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https://www.readbyqxmd.com/read/28922619/identification-of-angiogenesis-inhibitors-using-a-co-culture-cell-model-in-a-high-content-and-high-throughput-screening-platform
#1
Shuaizhang Li, Chia-Wen Hsu, Srilatha Sakamuru, Chaozhong Zou, Ruili Huang, Menghang Xia
Angiogenesis is an important hallmark of cancer, contributing to tumor formation and metastasis. In vitro angiogenesis models for analyzing tube formation serve as useful tools to study these processes. However, current in vitro co-culture models using primary cells have limitations in usefulness and consistency. Therefore, in the present study, an in vitro co-culture assay system was optimized in a 1536-well format for high-throughput screening using human telomerase reverse transcriptase (hTERT)-immortalized mesenchymal stem cells and aortic endothelial cells...
September 1, 2017: SLAS Technology
https://www.readbyqxmd.com/read/28921659/ligature-induced-peri-implantitis-and-periodontitis-in-mice
#2
Sarah Hiyari, Ryan Wong, Aline Yaghsezian, Azadi Naghibi, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
AIM: Peri-implantitis (PI), inflammation around dental implants, shares characteristics with periodontitis (PD). However, PI is more difficult to control, treat, and detailed pathophysiology is unclear. We aimed to compare PI and PD progression utilizing a murine model. MATERIALS AND METHODS: Four-week-old male C57BL/6J mice had their left maxillary molars extracted. Implants were placed in healed extraction sockets and osseointegrated. Ligatures were tied around the implant and second molar...
September 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28919708/alginate-oligosaccharide-indirectly-affects-toll-like-receptor-signaling-via-the-inhibition-of-microrna-29b-in-aneurysm-patients-after-endovascular-aortic-repair
#3
Yong Yang, Zhenhuan Ma, Guokai Yang, Jia Wan, Guojian Li, Lingjuan Du, Ping Lu
Endovascular aortic repair (EVAR) is often followed by aneurysm recurrence. Alginate oligosaccharide (AOS) has potential antitumor properties as a natural product while the related mechanisms remain unclear. Toll-like receptor (TLR) signaling is associated with inflammatory activity of aneurysm and may be affected by miR-29b. Thus, inhibitory function of AOS on aneurysms was explored by measuring the important molecules in TLR4 signaling. After EVAR, a total of 248 aortic aneurysm patients were recruited and randomly assigned into two groups: AOS group (AG, oral administration 10-mg AOS daily) and control group (CG, placebo daily)...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28919488/mast-cells-derived-from-human-induced-pluripotent-stem-cells-are-useful-for-allergen-tests
#4
Akira Igarashi, Yasuhiro Ebihara, Tomoaki Kumagai, Hiroyuki Hirai, Kinya Nagata, Kohichiro Tsuji
BACKGROUND: Several methods have been developed to detect allergen-specific IgE in sera. The passive IgE sensitization assay using human IgE receptor-expressing rat cell line RBL-2H3 is a powerful tool to detect biologically active allergen-specific IgE in serum samples. However, one disadvantage is that RBL-2H3 cells are vulnerable to high concentrations of human sera. Only a few human cultured cell lines are easily applicable to the passive IgE sensitization assay. However, the use of human induced pluripotent stem cells (iPSCs) to generate human mast cells (MCs) has not yet been reported...
September 14, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28915576/hepatic-b-cell-leukemia-3-suppresses-chemically-induced-hepatocarcinogenesis-in-mice-through-altered-mapk-and-nf-%C3%AE%C2%BAb-activation
#5
Nadine Gehrke, Marcus A Wörns, Amrit Mann, Yvonne Huber, Nadine Hoevelmeyer, Thomas Longerich, Ari Waisman, Peter R Galle, Jörn M Schattenberg
The transcriptional nuclear factor kappa B (NF-κB)-coactivator B cell leukemia-3 (Bcl-3) is a molecular regulator of cell death and proliferation. Bcl-3 has been shown to be widely expressed in different cancer types including hepatocellular carcinoma (HCC). Its influence on hepatocarcinogenesis is still undetermined. To examine the role of Bcl-3 in hepatocarcinogenesis mice with hepatocyte-specific overexpression of Bcl-3 (Bcl-3(Hep)) were exposed to diethylnitrosamine (DEN) and phenobarbital (PB). Hepatic Bcl-3 overexpression attenuated DEN/PB-induced hepatocarcinogenesis...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915539/astaxanthin-alleviated-acute-lung-injury-by-inhibiting-oxidative-nitrative-stress-and-the-inflammatory-response-in-mice
#6
Jianbin Bi, Ruixia Cui, Zeyu Li, Chang Liu, Jingyao Zhang
The purpose of the present study was to assess the effect of astaxanthin (ASX) treatment on the acute lung injury (ALI) induced by cecal ligation and puncture (CLP) in mice. Mice were randomly allocated into the following groups: (1) the saline control group, in which mice were given saline before sham operation; (2) the ASX control group, in which mice received ASX before sham operation; (3) the ALI group, in which mice were given saline before CLP operation; and (4) the ALI+ASX group, in which mice received ASX before CLP operation...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28912644/tlr5-activation-through-nf-%C3%AE%C2%BAb-is-a-neuroprotective-mechanism-of-postconditioning-after-cerebral-ischemia-in-mice
#7
Jaewon Jeong, Soojin Kim, Da-Sol Lim, Seo-Hea Kim, Heeju Doh, So-Dam Kim, Yun Seon Song
Postconditioning has been shown to protect the mouse brain from ischemic injury. However, the neuroprotective mechanisms of postconditioning remain elusive. We have found that toll-like receptor 5 (TLR5) plays an integral role in postconditioning-induced neuroprotection through Akt/nuclear factor kappa B (NF-κB) activation in cerebral ischemia. Compared to animals that received 30 min of transient middle cerebral artery occlusion (tMCAO) group, animals that also underwent postconditioning showed a significant reduction of up to 60...
August 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/28911610/myrciaria-cauliflora-extract-improves-diabetic-nephropathy-via-suppression-of-oxidative-stress-and-inflammation-in-streptozotocin-nicotinamide-mice
#8
Jeng-Dong Hsu, Chia-Chun Wu, Chi-Nan Hung, Chau-Jong Wang, Hui-Pei Huang
Myrciaria cauliflora is a functional food rich in anthocyanins, possessing antioxidative and anti-inflammatory properties. Our previous results demonstrated M. cauliflora extract (MCE) had beneficial effects in diabetic nephropathy (DN) and via the inhibition of Ras/PI3K/Akt and kidney fibrosis-related proteins. The purpose of this study was to assess the benefit of MCE in diabetes associated with kidney inflammation and glycemic regulation in streptozotocin-nicotinamide (STZ/NA)-induced diabetic mice. Compared with the untreated diabetic group, MCE significantly improved blood glucose and serum biochemical characteristic levels...
October 2016: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911210/a20-an-essential-component-of-the-ubiquitin-editing-protein-complex-is-a-negative-regulator-of-inflammation-in-human-myometrium-and-foetal-membranes
#9
Martha Lappas
STUDY QUESTION: Does A20 regulate mediators involved in the terminal processes of human labour in primary myometrial and amnion cells? SUMMARY ANSWER: A20 is a nuclear factor-kappa B (NF-κB) responsive gene that acts as a negative regulator of NF-κB-induced expression of pro-labour mediators. WHAT IS KNOWN ALREADY: Inflammation is commonly implicated in spontaneous preterm birth and the processes involved in rupture of foetal membranes and uterine contractions...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28911036/high-fat-diet-induced-obesity-upregulates-the-expression-of-lymphoid-chemokines-and-promotes-the-formation-of-gastric-lymphoid-follicles-after-helicobacter-suis-infection
#10
Wen-Jun Zhao, Zi-Bin Tian, Shan-Shan Yao, Ya-Nan Yu, Cui-Ping Zhang, Xiao-Yu Li, Tao Mao, Xue Jing, Xue-Li Ding, Ruo-Ming Yang, Ya-Qian Liu, Shuai-Qing Zhang, Lin Yang
Helicobacter suis colonizes the stomachs of a variety of animals, including humans, and is more likely than other Helicobacter species to induce gastric mucosa-associated lymphoid tissue lymphoma. Obesity is a low-grade chronic inflammatory state in which the induction of a chemokine network contributes to a variety of diseases. However, the effect of obesity on the development of gastric MALT in the presence of H. suis infection remains unclear. Here, we reveal that high-fat-diet-induced obesity upregulates the expression of lymphoid chemokines in the stomach and accelerates the H...
November 30, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28910180/nrf2-mediated-ho-1-induction-and-antineuroinflammatory-activities-of-halleridone
#11
Ji Yeon Seo, Euisun Pyo, Junsoo Park, Jong-Sang Kim, Sang Hyun Sung, Won Keun Oh
Nuclear factor E2-related factor 2 (Nrf2) is the master regulator of antioxidant enzymes and is known to act on the nuclear factor kappa-light-chain-enhancer of activated B cell (NF-κB) signaling pathway. Few studies have examined the bioactivity of halleridone. Herein, we investigated whether halleridone, which was isolated from the stems of the plant Cornus walteri, could regulate Nrf2-mediated heme oxygenase (HO)-1 expression and prevent intramicroglial inflammation induced by amyloid beta (Aβ)1-42 overexpression...
September 14, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28906110/anti-in%C3%AF-ammatory-effect-of-essential-oil-from-citrus-aurantium-l-var-amara-engl
#12
Chun-Yan Shen, Jian-Guo Jiang, Qin Ou-Yang, Wei Zhu
Essential oil has been popularly used as an alternative for the treatment of inflammation. The bioactivities of essential oil from blossoms of Citrus aurantium L. var. amara Engl (CAVAO) showed greater anti-inflammation potential than that of antioxidant, anticancer, and 3T3-L1 proliferation inhibition. CAVAO (250 μg/mL) significantly inhibited production of nitric oxide (NO) (99.54%±2.81), interleukin-6 (IL-6) (98.11%±1.62), tumor necrosis factor-alpha (TNF-α) (41.84%±1.52) and interleukin-1beta (IL-1β) (56...
September 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28900035/prion-protein-is-required-for-tumor-necrosis-factor-alpha-tnf%C3%AE-triggered-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-signaling-and-cytokine-production
#13
Gui-Ru Wu, Tian-Chen Mu, Zhen-Xing Gao, Jun Wang, Man-Sun Sy, Chao-yang Li
The expression of normal cellular prion protein (PrP) is required for the pathogenesis of prion diseases. However, the physiological functions of PrP remain ambiguous. Here, we identified PrP as being critical for tumor necrosis factor (TNF)α-triggered signaling in a human melanoma cell line, M2, and a pancreatic ductal cell adenocarcinoma cell line, BxPC-3. In M2 cells, TNFα upregulates the expression of p-I-kappa-B-kinase α/β (p-IKKα/β), p-p65, and p-JNK, but downregulates the IκBα protein, all of which are downstream signaling intermediates in the TNF receptor signaling cascade...
September 12, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28898768/immune-enhancing-effects-of-polysaccharides-extracted-from-lilium-lancifolium-thunb
#14
REVIEW
Guifang Pan, Zhongwen Xie, Shixia Huang, Yuling Tai, Qingshuang Cai, Wei Jiang, Jiameng Sun, Yi Yuan
Lilium lancifolium Thunb. is a Chinese traditional plant with various health benefits. In this study, we purified and characterized the water-soluble polysaccharide fraction (LLP-1A) of L. lancifolium. We also investigated the in vitro immune-enhancing activity of LLP-1A in macrophages and the underlying molecular mechanism. Results showed that LLP-1A was mainly composed of mannose and glucose at a molar ratio of 1.77:1, and its molecular weight was approximately 78.61kDa. The Fourier transform-infrared spectra of LLP-1A also revealed typical polysaccharide characteristics: the presence of uronic acid, pyranose rings and β-glycosidic bonds...
September 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28898534/proteomic-analysis-of-the-secretome-of-porcine-alveolar-macrophages-infected-with-porcine-reproductive-and-respiratory-syndrome-virus
#15
Yuming Li, Zhuanchang Wu, Ke Liu, Pengfei Qi, Jinpeng Xu, Jianchao Wei, Beibei Li, Donghua Shao, Yuanyuan Shi, Yafeng Qiu, Zhiyong Ma
Porcine reproductive and respiratory syndrome virus (PRRSV) causes porcine reproductive and respiratory syndrome, which is characterized by reproductive failure and respiratory disorders. The secretome of PRRSV-infected porcine alveolar macrophages (PAMs), which are the primary target cells of PRRSV, was analyzed by label-free quantitative proteomics to gain a profile of proteins secreted during PRRSV infection. A total of 95 secreted proteins with differentially expressed levels between PRRSV- and mock-infected PAMs was screened...
September 12, 2017: Proteomics
https://www.readbyqxmd.com/read/28898431/anti-inflammatory-and-anti-oxidant-properties-of-schisandrin-c-promote-mitochondrial-biogenesis-in-human-dental-pulp-cells
#16
J S Takanche, Y-H Lee, J-S Kim, J-E Kim, S-H Han, S-W Lee, H-K Yi
AIM: To examine the properties of Schisandrin C as an anti-inflammatory and anti-oxidant compound, and whether its characteristics promote mitochondrial biogenesis in human dental pulp cells (HDPCs). METHODOLOGY: HDPCs were extracted from fresh third molars and cultured for experiments. Reactive oxidative stress (ROS) and nitric oxide (NO) formation were analyzed by a Muse cell analyzer. Western blotting and gelatin zymography were used to identify the presence of anti-oxidants, as well as anti-inflammatory and mitochondrial biogenesis with specific antibody...
September 12, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28892675/alkynyl-gold-i-complex-triggers-necroptosis-via-ros-generation-in-colorectal-carcinoma-cells
#17
Inés Mármol, María Virumbrales-Muñoz, Javier Quero, Cristina Sánchez-de-Diego, Luis Fernández, Ignacio Ochoa, Elena Cerrada, Mª Jesús Rodríguez Yoldi
Given the rise of apoptosis-resistant tumors, there exist a growing interest in developing new drugs capable of inducing different types of cell death to reduce colorectal cancer-related death rates. As apoptosis and necroptosis do not share cellular machinery, necroptosis induction may have a great therapeutic potential on those apoptosis-resistant cancers, despite the inflammatory effects associated with it. We have synthesized an alkynyl gold(I) complex [Au(CC-2-NC5H4)(PTA)] whose anticancer effect was tested on the colorectal adenocarcinoma Caco-2 cell line...
August 31, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28891983/protective-effects-of-ethanolic-extracts-from-artichoke-an-edible-herbal-medicine-against-acute-alcohol-induced-liver-injury-in-mice
#18
Xuchong Tang, Ruofan Wei, Aihua Deng, Tingping Lei
Oxidative stress and inflammation are well-documented pathological factors in alcoholic liver disease (ALD). Artichoke (Cynara scolymus L.) is a healthy food and folk medicine with anti-oxidative and anti-inflammatory properties. This study aimed to evaluate the preventive effects of ethanolic extract from artichoke against acute alcohol-induced liver injury in mice. Male Institute of Cancer Research mice were treated with an ethanolic extract of artichoke (0.4, 0.8, and 1.6 g/kg body weight) by gavage once daily...
September 11, 2017: Nutrients
https://www.readbyqxmd.com/read/28887111/impairment-of-gill-structural-integrity-by-manganese-deficiency-or-excess-related-to-induction-of-oxidative-damage-apoptosis-and-dysfunction-of-the-physical-barrier-as-regulated-by-nf-%C3%AE%C2%BAb-caspase-and-nrf2-signaling-in-fish
#19
Wei-Dan Jiang, Ren-Jun Tang, Yang Liu, Pei Wu, Sheng-Yao Kuang, Jun Jiang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study is for the first time to explore the possible effects of dietary manganese (Mn) on structural integrity and the related signaling in the gills of fish. Grass carp (Ctenopharyngodon idella) were fed with six diets containing graded levels of Mn [3.65-27.86 mg Mn/kg diet] for 8 weeks. The results firstly demonstrated that Mn deficiency aggravated inflammation indicated by up-regulation of pro-inflammatory cytokines (tumour necrosis factor α, interleukin 8, and interleukin 1β mRNA levels) and down-regulation of anti-inflammatory cytokines (interleukin 10, transforming growth factor-β1) mRNA levels, which might be partially related to the up-regulation of nuclear factor kappa B (NF-κB p65) and down-regulation of nuclear inhibitor factor κBα (iκBα) mRNA levels in the gills of fish...
September 6, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28885545/trim44-is-a-poor-prognostic-factor-for-breast-cancer-patients-as-a-modulator-of-nf-%C3%AE%C2%BAb-signaling
#20
Hidetaka Kawabata, Kotaro Azuma, Kazuhiro Ikeda, Ikuko Sugitani, Keiichi Kinowaki, Takeshi Fujii, Akihiko Osaki, Toshiaki Saeki, Kuniko Horie-Inoue, Satoshi Inoue
Many of the tripartite motif (TRIM) proteins function as E3 ubiquitin ligases and are assumed to be involved in various events, including oncogenesis. In regard to tripartite motif-containing 44 (TRIM44), which is an atypical TRIM family protein lacking the RING finger domain, its pathophysiological significance in breast cancer remains unknown. We performed an immunohistochemical study of TRIM44 protein in clinical breast cancer tissues from 129 patients. The pathophysiological role of TRIM44 in breast cancer was assessed by modulating TRIM44 expression in MCF-7 and MDA-MB-231 breast cancer cells...
September 8, 2017: International Journal of Molecular Sciences
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