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Adipocytokines

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https://www.readbyqxmd.com/read/29341420/transgenic-mice-specifically-expressing-amphiregulin-in-white-adipose-tissue-showed-less-adipose-tissue-mass
#1
Bo Yang, Takahiro Kumoto, Takeshi Arima, Minako Nakamura, Yohei Sanada, Thanutchaporn Kumrungsee, Yusuke Sotomaru, Masayuki Shimada, Noriyuki Yanaka
To determine adipocytokines that play a regulatory role during obesity development, we explored the genes that encode growth factors and investigated the physiological functions for adipose tissue development. Here, we isolated amphiregulin (Areg) gene whose expression was significantly up-regulated in obese adipose tissues. Areg mRNA level was positively correlated with macrophage marker gene expression in adipose tissues in vivo. Unexpectedly, Areg transgenic mice showed less adipose tissue mass with increased mRNA expression levels of Tnf-α and peroxisome proliferator-activated receptor γ coactivator 1α (Pgc-1α) and delayed white adipose tissue development during the convalescent stage in a dextran sodium sulfate-induced colitis model...
January 17, 2018: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/29332012/classical-adiponectin-leptin-resistin-and-new-chemerin-vaspin-omentin-adipocytokines-in-patients-with-prediabetes
#2
Antoaneta Gateva, Yavor Assyov, Adelina Tsakova, Zdravko Kamenov
Background In the last decade, there has been an increased interest toward fat tissue as an endocrine organ that secretes many cytokines and bioactive mediators that play a role in insulin sensitivity, inflammation, coagulation and the pathogenesis of atherosclerosis. The aim of this study was to investigate classical (adiponectin, leptin, resistin) and new (chemerin, vaspin, omentin) adipocytokine levels in subjects with prediabetes [impaired fasting glucose (IFG) and/or impaired glucose tolerance (IGT)] and obese subjects with normoglycemia...
January 15, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29329827/effect-of-serum-adiponectin-levels-on-the-association-between-childhood-body-mass-index-and-adulthood-carotid-intima-media-thickness
#3
Yang Du, Tao Zhang, Dianjianyi Sun, Changwei Li, Lydia Bazzano, Lu Qi, Marie Krousel-Wood, Jiang He, Paul K Whelton, Wei Chen, Shengxu Li
Childhood obesity predicts adult cardiovascular risk. We hypothesized that the association between childhood body mass index (BMI) and adult carotid intima-media thickness (CIMT) may be modified by levels of adiponectin, an adipocytokine that connects body fatness with cardiovascular risk. The study sample included 1,052 adults (71% white and 29% black, 57% female) aged 23.8 to 43.5 years who were previously examined as children in the Bogalusa Heart Study cohort, with an average follow-up period of 26.5 (range 14...
December 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29328372/differential-microrna-expression-profiles-and-bioinformatics-analysis-between-young-and-aging-spontaneously-hypertensive-rats
#4
Jingfeng Wang, Jingjing Zhang, Xuefeng Ding, Yanyan Wang, Zhiming Li, Weipeng Zhao, Jianguo Jia, Jingmin Zhou, Junbo Ge
MicroRNAs (miRNAs/miRs) serve a role as important regulators in cardiac hypertrophy. The present study aimed to reveal the differential expression profile of miRNAs between young and aging spontaneously hypertensive rats (SHRs) and studied the functional annotation of predicted targets. Briefly, 3‑month‑old and 12‑month‑old SHRs (n=3/group) were subjected to echocardiography, histopathological analysis and dihydroethidium staining. Subsequently, small RNA sequencing and data processing was conducted to identify the differentially expressed miRNAs between these two groups...
January 9, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29325128/relationship-between-twelve-adipocytokines-and-distinct-components-of-the-metabolic-syndrome
#5
Thomas Ebert, Claudia Gebhardt, Markus Scholz, Tobias Wohland, Dorit Schleinitz, Mathias Fasshauer, Matthias Blüher, Michael Stumvoll, Peter Kovacs, Anke Tönjes
Objective: Adipose tissue-derived signals potentially link obesity and adipose tissue dysfunction with metabolic and cardiovascular diseases. Although some adipocytokines have been closely related to metabolic and cardiovascular traits, it remains open which adipocytokine or adipocytokine cluster serve as meaningful marker of metabolic syndrome (MS) components. Therefore, this study investigates the associations of twelve adipocytokines with components of the MS to identify the most relevant cytokines potentially related to specific metabolic profiles...
January 9, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29322684/non-surgical-periodontal-therapy-reduces-salivary-adipocytokines-in-chronic-periodontitis-patients-with-and-without-obesity
#6
Nawwaf Al-Hamoudi, Tariq Abduljabbar, Sana Mirza, Zeyad H Al-Sowygh, Fahim Vohra, Fawad Javed, Zohaib Akram
AIM: The aim of the present study was to assess the effect of scaling and root planing (SRP) on periodontal parameters and whole salivary resistin and interleukin (IL)-6 levels in chronic periodontitis (CP) patients with and without obesity. METHODS: Participants were divided into two groups; group 1 included obese and non-obese individuals with CP; and group 2 included obese and non-obese individuals without CP. In both groups, bleeding on probing (BOP) and probing depth (PD) ≥4 mm and whole salivary resistin and IL-6 levels were measured using enzyme-linked immunosorbent assay at baseline and 6 months after SRP...
January 10, 2018: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/29313574/a-study-of-genetic-markers-in-patients-of-rheumatoid-arthritis-and-their-co-relation-with-severity-of-the-disease
#7
Gauri Liyakat Ali, Suman Kapur, Sai Chinmayi, Qadir Fatima, Harshal Pise, Asim Khan, Ambreen Liyakat, V Jilova, Urvashi Dube
Introduction: Dyslipidemia has been reported to attribute to early death due to increased atherosclerosis leading to CVDs in patients with RA. Recent reports have suggested a role of adipocytokines in mediating joint damage rheumatoid arthritis (RA). RA has long been associated with increased cardiovascular risk as atherosclerosis is more prevalent in patients of RA than in the general population. Specific alleles of APOE gene have been reported to be associated with risk for atherosclerosis and LEP gene alleles have been associated with increased BMI...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29306967/identification-of-tarsal-less-peptides-from-the-silkworm-bombyx-mori
#8
Guangli Cao, Yongchang Gong, Xiaolong Hu, Min Zhu, Zi Liang, Lixu Huang, Lei Yu, Jian Xu, Kun Li, Mian Sahib Zar, Renyu Xue, Chengliang Gong
The polycistronic and non-canonical gene tarsal-less (tal, known as pri) was reported to be required for embryonic and imaginal development in Drosophila; however, there are few reports of the tal gene in the silkworm Bombyx mori. Here, we cloned a tal-like (Bmtal) gene, and a sequence analysis showed that the Bmtal cDNA (1661 bp) contains five small open reading frames (smORFs) (A1, A2, A3, A4, and B) that encode short peptides of 11-12 (A1-A4) amino acid residues containing an LDPTG(E)L(Q)(V)Y motif that is conserved in Drosophila Tal, as well as a 32-amino-acid B peptide...
January 6, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29305337/serum-adiponectin-levels-predict-acute-coronary-syndrome-acs-in-patients-with-severe-carotid-stenosis
#9
Luca Liberale, Federico Carbone, Maria Bertolotto, Aldo Bonaventura, Alessandra Vecchié, François Mach, Fabienne Burger, Aldo Pende, Giovanni Spinella, Bianca Pane, Domenico Palombo, Franco Dallegri, Fabrizio Montecucco
As endocrine organ, adipose tissue may modulate inflammatory response by releasing a wide range of mediators, known as adipocytokines. Due to the complex balance between pro- and anti-inflammatory activity their pathophysiological and prognostic role in cardiovascular (CV) diseases still remains debated. Here, we consider the potential associations of circulating adipocytokines adiponectin, leptin and their ratio (LAR), with metabolic and inflammatory profiles in 217 patients with severe carotid stenosis. A prospective analysis investigating their predictive role toward acute coronary syndromes (ACS) was also drawn over a 12-month follow-up period...
January 2, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29273469/circulating-triacylglycerols-but-not-pancreatic-fat-associate-with-insulin-secretion-in-healthy-humans
#10
Bettina Nowotny, Sabine Kahl, Birgit Klüppelholz, Barbara Hoffmann, Guido Giani, Roshan Livingstone, Peter J Nowotny, Valerie Stamm, Christian Herder, Andrea Tura, Giovanni Pacini, Jong-Hee Hwang, Michael Roden
BACKGROUND: Loss of adequate insulin secretion for the prevailing insulin resistance is critical for the development of type 2 diabetes and has been suggested to result from circulating lipids (triacylglycerols [TG] or free fatty acids) and/or adipocytokines or from ectopic lipid storage in the pancreas. This study aimed to address whether circulating lipids, adipocytokines or pancreatic fat primarily associate with lower insulin secretion. SUBJECTS/METHODS: Nondiabetic persons (n=73), recruited from the general population, underwent clinical examinations, fasting blood drawing to measure TG and adipocytokines and oral glucose tolerance testing (OGTT) to assess basal and dynamic insulin secretion and sensitivity indices...
December 19, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29273198/enlarged-adipocytes-in-subcutaneous-adipose-tissue-associated-to-hyperandrogenism-and-visceral-adipose-tissue-volume-in-women-with-polycystic-ovary-syndrome
#11
Bárbara Echiburú, Francisco Pérez-Bravo, José E Galgani, Daniel Sandoval, Carolina Saldías, Nicolás Crisosto, Manuel Maliqueo, Teresa Sir-Petermann
CONTEXT: Polycystic ovary syndrome (PCOS) is an androgen excess disorder associated with obesity and adipose tissue disturbances. Our aim was to evaluate gene expression of adipocytokines and adipocyte characteristics in abdominal subcutaneous adipose tissue (SAT) of PCOS women. DESIGN: Twelve PCOS (PCOSw) and 12 control (Cw) premenopausal women (BMI 20-35 kg/m2) were included, with measurements of whole-body composition assessed by dual-energy X-ray absorptiometry, and abdominal subcutaneous and visceral adipose tissue (VAT) volume, by magnetic resonance imaging...
February 2018: Steroids
https://www.readbyqxmd.com/read/29260910/the-association-between-the-fto-rs9939609-variant-and-malignant-pleural-mesothelioma-risk-a-case-control-study
#12
Mina S Khella, Ahmed M Salem, Omar Abdel-Rahman, Amr S Saad
AIMS: Despite the established link between malignant pleural mesothelioma (MPM) and asbestos exposure, genetic risk factors may play a key role in MPM pathogenesis. The rs9939609 polymorphism in the FTO gene has recently been implicated as a risk factor for some types of cancer, such as breast, pancreatic, and prostate cancers. FTO variation is associated with altered adipocytokine expression and oxidative stress inflammation, which may influence asbestos mediated-carcinogenesis. This is the first study to investigate a possible association between this polymorphism and MPM risk...
December 20, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29248832/polyphenol-rich-ethyl-acetate-fraction-isolated-from-molineria-latifolia-ameliorates-insulin-resistance-in-experimental-diabetic-rats-via-irs1-akt-activation
#13
Der Jiun Ooi, Hadiza Altine Adamu, Mustapha Umar Imam, Hairuszah Ithnin, Maznah Ismail
This study aimed to evaluate the effect of ethyl acetate fraction (EAF) isolated from Molineria latifolia rhizome as dietary interventions for type 2 diabetes mellitus (T2DM) and its underlying molecular mechanisms in vivo. Experimental rats were induced by high fat diet feeding coupled with combined exposure to streptozotocin and nicotinamide. Treatment with EAF improved glucose tolerance and lipid profiles, but the insulin secretion was unaltered. Gene expression analyses on insulin/adipocytokine signalling-related genes demonstrated tissue-specific transcriptional responses...
December 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29248466/leptin-suppresses-microrna-122-promoter-activity-by-phosphorylation-of-foxo1-in-hepatic-stellate-cell-contributing-to-leptin-promotion-of-mouse-liver-fibrosis
#14
Qing Cao, Xiaofei Zhu, Xuguang Zhai, Li Ji, Fangyun Cheng, Yiqi Zhu, Pengfei Yu, Yajun Zhou
Adipocytokine leptin promotes hepatic stellate cell (HSC) activation (a key step in liver fibrogenesis) and liver fibrosis. microRNA-122 (miR-122) is the most abundant liver-specific miRNA and was demonstrated to inhibit liver fibrosis and reduced HSC proliferation. Our previous study revealed that leptin reduced miR-122 level in HSCs. This study was aimed to investigate whether leptin affected miR-122 promoter and the underlying mechanisms in HSCs. Results showed that leptin inhibited miR-122 promoter activity...
December 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29234289/the-role-of-perivascular-adipose-tissue-in-non-atherosclerotic-vascular-disease
#15
REVIEW
Tetsuo Horimatsu, Ha Won Kim, Neal L Weintraub
Perivascular adipose tissue (PVAT) surrounds most large blood vessels and plays an important role in vascular homeostasis. PVAT releases various chemokines and adipocytokines, functioning in an endocrine and paracrine manner to regulate vascular signaling and inflammation. Mounting evidence suggests that PVAT plays an important role in atherosclerosis and hypertension; however, the role of PVAT in non-atherosclerotic vascular diseases, including neointimal formation, aortic aneurysm, arterial stiffness and vasculitis, has received far less attention...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29232925/deep-sea-water-improves-abnormalities-in-lipid-metabolism-through-lipolysis-and-fatty-acid-oxidation-in-high-fat-diet-induced-obese-rats
#16
Wei-Tang Chang, Tsung-Yueh Lu, Ming-Ching Cheng, Hsun-Chi Lu, Mei-Fang Wu, Chin-Lin Hsu
Deep sea water (DSW) is a natural marine resource that has been utilized for food, agriculture, cosmetics, and medicine. The aim of this study was to investigate whether DSW has beneficial lipid metabolic effects in an animal model. Our previous in vitro study indicated that DSW significantly decreased the intracellular triglyceride and glycerol-3-phosphate dehydrogenase activity in 3T3-L1 adipocytes. DSW also inhibited the gene levels of adipocyte differentiation, lipogenesis, and adipocytokines, and up-regulated gene levels of lipolysis and fatty acid oxidation...
December 11, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29229313/emerging-role-of-adipocytokines-in-type-2-diabetes-as-mediators-of-insulin-resistance-and-cardiovascular-disease
#17
REVIEW
Ravindran Jaganathan, Rajeswari Ravindran, Sugapriya Dhanasekaran
Adipose tissue is an enormously active endocrine organ, secreting various hormones, such as adiponectin, leptin, resistin and visfatin, together with classical cytokines, such as tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6). All these adipocytokines plays significant roles in the regulation of energy metabolism, glucose and lipid metabolism, reproduction, cardiovascular function and immunity. Adipocytokines are significantly regulated by nutritional status and can directly influence other organ systems, including brain, liver and skeletal muscle...
December 8, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/29228527/synergistic-effects-of-resistin-and-visfatin-as-adipocyte-derived-hormones-on-telomerase-gene-expression-in-ags-gastric-cancer-cell-line
#18
Masoumeh Mohammadi, Nosratollah Zarghami, Mehdi Hedayati, Sara Ghaemmaghami
Recently suggested that adipocytokines may play a role in pathogenesis and progression of certain cancers, especially in gastric cancer. The previous study showed Resistin and Visfatin, as adipocyte derived hormones, separately increases telomerase (hTERT) gene, the aim of this study is investigating synergic effects of Resistin and Visfatin on telomerase gene expression, in AGS gastric cancer cell line. In this study, human gastric cancer AGS cell line was selected. After stimulation with increasing concentrations of Resistin and Visfatin recombinant proteins for 24 and 48 hours, cell proliferation was assessed by XTT assay...
October 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29223720/serum-periostin-is-associated-with-body-mass-index-and-allergic-rhinitis-in-healthy-and-asthmatic-subjects
#19
Hirokazu Kimura, Satoshi Konno, Hironi Makita, Natsuko Taniguchi, Hiroki Kimura, Houman Goudarzi, Kaoruko Shimizu, Masaru Suzuki, Noriharu Shijubo, Katsunori Shigehara, Junya Ono, Kenji Izuhara, Yoichi Minagawa Ito, Masaharu Nishimura
BACKGROUND: Many studies have attempted to clarify the factors associated with serum periostin levels in asthmatic patients. However, these results were based on studies of subjects mainly characterized by high eosinophil counts, which may present as an obstacle for clarification in the identification of other factors associated with serum periostin levels. The aim of this study was to determine the factors associated with serum periostin levels in healthy subjects. We also assessed some factors in asthmatic subjects to confirm their extrapolation for management of asthma...
December 6, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29215742/effects-of-small-interfering-rna-targeting-tlr4-on-expressions-of-adipocytokines-in-obstructive-sleep-apnea-hyponea-syndrome-with-hypertension-in-a-rat-model
#20
Jing-Guo Wu, Nan Xun, Li-Jin Zeng, Zhen-Yu Li, Yan-Bing Liang, Hao Tang, Zhong-Fu Ma
We explored the effects of RNA interference-mediated silencing of TLR4 gene on expressions of adipocytokines in obstructive sleep apnea hyponea syndrome (OSAS) with hypertension in a rat model. Systolic blood pressure of caudal artery and physiological changes were observed when establishing rat models of OSAS with hypertension. Mature rat adipocytes were induced from separated and cultured primary rat adipocytes. To transfect rat mature adipocytes, TLR4 siRNA group and negative control (NC) siRNA group were established...
December 7, 2017: Journal of Cellular Physiology
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