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https://www.readbyqxmd.com/read/28526609/effects-of-l-dopa-benserazide-co-treatment-on-colonic-excitatory-cholinergic-motility-and-enteric-inflammation-following-dopaminergic-nigrostriatal-neurodegeneration
#1
C Pellegrini, L Antonioli, R Colucci, E Tirotta, D Gentile, C Ippolito, C Segnani, G Levandis, S Cerri, R F Blandini, E Barocelli, V Ballabeni, N Bernardini, C Blandizzi, M Fornai
INTRODUCTION: The mainstay therapy for Parkinson's disease (PD) relies on L-3,4- dihydroxyphenylalanine (L-DOPA) plus a DOPA-decarboxylase inhibitor. However, their effects on colonic dysmotility and inflammation observed in PD are undetermined. This study examined the effects of L-DOPA plus benserazide (BE) on colonic motility and inflammation in rats with central nigrostriatal dopaminergic denervation. METHODS: Neurodegeneration was induced by 6-hydroxydopamine (6-OHDA) injection into the median forebrain bundle (MFB)...
May 16, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28526339/magnesium-isoglycyrrhizinate-blocks-fructose-induced-hepatic-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-activation-and-lipid-metabolism-disorder
#2
Xiao-Juan Zhao, Yan-Zi Yang, Yan-Jing Zheng, Shan-Chun Wang, Hong-Mei Gu, Ying Pan, Shui-Juan Wang, Hong-Jiang Xu, Ling-Dong Kong
Magnesium isoglycyrrhizinate as a hepatoprotective agent possesses immune modulation and anti-inflammation, and treats liver diseases. But its effects on immunological-inflammatory and metabolic profiles for metabolic syndrome with liver injury and underlying potential mechanisms are not fully understood. In this study, magnesium isoglycyrrhizinate alleviated liver inflammation and lipid accumulation in fructose-fed rats with metabolic syndrome. It also suppressed hepatic inflammatory signaling activation by reducing protein levels of phosphorylation of nuclear factor-kappa B p65 (p-NF-κB p65), inhibitor of nuclear factor kappa-B kinase α/β (p-IKKα/β) and inhibitor of NF-κB α (p-IκBα) as well as nucleotide-binding domain (NOD)-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein (ASC) and Caspase-1 in rats, being consistent with its reduction of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and IL-6 levels...
May 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28525945/the-protective-effect-of-luteolin-on-myocardial-ischemia-reperfusion-i-r-injury-through-tlr4-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-pathway
#3
Xu Zhang, Qianming Du, Yan Yang, Jianing Wang, Shuai Dou, Chao Liu, Junguo Duan
The purpose of the present study was to investigate the effect of Luteolin(Lut) on myocardial ischemia reperfusion injury and explore the underlying mechanism. Myocardial ischemia reperfusion injury (I/R) model was induced with 30min of left anterior descending (LAD) occlusion followed by 24h of reperfusion. In vivo, the rats were randomly divided into 5 groups: (1)Sham, (2)I/R, (3)I/R+Lut(40mg/kg), (4)I/R+Lut(80mg/kg) and (5)I/R+Lut(160mg/kg). In vitro, the H9c2 cells were assigned to five groups: (1)control, (2)hypoxia-reoxygenation(H/R), (3)H/R+Lut(5μM), (4)H/R+Lut(10μM) and (5)H/R+Lut(20μM)...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525378/irf5-is-elevated-in-childhood-onset-sle-and-regulated-by-histone-acetyltransferase-and-histone-deacetylase-inhibitors
#4
Jin Shu, Ling Li, Lan-Bo Zhou, Jun Qian, Zhi-Dan Fan, Li-Li Zhuang, Lu-Lu Wang, Rui Jin, Hai-Guo Yu, Guo-Ping Zhou
Interferon regulatory factor 5 (IRF5) plays a critical role in the induction of type I interferon, proinflammatory cytokines and chemokines, and participates in the pathogenesis of autoimmune diseases such as systemic lupus erythematosus (SLE). However, the relationship between IRF5 and childhood-onset SLE remains elusive. In the present study, we demonstrated that levels of mRNA expression of IRF5, IFN-α, and Sp1 were significantly increased in childhood-onset SLE, as seen on quantitative real-time PCR, and the expression of Sp1 and IFN-α was positively correlated with IRF5...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524642/polydatin-reduces-staphylococcus-aureus-lipoteichoic-acid-induced-injury-by-attenuating-reactive-oxygen-species-generation-and-tlr2-nf%C3%AE%C2%BAb-signalling
#5
Gan Zhao, Kangfeng Jiang, Haichong Wu, Changwei Qiu, Ganzhen Deng, Xiuli Peng
Staphylococcus aureus (S. aureus) causes severe inflammation in various infectious diseases, leading to high mortality. The clinical application of antibiotics has gained a significant curative effect. However, it has led to the emergence of various resistant bacteria. Therefore, in this study, we investigated the protective effect of polydatin (PD), a traditional Chinese medicine extract, on S. aureus lipoteichoic acid (LTA)-induced injury in vitro and in vivo. First, a significant improvement in the pathological conditions of PD in vivo was observed, suggesting that PD had a certain protective effect on LTA-induced injury in a mouse model...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524434/unaffected-reaction-level-in-tuberculin-skin-test-by-long-term-therapy-with-tumor-necrosis-factor-inhibitors-for-rheumatoid-arthritis
#6
Shotaro Yamamoto, Katsuya Nagatani, Takeo Sato, Masahiro Iwamoto, Shino Takatori, Seiji Minota
AIM: The tuberculin skin test (TST) is used to diagnose tuberculosis; however, the influence of tumor necrosis factor (TNF) inhibitors on the test is unclear. This study investigated whether therapy with TNF inhibitors suppresses the TST reaction due to immunosuppression or whether the TST reaction increases due to reactivation of latent Mycobacterium tuberculosis infection. METHOD: Ninety-one patients with rheumatoid arthritis receiving TNF inhibitors (40 using infliximab and 51 using etanercept) were studied...
May 19, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28522957/crohn-s-disease-and-smoldering-multiple-myeloma-a-case-report-and-literature-review
#7
So Young Park, Jae Min Kim, Hyun Joon Kang, Minje Kim, Jae Joon Han, Chi Hoon Maeng, Sun Kyung Baek, Hwi-Joong Yoon, Si-Young Kim, Hyo Jong Kim
Crohn's disease (CD) is a chronic inflammatory bowel disease (IBD) that presents with abdominal pain, weight loss, and diarrhea. Although the etiology has not been fully elucidated, both environmental and genetic causes are known to be involved. In chronic inflammatory conditions such as IBD, B lymphocytes are chronically stimulated, and they induce monoclonal expansion of plasma cells, sometimes resulting in monoclonal gammopathy of undetermined significance. Immunomodulators that are commonly used to control inflammation, such as tumor necrosis factor-α (TNF-α) blockers could increase the possibility of hematologic malignancy...
April 2017: Intestinal Research
https://www.readbyqxmd.com/read/28522807/traf3-enhances-tcr-signaling-by-regulating-the-inhibitors-csk-and-ptpn22
#8
Alicia M Wallis, Ellie C Wallace, Bruce S Hostager, Zuoan Yi, Jon C D Houtman, Gail A Bishop
The adaptor protein TNF receptor associated factor (TRAF) 3 is required for effective TCR signaling and normal T cell effector functions, and associates with the CD3/CD28 complex upon activation. To determine how TRAF3 promotes proximal TCR signaling, we studied TRAF3-deficient mouse and human T cells, which showed a marked reduction in activating phosphorylation of the TCR-associated kinase Lck. The impact of TRAF3 on this very early signaling event led to the hypothesis that TRAF3 restrains one or both of two known inhibitors of Lck, C-terminal Src kinase (Csk) and protein tyrosine phosphatase N22 (PTPN22)...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522451/ada2-deficiency-dada2-as-an-unrecognised-cause-of-early-onset-polyarteritis-nodosa-and-stroke-a-multicentre-national-study
#9
Roberta Caorsi, Federica Penco, Alice Grossi, Antonella Insalaco, Alessia Omenetti, Maria Alessio, Giovanni Conti, Federico Marchetti, Paolo Picco, Alberto Tommasini, Silvana Martino, Clara Malattia, Romina Gallizi, Rosa Anna Podda, Annalisa Salis, Fernanda Falcini, Francesca Schena, Francesca Garbarino, Alessia Morreale, Manuela Pardeo, Claudia Ventrici, Chiara Passarelli, Qing Zhou, Mariasavina Severino, Carlo Gandolfo, Gianluca Damonte, Alberto Martini, Angelo Ravelli, Ivona Aksentijevich, Isabella Ceccherini, Marco Gattorno
OBJECTIVES: To analyse the prevalence of CECR1 mutations in patients diagnosed with early onset livedo reticularis and/or haemorrhagic/ischaemic strokes in the context of inflammation or polyarteritis nodosa (PAN). Forty-eight patients from 43 families were included in the study. METHODS: Direct sequencing of CECR1 was performed by Sanger analysis. Adenosine deaminase 2 (ADA2) enzymatic activity was analysed in monocyte isolated from patients and healthy controls incubated with adenosine and with or without an ADA1 inhibitor...
May 18, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28522271/medroxyprogesterone-acetate-drives-m2-macrophage-differentiation-toward-a-phenotype-of-decidual-macrophage
#10
Yung-Chieh Tsai, Joseph T Tseng, Chia-Yih Wang, Mei-Tsz Su, Jyun-Yuan Huang, Pao-Lin Kuo
M1 macrophage differentiation plays a crucial role in enhanced inflammation during pregnancy, which may lead to pregnancy complications. Therefore, modulation of macrophage differentiation toward the M2 phenotype is desirable to ensure a successful pregnancy. Medroxyprogesterone acetate (MPA) is a potent progestin with an anti-inflammatory property, but its effect on macrophage differentiation is unknown. This study aimed to examine whether MPA can induce an M2 macrophage differentiation by using the human monocytes cell line THP-1 or primary monocytes...
May 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28522175/pharmacological-inhibition-of-soluble-epoxide-hydrolase-or-genetic-deletion-reduces-diclofenac-induced-gastric-ulcers
#11
Sumanta Kumar Goswami, Amelia Ann Rand, Debin Wan, Jun Yang, Bora Inceoglu, Melany Thomas, Christophe Morisseau, Guang-Yu Yang, Bruce D Hammock
AIMS: This research was conducted to evaluate the hypothesis that gastric ulcers caused by the NSAID diclofenac sodium (DCF) can be prevented by the soluble epoxide hydrolase inhibitor TPPU. MAIN METHODS: Mice were administered a single dose of 10, 30 or 100mg/kg of DCF. Once an ulcerative dose of DCF was chosen, mice were pretreated with TPPU for 7days at 0.1mg/kg to evaluate anti-ulcer effects of the sEH inhibitor on anatomy, histopathology, pH, inflammatory markers and epithelial apoptosis of stomachs...
May 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28521841/tnf-inhibitors-appear-to-inhibit-disease-progression-and-improve-outcome-in-takayasu-arteritis-an-observational-population-based-time-trend-study
#12
Birgir Gudbrandsson, Øyvind Molberg, Øyvind Palm
BACKGROUND: Magnetic resonance imaging (MRI) and computed tomography (CT) angiography have now largely replaced interventional angiography in the diagnoses and follow up of Takayasu arteritis (TAK) but data on the effects of this change of imaging method on diagnostic delay and vascular damage, and detailed data on the effect of different treatment regimens on the accumulation of vascular damage are missing. The aim of this study was to assess time trends in diagnostic delay, therapeutic approaches, arterial lesion accrual, persistent disease activity and remission rates in TAK...
May 18, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28521397/regulation-of-angiogenic-factors-by-the-pi3k-akt-pathway-in-a549-lung-cancer-cells-under-hypoxic-conditions
#13
Youbang Xie, Yali Qi, Yanmiao Zhang, Jiayi Chen, Tianyi Wu, Yuhai Gu
The aim of the present study was to investigate the influence of hypoxia and PI3K inhibition on angiogenic factors in A549 lung cancer cells. A549 cells were treated with the PI3K inhibitor LY294002 under normoxic and hypoxic conditions. Untreated cells were used as the control group and those treated by the inhibitor, as the suppression group. The cells were further divided based on normoxic or hypoxic conditions and named: Normoxic control group, normoxic suppression group, hypoxic control group and hypoxic suppression group...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521173/thymoquinone-ameliorates-renal-damage-in-unilateral-ureteral-obstruction-in-rats
#14
Sara Hosseinian, Abolfazl Khajavi Rad, Alireza Ebrahimzadeh Bideskan, Mohammad Soukhtanloo, Hamidreza Sadeghnia, Mohammad Naser Shafei, Fatemeh Motejadded, Reza Mohebbati, Samira Shahraki, Farimah Beheshti
BACKGROUND: It is well established that renin-angiotensin system (RAS) play a central role in pathophysiology of renal damage following unilateral ureteral obstruction (UUO). The present study investigated the effects of thymoquinone and RAS blockade on renal tissue damage and renal expression of angiotensin II after UUO in rats. METHODS: Forty male rats were divided to five groups: Sham-operated group, UUO group and rats with UUO treated with losartan, captopril and thymoquinone...
March 14, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28516249/-a-67-year-old-man-with-fever-night-sweat-and-ascites
#15
A Hiseni-Kamberi, W-D Maier, K Junker, M Argirov
A 67-year-old man presented with fever, night sweat and abdominal complaints for about 4 weeks. Ultrasound and a computed tomography scan showed distinct ascites as the main finding, presenting as exsudate with predominating lymphoid cells. Because of long-term immunosuppressive therapy with the tumor necrosis factor (TNF)-α inhibitor golimumab for psoriasis, the suspicion for a possible tuberculous peritonitis arose. This was confirmed with an enzyme-linked immunospot assay, a high level of adenosine deaminase in the ascites and a peritoneum which was studded with multiple whitish nodules, corresponding to granulomas with giant cells...
May 17, 2017: Der Internist
https://www.readbyqxmd.com/read/28514851/blood-brain-barrier-penetrating-biologic-tnf-%C3%AE-inhibitor-for-alzheimer-s-disease
#16
Rudy Chang, Jillian Knox, Jae Chang, Aram Derbedrossian, Vitaly Vasilevko, David Cribbs, Ruben J Boado, William M Pardridge, Rachita Sumbria
OBJECTIVE: Tumor necrosis factor alpha (TNF-α) driven processes are involved at multiple stages of Alzheimer's disease (AD) pathophysiology and disease progression. Biologic TNF-α inhibitors (TNFIs) are the most potent class of TNFIs but cannot be developed for AD since these macromolecules do not cross the blood-brain barrier (BBB). A BBB-penetrating TNFI was engineered by the fusion of the extracellular domain of the type II human TNF receptor (TNFR) to a chimeric monoclonal antibody (MAb) against the mouse transferrin receptor (TfR), designated as the cTfRMAb-TNFR fusion protein...
May 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28513976/gingerenone-a-attenuates-monocyte-endothelial-adhesion-via-suppression-of-i-kappa-b-kinase-phosphorylation
#17
Hee Joo Kim, Joe Eun Son, Jae Hwan Kim, Charles C Lee, Hee Yang, Soonham Sami Yaghmoor, Youssri Ahmed, Jehad Mustafa Yousef, Khalid Omer Abualnaja, Abdulrahman Labeed Al-Malki, Taha Abdullah Kumosani, Jung Han Yoon Park, Chang Yong Lee, Jong-Eun Kim, Ki Won Lee
During the early stages of atherosclerosis, monocytes bind and migrate into the endothelial layer, promoting inflammation within the aorta. In order to prevent the development of atherosclerosis, it is critical to inhibit such inflammation. The therapeutic effects of ginger have been investigated in several models of cardiovascular disease. However, although a number of previous studies have focused on specific compounds, the mechanisms of action responsible remain unclear. Here, we investigated five major compounds present in ginger, and observed that gingerenone A exhibited the strongest inhibitory effects against tumor necrosis factor (TNF)- α and lipopolysaccharide (LPS) induced monocyte-endothelial adhesion...
May 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28513772/etanercept-protects-rat-cardiomyocytes-against-hypertrophy-by-regulating-inflammatory-cytokines-secretion-and-cell-apoptosis
#18
Q Li, Q Yu, R Na, B Liu
We aimed to investigate the effect of etanercept, a tumor necrosis factor-α (TNF-α) inhibitor, on rat cardiomyocyte hypertrophy and its underlying mechanism. Primary neonatal rat cardiomyocytes were isolated from Sprague-Dawley rats. The model of rat cardiomyocyte hypertrophy was induced by endothelin, and then treated with different concentrations of etanercept (1, 10, and 50 μM). After treatment, cell counts, viability and cell apoptosis were evaluated. The mRNA levels of myocardial hypertrophy marker genes, including atrial natriuretic factor (ANF), matrix metalloproteinase (MMP)-9 and MMP-13, were detected by qRT-PCR, and the expressions of apoptosis-related proteins (Bcl-2 and Bax) were measured by western blotting...
May 15, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28512854/mogroside-iiie-attenuates-lps-induced-acute-lung-injury-in-mice-partly-through-regulation-of-the-tlr4-mapk-nf-%C3%AE%C2%BAb-axis-via-ampk-activation
#19
Lijun Tao, Fengyan Cao, Gonghao Xu, Haifeng Xie, Mian Zhang, Chaofeng Zhang
Acute lung injury (ALI) often leads to high mortality, and there is as yet no effective drug treatment. The present study aimed to investigate protective effects of mogroside IIIE (MGIIIE, a cucurbitane-type triterpenoid from Siraitia grosvenorii Fruits) in experimental ALI and its underlying mechanism. MGIIIE (1, 10 0r 20 mg/kg) was orally administered for 1 h before a single intratracheal administration of lipopolysaccharide (LPS, 5 mg/kg). MGIIIE treatment dose-dependently suppressed pulmonary oedema, pro-inflammatory mediators (IL-1β, IL-6, TNF-α and HMGB1) release and higher MPO activity in lung tissues induced by LPS challenge...
May 17, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28512001/low-dose-inflammatory-potential-of-silica-particles-in-human-derived-thp-1-macrophage-cell-culture-studies-mechanism-and-effects-of-particle-size-and-iron
#20
Premshekharan Gayatri, Hongqiao Zhang, Kennedy Nguyen, Henry Jay Forman, Valerie Jean Leppert
Silica and iron are major constituents in ambient particulate matter, and iron is a common impurity in many engineered nanomaterials. The purpose of this work was to determine the pro-inflammatory and other biological effects and mechanism of particle size and iron presence under low dose, non-cytotoxic conditions that are likely to approximate actual exposure levels, in contrast with higher dose studies in which cytotoxicity occurs. Specifically, human-derived THP-1 macrophages were exposed to 1 μg/ml of pristine and iron-coated 50 nm and 2 μm engineered silica nanoparticles...
May 13, 2017: Chemico-biological Interactions
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