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https://www.readbyqxmd.com/read/29149454/melatonin-alleviates-adipose-inflammation-through-elevating-%C3%AE-ketoglutarate-and-diverting-adipose-derived-exosomes-to-macrophages-in-mice
#1
Zhenjiang Liu, Lu Gan, Tiantian Zhang, Qian Ren, Chao Sun
Obesity is associated with macrophage infiltration and metabolic inflammation, both of which promote metabolic disease progression. Melatonin is reported to possess anti-inflammatory properties by inhibiting inflammatory response of adipocytes and macrophages activation. However, the effects of melatonin on the communication between adipocytes and macrophages during adipose inflammation remain elusive. Here, we demonstrated melatonin alleviated inflammation and elevated α-ketoglutarate (αKG) level in adipose tissue of obese mice...
November 17, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/29149029/kappaphycus-alvarezii-as-a-food-supplement-prevents-diet-induced-metabolic-syndrome-in-rats
#2
Stephen Wanyonyi, Ryan du Preez, Lindsay Brown, Nicholas A Paul, Sunil K Panchal
The red seaweed, Kappaphycus alvarezii, was evaluated for its potential to prevent signs of metabolic syndrome through use as a whole food supplement. Major biochemical components of dried Kappaphycus are carrageenan (soluble fiber ~34.6%) and salt (predominantly potassium (K) 20%) with a low overall energy content for whole seaweed. Eight to nine week old male Wistar rats were randomly divided into three groups and fed for 8 weeks on a corn starch diet, a high-carbohydrate, high-fat (H) diet, alone or supplemented with a 5% (w/w) dried and milled Kappaphycus blended into the base diet...
November 17, 2017: Nutrients
https://www.readbyqxmd.com/read/29148957/aerobic-exercise-training-performed-by-parents-reduces-mice-offspring-adiposity
#3
Paulo Vitor da Silva Romero, Débora Alves Guariglia, Francielli Ferreira Da Rocha, Caroline de Carvalho Picoli, Gustavo Renan Gilio, Gabriel Sergio Fabricio, Paulo Cesar de Freitas Mathias, Solange Marta Franzói de Moraes, Sidney Barnabé Peres
The present study aimed to determine the effects of physical training performed by parents on mice offspring adiposity. Male and female parents underwent an aerobic training protocol for 7 weeks. The trained and sedentary parents were allowed to mate and the resultant offspring divided in: S (Offspring from Sedentary Parents), T (Offspring from Trained Parents), ST (Offspring from Sedentary Father and Trained Mother) and TS (Offspring from Trained Father and Sedentary Mother). After weaning, offspring was euthanized, blood collected and samples of mesenteric and inguinal fat pads used to isolate adipocytes for morphologic and histological analyses...
November 17, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29148120/mapping-brown-adipose-tissue-based-on-fat-water-fraction-provided-by-z-spectral-imaging
#4
Alessandro Scotti, Rong-Wen Tain, Weiguo Li, Victoria Gil, Chong Wee Liew, Kejia Cai
BACKGROUND: Brown adipose tissue (BAT) has a great relevance in metabolic diseases and has been shown to be reduced in obesity and insulin resistance patients. Currently, Dixon MRI is used to calculate fat-water fraction (FWF) and differentiate BAT from white adipose tissue (WAT). However, it may fail in areas of phase wrapping and introduce fat-water swapping artifacts. PURPOSE: To investigate the capacity of the Z-spectrum imaging (ZSI) for the identification of BAT in vivo...
November 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29147909/the-role-of-the-antioxidant-protein-dj-1-in-type-2-diabetes-mellitus
#5
Daniel Eberhard, Eckhard Lammert
Type 2 diabetes mellitus (T2DM) is a worldwide escalating health disorder resulting from insulin resistance and functional loss of insulin-producing beta cells that finally cause chronically elevated blood glucose concentrations. Here we review the role of ubiquitously expressed antioxidant protein DJ-1 in the pathogenesis of T2DM. In beta cells, DJ-1 protects against oxidative stress, endoplasmic reticulum stress, and streptozotocin- and cytokine-induced stress and preserves beta cell viability and insulin secretion...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29146190/newly-developed-selective-immunoinactivation-assay-revealed-reduction-in-adipose-triglyceride-lipase-activity-in-peripheral-leucocytes-from-patients-with-idiopathic-triglyceride-deposit-cardiomyovasculopathy
#6
Atsuko Takagi, Yasuyuki Ikeda, Kunihisa Kobayashi, Kazuhiro Kobayashi, Yoshihiko Ikeda, Junji Kozawa, Hideyuki Miyauchi, Ming Li, Chikako Hashimoto, Yasuhiro Hara, Satoshi Yamaguchi, Akira Suzuki, Tatsushi Toda, Hironori Nagasaka, Ken-Ichi Hirano
Triglyceride deposit cardiomyovasculopathy (TGCV) is a rare and newly identified disease among patients requiring cardiac transplantation. TGCV is characterized by cardiomyocyte steatosis and triglyceride (TG)-deposit atherosclerosis, resulting from the abnormal intracellular metabolism of TG. TGCV is classified into primary and idiopathic types. Primary TGCV carries ultra-rare genetic mutations in the adipose triglyceride lipase (ATGL), a rate-liming enzyme that hydrolyzes intracellular TG in adipose and non-adipose tissues...
November 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29146142/visceral-adiposity-index-as-a-predictor-of-chronic-kidney-disease-in-a-relatively-healthy-population-in-taiwan
#7
Yi-Chuan Chen, Shih-Han Lai, Yi-Wen Tsai, Shy-Shin Chang
OBJECTIVES: Abdominal obesity is an independent risk factor for cardiovascular disease and chronic kidney disease (CKD). Visceral adiposity index (VAI), a simple formula representing visceral adipose dysfunction, has already been proven to have a strong correlation with various cardiometabolic disorders. Limited studies are available regarding the relationship between VAI and renal function decline. Therefore, the purpose of this study was to evaluate the relationship between VAI and renal function and to estimate the risk of chronic kidney disease in a relatively healthy adult population in Taiwan...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29145892/association-between-plasma-phospholipid-saturated-fatty-acids-and-metabolic-markers-of-lipid-hepatic-inflammation-and-glycaemic-pathways-in-eight-european-countries-a-cross-sectional-analysis-in-the-epic-interact-study
#8
Ju-Sheng Zheng, Stephen J Sharp, Fumiaki Imamura, Albert Koulman, Matthias B Schulze, Zheng Ye, Jules Griffin, Marcela Guevara, José María Huerta, Janine Kröger, Ivonne Sluijs, Antonio Agudo, Aurelio Barricarte, Heiner Boeing, Sandra Colorado-Yohar, Courtney Dow, Miren Dorronsoro, Pia T Dinesen, Guy Fagherazzi, Paul W Franks, Edith J M Feskens, Tilman Kühn, Verena Andrea Katzke, Timothy J Key, Kay-Tee Khaw, Maria Santucci de Magistris, Francesca Romana Mancini, Elena Molina-Portillo, Peter M Nilsson, Anja Olsen, Kim Overvad, Domenico Palli, Jose Ramón Quirós, Olov Rolandsson, Fulvio Ricceri, Annemieke M W Spijkerman, Nadia Slimani, Giovanna Tagliabue, Anne Tjonneland, Rosario Tumino, Yvonne T van der Schouw, Claudia Langenberg, Elio Riboli, Nita G Forouhi, Nicholas J Wareham
BACKGROUND: Accumulating evidence suggests that individual circulating saturated fatty acids (SFAs) are heterogeneous in their associations with cardio-metabolic diseases, but evidence about associations of SFAs with metabolic markers of different pathogenic pathways is limited. We aimed to examine the associations between plasma phospholipid SFAs and the metabolic markers of lipid, hepatic, glycaemic and inflammation pathways. METHODS: We measured nine individual plasma phospholipid SFAs and derived three SFA groups (odd-chain: C15:0 + C17:0, even-chain: C14:0 + C16:0 + C18:0, and very-long-chain: C20:0 + C22:0 + C23:0 + C24:0) in individuals from the subcohort of the European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct case-cohort study across eight European countries...
November 17, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29145541/variations-in-adipor1-but-not-adipor2-are-associated-with-hypertriglyceridemia-and-diabetes-in-an-admixed-latin-american-population
#9
Gustavo Gustavo Mora-García, María S Ruiz-Díaz, Fabian Espitia-Almeida, Doris Gómez-Camargo
BACKGROUND: Adiponectin is a hormone secreted by adipose tissue. It regulates glycolysis and lipolysis and is involved in the pathophysiology of diabetes and related disorders. Its activity is mainly mediated by the transmembrane receptors AdipoR1 and AdipoR2, which are encoded by ADIPOR1 (1q32.1) and ADIPOR2 (12p13.33) genes, respectively. In genetic association studies, single nucleotide polymorphisms (SNPs) in or near these genes have been associated with metabolic alterations. However, these relationships are still controversial...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29145068/anorexigenic-effects-induced-by-rvd-hemopressin-%C3%AE-administration
#10
Claudio Ferrante, Lucia Recinella, Sheila Leone, Annalisa Chiavaroli, Chiara Di Nisio, Sara Martinotti, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: Hemopressin, VD-hemopressin(α) and RVD-hemopressin(α) are hemoglobin α chain derived-peptides which have been found in mouse brain, and where they modulate cannabinoid (CB) receptor function. The nonapeptide hemopressin has been reported to inhibit feeding after both central and peripheral administration, possibly playing a role of antagonist/inverse agonist of CB1 receptors, and consequently blocking the orexigenic effects of endogenous cannabinoids. VD-hemopressin(α) and RVD- hemopressin(α), are N-terminal extended forms of hemopressin...
June 3, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29145026/lc-ms-ms-quantification-of-felinine-metabolites-in-tissues-fluids-and-excretions-from-the-domestic-cat-felis-catus
#11
Ayami Futsuta, Wataru Hojo, Tamako Miyazaki, Tetsuro Yamashita, Masao Miyazaki
Domestic cat urine contains large concentrations of the unusual amino acid, felinine (2-amino-7-hydroxy-5,5-dimethyl-4-thiaheptanoic acid). A felinine derivative, 3-mercapt-3-methylbutanol is a potential scent signal for letting other animals know that the scent owners are cats. 3-Methylbutanol-glutathione (MBG) is an upstream precursor of the biosynthetic pathway of felinine that may be produced in hepatocytes by conjugation of glutathione with isopentenyl pyrophosphate, an intermediate for cholesterol biosynthesis...
November 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29144959/induction-of-innervation-by-encapsulated-adipocytes-with-engineered-vitamin-a-metabolism
#12
Q Shen, R Yasmeen, J Marbourg, L Xu, J L Yu, P Fadda, A Flechtner, L J Lee, P G Popovich, O Ziouzenkova
Innervation is a fundamental basis for function and survival of tissues. In the peripheral tissues, degenerative diseases create a neurotoxic metabolic milieu that either causes neurodegeneration or fails to sustain regenerative growth and reinnervation of injured/diseased tissues. Encapsulation of cells producing neurotrophic factors can augment axon growth and neuron survival; however, sustained innervation in vivo requires a combination of factors promoting axon growth and guidance pathway that are released in a tissue-specific context...
October 28, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29144802/lipid-accumulation-product-visceral-adiposity-index-and-chinese-visceral-adiposity-index-as-markers-of-cardiometabolic-risk-in-adult-growth-hormone-deficiency-patients-a-cross-sectional-study
#13
Xin Xie, Qing Li, Lingmin Zhang, Wei Ren
OBJECTIVE: Adult growth hormone deficiency (AGHD) is associated with cardiometabolic risk factors. Given that cardiovascular disease (CVD) is an important cause of morbidity and mortality in the AGHD population, there is a need for alternative, non-invasive methods of assessing cardiometabolic risk in this population. Chinese visceral adiposity index (CVAI) is a new marker of visceral fat dysfunction that is based on age, body mass index (BMI), waist circumference (WC) and metabolic parameters...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29143783/metformin-potentiates-the-benefits-of-dietary-restraint-a-metabolomic-study
#14
Marta Riera-Borrull, Anabel García-Heredia, Salvador Fernández-Arroyo, Anna Hernández-Aguilera, Noemí Cabré, Elisabet Cuyàs, Fedra Luciano-Mateo, Jordi Camps, Javier A Menendez, Jorge Joven
Prevention of the metabolic consequences of a chronic energy-dense/high-fat diet (HFD) represents a public health priority. Metformin is a strong candidate to be incorporated in alternative therapeutic approaches. We used a targeted metabolomic approach to assess changes related to the multi-faceted metabolic disturbances provoked by HFD. We evaluated the protective effects of metformin and explored how pro-inflammatory and metabolic changes respond when mice rendered obese, glucose-intolerant and hyperlipidemic were switched to diet reversal with or without metformin...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29142285/blockade-of-cb1-cannabinoid-receptor-alters-gut-microbiota-and-attenuates-inflammation-and-diet-induced-obesity
#15
Pegah Mehrpouya-Bahrami, Kumaraswamy Naidu Chitrala, Mitra S Ganewatta, Chuanbing Tang, E Angela Murphy, Reilly T Enos, Kandy T Velazquez, Jamie McCellan, Mitzi Nagarkatti, Prakash Nagarkatti
Obesity is characterized by chronic low-grade, systemic inflammation, altered gut microbiota, and gut barrier disruption. Additionally, obesity is associated with increased activity of endocannabinoid system (eCB). However, the clear connection between gut microbiota and the eCB system in the regulation of energy homeostasis and adipose tissue inflammation and metabolism, remains to be established. We investigated the effect of treatment of mice with a cannabinoid receptor 1 (CB1) antagonist on Diet-Induced Obesity (DIO), specifically whether such a treatment that blocks endocannabinoid activity can induce changes in gut microbiota and anti-inflammatory state in adipose tissue...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142243/genetic-risk-scores-for-body-fat-distribution-attenuate-weight-loss-in-women-during-dietary-intervention
#16
M Svendstrup, K H Allin, T I A Sørensen, T H Hansen, N Grarup, T Hansen, H Vestergaard
BACKGROUND AND AIM: The well-established link between body fat distribution and metabolic health has been suggested to act through an impact on the remodeling capacity of the adipose tissue. Remodeling of the adipose tissue has been shown to affect body fat distribution and might affect the ability to lose weight. We aimed to study the effect of weighted genetic risk scores (GRSs) on weight loss based on single-nucleotide polymorphisms (SNPs) associated with waist-hip-ratio adjusted for body mass index (WHRadjBMI)...
November 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29142011/effect-of-distinct-lifestyle-interventions-on-mobilization-of-fat-storage-pools-the-central-mri-randomized-controlled-trial
#17
Yftach Gepner, Ilan Shelef, Dan Schwarzfuchs, Hila Zelicha, Lilac Tene, Anat Yaskolka Meir, Gal Tsaban, Noa Cohen, Nitzan Bril, Michal Rein, Dana Serfaty, Shira Kenigsbuch, Oded Komy, Arik Wolak, Yoash Chassidim, Rachel Golan, Hilla Avni-Hassid, Avital Bilitzky, Benjamin Sarusi, Eyal Goshen, Elad Shemesh, Yaakov Henkin, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Uta Ceglarek, Assaf Rudich, Meir J Stampfer, Iris Shai
Background -We aimed to assess whether distinct lifestyle strategies can differentially affect specific body adipose depots. Methods -We performed an eighteen-month randomized controlled trial among 278 sedentary adults with abdominal obesity (75%) or dyslipidemia in an isolated workplace with a monitored provided lunch. Participants were randomized to iso-caloric low-fat (LF) or Mediterranean/low-carbohydrate (MED/LC) diet+28g walnuts/day with/without added moderate physical activity (PA;80% aerobic; supervised/free gym membership)...
November 15, 2017: Circulation
https://www.readbyqxmd.com/read/29141998/vanillic-acid-attenuates-obesity-via-activation-of-the-ampk-pathway-and-thermogenic-factors-in-vivo-and-in-vitro
#18
Yunu Jung, Jinbong Park, Hye-Lin Kim, Jung-Eun Sim, Dong-Hyun Youn, JongWook Kang, Seona Lim, Mi-Young Jeong, Woong Mo Yang, Seok-Geun Lee, Kwang Seok Ahn, Jae-Young Um
Energy expenditure is a target gaining recent interest for obesity treatment. The antiobesity effect of vanillic acid (VA), a well-known flavoring agent, was investigated in vivo and in vitro High-fat diet (HFD)-induced obese mice and genetically obese db/db mice showed significantly decreased body weights after VA administration. Two major adipogenic markers, peroxisome proliferator activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα), were reduced while the key factor of energy metabolism, AMPKα, was increased in the white adipose tissue and liver tissue of VA-treated mice...
November 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29141982/a-partial-loss-of-function-variant-in-akt2-is-associated-with-reduced-insulin-mediated-glucose-uptake-in-multiple-insulin-sensitive-tissues-a-genotype-based-callback-positron-emission-tomography-study
#19
Aino Latva-Rasku, Miikka-Juhani Honka, Alena Stančáková, Heikki A Koistinen, Johanna Kuusisto, Li Guan, Alisa K Manning, Heather Stringham, Anna L Gloyn, Cecilia M Lindgren, Francis S Collins, Karen L Mohlke, Laura J Scott, Tomi Karjalainen, Lauri Nummenmaa, Michael Boehnke, Pirjo Nuutila, Markku Laakso
Rare fully penetrant mutations in AKT2 are an established cause of monogenic disorders of glucose metabolism. Recently, a novel partial loss-of-function AKT2 coding variant (p.Pro50Thr) was identified that is nearly specific to Finns (frequency 1.1%), with the low-frequency allele associated with an increase in fasting plasma insulin level and risk of type 2 diabetes. The effects of p.Pro50Thr on insulin-stimulated glucose uptake (GU) in the whole body and in different tissues have not previously been investigated...
November 15, 2017: Diabetes
https://www.readbyqxmd.com/read/29141038/depot-specific-inflammation-with-decreased-expression-of-atm2-in-white-adipose-tissues-induced-by-high-margarine-lard-intake
#20
Nannan Wang, Jie Guo, Fuding Liu, Mingxia Wang, Chuntao Li, Lihong Jia, Lingling Zhai, Wei Wei, Yinglong Bai
A high-fat diet has been recognized as an important risk factor of obesity, with variable impacts of different fatty acid compositions on the physiological process. To understand the effects of a high-margarine/lard diet, which is a major source of trans fatty acids (TFAs)/ saturated fatty acids (SFAs), elaidic acid as a biomarker of margarine intake was used to screen affected adipokines on mature human adipocytes in vitro. Weaned male Wistar rats were fed a high-fat diet enriched with margarine/lard to generate obesity-prone (OP) and obesity-resistant (OR) models, which were then used to explore the inflammatory responses of depot-specific white adipose tissue...
2017: PloS One
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