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Pro- inflammatory diet

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https://www.readbyqxmd.com/read/28645738/human-germline-hedgehog-pathway-mutations-predispose-to-fatty-liver
#1
Maria J Guillen Sacoto, Ariel F Martinez, Yu Abe, Paul Kruszka, Karin Weiss, Joshua L Everson, Ramon Bataller, David E Kleiner, Jerrold M Ward, Kathleen K Sulik, Robert J Lipinski, Benjamin D Solomon, Maximilian Muenke
BACKGROUND & AIMS: Non-alcoholic fatty liver disease (NAFLD) is the most common form of liver disease. Activation of hedgehog (Hh) signaling has been implicated in the progression of NAFLD and proposed as a therapeutic target; however, the effects of Hh signaling inhibition have not been studied in humans with germline mutations affecting this pathway. METHODS: Patients with holoprosencephaly (HPE), a disorder associated with germline mutations disrupting Sonic hedgehog (SHH) signaling, were clinically evaluated for NAFLD...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28645653/catalase-overexpression-modulates-metabolic-parameters-in-a-new-stress-less-leptin-deficient-mouse-model
#2
Deborah L Amos, Tanner Robinson, Melissa B Massie, Carla Cook, Alexis Hoffsted, Courtney Crain, Nalini Santanam
Oxidative stress plays a key role in obesity by modifying the function of important biological molecules, thus altering obesogenic pathways such as glucose and lipid signaling. Catalase, is an important endogenous antioxidant enzyme that catabolizes hydrogen peroxide produced by the dismutation of superoxide. Recent studies have shown knockdown of catalase exacerbates insulin resistance and leads to obesity. We hypothesized that overexpressing catalase in an obese mouse will modulate obesogenic pathways and protect against obesity...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28637783/paradoxical-suppression-of-atherosclerosis-in-the-absence-of-microrna-146a
#3
Henry S Cheng, Rickvinder Besla, Angela Li, Zhiqi Chen, Eric A Shikatani, Maliheh Nazari-Jahantigh, Adel Hammoutène, My-Anh Nguyen, Michele Geoffrion, Lei Cai, Nadiya Khyzha, Tong Li, Sonya A MacParland, Mansoor Husain, Myron I Cybulsky, Chantal M Boulanger, Ryan E Temel, Andreas Schober, Katey J Rayner, Clinton Robbins, Jason E Fish
Rationale: Inflammation is a key contributor to atherosclerosis. MicroRNA-146a (miR-146a) has been identified as a critical brake on pro-inflammatory NF-κB signalling in several cell types, including endothelial cells and bone marrow-derived cells. Importantly, miR-146a expression is elevated in human atherosclerotic plaques, and polymorphisms in the miR-146a pre-cursor have been associated with risk of coronary artery disease. Objective: To define the role of endogenous miR-146a during atherogenesis. Methods and Results: Paradoxically, Low-density lipoprotein receptor (Ldlr)(-/-) mice deficient in miR-146a develop less atherosclerosis, despite having highly elevated levels of circulating pro-inflammatory cytokines...
June 21, 2017: Circulation Research
https://www.readbyqxmd.com/read/28633943/diet-borne-systemic-inflammation-is-associated-with-prevalent-tooth%C3%A2-loss
#4
Georgios A Kotsakis, Vanessa Chrepa, Nitin Shivappa, Michael Wirth, James Hébert, Ai Koyanagi, Stefanos Tyrovolas
BACKGROUND & AIMS: The deleterious effect of cariogenic dietary patterns on tooth loss is well characterized, but the contribution of diet-borne systemic inflammation to loss of teeth remains uncharted. Recent efforts have unveiled a protective role of single nutrients to periodontal health. However, the assessment of overall diet as a modifiable risk factor for oral health remains elusive. Thus, the aim of this study was to assess the association between diet-borne systemic inflammation and tooth loss in a representative sample of the US adult non-institutionalized population...
June 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28632778/over-expressing-the-soluble-gp130-fc-does-not-ameliorate-methionine-and-choline-deficient-diet-induced-non-alcoholic-steatohepatitis-in-mice
#5
Helene L Kammoun, Tamara Louise Allen, Darren Colin Henstridge, Michael James Kraakman, Lone Peijs, Stefan Rose-John, Mark Anthony Febbraio
Non-alcoholic steatohepatitis (NASH) is a liver disease with the potential to lead to cirrhosis and hepatocellular carcinoma. Interleukin-6 (IL-6) has been implicated in the pathogenesis of NASH, with the so-called IL-6 'trans-signaling' cascade being responsible for the pro-inflammatory actions of this cytokine. We aimed to block IL-6 'trans-signaling', using a transgenic mouse that overexpresses human soluble glycoprotein130 (sgp130Fc Tg mice) fed a commonly used dietary model of inducing NASH (methionine and choline deficient-diet; MCD diet) and hypothesized that markers of NASH would be ameliorated in such mice...
2017: PloS One
https://www.readbyqxmd.com/read/28632197/toxic-age-tage-theory-for-the-pathophysiology-of-the-onset-progression-of-nafld-and-ald
#6
REVIEW
Masayoshi Takeuchi, Jun-Ichi Takino, Akiko Sakasai-Sakai, Takanobu Takata, Mikihiro Tsutsumi
Non-alcoholic fatty liver disease (NAFLD) and alcoholic liver disease (ALD) are among the most common causes of chronic liver diseases in the westernized world. NAFLD and ALD are frequently accompanied by extrahepatic complications, including hepatocellular carcinoma and cardiovascular diseases, which have a negative impact on patient survival. The chronic ingestion of an excessive daily diet containing sugar/high-fructose corn syrup increases the level of the fructose/glucose metabolite, glyceraldehyde (GA), while the chronic consumption of an excessive number of alcoholic beverages increases the level of the alcohol metabolite, acetaldehyde (AA) in the liver...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28631302/l-hcy-induced-cathepsin-v-mediates-the-vascular-endothelial-inflammation-in-hyperhomocysteinemia
#7
Yi-Ping Leng, Ye-Shuo Ma, Xiao-Gang Li, Rui-Fang Chen, Ping-Yu Zeng, Xiao-Hui Li, Cheng-Feng Qiu, Ya-Pei Li, Zhen Zhang, Alex F Chen
BACKGROUND AND PURPOSE: Vascular inflammation, including the expression of inflammatory cytokines in endothelial cells, plays a critical role in hyperhomocysteinemia-associated vascular diseases. Cathepsin V, specifically expressed in humans, is involved in vascular diseases through its elastolytic and collagenolytic activities. The aim of this study was to determine the effects of cathepsin V on the L-homocysteine (L-Hcy)-induced vascular inflammation. EXPERIMENTAL APPROACH: A high methionine diet-induced hyperhomocysteinemic mice model was used to assess the cathepsin V expression and vascular inflammation...
June 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28630461/antrodia-cinnamomea-reduces-obesity-and-modulates-the-gut-microbiota-in-high-fat-diet-fed-mice
#8
C-J Chang, C-C Lu, C-S Lin, J Martel, Y-F Ko, D M Ojcius, T-R Wu, Y-H Tsai, T-S Yeh, J-J Lu, H-C Lai, J D Young
BACKGROUND: Obesity is associated with gut microbiota dysbiosis, disrupted intestinal barrier and chronic inflammation. Given the high and increasing prevalence of obesity worldwide, anti-obesity treatments that are safe, effective and widely available would be beneficial. We examined whether the medicinal mushroom Antrodia cinnamomea may reduce obesity in mice fed with a high-fat diet (HFD). METHODS: Male C57BL/6J mice were fed a HFD for eight weeks to induce obesity and chronic inflammation...
June 20, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28629947/temporal-microbiota-changes-of-high-protein-diet-intake-in-a-rat-model
#9
Chunlong Mu, Yuxiang Yang, Zhen Luo, Weiyun Zhu
Alterations of specific microbes serve as important indicators that link gut health with specific diet intake. Although a six-week high-protein diet (45% protein) upregulates the pro-inflammatory response and oxidative stress in colon of rats, the dynamic alteration of gut microbiota remains unclear. To dissect temporal changes of microbiota, dynamic analyses of fecal microbiota were conducted using a rat model. Adult rats were fed a normal-protein diet or an HPD for 6 weeks, and feces collected at different weeks were used for microbiota and metabolite analysis...
June 16, 2017: Anaerobe
https://www.readbyqxmd.com/read/28627418/alterations-in-neuronal-control-of-body-weight-and-anxiety-behavior-by-glutathione-peroxidase-4-deficiency
#10
Sonja C Schriever, Annemarie Zimprich, Katrin Pfuhlmann, Peter Baumann, Florian Giesert, Valentina Klaus, Dhiraj G Kabra, Ulrich Hafen, Artem Romanov, Matthias H Tschöp, Wolfgang Wurst, Marcus Conrad, Sabine M Hölter, Daniela Vogt Weisenhorn, Paul T Pfluger
Elevated levels of oxidative stress and neuronal inflammation in the hypothalamus or ventral midbrain, respectively, represent common denominators for obesity and Parkinson's Disease (PD). However, little is known about defense mechanisms that protect neurons in these regions from oxidative damage. Here, we aimed to assess whether murine Gpx4, a crucial antioxidant enzyme that protects neurons from membrane damage and ferroptosis, is critical for the protection from neuronal inflammation in two distinct pathophysiologic diseases, namely metabolic dysfunction in diet-induced obesity or PD...
June 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28625152/lipid-oxidation-products-in-the-pathogenesis-of-inflammation-related-gut-diseases
#11
Barbara Sottero, Daniela Rossin, Giuseppe Poli, Fiorella Biasi
A defective mucosal barrier function is the principal cause of the uncontrolled onset and progression of a number of human inflammatory gut diseases, most of which are characterized by chronic intermittent immune and inflammatory responses leading to structural intestinal damage, which can represent a potential risk for colorectal cancer development. During the active disease phase the production of pro-inflammatory cytokines and chemokines, and the induction of oxidative reactions by activated leukocytes and epithelial cells represent the main event in intestinal inflammation...
June 19, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28623125/chronic-intermittent-hypoxia-induces-liver-fibrosis-in-mice-with-diet-induced-obesity-via-tlr4-myd88-mapk-nf-kb-signaling-pathways
#12
Hyeon Hui Kang, In Kyoung Kim, Hye In Lee, Hyonsoo Joo, Jeong Uk Lim, Jongmin Lee, Sang Haak Lee, Hwa Sik Moon
Obstructive sleep apnea (OSA) is associated with nonalcoholic fatty liver disease (NAFLD), and causes chronic intermittent hypoxia (CIH) during sleep. Inflammation is associated with the development of metabolic complications induced by CIH. Research suggests that innate immune mechanisms are involved in the pro-inflammatory pathways of liver fibrosis. The purpose of this study was to investigate whether innate immune responses induce liver fibrosis, and to evaluate mechanisms underlying hepatic inflammation related to CIH in a murine diet-induced obesity (DIO) model...
June 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28615649/andrographolide-ameliorates-inflammation-and-fibrogenesis-and-attenuates-inflammasome-activation-in-experimental-non-alcoholic-steatohepatitis
#13
Daniel Cabrera, Alexander Wree, Davide Povero, Nancy Solís, Alejandra Hernandez, Margarita Pizarro, Han Moshage, Javiera Torres, Ariel E Feldstein, Claudio Cabello-Verrugio, Enrique Brandan, Francisco Barrera, Juan Pablo Arab, Marco Arrese
Therapy for nonalcoholic steatohepatitis (NASH) is limited. Andrographolide (ANDRO), a botanical compound, has a potent anti-inflammatory activity due to its ability to inhibit NF-κB. ANDRO has been also shown to inhibit the NLRP3 inflammasome, a relevant pathway in NASH. Our aim was to evaluate the effects of ANDRO in NASH and its influence on inflammasome activation in this setting. Thus, mice were fed a choline-deficient-amino-acid-defined (CDAA) diet with/without concomitant ANDRO administration (1 mg/kg, 3-times/week)...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28601639/tofacitinib-ameliorates-atherosclerosis-and-reduces-foam-cell-formation-in-apoe-deficient-mice
#14
Zaicun Wang, Shumei Wang, Zunzhe Wang, Tiantian Yun, Chenchen Wang, Huating Wang
Atherosclerosis is a chronic inflammatory cardiovascular disease with high mortality worldwide. Tofacitinib (CP-690,550), an oral small-molecule Janus kinase inhibitor, has been shown to be effective in the treatment of rheumatoid arthritis, autoimmune encephalomyelitis and ulcerative colitis. However, its protective effect against atherosclerosis remains poorly understood. The aim of the present study was to evaluate the effects of Tofacitinib on atherogenic diet (ATD)-induced atherosclerosis using apolipoprotein E deficient (apoE-/-) mice...
June 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28596542/leukocyte-bim-deficiency-does-not-impact-atherogenesis-in-ldlr-mice-despite-a-pronounced-induction-of-autoimmune-inflammation
#15
Lieve Temmerman, Marijke M Westra, Ilze Bot, Bart J M van Vlijmen, Niek Van Bree, Martine Bot, Kim L L Habets, Tom G H Keulers, Johan van der Vlag, Thomas G Cotter, Theo J C van Berkel, Erik A L Biessen
Proapoptotic Bcl-2 family member Bim is particularly relevant for deletion of autoreactive and activated T and B cells, implicating Bim in autoimmunity. As atherosclerosis is a chronic inflammatory process with features of autoimmune disease, we investigated the impact of hematopoietic Bim deficiency on plaque formation and parameters of plaque stability. Bim (-/-) or wild type bone marrow transplanted ldlr (-/-) mice were fed a Western type diet (WTD) for 5 or 10 weeks, after which they were immunophenotyped and atherosclerotic lesions were analyzed...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28595079/curcumin-reduces-the-risk-of-chronic-kidney-damage-in-mice-with-nonalcoholic-steatohepatitis-by-modulating-endoplasmic-reticulum-stress-and-mapk-signaling
#16
Mst Rejina Afrin, Somasundaram Arumugam, Md Azizur Rahman, Vengadeshprabhu Karuppagounder, Meilei Harima, Hiroshi Suzuki, Shizuka Miyashita, Kenji Suzuki, Kazuyuki Ueno, Hiroyuki Yoneyama, Kenichi Watanabe
Developing confirmation recommends that in patients with dynamic type of NAFLD, particularly nonalcoholic steatohepatitis (NASH) may have the pathogenic parts in the advancement of kidney damage. In this study we have examined the impact of curcumin on NASH instigated chronic kidney damage (CKD) and the putative mechanisms. To prepare this NASH model, neonatal C57BL/6J male mice were exposed to low-dose streptozotocin (STZ) and were fed high-fat diet (HFD) at the age of 4weeks and continued up to 14weeks, curcumin was given at 100mg/kg dose by oral gavage daily after 10weeks of STZ injection and continued for 4weeks along with HFD feeding...
June 5, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28594849/high-sodium-diet-converts-renal-proteoglycans-into-pro-inflammatory-mediators-in-rats
#17
Ryanne S Hijmans, Pragyi Shrestha, Kwaku A Sarpong, Saleh Yazdani, Rana El Masri, Wilhelmina H A de Jong, Gerjan Navis, Romain R Vivès, Jacob van den Born
BACKGROUND: High dietary sodium aggravates renal disease by affecting blood pressure and by its recently shown pro-inflammatory and pro-fibrotic effects. Moreover, pro-inflammatory modification of renal heparan sulfate (HS) can induce tissue remodeling. We aim to investigate if high sodium intake in normotensive rats converts renal HS into a pro-inflammatory phenotype, able to bind more sodium and orchestrate inflammation, fibrosis and lymphangiogenesis. METHODS: Wistar rats received a normal diet for 4 weeks, or 8% NaCl diet for 2 or 4 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28587577/vitamin-k2-can-suppress-the-expression-of-toll-like-receptor-2-tlr2-and-tlr4-and-inhibit-calcification-of-aortic-intima-in-apoe-mice-as-well-as-smooth-muscle-cells
#18
Zhaojun Wang, Zhongqun Wang, Jie Zhu, Xinguang Long, Jinchuan Yan
Background and objectives Vascular calcification is a common complication in atherosclerosis. Accumulating evidence showed that Toll-like receptors (TLRs) mediate pro-inflammatory and atherosclerosis. Recent studies demonstrated that vascular calcification is one of the detrimental effects of vitamin K (Vit K) antagonists. However, the effects of Vit K on the expression of TLR2 and 4 and intimal calcification in artery remained unidentified. Methods and results Eighteen ApoE(-/-) mice were randomly divided into model group, Vit K-treated group, and control group...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28587122/anti-inflammatory-properties-of-brazilian-green-propolis-encapsulated-in-a-%C3%AE-cyclodextrin-complex-in-mice-fed-a-western-type-diet
#19
Gerald Rimbach, Alexandra Fischer, Anke Schloesser, Gerold Jerz, Naoko Ikuta, Yoshiyuki Ishida, Ryota Matsuzawa, Seiichi Matsugo, Patricia Huebbe, Keiji Terao
Ageing is often accompanied by chronic inflammation. A fat- and sugar-rich Western-type diet (WTD) may accelerate the ageing phenotype. Cell culture studies have indicated that artepillin C-containing Brazilian green propolis exhibits anti-inflammatory properties. However, little is known regarding its anti-inflammatory potential in mouse liver in vivo. In this study, female C57BL/6NRj wild-type mice were fed a WTD, a WTD supplemented with Brazilian green propolis supercritical extract (GPSE) encapsulated in γ-cyclodextrin (γCD) or a WTD plus γCD for 10 weeks...
May 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28585217/obesity-associated-breast-cancer-analysis-of-risk-factors
#20
Atilla Engin
Several studies show that a significantly stronger association is obvious between increased body mass index (BMI) and higher breast cancer incidence. Furthermore, obese women are at higher risk of all-cause and breast cancer specific mortality when compared to non-obese women with breast cancer. In this context, increased levels of estrogens due to excessive aromatization activity of the adipose tissue, overexpression of pro-inflammatory cytokines, insulin resistance, hyperactivation of insulin-like growth factors (IGFs) pathways, adipocyte-derived adipokines, hypercholesterolemia and excessive oxidative stress contribute to the development of breast cancer in obese women...
2017: Advances in Experimental Medicine and Biology
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