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https://www.readbyqxmd.com/read/28635909/-chronic-obstructive-pulmonary-disease-concurrent-with-metabolic-syndrome-pathophysiological-and-clinical-features
#1
A V Budnevsky, E S Ovsyannikov, N B Labzhania
Chronic obstructive pulmonary disease (COPD) still remains a serious public health problem, which is a common cause of disability and death in the able-bodied population. Furthermore, the number of patients with metabolic syndrome (MS) is steadily increasing worldwide. Recently, there is also an increase in the number of patients with COPD concurrent with MS, which is a mutually confounding risk factor for concomitant cardiovascular disease and adversely affects prognosis in these patients. Systemic subclinical inflammation is a common link between COPD and the components of MS...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28633482/markers-of-adipogenesis-but-not-inflammation-in-adipose-tissue-are-independently-related-to-insulin-sensitivity
#2
Natalia Matulewicz, Magdalena Stefanowicz, Agnieszka Nikolajuk, Monika Karczewska-Kupczewska
Context: In obesity, adipose tissue (AT) undergoes dynamic remodeling, including an alternations in adipogenesis, AT-resident cell content, angiogenesis and turnover of extracellular matrix (ECM) components. Studies on AT in humans have been carried out mostly on people with severe metabolic abnormalities, like type 2 diabetes or morbid obesity. Objective: The purpose of the present study was to investigate subcutaneous AT gene expression of markers of adipogenesis, ECM remodeling and inflammation in young, healthy, overweight or obese subjects...
June 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28632169/the-novel-mechanisms-concerning-the-inhibitions-of-palmitate-induced-proinflammatory-factor-releases-and-endogenous-cellular-stress-with-astaxanthin-on-min6-%C3%AE-cells
#3
Atsuko Kitahara, Kazuto Takahashi, Naru Morita, Toshitaka Murashima, Hirohisa Onuma, Yoshikazu Sumitani, Toshiaki Tanaka, Takuma Kondo, Toshio Hosaka, Hitoshi Ishida
Astaxanthin, an antioxidant agent, can protect pancreatic β-cells of db/db mice from glucotoxicity and resolve chronic inflammation in adipose tissue. Nonetheless, the effects of astaxanthin on free-fatty-acid-induced inflammation and cellular stress in β-cells remain to be demonstrated. Meanwhile, palmitate enhances the secretion of pro-inflammatory adipokines monocyte chemoattractant protein-1 (MCP-1) and VEGF120 (vascular endothelial growth factor). We therefore investigated the influence of astaxanthin on palmitate-stimulated MCP-1 and VEGF120 secretion in mouse insulinoma (MIN6) pancreatic β-cells...
June 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28630003/effects-of-mild-calorie-restriction-on-lipid-metabolism-and-inflammation-in-liver-and-adipose-tissue
#4
Chan Yoon Park, Soyoung Park, Min Soo Kim, Hye-Kyeong Kim, Sung Nim Han
Calorie restriction (CR) has been reported to improve lipid metabolism and to decrease inflammatory diseases. However, most existing CR models use 30-50% calorie reduction, which is hard to achieve in humans. We investigated the effects of mild CR on lipid metabolism and inflammatory responses. Male C57BL/6 mice were fed control diet (10% kcal fat, Control) or high fat diet (60% kcal fat, HFD) ad libitum or reduced amount of control diet to achieve 15% CR for 16 wks. Body weights, white adipose tissue weights, liver triacylglycerol levels, and serum fetuin-A levels were lower in CR than in the Control...
June 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28629772/impact-of-the-cardiovascular-system-associated-adipose-tissue-on-atherosclerotic-pathology
#5
REVIEW
Dimitry A Chistiakov, Andrey V Grechko, Veronika A Myasoedova, Alexandra A Melnichenko, Alexander N Orekhov
Cardiac obesity makes an important contribution to the pathogenesis of cardiovascular disease. One of the important pathways of this contribution is the inflammatory process that takes place in the adipose tissue. In this review, we consider the role of the cardiovascular system-associated fat in atherosclerotic cardiovascular pathology and a non-atherosclerotic cause of coronary artery disease, such as atrial fibrillation. Cardiovascular system-associated fat not only serves as the energy store, but also releases adipokines that control local and systemic metabolism, heart/vascular function and vessel tone, and a number of vasodilating and anti-inflammatory substances...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28629187/suppression-of-ghrelin-exacerbates-hfcs-induced-adiposity-and-insulin-resistance
#6
Xiaojun Ma, Ligen Lin, Jing Yue, Chia-Shan Wu, Cathy A Guo, Ruitao Wang, Kai-Jiang Yu, Sridevi Devaraj, Peter Murano, Zheng Chen, Yuxiang Sun
High fructose corn syrup (HFCS) is widely used as sweetener in processed foods and soft drinks in the United States, largely substituting sucrose (SUC). The orexigenic hormone ghrelin promotes obesity and insulin resistance; ghrelin responds differently to HFCS and SUC ingestion. Here we investigated the roles of ghrelin in HFCS- and SUC-induced adiposity and insulin resistance. To mimic soft drinks, 10-week-old male wild-type (WT) and ghrelin knockout (Ghrelin(-/-)) mice were subjected to ad lib. regular chow diet supplemented with either water (RD), 8% HFCS (HFCS), or 10% sucrose (SUC)...
June 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28628602/procoagulant-activity-of-human-mesenchymal-stem-cells
#7
Barbara A Christy, Maryanne C Herzig, Robbie K Montgomery, Christopher Delavan, James A Bynum, Kristin M Reddoch, Andrew P Cap
BACKGROUND: Allogeneic mesenchymal stem cells (MSCs) show great potential for the treatment of military and civilian trauma based on their reduced immunogenicity and ability to modulate inflammation and immune function in the recipient. Although generally considered to be safe, MSCs express tissue factor (TF), a potent activator of coagulation. In the current study, we evaluated multiple MSC populations for tissue factor expression and procoagulant activity to characterize safety considerations for systemic use of MSCs in trauma patients who may have altered coagulation homeostasis...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28626064/monitoring-c3ar-expression-using-a-floxed-tdtomato-c3ar-reporter-knock-in-mouse
#8
Katharina M Quell, Christian M Karsten, Anna Kordowski, Larissa Nogueira Almeida, Daria Briukhovetska, Anna V Wiese, Jing Sun, Fanny Ender, Konstantina Antoniou, Torsten Schröder, Inken Schmudde, Johann L Berger, Peter König, Tillman Vollbrandt, Yves Laumonnier, Jörg Köhl
C3a exerts multiple biologic functions through activation of its cognate C3a receptor. C3(-/-) and C3aR(-/-) mice have been instrumental in defining important roles of the C3a/C3aR axis in the regulation of acute and chronic inflammatory diseases, including ischemia/reperfusion injury, allergic asthma, autoimmune nephritis, and rheumatoid arthritis. Surprisingly little is known about C3aR expression and function in immune and stromal cells. To close this gap, we generated a floxed tandem-dye Tomato (tdTomato)-C3aR reporter knock-in mouse, which we used to monitor C3aR expression in cells residing in the lung, airways, lamina propria (LP) of the small intestine, brain, visceral adipose tissue, bone marrow (BM), spleen, and the circulation...
June 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28625137/chemokine-like-receptor-1-cmklr-1-receptor-a-potential-therapeutic-target-in-management-of-chemerin-induced-type-2-diabetes-mellitus-and-cancer
#9
Sangeetha Perumalsamy, Nurul Ain Aqilah Mohd Zin, Riyanto Teguh Widodo, Wan Azman Wan Ahmad, Shireene Ratna Db Vethakkan, Hasniza Zaman Huri
BACKGROUND: Chemerin is an adipokine that induces insulin resistance by the mechanism of inflammation in adipose tissue but these are still unclear. A high level of chemerin in humans is considered as a marker of inflammation in insulin resistance and obesity as well as in type 2 diabetes mellitus. Despite the role of chemerin in insulin resistance progression, chemerin as one of the novel adipokines is proposed to be involved in high cancer risk and mortality. AIM: The aim of this paper was to review the role of CMKLR-1 receptor and the potential therapeutic target in the management of chemerin induced type 2 diabetes mellitus and cancer...
June 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28622517/er-stress-promotes-inflammation-through-re-wired-macrophages-in-obesity
#10
Benjamin P Garfinkel, Gökhan S Hotamisligil
A new mechanism linking ER dysfunction to metabolic inflammation is discovered in a recent study by Shan et al. (2017), which demonstrated ER stress-induced rewiring of adipose tissue macrophage polarization by IRE1α activation, leading to impaired systemic glucose homeostasis.
June 15, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28622415/is-bisphenol-a-an-environmental-obesogen
#11
REVIEW
Samuel Legeay, Sébastien Faure
Bisphenol a (BPA) is an endocrine disruptor with an estrogenic activity that is widely produced for the manufacture of polycarbonate plastic, epoxy resin and thermal paper. Its ubiquitous presence in the environment contributes to broad and continuous human exposure which has been associated with deleterious health effects. Despite numerous controversial discussions and a lack of consensus about BPA's safety, growing evidence indicates that BPA exposure positively correlates with an increased risk of developing obesity...
June 16, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28621447/metformin-prevents-vascular-prostanoid-release-alterations-induced-by-a-high-fat-diet-in-rats
#12
H J Lee, S M Cantú, A S Donoso, M R Choi, H A Peredo, A M Puyó
Perivascular adipose tissue dysfunction induced by high-fat feeding leads to alterations in the modulation of inflammation, contractile activity of the vascular smooth muscle and endothelial function, all risk factors in the development of hypertension. Metformin, an activator of AMP-activated protein kinase (AMPK), is currently the first-line drug treatment for type 2 diabetes (T2DM) and metabolic syndrome. Besides its glucose-lowering effect, there is an interest in actions of this drug with potential relevance in cardiovascular diseases...
June 16, 2017: Autonomic & Autacoid Pharmacology
https://www.readbyqxmd.com/read/28619625/hmgb1-an-innate-alarmin-plays-a-critical-role-in-chronic-inflammation-of-adipose-tissue-in-obesity
#13
REVIEW
Jing Zhang, Lei Zhang, Shu Zhang, Qilin Yu, Xiong Fei, Kun Huang, Cong-Yi Wang, Ping Yang
Obesity has emerged as an imminent global public health concern over the past several decades. It has now become evident that obesity is characterized by the persistent and low-grade inflammation in the adipose tissue, and serves as an independent risk factor for many metabolic disorders such as diabetes and cardiovascular disease. Particularly, adipocytes originated from obese mice and humans likely predominate necrosis upon stressful insults, leading to passive release of cellular contents including the high mobility group box 1 (HMGB1) into the extracellular milieu...
June 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28616851/effect-of-aerobic-interval-training-on-serum-il-10-tnf%C3%AE-and-adipokines-levels-in-women-with-multiple-sclerosis-possible-relations-with-fatigue-and-quality-of-life
#14
Motahare Mokhtarzade, Rouholah Ranjbar, Nastaran Majdinasab, Darpan Patel, Mehdieh Molanouri Shamsi
PURPOSE: Multiple sclerosis is associated with immune system dysfunction and chronic inflammation; however, possible relations between immunologic and metabolic factors and some psychological indexes such as fatigue and quality of life, especially in relation to exercise training, have not yet been investigated. The present study was designed to investigate the effect of aerobic interval training on interleukin-10/tumor necrosis factor ratio and adipokine (leptin and adiponectin) concentrations in women with multiple sclerosis...
June 14, 2017: Endocrine
https://www.readbyqxmd.com/read/28615046/the-association-of-insertions-deletions-indels-and-variable-number-tandem-repeats-vntrs-with-obesity-and-its-related-traits-and-complications
#15
REVIEW
Yee-How Say
BACKGROUND: Despite the fact that insertions/deletions (INDELs) are the second most common type of genetic variations and variable number tandem repeats (VNTRs) represent a large portion of the human genome, they have received far less attention than single nucleotide polymorphisms (SNPs) and larger forms of structural variation like copy number variations (CNVs), especially in genome-wide association studies (GWAS) of complex diseases like polygenic obesity. This is exemplified by the vast amount of review papers on the role of SNPs and CNVs in obesity, its related traits (like anthropometric measurements, biochemical variables, and eating behavior), and its related complications (like hypertension, hypertriglyceridemia, hypercholesterolemia, and insulin resistance-collectively known as metabolic syndrome)...
June 14, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28614768/melanocortin-4-receptor-agonist-ro27-3225-ameliorates-soleus-but-not-gastrocnemius-atrophy-in-arthritic-rats
#16
A B Gomez-Sanmiguel, M P Nieto-Bona, C Fernandez-Galaz, T Priego, A I Martin, A Lopez-Calderon
Adjuvant-induced arthritis in rats decreases body weight and muscle mass. Melanocyte stimulating hormone administration to arthritic rats decreases inflammation and skeletal muscle wasting. In this study, we investigate whether activation of melanocortin-4 receptor by RO27-3225 administration is able to prevent the effect of arthritis on the expression of muscle-specific E3 ubiquitin ligases and MyoD in two different muscles, gastrocnemius (a mainly fast type muscle) and soleus (slow type). Arthritis was induced in male Wistar rats by intradermal injection of Freund's adjuvant...
April 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28614714/dectin-1-activation-exacerbates-obesity-and-insulin-resistance-in-the-absence-of-myd88
#17
Angela Castoldi, Vinicius Andrade-Oliveira, Cristhiane Favero Aguiar, Mariane Tami Amano, Jennifer Lee, Marcelli Terumi Miyagi, Marcela Teatin Latância, Tarcio Teodoro Braga, Marina Burgos da Silva, Aline Ignácio, Joanna Darck Carola Correia Lima, Flavio V Loures, José Antonio T Albuquerque, Marina Barguil Macêdo, Rafael Ribeiro Almeida, Jonas W Gaiarsa, Luis A Luévano-Martínez, Thiago Belchior, Meire Ioshie Hiyane, Gordon D Brown, Marcelo A Mori, Christian Hoffmann, Marília Seelaender, Willian T Festuccia, Pedro Manoel Moraes-Vieira, Niels Olsen Saraiva Câmara
The underlying mechanism by which MyD88 regulates the development of obesity, metainflammation, and insulin resistance (IR) remains unknown. Global deletion of MyD88 in high-fat diet (HFD)-fed mice resulted in increased weight gain, impaired glucose homeostasis, elevated Dectin-1 expression in adipose tissue (AT), and proinflammatory CD11c+ AT macrophages (ATMs). Dectin-1 KO mice were protected from diet-induced obesity (DIO) and IR and had reduced CD11c+ AT macrophages. Dectin-1 antagonist improved glucose homeostasis and decreased CD11c+ AT macrophages in chow- and HFD-fed MyD88 KO mice...
June 13, 2017: Cell Reports
https://www.readbyqxmd.com/read/28612217/ox40-promotes-obesity-induced-adipose-inflammation-and-insulin-resistance
#18
Bing Liu, Hengchi Yu, Guangyong Sun, Xiaojing Sun, Hua Jin, Chunpan Zhang, Wen Shi, Dan Tian, Kai Liu, Hufeng Xu, Xinmin Li, Jie Yin, Xu Hong, Dong Zhang
Adaptive immunity plays a critical role in IR and T2DM development; however, the biological mechanisms linking T cell costimulation and glucose metabolism have not been fully elucidated. In this study, we demonstrated that the costimulatory molecule OX40 controls T cell activation and IR development. Inflammatory cell accumulation and enhanced proinflammatory gene expression, as well as high OX40 expression levels on CD4(+) T cells, were observed in the adipose tissues of mice with diet-induced obesity. OX40-KO mice exhibited significantly less weight gain and lower fasting glucose levels than those of WT mice, without obvious adipose tissue inflammation...
June 13, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28607631/hypoxia-in-obesity-and-diabetes-potential-therapeutic-effects-of-hyperoxia-and-nitrate
#19
REVIEW
Reza Norouzirad, Pedro González-Muniesa, Asghar Ghasemi
The prevalence of obesity and diabetes is increasing worldwide. Obesity and diabetes are associated with oxidative stress, inflammation, endothelial dysfunction, insulin resistance, and glucose intolerance. Obesity, a chronic hypoxic state that is associated with decreased nitric oxide (NO) bioavailability, is one of the main causes of type 2 diabetes. The hypoxia-inducible factor-1α (HIF-1α) is involved in the regulation of several genes of the metabolic pathways including proinflammatory adipokines, endothelial NO synthase (eNOS), and insulin signaling components...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28607107/myeloid-sirtuin-6-deficiency-causes-insulin-resistance-in-high-fat-diet-fed-mice-by-eliciting-macrophage-polarization-toward-an-m1-phenotype
#20
Youngyi Lee, Sun-O Ka, Hye-Na Cha, Yu-Na Chae, Mi-Kyung Kim, So-Young Park, Eun Ju Bae, Byung-Hyun Park
Obesity-related insulin resistance is closely associated with macrophage accumulation and subsequent cytokine release in local tissues. Sirtuin (Sirt) 6 is known to exert an anti-inflammatory function but its role in macrophages in the context of obesity has not been investigated. Here, we generated myeloid-specific Sirt6 knockout mice (mS6KO) and investigated the metabolic characteristics after high-fat diet (HFD) feeding for 16 weeks. Compared with their wild type littermates, HFD-fed mS6KO mice exhibited greater increases in body weight, fasting blood glucose- and insulin-levels, hepatic steatosis, glucose intolerance, and insulin resistance...
June 12, 2017: Diabetes
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