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Obesity inflammation

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https://www.readbyqxmd.com/read/29458053/circulating-bile-acids-in-healthy-adults-respond-differently-to-a-dietary-pattern-characterized-by-whole-grains-legumes-and-fruits-and-vegetables-compared-to-a-diet-high-in-refined-grains-and-added-sugars-a-randomized-controlled-crossover-feeding-study
#1
Bigina N R Ginos, Sandi L Navarro, Yvonne Schwarz, Haiwei Gu, Dongfang Wang, Timothy W Randolph, Ali Shojaie, Meredith A J Hullar, Paul D Lampe, Mario Kratz, Marian L Neuhouser, Daniel Raftery, Johanna W Lampe
OBJECTIVE: The effects of diets high in refined grains on biliary and colonic bile acids have been investigated extensively. However, the effects of diets high in whole versus refined grains on circulating bile acids, which can influence glucose homeostasis and inflammation through activation of farnesoid X receptor (FXR) and G protein-coupled bile acid receptor 1 (TGR5), have not been studied. MATERIALS AND METHODS: We conducted a secondary analysis from a randomized controlled crossover feeding trial (NCT00622661) in 80 healthy adults (40 women/40 men, age 18-45 years) from the greater Seattle Area, half of which were normal weight (BMI 18...
February 16, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29456586/dietary-canolol-protects-the-heart-against-the-deleterious-effects-induced-by-the-association-of-rapeseed-oil-vitamin-e-and-coenzyme-q10-in-the-context-of-a-high-fat-diet
#2
Thibault Leger, Isabelle Hininger-Favier, Frédéric Capel, Alain Geloen, Jean-Paul Rigaudière, Chrystèle Jouve, Elodie Pitois, Gaelle Pineau, Carole Vaysse, Jean-Michel Chardigny, Marie-Caroline Michalski, Corinne Malpuech-Brugère, Luc Demaison
Background: Obesity progressively leads to cardiac failure. Omega-3 polyunsaturated fatty acids (PUFA) have been shown to have cardio-protective effects in numerous pathological situations. It is not known whether rapeseed oil, which contains α-linolenic acid (ALA), has a similar protective effect. Omega-3 PUFAs are sensitive to attack by reactive oxygen species (ROS), and lipid peroxidation products could damage cardiac cells. We thus tested whether dietary refined rapeseed oil (RSO) associated with or without different antioxidants (vitamin E, coenzyme Q10 and canolol) is cardio-protective in a situation of abdominal obesity...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29455258/effects-of-capsaicin-on-ovarian-granulosa-cell-proliferation-and-apoptosis
#3
Sabire Güler, Berrin Zik
Capsaicin is the pungent ingredient in red peppers. Due to the effects on the sensory nerve fibers, capsaicin has been used to treat pain and inflammation associated with a variety of diseases including rheumatoid arthritis and diabetic neuropathy, obesity, and cardiovascular and gastrointestinal conditions. Despite the extensive publications on different systems, the studies of the effects on the ovary are very limited. The present study was conducted to examine the possible proliferative and/or apoptotic effects of various doses of capsaicin on primarily derived granulosa cells...
February 17, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29454969/jip3-knockout-protects-mice-against-high-fat-diet-induced-liver-injury
#4
Xiao-Jun Ma, Hai-Zhou Xing, Gao-Fei Ren, Xiao-Juan Rao, Zhi-Zhen Li
Multiple pathways contribute to nonalcoholic fatty liver disease (NAFLD) in response to high fat diets (HFD). A homolog of mammalian JNK-interacting protein 3 (JIP3), also known as JSAP-1, activates different components in various signaling pathways to modulate cellular processes. The purpose of this study was to examine the role of JIP3 in obesity-related pathologies pathway. Wild-type (WT) C57BL/6 and JIP3-knockout (JIP3-/- ) mice were randomized to chow or HFD. HFD-fed WT mice increased hepatic JIP3 expression...
February 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29454579/nucleus-accumbens-inflammation-mediates-anxiodepressive-behavior-and-compulsive-sucrose-seeking-elicited-by-saturated-dietary-fat
#5
Léa Décarie-Spain, Sandeep Sharma, Cécile Hryhorczuk, Victor Issa Garcia, Philip A Barker, Nathalie Arbour, Thierry Alquier, Stephanie Fulton
OBJECTIVE: The incidence of depression is significantly compounded by obesity. Obesity arising from excessive intake of high-fat food provokes anxiodepressive behavior and elicits molecular adaptations in the nucleus accumbens (NAc), a region well-implicated in the hedonic deficits associated with depression and in the control of food-motivated behavior. To determine the etiology of diet-induced depression, we studied the impact of different dietary lipids on anxiodepressive behavior and metabolic and immune outcomes and the contribution of NAc immune activity...
January 31, 2018: Molecular Metabolism
https://www.readbyqxmd.com/read/29454501/postoperative-inflammation-and-insulin-resistance-in-relation-to-body-composition-adiposity-and-carbohydrate-treatment-a-randomised-controlled-study
#6
Nilanjana Tewari, Sherif Awad, František Duška, Julian P Williams, Andrew Bennett, Ian A Macdonald, Dileep N Lobo
BACKGROUND & AIMS: The aims of this study were to identify whether differences in distribution of adipose tissue and skeletal muscle in obese and non-obese individuals contribute to the magnitude of the postoperative inflammatory response and insulin resistance, with and without preoperative treatment with carbohydrate drinks. METHODS: Thirty-two adults (16 obese/16 non-obese) undergoing elective major open abdominal surgery participated in this 2 × 2 factorial, randomised, double-blind, placebo-controlled study...
February 14, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#7
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
February 14, 2018: Cytokine
https://www.readbyqxmd.com/read/29453465/screening-of-potential-adipokines-identifies-s100a4-as-a-marker-of-pernicious-adipose-tissue-and-insulin-resistance
#8
Peter Arner, Paul Petrus, David Esteve, Anne Boulomié, Erik Näslund, Anders Thorell, Hui Gao, Ingrid Dahlman, Mikael Rydén
BACKGROUND: Adipokines are peptides secreted from white adipose tissue (WAT), which have been linked to WAT dysfunction and metabolic complications of obesity. We set out to identify novel adipokines in subcutaneous WAT (sWAT) linked to insulin resistance (IR). METHODS: Gene expression was determined by microarray and qPCR in obese and non-obese subjects with varying degree of IR. WAT-secreted and circulating protein levels were measured by ELISA. RESULTS: In sWAT of 80 obese women discordant for IR, 44 genes encoding potential adipose-secreted proteins were differentially expressed...
January 30, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29453462/gq-11-a-new-ppar-agonist-improves-obesity-induced-metabolic-alterations-in-ldlr-mice
#9
Jacqueline C Silva, Edson M de Oliveira, Walter M Turato, Gustavo H G Trossini, Vinícius G Maltarollo, Marina G R Pitta, Ivan R Pitta, Beatriz de Las Heras, Lisardo Boscá, Martina Rudnicki, Dulcineia S P Abdalla
BACKGROUND: Obesity and insulin resistance/diabetes are important risk factors for cardiovascular diseases and demand safe and efficacious therapeutics. OBJECTIVE: To assess the effects of a new thiazolidine compound-GQ-11-on obesity and insulin resistance induced by a diabetogenic diet in LDL receptor-deficient (LDLr -/- ) mice. METHODS: Molecular docking simulations of GQ-11, PPARα and PPARγ structures were performed. Male C57BL/6J LDLr -/- mice fed a diabetogenic diet for 24 weeks were treated with vehicle, GQ-11 or pioglitazone or (20 mg/kg/day) for 28 days by oral gavage...
January 30, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29453232/a-randomized-multicenter-phase-ii-study-of-docosahexaenoic-acid-in-patients-with-a-history-of-breast-cancer-premalignant-lesions-or-benign-breast-disease
#10
Ayca Gucalp, Xi K Zhou, Elise D Cook, Judy E Garber, Katherine D Crew, Julie R Nangia, Priya Bhardwaj, Dilip D Giri, Olivier Elemento, Akanksha Verma, Hanhan Wang, J Jack Lee, Lana A Vornik, Carrie Mays, Diane Weber, Valerie Sepeda, Holly O'Kane, Margaret Krasne, Samantha Williams, Patrick G Morris, Brandy M Heckman-Stoddard, Barbara K Dunn, Clifford A Hudis, Powel H Brown, Andrew J Dannenberg
Obesity, a cause of subclinical inflammation, is a risk factor for the development of postmenopausal breast cancer (BC) and is associated with poorer cancer outcomes. Docosahexaenoic acid (DHA), an omega-3 fatty acid, possesses anti-inflammatory properties. We hypothesized that treatment with DHA would reduce the expression of proinflammatory genes and aromatase, the rate-limiting enzyme for estrogen biosynthesis, in benign breast tissue of overweight/obese women. A randomized, placebo-controlled, double-blind phase II study of DHA given for 12 weeks to overweight/obese women with a history of stage I-III BC, DCIS/LCIS, Paget's disease, or proliferative benign breast disease was carried out...
February 16, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29450671/short-term-treatment-with-metformin-reduces-hepatic-lipid-accumulation-but-induces-liver-inflammation-in-obese-mice
#11
Alexandre Abilio de Souza Teixeira, Camila O Souza, Luana A Biondo, Loreana Sanches Silveira, Edson A Lima, Helena A Batatinha, Adriane Pereira Araujo, Michele Joana Alves, Sandro Massao Hirabara, Rui Curi, José Cesar Rosa Neto
The study aimed to evaluate the metabolic and inflammatory effects of short-term treatments (10 days) with metformin (MET) on the NAFLD caused by a high-fat diet (HFD) in C57BL/6 mice. After the treatment, histological liver slices were obtained, hepatocytes and macrophages were extracted and cultured with phosphate buffered saline, LPS (2.5 µg/mL) and MET (1 µM) for 24 h. Cytokine levels were determined by ELISA. NAFLD caused by the HFD was partially reduced by MET. The lipid accumulation induced by the HFD was not associated with liver inflammation; however, MET seemed to promote pro-inflammatory effects in liver, since it increased hepatic concentration of IL-1β, TNF-α, IL-6, MCP-1 and IFN-γ...
February 15, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29449623/targeted-disruption-of-the-inos-gene-improves-adipose-tissue-inflammation-and-fibrosis-in-leptin-deficient-ob-ob-mice-role-of-tenascin-c
#12
S Becerril, A Rodríguez, V Catalán, L Méndez-Giménez, B Ramírez, N Sáinz, M Llorente, X Unamuno, J Gómez-Ambrosi, G Frühbeck
BACKGROUND/OBJECTIVES: Obesity is related to a dynamic extracellular matrix (ECM) remodeling, which involves the synthesis and degradation of different proteins, such as tenascin C (TNC) in the adipose tissue (AT). Given the functional relationship between leptin and inducible nitric oxide synthase (iNOS), our aim was to analyze the impact of the absence of the iNOS gene in AT inflammation and ECM remodeling in ob/ob mice. SUBJECTS/METHODS: The expression of genes involved in inflammation and ECM remodeling was evaluated in 10-week-old male double knockout (DBKO) mice simultaneously lacking the ob and iNOS genes as well as in ob/ob mice classified into three groups [control, leptin-treated (1 mg kg -1 day -1 ) and pair-fed]...
February 15, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29449577/neutralization-of-il-15-abrogates-experimental-immune-mediated-cholangitis-in-diet-induced-obese-mice
#13
José L Reyes, Danielle T Vannan, Tina Vo, Aliya Gulamhusein, Paul L Beck, Raylene A Reimer, Bertus Eksteen
Obesity is a global epidemic affecting chronic inflammatory diseases. Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease that can occur as an extraintestinal manifestation of inflammatory bowel disease (IBD). Previously we reported that patients with PSC who are obese have a higher risk of advanced liver disease. Currently it is unknown how obesity accelerates or worsens PSC. We evaluated the progression of PSC in an antigen-driven cholangitis mouse model of diet-induced obesity. Obesity was induced in our murine model of immune-mediated cholangitis (OVAbil)...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29449364/diabetic-cardiomyopathy-an-update-of-mechanisms-contributing-to-this-clinical-entity
#14
REVIEW
Guanghong Jia, Michael A Hill, James R Sowers
Heart failure and related morbidity and mortality are increasing at an alarming rate, in large part, because of increases in aging, obesity, and diabetes mellitus. The clinical outcomes associated with heart failure are considerably worse for patients with diabetes mellitus than for those without diabetes mellitus. In people with diabetes mellitus, the presence of myocardial dysfunction in the absence of overt clinical coronary artery disease, valvular disease, and other conventional cardiovascular risk factors, such as hypertension and dyslipidemia, has led to the descriptive terminology, diabetic cardiomyopathy...
February 16, 2018: Circulation Research
https://www.readbyqxmd.com/read/29447962/low-molecular-weight-fucoidan-attenuates-liver-injury-via-sirt1-ampk-pgc1%C3%AE-axis-in-db-db-mice
#15
Yuanyuan Zheng, Tiantian Liu, Zhiqiang Wang, Yang Xu, Quanbin Zhang, Dali Luo
Non-alcoholic fatty-liver disease (NAFLD), caused by elevated hepatic lipids, inflammation and oxidative stress, is the most common liver disease globally. Low molecular weight fucoidan (LMWF), a sulfated polysaccharide extracted from brown seaweeds, has shown strong anti-inflammatory and antioxidant activities, which has not been explored in diabetes-induced NAFLD. Therefore, the present study sought to determine whether LMWF protects obese diabetic db/db mice against NAFLD. Results showed LMWF administration decreased plasma level of alanine aminotransferase, aspartate aminotransferase, total cholesterol, and triglyceride, as well as alleviated hepatic accumulation of triglyceride and total cholesterol in db/db mice...
February 12, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29445415/curcumin-and-piperine-supplementation-of-obese-mice-under-caloric-restriction-modulates-body-fat-and-interleukin-1%C3%AE
#16
Taiki Miyazawa, Kiyotaka Nakagawa, Sharon H Kim, Michael J Thomas, Ligi Paul, Jean-Marc Zingg, Gregory G Dolnikowski, Susan B Roberts, Fumiko Kimura, Teruo Miyazawa, Angelo Azzi, Mohsen Meydani
Background: Dietary bioactive compounds capable of improving metabolic profiles would be of great value, especially for overweight individuals undergoing a caloric restriction (CR) regimen. Curcumin (Cur), a possible anti-obesity compound, and piperine (Pip), a plausible enhancer of Cur's bioavailability and efficacy, may be candidate agents for controlling body fat, metabolism and low grade inflammation. Methods: 47 eight-week-old male C57BL/6 mice were fed a high fat diet (HFD) for 23 weeks to induce obesity...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29445240/high-fat-diet-induced-metabolically-obese-and-normal-weight-rabbit-model-shows-early-vascular-dysfunction-mechanisms-involved
#17
Gabriela Alarcon, Julieta Roco, Mirta Medina, Analia Medina, Maria Peral, Susana Jerez
BACKGROUND: Obesity contributes significantly to the development and evolution of cardiovascular disease (CVD) which is believed to be mediated by oxidative stress, inflammation and endothelial dysfunction. However, the vascular health of metabolically obese and normal weight (MONW) individuals is not completely comprehended. OBJECTIVES: The purpose of our study was to evaluate vascular function on the basis of a high fat diet (HFD)-MONW rabbit model. SUBJECTS: Twenty four male rabbits were randomly assigned to receive either a regular diet (CD, n = 12) or a high-fat diet (18% extra fat on the regular diet, HFD, n = 12) for 6 weeks...
January 30, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29444341/high-fat-diet-induced-obesity-promotes-expansion-of-bone-marrow-adipose-tissue-and-impairs-skeletal-stem-cell-functions-in-mice
#18
Michaela Tencerova, Florence Figeac, Nicholas Ditzel, Hanna Taipaleenmäki, Tina Kamilla Nielsen, Moustapha Kassem
Obesity represents a risk factor for development of insulin resistance and Type 2 Diabetes. In addition, it has been associated with increased adipocyte formation in the bone marrow (BM) along with increased risk for bone fragility fractures. However, little is known on the cellular mechanisms that link obesity, BM adiposity and bone fragility. Thus, in an obesity intervention study in C57BL/6J mice fed with high fat diet (HFD) for 12 weeks, we investigated the molecular and cellular phenotype of bone marrow adipose tissue (BMAT), BM progenitor cells and BM microenvironment in comparison to peripheral adipose tissue (AT)...
February 14, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29444323/the-role-of-fat-and-inflammation-in-the-pathogenesis-and-management-of-osteoarthritis
#19
Hema Urban, Christopher B Little
OA is a complex disease involving mechanical, metabolic and inflammatory contributions to its aetiology. A key risk factor, obesity, is becoming an increasing focus of research due to its multiple potential impacts on OA incidence, progression and symptom severity. An increased load due to an increase in body mass has been well established as a mechanical contribution to the pathophysiology of OA. However, evidence of obesity-linked to OA in non-weight-bearing joints has implicated the biological role of adipose inflammation and metabolic abnormalities in OA...
February 9, 2018: Rheumatology
https://www.readbyqxmd.com/read/29440791/obesity-and-oral-health-is-there-a-link-an-observational-study
#20
Neeraj Chandrahas Deshpande, Mansi Rajendrakumar Amrutiya
Introduction: Periodontitis is defined as a destructive inflammatory disease involving the supporting tissues of the teeth due to specific microorganisms which results in a progressive destruction of supporting structures of the periodontium. Obesity is excessive body fat in proportion to lean body mass, to such an extent that health is impaired. Obesity, a serious public health problem, relates to a chronic low-grade systemic inflammation and is involved in the development of obesity-linked disorders including insulin resistance, type 2 diabetes, cardiovascular diseases, dyslipidemia, and metabolic syndrome...
May 2017: Journal of Indian Society of Periodontology
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