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https://www.readbyqxmd.com/read/28810537/cilostazol-protects-mice-against-myocardium-ischemic-reperfusion-injury-by-activating-a-ppar%C3%AE-jak2-stat3-pathway
#1
Jiangjin Li, Xiaoli Xiang, Xiaoxuan Gong, Yafei Shi, Jing Yang, Zuo Xu
Myocardial ischemia/reperfusion (MIR) injury causes severe arrhythmias and a high lethality. The present study is designed to investigate the effect of cilostazol on MIR injury and the underlying mechaism. We measured the effects of cilostazol on heart function parameters in a mouse model of MIR. Proinflammatory cytokines and apoptosis proteins in the myocardium were examined to investigate the anti-inflammatory and anti-apoptosis ability of cilostazol. The participation of PPARγ/JAK2/STAT3 pathway was investigated...
August 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28770700/detection-of-necroptosis-in-ligand-mediated-and-hypoxia-induced-injury-of-hepatocytes-using-a-novel-optic-probe-detecting-receptor-interacting-protein-rip-1-rip3-binding
#2
Sanae Haga, Akira Kanno, Takeaki Ozawa, Naoki Morita, Mami Asano, Michitaka Ozaki
Liver injury is often observed in various pathological conditions including posthepatectomy state and cancer chemotherapy. It occurs mainly as a consequence of the combined necrotic and apoptotic types of cell death. In order to study liver/hepatocyte injury by necrotic type of cell death, we studied signal-regulated necrosis (necroptosis) by newly developing an optic probe detecting receptor-interacting protein (RIP)1/RIP3 binding, an essential process for necroptosis induction. In the mouse hepatocyte cell line, TIB-73 cells, TNF-a/cycloheximide (T/C) induced RIP1/3 binding only when caspase activity was suppressed by z-VAD-fmk (zVAD), a caspase-specific inhibitor...
July 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28735823/comparison-of-remicade-to-curcumin-for-the-treatment-of-crohn-s-disease-a-systematic-review
#3
REVIEW
Allaire Schneider, Ivy Hossain, Julia VanderMolen, Kara Nicol
OBJECTIVE: The aim of this study was to review the literature to assess if there is evidence to support the use of Curcumin as a safe complementary therapy in treating Crohn's Disease (CD) in conjunction with Remicade. DESIGN: Systematic searches were performed by three researchers using electronic databases (ProQuest Medical Library, CINAHL Complete, and PUBMED) to locate and identify articles to meet a predetermined set of inclusion criteria. Specifically full text, peer-reviewed articles published after 2007 were included if they studied human participants 18 years or older...
August 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28735081/anti-inflammatory-activity-of-cecropin-a2-from-musca-domestica
#4
Rui-Yang Wei, Jie Bai, Meng-Fei Zhao, Bin Xu, Wen-Jia Li, Feng-Xian Wei, Yan-Yan Xi, Shao-Yu Li
This study aimed to investigate the anti-inflammatory activity of Musca domestica cecropin-A2 (Mdc-A2) toward Staphylococcus aureus (S. aureus) to learn more about their immunological functions. RAW264.7 cells were transfected with recombinant lentiviruses introduce pLEX-Mdc-A2into the RAW264.7 cell line (RAW-Mdc-A2). The RAW264.7 cell line with empty pLEX (RAW-pLEX) was produced in the same manner as a negative control. Real-time quantitative reverse transcription PCR (RT-PCR) was performed to analyze the mRNA expression of TNF-a, IL-1β, NFκB-1 and NFκB-2 in S...
July 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28730964/ccl2-is-modulated-by-cytokines-and-ppar-g-in-anaplastic-thyroid-cancer
#5
Silvia Martina Ferrari, Giusy Elia, Simona Piaggi, Enke Baldini, Salvatore Ulisse, Mario Miccoli, Gabriele Materazzi, Alessandro Antonelli, Poupak Fallahi
BACKGROUND AND OBJECTIVE: Chemokine (C-C motif) ligand (CCL)2, the prototype Th2 chemokine, is secreted by tumor cells, and has growth promoting effects. Whether CCL2 protumorigenic activities will be validated, then CCL2 and its receptor CCR2 may be therapeutic targets in cancer. METHODS: We tested in "primary human anaplastic thyroid carcinoma (ATC) cells" (ANA) versus "normal thyroid follicular cells" (TFC): a) CCL2 secretion basally, after IFN-g and/or TNF-a stimulation; b) PPARg activation by thiazolidinediones (TZDs), rosiglitazone or pioglitazone, on CCL2 secretion, and on proliferation and apoptosis in ANA...
July 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28723885/term-versus-preterm-cord-blood-cells-for-the-prevention-of-preterm-brain-injury
#6
Jingang Li, Tamara Yawno, Amy Sutherland, Jan Loose, Ilias Nitsos, Beth J Allison, Robert Bischof, Courtney A McDonald, Graham Jenkin, Suzanne L Miller
BACKGROUND: White matter brain injury in preterm infants can induce neurodevelopmental deficits. Umbilical cord blood (UCB) cells demonstrate neuroprotective properties, but it is unknown whether cells obtained from preterm versus term cord blood have similar efficacy. This study compared the ability of term cord blood (TCB) versus preterm cord blood (PCB) cells to reduce white matter injury in preterm fetal sheep. METHODS: Hypoxia-ischemia (HI) was induced in fetal sheep (0...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723753/tumor-necrosis-factor-alpha-238g-a-polymorphism-and-risk-of-breast-cancer-an-update-by-meta-analysis
#7
Qing Zhang, Guang Sheng Zhao, Xiao Lin Yuan, Xiao Huan Li, Zhen Yang, Yi Fen Cui, Qing Lin Guan, Xiu Yan Sun, Wan Shen, Tai An Xu, Qiu Shi Wang
BACKGROUND: The association between the tumor necrosis factor-alpha gene (TNF-a) -238G/A polymorphism and the breast cancer has been analyzed in several studies, but the results have been inconclusive. We then performed a meta-analysis to get a precise estimation of the association. METHODS: Eight case-control studies with a total of 37,257 cases and 39,564 controls were identified by searching the ISI Web of Knowledge database and the PubMed database up to August 2014...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28699601/role-of-tnf-%C3%AE-308g-a-gene-polymorphism-in-gastric-cancer-risk-a-case-control-study-and-meta-analysis
#8
Li Chuan Du, Ru Gao
BACKGROUND/AIMS: In the Chinese population, gastric cancer (GC) is ranked as the third most common type of cancer. Although the exact etiology of GC development is unclear, several factors, including genetic and environmental, have been identified as risk factors. Variations in cytokine genes and their receptors have been related to a higher risk of GC. A single nucleotide polymorphism in the promoter region of tumor necrosis factor-α (TNF-α) (-308G>A) has been associated with a higher risk of GC and in the present study we evaluated its possible association with GC in a Chinese cohort...
July 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28679471/postoperative-immune-response-and-surgical-stress-in-selective-neck-dissection-comparison-between-endoscopically-assisted-dissection-and-open-techniques-in-ct1-2n0-oral-squamous-cell-carcinoma
#9
Song Fan, Jiang-Long Zhong, Wei-Xiong Chen, Wei-Liang Chen, Qun-Xing Li, You-Yuan Wang, Zhao-Yu Lin, Han-Qing Zhang, Da-Ming Zhang, Xin Yu, Fa-Ya Liang, Xiao-Ming Huang, Eduardo Dias-Ribeiro, Yong Liu, Xiang-Hua Lin, Bin Zhou, Qi-Xiang Liang, Celso Koogi Sonoda, Jin-Song Li
BACKGROUND: Endoscopically assisted selective neck dissection (SND) has recently been applied in clinical N0 cases of oral squamous cell carcinoma (OSCC). However, nothing is known of the immune response after surgery. METHODS: A total of 60 patients with cT1-2N0 OSCC randomly underwent endoscopically assisted SND and open operations. The serum levels of IL-6, IL-8, IL-10, IL-1b, TNF-a, CRP, cortisol, ACTH, and growth hormone were analyzed before the start of the surgery (T0) and at 2 (T1), 6 (T2), 24 (T3), and 72 h (T4) after surgery...
December 7, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28666275/curcumin-protects-against-hepatic-ischemia-reperfusion-induced-injury-through-inhibiting-tlr4-nf-%C3%AE%C2%BAb-pathway
#10
Lu Wang, Ning Li, Dongdong Lin, Yunjin Zang
The TLR4/NF-κB pathway had important roles in hepatic ischemia/reperfusion (I/R) injury. In this study, we reported a protective effect of curcumin against hepatic I/R injury via TLR4/NF-κB pathway. Curcumin significantly inhibited cell apoptosis, and decreased levels of LDH and production of TNF-a, IL-1b, and IL-6 in the cell supernatant. In addition, curcumin ameliorated elevated TLR4 and NF-κB caused by hypoxia/reoxygenation stimulation in BRL-3A cells. In vivo assays revealed that curcumin reduce levels of ALT and AST, and reversed TLR4/NF-κB signaling pathway caused by hepatic I/R stimulation in liver tissues...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28646583/sebum-lipids-influence-macrophage-polarization-and-activation
#11
M Lovászi, M Mattii, K Eyerich, Attila Gácsi, Erzsébet Csányi, D Kovács, R Rühl, A Szegedi, L Kemény, M Ståhle, C C Zouboulis, S Eyerich, D Törőcsik
BACKGROUND: As lipids are known to regulate macrophage functions it is reasonable to suppose that a sebocyte - macrophage axis mediated by sebum lipids may exist. OBJECTIVE: To investigate if sebocytes could contribute to the differentiation, polarization and function of macrophages with their secreted lipids. METHODS: Oil-red-O lipid staining and Raman spectroscopy were used to assess the dermal lipid content and penetration. Immunohistochemistry was used to analyse the macrophage subsets...
June 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28637883/niche-mediated-depletion-of-the-normal-hematopoietic-stem-cell-reservoir-by-flt3-itd-induced-myeloproliferation
#12
Adam J Mead, Wen Hao Neo, Nikolaos Barkas, Sahoko Matsuoka, Alice Giustacchini, Raffaella Facchini, Supat Thongjuea, Lauren Jamieson, Christopher A G Booth, Nicholas Fordham, Cristina Di Genua, Deborah Atkinson, Onima Chowdhury, Emmanouela Repapi, Nicki Gray, Shabnam Kharazi, Sally-Ann Clark, Tiphaine Bouriez, Petter Woll, Toshio Suda, Claus Nerlov, Sten Eirik W Jacobsen
Although previous studies suggested that the expression of FMS-like tyrosine kinase 3 (Flt3) initiates downstream of mouse hematopoietic stem cells (HSCs), FLT3 internal tandem duplications (FLT3 ITDs) have recently been suggested to intrinsically suppress HSCs. Herein, single-cell interrogation found Flt3 mRNA expression to be absent in the large majority of phenotypic HSCs, with a strong negative correlation between Flt3 and HSC-associated gene expression. Flt3-ITD knock-in mice showed reduced numbers of phenotypic HSCs, with an even more severe loss of long-term repopulating HSCs, likely reflecting the presence of non-HSCs within the phenotypic HSC compartment...
July 3, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28610918/cd155-blockade-improves-survival-in-experimental-sepsis-by-reversing-dendritic-cell-dysfunction
#13
Yan Meng, Zhenzhen Zhao, Wenzhong Zhu, Tao Yang, Xiaoming Deng, Rui Bao
Immunosuppression is involved in septic processes, and results in an inability to eradicate the primary infection as well as a propensity to acquire secondary infections. In the present study, we found that the expression of CD155 on dendritic cells (DCs) and TIGIT on T cells were strikingly increased in septic mice. Furthermore, anti-CD155 antibody treatment could improve survival rate in mouse sepsis models through deceasing bacterial burden in both blood and peritoneal lavage fluid. Meanwhile, CD155 blockade efficiently increased the expression of TNF-a, IL-6 and decreased the level of IL-10 in blood and peritoneal lavage fluid of septic mice...
August 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28595382/anti-inflammatory-properties-of-bifidobacterium-longum-expressing-human-manganese-superoxide-dismutase-using-the-tnbs-induced-rats-model-of-colitis
#14
Yajie Xie, Qing Guo, Shiyu Li, Mengge Liu, Qian Zhang, Zhenrui Xu, Hanxiao Sun
The chronic enteritis disease ulcerative colitis (UC) is a formidable opponent, and its etiology remains unclear. Current studies have shown that oxidative stress is closely related to the pathogenesis of inflammatory bowel disease. Antioxidant enzymes, such as manganese superoxide dismutase (MnSOD),have been deemed to exert an anti-inflammatory function. Normally, oral administration of MnSOD directly leads to an incapacitation because of poor penetration and stability. To address this problem, the probiotic Bifidobacterium longum (B...
June 8, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28592841/lipopolysaccharides-induced-inflammatory-responses-and-electrophysiological-dysfunctions-in-human-induced-pluripotent-stem-cell-derived-cardiomyocytes
#15
Gökhan Yücel, Zhihan Zhao, Ibrahim El-Battrawy, Huan Lan, Siegfried Lang, Xin Li, Fanis Buljubasic, Wolfram-Hubertus Zimmermann, Lukas Cyganek, Jochen Utikal, Ursula Ravens, Thomas Wieland, Martin Borggrefe, Xiao-Bo Zhou, Ibrahim Akin
Severe infections like sepsis lead frequently to cardiomyopathy. The mechanisms are unclear and an optimal therapy for septic cardiomyopathy still lacks. The aim of this study is to establish an endotoxin-induced inflammatory model using human induced pluripotent stem cell (hiPSC) derived cardiomyocytes (hiPSC-CMs) for mechanistic and therapeutic studies. hiPSC-CMs were treated by lipopolysaccharide (LPS) in different concentrations for different times. ELISA, FACS, qPCR, and patch-clamp techniques were used for the study...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28585218/lipotoxicity-in-obesity-benefit-of-olive-oil
#16
Saad Elias, Sbeit Wisam, Arraf Luai, Barhoum Massad, Assy Nimer
The clinical implication of Lipotoxicity in obesity derives primarily from its potential to progress to insulin resistance, endothelial dysfunction and atherosclerosis. Olive oil rich diet decrease accumulation of triglyceride in the liver, improved postprandial triglyceride levels, improve glucose and GLP-1 response in insulin resistant subjects, and up regulate GLUT-2 expression in the liver. The exact molecular mechanism is unknown but, decreasing NFkB activation, decreasing LDL oxidation and improving insulin resistance by less production of inflammatory cytokines (TNF-a, IL-6) and improvement of kinases JNK-mediated phosphorylation of IRS-1 are the principle mechanisms...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28579899/effects-of-the-rabdosia-rubescens-total-flavonoids-on-focal-cerebral-ischemia-reperfusion-model-in-rats
#17
Mingsan Miao, Xiaoli Yan, Lin Guo, Shuai Shao
The effect of the Rabdosia rubescens total flavonoids on focal cerebral ischemia reperfusion model in rats was observed. The model group, nimodipine group, cerebral collateral group, and large, medium and small dose group of the Rabdosia rubescens total flavonoids were administered with corresponding drugs but sham operation group and model group were administered the same volume of 0.5%CMC, 1 times a day, continuous administration of 7 d. After 1 h at 7 d to medicine, left incision in the middle of the neck of rats after anesthesia, we can firstly expose and isolate the left common carotid artery (CCA), and then expose external carotid artery (ECA) and internal carotid artery (ICA)...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28558971/fused-bi-heteroaryl-substituted-hydantoin-compounds-as-tace-inhibitors
#18
Ling Tong, Seong Heon Kim, Kristin Rosner, Wensheng Yu, Bandarpalle B Shankar, Lei Chen, Dansu Li, Chaoyang Dai, Vinay Girijavallabhan, Janeta Popovici-Muller, Liping Yang, Guowei Zhou, Aneta Kosinski, M Arshad Siddiqui, Neng-Yang Shih, Zhuyan Guo, Peter Orth, Shiying Chen, Daniel Lundell, Xiaoda Niu, Shelby Umland, Joseph A Kozlowski
We have identified a series of hydantoin-derived TNF-a converting enzyme (TACE) inhibitors containing a pendant fused bi-heteroaryl group, which demonstrate sub-nanomolar potency (Ki), excellent activity in human whole blood assay, and improved DMPK profiles over prior series.
May 22, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28525856/oleuropein-prevents-the-development-of-experimental-autoimmune-myocarditis-in-rats
#19
Jia-Ying Zhang, Zheng Yang, Kun Fang, Zhan-Li Shi, Dan-Hong Ren, Jing Sun
Oleuropein (OLE) is a natural secoiridoid that is derived from Olea europaea. OLE possesses cardioprotective effects in experimental models of hypertension, myocardial infarction, atherosclerosis and hyperlipidaemia. In the present study, the effects of OLE on experimental autoimmune myocarditis (EAM) were evaluated. EAM in rats were induced by subcutaneous injections of porcine cardiac myosin. Cardiac function parameters, myocardial pathology, myocardial inflammatory cell infiltration and nuclear factor kappa-B (NF-κB) expression were measured...
May 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28521806/high-density-lipoprotein-promoting-proliferation-and-migration-of-type-ii-alveolar-epithelial-cells-during-inflammation-state
#20
Zhongji Yu, Jingru Jin, Yuhui Wang, Jian Sun
BACKGROUND: To investigate the effect and mechanism of high density lipoprotein (HDL) on type II alveolar epithelial cells during inflammation state. METHODS: The original generation of type II alveolar epithelial cells were separated in rats and treated with PBS/LPS/HDL/HDL + LPS. To observe the proliferation and migration of type II alveolar epithelial cells with bromodeoxyuridine(BrdU) assay, transwell assay and wound healing experiments. In addition, western blot detected the expression of TP-binding cassette transporter A1 (ABCA1), cystic fibrosis transmembrane conductance regulator (CFTR) and the phosphorylation of AKT/extracellular signal-regulated kinase(ERK)/mitogen-activated protein kinase(MAPK)...
May 18, 2017: Lipids in Health and Disease
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