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https://www.readbyqxmd.com/read/27909554/high-maysin-corn-silk-extract-reduces-body-weight-and-fat-deposition-in-c57bl-6j-mice-fed-high-fat-diets
#1
Eun Young Lee, Sun Lim Kim, Hyeon Jung Kang, Myung Hwan Kim, Ae Wha Ha, Woo Kyoung Kim
BACKGROUNG/OBJECTIVES: The study was performed to investigate the effects and mechanisms of action of high maysin corn silk extract on body weight and fat deposition in experimental animals. MATERIALS/METHODS: A total of 30 male C57BL/6J mice, 4-weeks-old, were purchased and divided into three groups by weight using a randomized block design. The normal-fat (NF) group received 7% fat (diet weight basis), the high-fat (HF) group received 25% fat and 0.5% cholesterol, and the high-fat corn silk (HFCS) group received high-fat diet and high maysin corn silk extract at 100 mg/kg body weight through daily oral administration...
December 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27906582/fiat-deletion-increases-bone-mass-but-does-not-prevent-high-fat-diet-induced-metabolic-complications
#2
Bahareh Hekmatnejad, Vionnie W C Yu, William Addison, Vice Mandic, Martin Pellicelli, Alice Arabian, René St-Arnaud
FIAT (Factor Inhibiting ATF4-mediated Transcription) interacts with ATF4 to repress its transcriptional activity. We performed a phenotypic analysis of Fiat-deficient male mice (Fiat(-/Y)) at 8 and 16 weeks of age. Fiat(-/Y) mice appeared normal at birth and weight gain was comparable between genotypes. μCT analysis of proximal femur demonstrated 46% and 13% age-dependent increases in trabecular bone volume and thickness, respectively, in Fiat(-/Y) mice. Cortical bone measurements at the femoral midshaft revealed a significant increase in cortical thickness in older Fiat(-/Y) mice...
December 1, 2016: Endocrinology
https://www.readbyqxmd.com/read/27904969/metabolic-responses-and-omics-technologies-for-elucidating-the-effects-of-heat-stress-in-dairy-cows
#3
REVIEW
Li Min, Shengguo Zhao, He Tian, Xu Zhou, Yangdong Zhang, Songli Li, Hongjian Yang, Nan Zheng, Jiaqi Wang
Heat stress (HS) negatively affects various industries that rely on animal husbandry, particularly the dairy industry. A better understanding of metabolic responses in HS dairy cows is necessary to elucidate the physiological mechanisms of HS and offer a new perspective for future research. In this paper, we review the current knowledge of responses of body metabolism (lipid, carbohydrate, and protein), endocrine profiles, and bovine mammary epithelial cells during HS. Furthermore, we summarize the metabolomics and proteomics data that have revealed the metabolite profiles and differentially expressed proteins that are a feature of HS in dairy cows...
November 30, 2016: International Journal of Biometeorology
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
#4
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/27900258/adipocyte-specific-hypoxia-inducible-gene-2-promotes-fat-deposition-and-diet-induced-insulin-resistance
#5
Marina T DiStefano, Rachel J Roth Flach, Ozlem Senol-Cosar, Laura V Danai, Joseph V Virbasius, Sarah M Nicoloro, Juerg Straubhaar, Sezin Dagdeviren, Martin Wabitsch, Olga T Gupta, Jason K Kim, Michael P Czech
OBJECTIVE: Adipose tissue relies on lipid droplet (LD) proteins in its role as a lipid-storing endocrine organ that controls whole body metabolism. Hypoxia-inducible Gene 2 (Hig2) is a recently identified LD-associated protein in hepatocytes that promotes hepatic lipid storage, but its role in the adipocyte had not been investigated. Here we tested the hypothesis that Hig2 localization to LDs in adipocytes promotes adipose tissue lipid deposition and systemic glucose homeostasis. METHOD: White and brown adipocyte-deficient (Hig2(fl/fl) × Adiponection cre+) and selective brown/beige adipocyte-deficient (Hig2(fl/fl) × Ucp1 cre+) mice were generated to investigate the role of Hig2 in adipose depots...
December 2016: Molecular Metabolism
https://www.readbyqxmd.com/read/27898425/modulation-of-microbiota-gut-brain-axis-by-berberine-resulting-in-improved-metabolic-status-in-high-fat-diet-fed-rats
#6
Honglin Sun, Ningjian Wang, Zhen Cang, Chaoxia Zhu, Li Zhao, Xiaomin Nie, Jing Cheng, Fangzhen Xia, Hualing Zhai, Yingli Lu
OBJECTIVE: To investigate whether or not berberine could improve metabolic status of high-fat-fed rats through modulation of microbiota-gut-brain axis. METHODS: Berberine was administered on high-fat-fed Sprague-Dawley rats. Brain-gut hormones were detected, and changes of gut microbiota were analyzed by 16S rRNA gene sequencing. RESULTS: Berberine could reduce weight gain and lipolysis in the high-fat diet-fed group. Moreover, trends of ameliorated insulin resistance and decreased endogenous glucose production were observed...
November 30, 2016: Obesity Facts
https://www.readbyqxmd.com/read/27898183/effect-of-exenatide-on-postprandial-glucose-fluxes-lipolysis-and-%C3%A3-cell-function-in-nondiabetic-morbidly-obese-patients
#7
Stefania Camastra, Brenno Astiarraga, Andrea Tura, Silvia Frascerra, Demetrio Ciociaro, Andrea Mari, Amalia Gastaldelli, Ele Ferrannini
AIMS: To investigate the effect of exenatide on glucose disposal, insulin secretion, ß-cell function, lipolysis, and hormone concentrations in non-diabetic, morbidly obese subjects under physiological conditions. MATERIALS AND METHODS: Patients were assigned to exenatide 10 µg twice daily (EXE, n = 15) or control (CT, n = 15) for 3 months. Patients received a meal test/tracer study (MTT) to measure endogenous glucose production (EGP), rate of oral glucose appearance (RaO), insulin secretion rate (ISR), ß-cell function, hepatic (HIR) and adipose tissue insulin resistance (AT-IR) and insulin sensitivity (IS)...
November 29, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27890596/monoacyl-phosphatidylcholine-inhibits-the-formation-of-lipid-multilamellar-structures-during-in-vitro-lipolysis-of-self-emulsifying-drug-delivery-systems
#8
Thuy Tran, Scheyla D V S Siqueira, Heinz Amenitsch, Thomas Rades, Anette Müllertz
The colloidal structures formed during lipolysis of self-emulsifying drug delivery systems (SEDDS) might affect the solubilisation and possibly the absorption of drugs. The aim of the current study is to elucidate the structures formed during the in vitro lipolysis of four SEDDS containing medium-chain glycerides and caprylocaproyl polyoxyl-8 glycerides (Labrasol), with or without monoacyl phosphatidylcholine (MAPC). In situ synchrotron small-angle X-ray scattering (SAXS) was combined with ex situ cryogenic transmission electron microscopy (cryo-TEM) and dynamic light scattering (DLS) to elucidate the generated structures...
November 23, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27889107/combination-of-the-anthocyanidins-malvidin-and-peonidin-attenuates-lipopolysaccharide-mediated-inflammatory-gene-expression-in-primary-human-adipocytes
#9
Jessica D Mackert, Michael K McIntosh
We recently demonstrated that California table grapes and a methanol-extractable, polyphenol-rich fraction decreased adiposity, insulin resistance, or markers of inflammation in high-fat fed mice. Malvidin and peonidin glycosides were the 2 most abundant anthocyanins in the polyphenol-rich fraction. We hypothesized that a blood borne combination of anthocyanidins malvidin and peonidin derived from intestinal β-glycosidase metabolism of these 2 anthocyanins are responsible, in part, for the beneficial health effects observed in vivo...
November 10, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27884920/systematic-review-of-bariatric-surgery-liver-biopsies-clarifies-the-natural-history-of-liver-disease-in-patients-with-severe-obesity
#10
Pierre Bedossa, Joan Tordjman, Judith Aron-Wisnewsky, Christine Poitou, Jean-Michel Oppert, Adriana Torcivia, Jean-Luc Bouillot, Valerie Paradis, Vlad Ratziu, Karine Clément
OBJECTIVE: Non-alcoholic fatty liver disease (NAFLD) is a frequent complication of morbid obesity, but its severity varies greatly and thus there is a strong need to better define its natural history in these patients. DESIGN: Liver biopsies were systematically performed in 798 consecutive patients with severe obesity undergoing bariatric surgery. Histology was compared with clinical, biological, anthropometrical and body composition characteristics. RESULTS: Patients with presumably normal liver (n=179, 22%) were significantly younger at bariatric surgery than patients with NAFLD (37...
November 24, 2016: Gut
https://www.readbyqxmd.com/read/27879288/multi-omics-analysis-of-serum-samples-demonstrates-reprogramming-of-organ-functions-via-systemic-calcium-mobilization-and-platelet-activation-in-metastatic-melanoma
#11
Besnik Muqaku, Martin Eisninger, Samuel M Meier, Ammar Tahir, Tobias Prokop, Sebastian Haferkamp, Astrid Slany, Albrecht Reichle, Christopher Gerner
Pathophysiologies of cancer-associated syndroms such as cachexia are poorly understood and no routine biomarkers have been established, yet. Using shotgun proteomics, known marker molecules including PMEL, CRP, SAA and CSPG4 were found deregulated in patients with metastatic melanoma. Targeted analysis of 58 selected proteins with multiple reaction monitoring was applied for independent data verification. In three patients, two of which suffered from cachexia, a tissue damage signature was determined, consisting of nine proteins, PLTP, CD14, TIMP1, S10A8, S10A9, GP1BA, PTPRJ, CD44 and C4A, as well as increased levels of glycine and asparagine, and decreased levels of polyunsaturated phosphatidylcholine concentrations, as determined by targeted metabolomics...
November 22, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27875257/nicotinic-acid-timed-to-feeding-reverses-tissue-lipid-accumulation-and-improves-glucose-control-in-obese-zucker-rats
#12
Tobias Kroon, Tania Baccega, Arne Olsén, Johan Gabrielsson, Nicholas D Oakes
Nicotinic acid (NiAc) is a potent inhibitor of lipolysis, acutely reducing plasma free fatty acid (FFA) concentrations. However, a major FFA rebound is seen during rapid NiAc washout and sustained exposure is associated with tolerance development, with FFA returning to pretreatment levels. Our aim was to find a rational NiAc dosing regimen which preserves FFA lowering, sufficient to reverse non-adipose tissue lipid accumulation and improve metabolic control, in obese Zucker rats. We compared feeding-period vs...
November 15, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27872010/forkhead-box-o1-in-grass-carp-ctenopharyngodon-idella-molecular-characterization-gene-structure-tissue-distribution-and-mrna-expression-in-insulin-inhibited-adipocyte-lipolysis
#13
Jian Sun, Pei-Zhen Xiao, Zhi-Guang Chang, Hong Ji, Zhen-Yu Du, Li-Qiao Chen
Factor forkhead box O1 (FoxO1) is a transcription factor and plays an important role in insulin-mediated lipid metabolism. In the present study, two distinct FoxO1 cDNAs, designated FoxO1a and FoxO1b, were firstly isolated and characterized from grass carp Ctenopharyngodon idella, encoding peptides of 654 and 631 amino acids, respectively. Phylogenetic and synteny analyses suggested that FoxO1a and FoxO1b were derived from paralogous genes that could be originated from teleost-specific genome duplication (TSGD) event...
November 18, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/27868388/in-vitro-lipolysis-is-associated-with-whole-body-lipid-oxidation-and-weight-gain-in-humans
#14
Joseph Frankl, Paolo Piaggi, James E Foley, Jonathan Krakoff, Susanne B Votruba
OBJECTIVE: To assess the association of adipocyte size with cellular lipolysis and between cellular lipolysis and whole-body lipid oxidation. This study also assessed the association between adipocyte size and cellular lipolysis with weight and fat mass gain. METHODS: Subjects had assessment of percent body fat (%fat) and adipose tissue biopsy for in vitro lipolysis (n = 325), and a subset of subjects had measurement of whole-body lipid oxidation (n = 112). A subset of subjects (n = 243) returned for repeated measurements of body weight and composition (mean follow-up 8...
November 21, 2016: Obesity
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
#15
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/27862896/homozygous-lipe-mutation-in-siblings-with-multiple-symmetric-lipomatosis-partial-lipodystrophy-and-myopathy
#16
Sagit Zolotov, Chao Xing, Riad Mahamid, Adel Shalata, Mohammed Sheikh-Ahmad, Abhimanyu Garg
Despite considerable progress in identifying causal genes for lipodystrophy syndromes, the molecular basis of some peculiar adipose tissue disorders remains obscure. In an Israeli-Arab pedigree with a novel autosomal recessive, multiple symmetric lipomatosis (MSL), partial lipodystrophy and myopathy, we conducted exome sequencing of two affected siblings to identify the disease-causing mutation. The 41-year-old female proband and her 36-year-old brother reported marked accumulation of subcutaneous fat in the face, neck, axillae, and trunk but loss of subcutaneous fat from the lower extremities and progressive distal symmetric myopathy during adulthood...
November 11, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27858284/role-of-cannabinoid-receptor-1-in-human-adipose-tissue-for-lipolysis-regulation-and-insulin-resistance
#17
Cherno O Sidibeh, Maria J Pereira, Joey Lau Börjesson, Prasad G Kamble, Stanko Skrtic, Petros Katsogiannos, Magnus Sundbom, Maria K Svensson, Jan W Eriksson
We recently showed that the peripheral cannabinoid receptor type 1 (CNR1) gene is upregulated by the synthetic glucocorticoid dexamethasone. CNR1 is highly expressed in the central nervous system and has been a drug target for the treatment of obesity. Here we explore the role of peripheral CNR1 in states of insulin resistance in human adipose tissue. Subcutaneous adipose tissue was obtained from well-controlled type 2 diabetes subjects and controls. Subcutaneous adipose tissue gene expression levels of CNR1 and endocannabinoid synthesizing and degrading enzymes were assessed...
November 17, 2016: Endocrine
https://www.readbyqxmd.com/read/27858140/adipocyte-stat5-deficiency-promotes-adiposity-and-impairs-lipid-mobilisation-in-mice
#18
Doris Kaltenecker, Kristina M Mueller, Pia Benedikt, Ursula Feiler, Madeleine Themanns, Michaela Schlederer, Lukas Kenner, Martina Schweiger, Guenter Haemmerle, Richard Moriggl
AIMS/HYPOTHESIS: Dysfunction of lipid metabolism in white adipose tissue can substantially interfere with health and quality of life, for example in obesity and associated metabolic diseases. Therefore, it is important to characterise pathways that regulate lipid handling in adipocytes and determine how they affect metabolic homeostasis. Components of the Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathway are involved in adipocyte physiology and pathophysiology...
November 17, 2016: Diabetologia
https://www.readbyqxmd.com/read/27856957/nuclear-localized-lsr-a-novel-regulator-of-breast-cancer-behavior-and-tumorigenesis
#19
Denise K Reaves, Katherine A Hoadley, Katerina Fagan-Solis, Dereje D Jima, Michael Bereman, Lynnelle Thorpe, Jyla Hicks, David McDonald, Melissa A Troester, Charles M Perou, Jodie M Fleming
: Lipolysis Stimulated Lipoprotein Receptor (LSR) has been found in the plasma membrane and is believed to function in lipoprotein endocytosis and tight junctions. Given the impact of cellular metabolism and junction signaling pathways on tumor phenotypes and patient outcome, it is important to understand how LSR cellular localization mediates its functions. We conducted localization studies, evaluated DNA binding, and examined the effects of nuclear LSR in cells, xenografts, and clinical specimens...
November 17, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/27856429/knock-down-of-ptrf-ameliorates-adipocyte-differentiation-and-functionality-of-human-mesenchymal-stem-cells
#20
Sergio Perez-Diaz, Beatriz Garcia-Rodriguez, Yolanda Gonzalez-Irazabal, Monica Valero, Javier Lagos, J M Arbones-Mainar
Healthy expansion of human adipose tissue requires mesenchymal stem cells (hMSC) able to proliferate and differentiate into mature adipocytes. Characterization of those factors that coordinate hMSC-to-adipocyte transition is hence of paramount importance to modulate the adipose tissue expansion. It has been previously reported that the adipogenic program of hMSC can be disrupted by up-regulating caveolar proteins and Polymerase I and Transcript Release Factor (PTRF) is an integral component of caveolae highly expressed in adipose tissue...
November 16, 2016: American Journal of Physiology. Cell Physiology
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