Jonatan Miranda

ORCID: 0000-0002-5484-2671
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About
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Research Areas
  • Adipose Tissue and Metabolism
  • Celiac Disease Research and Management
  • Fatty Acid Research and Health
  • Microbial Metabolites in Food Biotechnology
  • Sirtuins and Resveratrol in Medicine
  • Food composition and properties
  • Microscopic Colitis
  • Adipokines, Inflammation, and Metabolic Diseases
  • Polysaccharides Composition and Applications
  • Digestive system and related health
  • Peroxisome Proliferator-Activated Receptors
  • Diet, Metabolism, and Disease
  • Cardiovascular Disease and Adiposity
  • Lipid metabolism and biosynthesis
  • Health, Education, and Physical Culture
  • Diet and metabolism studies
  • Liver Disease Diagnosis and Treatment
  • Antioxidant Activity and Oxidative Stress
  • Circular RNAs in diseases
  • Higher Education Teaching and Evaluation
  • MicroRNA in disease regulation
  • Nutrition, Genetics, and Disease
  • Nutritional Studies and Diet
  • Cancer-related molecular mechanisms research
  • Eicosanoids and Hypertension Pharmacology

University of the Basque Country
2015-2024

Hospital Universitario Araba
2024

BioCruces Health research Institute
2022

Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition
2013-2021

Instituto de Salud Carlos III
2011-2021

Centro de Investigación Biomédica en Red
2016-2017

Spanish Clinical Research Network
2013

Institut Cochin
2010

Inserm
2010

Université Paris Cité
2010

Obesity and type 2 diabetes are associated with increased lipogenesis in the liver. This results fat accumulation hepatocytes, a condition known as hepatic steatosis, which is form of nonalcoholic fatty liver disease (NAFLD), most common cause dysfunction United States. Carbohydrate-responsive element-binding protein (ChREBP), transcriptional activator glycolytic lipogenic genes, has emerged major player development steatosis mice. However, molecular mechanisms enhancing its activity remain...

10.1172/jci41624 article EN Journal of Clinical Investigation 2010-11-17

Abstract Background A remarkable range of biological functions have been ascribed to resveratrol. Recently, this polyphenol has shown body fat lowering effects. The aim the present study was assess some potential underlying mechanisms action which take place in adipose tissue. Methods Sixteen male Sprague-Dawley rats were randomly divided into two groups: control and treated with 30 mg resveratrol/kg weight/d. All fed an obesogenic diet after six weeks treatment white tissues dissected....

10.1186/1743-7075-8-29 article EN cc-by Nutrition & Metabolism 2011-05-10

MicroRNAs (miRNAs) are being increasingly studied in relation to energy metabolism and body composition homeostasis. Indeed, the quantitative analysis of miRNAs expression different adiposity conditions may contribute understand intimate mechanisms participating weight control find new biomarkers with diagnostic or prognostic value obesity management.The aim this study was search for blood cells whose could be used as loss.Ten Caucasian obese women were selected among participants a...

10.1371/journal.pone.0054319 article EN cc-by PLoS ONE 2013-01-15

To analyze whether a combination of quercetin (Q) and resveratrol (RSV) would induce white adipose tissue (WAT) browning effect.Thirty-six rats were fed an obesogenic diet divided into four groups: control, treated with RSV (15 mg/kg body weight/day; group), Q (30 or both polyphenols (RSV + group).After 6 weeks, WAT weights significantly reduced in the group. In perirenal RSV, groups, unilocular adipocytes appeared majority cells, while group numerous multilocular positive immunostaining for...

10.1002/oby.21706 article EN Obesity 2016-11-22

Abstract Background Vitamin K has been related to glucose metabolism, insulin sensitivity and diabetes. Because inflammation underlies all these metabolic conditions, it is plausible that the potential role of vitamin in metabolism occurs through modulation cytokines molecules. The purpose study was assess associations between dietary intake peripheral adipokines other risk markers resistance type 2 diabetes mellitus. Methods Cross-sectional longitudinal assessments 510 elderly participants...

10.1186/1475-2840-12-7 article EN cc-by Cardiovascular Diabetology 2013-01-08

Scope . To determine whether doses of quercetin in the range serum concentrations exert any effect on triacylglycerol accumulation maturing preadipocytes and mature adipocytes. The influence expression adipogenic markers as well gene activity enzymes involved metabolism were assessed. Methods Results 3T3-L1 treated during differentiation adipocytes for 24 hours with low (0.1–10 µ M) quercetin. Triacylglycerol content both cell types free fatty acid glycerol incubation medium measured...

10.1155/2015/480943 article EN Oxidative Medicine and Cellular Longevity 2015-01-01

In mammals, the main component of circadian system is suprachiasmatic nucleus in hypothalamus. However, clocks are also present most peripheral tissues, such as adipose tissue. The aim study was to analyse potential effects resveratrol on changes induced by high-fat feeding expression clock genes and clock-controlled white tissue from rats. For this purpose, rats were divided into three groups: a control group, fed standard diet, two other groups, either diet supplemented with (RSV) or no...

10.1017/s0007114513000755 article EN British Journal Of Nutrition 2013-03-28

Objective Scientific research is constantly striving to find molecules which are effective against excessive body fat and its associated complications. Taking into account the beneficial effects that resveratrol exerts on other pathologies through miRNA, aim of present work was analyze possible involvement miRNAs in regulation adipogenic transcription factors peroxisome proliferator-activated receptor γ (pparγ), CCAAT enhancer-binding proteins α β (cebpβ cebpα) induced by metabolites....

10.1371/journal.pone.0184875 article EN cc-by PLoS ONE 2017-09-27

Apple pomace has been proposed as a quality enhancer for gluten-free bread, but its composition and physicochemical features differ significantly depending on the apple cultivar. The objective of this article was to characterize powder (APP) from certain varieties Basque Country study feasibility adding it focusing nutritional aspects. APP obtained by washing, drying grinding, added at 0, 5, 6 8%, together with other ingredients, such flours, corn starch whey protein. had reddish-grey...

10.3390/app12125934 article EN cc-by Applied Sciences 2022-06-10

The aim of the present study was to determine whether reduction in liver fat previously observed our laboratory a cohort rats which had been fed an obesogenic diet mediated by changes expression microRNA (miRNA)-103-3p, miRNA-107-3p and miRNA-122-5p, represent 70% total miRNAs liver, as well their target genes. three analysed reduced treated with resveratrol. A sterol-regulatory element binding protein 1 (SREBP1) increase carnitine palmitoyltransferase 1a (CPT1a) were resveratrol-treated...

10.3390/nu9040360 article EN Nutrients 2017-04-04

The purpose of the present work was both to analyze composition Spanish celiac women and study food habits gluten-free diet these patients, in order determine whether they achieve a balanced healthy as well highlight nutritional qualitative and/or quantitative differences. 54 adult (34 ± 13 years) took part six-month study. Height, weight body were measured. An analysis energy consumption macronutrient distribution their carried out. Their fulfillment micronutrient intake recommendations...

10.3390/nu7075234 article EN Nutrients 2015-07-08

The treatment of Celiac disease consists in a strict lifelong gluten-free (GF) diet. As the ingestion small amounts can have damaging complications, there has been an ongoing discussion regarding safe threshold for dietary residual gluten. aim was to analyze evolution gluten content cereal-based GF foodstuffs (n = 3141) from 1998 2016 measured by enzyme-linked immunosorbent assay (ELISA) technique. Eight categories were defined: flours, breakfast cereals/bars, bakery, pasta, breads, dough,...

10.3390/nu9010021 article EN Nutrients 2017-01-03

Quercetin (Q) has rapid metabolism, which may make it worthwhile to focus on the potential activity of its metabolites. Our aim was evaluate triglyceride-lowering effects Q metabolites in mature and pre-adipocytes, compare them those induced by Q. 3T3-L1 pre-adipocytes were treated with 0.1, 1 10 µM Q, tamarixetin (TAM), isorhamnetin (ISO), quercetin-3-O-glucuronide (3G), quercetin-3-O-sulfate (3S), as well 3S quercetin-4-O-sulfate (4S) mixture (3S+4S). Triglyceride (TG) content both cell...

10.3390/ijms20020264 article EN International Journal of Molecular Sciences 2019-01-11

Studies conducted in mice have revealed positive effects of punicic acid (PUA). The aim this study was to analyze the PUA on fat accumulation and glycemic control rats fed an obesogenic diet. Rats were randomly divided into two groups: group (diet supplemented with 0.5% PUA). No changes observed adipose tissue weights. glucose tolerance test showed that value had decreased significantly at final time (120 min) (-19.3%), as fructosamine levels (-11.1%). However, homeostasis model assessment...

10.1021/jf305076v article EN Journal of Agricultural and Food Chemistry 2013-05-07
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