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Drug: Acetylcysteine

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Total 193 results found since Jan 2013.

The apoptotic effect of Zoledronic acid on the nasopharyngeal carcinoma cells via ROS mediated chloride channel activation.
This article is protected by copyright. All rights reserved. PMID: 29884989 [PubMed - as supplied by publisher]
Source: Clinical and Experimental Pharmacology and Physiology - June 8, 2018 Category: Drugs & Pharmacology Authors: Wang L, Gao H, Yang X, Liang X, Tan Q, Chen Z, Zhao C, Gu Z, Yu M, Zheng Y, Huang Y, Zhu L, Jacob TJC, Wang L, Chen L Tags: Clin Exp Pharmacol Physiol Source Type: research

Expression of GRIM-19 in unexplained recurrent spontaneous abortion and possible pathogenesis
AbstractSTUDY QUESTIONIs aberrant expression of gene associated with retinoid-interferon-induced mortality-19 (GRIM-19) associated with unexplained recurrent spontaneous abortion (URSA)?SUMMARY ANSWERGRIM-19 deficiency may regulate regulatory T cell/T helper 17 cell (Treg/Th17) balance partly through reactive oxygen species (ROS) –mammalian target of rapamycin (mTOR) signaling axis in URSA.WHAT IS KNOWN ALREADYImmunological disorders may cause impaired maternal immune tolerance to the fetus and result in fetal rejection. The differentiation of Treg and Th17 cells is controlled by phosphoinositide 3-kinase (PI3K)/Akt/mTOR...
Source: Molecular Human Reproduction - May 11, 2018 Category: Molecular Biology Source Type: research

The Sineoculis Homeobox Homolog 1 (SIX1) Gene Regulates Paclitaxel Resistance by Affecting Reactive Oxygen Species and Autophagy in Human Hepatocellular Carcinoma Cell Line HepG2.
CONCLUSIONS Knockdown of SIX1 increased cell ROS levels and autophagy, promoted cell apoptosis, and enhanced TAX sensitivity of HepG2 cells. PMID: 29656300 [PubMed - in process]
Source: Medical Science Monitor - April 18, 2018 Category: Research Tags: Med Sci Monit Source Type: research

DUSP14 knockout accelerates cardiac ischemia reperfusion (IR) injury through activating NF- κB and MAPKs signaling pathways modulated by ROS generation.
DUSP14 knockout accelerates cardiac ischemia reperfusion (IR) injury through activating NF-κB and MAPKs signaling pathways modulated by ROS generation. Biochem Biophys Res Commun. 2018 Apr 13;: Authors: Lin B, Xu J, Feng DG, Wang F, Wang JX, Zhao H Abstract Inflammation and oxidative stress are significantly involved in the progression of a variety of diseases, including myocardial ischemia/reperfusion (IR). In the present study, we hypothesized a protective role of dual-specificity phosphatase 14 (DUSP14) in myocardial IR, as well as the underlying molecular mechanism. The results indicated that DUS...
Source: Biochemical and Biophysical Research communications - April 13, 2018 Category: Biochemistry Authors: Lin B, Xu J, Feng DG, Wang F, Wang JX, Zhao H Tags: Biochem Biophys Res Commun Source Type: research

ROS Modifiers and NOX4 Affect the Expression of the Survivin-Associated Radio-Adaptive Response.
Abstract The survivin-associated radio-adaptive response can be induced following exposure to ionizing radiation in the dose range from 5 to 100 mGy, and its magnitude of expression is dependent upon the TP53 mutational status of cells and ROS signaling. The purpose of the study was to investigate the potential role of ROS in the development of the survivin-associated adaptive response. Utilizing human colon carcinoma HCT116 TP53 wild type (WT) and HCT116 isogenic TP53 null mutant (Mut) cell cultures, the roles of inter- and intracellular ROS signaling on expression of the adaptive response as evidenced by changes...
Source: Free Radical Biology and Medicine - April 13, 2018 Category: Biology Authors: Murley JS, Arbiser JL, Weichselbaum RR, Grdina DJ Tags: Free Radic Biol Med Source Type: research

Inhibition of NLRP9b attenuates acute lung injury through suppressing inflammation, apoptosis and oxidative stress in murine and cell models.
Abstract Acute lung injury (ALI), known a severe disease along with high morbidity and mortality, is lacking of specific therapies. Inflammation, apoptosis and oxidative stress are critical pathologies that contribute to ALI. Recently, there is study indicated that NLRP9b, a NOD-like receptor (NLR) member, is critical in modulation of inflammatory response. However, the effects of NLRP9b on sepsis-associated ALI, and the underlying molecular mechanism have not been understood. In the present study, the wild type (WT) and NLRP9b-knockout (NLRP9b-/-) mice with C57B/L6 background were subjected to a cecal ligation an...
Source: Biochemical and Biophysical Research communications - April 12, 2018 Category: Biochemistry Authors: Yanling Q, Xiaoning C, Fei B, Liyun F, Huizhong H, Daqing S Tags: Biochem Biophys Res Commun Source Type: research

SMAD4 gene mutation renders pancreatic cancer resistance to radiotherapy through promotion of autophagy.
CONCLUSIONS: Our results demonstrate that defective SMAD4 is responsible for radioresistance in pancreatic cancer through induction of ROS and increased level of radiation-induced autophagy. PMID: 29602802 [PubMed - as supplied by publisher]
Source: Clinical Cancer Research - March 30, 2018 Category: Cancer & Oncology Authors: Wang F, Xia X, Yang C, Shen J, Mai J, Kim HC, Kirui D, Kang Y, Fleming JB, Koay EJ, Mitra S, Ferrari M, Shen H Tags: Clin Cancer Res Source Type: research

Silibinin sensitizes TRAIL-mediated apoptosis by upregulating DR5 through ROS-induced endoplasmic reticulum stress-Ca2+-CaMKII-Sp1 pathway.
In this study, we addressed how silibinin enhances tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-mediated apoptosis in various cancer cells. Combined treatment with silibinin and TRAIL (silibinin/TRAIL) induced apoptosis accompanied by the activation of caspase-3, caspase-8, caspase-9, and Bax, and cytosolic accumulation of cytochrome c. Anti-apoptotic proteins such as Bcl-2, IAP-1, and IAP-2 were inhibited as well. Silibinin also triggered TRAIL-induced apoptosis in A549 cells through upregulation of death receptor 5 (DR5). Pretreatment with DR5/Fc chimeric protein and DR5-targeted small interfering RNA ...
Source: Oncotarget - March 16, 2018 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Reactive oxygen species up-regulate expression of muscle atrophy-associated ubiquitin ligase Cbl-b in rat L6 skeletal muscle cells.
K, Sokabe M, Nikawa T Abstract Unloading-mediated muscle atrophy is associated with increased reactive oxygen species (ROS) production. We previously demonstrated that elevated ubiquitin ligase casitas B-lineage lymphoma-b (Cbl-b) resulted in the loss of muscle volume [Nakao R. et al. Mol Cell Biol, 29: 4798-4811, 2009]. However, the pathological role of ROS production associated with unloading-mediated muscle atrophy still remains unknown. Here, we showed the ROS-mediated signal transduction caused by microgravity or its simulation contributes to Cbl-b expression. In L6 myotubes, the assessment of redox status re...
Source: Am J Physiol Cell Ph... - March 7, 2018 Category: Cytology Authors: Uchida T, Sakashita Y, Kitahata K, Yamashita Y, Tomida C, Kimori Y, Komatsu A, Hirasaka K, Ohno A, Nakao R, Higashitani A, Higashibata A, Ishioka N, Shimazu T, Kobayashi T, Okumura Y, Choi I, Oarada M, Mills EM, Teshima-Kondo S, Takeda S, Tanaka E, Tanaka Tags: Am J Physiol Cell Physiol Source Type: research

Suppression of Nrf2 confers chemosensitizing effect through enhanced oxidant-mediated mitochondrial dysfunction.
In this study, we investigated the mechanism of this chemosensitizing effect. MAIN METHODS: KKU-100 cells were used in the study. Nrf2 expression was knocked down by siRNA and expression was validated by reverse transcription and polymerase chain reaction. Cytotoxicity was assessed by sulforhodamine B method. Intracellular reactive oxygen species (ROS) was examined by fluorescent dye, dichlorofluorescin diacetate method and mitochondrial transmembrane potential was assessed by JC1 dye assay. KEY FINDINGS: Cytotoxicity of cisplatin (Cis) in KKU-100 cells was enhanced by knockdown of Nrf2 expression. The enhanced c...
Source: Biomedicine and pharmacotherapy = Biomedecine and pharmacotherapie - March 5, 2018 Category: Drugs & Pharmacology Authors: Sompakdee V, Prawan A, Senggunprai L, Kukongviriyapan U, Samathiwat P, Wandee J, Kukongviriyapan V Tags: Biomed Pharmacother Source Type: research

Arsenite exposure potentiates apoptosis-inducing effects of tumor necrosis factor-alpha- through reactive oxygen species.
In conclusion, NaAsO2 exposure might amplify inflammation-related tissue injury by potentiating the apoptosis-inducing effect of TNF-α through ROS-dependent mechanism. PMID: 29479036 [PubMed - in process]
Source: Journal of Toxicological Sciences - February 28, 2018 Category: Toxicology Tags: J Toxicol Sci Source Type: research

Acrylamide-induced oxidative stress and inflammatory response are alleviated by N-acetylcysteine in PC12 cells: Involvement of the crosstalk between Nrf2 and NF- κB pathways regulated by MAPKs.
This study focused on clarifying the crosstalk between the involved signaling pathways in ACR-induced oxidative stress and inflammatory response and investigating the protective effect of antioxidant N-acetylcysteine (NAC) against ACR in PC12 cells. Results revealed that ACR exposure led to oxidative stress characterized by significant increase in reactive oxygen species (ROS) and malondialdehyde (MDA) levels and glutathione (GSH) consumption. Inflammatory response was observed based on the dose-dependently increased levels of pro-inflammatory cytokines tumor necrosis factor-α (TNF-α) and interleukin 6 (IL-6). NAC attenu...
Source: Toxicology Letters - February 6, 2018 Category: Toxicology Authors: Pan X, Wu X, Yan D, Peng C, Rao C, Yan H Tags: Toxicol Lett Source Type: research

HMGB1 ‐induced asthmatic airway inflammation through GRP75‐mediated enhancement of ER‐mitochondrial Ca2+ transfer and ROS increased
Abstract Imbalanced T‐helper (TH)1/Th2 response contributes significantly to asthma pathogenesis. Our study indicated that HMGB1 play an important role in the release of Th2‐associated cytokines of asthma. However, the specific mechanism about HMGB1‐induced imbalanced TH1/Th2 response is not known. In vivo, an OVA‐induced asthma mouse model was set up and mice treated with anti‐HMGB1 IgG. The mice treated with the anti‐HMGB1 IgG ameliorated airway hyper‐reactivity, disruption of Th1/Th2 balance and the upregulation of GRP75 induced by OVA. In vitro, the exposure of normal human bronchial epithelial cells to H...
Source: Journal of Cellular Biochemistry - January 25, 2018 Category: Biochemistry Authors: Yanhua Lv, Yanli Li, Dandan Zhang, Anbing Zhang, Weihong Guo, Shunfang Zhu Tags: RESEARCH ARTICLE Source Type: research

HMGB1 ‐induced asthmatic airway inflammation through GRP75‐mediated enhancement of ER–Mitochondrial Ca2+ transfer and ROS increased
This article is protected by copyright. All rights reserved
Source: Journal of Cellular Biochemistry - January 2, 2018 Category: Biochemistry Authors: Lv Yanhua, Li Yanli, Zhang Dandan, Zhang Anbing, Guo Weihong, Zhu Shunfang Tags: Article Source Type: research

The orally active pterocarpanquinone LQB ‐118 exhibits cytotoxicity in prostate cancer cell and tumor models through cellular redox stress
ConclusionLQB‐118 is a developing and orally active pterocarpanquinone agent that effectively kills PCa cells through quinone reduction and ROS generation. The inhibition SOD1 expression enhances LQB‐118 activity, presumably by impairing the cellular antioxidant response.
Source: The Prostate - November 6, 2017 Category: Urology & Nephrology Authors: Thiago Martino, Tarana A. Kudrolli, Binod Kumar, Isis Salviano, Andr é Mencalha, Marsen Garcia P. Coelho, Graça Justo, Paulo R. Ribeiro Costa, Kátia C. Carvalho Sabino, Shawn E. Lupold Tags: ORIGINAL ARTICLE Source Type: research