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https://www.readbyqxmd.com/read/29761507/upregulation-of-the-adipokine-genes-adipor1-and-spp1-is-related-to-poor-survival-outcomes-in-colorectal-cancer
#1
Eun K Choe, Jin W Yi, Young J Chai, Kyu J Park
BACKGROUND: Obesity is closely associated with colorectal cancer (CRC), but the underlying mechanism is unclear. We thus evaluated the expression of the adipokine gene family in CRC tissues and its clinicopathological implications. METHODS: Correlations between the mRNA expression levels of the adipokine gene family (ADIPOQ, ADIPOR1/2, LEP, LEPR, RETN, RETNLB, RBP4, SFRP5, NAMPT, and SPP1) in CRC tissue and clinicopathologic factors were analyzed using data from The Cancer Genome Atlas database...
May 14, 2018: Journal of Surgical Oncology
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
#2
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/29758201/dietary-vitamin-a-impacts-dna-methylation-patterns-of-adipogenesis-related-genes-in-suckling-rats
#3
A Arreguín, J Ribot, H Musinovic, J von Lintig, A Palou, M L Bonet
We previously showed that vitamin A supplementation in early life impacts white adipose tissue (WAT) biology. We here studied the vitamin's effects on DNA methylation of genes crucial for WAT cell development, determination and metabolism. CpG promoter methylation and mRNA expression of Pparg, Zfp423, Pcna, and Rbp4 was compared in inguinal WAT of 21-day-old rats supplemented during the suckling period with vehicle (controls) or an emulsion of vitamin A as retinyl ester (RE) or β-carotene (BC). The methylation profile of promoters was affected by vitamin A supplementation with pronounced differences between the RE and BC groups...
May 11, 2018: Archives of Biochemistry and Biophysics
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
#4
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/29747483/circulating-levels-of-apelin-36-in-patients-with-mild-to-moderate-psoriasis
#5
Alessandra Capo, Marta Di Nicola, Erica Costantini, Marcella Reale, Paolo Amerio
BACKGROUND: Affecting vascular function, immune regulation, adipocyte and glucose metabolism, adipokines are essential partecipants in the pathogenesis of psoriatic comorbidities such as metabolic syndrome and insulin resistance. The aim of this study is to measure plasma levels of circulating apelin-36, a newly discovered peptide hormone acting on glucose metabolism and other adipokines in patients with mild to moderate psoriasis and in a control group. METHODS: Serum levels of apelin-36, RBP4, Visfatin, HMW Adiponectin, CRP, fasting glucose and insulin were measured in 19 consecutive patients with mild to moderate psoriasis and 17 healthy subjects...
May 10, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29740470/a-glycine-rich-rna-binding-protein-csgr-rbp3-is-involved-in-defense-responses-against-cold-stress-in-harvested-cucumber-cucumis-sativus-l-fruit
#6
Bin Wang, Guang Wang, Fei Shen, Shijiang Zhu
Plant glycine-rich RNA-binding proteins (GR-RBPs) have been shown to play important roles in response to abiotic stresses in actively proliferating organs such as young plants, root tips, and flowers, but their roles in chilling responses of harvested fruit remains largely unknown. Here, we investigated the role of CsGR-RBP3 in the chilling response of cucumber fruit. Pre-storage cold acclimation at 10°C (PsCA) for 3 days significantly enhanced chilling tolerance of cucumber fruit compared with the control fruit that were stored at 5°C...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29738484/human-macrophages-preferentially-infiltrate-the-superficial-adipose-tissue
#7
Giuseppe Cappellano, Evi M Morandi, Johannes Rainer, Philipp Grubwieser, Katharina Heinz, Dolores Wolfram, David Bernhard, Susanne Lobenwein, Gerhard Pierer, Christian Ploner
Human abdominal subcutaneous adipose tissue consists of two individual layers—the superficial adipose tissue (SAT) and deep adipose tissue (DAT)—separated by the Scarpa’s fascia. The present study focuses on the analysis of morphological and immunological differences of primary adipocytes, adipose-derived stem cells (ASC), and tissue-infiltrating immune cells found in SAT and DAT. Adipocytes and stromal vascular fraction (SVF) cells were isolated from human SAT and DAT specimens and phenotypically characterized by in vitro assays...
May 8, 2018: International Journal of Molecular Sciences
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
#8
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/29688820/elucidating-differential-nano-bio-interactions-of-multi-walled-andsingle-walled-carbon-nanotubes-using-subcellular-proteomics
#9
Joseph D T Ndika, Jukka Sund, Harri Alenius, Anne Puustinen
Understanding the relationship between adverse exposure events and specific material properties will facilitate predictive classification of carbon nanotubes (CNTs) according to their mechanisms of action, and a safe-by-design approach for the next generation of CNTs. Mass-spectrometry-based proteomics is a reliable tool to uncover the molecular dynamics of hazardous exposures, yet challenges persist with regards to its limited dynamic range when sampling whole organisms, tissues or cell lysates. Here, the simplicity of the sub-cellular proteome was harnessed to unravel distinctive adverse exposure outcomes at the molecular level, between two CNT subtypes...
April 24, 2018: Nanotoxicology
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
#10
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
https://www.readbyqxmd.com/read/29678848/circulating-rbp4-increase-and-its-diagnosis-of-chronic-kidney-disease
#11
Chunhua Xun, Yong Zhao, Wenjuan Wang, Changming Chen
OBJECTIVE: Sera retinol binding protein 4 (RBP4) has been associated with renal function. We determined the concentration of sera RBP4 in chronic kidney disease (CKD) and found its diagnostic value for CKD. MATERIALS AND METHODS: The sera samples were collected from 51 patients with CKD and 30 healthy control. The presence of circulating RBP4 was quantified by Enzyme-linked immunosorbent assay (ELISA), cystain C (CysC), urea, creatinine (CREA), uric acid (UA), total protein (TP), albumin (ALB) and 24 hours urinary protein (PRO) were examined by automatic biochemical analyzer...
March 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29642915/adipokine-rbp4-drives-ovarian-cancer-cell-migration
#12
Yanyan Wang, Yilin Wang, Zhenyu Zhang
BACKGROUND: Obesity has been linked to several types of cancers including ovarian cancer. Retinol binding protein 4 (RBP4) is an adipokine that drives the development of hyperinsulinemia and type II diabetes in obesity patients and animals. Previously, we have identified RBP4 as a serum marker for ovarian cancer. Here we further explored the consequence of RBP4 upregulation in ovarian cancer cells and its molecular mechanism. RESULTS: Our results show that RBP4 is overexpressed in ovarian cancer cells to the same extent as in adipose tissues...
April 11, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29618920/vitreous-levels-of-apolipoprotein-a1-and-retinol-binding-protein-4-in-human-rhegmatogenous-retinal-detachment-associated-with-choroidal-detachment
#13
Nannan Ding, Shasha Luo, Jinjin Yu, Ying Zhou, Zhifeng Wu
Purpose: This study aims to quantify the concentration of apolipoprotein A1 (APOA1) and retinol binding protein (RBP4) expressed in the vitreous humors of patients with rhegmatogenous retinal detachment associated with choroidal detachment (RRDCD), rhegmatogenous retinal detachment (RRD), and idiopathic epimacular membrane (IEM). This study also aims to investigate the potential role of APOA1 and RBP4 as biomarkers of RRDCD. Methods: Enzyme-linked immunosorbent assay (ELISA) kits were used to obtain levels of APOA1 and RBP4 from the vitreous humor samples of 76 primary patients...
2018: Molecular Vision
https://www.readbyqxmd.com/read/29611167/proteomics-study-of-serum-exosomes-in-kawasaki-disease-patients-with-coronary-artery-aneurysms
#14
Xiao-Fei Xie, Hong-Juan Chu, Yu-Fen Xu, Liang Hua, Zhou-Ping Wang, Ping Huang, Hong-Ling Jia, Li Zhang
BACKGROUND: To study the protein profile of the serum exosomes of patients with coronary artery aneurysms (CAA) caused by Kawasaki disease (KD). METHODS: Two-dimensional electrophoresis (2-DE) was used to identify proteins from the exosomes of serum obtained from children with CAA caused by KD, as well as healthy controls. Differentially expressed proteins were identified using matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry (MALDI-TOF/TOF MS) analysis...
April 3, 2018: Cardiology Journal
https://www.readbyqxmd.com/read/29594435/higher-serum-carotenoids-associated-with-improvement-of-non-alcoholic-fatty-liver-disease-in-adults-a-prospective-study
#15
Mian-Li Xiao, Geng-Dong Chen, Fang-Fang Zeng, Rui Qiu, Wen-Qi Shi, Jie-Sheng Lin, Yi Cao, Hua-Bin Li, Wen-Hua Ling, Yu-Ming Chen
PURPOSE: Previous studies have suggested that serum carotenoids might be inversely associated with non-alcoholic fatty liver disease (NAFLD), but little data came from longitudinal studies. We prospectively examined the associations between serum-carotenoid levels and NAFLD severity and the intermediary effects of retinol-binding protein 4 (RBP4), HOMA insulin-resistance index (HOMA-IR), body mass index (BMI), and serum triglycerides in middle-aged and elderly Chinese adults. METHODS: This prospective study included 3336 Chinese adults (40-75 years)...
March 29, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29567832/retinol-dehydrogenase-11-is-essential-for-the-maintenance-of-retinol-homeostasis-in-liver-and-testis-in-mice
#16
Olga V Belyaeva, Lizhi Wu, Igor Shmarakov, Peter S Nelson, Natalia Y Kedishvili
Retinol dehydrogenase 11 (RDH11) is a microsomal short-chain dehydrogenase/reductase that recognizes all- trans - and cis -retinoids as substrates and prefers NADPH as a cofactor. Previous work has suggested that RDH11 contributes to the oxidation of 11- cis -retinol to 11- cis -retinaldehyde during the visual cycle in the eye's retinal pigment epithelium. However, the role of RDH11 in metabolism of all- trans -retinoids remains obscure. Here, we report that microsomes isolated from the testes and livers of Rdh11-/- mice fed a regular diet exhibited a 3-fold and 1...
March 22, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29558965/regulation-by-fsh-of-the-dynamic-expression-of-retinol-binding-protein-4-in-the-mouse-ovary
#17
Yanwen Jiang, Yun Zhao, Shuxiong Chen, Lu Chen, Chunjin Li, Xu Zhou
BACKGROUND: Ovarian retinoid homeostasis plays an important role in the physiological function of the ovary. Retinol-binding protein 4 (RBP4) acts as the mediator for the systemic and intercellular transport of retinol and is heavily involved in cellular retinol influx, efflux, and exchange. However, the expression patterns and regulatory mechanisms of Rbp4 in the ovary remain unclear. METHODS: The expression pattern of ovarian Rbp4 was examined in immature mice during different developmental stages and in adult mice during different stages of the estrous cycle...
March 20, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29524177/components-of-metabolic-syndrome-in-relation-to-plasma-levels-of-retinol-binding-protein-4-rbp4-in-a-cohort-of-people-aged-65-years-and-older
#18
M Majerczyk, P Kocełak, P Choręza, H Arabzada, A J Owczarek, M Bożentowicz-Wikarek, A Brzozowska, A Szybalska, M Puzianowska-Kuźnicka, T Grodzicki, A Więcek, M Olszanecka-Glinianowicz, J Chudek
PURPOSE: Elevated plasma concentration of retinol binding protein 4 (RBP4) has recently emerged as a potential risk factor as a component of developing metabolic syndrome (MS). Therefore, this study aimed to analyse the relationship between components of MS and concentrations of plasma RBP4 in a population of subjects 65 years and older. METHODS: The study sample consisted of 3038 (1591 male) participants of the PolSenior study, aged 65 years and older. Serum lipid profile, concentrations of RBP4, glucose, insulin, C-reactive protein, IL-6, and activity of aminotransferases were measured...
March 9, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29521054/the-significance-of-anthocyanins-in-the-prevention-and-treatment-of-type-2-diabetes
#19
REVIEW
Dorota Różańska, Bożena Regulska-Ilow
Anthocyanins are food compounds which belong to polyphenols and can mainly be found in dark fruits (e.g., blueberries, black currants, cranberries) and vegetables (e.g., red cabbage, radish, eggplant). The results of large research have shown that these compounds play an important role in the prevention of type 2 diabetes (T2D). In rodent studies and in studies with isolated omental adipocytes, it was observed that anthocyanins regulated the carbohydrate metabolism in the body due to the upregulation of GLUT4 (insulinregulated glucose transporter) translocation, increased activation of PPARγ (peroxisome proliferator-activated receptor-γ) in adipose tissue and skeletal muscles as well as increased secretion of adiponectin and leptin...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29520099/comparative-proteomic-profiling-and-biomarker-identification-of-traditional-chinese-medicine-based-hiv-aids-syndromes
#20
Li Wen, Ye-Fang Liu, Cen Jiang, Shao-Qian Zeng, Yue Su, Wen-Jun Wu, Xi-Yang Liu, Jian Wang, Ying Liu, Chen Su, Bai-Xue Li, Quan-Sheng Feng
Given the challenges in exploring lifelong therapy with little side effect for human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) cases, there is increasing interest in developing traditional Chinese medicine (TCM) treatments based on specific TCM syndrome. However, there are few objective and biological evidences for classification and diagnosis of HIV/AIDS TCM syndromes to date. In this study, iTRAQ-2DLC-MS/MS coupled with bioinformatics were firstly employed for comparative proteomic profiling of top popular TCM syndromes of HIV/AIDS: accumulation of heat-toxicity (AHT) and Yang deficiency of spleen and kidney (YDSK)...
March 8, 2018: Scientific Reports
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