dystrophy.

Sodium tanshinone IIA sulfate protects myocardium against paraquat-induced toxicity through activating the Nrf2 signaling pathway in rats

2018 ◽  
Vol 38 (2) ◽  
pp. 247-254 ◽  
Author(s):  
WX Zhang ◽  
XY Xiao ◽  
CG Peng ◽  
WL Chen ◽  
S Xie ◽  
...  
Keyword(s):  
Tanshinone Iia ◽  
Control Group ◽  
Heme Oxygenase 1 ◽  
Intragastric Administration ◽  
Related Factor ◽  
Dependent Manner ◽  
Myocardial Cells ◽  
Sprague Dawley ◽  
Nrf2 Pathway ◽  
Nrf2 Signaling Pathway

Objective: To investigate the therapeutic effect and mechanism of sodium tanshinone IIA sulfate (STS) on paraquat (PQ)-induced myocardial injuries in a rat model. Methods: Healthy adult Sprague Dawley rats were randomly divided into normal control, PQ, and PQ + STS groups. PQ group was given a single intragastric administration of PQ (80 mg/kg). PQ + STS group was intraperitoneally injected with STS (1 ml/kg) at 30 min following PQ exposure. Rats in control and PQ groups were injected with equal amount of saline. After 12, 24, 48, and 72 h, rats were killed, and the apoptosis of myocardial cells was detected. Myocardial expression of Bax and Bcl-2 was measured. The activity of the nuclear erythroid 2-related factor 2 (Nrf2) pathway was assessed by Western blot. Results: The apoptotic cells in PQ group were significantly increased in a time-dependent manner compared with the control group ( p < 0.01). The rats in PQ group exhibited significantly lower Bcl-2 expression, but notably higher Bax expression at 12, 24, 48, and 72 h after PQ exposure ( p < 0.05 or 0.01). STS intervention markedly reduced the proportion of apoptotic myocardial cells, increased Bcl-2 expression, and decreased Bax expression at 24, 48, and 72 h after treatment ( p < 0.05 or 0.01). The expression of phosphorylated Nrf2 and heme oxygenase 1 in PQ + STS group was significantly increased compared with PQ and control groups ( p < 0.05 or 0.01). Conclusion: STS effectively inhibits PQ-induced myocardial cell apoptosis in rats via modulating the Nrf2 pathway, suggesting its potential as a promising therapeutic agent for PQ-induced myocardium damage.

scholarly journals Bovine Herpesvirus 1 Productive Infection Led to Inactivation of Nrf2 Signaling through Diverse Approaches

2019 ◽  
Vol 2019 ◽  
pp. 1-14
Author(s):  
Xiaotian Fu ◽  
Dongmei Chen ◽  
Yan Ma ◽  
Weifeng Yuan ◽  
Liqian Zhu
Keyword(s):  
Signaling Pathway ◽  
Bovine Herpesvirus ◽  
Productive Infection ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Quinone Oxidoreductase ◽  
Herpesvirus Type ◽  
Nrf2 Signaling Pathway ◽  
Mdbk Cells ◽  
Bovine Herpesvirus Type 1

Bovine herpesvirus type 1 (BoHV-1) is a significant cofactor for bovine respiratory disease complex (BRDC), the most important inflammatory disease in cattle. BoHV-1 infection in cell cultures induces overproduction of pathogenic reactive oxygen species (ROS) and the depletion of nuclear factor erythroid 2 p45-related factor 2 (Nrf2), a master transcriptional factor regulating a panel of antioxidant and cellular defense genes in response to oxidative stress. In this study, we reported that the virus productive infection in MDBK cells at the later stage significantly decreased the expression levels of heme oxygenase-1 (HO-1) and NAD(P)H quinone oxidoreductase-1 (NQO1) proteins, the canonical downstream targets regulated by Nrf2, inhibited Nrf2 acetylation, reduced the accumulation of Nrf2 proteins in the nucleus, and relocalized nuclear Nrf2 proteins to form dot-like staining patterns in confocal microscope assay. The differential expression of Kelch-like ECH associated protein 1 (KEAP1) and DJ-1 proteins as well as the decreased association between KEAP1 and DJ-1 promoted Nrf2 degradation through the ubiquitin proteasome pathway. These data indicated that the BoHV-1 infection may significantly suppress the Nrf2 signaling pathway. Moreover, we found that there was an association between Nrf2 and LaminA/C, H3K9ac, and H3K18ac, and the binding ratios were altered following the virus infection. Taken together, for the first time, we provided evidence showing that BoHV-1 infection inhibited the Nrf2 signaling pathway by complicated mechanisms including promoting Nrf2 degradation, relocalization of nuclear Nrf2, and inhibition of Nrf2 acetylation.

scholarly journals Alleviation of Cartilage Destruction by Sinapic Acid in Experimental Osteoarthritis

2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Dawei Cai ◽  
Thomas W. Huff ◽  
Jun Liu ◽  
Tangbo Yuan ◽  
Zijian Wei ◽  
...  
Keyword(s):  
Heme Oxygenase ◽  
Nuclear Translocation ◽  
Sinapic Acid ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Transactivation Activity ◽  
Nrf2 Signaling Pathway ◽  
Primary Mouse

Sinapic acid (SA) modulates the nuclear factor-erythroid 2-related factor 2 (Nrf2) signaling pathway in chondrocytes. In order to test the hypothesis that SA is protective against the development of osteoarthritis (OA), primary mouse chondrocytes were treated in vitro with SA and the promoter transactivation activity of heme oxygenase 1 (HO-1), nuclear translocation of Nrf2, and protein expression of HO-1 were assayed. To test the hypothesis in vivo, a destabilization of the medial meniscus (DMM) model was used to induce OA in the knees of mice and SA was delivered orally to the experimental group. The chondrocytes were harvested for further analysis. The expression of HO-1 was similarly upregulated in cartilage from both the experimental mice and human chondrocytes from osteoarthritic knees. SA was found to enhance the promoter transactivation activity of heme oxygenase 1 (HO-1) and increase the expression of Nrf2 and HO-1 in primary chondrocytes. Histopathologic scores showed that the damage induced by the DMM model was significantly lower in the SA treatment group. The addition of a HO-1 inhibitor with SA did not show additional benefit over SA alone in terms of cartilage degradation or histopathologic scores. The expression of TNF-α, IL-1β, IL-6, MMP-1, MMP-3, MMP-13, ADAMTS4, and ADAMTS5 was significantly reduced both in vitro and in vivo by the presence of SA. Protein expressions of HO-1 and Nrf2 were substantially increased in knee cartilage of mice that received oral SA. Our results suggest that SA should be further explored as a preventative treatment for OA.

scholarly journals The Protective Effect of Hispidin against Hydrogen Peroxide-Induced Oxidative Stress in ARPE-19 Cells via Nrf2 Signaling Pathway

Biomolecules ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 380 ◽  
Author(s):  
Huang ◽  
Chang ◽  
Chau ◽  
Chiu
Keyword(s):  
Oxidative Stress ◽  
Hydrogen Peroxide ◽  
Protective Effect ◽  
Retinal Pigment ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Dependent Manner ◽  
Glutamate Cysteine Ligase ◽  
Jnk Pathway ◽  
Nrf2 Signaling Pathway

Hispidin, a polyphenol compound isolated from Phellinus linteus, has been reported to possess antioxidant activities. In this study, we aimed to investigate the mechanisms underlying the protective effect of hispidin against hydrogen peroxide (H2O2)-induced oxidative stress on Adult Retinal Pigment Epithelial cell line-19 (ARPE-19) cells. Hispidin was not cytotoxic to ARPE-19 cells at concentrations of less than 50 μM. The levels of intracellular reactive oxygen species (ROS) were analyzed by dichlorofluorescin diacetate (DCFDA) staining. Hispidin significantly restored H2O2-induced cell death and reduced the levels of intracellular ROS. The expression levels of antioxidant enzymes, such as NAD(P)H:Quinine oxidoreductase-1 (NQO-1), heme oxygenase-1 (HO-1), glutamate-cysteine ligase catalytic subunit (GCLC), and glutamate-cysteine ligase modifier subunit (GCLM) were examined using real-time PCR and Western blotting. Our results showed that hispidin markedly enhanced the expression of nuclear factor erythroid 2-related factor 2 (Nrf2), HO-1, NQO-1, GCLM, and GCLC in a dose-dependent manner. Furthermore, knockdown experiments revealed that transfection with Nrf2 siRNA successfully suppresses the hispidin activated Nrf2 signaling in ARPE-19 cells. Moreover, activation of the c-Jun N-terminal kinase (JNK) pathway is involved in mediating the protective effects of hispidin on the ARPE-19 cells. Thus, the present study demonstrated that hispidin provides protection against H2O2-induced damage in ARPE-19 cells via activation of Nrf2 signaling and up-regulation of its downstream targets, including Phase II enzymes, which might be associated with the activation of the JNK pathway.

scholarly journals Cinnamaldehyde Ameliorates Vascular Dysfunction in Diabetic Mice by Activating Nrf2

2020 ◽  
Vol 33 (7) ◽  
pp. 610-619 ◽  
Author(s):  
Peijian Wang ◽  
Yi Yang ◽  
Dan Wang ◽  
Qiyuan Yang ◽  
Jindong Wan ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Nitric Oxide ◽  
Vascular Dysfunction ◽  
Mesenteric Arteries ◽  
Heme Oxygenase 1 ◽  
No Production ◽  
Related Factor ◽  
Diabetic Mice ◽  
Quinone Oxidoreductase ◽  
Nrf2 Signaling Pathway

Abstract BACKGROUND Oxidative stress is known to be associated with the development of diabetes. Cinnamaldehyde (CA) is a spice compound in cinnamon that enhances the antioxidant defense against reactive oxygen species (ROS) by activating nuclear factor erythroid-related factor 2 (Nrf2), which has been shown to have a cardioprotection effect. However, the relationship between CA and Nrf2 in diabetic vascular complications remains unclear. METHODS Leptin receptor-deficient (db/db) mice were fed normal chow or diet containing 0.02% CA for 12 weeks. The vascular tone, blood pressure, superoxide level, nitric oxide (NO) production, renal morphology, and function were measured in each group. RESULTS CA remarkably inhibited ROS generation, preserved NO production, increased phosphorylated endothelial nitric oxide synthase (p-eNOS), attenuated the upregulation of nitrotyrosine, P22 and P47 in aortas of db/db mice, and apparently ameliorated the elevation of type IV collagen, TGF-β1, P22, and P47 in kidney of db/db mice. Feeding with CA improved endothelium-dependent relaxation of aortas and mesenteric arteries, and alleviated the remodeling of mesenteric arteries in db/db mice. Additionally, dietary CA ameliorated glomerular fibrosis and renal dysfunction in diabetic mice. Nrf2 and its targeted genes heme oxygenase-1 (HO-1) and quinone oxidoreductase-1 (NQO-1) were slightly increased in db/db mice and further upregulated by CA. However, these protective effects of CA were reversed in Nrf2 downregulation mice. CONCLUSIONS A prolonged diet of CA protects against diabetic vascular dysfunction by inhibiting oxidative stress through activating of Nrf2 signaling pathway in db/db mice.

scholarly journals Polygonatum sibiricum Polysaccharides Protect against MPP-Induced Neurotoxicity via the Akt/mTOR and Nrf2 Pathways

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Si Huang ◽  
Haiyan Yuan ◽  
Wenqun Li ◽  
Xinyi Liu ◽  
Xiaojie Zhang ◽  
...  
Keyword(s):  
Molecular Mechanisms ◽  
Neuronal Loss ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Dependent Manner ◽  
Quinone Oxidoreductase ◽  
Glutamate Cysteine Ligase ◽  
Dopaminergic Neuronal Loss

Polygonatum sibiricum, a well-known life-prolonging tonic in Chinese medicine, has been widely used for nourishing nerves in the orient, but the underlying molecular mechanisms remain unclear. In this study, we found that P. sibiricum polysaccharides (PSP) ameliorated 1-methyl-4-phenyl-1,2.3,6-tetrahydropyridine- (MPTP-) induced locomotor activity deficiency and dopaminergic neuronal loss in an in vivo Parkinson’s disease (PD) mouse model. Additionally, PSP pretreatment inhibited N-methyl-4-phenylpyridine (MPP+) induced the production of reactive oxygen species, increasing the ratio of reduced glutathione/oxidized glutathione. In vitro experiments showed that PSP promoted the proliferation of N2a cells in a dose-dependent manner, while exhibiting effects against oxidative stress and neuronal apoptosis elicited by MPP+. These effects were found to be associated with the activation of Akt/mTOR-mediated p70S6K and 4E-BP1 signaling pathways, as well as nuclear factor erythroid 2-related factor 2- (Nrf2-) mediated NAD(P)H quinone oxidoreductase 1 (NQO1), heme oxygenase-1 (HO-1), glutamate-cysteine ligase catalytic subunit (Gclc), and glutamate-cysteine ligase modulatory subunit (Gclm), resulting in antiapoptotic and antioxidative effects. Meanwhile, PSP exhibited no chronic toxicity in C57BJ/6 mice. Together, our results suggest that PSP can serve as a promising therapeutic candidate with neuroprotective properties in preventing PD.

scholarly journals Cytoprotective Effect of Ligustrum robustum Polyphenol Extract against Hydrogen Peroxide-Induced Oxidative Stress via Nrf2 Signaling Pathway in Caco-2 Cells

2019 ◽  
Vol 2019 ◽  
pp. 1-8 ◽  
Author(s):  
Jiayi Chen ◽  
Fangting He ◽  
Sijing Liu ◽  
Tao Zhou ◽  
Saira Baloch ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Hydrogen Peroxide ◽  
Signaling Pathway ◽  
Total Phenolic ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Cytoprotective Effect ◽  
Quinone Oxidoreductase ◽  
Antioxidant Genes ◽  
Nrf2 Signaling Pathway

Ligustrum robustum is a traditional herbal tea that is widely distributed in southwest China. The health effects of L. robustum are characteristics of clearing heat, antioxidant, inducing resurgence, and improving digestion. However, the molecular mechanisms related to these effects, particularly the antioxidant mechanism, have been seldom reported. The objective of this study was to assess antioxidative capacity of L. robustum, and its protective effects and mechanisms against hydrogen peroxide (H2O2) - induced toxicity in Caco-2 cells. Total phenolic contents, free radical scavenging activity, and reducing capacity of L. robustum were measured. The effects of L. robustum on the cell viability and antioxidant defense system were explored. The expression of nuclear factor E2 related factor 2 (Nrf2) and antioxidant genes: quinone oxidoreductase 1 (NQO1), heme oxygenase-1 (HO-1), and glutamate cysteine ligase (GCL) were analyzed by western blot and qPCR. Pretreatment of L. robustum could significantly reduce H2O2-induced toxicity, decrease the level of reactive oxygen species (ROS) and malondialdehyde (MDA), and increase the activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px), and glutathione reductase (GR). By activating the expression of Nrf2 and antioxidant genes (NQO1, HO-1, and GCL), L. robustum exerts cytoprotective effect in Caco-2 cells dealt with H2O2. Therefore, the well-established model of Caco-2 cells demonstrates that L. robustum may modulate the cytoprotective effect against the H2O2-induced oxidative stress through the Nrf2 signaling pathway.

scholarly journals Jujube (Ziziphus jujuba Mill.) Protects Hepatocytes against Alcohol-Induced Damage through Nrf2 Activation

2020 ◽  
Vol 2020 ◽  
pp. 1-8
Author(s):  
Sungwha Hong ◽  
Younghwa Kim ◽  
Jeehye Sung ◽  
Hana Lee ◽  
Huijin Heo ◽  
...  
Keyword(s):  
Water Extract ◽  
Heme Oxygenase 1 ◽  
Dependent Manner ◽  
Quinone Oxidoreductase ◽  
Glutamate Cysteine Ligase ◽  
Cytoprotective Activity ◽  
Jujube Fruit ◽  
Nrf2 Signaling Pathway ◽  
Antioxidant Defense Enzymes ◽  
Ziziphus Jujuba

This study aimed at evaluating the cytoprotective activity of jujube water extract (JWE) against alcohol-induced oxidative stress via the activation of the Nrf2 pathway in HepG2 cells. JWE had various phenolic compounds, and the vanillic acid content was the highest in the extract. To determine the cytoprotective effect of JWE against alcohol-induced damage, hepatocytes were treated with JWE and 3% ethanol. JWE (100 μg/mL) markedly increased cell viability by approximately 100% in a dose-dependent manner. Moreover, JWE attenuated the production of malondialdehyde, reactive oxygen species, aspartate, and alanine aminotransferase and the depletion of glutathione. Moreover, JWE enhanced the expression of antioxidant defense enzymes including heme oxygenase-1, NADPH quinone oxidoreductase 1, and γ-glutamate-cysteine ligase catalytic against alcohol-induced oxidative damage in hepatocytes via the activation of Nrf2. Taken together, JWE possesses the protective effect against alcohol-induced oxidative injury in hepatocytes through the upregulation of the Nrf2 signaling pathway. Therefore, jujube fruit might have the potential to improve alcohol-related liver problems.

Mifepristone-inducible recombinant adenovirus attenuates paraquat-induced lung injury in rats

2014 ◽  
Vol 34 (1) ◽  
pp. 32-43 ◽  
Author(s):  
G-L Hong ◽  
Q-Q Cai ◽  
J-P Tan ◽  
X-Z Jiang ◽  
G-J Zhao ◽  
...  
Keyword(s):  
Lung Injury ◽  
Recombinant Adenovirus ◽  
Antioxidant Response ◽  
Nuclear Factor Κb ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Dependent Manner ◽  
Nuclear Factor ◽  
Quinone Oxidoreductase ◽  
Protein Levels

Objective: To investigate the effects of overexpression of nuclear factor E2-related factor-2 (NRF2) on lung injury in rats exposed to paraquat (PQ) poisoning. Methods: A mifepristone (RU486)-inducible recombinant adenoviral vector carrying the human NRF2 gene (Ad-RUNRF2) was constructed and transfected via airway into the rats 7 days before the administration of RU486. Rats were orally challenged with PQ at 20 mg/kg 24 h after the injection of RU486. On days 0.5, 3 and 21 after PQ poisoning, the expressions of NRF2 and cytokines related to inflammation and oxidation in lung tissue were examined. Results: RU486 remarkably enhanced NRF2 mRNA and NRF2 protein levels in Ad-RUNRF2-transfected rats in a dose-dependent manner ( p < 0.01). PQ stimulated compensatory overexpression of NRF2, heme oxygenase 1 (HO-1) and NAD(P)H quinone oxidoreductase 1 (NQO-1) in lungs on days 0.5 and 3 after exposure ( p < 0.05), but depleted the expression of catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione (GSH), with an increased malondialdehyde (MDA) ( p < 0.05). However, pretreatment with Ad-RUNRF2 and RU486 strongly enhanced the expression levels of NRF2, HO-1, NQO-1, CAT and GSH-Px in the lungs of PQ intoxicated rats, with increased GSH and decreased MDA ( p < 0.05). Pretreatment with Ad-RUNRF2 and RU486 also strongly suppressed the PQ-induced activation of nuclear factor κB (NF-κB) and decreased the levels of tumour necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6). In addition, Ad-RUNRF2 and RU486 induction significantly reduced PQ-induced pathological changes in lungs and attenuated lung oedema and protein leakage caused by PQ ( p < 0.05). Conclusion: RU486-induced overexpression of NRF2 in lungs transfected with Ad-RUNRF2 can ameliorate PQ-induced lung injury by the activation of the NRF2-antioxidant response element (ARE) pathway.

scholarly journals Involvement of Nrf2-Mediated Upregulation of Heme Oxygenase-1 in Mollugin-Induced Growth Inhibition and Apoptosis in Human Oral Cancer Cells

2013 ◽  
Vol 2013 ◽  
pp. 1-14 ◽  
Author(s):  
Young-Man Lee ◽  
Q-Schick Auh ◽  
Deok-Won Lee ◽  
Jun-Yeol Kim ◽  
Ha-Jin Jung ◽  
...  
Keyword(s):  
Cell Death ◽  
Oral Cancer ◽  
Growth Inhibition ◽  
Heme Oxygenase ◽  
Flow Cytometric Analysis ◽  
Annexin V ◽  
Heme Oxygenase 1 ◽  
Related Factor ◽  
Dependent Manner ◽  
Antitumor Effects

Although previous studies have shown that mollugin, a bioactive phytochemical isolated from Rubia cordifolia L. (Rubiaceae), exhibits antitumor effects, its biological activity in oral cancer has not been reported. We thus investigated the effects and putative mechanism of apoptosis induced by mollugin in human oral squamous cell carcinoma cells (OSCCs). Results show that mollugin induces cell death in a dose-dependent manner in primary and metastatic OSCCs. Mollugin-induced cell death involved apoptosis, characterized by the appearance of nuclear shrinkage, flow cytometric analysis of sub-G1 phase arrest, and annexin V-FITC and propidium iodide staining. Western blot analysis and RT-PCR revealed that mollugin suppressed activation of NF-κB and NF-κB-dependent gene products involved in antiapoptosis (Bcl-2 and Bcl-xl), invasion (MMP-9 and ICAM-1), and angiogenesis (FGF-2 and VEGF). Furthermore, mollugin induced the activation of p38, ERK, and JNK and the expression of heme oxygenase-1 (HO-1) and nuclear factor E2–related factor 2 (Nrf2). Mollugin-induced growth inhibition and apoptosis of HO-1 were reversed by an HO-1 inhibitor and Nrf2 siRNA. Collectively, this is the first report to demonstrate the effectiveness of mollugin as a candidate for a chemotherapeutic agent in OSCCs via the upregulation of the HO-1 and Nrf2 pathways and the downregulation of NF-κB.

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