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Zihe Zheng, Jane L Harman, Josef Coresh, Anna Köttgen, Mara A McAdams-DeMarco, Adolfo Correa, Bessie A Young, Ronit Katz, Casey M Rebholz
Background: A high fructose intake has been shown to be associated with increased serum urate concentration, whereas ascorbate (vitamin C) may lower serum urate by competing with urate for renal reabsorption. Objective: We assessed the combined association, as the fructose:vitamin C intake ratio, and the separate associations of dietary fructose and vitamin C intakes on prevalent hyperuricemia. Methods: We conducted cross-sectional analyses of dietary intakes of fructose and vitamin C and serum urate concentrations among Jackson Heart Study participants, a cohort of African Americans in Jackson, Mississippi, aged 21-91 y...
March 1, 2018: Journal of Nutrition
Jun Morinaga, Jiabin Zhao, Motoyoshi Endo, Tsuyoshi Kadomatsu, Keishi Miyata, Taichi Sugizaki, Yusuke Okadome, Zhe Tian, Haruki Horiguchi, Kazuya Miyashita, Nobuhiro Maruyama, Masashi Mukoyama, Yuichi Oike
PURPOSE: Angiopoietin-like proteins (ANGPTLs) 3, 4, and 8 reportedly contribute to progression of metabolic disease, a risk factor for cardiovascular disease (CVD). The purpose of this study was to investigate whether circulating ANGPTL levels are associated with CVD risk after adjustment for potential confounding factors. METHODS: We conducted a single center, cross-sectional study of 988 Japanese subjects undergoing routine health checks. Serum ANGPTL3, 4, and 8 levels were measured using an enzyme-linked immunosorbent assay...
2018: PloS One
Hyung-Jae Choi, Dae-Hun Park, Seung-Hui Song, In-Soo Yoon, Seung-Sik Cho
Dendropanax morbifera Leveille (Araliaceae) has been used in traditional oriental remedies for cancer, inflammation, diabetes, and thrombosis. However, a validated analytical method, standardization, and optimization of extraction conditions with respect to biological activity have not been reported. In this study, a simple and validated HPLC method for identifying and quantifying active substances in D. morbifera was developed. Hot water and ethanolic D. morbifera leaf extracts from different production regions were prepared and evaluated with regard to their chemical compositions and biological activities...
March 13, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Meiling Yan, Kankai Chen, Li He, Shuai Li, Dong Huang, Jingbo Li
BACKGROUND/AIMS: Hyperuricemia is associated with an increased risk for multiple cardiovascular diseases, but the underlying mechanisms remain largely elusive. Calpain-1 is a protease that is implicated in several pathological conditions that affect the heart. The aim of this current study was to test the effects of uric acid (UA) on cardiomyocyte survival and cardiac function and to investigate the role of calpain-1 in the UA-induced effects in the heart and their underlying mechanisms...
March 7, 2018: Cellular Physiology and Biochemistry
Miguel A Lanaspa, Ana Andres-Hernando, David J Orlicky, Christina Cicerchi, Cholsoon Jang, Nanxing Li, Tamara Milagres, Masanari Kuwabara, Michael F Wempe, Joshua D Rabinowitz, Richard J Johnson, Dean R Tolan
Increasing evidence suggests a role for excessive intake of fructose in the Western diet as a contributor to the current epidemics of metabolic syndrome and obesity. Hereditary fructose intolerance (HFI) is a difficult and potentially lethal orphan disease associated with impaired fructose metabolism. In HFI, the deficiency of a particular aldolase, aldolase B, results in the accumulation of intracellular phosphorylated fructose thus leading to phosphate sequestration and depletion, increased ATP turnover and a plethora of conditions leading to clinical manifestations including fatty liver, hyperuricemia, Fanconi syndrome and severe hypoglycemia...
March 13, 2018: Journal of Clinical Investigation
Peige Song, He Wang, Wei Xia, Xinlei Chang, Manli Wang, Lin An
Hyperuricemia, the physiological prerequisite for gout, is linked to the presence and severity of multiple comorbidities that affect longevity and well-being. By using the baseline data from the China Health and Retirement Longitudinal Study, a nationally representative survey, the prevalence of hyperuricemia in general middle-aged and older Chinese was estimated. The potential effects of health behaviours and comorbidities on hyperuricemia were also explored. In 2010, the prevalence of hyperuricemia among middle-aged and older Chinese was 6...
March 12, 2018: Scientific Reports
Rosalinda Posadas-Sánchez, Javier Angeles-Martínez, Nonanzit Pérez-Hernández, José Manuel Rodríguez-Pérez, Fabiola López-Bautista, Carmina Flores-Dominguez, José Manuel Fragoso, Carlos Posadas-Romero, Gilberto Vargas-Alarcón
Interleukin 10 (IL-10) is an anti-inflammatory cytokine with a protective role in the formation and the development of the atherosclerotic plaque. The aim of the present study was to establish if IL-10 gene polymorphisms are associated with the development of premature coronary artery disease (pCAD) and cardiovascular risk factors in Mexican individuals. Three IL-10 gene polymorphisms [-592C/A (rs1800872), -819C/T (rs1800871), and -1082 A/G (rs1800896)] and IL-10 plasma levels were analyzed in 2266 individuals (1160 pCAD patients and 1106 healthy controls)...
March 8, 2018: Cytokine
Ana Isabel Ilundain-González, José Antonio Gimeno-Orna, Daniel Sáenz-Abad, Jordi Pons-Dolset, Jesús Cebollada-Del Hoyo, María Del Carmen Lahoza-Pérez
BACKGROUND: Hyperuricemia is associated to cardiovascular disease. However, the contribution of uric acid (UA) to cardiovascular mortality in diabetic patients is controversial. OBJECTIVE: To assess the impact of UA levels on the risk of cardiovascular mortality risk in a cohort of patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS: A prospective cohort study on outpatients with T2DM. The clinical endpoint was cardiovascular death...
March 7, 2018: Endocrinología, Diabetes y Nutrición
Yan Lin, Pei-Gang Liu, Wei-Qing Liang, Yi-Juan Hu, Pan Xu, Jie Zhou, Jin-Bao Pu, Hong-Jian Zhang
BACKGROUND: Gnaphalium affine D. Don is a folk medicine of China believed to be efficacious in the treatment of many ailments, including hyperuricemia and gout. PURPOSE: Based on a previous study, we isolated two flavones, luteolin and luteolin-4'-O-glucoside, from G. affine. Our aim was to assess the potential beneficial effects of treatment and mechanisms of these two flavones on hyperuricemia and acute gouty arthritis. METHODS: The model of potassium oxonate (PO)-induced hyperuricemia and monosodium urate (MSU) crystal-induced inflammation in mice has been established...
March 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Kang Wang, Lei Hu, Jian-Kang Chen
Recent preclinical and clinical evidence suggests that hyperuricemia (HU) is an independent risk factor for metabolic syndrome, hypertension, cardiovascular disease and chronic kidney disease. Receptor-interacting protein 3 (RIP3) is an important contributor in inducing programmed necrosis, representing a newly identified mechanism of cell death combining features of both apoptosis and necrosis. In our study, RIP3 was strongly expressed in mice with hyperuricemia. RIP3 deficiency attenuated hyperuricemia in mice, evidenced by reduced serum uric acid and creatinine and enhanced urinary uric acid and creatinine, as well as the improved histological alterations in renal sections...
March 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Guy Roger Ndong Atome, Rick-Leonid Ngoua Meye Misso, Cédric Sima Obiang, Richard Onanga, Dieudonné Nkogue Mba
Gout is caused by a chronic hyperuricemia whose complications are not currently well evaluated in Africa. The aim of this study was to determine the prevalence and risk factors of hyperuricemia and gout in 85 patients recruited. A total of 26 cases of hyperuricemia, i.e., 30.6% of the study population, with 12 cases of gout and seven cases of gouty access. In this population, hyperuricemia was proportional to age ( p -value < 10-4, OR = 2.6), but it was more prevalent in men, 23.5% versus 7.1% for women ( p -value = 0...
March 8, 2018: Diseases (Basel)
Benjamin David Thumamo Pokam, Jude E Enoh, Aniekan-Augusta O Eyo, Nse O Umoh, Prisca W Guemdjom
Background: Antituberculosis drugs (ATDs) efficiently combat Mycobacterium tuberculosis either through direct molecular interactions or those of its metabolites. However, a variety of adverse effects have been reported, leading to frequent interruptions of treatment. To investigate the possible metabolic disturbances resulting from antituberculosis (TB) treatment, the uric acid (UA) level of patients on ATDs was measured in the southwest region of Cameroon. Methods: This hospital-based cross-sectional study involved 96 TB patients on ATDs and 32 controls who were neither on ATDs nor any other treatment that could increase UA levels...
January 2018: International Journal of Mycobacteriology
Adriana Lopez-Pineda, Alberto Cordero, Concepción Carratala-Munuera, Domingo Orozco-Beltran, Jose A Quesada, Vicente Bertomeu-Gonzalez, Vicente F Gil-Guillen, Vicente Bertomeu-Martinez
These data are linked to the research article, entitled Hyperuricemia as a prognostic factor after acute coronary syndrome published in Atherosclerosis. Data from patients admitted for acute coronary syndrome between 2008 and 2013 were collected during the hospitalization, and a follow-up until endpoint or end of study was carried out. Multivariate analysis of variables associated with long term mortality after acute coronary syndrome in patients stratified by the presence of diabetes, hypertension or kidney failure is provided in this article...
April 2018: Data in Brief
Brian W Coburn, Kaleb Michaud, Debra A Bergman, Ted R Mikuls
OBJECTIVES: Observational data suggests that hyperuricemia and gout are associated with increased mortality while allopurinol use is associated with reduced mortality. There may also be a dose-dependent protective effect. Our objective was to determine whether dose escalation is associated with cause-specific mortality. METHODS: In this 10-year observational, active-comparator study of U.S. Veterans with gout initiating allopurinol, we used propensity score matching with Cox proportional hazards and competing risks regression to assess cause-specific mortality differences between allopurinol dose escalators versus non-escalators...
March 7, 2018: Arthritis & Rheumatology
L B Lopes, C C Abreu, C F Souza, L E R Guimaraes, A A Silva, F Aguiar-Alves, K O Kidd, S Kmoch, A J Bleyer, J R Almeida
Autosomal dominant tubulointerstitial kidney disease (ADTKD) is characterized by autosomal dominant inheritance, progressive chronic kidney disease, and a bland urinary sediment. ADTKD is most commonly caused by mutations in the UMOD gene encoding uromodulin (ADTKD-UMOD). We herein report the first confirmed case of a multi-generational Brazilian family with ADTKD-UMOD, caused by a novel heterozygous mutation (c.163G>A, GGC→AGC, p.Gly55Ser) in the UMOD gene. Of 41 family members, 22 underwent genetic analysis, with 11 individuals found to have this mutation...
March 1, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Sheyu Li, Chuan Yu, Yun Li, Qianrui Li, Rui Zhang, Qingtao Hou, Tao Zheng, Yi Ma, Miye Wang, Na Su, Ting Wu, Zhiwen Liu, Xia Sheng, Nan Li, Guanjian Liu, Yong Huang, Ting Xu, Xin Sun, Haoming Tian
AIM: To describe the characteristics of inpatients with diabetes in a tertiary hospital in China using an electronic medical record (EMR)-based database. METHODS: We identified the medical records of all patients with diabetes from nonpediatric departments of West China Hospital, Sichuan University (from February 2009 to December 2013), and extracted information on demographic, diagnosis, discharge outcome, department of discharge, laboratory test, and prescription from the EMR system...
March 7, 2018: Journal of Evidence-based Medicine
Sai Lv, Wei Liu, Yujie Zhou, Yuyang Liu, Dongmei Shi, Yingxin Zhao, Xiaoli Liu, Jumana W Alhelal, K S Shakeenah Ravuru
BACKGROUND: Coronary artery disease (CAD) in adults ≤ 35 years of age is rare, but the incidence is on the rise and the risk factors for this age group are largely uncertain. Previous studies have shown that hyperuricemia (HUA) is an independent risk factor for CAD in the general population, whereas the role in adults ≤ 35 years of age with acute coronary syndrome (ACS) is unclear. METHODS: Patients, 18-35 years of age, diagnosed with ACS for the first time at the documented institution between January 2005 and December 2015, were enrolled in the current study...
March 7, 2018: Cardiology Journal
I-Chun Chen, Chin-Sung Kuo, Chih-Cheng Wu, Hsiao-Ya Tsai, Chih-Pei Lin, Szu-Yuan Li, Ruey-Hsing Chou, Po-Hsun Huang, Jaw-Wen Chen, Shing-Jong Lin
Objective: Chronic hyperuricemia is associated with cardiovascular disease, but its impact on endothelial progenitor cells (EPC) and ischemia-induced neovascularization remains unclear. Herein we investigated whether chronic hyperuricemia could impede blood flow recovery in response to tissue ischemia by suppression of EPC. Methods: Human EPC were isolated and cultured in a high-level uric acid medium for functional testing. Cell proliferation, nitric oxide (NO) production and apoptosis assay were examined...
February 6, 2018: Oncotarget
Habib Mosbah, Hassiba Chahdoura, Jannet Kammoun, Malek Besbes Hlila, Hanen Louati, Saoussen Hammami, Guido Flamini, Lotfi Achour, Boulbaba Selmi
BACKGROUND: α-glucosidase is a therapeutic target for diabetes mellitus (DM) and α-glucosidase inhibitors play a vital role in the treatments for the disease. Furthermore, xanthine oxidase (XO) is a key enzyme that catalyzes hypoxanthine and xanthine to uric acid which at high levels can lead to hyperuricemia which is an important cause of gout. Pancreatic lipase (PL) secreted into the duodenum plays a key role in the digestion and absorption of fats. For its importance in lipid digestion, PL represents an attractive target for obesity prevention...
March 5, 2018: BMC Complementary and Alternative Medicine
Roberta Ricotti, Giulia Genoni, Enza Giglione, Alice Monzani, Martina Nugnes, Sara Zanetta, Matteo Castagno, Agostina Marolda, Giorgio Bellomo, Gianni Bona, Simonetta Bellone, Flavia Prodam
BACKGROUND: Childhood obesity represents a major health concern worldwide due to its well established detrimental effect on cardiovascular and its potential negative effect on kidney functions. However, biomarkers that can help diagnose early stages of kidney damage in obese children represent an unmet clinical need. OBJECTIVES: In this study, we asked whether the prevalence of microalbuminuria, estimated glomerular filtration rate (eGFR) or hyperuricemia recorded in a wide cohort of obese children and adolescents would positively correlate with cardiometabolic dysfunction in these subjects...
2018: PloS One
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