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https://www.readbyqxmd.com/read/28444662/early-mitochondrial-adaptations-in-skeletal-muscle-to-obesity-and-obesity-resistance-differentially-regulated-by-high-fat-diet
#1
Jingyu Sun, Tao Huang, Zhengtang Qi, Songhui You, Jingmei Dong, Chen Zhang, Lili Qin, Yunhe Zhou, Shuzhe Ding
The mechanism for different susceptibilities to obesity after short-term high-fat diet (HFD) feeding is largely unknown. Given the close association between obesity occurrence and mitochondrial dysfunction, the early events in skeletal muscle mitochondrial adaptations between HFD-induced obesity (DIO) and HFD-induced obesity resistant (DIO-R) lean phenotype under excess nutritional environment were explored.ICR/JCL male mice were randomly divided into 2 groups, as follows: low-fat diet (LFD) and HFD groups...
April 25, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28432486/cholesterol-as-a-modifying-agent-of-the-neurovascular-unit-structure-and-function-under-physiological-and-pathological-conditions
#2
REVIEW
Ewelina Czuba, Aleksandra Steliga, Grażyna Lietzau, Przemysław Kowiański
The brain, demanding constant level of cholesterol, precisely controls its synthesis and homeostasis. The brain cholesterol pool is almost completely separated from the rest of the body by the functional blood-brain barrier (BBB). Only a part of cholesterol pool can be exchanged with the blood circulation in the form of the oxysterol metabolites such, as 27-hydroxycholesterol (27-OHC) and 24S-hydroxycholesterol (24S-OHC). Not only neurons but also blood vessels and neuroglia, constituting neurovascular unit (NVU), are crucial for the brain cholesterol metabolism and undergo precise regulation by numerous modulators, metabolites and signal molecules...
April 21, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28431322/xanthohumol-and-8-prenylnaringenin-ameliorate-diabetic-related-metabolic-dysfunctions-in-mice
#3
Raquel Costa, Ilda Rodrigues, Luísa Guardão, Sílvia Rocha-Rodrigues, Carolina Silva, José Magalhães, Manuel Ferreira-de-Almeida, Rita Negrão, Raquel Soares
Type 2 diabetes mellitus (T2DM) is a chronic disease characterized by metabolic disturbances in specific tissues. The present work aimed to analyze the effects of xanthohumol (XN) and 8-prenylnaringenin (8PN), two beer-derived polyphenols, in liver and skeletal muscle lipid and glycolytic metabolism in T2DM mice model. Thirty C57Bl/6 mice were randomly divided into five groups: standard diet (control), high-fat diet (DM), high-fat diet plus ethanol (DM-Ethanol), high-fat diet plus 10 mg/L XN (DM-XN) and high-fat diet plus 10 mg/L 8PN (DM-8PN) during 20 weeks...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28430815/soy-and-fish-as-features-of-the-japanese-diet-and-cardiovascular-disease-risks
#4
Yukio Yamori, Miki Sagara, Yoshimi Arai, Hitomi Kobayashi, Kazumi Kishimoto, Ikuko Matsuno, Hideki Mori, Mari Mori
In the World Health Organization (WHO)-coordinated Cardiovascular Disease and Alimentary Comparison Study, isoflavones (I; biomarker for dietary soy) and taurine (T; biomarker for dietary fish) in 24-hour-urine (24U) were inversely related to coronary heart disease (CHD) mortality. High levels of these biomarkers are found in Japanese people, whose CHD mortality is lowest among developed countries. We analyzed the association of these biomarkers with cardiovascular disease risk in the Japanese to know their health effects within one ethnic population...
2017: PloS One
https://www.readbyqxmd.com/read/28429921/relationship-between-dietary-patterns-and-brachial-ankle-pulse-wave-velocity-among-middle-aged-adults-in-japan
#5
Shota Moyama, Kazuhiro Minami, Mihiro Yano, Masumi Okumura, Susumu Hayashi, Hiroshi Takayama, Akira Yorimoto
BACKGROUND AND OBJECTIVES: Arterial stiffness is a leading cause of cardiovascular disease (CVD), and it is considered to be affected by dietary intake. However, few studies have examined the relationship between major dietary patterns and brachial-ankle pulse wave velocity (baPWV) among Japanese middle-aged subjects. We studied whether major dietary patterns were associated with baPWV in this population. METHODS AND STUDY DESIGN: Between 2009 and 2012, 70 Japanese middle-aged subjects (39 men and 31 women) with no history of stroke, coronary heart disease, or cancer were studied...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429918/relationship-between-fruit-and-vegetable-intake-and-the-risk-of-metabolic-syndrome-and-its-disorders-in-korean-women-according-to-menopausal-status
#6
Seo Ah Hong, Mi Kyung Kim
BACKGROUND AND OBJECTIVES: The association between fruit and vegetable (FV) intake and risk of the metabolic syndrome (MetS) has not been elucidated fully, particularly by menopausal status. Method and Study Design: The study population was 2,999 women aged 40-64 years participating in the 4th Korea National Health and Nutrition Examination Survey. The definition of MetS and its components was based on the modified National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III) for Koreans...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429509/co2-permeability-and-carbonic-anhydrase-activity-of-rat-cardiomyocytes
#7
Mariela Arias-Hidalgo, Samer Al-Samir, Natalie Weber, Cornelia Geers-Knörr, Gerolf Gros, Volker Endeward
AIM: We determine here the CO2 permeability (PCO2 ) of plasma membranes of cardiomyocytes. These cells were chosen because heart possesses the highest rate of O2 -consumption/CO2 -production in the body. METHODS: Cardiomyocytes were isolated from rat hearts using the Langendorff technique. Cardiomyocyte suspensions exhibited a vitality of 2-14% and were studied by the previously described mass spectrometric (18) O-exchange-technique deriving PCO2 . We show by mass spectrometry and by carbonic anhydrase (CA)-staining that non-vital cardiomyocytes are free of CA and thus do not contribute to the mass spectrometric signal, which is determined exclusively by the fully functional vital cardiomyocytes...
April 20, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28429187/curcumin-reverses-the-depressive-like-behavior-and-insulin-resistance-induced-by-chronic-mild-stress
#8
Ji-Duo Shen, Yu Wei, Yu-Jie Li, Jing-Yi Qiao, Yu-Cheng Li
Increasing evidence has demonstrated that patients with depression have a higher risk of developing type 2 diabetes. Insulin resistance has been identified as the key mechanism linking depression and diabetes. The present study established a rat model of depression complicated by insulin resistance using a 12-week exposure to chronic mild stress (CMS) and investigated the therapeutic effects of curcumin. Sucrose intake tests were used to evaluate depressive-like behaviors, and oral glucose tolerance tests (OGTT) and intraperitoneal insulin tolerance tests (IPITT) were performed to evaluate insulin sensitivity...
April 21, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28428084/metabolomics-of-fescue-toxicosis-in-grazing-beef-steers
#9
Ryan S Mote, Nicholas S Hill, Karan Uppal, ViLinh T Tran, Dean P Jones, Nikolay M Filipov
Fescue toxicosis (FT) results from consumption of tall fescue (Lolium arundinaceum) infected with an endophyte (Epichloë coenophiala) that produces ergot alkaloids (EA), which are considered key etiological agents of FT. Decreased weight gains, hormonal imbalance, circulating cholesterol disruption, and decreased volatile fatty acid absorption suggest toxic (E+) fescue-induced metabolic perturbations. Employing untargeted high-resolution metabolomics (HRM) to analyze E+ grazing-induced plasma and urine metabolome changes, fescue-naïve Angus steers were placed on E+ or non-toxic (Max-Q) fescue pastures and plasma and urine were sampled before, 1, 2, 14, and 28 days after pasture assignment...
April 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28428045/sco2-deficient-mice-develop-increased-adiposity-and-insulin-resistance
#10
Shauna Hill, Sathyaseelan S Deepa, Kavithalakshmi Sataranatarajan, Pavithra Premkumar, Daniel Pulliam, Yuhong Liu, Vanessa Y Soto, Kathleen E Fischer, Holly Van Remmen
Cytochrome c oxidase (COX) is an essential transmembrane protein complex (Complex IV) in the mitochondrial respiratory electron chain. Mutations in genes responsible for the assembly of COX are associated with Leigh syndrome, cardiomyopathy, spinal muscular atrophy and other fatal metabolic disorders in humans. Previous studies have shown that mice lacking the COX assembly protein Surf1 (Surf1(-/-) mice) paradoxically show a number of beneficial metabolic phenotypes including increased insulin sensitivity, upregulation of mitochondrial biogenesis, induction of stress response pathways and increased lifespan...
April 17, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28424867/j-shaped-relationship-between-habitual-coffee-consumption-and-10-year-2002-2012-cardiovascular-disease-incidence-the-attica-study
#11
Georgia-Maria Kouli, Demosthenes B Panagiotakos, Ekavi N Georgousopoulou, Duane D Mellor, Christina Chrysohoou, Adela Zana, Constantine Tsigos, Dimitrios Tousoulis, Christodoulos Stefanadis, Christos Pitsavos
PURPOSE: The purpose of this work was to evaluate the association between coffee consumption and 10-year cardiovascular disease (CVD) incidence in the ATTICA study, and whether this is modified by the presence or absence of metabolic syndrome (MetS) at baseline. METHODS: During 2001-2002, 3042 healthy adults (1514 men and 1528 women) living in the greater area of Athens were voluntarily recruited to the ATTICA study. In 2011-2012, the 10-year follow-up was performed in 2583 participants (15% of the participants were lost to follow-up)...
April 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28424436/-dyslipidemia-and-cardiovascular-risk-assessment-in-hiv-positive-patients
#12
Serhat Uysal, Mürşide Tuncel Başoğlu, Bahar Boydak, Deniz Gökengin
OBJECTIVE: Dyslipidemia is a major complication of antiretroviral treatment. Aim of the present study was to screen baseline lipid levels and cardiovascular disease risk in HIV-positive patients and analyze change in those parameters after initiation of antiretroviral treatment (ART). METHODS: HIV-positive patients who presented at our clinic between April 2011 and August 2012 were included. Study included 19 female (22.1%) and 67 male (77.9%) patients (mean age 39...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28420660/education-achievement-and-type-2-diabetes-what-mediates-the-relationship-in-older-adults-data-from-the-esther-study-a-population-based-cohort-study
#13
Christopher J Steele, Ben Schöttker, Adele H Marshall, Anne Kouvonen, Mark G O'Doherty, Ute Mons, Kai-Uwe Saum, Paolo Boffetta, Antonia Trichopoulou, Hermann Brenner, Frank Kee
OBJECTIVE: The study aims to identify the mediating factors of the relationship between education achievement and incident type 2 diabetes mellitus (T2DM) in older adults. DESIGN: Population-based cohort study. SETTING: Participants were recruited from the German federal state of Saarland. PARTICIPANTS: Participants were excluded if they had prevalent T2DM or missing data on prevalent T2DM, missing or zero follow-up time for incident T2DM or were under 50 years of age...
April 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28416613/hypoxia-inducible-factor-1%C3%AE-activates-insig-2-transcription-for-degradation-of-hmg-coa-reductase-in-the-liver
#14
Seonghwan Hwang, Andrew D Nguyen, Youngah Jo, Luke J Engelking, James Brugarolas, Russell A DeBose-Boyd
Cholesterol synthesis is a highly oxygen-consuming process. As such, oxygen deprivation (hypoxia) limits cholesterol synthesis through incompletely understood mechanisms mediated by the oxygen-sensitive transcription factor hypoxia-inducible factor (HIF)-1α. We show here that HIF-1α links pathways for oxygen sensing and feedback control of cholesterol synthesis in human fibroblasts by directly activating transcription of the INSIG-2 gene. Insig-2 is one of two endoplasmic reticulum (ER) membrane proteins that inhibit cholesterol synthesis by mediating sterol-induced ubiquitination and subsequent ER-associated degradation of the rate-limiting enzyme in the pathway, HMG CoA reductase (HMGCR)...
April 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28413464/anti-climacterium-effects-of-pomegranate-concentrated-solutions-in-ovariectomized-ddy-mice
#15
Su Jin Kang, Beom Rak Choi, Seung Hee Kim, Hae Yeon Yi, Hye Rim Park, Chang Hyun Song, Sae Kwang Ku, Young Joon Lee
In the present study, the complex anti-climacterium potential of standardized pomegranate concentrated solution (PCS) was investigated using bilateral ovariectomy (OVX) female ddY mice. Changes in body weight and gain during experimental periods, food consumption, serum estradiol levels, total body and abdominal fat densities, abdominal fat pads, and uterus weights were observed, along with the histopathology of abdominal fat pads and uterus for anti-obesity and estrogenic effects. In addition, liver weights, serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) levels, and histopathological inspections were performed to explore the hepato-protective effects...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412994/effects-of-high-fat-diet-on-somatic-growth-metabolic-parameters-and-function-of-peritoneal-macrophages-of-young-rats-submitted-to-a-maternal-low-protein-diet
#16
Maria Cláudia Alheiros-Lira, Gabriela Carvalho Jurema-Santos, Helyson Tomaz da-Silva, Amanda Cabral da-Silva, Sueli Moreno Senna, Wylla Tatiana Ferreira E Silva, José Candido Ferraz, Carol Góis Leandro
This study evaluated the effects of a post-weaning high-fat (HF) diet on somatic growth, food consumption, metabolic parameters, phagocytic rate and nitric oxide (NO) production of peritoneal macrophages in young rats submitted to a maternal low-protein (LP) diet. Male Wistar rats (aged 60 d) were divided in two groups (n 22/each) according to their maternal diet during gestation and lactation: control (C, dams fed 17 % casein) and LP (dams fed 8 % casein). At weaning, half of the groups were fed HF diet and two more groups were formed (HF and low protein-high fat (LP-HF))...
April 17, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28408969/effect-of-red-orange-juice-consumption-on-body-composition-and-nutritional-status-in-overweight-obese-female-a-pilot-study
#17
E Azzini, E Venneria, D Ciarapica, M S Foddai, F Intorre, M Zaccaria, F Maiani, L Palomba, L Barnaba, C Tubili, G Maiani, A Polito
The main objective of this research was to determine whether a commercial orange juice rich in anthocyanins could have an effect on body weight and on clinical parameters related to obesity including antioxidant status, lipid profile, and metabolic and inflammatory biomarkers. 11 women with an average BMI of 34.4 ± 4.8 kg/m(2) were enrolled in a pilot study. Over a period of 12 weeks they received 500 mL daily dose into two doses (250 mL) of commercial red orange juice (COJ). The biochemical parameters were measured at baseline and at the end of the study (12 weeks)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28408132/comparison-of-the-effects-of-major-fatty-acids-present-in-the-mediterranean-diet-oleic-acid-docosahexaenoic-acid-and-in-hydrogenated-oils-elaidic-acid-on-7-ketocholesterol-induced-oxiapoptophagy-in-microglial-bv-2-cells
#18
Meryam Debbabi, Amira Zarrouk, Maryem Bezine, Wiem Meddeb, Thomas Nury, Asmaa Badreddine, El Mostafa Karym, Randa Sghaier, Lionel Bretillon, Stéphane Guyot, Mohammad Samadi, Mustapha Cherkaoui-Malki, Boubker Nasser, Mondher Mejri, Sofien Ben-Hammou, Mohamed Hammami, Gérard Lizard
Increased levels of 7-ketocholesterol (7KC), which results mainly from cholesterol auto-oxidation, are often found in the plasma and/or cerebrospinal fluid of patients with neurodegenerative diseases and might contribute to activation of microglial cells involved in neurodegeneration. As major cellular dysfunctions are induced by 7KC, it is important to identify molecules able to impair its side effects. Since consumption of olive and argan oils, and fish is important in the Mediterranean diet, the aim of the study was to determine the ability of oleic acid (OA), a major compound of olive and argan oil, and docosahexaenoic acid (DHA) present in fatty fishes, such as sardines, to attenuate 7KC-induced cytotoxic effects...
April 10, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28406763/do-women-with-fibromyalgia-present-higher-cardiovascular-disease-risk-profile-than-healthy-women-the-al-%C3%A3-ndalus-project
#19
Pedro Acosta-Manzano, Víctor Segura-Jiménez, Fernando Estévez-López, Inmaculada C Álvarez-Gallardo, Alberto Soriano-Maldonado, Milkana Borges-Cosic, Blanca Gavilán-Carrera, Manuel Delgado-Fernández, Virginia A Aparicio
OBJECTIVES: To analyse the cardiovascular disease risk profile of women with fibromyalgia and compare it with control women; and to test whether physical activity is associated with the cardiovascular disease risk profile in this population. METHODS: This cross-sectional study comprised 436 women with fibromyalgia (51.4±7.5 years old) and 217 controls (48.4±9.6 years old) from Andalusia, Spain. Clinical data, waist circumference, body fat percentage, resting heart rate, blood pressure and cardiorespiratory fitness were assessed...
April 5, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28405814/effects-of-coconut-oil-consumption-on-energy-metabolism-cardiometabolic-risk-markers-and-appetitive-responses-in-women-with-excess-body-fat
#20
Flávia Xavier Valente, Flávia Galvão Cândido, Lílian Lelis Lopes, Desirrê Morais Dias, Samantha Dalbosco Lins Carvalho, Patrícia Feliciano Pereira, Josefina Bressan
PURPOSE: Virgin coconut oil (VCO) is a medium-chain fatty acid source with popularly attributed benefits on obesity management. However, its role on obesity requires elucidation due to its saturated nature. In the study herein, we investigated acute effects of VCO consumption on energy metabolism, cardiometabolic risk markers, and appetitive responses in women with excess body fat. METHODS: Fifteen adult women with excess body fat (37.43 ± 0.83%) participated in this randomized, crossover, controlled study...
April 12, 2017: European Journal of Nutrition
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