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https://www.readbyqxmd.com/read/27905403/infusion-with-human-bone-marrow-derived-mesenchymal-stem-cells-improves-%C3%AE-cell-function-in-patients-and-non-obese-mice-with-severe-diabetes
#1
Lirong Li, Hui Hui, Xiaolei Jia, Jie Zhang, Ying Liu, Qianyue Xu, Dalong Zhu
Mesenchymal stem cells (MSCs) transplantation is a promising therapeutic strategy for type 1 diabetes (T1D). However, little is known on whether MSC transplantation can benefit T1D patients with ketoacidosis and its potential actions. Here, we show that infusion with bone marrow MSCs preserves β-cell function in some T1D patients with ketoacidosis by decreasing exogenous insulin requirement and increasing plasma C-peptide levels up to 1-2 years. MSC transplantation increased plasma and islet insulin contents in non-obese diabetic (NOD) mice with severe diabetes...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904616/effect-of-folic-acid-and-metformin-on-insulin-resistance-and-inflammatory-factors-of-obese-children-and-adolescents
#2
Elham Hashemi Dehkordi, Farnaz Sattari, Abolfazl Khoshdel, Karamali Kasiri
BACKGROUND: Considering the increasing trend of obesity, especially in developing countries such as Iran, and the role of inflammatory factors and insulin resistance (IR) in the occurrence of obesity-related complications as well as the safety of some agents such as folic acid and metformin, this clinical trial was designed to investigate the effect of metformin and folic acid on inflammatory factors and IR among obese children. MATERIALS AND METHODS: In this randomized, double-blind, controlled clinical trial study, sixty obese children aged 6-12 years were enrolled...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27900559/upregulated-tnf-expression-1%C3%A2-year-after-bariatric-surgery-reflects-a-cachexia-like-state-in-subcutaneous-adipose-tissue
#3
Alexander Jürets, Bianca Karla Itariu, Magdalena Keindl, Gerhard Prager, Felix Langer, Viktor Grablowitz, Maximilian Zeyda, Thomas Michael Stulnig
BACKGROUND: Adipose tissue dysfunction contributes to obesity-associated chronic diseases. In the first year after bariatric surgery, obese patients significantly improve their metabolic status upon losing weight. We aimed to investigate whether changes in subcutaneous adipose tissue gene expression reflect a restoration of a healthy lean phenotype after bariatric surgery. METHODS: Thirty-one severely obese patients (BMI ≥ 40 kg/m(2)) were examined before and after surgery...
November 29, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27895819/nutrition-insulin-resistance-and-dysfunctional-adipose-tissue-determine-the-different-components-of-metabolic-syndrome
#4
REVIEW
Juan Antonio Paniagua
Obesity is an excessive accumulation of body fat that may be harmful to health. Today, obesity is a major public health problem, affecting in greater or lesser proportion all demographic groups. Obesity is estimated by body mass index (BMI) in a clinical setting, but BMI reports neither body composition nor the location of excess body fat. Deaths from cardiovascular diseases, cancer and diabetes accounted for approximately 65% of all deaths, and adiposity and mainly abdominal adiposity are associated with all these disorders...
November 15, 2016: World Journal of Diabetes
https://www.readbyqxmd.com/read/27894971/aqueous-seed-extract-of-hunteria-umbellata-k-schum-hallier-f-apocynaceae-palliates-hyperglycemia-insulin-resistance-dyslipidemia-inflammation-and-oxidative-stress-in-high-fructose-diet-induced-metabolic-syndrome-in-rats
#5
T O Ajiboye, A A Hussaini, B Y Nafiu, O B Ibitoye
ETHNOPHARMACOLOGICAL RELEVANCE: Hunteria umbellata is used in the management and treatment of diabetes and obesity in Nigeria. This study evaluates the effect of aqueous seed extract of Hunteria umbellata on insulin resistance, dyslipidemia, inflammation and oxidative stress in high-fructose diet-induced metabolic syndrome. MATERIALS AND METHODS: Rats were randomized into seven groups (A-G). Control (group A) and group C rats received control diet for nine weeks while rats in groups B, D - G were placed on high-fructose diet for 9 weeks...
November 25, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27882346/epigenetic-regulation-of-macrophage-polarization-and-inflammation-by-dna-methylation-in-obesity
#6
Xianfeng Wang, Qiang Cao, Liqing Yu, Huidong Shi, Bingzhong Xue, Hang Shi
Obesity is associated with increased classically activated M1 adipose tissue macrophages (ATMs) and decreased alternatively activated M2 ATMs, both of which contribute to obesity-induced inflammation and insulin resistance. However, the underlying mechanism remains unclear. We find that inhibiting DNA methylation pharmacologically using 5-aza-2'-deoxycytidine or genetically by DNA methyltransferase 1 (DNMT1) deletion promotes alternative activation and suppresses inflammation in macrophages. Consistently, mice with myeloid DNMT1 deficiency exhibit enhanced macrophage alternative activation, suppressed macrophage inflammation, and are protected from obesity-induced inflammation and insulin resistance...
November 17, 2016: JCI Insight
https://www.readbyqxmd.com/read/27878229/glucagon-like-peptide-1-improves-insulin-resistance-in-vitro-through-anti-inflammation-of-macrophages
#7
C Guo, T Huang, A Chen, X Chen, L Wang, F Shen, X Gu
Glucagon-like peptide 1 (GLP-1), a kind of gut hormone, is used in the treatment of type 2 diabetes (T2D). Emerging evidence indicates that GLP-1 has anti-inflammatory activity. Chronic inflammation in the adipose tissue of obese individuals is a cause of insulin resistance and T2D. We hypothesized that GLP-1 analogue therapy in patients with T2D could suppress the inflammatory response of macrophages, and therefore inhibit insulin resistance. Our results showed that GLP-1 agonist (exendin-4) not only attenuated macrophage infiltration, but also inhibited the macrophage secretion of inflammatory cytokines including TNF-β, IL-6, and IL-1β...
November 21, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27878211/liraglutide-enhances-the-efficacy-of-human-mesenchymal-stem-cells-in-preserving-islet-%C3%AE-cell-function-in-severe-non-obese-diabetic-mice
#8
Li-Rong Li, Xiao-Lei Jia, Hui Hui, Jie Zhang, Ying Liu, Wei-Juan Cui, Qian-Yue Xu, Da-Long Zhu
Glucagon-like peptide 1 (GLP-1) can promote islet β-cell replication and function, and mesenchymal stem cells (MSCs) can inhibit T cell autoimmunity. This study aimed at testing the dynamic distribution of infused human MSCs and therapeutic effect of combined MSCs and Liraglutide, a long-acting GLP-1 analogue, on preserving β-cell function in severe non-obese diabetic (NOD) mice. We found that infused MSCs accumulated in the pancreas at 4 weeks post infusion, which was not affected by Liraglutide treatment...
November 17, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/27876064/melatonin-improves-non-alcoholic-fatty-liver-disease-via-mapk-jnk-p38-signaling-in-high-fat-diet-induced-obese-mice
#9
Hang Sun, Xingchun Wang, Jiaqi Chen, Kexiu Song, Aaron M Gusdon, Liang Li, Le Bu, Shen Qu
BACKGROUND: Melatonin can regulate lipid metabolism, increase insulin sensitivity, regulate glucose metabolism and reduce body weight. This study is aimed to determine the effects and mechanism of action of melatonin on non-alcoholic fatty liver disease (NAFLD) in high-fat-diet (HFD) induced obese mice. METHODS: NAFLD was induced by HFD in C57BL/6 mice. A total of 24 mice were randomly assigned to 4 groups. Groups A and B were fed with HFD for 36 weeks while groups C and D were fed with a regular diet (RD)...
November 23, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27867269/platyphylloside-isolated-from-betula-platyphylla-inhibit-adipocyte-differentiation-and-induce-lipolysis-via-regulating-adipokines-including-ppar%C3%AE-in-3t3-l1-cells
#10
Mina Lee, Sang Hyun Sung
BACKGROUND: Obesity causes or aggravates many health problems, both independently and in association with several pathological disorders, including Type II diabetes, hypertension, atherosclerosis, and cancer. Therefore, we screened small compounds isolated from natural products for the development of anti-obesity drugs. OBJECTIVE: The purpose of this study was to investigate the anti-adipogenic activities of platyphylloside, diarylheptanoid isolated from Betula platyphylla, which was selected based on the screening using 3T3-L1 cells...
October 2016: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/27864687/omega-3-fatty-acid-epa-improves-regenerative-capacity-of-mouse-skeletal-muscle-cells-exposed-to-saturated-fat-and-inflammation
#11
Amarjit Saini, Adam P Sharples, Nasser Al-Shanti, Claire E Stewart
Sarcopenic obesity is characterised by high fat mass, low muscle mass and an elevated inflammatory environmental milieu. We therefore investigated the effects of elevated inflammatory cytokine TNF-α (aging/obesity) and saturated fatty acid, palmitate (obesity) on skeletal muscle cells in the presence/absence of EPA, a-3 polyunsaturated fatty acid with proposed anti-inflammatory, anti-obesity activities. In the present study we show that palmitate was lipotoxic, inducing high levels of cell death and blocking myotube formation...
November 18, 2016: Biogerontology
https://www.readbyqxmd.com/read/27864335/effects-of-maternal-obesity-on-placental-function-and-fetal-development
#12
Kristy R Howell, Theresa Powell
Obesity has reached epidemic proportions and pregnancies in obese mothers have increased risk for complications including gestational diabetes, hypertensive disorders, preterm birth and caesarian section. Children born to obese mothers are at increased risk of obesity and metabolic disease and are susceptible to develop neuropsychiatric and cognitive disorders. Changes in placental function not only play a critical role in the development of pregnancy complications but may also be involved in linking maternal obesity to long-term health risks in the infant...
November 18, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27861126/gut-microbiota-influences-pathological-angiogenesis-in-obesity-driven-choroidal-neovascularization
#13
Elisabeth Mma Andriessen, Ariel M Wilson, Gaelle Mawambo, Agnieszka Dejda, Khalil Miloudi, Florian Sennlaub, Przemyslaw Sapieha
Age-related macular degeneration in its neovascular form (NV AMD) is the leading cause of vision loss among adults above the age of 60. Epidemiological data suggest that in men, overall abdominal obesity is the second most important environmental risk factor after smoking for progression to late-stage NV AMD To date, the mechanisms that underscore this observation remain ill-defined. Given the impact of high-fat diets on gut microbiota, we investigated whether commensal microbes influence the evolution of AMD Using mouse models of NV AMD, microbiotal transplants, and other paradigms that modify the gut microbiome, we uncoupled weight gain from confounding factors and demonstrate that high-fat diets exacerbate choroidal neovascularization (CNV) by altering gut microbiota...
November 15, 2016: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/27852664/long-term-protective-changes-in-adipose-tissue-after-gastric-bypass
#14
Johan Hoffstedt, Daniel P Andersson, Daniel Eriksson Hogling, Jakob Theorell, Erik Näslund, Anders Thorell, Anna Ehrlund, Mikael Rydén, Peter Arner
OBJECTIVE: Although long-term weight regain may occur after bariatric surgery, many patients are protected against relapse or development of type 2 diabetes. The study objective was to investigate whether this involves beneficial changes in adipose function. RESEARCH DESIGN AND METHODS: Forty-nine obese women were investigated before and 2 and 5 years after Roux-en-Y gastric bypass (RYGB). At the 5-year follow-up, 30 subjects were pairwise matched for BMI and age to 30 control women...
November 16, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27846925/consumption-of-energy-dense-diets-in-relation-to-metabolic-syndrome-and-inflammatory-markers-in-iranian-female-nurses
#15
Leila Azadbakht, Fahimeh Haghighatdoost, Ammar Hassanzadeh Keshteli, Bagher Larijani, Ahmad Esmaillzadeh
OBJECTIVE: To examine the relationship between dietary energy density (DED) and risk of metabolic syndrome (MetS), its components and inflammatory markers. DESIGN: Cross-sectional study. Dietary intakes were assessed using a validated dish-based semi-quantitative FFQ. DED was calculated by dividing energy intake (kcal/d) by the total weight of foods only (g/d). MetS was defined based on the National Cholesterol Education Program Adult Treatment Panel III criteria...
November 16, 2016: Public Health Nutrition
https://www.readbyqxmd.com/read/27845246/palmitate-promotes-inflammatory-responses-and-cellular-senescence-in-cardiac-fibroblasts
#16
Marina Sokolova, Leif Erik Vinge, Katrine Alfsnes, Maria Belland Olsen, Lars Eide, Ole Jørgen Kaasbøll, Håvard Attramadal, May-Kristin Torp, Linn E Fosshaug, Azita Rashidi, Egil Lien, Alexandra Vanessa Finsen, Øystein Sandanger, Pål Aukrust, Trine Ranheim, Arne Yndestad
Palmitate triggers inflammatory responses in several cell types, but its effects on cardiac fibroblasts are at present unknown. The aims of the study were to (1) assess the potential of palmitate to promote inflammatory signaling in cardiac fibroblasts through TLR4 and the NLRP3 inflammasome and (2) characterize the cellular phenotype of cardiac fibroblasts exposed to palmitate. We examined whether palmitate induces inflammatory responses in cardiac fibroblasts from WT, NLRP3(-/-) and ASC(-/-)mice (C57BL/6 background)...
November 12, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27843953/considerations-for-defining-cytokine-dose-duration-and-milieu-that-are-appropriate-for-modeling-chronic-low-grade-inflammation-in-type-2-diabetes
#17
REVIEW
Craig S Nunemaker
Proinflammatory cytokines have been implicated in the pathophysiology of both type 1 diabetes (T1D) and type 2 diabetes (T2D). T1D is an autoimmune disease involving the adaptive immune system responding to pancreatic beta-cells as antigen-presenting cells. This attracts immune cells that surround pancreatic islets (insulitis) and secrete cytokines, such as IL-1beta, IFN-gamma, and TNF-alpha, in close proximity to pancreatic beta-cells. In contrast, there is little evidence for such a focused autoimmune response in T2D...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27843299/fenretinide-inhibits-macrophage-inflammatory-mediators-and-controls-hypertension-in-spontaneously-hypertensive-rats-via-the-peroxisome-proliferator-activated-receptor-gamma-pathway
#18
Ching-Han Lin, Shang-Yu Lee, Chun-Cheng Zhang, Ye-Fong Du, Hao-Chang Hung, Hung-Tsung Wu, Horng-Yih Ou
Fenretinide is a novel anticancer agent reported to exhibit anti-invasive and antimetastatic activities. It has also been shown to improve obesity and diabetes, although the effects of fenretinide on hypertension are still unknown, and the detailed mechanisms remain unclear. In this study, we have shown that treatment with lipopolysaccharide (LPS) decreased the expression of peroxisome proliferator-activated receptor γ (PPARγ) in RAW264.7 macrophages, and pretreatment with fenretinide reversed the effect of LPS on PPARγ expression...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27829136/gal3-links-inflammation-and-insulin-resistance
#19
Marie Siwicki, Camilla Engblom, Mikael J Pittet
The connection between obesity-induced insulin resistance and inflammation is established, but targeting inflammatory mediators like TNF-α and IL-1β have had limited success improving insulin sensitivity in patients. Now, Li et al. (2016) indicate that galectin-3 could be a targetable link between inflammation and insulin sensitivity.
November 8, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/27827474/the-prothrombotic-state-associated-with-obesity-induced-hypertension-is-reduced-by-cocoa-and-its-main-flavanols
#20
G M Rabadán-Chávez, E Reyes-Maldonado, L Quevedo-Corona, N Paniagua-Castro, G Escalona-Cardoso, M E Jaramillo-Flores
BACKGROUND: Little is known about the effects of cocoa and its main flavanols on the prothrombotic state associated with the development of hypertension in diet-induced obesity models. PURPOSE: To evaluate the effects of cocoa powder, cocoa extract and their main flavanols on plasma biomarkers related to impaired coagulation and fibrinolysis and its association with hypertension and obesity-related metabolic disorders in rats fed a hypercaloric diet. METHODS: Male Wistar rats were randomly assigned to 7 treatment groups (n = 7): normal diet (ND); hypercaloric diet control group (HCD); HCD + cocoa powder (CO); HCD + cocoa extract (CO-EX); HCD + (-)-epicatechin (EPI); HCD + (+)-catechin (CAT); and HCD + procyanidin B2 (PB2)...
November 9, 2016: Food & Function
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