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https://www.readbyqxmd.com/read/29785640/switching-from-high-fat-diet-to-foods-containing-resveratrol-as-a-calorie-restriction-mimetic-changes-the-architecture-of-arcuate-nucleus-to-produce-more-newborn-anorexigenic-neurons
#1
Maryam Safahani, Hadi Aligholi, Farshid Noorbakhsh, Mahmoud Djalali, Hamideh Pishva, Sayed Mostafa Modarres Mousavi, Leila Alizadeh, Ali Gorji, Fariba Koohdani
PURPOSE: These days, obesity threatens the health for which one of the main interventions is calorie restriction (CR). Due to the difficulty of compliance with this treatment, CR mimetics such as resveratrol (RSV) have been considered. The present study compared the effects of RSV and CR on hypothalamic remodeling in a diet-switching experiment. METHODS: C57BL/6 male mice received high-fat diet (HFD) for 4 weeks, subsequently their diet switched to chow diet, HFD + RSV, chow diet + RSV or CR diet for a further 6 weeks...
May 21, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29783731/-lactobacillus-plantarum-strain-ln4-attenuates-diet-induced-obesity-insulin-resistance-and-changes-in-hepatic-mrna-levels-associated-with-glucose-and-lipid-metabolism
#2
Eunjung Lee, So-Ra Jung, So-Young Lee, Na-Kyoung Lee, Hyun-Dong Paik, Seong-Il Lim
The prevalence of obesity and associated metabolic disorders, including diabetes and cardiovascular disease, is rapidly becoming a severe global health problem. Recent reports have suggested that the alteration of the gut ecosystem through the consumption of probiotics and fermented foods, such as yogurt and Kimchi, can significantly impact obesity and Type 2 diabetes (T2D)-related biomarkers. In this study, we screened over 400 strains of lactic acid bacteria (LAB) that were isolated from fermented foods to identify potent anti-obesogenic and diabetic probiotics in vitro...
May 19, 2018: Nutrients
https://www.readbyqxmd.com/read/29777756/peroxiredoxin-5-regulates-adipogenesis-attenuating-oxidative-stress-in-obese-mouse-models-induced-by-a-high-fat-diet
#3
Mi Hye Kim, Sun-Ji Park, Jung-Hak Kim, Jung Bae Seong, Kyung-Min Kim, Hyun Ae Woo, Dong-Seok Lee
Elevated levels of reactive oxygen species (ROS) are a hallmark of obesity. Peroxiredoxin 5 (Prx5), which is a cysteine-dependent peroxidase enzyme, has an intensive ROS scavenging activity because it is located in the cytosol and mitochondria. Therefore, we focused on the role of Prx5 in regulating mitochondrial ROS and adipogenesis. We demonstrated that Prx5 expression was upregulated during adipogenesis and Prx5 overexpression suppressed adipogenesis by regulating cytosolic and mitochondrial ROS generation...
May 16, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29777704/dietary-mung-bean-protein-reduces-high-fat-diet-induced-weight-gain-by-modulating-host-bile-acid-metabolism-in-a-gut-microbiota-dependent-manner
#4
Akiho Nakatani, Xuan Li, Junki Miyamoto, Miki Igarashi, Hitoshi Watanabe, Asuka Sutou, Keita Watanabe, Takayasu Motoyama, Nobuhiko Tachibana, Mitsutaka Kohno, Hiroshi Inoue, Ikuo Kimura
The 8-globulin-rich mung bean protein (MPI) suppresses hepatic lipogenesis in rodent models and reduces fasting plasma glucose and insulin levels in obese adults. However, its effects on mitigating high fat diet (HFD)-induced obesity and the mechanism underlying these effects remain to be elucidated. Herein, we examined the metabolic phenotype, intestinal bile acid (BA) pool, and gut microbiota of conventionally raised (CONV-R) male C57BL/6 mice and germ-free (GF) mice that were randomized to receive either regular HFD or HFD containing mung bean protein isolate (MPI) instead of the dairy protein present in regular HFD...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29776966/loss-of-tigar-induces-oxidative-stress-and-meiotic-defects-in-oocytes-from-obese-mice
#5
Haichao Wang, Qing Cheng, Xiaoyan Li, Feifei Hu, Longsen Han, Hao Zhang, Ling Li, Juan Ge, Xiaoyan Ying, Xuejiang Guo, Qiang Wang
Maternal obesity has been reported to impair oocyte quality in mice, however, the underlying mechanisms remain unclear. In the present study, by conducting a comparative proteomic analysis, we identified a reduced expression of TIGAR protein in ovulated oocytes from high-fat diet (HFD)-fed mice. Specific depletion of TIGAR in mouse oocytes results in the marked elevation of reactive oxygen species (ROS) levels and the failure of meiotic apparatus assembly. Importantly, forced expression of TIGAR in HFD oocytes not only attenuates ROS production, but also partly prevents spindle disorganization and chromosome misalignment during meiosis...
May 18, 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29776955/high-fat-diet-induced-inflammation-accelerates-prostate-cancer-growth-via-il6-signaling
#6
Takuji Hayashi, Kazutoshi Fujita, Satoshi Nojima, Yujiro Hayashi, Kosuke Nakano, Yu Ishizuya, Cong Wang, Yoshiyuki Yamamoto, Toshiro Kinouchi, Kyosuke Matsuzaki, Kentaro Jingushi, Taigo Kato, Atsunari Kawashima, Akira Nagahara, Takeshi Ujike, Motohide Uemura, Maria Del Carmen Rodriguez Pena, Jennifer B Gordetsky, Eiichi Morii, Kazutake Tsujikawa, George J Netto, Norio Nonomura
OBJECTIVE: High-fat diet (HFD) could induce prostate cancer progression. The aim of this study is to identify mechanisms of HFD-induced prostate cancer progression, focusing on inflammation. MATERIALS AND METHODS: We administered HFD and celecoxib to autochthonous immunocompetent Pb-Cre+; Pten(fl/fl) model mice for prostate cancer. Tumor growth was evaluated by tumor weight and Ki67 stain, and local immune cells were assessed by flow cytometry at 22 weeks of age...
May 18, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29776647/-effect-of-green-alga-ulva-lactuca-polysaccharides-supplementation-on-blood-pressure-and-on-atherogenic-risk-factors-in-rats-fed-a-high-fat-diet
#7
Z I Tair, F Bensalah, F Boukortt
AIM OF THE STUDY: To highlight the benefits of green alga Ulva lactuca polysaccharides supplementation on blood pressure and atherogenic risk factors in rats fed a high fat diet. METHODS: Wistar male rats were fed a high fat diet (30% sheep fat) for 3 months. At an average body weight (BW) of 360g, the rats (n=18) were divided into 3 groups and consumed, for 28 days, either a high fat diet (HFD) or a high fat diet enriched with 1% of whole green algae (WGA) powder or with 1% of its polysaccharides (PLS)...
May 15, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29775748/microrna-204-5p-regulates-3t3-l1-preadipocyte-proliferation-apoptosis-and-differentiation
#8
Jingjing Du, Peiwen Zhang, Mailin Gan, Xue Zhao, Yan Xu, Qiang Li, Yanzhi Jiang, Guoqing Tang, Mingzhou Li, Jinyong Wang, Xuewei Li, Shunhua Zhang, Li Zhu
Obesity due to excessive lipid accumulation is closely associated with metabolic diseases such as type 2 diabetes, insulin resistance and inflammation. Therefore, a detailed understanding of the molecular mechanisms that underlie adipogenesis is crucial to develop treatments for diseases related to obesity. Here, we found that the microRNA-204-5p (miR-204-5p) was expressed at low levels in fat tissues from obese mice fed long-term with a high-fat diet (HFD). Overexpression or inhibition of miR-204-5p in vitro in 3T3-L1 preadipocytes significantly inhibited or promoted 3T3-L1 proliferation, respectively, an effect mediated by regulating cell proliferation factors...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29772998/partially-purified-aqueous-fraction-of-desmodium-gyrans-dc-improves-reverse-cholesterol-transport-and-lipoprotein-metabolism-in-wistar-rats-fed-with-high-fat-diet
#9
M S Indu, Jose Padikkala, Achuthan C Raghavamenon
Apart from the conventional hypolipidemic therapy, plaque regression through enhanced reverse cholesterol transport (RCT) has emerged as novel approach in atherosclerotic drug development. High-density lipoprotein (HDL) mimetics as well as agents that augment the functional HDL and RCT pathways are under intense exploration. Desmodium gyrans (Fabacea) has been shown to have hypolipidemic efficacy, with an HDL-enhancing property. In this study, a chromatographically purified active fraction of D. gyrans (DGMAF) significantly decreased the serum and lipid profiles as well as lipotoxicity in liver in Wistar rats fed with high-fat diet (HFD)...
2018: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29772836/soybean-hop-alleviates-estrogen-deficiency-related-bone-loss-and-metabolic-dysfunction-in-ovariectomized-rats-fed-a-high-fat-diet
#10
Dasom Noh, Yeni Lim, Hansol Lee, Hyejin Kim, Oran Kwon
Soybeans and hops have been traditionally used as a natural estrogen replacement therapy and their major active ingredients, isoflavones and prenylflavanones, are known to have estrogenic/antiestrogenic effects depending on the target organ. However, their potential benefits are still subject to controversies. The present study investigated the dual effect of soy isoflavones plus hop prenylflavanones (Soy-Hop) on bone loss and metabolic dysfunction under estrogen deficient condition. Rats were sham-operated ( n = 10) or ovariectomized (OVX; n = 40) and then fed a high-fat diet (HFD) to develop hyperlipidemia in OVX rats within the experimental period of 8 weeks...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772226/potential-role-of-peroxisome-proliferator-activated-receptor-gamma-activation-on-serum-visfatin-and-trace-elements-in-high-fat-diet-induced-type-2-diabetes-mellitus
#11
Arshia Tabassum, Syeda Nuzhat Fatima Zaidi, Kausar Yasmeen, Tabassum Mahboob
AIMS: Electrolytes and trace elements dysregulation play an important role in the progression of obesity and diabetes complications. The present study was designed to evaluate the insulin sensitizing effects of peroxisomes proliferators activated receptor gamma (PPAR-γ) agonist on trace elements in obesity induced type 2 diabetes mellitus and correlate with serum visfatin. MATERIALS AND METHODS: Wistar rats were categorized into five groups. Group I served as control; Group II fed on high fat diet (HFD); Group III fed on HFD and treated with rosiglitazone (3 mg/kg) for 7 days; Group IV were T2DM rats induce by HFD and low dose of streptozotocin (i...
May 14, 2018: Life Sciences
https://www.readbyqxmd.com/read/29768504/sarcopoterium-spinosum-extract-improved-insulin-sensitivity-in-mice-models-of-glucose-intolerance-and-diabetes
#12
Konstantin Rozenberg, Tovit Rosenzweig
BACKGROUND: The glucose lowering properties of Sarcopoterium spinosum, a traditional medicinal plant, were previously validated by us using KK-Ay mice as a genetic model for type 2 diabetes (T2D). OBJECTIVE: To clarify the effects of Sarcopoterium spinosum extract (SSE) on diet-induced glucose intolerance and to investigate SSE effects on carbohydrate and lipid metabolism in target tissues of both high-fat-diet (HFD)-fed and KK-Ay mice. RESULTS: Mice were given SSE (70 mg/day) for 6 weeks...
2018: PloS One
https://www.readbyqxmd.com/read/29768180/dietary-fiber-confers-protection-against-flu-by-shaping-ly6c-patrolling-monocyte-hematopoiesis-and-cd8-t-cell-metabolism
#13
Aurélien Trompette, Eva S Gollwitzer, Céline Pattaroni, Isabel C Lopez-Mejia, Erika Riva, Julie Pernot, Niki Ubags, Lluis Fajas, Laurent P Nicod, Benjamin J Marsland
Dietary fiber protects against chronic inflammatory diseases by dampening immune responses through short-chain fatty acids (SCFAs). Here we examined the effect of dietary fiber in viral infection, where the anti-inflammatory properties of SCFAs in principle could prevent protective immunity. Instead, we found that fermentable dietary fiber increased survival of influenza-infected mice through two complementary mechanisms. High-fiber diet (HFD)-fed mice exhibited altered bone marrow hematopoiesis, characterized by enhanced generation of Ly6c- patrolling monocytes, which led to increased numbers of alternatively activated macrophages with a limited capacity to produce the chemokine CXCL1 in the airways...
May 15, 2018: Immunity
https://www.readbyqxmd.com/read/29765984/jazf1-inhibits-adipose-tissue-macrophages-and-adipose-tissue-inflammation-in-diet-induced-diabetic-mice
#14
Fanping Meng, Yao Lin, Min Yang, Minyan Li, Gangyi Yang, Po Hao, Ling Li
Background: Juxtaposed with another zinc finger gene 1 (JAZF1) affects gluconeogenesis, insulin sensitivity, lipid metabolism, and inflammation, but its exact role in chronic inflammation remains unclear. This study aimed to examine JAZF1 overexpression in vivo on adipose tissue macrophages (ATMs). Methods: Mouse models of high-fat diet- (HFD-) induced insulin resistance were induced using C57BL/6J and JAZF1-overexpressing (JAZF1-OX) mice. The mice were randomized (8-10/group) to C57BL/6J mice fed regular diet (RD) (NC group), C57BL/6J mice fed HFD (HF group), JAZF1-OX mice fed RD (NJ group), and JAZF1-OX mice fed HFD (HJ group)...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29765980/aerobic-interval-training-regulated-sirt3-attenuates-high-fat-diet-associated-cognitive-dysfunction
#15
Zhaoling Shi, Chen Li, Yue Yin, Zheng Yang, Han Xue, Nan Mu, Yishi Wang, Manling Liu, Heng Ma
Cognitive dysfunction is an important complicated disease in obesity. Exercise ameliorates obesity and the related cognitive dysfunction. However, the underlying mechanism is still unclear. In this study, we investigated whether aerobic interval training (AIT) could attenuate high-fat-diet- (HFD-) associated cognitive dysfunction and the possible mechanism of SIRT3-MnSOD pathway. C57BL/6 wild-type (WT) mice and SIRT3 knockout (KO) mice were randomized into control (Con) or HFD group with or without AIT training for 6 weeks...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29763913/intraventricular-injection-of-lkb1-inhibits-the-formation-of-diet-induced-obesity-in-rats-by-activating-the-ampk-pomc-neurons-sympathetic-nervous-system-axis
#16
Pengjiao Xi, Jianying Du, Huimin Liang, Jie Han, Zhaoxia Wu, Haomin Wang, Lu He, Qiming Wang, Haize Ge, Yongmei Li, Jie Xue, Derun Tian
BACKGROUND/AIMS: Obesity is increasingly becoming a major public health problem worldwide. Peripheral LKB1 inhibits white fat generation, but the effect of central LKB1 on diet-induced obesity (DIO) is unknown. Therefore, we examined whether LKB1 over-expression in the hypothalamus can inhibit the development of obesity. METHODS: Adult male Sprague-Dawley rats were anesthetized and placed in a stereotaxic apparatus. LKB1-AAV-EGFP (2.0 × 108 or 2.0 × 1010 vector genomes) or Control-AAV-EGFP (2...
May 9, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29763604/attenuation-of-macrophage-accumulation-and-polarisation-in-obese-diabetic-mice-by-a-small-molecule-significantly-improved-insulin-sensitivity
#17
Sandip Mukherjee, Snehasis Das, Dipanjan Chattopadhyay, Shuvasree Sarkar, Subhendu Kumar Chatterjee, Dhrubajyoti Talukdar, Sutapa Mukherjee, Subeer S Majumder, Satinath Mukhopadhyay, Mihir K Chaudhuri, Samir Bhattacharya
Accumulation and polarization of anti-inflammatory M2 to proinflammatory M1 macrophage in the adipose tissue of obese diabetic mice is an important pathogenic signature. It worsens lipid induced inflammation and insulin resistance. Here we demonstrate that a small molecule, a peroxyvanadate compound i.e. DmpzH [VO(O2 )2 (dmpz)] or dmp, could robustly decrease macrophage infiltration, accumulation and their polarization in high fat diet (HFD) induced obese diabetic mice. In searching the underlying mechanism it was revealed that SIRT1 level was strikingly low in the inflamed adipose tissue of HFD mice as compared to mice fed with standard diet (SD)...
May 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29763591/scp-2-scp-x-ablation-in-fabp1-null-mice-differentially-impacts-hepatic-endocannabinoid-level-depending-on-dietary-fat
#18
Gregory G Martin, Drew R Seeger, Avery L McIntosh, Sarah Chung, Sherrelle Milligan, Danilo Landrock, Lawrence J Dangott, Mikhail Y Golovko, Eric J Murphy, Ann B Kier, Friedhelm Schroeder
Dysregulation of the hepatic endocannabinoid (EC) system and high fat diet (HFD) are associated with non-alcoholic fatty liver disease. Liver cytosol contains high levels of two novel endocannabinoid binding proteins-liver fatty acid binding protein (FABP1) and sterol carrier protein-2 (SCP-2). While Fabp1 gene ablation significantly increases hepatic levels of arachidonic acid (ARA)-containing EC and sex-dependent response to pair-fed high fat diet (HFD), the presence of SCP-2 complicates interpretation. These issues were addressed by ablating Scp-2/Scp-x in Fabp1 null mice (TKO)...
May 12, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29763526/extra-virgin-olive-oil-with-natural-phenolic-content-exerts-an-anti-inflammatory-effect-in-adipose-tissue-and-attenuates-the-severity-of-atherosclerotic-lesions-in-ldlr-leiden-mice
#19
Amparo Luque-Sierra, Leticia Alvarez-Amor, Robert Kleemann, Franz Martín, Lourdes M Varela
SCOPE: We evaluated the effect of olive oils with different phenolic content in high-fat diets (HFDs) on hypertrophy and inflammation in adipose tissue and associated atherosclerosis, in the context of obesity. METHODS AND RESULTS: We used Ldlr-/-.Leiden mice fed three different HFDs for 32 weeks and compared them with mice fed the standard low-fat diet (LFD). The different fats provided in the HFDs were: lard (HFD-L), extra-virgin olive oil (79 mg kg-1 of phenolic compounds, HFD-EVOO), or extra-virgin olive oil rich in phenolic compounds (444mg kg-1 of phenolic compounds, HFD-OL)...
May 15, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29762899/metagenomics-analysis-of-gut-microbiota-in-a-high-fat-diet-induced-obesity-mouse-model-fed-with-epigallocatechin-3-o-3-o-methyl-gallate-egcg3-me
#20
Xin Zhang, Yuhui Chen, Jieyu Zhu, Man Zhang, Chi-Tang Ho, Qingrong Huang, Jinxuan Cao
SCOPE: (-)-Epigallocatechin 3-O-(3-O-methyl) gallate (EGCG3''Me) has been shown to have a modulatory effect on human intestinal microbiota, and the relationship between intestinal flora and obesity has attracted more and more attention recently. Here, we investigated the potential link between EGCG3''Me and gut microbiota composition, as well as the underlying mechanisms of the anti-obesity activity of EGCG3''Me. METHODS AND RESULTS: EGCG3''Me was prepared from oolong tea by column chromatography, and the influence of EGCG3''Me on intestinal microbiota was analysed using a human flora-associated high fat diet (HFD)-induced obesity mouse model by metagenomics...
May 15, 2018: Molecular Nutrition & Food Research
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