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https://www.readbyqxmd.com/read/29352484/melatonin-ameliorates-a%C3%AE-42-induced-alteration-of-%C3%AE-app-processing-secretases-via-the-melatonin-receptor-through-the-pin1-gsk3%C3%AE-nf-%C3%AE%C2%BAb-pathway-in-sh-sy5y-cells
#1
Vorapin Chinchalongporn, Mayuri Shukla, Piyarat Govitrapong
Melatonin is involved in the physiological regulation of the β- amyloid precursor protein (βAPP) cleaving secretases which are responsible for generation of the neurotoxic amyloid beta (Aβ) peptide, one of the hallmarks of Alzheimer's disease (AD) pathology. In this study, we aimed to determine the underlying mechanisms of this regulation under pathological conditions. We establish that melatonin prevents Aβ42 -induced down-regulation of a disintegrin and metalloproteinase domain-containing protein 10 (ADAM10) as well as up-regulation of β-site APP-cleaving enzyme 1 (BACE1) and presenilin 1 (PS1) in SH-SY5Y cell cultures...
January 20, 2018: Journal of Pineal Research
https://www.readbyqxmd.com/read/29351747/combination-of-pelargonium-sidoides-and-coptis-chinensis-root-inhibits-nuclear-factor-kappa-b-mediated-inflammatory-response-in-vitro-and-in-vivo
#2
Sang Mi Park, Byung-Gu Min, Ji Yun Jung, Kyung Hwan Jegal, Chul Won Lee, Kwang Youn Kim, Young Woo Kim, Youn-Woong Choi, Il Je Cho, Sae Kwang Ku, Sang Chan Kim
BACKGROUND: Pelargonium sidoides (PS) and Coptis chinensis root (CR) have traditionally been used to treat various diseases, including respiratory and gastrointestinal infections, dysmenorrhea, and hepatic disorders. The present study was conducted to evaluate the anti-inflammatory effects of a combination of PS and CR in vitro and in vivo. METHODS: The in vitro effects of PS + CR on the induction of inflammation-related proteins were evaluated in lipopolysaccharide (LPS)-stimulated RAW 264...
January 19, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29350881/interferon-induced-protein-35-ifi35-inhibits-endothelial-cell-proliferation-migration-and-re-endothelialization-of-injured-arteries-by-inhibiting-the-nuclear-factor-kappa-b-nf-kb-pathway
#3
Dongdong Jian, Weina Wang, Xinmiao Zhou, Zhen Jia, Jing Wang, Mei Yang, Wenting Zhao, Zhen Jiang, Xiaotong Hu, Jianhua Zhu
AIM: Endothelial recovery, or re-endothelialization, plays an important role in intimal hyperplasia and atherosclerosis after endothelial injury. Studying the mechanisms of re-endothelialization and strategies to promote efficient endothelial recovery are still needed. Interferon-induced protein 35 (IFI35) is an IFN-γ-induced protein that plays important roles in the anti-virus-related immune-inflammatory response. In this study, we tested whether overexpression IFI35 affects the proliferation and migration of endothelial cells (ECs) and re-endothelialization...
January 19, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29350750/the-hepatoprotective-effect-of-selenium-enriched-yeast-and-gum-arabic-combination-on-carbon-tetrachloride-induced-chronic-liver-injury-in-rats
#4
Mohammed Hamid, Yassin Abdulrahim, Dandan Liu, Gang Qian, Alamzeb Khan, Kehe Huang
The antioxidant and anti-inflammatory effects of selenium-enriched yeast (SY) and Gum Arabic (GA) have been reported. This study aimed to determine the hepatoprotective effect of SY and GA combination on carbon tetrachloride (CCl4 )-induced chronic liver injury in rats and to explore their synergistic mechanisms of action. Forty adult male Wistar rats randomly allotted to 5 groups: (A) worked as control, (B) was administered CCl4 , (C-E) were fed daily by GA, SY, and GA+SY respectively after mixing with basal diet, following CCl4 -intoxication...
January 19, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29348847/distinct-roles-of-traf6-and-tak1-in-the-regulation-of-adipocyte-survival-thermogenesis-program-and-high-fat-diet-induced-obesity
#5
Yann S Gallot, Joseph D McMillan, Guangyan Xiong, Kyle R Bohnert, Alex R Straughn, Bradford G Hill, Ashok Kumar
Chronic low-grade inflammation, adipocyte hypertrophy, and glucose intolerance are common features of obesity and a risk factor for cancer. Tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6) is an adaptor protein that also possesses a non-conventional E3 ubiquitin ligase activity. In response to receptor-mediated events, TRAF6 activates transforming growth factor-activated kinase 1 (TAK1), which leads to activation of the MAPK and nuclear factor-kappa B (NF-κB) signaling pathways. However, the roles of TRAF6 and TAK1 in the regulation of adipocyte function remain less understood...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348722/regulatory-effects-of-saponins-from-panax-japonicus-on-colonic-epithelial-tight-junctions-in-aging-rats
#6
Yaoyan Dun, Min Liu, Jing Chen, Danli Peng, Haixia Zhao, Zhiyong Zhou, Ting Wang, Chaoqi Liu, Yuhui Guo, Changcheng Zhang, Ding Yuan
Background: Saponins from Panax japonicus (SPJ) are the most abundant and main active components of P. japonicus, which replaces ginseng roots in treatment for many kinds of diseases in the minority ethnic group in China. Our previous studies have demonstrated that SPJ has the effects of anti-inflammation through the mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) signaling pathways. The present study was designed to investigate whether SPJ can modulate intestinal tight junction barrier in aging rats and further to explore the potential mechanism...
January 2018: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29343543/an-autoimmune-disease-associated-risk-variant-in-the-tnfaip3-gene-plays-a-protective-role-in-brucellosis-that-is-mediated-by-the-nf-kappa-b-signaling-pathway
#7
Lixin Lou, Wanguo Bao, Xianjun Liu, Hongxiao Song, Yang Wang, Kaiyu Zhang, Wenjing Gao, Haijun Li, Zhengkun Tu, Shaofeng Wang
Naturally occurring functional variants (rs148314165 and rs200820567, collectively referred to as TT>A) reduce the expression of the tumor necrosis factor α-induced protein 3 (TNFAIP3) gene, a negative regulator of NF-κB signaling, and predispose individuals to autoimmune disease. In this analysis, we conducted a genetic association study of the TT>A variants in 1209 controls and in 150 patients with brucellosis, an infectious disease, and further assessed the role of the variants in brucellosis. Our data demonstrated that the TT>A variants were correlated with cases of brucellosis (P = 0...
January 17, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29343281/p-mapa-immunotherapy-potentiates-the-effect-of-cisplatin-on-serous-ovarian-carcinoma-through-targeting-tlr4-signaling
#8
Luiz Gustavo de Almeida Chuffa, Grazielle de Moura Ferreira, Luiz Antonio Lupi, Iseu da Silva Nunes, Wagner José Fávaro
BACKGROUND: Toll-like receptors (TLRs) are transmembrane proteins expressed on the surface of ovarian cancer (OC) and immune cells. Identifying the specific roles of the TLR-mediated signaling pathways in OC cells is important to guide new treatments. Because immunotherapies have emerged as the adjuvant treatment for patients with OC, we investigated the effect of a promising immunotherapeutic strategy based on protein aggregate magnesium-ammonium phospholinoleate-palmitoleate anhydride (P-MAPA) combined with cisplatin (CIS) on the TLR2 and TLR4 signaling pathways via myeloid differentiation factor 88 (MyD88) and TLR-associated activator of interferon (TRIF) in an in vivo model of OC...
January 17, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29340072/hyperbaric-oxygen-protects-against-myocardial-reperfusion-injury-via-the-inhibition-of-inflammation-and-the-modulation-of-autophagy
#9
Chunxia Chen, Wan Chen, Yaoxuan Li, Yanling Dong, Xiaoming Teng, Zhihuan Nong, Xiaorong Pan, Liwen Lv, Ying Gao, Guangwei Wu
Our previous study demonstrated that hyperbaric oxygen (HBO) preconditioning protected against myocardial ischemia reperfusion injury (MIRI) and improved myocardial infarction. However, HBO's effect on MIRI-induced inflammation and autophagy remains unclear. In this study, we investigate the potential impact and underlying mechanism of HBO preconditioning on an MIRI-induced inflammatory response and autophagy using a ligation of the left anterior descending (LAD) coronary artery rat model. Our results showed that HBO restored myocardial enzyme levels and decreased the apoptosis of cardiomyocytes, which were induced by MIRI...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29335864/ethanol-extract-of-lycopodium-serratum-thunb-attenuates-lipopolysaccharide-induced-c6-glioma-cells-migration-via-matrix-metalloproteinase-9-expression
#10
Ju-Yeon Park, Hyuck Kim, Dong-Woo Lim, Jai-Eun Kim, Won-Hwan Park, Sun-Dong Park
OBJECTIVE: To elucidate how ethanol extract of L. serratum (ELS) could exert anti-migratory effects on glioma with the suppression of nuclear factor kappa B (NF-κB) downstream pathway. METHODS: Cell viability of ELS on C6 glioma was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Nitric oxide (NO) assay and 2',7'-dichloroflfluorescin diacetate (DCFH-DA) assay were applied to measure NO production and reactive oxygen species (ROS) generation on lipopolysaccharide (LPS)-induced C6 glioma cells...
January 15, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29334666/effects-of-berberine-chloride-on-the-liver-of-streptozotocin-induced-diabetes-in-albino-wistar-rats
#11
Govindasami Chandirasegaran, Chakkaravarthy Elanchezhiyan, Kavisa Ghosh
The goal of the present study is to evaluate the effect of Berberine chloride (BC) on the liver of streptozotocin (STZ) induced diabetic rat. Diabetic rats were treated with BC (50 mg/kg b.w) or glibenclamide (6 mg/kg b.w), daily for 45 days. After BC treatment in diabetic rats, there was a significant (P < 0.05) decline in the levels of hepatic markers, lipid peroxidation markers such as lipid hydroperoxides (LOOH) and thiobarbituric acid reactive substances (TBARS), and pro-inflammatory mediators like tumor necrosis factor-alpha (TNF-α), phosphorylated nuclear factor kappa-B-p65 (phospho-NF-κB p65), cyclooxygenase (COX-2), nitric oxide synthase (iNOS) as well as pro-apoptotic mediators such as Bax and cytochrome c...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29333957/mir-98-promotes-apoptosis-of-glioma-cells-via-suppressing-ikbke-nf-%C3%AE%C2%BAb-pathway
#12
Lingyan Wang, Shaolei Guo, Heng Zhang
The inhibitor of kappa B kinase epsilon is overexpressed in glioma and plays antiapoptotic role via activating nuclear factor-kappa B. microRNA-98 can suppress glioma, modulate the activities of nuclear factor-kappa B, and bind to the 3'-untranslated region of inhibitor of kappa B kinase epsilon messenger RNA. This study was aimed to investigate the modulation of inhibitor of kappa B kinase epsilon/nuclear factor-kappa B by microRNA-98 in glioma. The results indicated that microRNA-98 was downregulated in glioma cell lines and human glioma tissues...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29333048/astaxanthin-ameliorates-hepatic-damage-and-oxidative-stress-in-carbon-tetrachloride-administered-rats
#13
Md Ariful Islam, Md Abdullah Al Mamun, Md Faruk, Md Tauhid Ul Islam, Md Mizanur Rahman, Mohammad Nazmul Alam, A F M Towheedur Rahman, Hasan Mahmud Reza, Md Ashraful Alam
Background: Astaxanthin is of carotenoids group which possess strong antioxidant properties. The present study was conducted to evaluate the hepatoprotective effects of astaxanthin in carbon tetrachloride (CCl4)-treated rats. Materials and Methods: Female Long-Evans rats were administered with CCl4 orally (1 ml/kg) twice a week for 2 weeks and were treated with astaxanthin (10 mg/kg) every day for 2 weeks. Blood plasma samples were isolated from each group and were analyzed for alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase activities...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29330224/vitamin-d-ameliorates-impaired-wound-healing-in-streptozotocin-induced-diabetic-mice-by-suppressing-nf-%C3%AE%C2%BAb-mediated-inflammatory-genes-expression
#14
Yifeng Yuan, Sushant K Das, MaoQuan Li
[Background] : Diabetic wounds are characterized by delayed wound healing due to persistent inflammation and excessive production of reactive oxygen species. Vitamin D, which is well acknowledged as enhanced intestinal calcium absorption and increase in plasma calcium level, has recently been shown to display beneficial effects in various vascular diseases by promoting angiogenesis and inhibiting inflammatory responses. However the role of Vitamin Din diabetic wound healing is still unclear. [Materials and Methods] : In the present study, we investigated the role of Vitamin D in cutaneous wound healing in streptozotocin (STZ) induced diabetic mice...
January 12, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29329668/helicobacter-pylori-induces-direct-activation-of-the-lymphotoxin-beta-receptor-and-non-canonical-nuclear-factor-kappa-b-signaling
#15
Michael Hartmut Feige, Michael Vieth, Olga Sokolova, Christian Täger, Michael Naumann
The pathogen Helicobacter pylori, which infects half of the world's population, is a major risk factor for the development of gastric diseases including chronic gastritis and gastric cancer. Among H. pylori's virulence factors is the cytotoxin-associated gene pathogenicity island (cagPAI), which encodes for a type IV secretion system (T4SS). The T4SS induces fast canonical nuclear factor-kappa B (NF-κB) signaling, a major factor increasing inflammation, supressing apoptotic cell death and thereby promoting the development of neoplasia...
January 9, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29327811/an-aza-resveratrol-chalcone-derivative-6b-protects-mice-against-diabetic-cardiomyopathy-by-alleviating-inflammation-and-oxidative-stress
#16
Shengban You, Jianchang Qian, Chuchu Sun, Hailing Zhang, Shiju Ye, Taiwei Chen, Zheng Xu, Jingying Wang, Weijian Huang, Guang Liang
Inflammation and oxidative stress play a crucial role in the development of diabetic cardiomyopathy (DCM). We previously had synthesized an Aza resveratrol-chalcone derivative 6b, of which effectively suppressing lipopolysaccharide (LPS)-induced inflammatory response in macrophages. This study aimed to investigate the potential protective effect of 6b on DCM and underlying mechanism. In H9c2 myocardial cells, 6b potently decreased high glucose (HG)-induced cell fibrosis, hypertrophy and apoptosis, alleviating inflammatory response and oxidant stress...
January 12, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29323736/mapk-and-nf-%C3%AE%C2%BAb-signalling-pathways-regulate-the-expression-of-mirna-let-7f-in-human-endocervical-epithelial-cells
#17
Kanchana K Ayyar, Kvr Reddy
MicroRNAs (miRNAs) mediate post-transcriptional gene suppression and are a critical component of the complex regulatory networks in epithelial immune responses. Transcription of miRNA genes in epithelial cells can be elaborately controlled through Toll-like receptors (TLRs), and associated nuclear factor kappa B (NF-κB) and mitogen-activated protein kinase (MAPK) pathways, leading to nuclear transcription factor associated-transactivation and transrepression of miRNAs. MiRNA, let-7f is involved in the regulation of innate immune responses post TLR3 stimulation in human endocervical cells (End1/E6E7) and decreased let-7f is associated with poor immune activation...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29323204/calcium-phosphate-complex-increased-during-subchondral-bone-remodeling-affects-earlystage-osteoarthritis
#18
Youn-Kwan Jung, Min-Su Han, Hye-Ri Park, Eun-Ju Lee, Ji-Ae Jang, Gun-Woo Kim, Sun-Young Lee, DaeWon Moon, Seungwoo Han
An activation of osteoclasts and subchondral bone remodeling is a major histologic feature of early-stage osteoarthritis (OA), which can be accompanied by an increase of calcium (Ca) and phosphate (Pi) level in the subchondral milieu. Considering articular cartilage gets most of nutrition from subchondral bone by diffusion, these micro-environmental changes in subchondral bone can affect the physiology of articular chondrocytes. Here, we have shown that Ca is increased and co-localized with Pi in articular cartilage of early-stage OA...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322359/expression-profiles-of-micrornas-in-oxidized-low-density-lipoprotein-stimulated-raw-264-7-cells
#19
Xiaokai Li, Siyuan Feng, Yi Luo, Keren Long, Zhenghao Lin, Jideng Ma, Anan Jiang, Long Jin, Qianzi Tang, Mingzhou Li, Xun Wang
Macrophage-derived foam cells were one of the hallmarks of atherosclerosis, and microRNAs played an important role in the formation of foam cells. In order to explore the roles of miRNA in the formation of foam cells, we investigated miRNA expression profiles in foam cells through high-throughput sequencing technology. A total of 84 miRNAs were differentially expressed between RAW 264.7 macrophages and foam cells induced by ox-LDL. Thirty miRNAs were upregulated and 54 miRNAs were downregulated. GO terms and KEGG pathways analysis revealed that the target genes of most of DE miRNAs were mainly enriched in "cell differentiation," "endocytosis," "MAPK signaling pathway," and "FoxO signaling pathway...
January 10, 2018: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29319901/gomisin-a-modulates-aging-progress-via-mitochondrial-biogenesis-in-human-diploid-fibroblast-cells
#20
Jeong-Seok Kim, Seon-Hwa Jeong, Sin-Hee Han, Ho-Keun Yi
Gomisin A from the fruit of Schisandra chinensis has many pharmacological properties, including hepato-protective, anti-diabetic, and anti-oxidative stress. However, the potential benefit of gomisin A is still not well understood, especially in aging progression. Therefore, the aim of this study was to clarify whether the promotion of mitochondrial biogenesis and autophagy of gomisin A affects anti-aging progression, and its mechanism. Intermediate (PD32) Human diploid fibroblast (HDF) cells were brought to stress-induced premature senescence (SIPS) using hydrogen peroxide (H2 O2 )...
January 10, 2018: Clinical and Experimental Pharmacology & Physiology
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