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https://www.readbyqxmd.com/read/28428278/oncogenic-role-of-snd1-in-development-and-progression-of-hepatocellular-carcinoma
#1
Nidhi Jariwala, Devaraja Rajasekaran, Rachel G Mendoza, Xue-Ning Shen, Ayesha Siddiq, Maaged Akiel, Chadia L Robertson, Mark A Subler, Jolene Windle, Paul B Fisher, Arun J Sanyal, Devanand Sarkar
SND1, a subunit of the miRNA regulatory complex RISC, has been implicated as an oncogene in hepatocellular carcinoma (HCC). In this study, we show that hepatocyte-specific SND1 transgenic mice (Alb/SND1 mice) develop spontaneous HCC with partial penetrance and exhibit more highly aggressive HCC induced by chemical carcinogenesis. Livers from Alb/SND1 mice exhibited a relative increase in inflammatory markers and spheroid-generating tumor initiating cells (TIC). Mechanistic investigations defined roles for Akt and NF-kappaB signaling pathways in promoting TIC formation in Alb/SND1 mice...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28412955/long-non-coding-rna-nkila-inhibits-migration-and-invasion-of-non-small-cell-lung-cancer-via-nf-%C3%AE%C2%BAb-snail-pathway
#2
Zhiliang Lu, Yuan Li, Jingnan Wang, Yun Che, Shouguo Sun, Jianbing Huang, Zhaoli Chen, Jie He
BACKGROUND: Numerous studies have shown that long non-coding RNAs (lncRNAs) play key roles during multiple cancer processes, such as cell proliferation, apoptosis, migration and invasion. The previous studies found that NKILA interacted with and suppressed the nuclear translocation of NF-KappaB, which influenced metastasis and prognosis in breast cancer. However the clinical significance and biological role of NKILA in non-small cell lung cancer (NSCLC) remains unknown. METHODS: We examined expression levels of NKILA in 106 pairs of NSCLC tissues and cell lines...
April 17, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28407300/thrombin-induces-ccl2-expression-in-human-lung-fibroblasts-via-p300-mediated-histone-acetylation-and-nf-kappab-activation
#3
Xiaoling Deng, Xiaoqiong Zhou, Yan Deng, Fan Liu, Xiaofan Feng, Qi Yin, Yinzhen Gu, Songlin Shi, Mingyan Xu
BACKGROUND AND OBJECTIVE: Thrombin has been shown to play a key role in lung diseases such as pulmonary fibrosis via the induction of fibrotic cytokine- chemokine (CC motif) ligand-2 (CCL2) expression. We previously reported that transcription factor nuclear factor-κB (NF-κB) is responsible for thrombin-induced CCL2 expression in human lung fibroblasts (HLFs). Here we extended our study to investigate the epigenetic regulation mechanism for thrombin-induced CCL2 expression in HLF. METHODS: HLFs were cultured in F-12 medium...
April 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28378771/mediation-of-transitional-b-cell-maturation-in-the-absence-of-functional-bruton-s-tyrosine-kinase
#4
Shalini Tanwar, Atika Dhar, Vineeth Varanasi, Tapas Mukherjee, Ramanamurthy Boppana, Soumen Basak, Vineeta Bal, Anna George, Satyajit Rath
X-linked immune-deficient (Xid) mice, carrying a mutation in Bruton's tyrosine kinase (Btk), have multiple B cell lineage differentiation defects. We now show that, while Xid mice showed only mild reduction in the frequency of the late transitional (T2) stage of peripheral B cells, the defect became severe when the Xid genotype was combined with either a CD40-null, a TCRbeta-null or an MHC class II (MHCII)-null genotype. Purified Xid T1 and T2 B cells survived poorly in vitro compared to wild-type (WT) cells...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28343379/hepatitis-c-virus-nonstructural-5a-protein-hcv-ns5a-inhibits-hepatocyte-apoptosis-through-the-nf-%C3%AE%C2%BAb-mir-503-bcl-2-pathway
#5
Zhengyuan Xie, Zhihua Xiao, Fenfen Wang
The nonstructural protein 5A (NS5A) encoded by the human hepatitis C virus (HCV) RNA genome is a multifunctional phosphoprotein. To analyse the influence of NS5A on apoptosis, we established an Hep-NS5A cell line (HepG2 cells that stably express NS5A) and induced apoptosis using tumour necrosis factor (TNF)-α. We utilised the MTT assay to detect cell viability, real-time quantitative polymerase chain reaction and Western blot to analyse gene and protein expression, and a luciferase reporter gene experiment to investigate the targeted regulatory relationship...
March 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28332556/corrigendum-nf-kappab-inducing-kinase-regulates-stem-cell-phenotype-in-breast-cancer
#6
Karla Vazquez-Santillan, Jorge Melendez-Zajgla, Luis Enrique Jimenez-Hernandez, Javier Gaytan-Cervantes, Laura Muñoz-Galindo, Patricia Piña-Sanchez, Gustavo Martinez-Ruiz, Javier Torres, Patricia Garcia-Lopez, Carolina Gonzalez-Torres, Victor Ruiz, Federico Avila-Moreno, Marco Velasco-Velazquez, Mayra Perez-Tapia, Vilma Maldonado
No abstract text is available yet for this article.
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28275299/dysregulation-of-mrna-profile-in-cisplatin-resistant-gastric-cancer-cell-line-sgc7901
#7
Xiao-Que Xie, Qi-Hong Zhao, Hua Wang, Kang-Sheng Gu
AIM: To explore novel therapeutic target of cisplatin resistance in human gastric cancer. METHODS: The sensitivity of SGC7901 cells and cisplatin-resistant SGC7901 cells (SGC7901/DDP) for cisplatin were detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay. High-quality total RNA which isolated from SGC7901/DDP cells and SGC7901 cells were used for mRNA microarray analysis. Results were analyzed bioinformatically to predict their roles in the development of cisplatin resistance and the expression of 13 dysregulated mRNAs we selected were validated by quantitative real-time polymerase chain reaction (qRT-PCR)...
February 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28245468/raf-kinase-inhibitor-protein-attenuates-ischemic-induced-microglia-cell-apoptosis-and-activation-through-nf-%C3%AE%C2%BAb-pathway
#8
Li Su, Rongrong Zhang, Yuanyuan Chen, Zhenyu Zhu, Chao Ma
BACKGROUND: Acute ischemic stroke is one of the most important factors leading to disability and death with the characterization of accumulated neuron death and injured supportive neurovascular structures. Raf-1 kinase inhibitory protein (RKIP) is a key molecule in cell response to survival or death stimuli. However, the role of RKIP in stroke is worthy to be further studied. METHODS: We used lentivirus mediated RKIP knockdown and overexpression to investigate the effect of RKIP on animal models of focal cerebral ischemia...
February 28, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28217806/-effects-of-salidroside-on-the-secretion-of-inflammatory-mediators-induced-by-lipopolysaccharide-in-murine-macrophage-cell-line-j774-1
#9
Qian Huang, Xiao-Lan Hu
To investigate the effect of salidroside (Sal) on the inflammatory activation of lipopolysaccharide (LPS)-induced murine macrophage cell line J774.1 and its possible mechanism, the cells were treated with PBS, LPS (0.5 µg/mL) or different doses of Sal (5, 25, 125 µg/mL) + LPS (0.5 µg/mL). CCK-8 colorimetric method was used to detect the cell activity. The enzyme-linked immunosorbent assay (ELISA) was used to detect the contents of TNF-α, MCP-1 and MIP-2 in the supernatant, and the content of NO in the supernatant was determined by nitrate reductase method...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28212352/rta-occupancy-of-the-origin-of-lytic-replication-during-murine-gammaherpesvirus-68-reactivation-from-b-cell-latency
#10
Alexis L Santana, Darby G Oldenburg, Varvara Kirillov, Laraib Malik, Qiwen Dong, Roman Sinayev, Kenneth B Marcu, Douglas W White, Laurie T Krug
RTA, the viral Replication and Transcription Activator, is essential for rhadinovirus lytic gene expression upon de novo infection and reactivation from latency. Lipopolysaccharide (LPS)/toll-like receptor (TLR)4 engagement enhances rhadinovirus reactivation. We developed two new systems to examine the interaction of RTA with host NF-kappaB (NF-κB) signaling during murine gammaherpesvirus 68 (MHV68) infection: a latent B cell line (HE-RIT) inducible for RTA-Flag expression and virus reactivation; and a recombinant virus (MHV68-RTA-Bio) that enabled in vivo biotinylation of RTA in BirA transgenic mice...
February 16, 2017: Pathogens
https://www.readbyqxmd.com/read/28207754/ascofuranone-inhibits-lipopolysaccharide-induced-inflammatory-response-via-nf-kappab-and-ap-1-p-erk-tnf-%C3%AE-il-6-and-il-1%C3%AE-in-raw-264-7-macrophages
#11
Jun-Young Park, Tae-Wook Chung, Yun-Jeong Jeong, Choong-Hwan Kwak, Sun-Hyung Ha, Kyung-Min Kwon, Fukushi Abekura, Seung-Hak Cho, Young-Choon Lee, Ki-Tae Ha, Junji Magae, Young-Chae Chang, Cheorl-Ho Kim
The natural fungal compound ascofuranone (5-chloro-3-[(2E,6E)-7-[(2S)-5,5-dimethyl-4-oxo-tetrahydrofuran-2-yl]-3-methyl-octa-2,6-dienyl]-2,4-dihydroxy-6-methyl-benzaldehyde, MW 420.93) (AF) isolated from Ascochyta viciae has been known to promote cell cycle arrest and inhibit invasion of tumor cells. We have previously studied a structurally similar compound ascochlorin (ASC; MW 404.93) with regard to its anti-inflammatory activity in LPS- stimulated RAW 264.7 macrophages. In order to examine the relationship between the anti-inflammatory activities and the molecular differences between AF and ASC, the activity of AF is herein studied, because ASC has a unique trimethyl oxocyclohexyl structure, while AF has a unique dimethyl-oxo-tetrahydrofuran structure...
2017: PloS One
https://www.readbyqxmd.com/read/28202068/the-dna-damage-response-promotes-polyomavirus-jc-infection-by-nucleus-to-cytoplasm-nf-kappab-activation
#12
Martyn K White, Anna Bellizzi, Gabriele Ibba, Valeria Pietropaolo, Anna T Palamara, Hassen S Wollebo
BACKGROUND: Infection of glial cells by human neurotropic polyomavirus JC (JCV), the causative agent of the CNS demyelinating disease progressive multifocal leukoencephalopathy (PML), rapidly inflicts damage to cellular DNA. This activates DNA damage response (DDR) signaling including induction of expression of DNA repair factor Rad51. We previously reported that Rad51 co-operates with the transcription factor NF-κB p65 to activate JCV early transcription. Thus Rad51 induction by JCV infection may provide positive feedback for viral activation early in JCV infection...
February 15, 2017: Virology Journal
https://www.readbyqxmd.com/read/28192201/the-natural-product-bergenin-ameliorates-lipopolysaccharide-induced-acute-lung-injury-by-inhibiting-nf-kappab-activition
#13
Shengqian Yang, Ziru Yu, Lin Wang, Tianyi Yuan, Xue Wang, Xue Zhang, Jinhua Wang, Yang Lv, Guanhua Du
ETHNOPHARMACOLOGICAL RELEVANCE: Bergenin, an active constituent of the plants of the genus Bergenia, was reported to have anti-inflammatory effects in the treatment of chronic bronchitis and chronic gastritis clinically. However, its therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its potential mechanisms of actions were still unknown. AIM OF THIS STUDY: To evaluate the effect of bergenin on murine model of acute lung injury induced by LPS and also to explore its potential mechanisms...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28167864/ezetimibe-reduces-cholesterol-content-and-nf-kappab-activation-in-liver-but-not-in-intestinal-tissue-in-guinea-pigs
#14
Peter Fraunberger, Elisabeth Gröne, Hermann-Josef Gröne, Heinz Drexel, Autar K Walli
BACKGROUND: Statins (HMG CoA reductase inhibitors), in addition to reducing circulating cholesterol and incidence of coronary heart disease, also have pleiotropic, anti-inflammatory effects. Patients with chronic liver diseases, non-alcoholic fatty liver disease (NAFLD) or hepatitis C are often excluded from statin therapy because of adverse effects in a small cohort of patients despite increased cardiovascular risk cholesterol. Ezetimibe, which inhibits cholesterol absorption by inhibition of Niemann-Pick C1 like 1 (NPC1L1) protein in the brush border of intestinal cells, has been suggested as a new therapeutic option in these patients...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28162525/-290-toll-like-receptor-2-regulates-nerve-growth-factor-through-nf-kappab-and-mapk-signaling-in-human-intervertebral-discs
#15
E Krock, B Currie, D Rosenzweig, M Weber, J Ouellet, L Stone, L Haglund
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28125037/therapeutic-effect-of-cistanoside-a-on-bone-metabolism-of-ovariectomized-mice
#16
Xiaoxue Xu, Zhuanzhuan Zhang, Wenping Wang, Huiqin Yao, Xueqin Ma
Cistanoside A (Cis A), an active phenylethanoid glycoside isolated from Cistanche deserticola Y. C. Ma, has received our attention because of its possible role in the treatment of osteoporosis. In the present study, we evaluated the effects of Cis A on an ovariectomized (OVX) mice model and investigated its underlying molecular mechanisms of action. After 12 weeks of orally-administrated intervention, Cis A (20, 40 and 80 mg/kg body weight/day) exhibited significant antiosteoporotic effects on OVX mice, evidenced by enhanced bone strength, bone mineral density and improved trabecular bone microarchitecture...
January 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28122920/combined-traf6-targeting-and-proteasome-blockade-has-anti-tumor-and-anti-bone-resorptive-effects
#17
Haiming Chen, Mingjie Li, Eric Sanchez, Cathy S Wang, Tiffany Lee, Camilia M Soof, Christian E Casas, Jasmin Cao, Colin Xie, Kyle A Udd, Kevin DeCorso, George Y Tang, Tanya M Spektor, James R Berenson
Tumor necrosis factor receptor-associated factor 6 (TRAF6) has been implicated in polyubiquitin-mediated IL-1R/TLR signaling through activation of IκB kinase (IKK) to regulate the NF-κB and JNK signaling pathways. Here, TRAF6 protein was determined to be overexpressed in bone marrow mononuclear cells (BMMCs) from multiple myeloma (MM) patients. TRAF6 expression in BMMCs from patients with progressive disease is significantly elevated as compared to individuals in complete remission, with monoclonal gammopathy of undetermined significance, or healthy subjects...
January 25, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28117941/donor-preconditioning-after-the-onset-of-brain-death-with-dopamine-derivate-n-octanoyl-dopamine-improves-early-posttransplant-graft-function-in-the-rat
#18
S Li, S Korkmaz-Icöz, T Radovits, M Ruppert, R Spindler, S Loganathan, P Hegedűs, P Brlecic, B Theisinger, S Theisinger, S Höger, M Brune, F Lasitschka, M Karck, B Yard, G Szabó
Heart transplantation is the therapy of choice for end-stage heart failure. However, hemodynamic instability, which has been demonstrated in brain-dead donors (BDD), could also affect the posttransplant graft function. We tested the hypothesis that treatment of the BDD with the dopamine derivate n-octanoyl-dopamine (NOD) improves donor cardiac and graft function after transplantation. Donor rats were given a continuous intravenous infusion of either NOD (0.882 mg/kg/h, BDD+NOD, n = 6) or a physiological saline vehicle (BDD, n = 9) for 5 h after the induction of brain death by inflation of a subdural balloon catheter...
January 24, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28108624/inflammatory-molecule-psgl-1-deficiency-activates-macrophages-to-promote-colorectal-cancer-growth-through-nf%C3%AE%C2%BAb-signaling
#19
Jiangchao Li, Zeqi Zhou, Xiaohan Zhang, Li Zheng, Dan He, Yuxiang Ye, Qian-Qian Zhang, Cui-Ling Qi, Xiao-Dong He, Chen Yu, Chun-Kui Shao, Liang Qiao, Lijing Wang
P-selectin glycoprotein ligand 1 (SELPLG/PSGL-1) is an inflammatory molecule that is functionally related to immune cell differentiation and leukocyte mobilization. However, the role of PSGL-1 in tumor development remains unknown. Therefore, this study investigates the mechanistic role of PSGL-1 in the development of intestinal tumors in colorectal cancer. Apc(Min/+) mice are highly susceptible to spontaneous intestinal adenoma formation, and were crossbred with PSGL1-null mice to generate compound transgenic mice with a Apc(Min/+);PSGL-1(-/-) genotype...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108024/isolation-of-isoflavones-from-iris-kashmiriana-baker-as-potential-anti-proliferative-agents-targeting-nf-kappab
#20
Afroze Alam, Varun Jaiswal, Sohail Akhtar, B S Jayashree, K L Dhar
Cancer is possibly one of the most devastating and complex disease and therefore involves chemotherapy as one of the frontline strategies in its therapy. However, expected toxicity and resistance with chemotherapeutic agents encourage us to use the plant derived natural chemotherapeutic sources at the clinical stage of cancer therapy. In view of this strategy, herein new glycosides and isoflavonoids were isolated from Iris kashmiriana Baker and subjected to structure elucidation followed by their biological evaluation...
April 2017: Phytochemistry
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