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1.
ACS Omega ; 7(47): 42723-42732, 2022 Nov 29.
Artigo em Inglês | MEDLINE | ID: mdl-36467957

RESUMO

Silymarin exhibits an anti-inflammatory property in various cancers and inflammatory diseases. In our previous work, silymarin-mediated selenium nanoparticles (SeNPs) (Si-SeNPs) were developed using a green synthesis technique, and its potential as an anticancer agent was confirmed. In order to further examine the extended comprehensive potential of Si-SeNPs, this investigation focuses on studying the enhanced anti-inflammatory effect of Si-SeNPs in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. Enzyme-linked immunosorbent assay and quantitative reverse transcription-polymerase chain reaction were used to evaluate the expression of pro-inflammatory mediators and cytokines. Western blotting and immunofluorescence assays were conducted to assess the protein expression of p-PI3K, p-Akt, p-NF-κB, and p-IκBα. Compared to silymarin, Si-SeNPs exhibited a significantly increased inhibitory effect on LPS-induced release of nitric oxide and the expression of pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α) and interleukin 1ß (IL-1ß) in RAW264.7 cells. A western blot assay indicated that Si-SeNPs downregulated the PI3K/Akt and NF-κB signaling pathways. The immunofluorescence assay suggested that Si-SeNPs inhibited the nuclear translocation and the activation of NF-κB. In addition, 740 Y-P (PI3K agonist) was used to demonstrate that activating the PI3K/Akt signal could partially reverse the inflammatory response, suggesting a causal role of the PI3K/Akt signaling pathway in the anti-inflammatory effect of Si-SeNPs. Consequently, these findings indicate that Si-SeNPs could be a functional agent of the attenuation of LPS-induced inflammatory responses in RAW264.7 macrophages through inhibiting the PI3K/Akt/NF-κB signaling pathway. In addition, biosynthesized Si-SeNPs could be more effective at reducing inflammation than only silymarin extracts. Thus, this study lays an experimental foundation for the clinical application of using biosynthesized SeNPs as a novel candidate in the field of inflammation-associated diseases.

2.
Int J Biol Sci ; 18(15): 5809-5826, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36263176

RESUMO

Plant extract-mediated synthesis of metal nanoparticles (NPs) is an eco-friendly and cost-effective biosynthesis method that is more suitable for biological applications than chemical ones. We prepared novel gold NPs (AuNPs), Cirsium japonicum mediated-AuNPs (CJ-AuNPs), using a biosynthetic process involving Cirsium japonicum (Herba Cirsii, CJ) ethanol extract. The physicochemical properties of CJ-AuNPs were characterized using spectrometric and microscopic analyses. The in vitro stability of CJ-AuNPs was studied for 3 months. Moreover, the selective human gastric adenocarcinoma (AGS) cell killing ability of CJ-AuNPs was verified in cancer and normal cells. An in vitro study revealed that CJ-AuNPs trigger oxidative stress and iron-dependent ferroptosis in AGS cells. Mechanistically, CJ-AuNPs induced mitochondrial reactive oxygen species (ROS), Fe2+, and lipid peroxidation accumulation, and mitochondrial damage by destroying the glutathione peroxidase-4 (GPX4)-dependent antioxidant capacity. Furthermore, in a xenograft mouse model implanted with AGS cells, treatment with 2.5, 5, and 10 mg/kg CJ-AuNPs for 16 days reduced tumor xenograft growth in a dose dependent manner in vivo without systemic toxicity. These results demonstrate that CJ-AuNPs exert anticancer effects in vitro and in vivo by inducing ferroptosis-mediated cancer cell death. This study, based on green-synthesized nanodrug-induced ferroptosis, provides new insight into potential developments in cancer therapies.


Assuntos
Cirsium , Nanopartículas Metálicas , Neoplasias Gástricas , Humanos , Camundongos , Animais , Cirsium/química , Cirsium/metabolismo , Ouro/química , Ouro/farmacologia , Espécies Reativas de Oxigênio/metabolismo , Nanopartículas Metálicas/uso terapêutico , Nanopartículas Metálicas/química , Antioxidantes/farmacologia , Neoplasias Gástricas/tratamento farmacológico , Glutationa Peroxidase , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico , Extratos Vegetais/química , Etanol , Ferro
3.
ACS Omega ; 7(42): 37401-37409, 2022 Oct 25.
Artigo em Inglês | MEDLINE | ID: mdl-36312396

RESUMO

Although naturally occurring flavonoids have shown beneficial effects on the side effects caused by cisplatin, there are few reports on the protective effect of dihydrochalcone on the cisplatin-induced toxicity. Trilobatin (TLB), as the major sweetener and active ingredient in Lithocarpus polystachyus Rehd, is a dihydrochalcone-like compound that can be present in concentrations of up to 10% or more in tender leaves. Herein, a cisplatin-induced acute kidney injury (AKI) model was established to investigate the protective effect and mechanism of TLB against the cisplatin-induced nephrotoxicity in mice. The results showed that TLB significantly reversed the inhibition of CRE, BUN, and MDA levels compared with the cisplatin group. Furthermore, TLB treatment (50 and 100 mg/kg) for 10 days significantly alleviated cisplatin-induced renal pathological changes. TUNEL staining showed that TLB administration can effectively improve the occurrence of apoptosis of renal tissue cells caused by cisplatin exposure. Importantly, western blot analysis verified that TLB alleviated cisplatin-induced nephrotoxicity by regulating the AKT/MAPK signaling pathway and apoptosis. In summary, our findings showed clearly that TLB has a significant preventive effect on cisplatin-induced AKI.

4.
J Ethnopharmacol ; 296: 115523, 2022 Oct 05.
Artigo em Inglês | MEDLINE | ID: mdl-35809756

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: The meadowsweet family (genus Filipendula) includes about 30 species, which have been traditionally used in folk medicine to treat various inflammatory diseases. Particularily, F. palmata (Pall.) Maxim. (Siberian meadowsweet) were traditionally and widely used as an ethnic herb in the Oroqen application. AIM OF THE STUDY: Limited studies have been documented on most species, except for two main species, F. ulmaria (L.) Maxim. and F. vulgaris Moench. Thus, this study aimed to investigate the anti-inflammatory and skin-moisturizing effects of 70% ethanolic extract (FPE) of F. palmata on human epidermal keratinocytes. MATERIALS AND METHODS: HaCaT keratinocytes were treated with FPE under different conditions. Quantitative real time-PCR, enzyme-linked immunosorbent assay, western blotting methods were used to evaluate the effect and molecular mechanism of the cells treated with FPE. The bioactive compounds in FPE, which are responsible for biological activities, was explored using mass spectrometric analysis. RESULTS: FPE did not show a cytotoxic effect on the cells at concentrations below 200 µg/mL. FPE significantly suppressed the intracellular reactive oxygen species and mitochondrial superoxide of inflamed HaCaT cells induced by tumor necrosis factor-α and interferon-γ (T + I) and inflammatory chemokine genes and proteins, such as CC chemokine ligands (CCL5, CCL17, and CCL27) and CXC chemokine ligand (CXCL8). These anti-inflammatory activities of FPE were mediated by the downregulation of mitogen-activated protein kinase (MAPK) and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathways. In normal HaCaT cells, FPE significantly promoted the production of hyaluronic acid (HA) via the downregulation of hyaluronidase (HYAL1 and HYAL2) and upregulation of hyaluronic acid synthase (HAS1, HAS2, and HAS3) genes, and these effects seemed to be associated with the PI3K/Akt/NF-κB signaling. Ultraperformance liquid chromatography-tandem mass spectrometry indicated that FPE contains four flavonoids, including (+)-catechin, miquelianin, scutellarin, and quercitrin, as its major phytochemicals. Finally, we demonstrated that miquelianin and quercitrin contribute partially to the anti-inflammatory and HA-producing activity of FPE without cytotoxic effects on HaCaT cells. CONCLUSIONS: Our findings suggest that topical applications of FPE can be utilized as an alternative therapy for treating skin inflammation. Additionally, our findings serve as a reference in applying FPE as a functional ingredient to treat inflammatory skin diseases and promote skin health.


Assuntos
Filipendula , Anti-Inflamatórios/uso terapêutico , Filipendula/química , Humanos , Ácido Hialurônico/metabolismo , Ácido Hialurônico/farmacologia , Queratinócitos , NF-kappa B/metabolismo , Fosfatidilinositol 3-Quinases/metabolismo , Compostos Fitoquímicos/metabolismo , Compostos Fitoquímicos/farmacologia , Fator de Necrose Tumoral alfa/metabolismo
5.
Int J Biol Macromol ; 213: 247-258, 2022 Jul 31.
Artigo em Inglês | MEDLINE | ID: mdl-35640850

RESUMO

Ginsenoside compound K (CK) has been shown to exhibit anti-inflammatory properties. In this study, to encourage biomedical applications of biosynthesized gold nanoparticles (AuNPs) with anti-inflammatory effects, AuNPs loaded with ginsenoside compound K were prepared using a self-assembly technique with chitosan as the carrier. Optimal conditions for chitosan-ginsenoside CK­gold nanoparticles (CS-CK-AuNPs) formation were monitored using UV-Vis absorption spectroscopy. The physicochemical characterization of CS-CK-AuNPs was performed using FE-TEM, FE-SEM, XRD, DLS, FTIR and NMR techniques. In the stability test, CS-CK-AuNPs did not show any significant changes up to 4 weeks. Fluorescence imaging demonstrated that CS-CK-AuNPs promoted cellular uptake in vitro, but did not exhibit significant cytotoxicity at concentrations below 40 µg/mL. Additionally, the CS-CK-AuNPs inhibited NO production, and reduced the expression and secretion of inflammatory cytokines (IL-1ß, IL-6, and TNF-α) via inhibition of the nuclear factor-kappaB (NF-κB) pathway in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. Thus, CS-CK-AuNPs are novel candidates for developing anti-inflammatory agent. This study also confirms the superiority of chitosan AuNPs as oral delivery vehicles for inflammation-related diseases.


Assuntos
Quitosana , Nanopartículas Metálicas , Anti-Inflamatórios/química , Anti-Inflamatórios/farmacologia , Quitosana/química , Ginsenosídeos , Ouro/química , Ouro/farmacologia , Nanopartículas Metálicas/química
6.
Phytomedicine ; 99: 154014, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35247670

RESUMO

BACKGROUND: Silymarin, a blend of flavonolignans isolated from plant Silybum marianum L., has long been used as an herbal medicine. Biogenic routes especially the plant-based synthesis of selenium nanoparticles (SeNPs) is safe, eco-friendly, nontoxic and being considered as one of the best strategies for treatment of cancer. PURPOSE: Silymarin-mediated green synthesis of SeNPs and their possibility as an anticancer agent have not been reported to date. Therefore, our present study was aimed to synthesize and characterize the selenium mediated silymarin nanoparticles (Si-SeNPs) from silymarin and investigate their possibility as an anticancer agent. METHODS: The physicochemical characteristics of Si-SeNPs were analyzed using various analytical techniques, such as HPLC, field emission-transmission electron microscope, energy-dispersive X-ray spectrometer, and thermogravimetric analysis. The underlying molecular mechanism were evaluated using AGS gastric cancer cells. RESULTS: Compared with silymarin, the Si-SeNPs exhibited significantly increased cytotoxic effect of AGS cells without exhibiting toxicity on normal cells. Real time PCR and western blotting analysis indicated that Si-SeNPs induced expression of Bax/Bcl-2, cytochrome c, and cleavage of caspase proteins, which is associated with mitochondria-mediated apoptosis signaling in AGS cells. Moreover, agonist assay using PI3K activator indicated that Si-SeNPs-inhibited PI3K/AKT/mTOR pathways were significantly associated as an autophagy and apoptosis signaling in AGS cells. CONCLUSION: Our study demonstrated the improved anticancer efficacy of Si-SeNPs- induced apoptosis and autophagy pathways, and therefore recommended Si-SeNPs as a novel anticancer agent after in vivo studies.

7.
Int J Nanomedicine ; 17: 477-494, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35125869

RESUMO

BACKGROUND: Despite great advances in the field of immunotherapy, there is still a need for novel and effective immunostimulants to overcome challenges, such as instability and autoinflammatory toxicity, associated with conventional immunostimulants. Nanotechnology provides the possibility to overcome these challenges. The well-known classical Chinese formula, Hwanglyeonhaedok-tang (HHT) has been widely used to treat immune-related diseases in clinical practice. METHODS: We developed novel gold nanoparticles (AuNPs) utilizing one-pot synthesis with the herbal formula-HHT. The optimal conditions for HHT-AuNP biosynthesis were established, and physicochemical properties of the optimized HHT-AuNPs were identified using various spectrometric and microscopic techniques. Bio-TEM analysis revealed that HHT-AuNPs were highly engulfed within RAW264.7 cells without inducing cytotoxicity. The effect of HHT-AuNPs on immunostimulatory activity was evaluated in innate and adaptive immune cells (RAW264.7 macrophages and ICR mice splenocytes) using qRT-PCR, immunoblotting, and ELISA. RESULTS: The HHT-AuNPs remarkably increased the nitric oxide (NO) and immune-related cytokines production by activating the mitogen-activated protein kinase (MAPK) and nuclear factor-κB (NF-κB) signaling pathways in RAW264.7 cells. Furthermore, HHT-AuNPs exerted immunostimulatory effects on mouse splenocytes by priming T/B-cells and macrophages. DISCUSSION: The present study is the first to demonstrate that HHT-AuNPs could be utilized as immunostimulators to activate both innate and adaptive immune systems. These results provide a foundation for the application of traditional Chinese medicinal formulae in the field of nanomedicine.


Assuntos
Ouro , Nanopartículas Metálicas , Animais , Lipopolissacarídeos , Macrófagos , Camundongos , Camundongos Endogâmicos ICR , NF-kappa B , Baço
8.
Phytother Res ; 36(4): 1724-1735, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35174550

RESUMO

Our current research aims to evaluate the efficiency of a flavor enhancer, maltol (produced by heating ginseng) against cisplatin-evoked cardiotoxicity by establishing cisplatin-induced heart injury in vivo and H9C2 rat cardiomyocyte model. The cisplatin-treated mice at 3 mg/kg for four times on the 7th, 9th, 11th and 13th day, and in them appeared a serious cardiac damage accompanied with the increase in indicators of heart damage. Multiple exposure of 3 mg/kg for four times of cisplatin increased cardiac cells apoptosis with increased expression of Bax and cleaved-caspase 3, and decreased expression of Bcl-2. Interestingly, supplement of maltol at doses of 50 and 100 mg/kg for 15 days significantly suppressed the cardiac disturbance. In cultured H9C2 cells, maltol enhanced PI3K/Akt expression level during cisplatin treatment, and reduced cisplatin-induced apoptosis. Notably, inhibition of PI3K/Akt by LY294002 and HY-10249A lessened the efficacy of maltol. In mice, maltol apparently induced PI3K/Akt in heart tissues and protected against cisplatin-induced cardiotoxicity. In conclusion, maltol exerted the protective effects against cisplatin-induced cardiotoxicity, at least partially by inhibiting the activation of PI3K/Akt signaling pathways in cardiomyocytes, to ease oxidative stress, and alleviate reactive oxygen species-mediated apoptosis.


Assuntos
Fosfatidilinositol 3-Quinases , Proteínas Proto-Oncogênicas c-akt , Animais , Apoptose , Cardiotoxicidade/tratamento farmacológico , Cisplatino/efeitos adversos , Camundongos , Miócitos Cardíacos , Fosfatidilinositol 3-Quinases/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo , Pironas , Ratos , Roedores/metabolismo , Transdução de Sinais
9.
Food Res Int ; 152: 110911, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-35181083

RESUMO

Postbiotics defined as soluble factors (products or metabolic byproducts) that are released after bacterial lysis or secreted by live bacteria, have attracted considerable attention because of their long shelf life, safety, and beneficial effects. In this study, we investigated the immune-enhancing activities of squid jeotgal (a traditional Korean fermented seafood)-derived Bacillus velezensis Kh2-2 (Kh2-2) postbiotics in vitro, ex vivo, and in vivo. Cell lysates of four Bacillus species were prepared by sonication. In particular, Kh2-2 lysates induced NO production by upregulating iNOS expression in RAW264.7 cells compared with the lysates of B. subtilis Kh2-1, B. vallismortis Kh8-3, and B. amyloliquefaciens Kh3-1. Furthermore, Kh2-2 lysates stimulated immune activation of macrophages by upregulating the NF-κB and MAPK signaling pathways and promoting immune-related cytokine secretion. In the ex vivo study, Kh2-2 lysates stimulated proliferation and polarized Th1 response by inducing the production of IL-2 and IFN-γ and inhibiting IL-10 expression in splenocytes. The in vivo immune-enhancing effects of Kh2-2 lysates and Kh2-2 were further evaluated using a cyclophosphamide (CTX)-induced immunosuppression mouse model. The results showed that oral administration of Kh2-2 lysates improved CTX-induced immunosuppression by enhancing innate and adaptive immunity, stimulating immune-related cytokine secretion, and modulating gut microbiota dysbiosis in mice. Thus, we concluded that Kh2-2 lysates have potential as a functional material for postbiotics with immune-enhancing effects.


Assuntos
Bacillus , Animais , Bacillus/metabolismo , Macrófagos , Camundongos , NF-kappa B/metabolismo , Células RAW 264.7
10.
J Sci Food Agric ; 102(7): 2846-2854, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-34741313

RESUMO

BACKGROUND: Persimmon (Diospyros kaki) is a familiar and widespread fruit, cultivated worldwide. To date, physiological and chemical changes in fermented persimmon fruit and its active compounds have been rarely investigated. Moreover, comparative studies on the pharmacological activities of fermented persimmon fruit-derived compounds have not been reported. RESULTS: To investigate the effect of traditional fermented foods on immunostimulatory activity, non-fermented persimmon fruit (D. kaki, DK) and fermented persimmon fruit (fermented D. kaki, FDK) were prepared and further fractionated into low- and high-molecular weight fractions. FDK exhibited significantly higher activity toward the production of macrophage-stimulatory mediators compared with that of DK, and the high-molecular weight fraction (FDK-H) isolated from FDK was shown to have more potent activity than FDK. FDK-H not only increased the expression of immunostimulatory genes (TNF-α, IL-6, IL-12, and iNOS), but also stimulated the phosphorylation of both MAPK (ERK, JNK, and p38) and NF-κB (p65 and IκB) signaling molecules underlying macrophage activation. The putative chemical characteristic of FDK-H was identified as a pectic rhamnogalacturonan (RG) I-rich polysaccharide with a high molecular weight of 304 kDa containing galacturonic acid, arabinose, rhamnose, and galactose as the major monosaccharide units. CONCLUSION: The present study reveals that traditional fermentation is a useful method for increasing the macrophage-immunostimulatory activity of persimmon fruit, and the increased activity may be associated with structural modification of persimmon polysaccharides. This study may serve to identify a functional ingredient as an immunostimulatory agent, and our results may be applied to develop a new immunostimulatory product using FDK-H. © 2021 Society of Chemical Industry.


Assuntos
Diospyros , Diospyros/química , Frutas/química , Macrófagos , NF-kappa B/genética , Pectinas , Polissacarídeos/química
11.
J Agric Food Chem ; 67(5): 1392-1401, 2019 Feb 06.
Artigo em Inglês | MEDLINE | ID: mdl-30644744

RESUMO

Our previous study has confirmed that maltol can attenuate alcohol-induced acute hepatic damage and prevent oxidative stress in mice. Therefore, maltol might have the capacity to improve thioacetamide (TAA)-induced liver fibrosis. The purpose of this work was to explore the antifibrotic efficacy and underlying mechanisms of maltol for TAA-treated mice. Progressive liver fibrosis was established with a dose-escalating protocol in which the mice received TAA intraperitoneal three times a week for a total duration of 9 weeks. The injection doses of TAA were 50 mg/kg for the first week, 100 mg/kg for the second and third weeks, and 150 mg/kg for the rest of the injections. Maltol with doses of 50 and 100 mg/kg was given by gavage after 4 weeks of intraperitoneal injection of TAA, respectively, once daily for 5 weeks. Results indicated that TAA intraperitoneal injection significantly increased serum activities of alanine aminotransferase (ALT) (52.93 ± 13.21 U/L vs 10.22 ± 3.36 U/L) and aspartate aminotransferase (AST) (67.58 ± 25.84 U/L vs 39.34 ± 3.89 U/L); these elevations were significantly diminished by pretreatment with maltol. Additionally, maltol ameliorated TAA-induced oxidative stress with attenuation in MDA ( p < 0.05 or p < 0.01) content; evident elevation in the GSH levels, GSH/GSSG ratio ( p < 0.05 or p < 0.01), and superoxide dismutase (SOD) ( p < 0.01); and restored liver histology accompanied by a decrease of α-smooth muscle actin (α-SMA) expression. Furthermore, maltol significantly suppressed the transforming growth factor-ß1 (TGF-ß1) expression and the PI3K/Akt pathway. This study suggested that maltol alleviated experimental liver fibrosis by suppressing the activation of HSCs and inducing apoptosis of activated HSCs through TGF-ß1-mediated PI3K/Akt signaling pathway. These findings further clearly suggested that maltol is a potent therapeutic candidate for the alleviation of liver fibrosis.


Assuntos
Cirrose Hepática/tratamento farmacológico , Fosfatidilinositol 3-Quinases/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo , Pironas/administração & dosagem , Fator de Crescimento Transformador beta1/metabolismo , Alanina Transaminase/metabolismo , Animais , Aspartato Aminotransferases/metabolismo , Células Estreladas do Fígado/efeitos dos fármacos , Células Estreladas do Fígado/metabolismo , Humanos , Fígado/efeitos dos fármacos , Fígado/metabolismo , Cirrose Hepática/induzido quimicamente , Cirrose Hepática/genética , Cirrose Hepática/metabolismo , Masculino , Camundongos , Camundongos Endogâmicos ICR , Estresse Oxidativo/efeitos dos fármacos , Fosfatidilinositol 3-Quinases/genética , Proteínas Proto-Oncogênicas c-akt/genética , Transdução de Sinais/efeitos dos fármacos , Superóxido Dismutase/genética , Superóxido Dismutase/metabolismo , Tioacetamida/efeitos adversos , Fator de Crescimento Transformador beta1/genética
12.
Sci Rep ; 8(1): 15922, 2018 10 29.
Artigo em Inglês | MEDLINE | ID: mdl-30374107

RESUMO

Cisplatin, a potent anticancer drug, is usually causing nephrotoxicity; limiting its therapeutic application and efficiency. Maltol may be used to prevent such toxic effect. The aim of this study was to investigate the underlying protective mechanisms of maltol on nephrotoxicity by cisplatin using a cisplatin-treated mouse model and a cellular toxicity model of HEK293 cells. The blood urea nitrogen (BUN), creatinine (CRE) and neutrophil gelatinase-associated lipocalin (NGAL) levels in mice were increased by cisplatin but decreased to normal ranges by maltol pretreatment (50 and 100 mg/kg) for ten days. Besides, maltol pretreatment decreased oxidative stress, lipid peroxidation and apoptosis in cisplatin-treated mice. The inhibitory action of maltol on inflammatory responses was achieved by reducing the expressions in NF-κB, IL-1ß, iNOS, and TNF-α in the mice in vivo. Additionally, maltol restored the reduction of PI3K/Akt and mTOR levels by cisplatin through increasing AMPK expression in cisplatin-treated HEK293 cells. Maltol also suppressed the expression of Bax and caspase 3 by inhibiting the p53 activity in HEK293 cells. Overall, maltol may serve as a valuable potential drug to prevent cisplatin-induced nephrotoxicity, and the underlying molecular mechanisms of maltol action may involve intracellular AMPK/PI3K/Akt and p53 signaling pathways.


Assuntos
Proteínas Quinases Ativadas por AMP/metabolismo , Cisplatino/farmacologia , Rim/metabolismo , Pironas/farmacologia , Transdução de Sinais/efeitos dos fármacos , Animais , Apoptose/efeitos dos fármacos , Nitrogênio da Ureia Sanguínea , Creatinina/sangue , Células HEK293 , Humanos , Rim/efeitos dos fármacos , Rim/patologia , Masculino , Camundongos , Camundongos Endogâmicos ICR , NF-kappa B/metabolismo , Estresse Oxidativo/efeitos dos fármacos , Fosfatidilinositol 3-Quinases/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo , Proteína Supressora de Tumor p53/metabolismo , Proteína X Associada a bcl-2/metabolismo
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