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IL-6 and obesity

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https://www.readbyqxmd.com/read/28911649/long-chain-bases-from-sea-cucumber-mitigate-endoplasmic-reticulum-stress-and-inflammation-in-obesity-mice
#1
Shiwei Hu, Jinhui Wang, Jingfeng Wang, Changhu Xue, Yuming Wang
Endoplasmic reticulum (ER) stress and inflammation can induce hyperglycemia. Long-chain bases (LCBs) from sea cucumber exhibit antihyperglycemic activities. However, their effects on ER stress and inflammation are unknown. We investigated the effects of LCBs on ER stress and inflammatory response in high-fat, fructose diet-induced obesity mice. Reactive oxygen species and free fatty acids were measured. Inflammatory cytokines in serum and their mRNA expressions in epididymal adipose tissues were investigated...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911155/differential-associations-of-inflammatory-markers-with-insulin-sensitivity-and-secretion-the-prospective-metsim-study
#2
Maria Fizelova, Raimo Jauhiainen, Antti J Kangas, Pasi Soininen, Mika Ala-Korpela, Johanna Kuusisto, Markku Laakso, Alena Stancáková
Context: Low-grade inflammation is involved in the development of type 2 diabetes and cardiovascular disease (CVD); however, prospective studies evaluating inflammatory markers as predictors of changes in insulin secretion and insulin sensitivity are lacking. Objective: We investigated the associations of glycoprotein acetyls (GlycA), interleukin-1 receptor antagonist (IL-1RA), and high-sensitivity C-reactive protein (hs-CRP) with insulin secretion, insulin sensitivity, incident type 2 diabetes, hypertension, CVD events, and total mortality in the prospective Metabolic Syndrome in Men (METSIM) study...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28910816/mediastinal-and-subcutaneous-chest-fat-are-differentially-associated-with-emphysema-progression-and-clinical-outcomes-in-smokers
#3
Jon Grace, Joseph K Leader, Seyed M Nouraie, Jiantao Pu, Divay Chandra, Yingze Zhang, Frank C Sciurba, Jessica Bon
BACKGROUND: Studies have demonstrated both positive and negative effects of obesity on clinical outcomes in chronic obstructive pulmonary disease (COPD). In other chronic diseases, fat location is differentially associated with disease outcomes; however, this relationship has not been well studied in COPD. OBJECTIVE: To determine if fat location explains the differential association of body mass index (BMI) with clinical outcome measures in smokers. METHODS: Baseline and 6-year chest computed tomography scans from 68 current and former smokers were used to quantify mediastinal and subcutaneous fat...
September 15, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28904916/prevalence-of-metabolic-syndrome-in-psoriasis-and-levels-of-interleukin-6-and-tumor-necrosis-factor-%C3%AE-in-psoriasis-patients-with-metabolic-syndrome-indian-tertiary-care-hospital-study
#4
Surjit Singh, Sunil Dogra, Nusrat Shafiq, Anil Bhansali, Samir Malhotra
BACKGROUND: Psoriasis is a chronic inflammatory multisystem disease, found to be associated with metabolic syndrome (MS) and increased levels of cytokines. To evaluate the prevalence of MS in psoriasis and to determine the levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in psoriasis patients with MS. METHODS: Observational study on 334 psoriasis patients and 230 controls. MS was diagnosed by the presence of three or more criteria of original, revised, and modified National Cholesterol Education Program's Adult Treatment Panel III (NCEP ATP III)...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28904307/irisin-is-a-biomarker-for-metabolic-syndrome-in-prepubertal-children
#5
Young Suk Shim, Min Jae Kang, Seung Yang, Il Tae Hwang
The aim of the present study was to evaluate the association of irisin with obesity and metabolic syndrome (MetS) in Korean prepubertal children. A total of 96 children and adolescents aged 6 to 10 years (56 males) were included in this study. Subjects were divided into 3 groups: normal weight (n = 54), overweight (n = 16), and obese (n = 26). In the subgroup analyses, overweight/obese children were further divided based on their MetS status (with MetS vs. without MetS). Children with obesity tended to exhibit a lower mean irisin concentration compared to those with normal weight (p = 0...
September 12, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28901460/tumor-necrosis-factor%C3%A2-%C3%AE-and-interleukin%C3%A2-6-suppress-microrna%C3%A2-1275-transcription-in-human-adipocytes-through-nuclear-factor%C3%A2-%C3%AE%C2%BAb
#6
Yu-Feng Zhou, Zi-Yi Fu, Xiao-Hui Chen, Yan Cui, Chen-Bo Ji, Xi-Rong Guo
Obesity is a confirmed risk factor for hyperlipidemia, type‑II diabetes, hypertension, and cardiovascular disease. MicroRNAs (miRs) have emerged as an important field of study within energy metabolism and obesity. A previous study demonstrated miR‑1275 to be markedly down‑regulated during maturation of human preadipocytes. It has been reported that miR‑1275 dysregulates expression in several types of cancer and infections. Little is currently known about the regulation of miR‑1275 transcription. The aim of the current study was to explore the mechanism underlying the expression of miR‑1275 in mature human adipocytes...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28894050/compounds-of-psoriasis-with-obesity-and-overweight
#7
Agnieszka Owczarczyk-Saczonek, Waldemar Placek
Many epidemiological studies have confirmed the relationship of obesity and psoriasis, and it is believed that obesity is an independent risk factor for its development and is associated with a worse prognosis. Furthermore, the reduction of body weight, using low-calorie diet combined with exercise, reduces the severity of psoriasis.Visceral adipose tissue is the largest endocrine organ, producing proinflammatory cytokines (TNF-α, IL-6, IL-17) and adipokines (adiponectin, omentin, chemerin). They participate in the development of dyslipidemia, insulin resistance, diabetes, and consequently of the cardiovascular diseases...
August 24, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28890700/dietary-capsaicin-improves-glucose-homeostasis-and-alters-the-gut-microbiota-in-obese-diabetic-ob-ob-mice
#8
Jun-Xian Song, Hui Ren, Yuan-Feng Gao, Chong-You Lee, Su-Fang Li, Feng Zhang, Long Li, Hong Chen
Background: The effects of capsaicin on obesity and glucose homeostasis are still controversial and the mechanisms underlying these effects remain largely unknown. This study aimed to investigate the potential relationship between the regulation of obesity and glucose homeostasis by dietary capsaicin and the alterations of gut microbiota in obese diabetic ob/ob mice. Methods: The ob/ob mice were subjected to a normal, low-capsaicin (0.01%), or high-capsaicin (0.02%) diet for 6 weeks, respectively. Obesity phenotypes, glucose homeostasis, the gut microbiota structure and composition, short-chain fatty acids, gastrointestinal hormones, and pro-inflammatory cytokines were measured...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28888461/a-high-fat-high-sucrose-diet-enriched-in-blue-mussels-protects-against-systemic-inflammation-metabolic-dysregulation-and-weight-gain-in-c57bl-6-mice
#9
Hitesh B Vaidya, Surendiran Gangadaran, Sukhinder K Cheema
High fat-high sucrose (HF-HS) diet, known as the western diet, has been shown to induce the onset of obesity via increasing metabolic inflammation, insulin resistance and adipose tissue dysfunction. Hyperleptinemia, hyperglycemia and dyslipidemia are also the primary observations of obesogenic diet induced obesity. We have previously reported anti-adipogenic and insulin sensitizing effects of blue mussels (BM) using 3T3-L1 cells. BM is a rich source of omega-3 polyunsaturated fatty acids, phytosterols and other micronutrients that has been shown to elicit benefits under obese conditions using in-vitro cell culture models...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28887432/maternal-pregravid-obesity-remodels-the-dna-methylation-landscape-of-cord-blood-monocytes-disrupting-their-inflammatory-program
#10
Suhas Sureshchandra, Randall M Wilson, Maham Rais, Nicole E Marshall, Jonathan Q Purnell, Kent L Thornburg, Ilhem Messaoudi
Prepregnancy maternal obesity is associated with adverse outcomes for the offspring, including increased incidence of neonatal bacterial sepsis and necrotizing enterocolitis. We recently reported that umbilical cord blood (UCB) monocytes from babies born to obese mothers generate a reduced IL-6/TNF-α response to TLR 1/2 and 4 ligands compared to those collected from lean mothers. These observations suggest altered development of the offspring's immune system, which in turn results in dysregulated function...
September 8, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28883756/sodium-butyrate-has-context-dependent-actions-on-dipeptidyl-peptidase-4-and-other-metabolic-parameters
#11
Eun-Sol Lee, Dong-Sung Lee, Prakash Raj Pandeya, Youn-Chul Kim, Dae-Gil Kang, Ho-Sub Lee, Byung-Chul Oh, Dae Ho Lee
Sodium butyrate (SB) has various metabolic actions. However, its effect on dipeptidyl peptidase 4 (DPP-4) needs to be studied further. We aimed to evaluate the metabolic actions of SB, considering its physiologically relevant concentration. We evaluated the effect of SB on regulation of DPP-4 and its other metabolic actions, both in vitro (HepG2 cells and mouse mesangial cells) and in vivo (high fat diet [HFD]-induced obese mice). Ten-week HFD-induced obese C57BL/6J mice were subjected to SB treatment by adding SB to HFD which was maintained for an additional 16 weeks...
September 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28878129/correction-of-intermittent-hypoxia-reduces-inflammation-in-obese-subjects-with-obstructive-sleep-apnea
#12
Sebastio Perrini, Angelo Cignarelli, Vitaliano Nicola Quaranta, Vito Antonio Falcone, Stella Kounaki, Stefania Porro, Alessandro Ciavarella, Romina Ficarella, Maria Barbaro, Valentina Annamaria Genchi, Pasquale Nigro, Pierluigi Carratù, Annalisa Natalicchio, Luigi Laviola, Onofrio Resta, Francesco Giorgino
BACKGROUND: In obese subjects with obstructive sleep apnea (OSA), chronic intermittent hypoxia (CIH) may be linked to systemic and adipose tissue inflammation. METHODS: We obtained abdominal subcutaneous adipose tissue biopsies from OSA and non-OSA obese (BMI > 35) subjects at baseline and after 24 weeks (T1) of weight-loss intervention plus continuous positive airway pressure (c-PAP) or weight-loss intervention alone, respectively. OSA subjects were grouped according to good (therapeutic) or poor (subtherapeutic) adherence to c-PAP...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28875489/adipose-tissue-resident-regulatory-t-cells
#13
Fuxiang Zhu, Aiting Wang, Yangyang Li, Rui Liang, Dan Li, Bin Li
Tissue-resident immune cells play critical roles in regulating tissue function and homeostasis. Obesity-associated visceral adipose tissue inflammation is attributed to the accumulation of M1 macrophages which produce inflammatory cytokines like TNF-α, IL-6, and expansion of effector T cells like Th1 cells, CD8(+) cytotoxic T cells which produce interferon-γ to further add to the severity of inflammation in the visceral adipose tissue. Regulatory T cells have been reported to exert key roles in suppressing inflammation, thus maintaining the homeostasis of immune responses, and visceral adipose Tregs exert critical roles in defending against obesity-associated metabolic disorders...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28874440/blocking-gp130-signaling-suppresses-autotaxin-expression-in-adipocytes-and-improves-insulin-sensitivity-in-diet-induced-obesity
#14
Shuhong Sun, Ran Wang, Jianwen Song, Ming Guan, Na Li, Xiaotian Zhang, Zhenwen Zhao, Junjie Zhang
Autotaxin (ATX), which is highly expressed and secreted by adipocytes, functions as the key enzyme to generate lysophosphatidic acid (LPA) from lysophosphatidylcholine (LPC). Adipose tissue is the main source of circulating ATX that modulates plasma LPA levels. Up-regulation of ATX expression in obese patients and mice is closely related with insulin resistance and impaired glucose tolerance. However, the mechanism of ATX expression in adipocytes remains largely unknown. In this study, we found that gp130-mediated JAK-STAT3 activation was required for abundant ATX expression in adipocytes...
September 5, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28872189/vascular-inflammatory-and-metabolic-factors-associated-with-cognition-in-aging-persons-with-chronic-epilepsy
#15
Bruce P Hermann, Mark A Sager, Rebecca L Koscik, Kate Young, Keith Nakamura
We examined cognition in aging persons with chronic epilepsy; characterized targeted vascular, inflammatory, and metabolic risk factors associated with abnormal cognitive aging in the general population; and examined associations between cognition and vascular, inflammatory, and metabolic health. Participants included 40 persons with chronic localization-related epilepsy and 152 controls, aged 54.6 and 55.3, respectively. Participants underwent neuropsychological assessment, clinical examination, and fasting blood evaluation for quantification of vascular status (systolic and diastolic blood pressure, obesity/body mass index [BMI], total and high-density lipoprotein [HDL] cholesterol level, and homocysteine), inflammatory markers (high sensitivity C-reactive protein [hs-CRP], and interleukin-6 [IL-6]), and metabolic status (insulin resistance [Homeostatic Model Assessment of Insulin Resistance (HOMA-IR)], glucose)...
September 4, 2017: Epilepsia
https://www.readbyqxmd.com/read/28870376/associations-of-body-mass-index-and-body-fat-with-markers%C3%A2-of%C3%A2-inflammation-and-nutrition-among-patients-receiving%C3%A2-hemodialysis
#16
Cynthia Delgado, Glenn M Chertow, George A Kaysen, Lorien S Dalrymple, John Kornak, Barbara Grimes, Kirsten L Johansen
BACKGROUND: Understanding the extent to which visceral and subcutaneous body fat are associated with markers of nutrition and inflammation in patients on dialysis therapy could shed light on the obesity paradox and the biology of subcutaneous fat. STUDY DESIGN: Cross-sectional. SETTING & PARTICIPANTS: 609 adults receiving hemodialysis who participated in the ACTIVE/ADIPOSE Study. PREDICTORS: Body mass index (BMI), waist circumference, and bioelectrical impedance spectroscopy-derived estimates of percent body fat...
September 1, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28869898/3-o-glucosylation-of-quercetin-enhances-inhibitory-effects-on-the-adipocyte-differentiation-and-lipogenesis
#17
Chang Won Lee, Jeong Yeon Seo, Jisun Lee, Ji Won Choi, Sarang Cho, Jae Youn Bae, Jae Kyung Sohng, Sung Oog Kim, Jihoon Kim, Yong Il Park
Glycosylation of natural flavonoids with various sugar moieties can affect their physicochemical and pharmacological properties. In this study, the plant flavonoids quercetin aglycon (Quer) and quercetin 3-O-glucoside (Q3G) were evaluated and compared for their potential anti-obesity effects. The Q3G dose-dependently reduced the TG contents and lipid accumulation in 3T3-L1 adipocyte cells, by 52% and 60% at 20μM, respectively, compared to differentiated control (100%), which were 1.6-fold and 2.4-fold higher reduction than Quer...
September 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28862983/the-association-of-nov-ccn3-with-obstructive-sleep-apnea-osa-preliminary-evidence-of-a-novel-biomarker-in-osa
#18
Jeremy A Weingarten, Lars Bellner, Stephen J Peterson, Moe Zaw, Puja Chadha, Shailendra P Singh, Nader G Abraham
Obstructive sleep apnea (OSA) has a strong association with cardiovascular and metabolic abnormalities, although the mechanism driving this association is not well established. NOV/CCN3, a multifunctional extracellular matrix protein, may play a mechanistic and/or prognostic role in these associations. We hypothesized that patients with OSA, which primarily affects obese individuals, will have increased levels of NOV, and that NOV can serve as a biomarker in patients to predict OSA as well as metabolic and cardiac risk...
September 1, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28857634/antiplatelets-and-profibrinolytic-activity-of-citrullus-colocynthis-in-control-and-high-fat-diet-induced-obese-rats-mechanisms-of-action
#19
Naif M Alhawiti
The current study aimed to investigate the effect of Citrullus colocynthis (C. colocynthis) hydro-alcoholic extract on blood haemostasis in control and high-fat diet (HFD) induced obese rats. In control rats, the extract significantly enhanced bleeding time and plasma levels of tPA and significantly decreased plasma levels PAI-1 and serum levels of thromboxane B2 leading to inhibition of platelets aggregation. In HFD induced obese rats, similar effects were seen and the extract was also able to reverse HFD induced increases in fibrinogen and VWF...
August 31, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28846735/circulating-interleukin-8-and-tumor-necrosis-factor-%C3%AE-are-associated-with-hot-flashes-in-healthy-postmenopausal-women
#20
Wan-Yu Huang, I-Lun Hsin, Dar-Ren Chen, Chia-Chu Chang, Chew-Teng Kor, Ting-Yu Chen, Hung-Ming Wu
INTRODUCTION: Hot flashes have been postulated to be linked to systemic inflammation. This study aimed to investigate the relationship between hot flashes, pro-inflammatory factors, and leukocytes in healthy, non-obese postmenopausal women. PARTICIPANTS AND DESIGN: In this cross-sectional study, a total of 202 women aged 45-60 years were stratified into one of four groups according to their hot-flash status: never experienced hot flashes (Group N), mild hot flashes (Group m), moderate hot flashes (Group M), and severe hot flashes (Group S)...
2017: PloS One
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