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IL-6 and obesity

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https://www.readbyqxmd.com/read/28547566/incidence-and-predictors-of-hypoglycemia-1-year-after-laparoscopic-sleeve-gastrectomy
#1
Anna Belligoli, Marta Sanna, Roberto Serra, Roberto Fabris, Chiara Dal Pra', Scilla Conci, Paola Fioretto, Luca Prevedello, Mirto Foletto, Roberto Vettor, Luca Busetto
INTRODUCTION: Hypoglycemia is a known adverse event following gastric bypass. The incidence of hypoglycemia after laparoscopic sleeve gastrectomy (LSG) is still under investigation. The aim of our study was to verify the presence of oral glucose tolerance test (OGTT)-related hypoglycemia after LSG and to identify any baseline predictors of its occurrence. METHODS: We analyzed 197 consecutive non-diabetic morbid obese patients that underwent LSG. All patients were studied before and 12 months after LSG...
May 25, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28544542/conditional-macrophage-depletion-increases-inflammation-and-does-not-inhibit-the-development-of-osteoarthritis-in-obese-mafia-mice
#2
Chia-Lung Wu, Jenna McNeill, Kelsey Goon, Dianne Little, Kelly Kimmerling, Janet Huebner, Virginia Kraus, Farshid Guilak
OBJECTIVE: Macrophages are believed to play a critical role in the inflammation associated with the development of osteoarthritis (OA) in obesity. The objective of the study was to investigate whether short-term, systemic depletion of macrophages would mitigate OA following injury in obese mice. METHODS: CSF-1R-GFP(+) Macrophage Fas-Induced Apoptosis (MaFIA) transgenic mice that allow conditional depletion of macrophages were placed on a high-fat diet and underwent surgery to induce knee OA...
May 23, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28539257/propranolol-treatment-lowers-blood-pressure-reduces-vascular-inflammatory-markers-and-improves-endothelial-function-in-obese-mice
#3
Nathalia da Silva Franco, Camila Lubaczeuski, Daniele M Guizoni, Jamaira A Victorio, Junia C Santos-Silva, Patricia C Brum, Everardo M Carneiro, Ana P Davel
Obesity-associated hypertension is accompanied by a number of cardiovascular risk factors including vascular insulin resistance (IR) and higher sympathetic nervous activity. Therefore, autonomic blockade was demonstrated to reverse hypertension, endothelial dysfunction and IR in obese individuals. We hypothesized that β-AR blockade with propranolol would restore endothelial function and vascular insulin signaling in obesity, associated with an anti-inflammatory effect. Body weight, systolic blood pressure (SBP), plasma biochemical parameters and aortic endothelial function were analyzed in mice fed standard diet (control group) or a high fat diet (HFD) that were treated with vehicle (water) or propranolol (10mg/kg/day) for 8 weeks...
May 21, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28535046/inhibitory-effect-of-piceatannol-on-tnf-%C3%AE-mediated-inflammation-and-insulin-resistance-in-3t3-l1-adipocytes
#4
Yanfang Li, Puyu Yang, Qimeng Chang, Jing Wang, Jie Liu, Yuan Lv, Thomas T Y Wang, Boyan Gao, Yaqiong Zhang, Liangli Lucy Yu
Piceatannol, a bioactive component in grapes and blueberry, was examined for its potential in decreasing the inflammatory activities in adipocytes using a co-cultured adipocytes and macrophages system, and suppressing TNF-α mediated inflammation and the related insulin resistance using a 3T3-L1 adipocytes model. Piceatannol treatment significantly reduced the release of inflammatory cytokines of TNF-α and MCP-1 in the co-cultured system and inhibited TNF-α induced expression of IL-6 and MCP-1 at both mRNA and protein levels in the 3T3-L1 adipocytes...
May 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28534168/father-s-obesity-programs-the-adipose-tissue-in-the-offspring-via-the-local-renin-angiotensin-system-and-mapks-pathways-especially-in-adult-male-mice
#5
Fernanda Ornellas, Isabele Bringhenti, Brenda Akemi N F Mattos, Carlos Alberto Mandarim-de-Lacerda, Marcia Barbosa Aguila
PURPOSE: Studies demonstrated the influence of mother's obesity on offspring. However, the father is also related to programming the future generation. The study aimed to evaluate the effects of father's obesity upon white adipose tissue (WAT) remodeling, resulting in activation of signaling pathways and inflammation in male and female offspring. METHODS: Male C57BL/6 mice received control diet (lean father group; 17% energy from lipids) or high-fat diet (obese father group; 49% energy from lipids) for 8 weeks before mating...
May 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28529534/the-role-of-a-dairy-fraction-rich-in-milk-fat-globule-membrane-in-the-suppression-of-postprandial-inflammatory-markers-and-bone-turnover-in-obese-and-overweight-adults-an-exploratory-study
#6
Tara S Rogers, Elieke Demmer, Nancy Rivera, Erik R Gertz, J Bruce German, Jennifer T Smilowitz, Angela M Zivkovic, Marta D Van Loan
BACKGROUND: Inflammation is associated with increased bone resorption; the role of inflammation in postprandial bone turnover has not been explored. Consumption of milk fat globule membrane (MFGM) reduces inflammation in animal models. This study aimed to measure postprandial changes in bone turnover after intake of high saturated fat test meals, with- and without the anti-inflammatory ingredient MFGM. METHODS: Subjects (n = 36 adults) were obese (BMI 30-39...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#7
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28515391/advanced-glycation-end-products-regulate-interleukin-1%C3%AE-production-in-human-placenta
#8
Kotomi Seno, Saoko Sase, Ayae Ozeki, Hironori Takahashi, Akihide Ohkuchi, Hirotada Suzuki, Shigeki Matsubara, Hisataka Iwata, Takehito Kuwayama, Koumei Shirasuna
Maternal obesity is a major risk factor for pregnancy complications, causing inflammatory cytokine release in the placenta, including interleukin-1β (IL-1β), IL-6, and IL-8. Pregnant women with obesity develop accelerated systemic and placental inflammation with elevated circulating advanced glycation end products (AGEs). IL-1β is a pivotal inflammatory cytokine associated with obesity and pregnancy complications, and its production is regulated by NLR family pyrin domain-containing 3 (NLRP3) inflammasomes...
May 18, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/28513622/human-milk-insulin-is-related-to-maternal-plasma-insulin-and-bmi-but-other-components-of-human-milk-do-not-differ-by-bmi
#9
B E Young, Z Patinkin, C Palmer, B de la Houssaye, L A Barbour, T Hernandez, J E Friedman, N F Krebs
BACKGROUND/OBJECTIVES: The impact of maternal BMI and insulin sensitivity on bioactive components of human milk (HM) is not well understood. As the prevalence of obesity and diabetes rises, it is increasingly critical that we understand how maternal BMI and hormones associated with metabolic disease relate to concentrations of bioactive components in HM. SUBJECTS/METHODS: This longitudinal cohort design followed 48 breastfeeding mothers through the first four months of lactation, collecting fasting morning HM samples at 2-weeks and 1, 2, 3 and 4-months, and fasting maternal blood at 2-weeks and 4-months...
May 17, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28508539/the-effect-of-maternal-obesity-on-fatty-acid-transporter-expression-and-lipid-metabolism-in-the-full-term-placenta-of-lean-breed-swine
#10
L Tian, S S Dong, J Hu, J J Yao, P S Yan
This study was conducted to evaluate the influence of back-fat thickness (BF), at mating of sows, on the maternal and newborn circulating lipids, expression of placental fatty acids (FA) transporters and lipid accumulation in placenta. Full-term placentas were obtained by vaginal delivery from BFI (9-14 mm; n = 37), BFII (15-19 mm; n = 43) and BFIII (20-27 mm; n = 38) sows according to BF at mating, and frozen placental sections were analysed for fat accumulation. Blood samples were collected from the sows of day 105 pregnancy and from cord blood at delivery...
May 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28507343/non-alcoholic-fatty-liver-disease-vascular-inflammation-and-insulin-resistance-are-exacerbated-by-trail-deletion-in-mice
#11
Siân P Cartland, Hanis H Harith, Scott W Genner, Lei Dang, Victoria C Cogger, Melissa Vellozzi, Belinda A Di Bartolo, Shane R Thomas, Leon A Adams, Mary M Kavurma
Non-alcoholic fatty liver disease (NAFLD) incorporates steatosis, non-alcoholic steato-hepatitis (NASH) and liver cirrhosis, associating with diabetes and cardiovascular disease (CVD). TNF-related apoptosis-inducing ligand (TRAIL) is protective of CVD. We aimed to determine whether TRAIL protects against insulin resistance, NAFLD and vascular injury. Twelve-week high fat diet (HFD)-fed Trail (-/-) mice had increased plasma cholesterol, insulin and glucose compared to wildtype. Insulin tolerance was impaired with TRAIL-deletion, with reduced p-Akt, GLUT4 expression and glucose uptake in skeletal muscle...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28505082/supervised-clustering-of-adipokines-and-hormonal-receptors-predict-prognosis-in-a-population-of-obese-women-with-type-1-endometrial-cancer
#12
Jennifer Uzan, Enora Laas, Issam Abd Alsamad, Dounia Skalli, Dhouha Mansouri, Bassam Haddad, Cyril Touboul
Obesity is a major risk factor for endometrial cancer (EC). Yet, its impact on prognosis is controversial. Obesity is associated with metabolic and hormonal dysregulation as well as adipokines increase. The aim of this study was to characterize the expression of biological factors related to obesity within the tumor and evaluate their impact on prognosis. One hundred and thirty-six patients, including 55 obese patients, with endometrioid type I EC operated by total hysterectomy were included in this retrospective study conducted in a Tertiary teaching hospital between 2000 and 2013...
May 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28500724/grape-seed-proanthocyanidin-extract-ameliorates-inflammation-and-adiposity-by-modulating-gut-microbiota-in-high-fat-diet-mice
#13
Wen Liu, Shaoqian Zhao, Jiqiu Wang, Juan Shi, Yingkai Sun, Weiqing Wang, Guang Ning, Jie Hong, Ruixin Liu
SCOPE: Obesity and associated metabolic complications is a worldwide public health issue. Gut microbiota has been recently linked to obesity and its related inflammation. In this study, we have explored the anti-inflammatory effect of grape seed proanthocyanindin extract (GSPE) in the high-fat diet (HFD)-induced obesity and identified the contribution of the gut microbiota to GSPE effects on metabolism. METHODS AND RESULTS: Mice were fed a normal diet and a high-fat diet with or without GSPE (300mg/kg body weight/day) by oral gavage for 7 weeks...
May 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28500069/b-cell-activity-is-impaired-in-human-and-mouse-obesity-and-is-responsive-to-an-essential-fatty-acid-upon-murine-influenza-infection
#14
Rasagna Kosaraju, William Guesdon, Miranda J Crouch, Heather L Teague, E Madison Sullivan, Erik A Karlsson, Stacey Schultz-Cherry, Kymberly Gowdy, Lance C Bridges, Lauren R Reese, P Darrell Neufer, Michael Armstrong, Nichole Reisdorph, J Justin Milner, Melinda Beck, Saame Raza Shaikh
Obesity is associated with increased risk for infections and poor responses to vaccinations, which may be due to compromised B cell function. However, there is limited information about the influence of obesity on B cell function and underlying factors that modulate B cell responses. Therefore, we studied B cell cytokine secretion and/or Ab production across obesity models. In obese humans, B cell IL-6 secretion was lowered and IgM levels were elevated upon ex vivo anti-BCR/TLR9 stimulation. In murine obesity induced by a high fat diet, ex vivo IgM and IgG were elevated with unstimulated B cells...
May 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28487013/placental-pim-1-expression-is-increased-in-obesity-and-regulates-cytokine-and-toll-like-receptor-mediated-inflammation
#15
Stella Liong, Gillian Barker, Martha Lappas
INTRODUCTION: Obesity is a growing epidemic, and as a consequence the number of obese pregnancies has also increased. Pregnancy is characterised by maternal and placental inflammation which is intensified with maternal obesity. The proviral integration site for Moloney murine leukemic virus (Pim)-1 protein is a serine/threonine kinase involved in a wide range of inflammatory diseases. In relation to obesity, however, its role has not been elucidated in human placenta. The aims were to determine the placental expression of Pim-1 with pre-existing maternal obesity and its role in regulating placental inflammation associated with obesity...
May 2017: Placenta
https://www.readbyqxmd.com/read/28484748/tangeretin-improves-glucose-uptake-in-a-coculture-of-hypertrophic-adipocytes-and-macrophages-by-attenuating-inflammatory-changes
#16
Hye-Sun Shin, Seong-Il Kang, Hee-Chul Ko, Deok-Bae Park, Se-Jae Kim
Obesity is characterized by a state of chronic low-grade inflammation and insulin resistance, which are aggravated by the interaction between hypertrophic adipocytes and macrophages. In this study, we investigated the effects of tangeretin on inflammatory changes and glucose uptake in a coculture of hypertrophic adipocytes and macrophages. Tangeretin decreased nitric oxide production and the expression of interleukin (IL)-6, IL-1β, tumor necrosis factor-α, inducible nitric oxide synthase, and cyclooxygenase-2 in a coculture of 3T3-L1 adipocytes and RAW 264...
March 2017: Balsaeng'gwa Saengsig
https://www.readbyqxmd.com/read/28480505/cardamom-supplementation-improves-inflammatory-and-oxidative-stress-biomarkers-in-hyperlipidemic-overweight-and-obese-pre-diabetic-women-a-randomized-double-blind-clinical-trial
#17
Shiva Kazemi, Fatemeh Yaghooblou, Fereydoun Siassi, Abbas Rahimi, Mahsa Ghavipour, Fariba Koohdani, Gity Sotoudeh
BACKGROUND: Several preclinical studies have shown that spices may decrease the risk of chronic diseases. However, it has been suggested that more clinical trials be carried out to strengthen this preclinical evidence. The purpose of the present study was to evaluate the effects of cardamom (Elettaria Cardamomum) supplementation on inflammation and oxidative stress in hyperlipidemic, overweight, and obese pre-diabetic women. METHODS: This randomized, placebo-controlled, double-blind clinical trial was conducted on 80 pre-diabetic subjects...
May 8, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28479226/bifidobacterium-adolescentis-im38-ameliorates-high-fat-diet-induced-colitis-in-mice-by-inhibiting-nf-%C3%AE%C2%BAb-activation-and-lipopolysaccharide-production-by-gut-microbiota
#18
Su-Min Lim, Dong-Hyun Kim
Gut microbiota play essential roles in the regulation of human metabolism via symbiotic interactions with the host. Prolonged consumption of high-fat diet (HFD) elevates the Firmicutes to Bacteroidetes ratio and lipopolysaccharide (LPS) production by gut microbiota, thereby increasing the probability of developing metabolic and immune disorders such as obesity and colitis. The use of probiotics with anti-inflammatory properties has been suggested to counteract this effect. Here, we tested whether Bifidobacterium adolescentis IM38, which inhibited nuclear factor-kappa B (NF-κB) activation in Caco-2 cells and peritoneal macrophages and inhibited Escherichia coli LPS production, exerted an anticolitic effect in mice with HFD-induced obesity...
April 19, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28475745/impact-of-visceral-obesity-and-metabolic-syndrome-on-the-postoperative-immune-inflammatory-and-endocrine-response-following-surgery-for-esophageal-adenocarcinoma
#19
S L Doyle, A M Mongan, C L Donohoe, G P Pidgeon, M Sherlock, J V Reynolds, J Lysaght
Visceral obesity and metabolic syndrome (MetSyn) represent a constellation of inflammation, insulin resistance, and hyperglycemia and are established risk factors for gastrointestinal cancer. However, their impact on the immune and inflammatory response after major upper gastrointestinal oncologic surgery is unknown. In 125 consecutive patients who underwent esophagectomy, C-reactive protein (CRP) and CRP:albumin levels were recorded preoperatively and on days 1, 3, 7, and 14 postoperatively. In a subset of 30 patients, circulating levels of IL-6, IL-8, IL-10, IL-12p70, IFN-γ, TNF-α, TGF-β, and cortisol were measured...
June 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28475432/obesity-and-ultrasound-estimated-visceral-fat-deposits-in-women-undergoing-assisted-reproductive-technology-art-procedures
#20
Andrea Ciavattini, Nina Montik, Nicolò Clemente, Fabrizia Santoni, Lorenzo Moriconi, Matteo Serri, Pamela Barbadoro, Jacopo Sabbatinelli, Arianna Vignini
The aim of this study was to evaluate the influence of body mass index (BMI) and ultrasound-estimated visceral adipose tissue deposits on oocyte quality and pregnancy rate in women undergoing Assisted Reproductive Technology (ART) procedures. The study included 58 women who underwent ART procedures. According to their BMI, the women were divided into normal weight and overweight/obese; an ultrasound evaluation of preperitoneal fat thickness (PFT) was also performed for each patient. The oocyte quality was then assessed, and samples of follicular fluid were collected from each woman, in order to evaluate the intrafollicular concentration of reactive oxygen species (ROS) as markers of oxidative stress and pro-inflammatory cytokines (IL-1β and IL-6) as markers of chronic inflammation...
May 5, 2017: Gynecological Endocrinology
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