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Peter M Hickey, Allan Lawrie, Robin Condliffe
Pulmonary arterial hypertension (PAH) develops in 7-12% of patients with systemic sclerosis (SSc) and is associated with a 3 year survival of 52%. Early detection by screening is therefore recommended for all patients with SSc. Historically, screening has been performed using echocardiography and measurement of gas transfer. More recently the DETECT protocol, using a combination of biomarkers (including N-terminal pro-brain natriuretic peptide) and clinical parameters, has been developed. The optimal method of screening for PAH with high sensitivity and specificity is, however, not clear...
2018: Frontiers in Medicine
Wei-Jing Gong, Jun-Yan Liu, Ji-Ye Yin, Jia-Jia Cui, Di Xiao, Wei Zhuo, Chao Luo, Rui-Jie Liu, Xi Li, Wei Zhang, Hong-Hao Zhou, Zhao-Qian Liu
Metastasis is the main cause of lung cancer-related death. Tumor microenvironment greatly contributes to tumor metastasis. Resistin, mainly secreted by tumor-associated macrophages in tumor tissues, is a 12.5 kDa cysteine-rich secretory protein and significantly higher in the serum or plasma of cancer patients compared with healthy controls. In this study, we explored the expression and role of resistin in lung adenocarcinoma. Our study showed that resistin was strongly expressed in lung adenocarcinoma tissues, and promoted the migration and invasion of lung adenocarcinoma cells in a dose-dependent manner...
June 21, 2018: Cancer Science
Yuanyuan Lu, Chaonan Fan, Aimin Liang, Xiuqin Fan, Rui Wang, Ping Li, Kemin Qi
Specific adipokines, such as adiponectin and resistin, are secreted from adipose tissue and are associated with the development of obesity. Supplementation of dietary SCFA can prevent and reverse high-fat-diet (HFD)-induced obesity. However, it is not clear whether SCFA ameliorate abnormal expression of adiponectin and resistin in the obese state. The aim of this study was to investigate the effects of SCFA on adiponectin and resistin's expressions in diet-induced obese mice, as well as the potential mechanisms associated with DNA methylation...
June 21, 2018: British Journal of Nutrition
K Ferenc, P Pietrzak, M Wierzbicka, P Matyba, E Grzesiuk, Z Gajewski, R Zabielski
Intrauterine growth retardation (IUGR) leads to increased predisposition to metabolic syndrome in adult life but the mechanisms remain obscure. Considering a significant number of functional similarities, IUGR piglets appear to be a good model to study the development of this syndrome in humans. The aim of the present study was to investigate the ultrastructure and proteomic profile of the liver in IUGR pig neonates to discover early markers of predisposition to obesity and insulin resistance. In our study intestine and liver tissue samples were investigated in 7 day old IUGR and normal body weight (NBW) littermate piglets using histometry, mass spectrometry, in-tissue cytometry analysis and confocal microscopy...
April 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
Ewelina Witkowska-Sędek, Małgorzata Rumińska, Anna Stelmaszczyk-Emmel, Anna Majcher, Beata Pyrżak
This study investigated associations between the growth hormone/insulin-like growth factor-1 (GH/IGF-1) axis, adiponectin, resistin and metabolic profile in 47 GH-deficient children before and during 12 months of GH treatment. 23 short age-matched children without growth hormone deficiency (GHD) or any genetic or chronic disorders were recruited as controls at baseline. Metabolic evaluation included measurements of adiponectin, resistin, IGF-1, total cholesterol (total-C), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), triglycerides (TG), glucose, insulin, glycated haemoglobin (HbA1c), thyroid stimulating hormone (TSH) and free thyroxine (free T4) concentrations...
2018: Acta Biochimica Polonica
Lali Tsiklauri, Janina Werner, Marian Kampschulte, Klaus W Frommer, Lucija Berninger, Martina Irrgang, Kristina Glenske, Dirk Hose, Thaqif El Khassawna, Jörn Pons-Kühnemann, Stefan Rehart, Sabine Wenisch, Ulf Müller-Ladner, Elena Neumann
OBJECTIVES: Age-related bone loss is associated with bone marrow adiposity. Adipokines (e.g. visfatin, resistin, leptin) are adipocyte-derived factors with immunomodulatory properties and might influence differentiation of bone marrow-derived mesenchymal stem cells (MSC) in osteoarthritis (OA) and osteoporosis. Thus, the presence of adipokines and MMPs in bone marrow and their effects on MSC differentiation were analyzed. METHODS: MSC and RNA were isolated from femoral heads after hip replacement surgery of OA or osteoporotic femoral neck fracture (FF) patients...
June 13, 2018: Osteoarthritis and Cartilage
Hung-Wen Liu, Sue-Joan Chang
The clear mechanism of moderate exercise training (Ex) in attenuating muscle loss remains elusive in diabetes. We investigated the effects of moderate exercise training on diabetes-induced nuclear factor-κB (NF-κB) activation and mitochondrial dysfunction. Skeletal muscle size and atrophy signaling pathways were examined in type 2 diabetic db/db mice with or without moderate exercise training (5.2 m/min, 1 h/day, and 5 days/week for a total of 8 weeks). Exercise training decreased serum leptin, MCP-1, and resistin levels in db/db +Ex mice, but it did not reduce symptoms of insulin resistance including hyperglycemia, hyperinsulinemia, and impaired glucose tolerance...
2018: Frontiers in Physiology
Santosh Kumar, Gang Wang, Wenjuan Liu, Wenwen Ding, Ming Dong, Na Zheng, Hongyu Ye, Jie Liu
HIMF (hypoxia-induced mitogenic factor/found in inflammatory zone 1/resistin like α) is a secretory and cytokine-like protein and serves as a critical stimulator of hypoxia-induced pulmonary hypertension. With a role for HIMF in heart disease unknown, we explored the possible roles for HIMF in cardiac hypertrophy by overexpressing and knocking down HIMF in cardiomyocytes and characterizing HIMF gene ( himf ) knockout mice. We found that HIMF mRNA and protein levels were upregulated in phenylephrine-stimulated cardiomyocyte hypertrophy and our mouse model of transverse aortic constriction-induced cardiac hypertrophy, as well as in human hearts with dilated cardiomyopathy...
June 11, 2018: Hypertension
Amir Aviram, Biana Shtaif, Galia Gat-Yablonski, Yariv Yogev
OBJECTIVE: To evaluate the relationship between adipocytokines and glycemic control. STUDY DESIGN: Prospective observational trial of gestations with gestational diabetes mellitus (GDM). Fasting glucose (FG), insulin, adiponectin, Leptin, chemerin, Retinol Binding Protein 4 (RBP-4), osteocalcin and resistin were measured. HomeOstasis model assessment of insulin resistance (HOMA-IR) and QUantitative insulin sensitivity ChecK Index (QUICKI) were calculated. Women who required medications for glycemic control were compared to women using nutritional therapy only...
June 10, 2018: Journal of Maternal-fetal & Neonatal Medicine
Laurence Britton, Kim Bridle, Janske Reiling, Nishreen Santrampurwala, Leesa Wockner, Helena Ching, Katherine Stuart, V Nathan Subramaniam, Gary Jeffrey, Tim St Pierre, Michael House, Joel Gummer, Robert Trengove, John Olynyk, Darrell Crawford, Leon Adams
Rodent and cell-culture models support a role for iron-related adipokine dysregulation and insulin resistance in the pathogenesis of nonalcoholic fatty liver disease (NAFLD); however, substantial human data are lacking. We examined the relationship between measures of iron status, adipokines, and insulin resistance in patients with NAFLD in the presence and absence of venesection. This study forms part of the Impact of Iron on Insulin Resistance and Liver Histology in Nonalcoholic Steatohepatitis (IIRON2) study, a prospective randomized controlled trial of venesection for adults with NAFLD...
June 2018: Hepatology Communications
Chantal A Vella, Mary Cushman, Rachel B Van Hollebeke, Matthew A Allison
OBJECTIVE: This study examined the associations of muscle area and radiodensity with adiponectin and leptin. METHODS: A total of 1,944 participants who enrolled in the Multi-Ethnic Study of Atherosclerosis underwent computed tomography to quantify body composition and measurements of adiponectin, leptin, interleukin-6, C-reactive protein, and resistin. RESULTS: The mean age and BMI of participants were 64.7 years and 28.1 kg/m2 and 49% were female...
June 7, 2018: Obesity
Anna Babinska, Mariusz Kaszubowski, Krzysztof Sworczak
Due to the fact that overweight or obesity is accompanied by hormonally active adrenal tumors: Cushing Syndrome-(CS) and Subclinical Cushing Syndrome (SCS), it is of high interest the correlation between different adipokines and cytokines secreted by adipose tissue, with metabolic disorders and hormonal activity in this group. Even in non-functioning adrenal incidentalomas (NFAI) elevated risk for cardiovascular disease and metabolic syndrome was demonstrated. The aim of the study was to investigate plasma adiponectin, leptin, resistin, tumor necrosis factor α (TNFα), interleukin 6 (IL6) and monocyte chemoattractant protein 1 (MCP1) levels in patients with NFAIs and healthy subjects...
June 5, 2018: Endocrine Journal
Gabrielle M Pine, Hashini M Batugedara, Meera G Nair
The Resistin-Like Molecules (RELM) α, β, and γ and their namesake, resistin, share structural and sequence homology but exhibit significant diversity in expression and function within their mammalian host. RELM proteins are expressed in a wide range of diseases, such as: microbial infections (eg. bacterial and helminth), inflammatory diseases (eg. asthma, fibrosis) and metabolic disorders (eg. diabetes). While the expression pattern and molecular regulation of RELM proteins are well characterized, much controversy remains over their proposed functions, with evidence of host-protective and pathogenic roles...
June 1, 2018: Cytokine
Daniel Antonio de Luis, Olatz Izaola, David Primo, R Aller
OBJECTIVE: The aim of this study was to analyze the effects of rs670 APOA1 gene polymorphism on obesity parameters, lipid profile, glucose metabolism markers, blood pressure and adipokine levels after a hypocaloric diet with Mediterranean pattern. MATERIAL AND METHODS: A population of 82 obese patients was studied before and after 12 weeks on a hypocaloric diet (500 kcal per day) in an interventional study of one arm. GG and GA+AA subjects receiving the same diet...
May 30, 2018: Diabetes Research and Clinical Practice
Loqmane Seridi, Gregory C Leo, G Lynis Dohm, Walter J Pories, James Lenhard
Roux-en-Y gastric bypass (RYGB) is an effective way to lose weight and reverse type 2 diabetes. We profiled the metabolome of 18 obese patients (nine euglycemic and nine diabetics) that underwent RYGB surgery and seven lean subjects. Plasma samples from the obese patients were collected before the surgery and one week and three months after the surgery. We analyzed the metabolome in association to five hormones (Adiponectin, Insulin, Ghrelin, Leptin, and Resistin), four peptide hormones (GIP, Glucagon, GLP1, and PYY), and two cytokines (IL-6 and TNF)...
2018: PloS One
Juan C Nieto, Lídia Perea, Germán Soriano, Carlos Zamora, Elisabet Cantó, Aina Medina, Maria Poca, Elisabet Sanchez, Eva Roman, Germà Julià, Ferran Navarro, Cristina Gely, Edilmar A Alvarado, Carlos Guarner, Cándido Juarez, Sílvia Vidal
Ascitic neutrophils from cirrhotic patients with spontaneous bacterial peritonitis (SBP) exhibit an impaired oxidative burst that could facilitate bacterial infection. However, the influence of the cell-free ascitic fluid of these patients on neutrophil function has not been investigated. To analyze this influence, we determined the ascitic levels of cytokines, resistin, and lactoferrin and their association with neutrophil function, disease severity score, and SBP resolution. We analyzed NETosis induction by microscopy and oxidative burst by the flow cytometry of healthy neutrophils cultured in ascitic fluid from cirrhotic patients with sterile ascites (SA) and with SBP before and after antibiotic treatment...
May 31, 2018: Journal of Leukocyte Biology
Wei Yang, Yun Li, Jie-Yu Wang, Rui Han, Li Wang
BACKGROUND: Inflammation has been recognized as a key feature of both type 2 diabetes mellitus (T2DM) and atherosclerosis. However, the relationships between circulating levels of novel adipose tissue-derived inflammatory factors, including resistin, vaspin, and visfatin, and the severity of atherosclerosis have not been determined. Moreover, the associations between these inflammatory factors and obesity and insulin resistance in elderly patients remain to be clarified. METHODS: A cross-sectional study of 256 elderly patients with T2DM admitted in our center was performed...
May 30, 2018: Cardiovascular Diabetology
José-Luis Ríos, Rosa M Giner, Marta Marín, M Carmen Recio
Ellagic acid is a common metabolite present in many medicinal plants and vegetables. It is present either in free form or as part of more complex molecules (ellagitannins), which can be metabolized to liberate ellagic acid and several of its metabolites, including urolithins. While ellagic acid's antioxidant properties are doubtless responsible for many of its pharmacological activities, other mechanisms have also been implicated in its various effects, including its ability to reduce the lipidemic profile and lipid metabolism, alter pro-inflammatory mediators (tumor necrosis factor- α , interleukin-1 β , interleukin-6), and decrease the activity of nuclear factor- κ B while increasing nuclear factor erythroid 2-related factor 2 expression...
May 30, 2018: Planta Medica
Zeinab Rezaei Esfahrood, Sahar Vardian Tehrani, Zahra Yadegari, Bahareh Shams, Farshid Dehnavi, Nasim Shams
OBJECTIVE: To evaluate resistin levels in the saliva of patients with chronic periodontitis, and healthy subjects. METHODS: Thirty-four subjects aged between 25 and 50 years were included and divided into healthy group (n = 19) and chronic periodontitis group (n = 15). The saliva levels of resistin were assessed by enzyme-linked immunosorbent assay. Comparisons of resistin levels between the two groups were made with the Mann-Whitney Test. RESULTS: The chronic periodontitis group showed significantly higher resistin levels than the control group (P = 0...
2018: Chinese Journal of Dental Research
Jingqi Ren, Yaqiu Lin, Junni Tang, Hua Yue, Yanying Zhao
BACKGROUND/AIMS: Allograft inflammatory factor-1 (AIF-1) is an inflammatory cytokine produced mainly by macrophages within human white adipose tissue. Its expression is increased in obese subjects and positively correlated with insulin resistance. The purpose of this study is to characterize the regulatory role of AIF-1 in insulin signaling of adipocyte. METHODS: AIF-1 was over-expressed via transfection of AIF-1 cDNA into murine RAW 264.7 macrophages, and the constitutive expression of AIF-1 was decreased via transfection of targeting siRNA...
2018: Cellular Physiology and Biochemistry
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