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https://www.readbyqxmd.com/read/29168064/adipose-tissue-inflammation-in-breast-cancer-survivors-effects-of-a-16-week-combined-aerobic-and-resistance-exercise-training-intervention
#1
Christina M Dieli-Conwright, Jean-Hugues Parmentier, Nathalie Sami, Kyuwan Lee, Darcy Spicer, Wendy J Mack, Fred Sattler, Steven D Mittelman
PURPOSE: Obesity is a leading modifiable contributor to breast cancer mortality due to its association with increased recurrence and decreased overall survival rate. Obesity stimulates cancer progression through chronic, low-grade inflammation in white adipose tissue, leading to accumulation of adipose tissue macrophages (ATMs), in particular, the pro-inflammatory M1 phenotype macrophage. Exercise has been shown to reduce M1 ATMs and increase the more anti-inflammatory M2 ATMs in obese adults...
November 22, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29165098/effects-of-olive-oil-on-tnf-%C3%AE-and-il-6-in-humans-implication-in-obesity-and-frailty
#2
Nagendra Sastry Yarla, Angela Polito, Ilaria Peluso
BACKGROUND AND OBJECTIVE: Tumor necrosis factor-alpha (TNF)-α and interleukin (IL)-6 are important mediators of chronic low-grade systemic inflammation. The latter plays a central role in several obesity-related pathologies, such as diabetes, metabolic syndrome and cardiovascular diseases. Besides, these cytokines have been also implicated in geriatric and cancer-induced anorexia, cachexia, sarcopenia and frailty. Potential interventions for both obesity and frailty include dietary advice and nutraceuticals...
November 20, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29163785/tm5441-a-plasminogen-activator-inhibitor-1-inhibitor-protects-against-high-fat-diet-induced-non-alcoholic-fatty-liver-disease
#3
Seon Myeong Lee, Debra Dorotea, Inji Jung, Tetsuo Nakabayashi, Toshio Miyata, Hunjoo Ha
Recent evidences showed that elevation of plasminogen activator inhibitor 1 (PAI-1) was responsible in mediating obesity-induced non-alcoholic fatty liver disease (NAFLD) and metabolic disorders. Here, we investigated the effect of TM5441, an oral PAI-1 inhibitor that lacks of bleeding risk, on high-fat diet (HFD)-induced NAFLD. HFD-fed C57BL/6J mice was daily treated with 20 mg/kg TM5441. To examine the preventive effect, 10-week-treatment was started along with initiation of HFD; alternatively, 4-week-treatment was started in mice with glucose intolerance in the interventional strategy...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163489/ameliorating-amyloid-%C3%AE-fibrils-triggered-inflammation-via-curcumin-loaded-polymeric-nanoconstructs
#4
Andrea Ameruoso, Roberto Palomba, Anna Lisa Palange, Antonio Cervadoro, Aeju Lee, Daniele Di Mascolo, Paolo Decuzzi
Inflammation is a common hallmark in several diseases, including atherosclerosis, cancer, obesity, and neurodegeneration. In Alzheimer's disease (AD), growing evidence directly correlates neuronal damage with inflammation of myeloid brain cells, such as microglia. Here, polymeric nanoparticles were engineered and characterized for the delivery of anti-inflammatory molecules to macrophages stimulated via direct incubation with amyloid-β fibers. 200 nm spherical polymeric nanoconstructs (SPNs) and 1,000 nm discoidal polymeric nanoconstructs (DPNs) were synthesized using poly(lactic-co-glycolic acid) (PLGA), polyethylene glycol (PEG), and lipid chains as building blocks...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163027/mechanisms-of-osteoarthritic-pain-studies-in-humans-and-experimental-models
#5
REVIEW
Annett Eitner, Gunther O Hofmann, Hans-Georg Schaible
Pain due to osteoarthritis (OA) is one of the most frequent causes of chronic pain. However, the mechanisms of OA pain are poorly understood. This review addresses the mechanisms which are thought to be involved in OA pain, derived from studies on pain mechanisms in humans and in experimental models of OA. Three areas will be considered, namely local processes in the joint associated with OA pain, neuronal mechanisms involved in OA pain, and general factors which influence OA pain. Except the cartilage all structures of the joints are innervated by nociceptors...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29161088/mechanistic-basis-for-obesity-related-increases-in-ozone-induced-airway-hyperresponsiveness-in-mice
#6
Stephanie A Shore
Obesity is a risk factor for asthma, especially nonallergic asthma. Ozone, a common air pollutant, is a nonallergic asthma trigger. Importantly, ozone-induced decrements in lung function are greater in obese and overweight human subjects than in lean individuals. Obese mice also exhibit exaggerated pulmonary responses to ozone. Ozone causes greater increases in pulmonary resistance, in bronchoalveolar lavage neutrophils, and in airway hyperresponsiveness in obese than in lean mice. Our data indicate that IL-33 plays a role in mediating these events...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29152632/a-combination-of-quercetin-and-resveratrol-reduces-obesity-in-high-fat-diet-fed-rats-by-modulation-of-gut-microbiota
#7
Le Zhao, Qi Zhang, Weini Ma, Feng Tian, Hongyi Shen, Mingmei Zhou
Resveratrol and quercetin, widely found in foods and vegetables, are plant polyphenols reported to have a wide range of biological activities. Despite their limited bioavailabilities, both resveratrol and quercetin are known to exhibit anti-inflammation and anti-obesity effects. We hypothesized that gut microbiota may be a potential target for resveratrol and quercetin to prevent the development of obesity. The aim of this research was to confirm whether a combination of quercetin and resveratrol (CQR) could restore the gut microbiota dysbiosis induced by a high-fat diet (HFD)...
November 20, 2017: Food & Function
https://www.readbyqxmd.com/read/29152245/metabolic-syndrome-and-inflammation-in-adipose-tissue-occur-at-different-times-in-animals-submitted-to-a-high-sugar-fat-diet
#8
Fabiane Valentini Francisqueti, André Ferreira Nascimento, Igor Otávio Minatel, Marcos Correa Dias, Renata de Azevedo Melo Luvizotto, Carolina Berchieri-Ronchi, Ana Lúcia A Ferreira, Camila Renata Corrêa
Obesity is associated with low-grade inflammation, triggered in adipose tissue, which may occur due to an excess of SFA from the diet that can be recognised by Toll-like receptor-4. This condition is involved in the development of components of the metabolic syndrome associated with obesity, especially insulin resistance. The aim of the study was to evaluate the manifestation of the metabolic syndrome and adipose tissue inflammation as a function of the period of time in which rats were submitted to a high-sugar/fat diet (HSF)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29151595/high-fat-diet-consumption-differentially-affects-adipose-tissue-inflammation-and-adipocyte-size-in-obesity-prone-and-obesity-resistant-rats
#9
J M Poret, F Souza-Smith, S J Marcell, D A Gaudet, T H Tzeng, H D Braymer, L M Harrison-Bernard, S D Primeaux
BACKGROUND/OBJECTIVES: Expanding visceral adiposity is associated with increased inflammation and increased risk for developing obesity-related comorbidities. The goal of this study was to examine high fat diet (HFD)-induced differences in adipocyte size and cytokine/chemokine expression in visceral and subcutaneous adipose depots in obesity-prone (OP) and obesity-resistant (OR) rats. METHODS: OP and OR rats were fed either a low fat diet (LFD, 10% kilocalories from fat) or HFD (60% kilocalories from fat) for 7 weeks...
November 20, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29151077/weight-loss-dependent-and-independent-effects-of-moderate-calorie-restriction-on-endothelial-cell-markers-in-obesity
#10
K Korybalska, J Luczak, E Swora-Cwynar, A Kanikowska, N Czepulis, D Kanikowska, H Skalisz, A Breborowicz, M Grzymislawski, J Witowski
Endothelial cell dysfunction in obesity can be reduced by calorie restriction (CR), however it is unclear whether this benefit requires a concomitant weight loss or is it simply related to the reduced calorie intake per se. In our study serum was drawn from 41 obese women who were undergoing an 8-week dietary intervention with 15 - 30% energy deficit, and from 48 age- and sex-matched controls of normal weight. Serum was analysed for biomarkers of endothelial cell function, oxidative stress and inflammation...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29147443/4-nitroquinoline-1-oxide-induced-tongue-and-esophagus-carcinogenesis-in-obese-and-diabetic-tsod-mice
#11
Takuji Tanaka, Kunihiro Kawabata, Shigeyuki Sugie
Background: Obesity and diabetes mellitus are associated with lifestyle-related carcinogenesis. They are also risk factors of esophageal adenocarcinoma, but there are only a few reports on association between obesity/diabetes and development of squamous cell carcinoma in the oral cavity and esophagus. In this study, we therefore aimed to determine whether obesity and diabetes affect oral and esophageal carcinogenesis using model mice of obesity and diabetes, the Tsumura Suzuki obese diabetes (TSOD) and Tsumura Suzuki non-obesity (TSNO) control mice, which were treated with 4-nitroquinoline 1-oxide (4-NQO) to produce tongue and esophageal carcinomas...
August 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/29145717/ctrp9-regulates-growth-differentiation-and-apoptosis-in-human-keratinocytes-through-tgf%C3%AE-1-p38-dependent-pathway
#12
Tae Woo Jung, Hyung Sub Park, Geum Hee Choi, Daehwan Kim, Taeseung Lee
Impairment of wound healing is a common problem in individuals with diabetes. Adiponectin, an adipocyte-derived cytokine, has many beneficial effects on metabolic disorders such as diabetes, obesity, hypertension, and dyslipidemia. C1q/TNF-Related Protein 9 (CTRP9), the closest paralog of adiponectin, has been reported to have beneficial effects on wound healing. In the current study, we demonstrate that CTRP9 regulates growth, differentiation, and apoptosis of HaCaT human keratinocytes. We found that CTRP9 augmented expression of transforming growth factor beta 1 (TGFβ1) by transcription factor activator protein 1 (AP-1) binding activity and phosphorylation of p38 in a dosedependent manner...
November 16, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/29142617/acute-strenuous-exercise-induces-an-imbalance-on-histone-h4-acetylation-histone-deacetylase-2-and-increases-the-proinflammatory-profile-of-pbmc-of-obese-individuals
#13
Gilson P Dorneles, Maria Carolina R Boeira, Lucas L Schipper, Ivy R V Silva, Viviane R Elsner, Pedro Dal Lago, Alessandra Peres, Pedro R T Romão
This study evaluated the response of global histone H4 acetylation (H4ac), histone deacetylase 2 (HDAC2) activity, as well as the production of proinflammatory cytokines and monocyte phenotypes of lean and obese males after exercise. Ten lean and ten obese sedentary men were submitted to one session of strenuous exercise, and peripheral blood mononuclear cells (PBMC) were stimulated in vitro with lipopolysaccharide (LPS). Global H4ac levels, HDAC2 activity in PBMC, and IL-6, IL-8, and TNF-α production were analyzed...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138271/addressing-the-perfect-storm-biomarkers-in-obesity-and-pathophysiology-of-cardiometabolic-risk
#14
REVIEW
Krasimira Aleksandrova, Dariush Mozaffarian, Tobias Pischon
BACKGROUND: The worldwide rise of obesity has provoked intensified research to better understand its pathophysiology as a means for disease prevention. Several biomarkers that may reflect various pathophysiological pathways that link obesity and cardiometabolic diseases have been identified over the past decades. CONTENT: We summarize research evidence regarding the role of established and novel obesity-related biomarkers, focusing on recent epidemiological evidence for detrimental associations with cardiometabolic diseases including obesity-related cancer...
November 14, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/29130747/influence-of-storage-and-inter-and-intra-assay-variability-on-the-measurement-of-inflammatory-biomarkers-in-population-based-biobanking
#15
Robert P van Waateringe, Anneke C Muller Kobold, Jana V van Vliet-Ostaptchouk, Melanie M van der Klauw, Jan Koerts, Gabriele Anton, Annette Peters, Gerlinde Trischler, Kirsti Kvaløy, Marit Naess, Vibeke Videm, Kristian Hveem, Melanie Waldenberger, Wolfgang Koenig, Bruce H R Wolffenbuttel
BACKGROUND: In the present study, we examined the effect of sample storage on the reproducibility of several inflammatory biomarkers, including high-sensitivity C-reactive protein (hsCRP), high-sensitivity interleukin-6 (hsIL6), and high-sensitivity tumor necrosis factor alpha (hsTNFα). In addition, we assessed inter- and intra-assay variability between collaborating biobanks. METHODS: In total, 240 fasting plasma samples were obtained from the LifeLines biobank...
November 13, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/29129185/combined-use-of-high-doses-of-vasopressin-and-corticosteroids-in-a-patient-with-crohn-s-disease-with-refractory-septic-shock-after-intestinal-perforation-a-case-report
#16
Salvatore Notaro, Marcello Sorrentino, Aniello Ruocco, Annalisa Notaro, Antonio Corcione, Patrizia Murino, Eugenio Piscitelli, Marianna Tamborino
BACKGROUND: In this article, we present a clinical case of refractory septic shock resulting from intestinal perforation treated with high doses of vasopressin and hydrocortisone during emergency surgery. The use of such high doses of vasopressin for this type of shock is not described in the literature. CASE PRESENTATION: A 49-year-old white woman with grade III obesity, Crohn's disease, and an intestinal perforation presented with refractory septic shock. Initially, a low dose of vasopressin was used...
November 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29124887/association-between-metabolic-syndrome-and-gingival-inflammation-in-obese-children
#17
K Kâ, M-C Rousseau, S D Tran, M Henderson, B Nicolau
BACKGROUND AND OBJECTIVE: Our previous work showed a positive association between metabolic syndrome (MetS) and gingival crevicular fluid (GCF) tumour necrosis factor-alpha (TNF-α) in a sample of obese and non-obese children. However, whether this association persists among obese children is unknown. We aim to investigate the extent to which MetS is associated with GCF TNF-α level among obese children. METHODOLOGY: We performed a cross-sectional analysis using data from visit 1 of the QUebec Adipose and Lifestyle InvesTigation in Youth cohort...
November 10, 2017: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/29124251/trail-deletion-prevents-liver-but-not-adipose-tissue-inflammation-during-murine-diet-induced-obesity
#18
Petra Hirsova, Peggy Weng, Warda Salim, Steven F Bronk, Thomas S Griffith, Samar H Ibrahim, Gregory J Gores
Background & Aim: TNF-related apoptosis-inducing ligand (TRAIL) and its cognate receptor(s) are upregulated in human and murine nonalcoholic steatohepatitis (NASH). However, the consequence of this enhanced expression on NASH pathogenesis remains unclear. TRAIL may either accentuate liver injury by promoting hepatic steatosis and inflammation, or it may mitigate the disease process by improving systemic insulin resistance and averting hepatic fibrosis. Herein, we investigated the role of TRAIL in an obesity-induced murine model of NASH...
September 2017: Hepatol Commun
https://www.readbyqxmd.com/read/29123173/effect-of-vitamin-d-supplementation-on-inflammation-and-nuclear-factor-kappa-b-activity-in-overweight-obese-adults-a-randomized-placebo-controlled-trial
#19
Aya Mousa, Negar Naderpoor, Josphin Johnson, Karly Sourris, Maximilian P J de Courten, Kirsty Wilson, Robert Scragg, Magdalena Plebanski, Barbora de Courten
In-vitro studies suggest that vitamin D reduces inflammation by inhibiting nuclear factor kappa-B (NFκB) activity. Yet, no trials have examined the effects of vitamin D supplementation on NFκB activity in-vivo in humans. We conducted a double-blind randomized trial (RCT) examining effects of vitamin D supplementation on inflammatory markers and NFκB activity in peripheral blood mononuclear cells (PBMCs). Sixty-five overweight/obese, vitamin D-deficient (25-hydroxyvitamin D [25(OH)D] ≤ 50 nmol/L) adults were randomized to a single 100,000 IU bolus followed by 4,000 IU daily cholecalciferol or matching placebo for 16 weeks...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115082/genetic-contributions-to-childhood-obesity-association-of-candidate-gene-polymorphisms-and-overweight-obesity-in-korean-preschool-children
#20
Kee Hwan Yoo, Hyung Eun Yim, Eun Soo Bae, Young Sook Hong
This study was aimed to investigate the association of candidate gene polymorphisms and obesity or overweight in young Korean children. A total of 190 Korean preschool children (96 control, 48 overweight, and 46 obese children) were genotyped for the angiotensin converting enzyme (ACE) insertion (I)/deletion (D), angiotensin II type 2 receptor (AT2) C3123A, transforming growth factor (TGF)-β1 T869C, vascular endothelial growth factor (VEGF) T460C, and tumor necrosis factor (TNF)-α G308A polymorphisms. No differences were found among the groups with respect to age, sex, birth weight, blood pressure levels, and serum concentrations of glucose and total cholesterol...
December 2017: Journal of Korean Medical Science
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