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https://www.readbyqxmd.com/read/29786448/serum-rbp4-positively-correlates-with-triglyceride-level-but-not-with-bmi-fat-mass-and-insulin-resistance-in-healthy-obese-and-non-obese-individuals
#1
Emilia Korek, Magdalena Gibas-Dorna, Zuzanna Chęcińska-Maciejewska, Hanna Krauss, Małgorzata Łagiedo-Żelazowska, Barbara Kołodziejczak, Paweł Bogdański
PURPOSE: Retinol binding protein 4 (RBP4) has recently been identified as an adipokine possibly involved in the development of impaired glucose metabolism. We aimed to test serum RBP4 in healthy non-obese individuals and in patients with well-characterized phenotype: obesity without confounding effects of diabetes, metabolic syndrome or dyslipidemia. Additionally, we examined whether serum RBP4 is associated with anthropometric parameters, insulin resistance and blood lipid parameters...
May 22, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29785210/adipose-tissue-derived-cytokines-and-their-correlations-with-clinical-characteristics-in-vietnamese-patients-with-type-2-diabetes-mellitus
#2
Nguyen Linh Toan, Nguyen Van Hoan, Doan Viet Cuong, Nguyen Viet Dung, Phan The Dung, Ngo Thu Hang, Do Thi Huyen Dieu, Dang Thanh Chung, Ho Anh Son, Pham Xuan Phong, George Binh Lenon, Doan Van De, Hoang Van Tong
Background: Adipokines are involved in the pathogenesis of metabolic disorders including obesity and type 2 diabetes mellitus (T2DM). This study investigates the levels of leptin, resistin, visfatin, secreted frizzled-related protein 5 (SFRP5), monocyte chemoattractant protein-1 (MCP-1) and retinol-binding protein 4 (RBP4) and their correlations with clinical parameters of overweight and T2DM. Methods: We recruited overweight 50 patients with T2DM, 88 non-overweight patients with T2DM, 29 overweight and 100 non-overweight individuals devoid of T2DM for this study...
2018: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29779810/association-between-nutritional-blood-based-biomarkers-and-clinical-outcome-in-sarcopenia-patients
#3
Salah Gariballa, Awad Alessa
BACKGROUND: Although several micronutrients deficiency were reported to be associated with poor muscle function, however information on sarcopenia patients is still lacking. The aim of this report was to measure some micronutrients blood-based status in sarcopenia patients during both acute illness and recovery. DESIGN: We assessed nutritional status of randomly selected hospitalised patients using anthropometric, haematological and biochemical data at baseline, 6 weeks and at 6 months...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29759068/childhood-retinol-binding-protein-4-rbp4-levels-predicting-the-10-year-risk-of-insulin-resistance-and-metabolic-syndrome-the-bcams-study
#4
Ge Li, Issy C Esangbedo, Lu Xu, Junling Fu, Lujiao Li, Dan Feng, Lanwen Han, Xinhua Xiao, Mingyao Li, Jie Mi, Ming Li, Shan Gao, Steven M Willi
BACKGROUND: Elevated retinol-binding protein 4 (RBP4) levels may contribute to the development of metabolic abnormalities, but prospective studies evaluating the association between childhood RBP4 levels and metabolic syndrome (MS) in adulthood are lacking. We investigated whether RBP4 levels during childhood predict cardiometabolic risk at 10-year follow-up. METHODS: The relationships between RBP4 levels, the established adipokines (leptin and adiponectin) and the components of MS were examined in 3445 school-aged children recruited in 2004 for the Beijing Child and Adolescent Metabolic Syndrome study...
May 14, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29756978/comparative-study-of-the-nutritional-status-of-vitamin-a-in-pregnant-women-and-in-women-who-became-pregnant-or-did-not-after-roux-en-y-gastric-bypass
#5
Sabrina Cruz, Suzana Machado, Suelem Cruz, Sílvia Pereira, Carlos Saboya, Andréa Ramalho
INTRODUCTION: the changes in digestive physiology after Roux-en-Y gastric bypass (RYGB), as well as pregnancy, maximizes the risk of vitamin A deficiency (VAD) and both can result in harm to the mother and child health. OBJECTIVE: to compare the nutritional status of vitamin A among women who became pregnant or did not after RYGB and in pregnant women who did not undergo surgery, and to assess the impact of VAD on the mother and child health. METHODS: this is a cross-sectional study of the analytical type...
January 18, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29753390/corrigendum-to-toxicogenetic-study-of-omeprazole-and-the-modulatory-effects-of-retinol-palmitate-and-ascorbic-acid-on-allium-cepa-chemosphere-204-2018-220-226
#6
Antonio Lima Braga, Ag-Anne Pereira Melo de Meneses, Jose Victor de Oliveira Santos, Antonielly Campinho Dos Reis, Rosalia Maria Torres de Lima, Ana Maria Oliveira Ferreira da Mata, Marcia Fernanda Correia Jardim Paz, Leane Brunelle Dos Santos Alves, Subrata Shaw, Shaikh Jamal Uddin, Razina Rouf, Asish Kumar Das, Shrabanti Dev, Manik Chandra Shill, Jamil A Shilpi, Ishaq N Khan, Muhammad Torequl Islam, Eunüs S Ali, Mohammad S Mubarak, Siddhartha Kumar Mishra, Jõao Marcelo de Castro E Sousa, Ana Amelia de Carvalho Melo-Cavalcante
No abstract text is available yet for this article.
May 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29750879/dha-upregulates-fads2-expression-in-primary-cortical-astrocytes-exposed-to-vitamin-a
#7
B Dziedzic, D Bewicz-Binkowska, E Zgorzynska, D Stulczewski, L Wieteska, B Kaza, A Walczewska
The fads2 gene encoding delta6-desaturase, the rate-limiting enzyme in the LCPUFA biosynthesis is expressed in astrocytes. Dietary fatty acids, which cross the blood-brain barrier may regulate the transcription of lipogenic enzymes through activation of transcription factors such as peroxisome proliferator-activated receptors (PPARs). The PPARs form the transcription complex with retinoid X receptors (RXRs) that are activated by 9-cis retinol, a metabolite of vitamin A (VA). The study examines whether challenge of astrocytes with VA, prior 24-hour treatment with palmitic acid (PA), alpha-linolenic acid (ALA) or docosahexaenoic acid (DHA) has the effect on the FADS2 expression...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29747616/association-of-retinol-binding-protein-4-and-transthyretin-with-triglyceride-levels-and-insulin-resistance-in-rural-thais-with-high-type-2-diabetes-risk
#8
Karunee Kwanbunjan, Pornpimol Panprathip, Chanchira Phosat, Noppanath Chumpathat, Naruemon Wechjakwen, Somchai Puduang, Ratchada Auyyuenyong, Ina Henkel, Florian J Schweigert
BACKGROUND: Retinol binding protein 4 (RBP4), a protein secreted by adipocytes and bound in plasma to transthyretin (TTR), has been associated with obesity, the early phase of insulin resistance, metabolic syndrome, and type 2 diabetes mellitus. The objective of this study was to elucidate the relationship between RBP4, TTR, triglyceride (TG) and type 2 diabetes risk in rural Thailand. METHODS: We measured the serum RBP4, TTR, glucose, triglyceride and insulin levels, and glucose tolerance of 167 volunteers from Sung Noen District, Nakhon Ratchasima Province, Thailand...
May 10, 2018: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/29747473/supercritical-fluid-chromatography-with-photodiode-array-detection-in-the-determination-of-fat-soluble-vitamins-in-hemp-seed-oil-and-waste-fish-oil
#9
Katarzyna Tyśkiewicz, Roman Gieysztor, Izabela Maziarczyk, Paweł Hodurek, Edward Rój, Krystyna Skalicka-Woźniak
In the presented study for the first time a new, optimized, fast SFC (supercritical fluid chromatography) method was applied to separate in one run fat-soluble vitamins from waste fish oil, including cis -and tran s-retinyl palmitate, cis - and trans -retinyl acetate, retinol, α-tocopherol, β-tocopherol, γ‑tocopherol, δ-tocopherol, ergocalciferol (D₂), cholecalciferol (D₃), cis - and trans -phylloquinone (K₁) and menaquinone-4 (K₂-MK4). Vitamins were baseline separated on an Acquity UPC² (ultra performance convergence chromatography) HSS C18 SB (highly strength chemically modified silica) column within 13 min...
May 10, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29743767/pressure-ulcer-and-nutrition
#10
REVIEW
Seied Hadi Saghaleini, Kasra Dehghan, Kamran Shadvar, Sarvin Sanaie, Ata Mahmoodpoor, Zohreh Ostadi
Pressure ulcers can diminish global life quality, contribute to rapid mortality in some patients and pose a significant cost to health-care organizations. Accordingly, their prevention and management are highly important. Nutritional deprivation and insufficient dietary intake are the key risk factors for the development of pressure ulcers and impaired wound healing. Unplanned weight loss is a major risk factor for malnutrition and pressure ulcer development. Suboptimal nutrition interferes with the function of the immune system, collagen synthesis, and tensile strength...
April 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29743162/telomere-length-and-lung-cancer-mortality-among-heavy-smokers
#11
Jennifer A Doherty, Laurie Grieshober, John R Houck, Matthew J Barnett, Jean de Dieu Tapsoba, Mark Thornquist, Ching-Yun Wang, Gary E Goodman, Chu Chen
BACKGROUND: Accumulating evidence suggests that short telomere length is associated with increased overall mortality, but the relationship with cancer mortality is less clear. We examined whether telomere length (global, and chromosome arm 5p- and 13q-specific) is associated with lung cancer mortality among cases from the Beta Carotene and Retinol Efficacy Trial of heavy smokers. METHODS: Telomere length was measured on average six years before diagnosis for 788 lung cancer cases...
May 9, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29729124/analysis-of-retinol-%C3%AE-tocopherol-25-hydroxyvitamin-d2-and-25-hydroxyvitamin-d3-in-plasma-of-patients-with-cardiovascular-disease-by-hplc-ms-ms-method
#12
Marta Karaźniewicz-Łada, Anna Główka, Anna Komosa, Łukasz Kruszyna, Agnieszka Graczyk-Szuster, Maciej Lesiak, Dagmara Sowińska, Juliusz Przysławski
Fat-soluble vitamins play a pivotal role in the progression of atherosclerosis and development of cardiovascular disease. Therefore, plasma monitoring of their concentrations may be useful in the diagnosis of these disorders as well as in the process of treatment. The study aimed to develop and validate an HPLC-MS/MS method for determination of retinol, α-tocopherol, 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 in plasma of patients with cardiovascular disease. The analytes were separated on HPLC Kinetex F5 column via gradient elution with water and methanol, both containing 0...
May 5, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29722838/vitamin-a-and-d-intake-in-pregnancy-infant-supplementation-and-asthma-development-the-norwegian-mother-and-child-cohort
#13
Christine L Parr, Maria C Magnus, Øystein Karlstad, Kristin Holvik, Nicolai A Lund-Blix, Margareta Haugen, Christian M Page, Per Nafstad, Per M Ueland, Stephanie J London, Siri E Håberg, Wenche Nystad
Background: Western diets may provide excess vitamin A, which is potentially toxic and could adversely affect respiratory health and counteract benefits from vitamin D. Objective: The aim of this study was to examine child asthma at age 7 y in relation to maternal intake of vitamins A and D during pregnancy, infant supplementation with these vitamins, and their potential interaction. Design: We studied 61,676 school-age children (born during 2002-2007) from the Norwegian Mother and Child Cohort with data on maternal total (food and supplement) nutrient intake in pregnancy (food-frequency questionnaire validated against biomarkers) and infant supplement use at age 6 mo (n = 54,142 children)...
May 1, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29722110/biochemical-comparison-of-8-hour-haemodialysis-and-4-hour-haemodiafiltration-and-two-dialysis-membranes-in-a-randomised-cross-over-trial
#14
Shi Z Choo, Kevan R Polkinghorne, Peter G Kerr
AIM: Extended-hours haemodialysis has long been regarded as the optimal form of dialysis for solute clearance. With emerging benefits of haemodiafiltration, we wanted to compare these two head-to-head. METHODS: In this randomised cross-over trial, we recruited existing nocturnal haemodialysis patients, who had not been hospitalised in the prior three months. After a baseline 8-hour haemodialysis session, subjects were randomised to either 2 weeks of 8-hour haemodialysis or 4-hour haemodiafiltration with cross-over to the alternative treatment after a 2-week washout period...
May 2, 2018: Nephrology
https://www.readbyqxmd.com/read/29721989/the-retinol-binding-protein-receptor-2-rbpr2-is-required-for-photoreceptor-survival-and-visual-function-in-the-zebrafish
#15
Glenn P Lobo, Gayle Pauer, Joshua H Lipschutz, Stephanie A Hagstrom
Vitamin A/retinol (ROL) and its metabolites (retinoids) play critical roles in eye development and photoreception. Short-term dietary vitamin A deficiency (VAD) manifests clinically as night blindness, while prolonged VAD is known to cause retinal pigment epithelium (RPE) and photoreceptor degeneration. Therefore, sustained uptake of dietary vitamin A, for ocular retinoid production, is essential for photoreceptor health and visual function. The mechanisms influencing the uptake, storage, and supply of dietary vitamin A, for ocular retinoid production, however, are not fully understood...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29720147/crbp-1-over-expression-is-associated-with-poor-prognosis-in-tongue-squamous-cell-carcinoma
#16
Yue Chen, Tian Tian, Min-Jie Mao, Wei-Ye Deng, Hao Li
BACKGROUND: Tongue squamous cell carcinoma (TSCC) is one of the most common malignancies of oral squamous cell carcinomas. Cellular retinol binding protein-1 (CRBP-1) as a carrier protein transports retinol from the liver storage site to peripheral tissue. Up-regulated expression of CRBP-1 is associated with some tumor types such as prostate cancer, breast cancer and ovarian cancer as reported, but its role in TSCC remains uncertain. METHODS: In this study, an integrated bioinformatics analysis based on the multiple cancer microarray data sets available from Oncomine database was conducted to view the differential expression of CRBP-1 between TSCC and the adjacent non-tumorous tissues...
May 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29704879/topical-retinol-attenuates-stress-induced-aging-signs-in-human-skin-ex-vivo-through-egfr-activation-via-egf-but-not-erk-and-ap-1-activation
#17
Bruna Romana-Souza, Welker Silva-Xavier, Andréa Monte-Alto-Costa
Stress-induced oxidative damage and the inflammatory response lead to degradation of collagen and elastic fibers and wrinkle formation. Topical retinol (or vitamin A) can be a strategy to attenuate the effects of stress in skin since it promotes collagen and elastic fiber production and reduces protease synthesis. This study investigated the effect of topical retinol in stressed human skin using in vivo and ex vivo models. Human skin explants were treated with high levels of epinephrine (as observed in stressed patients) and topically with retinol for 13 days...
April 28, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/29699808/vitamin-a-and-retinoic-acid-exhibit-protective-effects-on-necrotizing-enterocolitis-by-regulating-intestinal-flora-and-enhancing-the-intestinal-epithelial-barrier
#18
Sa Xiao, Qiuping Li, Kun Hu, Yu He, Qing Ai, Liuhong Hu, Jialin Yu
BACKGROUND: Exaggerated inflammation that characterizes necrotizing enterocolitis (NEC) is caused by the invasion of pathogens through an immature intestinal barrier. Vitamin A (VA) and retinoic acid (RA) play important roles in the growth of epithelial tissue and in modulating immune function. OBJECTIVE: To investigate the roles of VA and RA in the development of NEC. METHODS: Levels of serum retinol in patients and in a NEC mouse model were detected with high-performance liquid chromatography...
April 23, 2018: Archives of Medical Research
https://www.readbyqxmd.com/read/29691457/metabolic-and-cardiac-adaptation-to-chronic-pharmacologic-blockade-of-facilitative-glucose-transport-in-murine-dilated-cardiomyopathy-and-myocardial-ischemia
#19
Monique R Heitmeier, Maria A Payne, Carla Weinheimer, Attila Kovacs, Richard C Hresko, Patrick Y Jay, Paul W Hruz
GLUT transgenic and knockout mice have provided valuable insight into the role of facilitative glucose transporters (GLUTs) in cardiovascular and metabolic disease, but compensatory physiological changes can hinder interpretation of these models. To determine whether adaptations occur in response to GLUT inhibition in the failing adult heart, we chronically treated TG9 mice, a transgenic model of dilated cardiomyopathy and heart failure, with the GLUT inhibitor ritonavir. Glucose tolerance was significantly improved with chronic treatment and correlated with decreased adipose tissue retinol binding protein 4 (RBP4) and resistin...
April 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29679552/serum-retinol-binding-protein-4-and-galectin-3-binding-protein-as-novel-markers-for-postmenopausal-nonalcoholic-fatty-liver-disease
#20
Hong Cai, Sha Lu, Yueming Chen, Sayantana Das Mbbs Mrcog, Zheng Niu, Guangchao Zhuo, Lei Lai, Zhifen Zhang
OBJECTIVE: To investigate the differential protein expression before and after menopause in women with nonalcoholic fatty liver disease (NAFLD) and to explore novel markers for menopausal NAFLD. METHODS: Eight serum samples collected from pre- or post-menopausal women with NAFLD were analysed by iTRAQ 2D-LC-MS/MS. Two protein candidates were selected and verified by enzyme-linked immunosorbent assay (ELISA) in serum samples collected from a one hundred and fifty-three female population subsequently, including 51 in post-menopausal status with NAFLD, 41 in pre-menopausal with NAFLD, 19 healthy individuals in post-menopausal status and 42 healthy pre-menopausal women...
April 19, 2018: Clinical Biochemistry
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