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R. Ortiz · SciRah

Researcher profile · Semantic Scholar

R. Ortiz

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R. Ortiz — researcher profile on SciRah

h-index: 31
Works: 137
Citations: 2,280

Most-cited papers

Coping with Physiological Oxidative Stress: A Review of Antioxidant Strategies in Seals
J. Vázquez-Medina, T. Zenteno-Savín, R. Elsner, R. Ortiz
2012Journal of Comparative Physiology □ B79 citations Open access
Semantic Scholar
Cellular mechanisms regulating fuel metabolism in mammals: role of adipose tissue and lipids during prolonged food deprivation
J. Viscarra, R. Ortiz
2013Metabolism: Clinical and Experimental73 citations Open access
Semantic Scholar
Prolonged fasting increases glutathione biosynthesis in postweaned northern elephant seals
J. Vázquez-Medina, T. Zenteno-Savín, H. Forman, D. Crocker +1 more
2011Journal of Experimental Biology67 citations Open access
Semantic Scholar
Thyroid Hormone Regulation and Insulin Resistance: Insights From Animals Naturally Adapted to Fasting.
Bridget Martinez, R. Ortiz
2017Physiology66 citations Open access
Semantic Scholar
We Don’t Have a Lot of Healthy Options: Food Environment Perceptions of First-Year, Minority College Students Attending a Food Desert Campus
Jaapna Dhillon, L. Rios, Kaitlyn J. Aldaz, N. De La Cruz +4 more
2019Nutrients65 citations Open access
Semantic Scholar
Angiotensin receptor-mediated oxidative stress is associated with impaired cardiac redox signaling and mitochondrial function in insulin-resistant rats.
J. Vázquez-Medina, I. Popovich, Max A. Thorwald, J. Viscarra +7 more
2013American Journal of Physiology. Heart and Circulatory Physiology63 citations Open access
Semantic Scholar
Almond Snacking for 8 wk Increases Alpha-Diversity of the Gastrointestinal Microbiome and Decreases Bacteroides fragilis Abundance Compared with an Isocaloric Snack in College Freshmen
Jaapna Dhillon, Zhaoping Li, R. Ortiz
2019Current Developments in Nutrition61 citations Open access
Semantic Scholar
5′AMP-activated Protein Kinase Activity is Increased in Adipose Tissue of Northern Elephant Seal Pups during Prolonged Fasting-Induced Insulin Resistance
J. Viscarra, C. Champagne, D. Crocker, R. Ortiz
2011Journal of Endocrinology60 citations Open access
Semantic Scholar
Apnea stimulates the adaptive response to oxidative stress in elephant seal pups
J. Vázquez-Medina, T. Zenteno-Savín, M. Tift, H. Forman +2 more
2011Journal of Experimental Biology58 citations Open access
Semantic Scholar
Angiotensin receptor blockade increases pancreatic insulin secretion and decreases glucose intolerance during glucose supplementation in a model of metabolic syndrome.
Rubén Rodríguez, J. Viscarra, J. Minas, D. Nakano +2 more
2012Endocrinology53 citations Open access
Semantic Scholar
Hormone and metabolite changes associated with extended breeding fasts in male northern elephant seals (Mirounga angustirostris).
D. Crocker, R. Ortiz, D. Houser, P. Webb +1 more
2012Comparative biochemistry and physiology. Part A, Molecular & integrative physiology45 citations
Semantic Scholar
Regulation of lactate dehydrogenase in response to WSSV infection in the shrimp Litopenaeus vannamei
Magally L E Hernández-Palomares, J. Godoy-Lugo, S. Gómez-Jiménez, L. A. Gamez-Alejo +6 more
2018Fish and Shellfish Immunology41 citations
Semantic Scholar
Silencing of HIF-1 in WSSV-infected white shrimp: Effect on viral load and antioxidant enzymes.
Melissa M Miranda-Cruz, J. J. Poom-Llamas, J. Godoy-Lugo, R. Ortiz +4 more
2018Comparative biochemistry and physiology. Toxicology & pharmacology : CBP41 citations Open access
Semantic Scholar
Glucoregulatory and Cardiometabolic Profiles of Almond vs. Cracker Snacking for 8 Weeks in Young Adults: A Randomized Controlled Trial
Jaapna Dhillon, Max A. Thorwald, N. De La Cruz, Emily H. Vu +4 more
2018Nutrients40 citations Open access
Semantic Scholar
Decreased expression of adipose CD36 and FATP1 are associated with increased plasma non-esterified fatty acids during prolonged fasting in northern elephant seal pups (Mirounga angustirostris)
J. Viscarra, J. Vázquez-Medina, Rubén Rodríguez, C. Champagne +3 more
2012Journal of Experimental Biology34 citations Open access
Semantic Scholar
Insulin and GLP-1 infusions demonstrate the onset of adipose-specific insulin resistance in a large fasting mammal: potential glucogenic role for GLP-1
J. Viscarra, Rubén Rodríguez, J. Vázquez-Medina, Andrew Y. Lee +4 more
2013Physiological Reports33 citations Open access
Semantic Scholar
Antioxidant capacity develops with maturation in the deep-diving hooded seal
J. Vázquez-Medina, J. Soñanez-Organis, J. Burns, T. Zenteno-Savín +1 more
2011Journal of Experimental Biology33 citations Open access
Semantic Scholar
Muscle transcriptome response to ACTH administration in a free-ranging marine mammal.
J. Khudyakov, C. Champagne, Likit Preeyanon, R. Ortiz +1 more
2015Physiological Genomics32 citations Open access
Semantic Scholar
Prolonged fasting increases purine recycling in post-weaned northern elephant seals
J. Soñanez-Organis, J. Vázquez-Medina, T. Zenteno-Savín, A. Aguilar +2 more
2012Journal of Experimental Biology32 citations Open access
Semantic Scholar
Transcriptome analysis of northern elephant seal (Mirounga angustirostris) muscle tissue provides a novel molecular resource and physiological insights
J. Khudyakov, Likit Preeyanon, C. Champagne, R. Ortiz +1 more
2015BMC Genomics31 citations Open access
Semantic Scholar
Angiotensin receptor blockade recovers hepatic UCP2 expression and aconitase and SDH activities and ameliorates hepatic oxidative damage in insulin resistant rats.
Priscilla Montez, J. Vázquez-Medina, Rubén Rodríguez, Max A. Thorwald +6 more
2012Endocrinology31 citations Open access
Semantic Scholar
Thyroid hormones and the potential for regulating glucose metabolism in cardiomyocytes during insulin resistance and T2DM
D. A. Mendez, R. Ortiz
2021Physiological Reports27 citations Open access
Semantic Scholar
Prolonged food deprivation increases mRNA expression of deiodinase 1 and 2, and thyroid hormone receptor β-1 in a fasting-adapted mammal
Bridget Martinez, J. Soñanez-Organis, J. Vázquez-Medina, J. Viscarra +3 more
2013Journal of Experimental Biology27 citations Open access
Semantic Scholar
Prolonged fasting activates hypoxia inducible factor -1α, -2α and -3α in a tissue-specific manner in northern elephant seal pups
J. Soñanez-Organis, J. Vázquez-Medina, D. Crocker, R. Ortiz
2013Gene27 citations Open access
Semantic Scholar
Prolonged fasting activates Nrf2 in post-weaned elephant seals
J. Vázquez-Medina, J. Soñanez-Organis, Rubén Rodríguez, J. Viscarra +3 more
2013Journal of Experimental Biology27 citations Open access
Semantic Scholar
Mitofusin 2: A Link Between Mitochondrial Function and Substrate Metabolism?
Janna M. Emery, R. Ortiz
2021Mitochondrion (Amsterdam. Print)25 citations Open access
Semantic Scholar
Elucidating Nature’s Solutions to Heart, Lung, and Blood Diseases and Sleep Disorders
H. V. Carey, S. Martin, B. Horwitz, Lin Yan +6 more
2012Circulation Research25 citations Open access
Semantic Scholar
Angiotensin receptor blockade improves cardiac mitochondrial activity in response to an acute glucose load in obese insulin resistant rats
Max A. Thorwald, Rubén Rodríguez, Andrew Y. Lee, Bridget Martinez +4 more
2017Redox Biology22 citations Open access
Semantic Scholar
HIF-1α and PPARγ during physiological cardiac hypertrophy induced by pregnancy: Transcriptional activities and effects on target genes.
J. Soñanez-Organis, J. Godoy-Lugo, Magally L E Hernández-Palomares, Daniel Rodriguez-Martinez +4 more
2016Gene20 citations
Semantic Scholar
Development enhances hypometabolism in northern elephant seal pups (Mirounga angustirostris)
M. Tift, E. Ranalli, D. Houser, R. Ortiz +1 more
2013Functional Ecology20 citations Open access
Semantic Scholar
Exogenous Thyroxine Improves Glucose Intolerance in Insulin Resistant Rats
Guillermo Vazquez-Anaya, Bridget Martinez, J. Soñanez-Organis, D. Nakano +2 more
2016Journal of Endocrinology19 citations Open access
Semantic Scholar
Activation of systemic, but not local, renin–angiotensin system is associated with upregulation of TNF-α during prolonged fasting in northern elephant seal pups
Miwa Suzuki, J. Vázquez-Medina, J. Viscarra, J. Soñanez-Organis +2 more
2013Journal of Experimental Biology17 citations Open access
Semantic Scholar
Acute Cholesterol-induced Anti-natriuretic Effects
M. S. Awayda, K. Awayda, O. Pochynyuk, V. Bugaj +2 more
2010Journal of Biological Chemistry17 citations Open access
Semantic Scholar
Adipose transcriptome analysis provides novel insights into molecular regulation of prolonged fasting in northern elephant seal pups.
Bridget Martinez, J. Khudyakov, Kim M. Rutherford, D. Crocker +2 more
2018Physiological Genomics16 citations Open access
Semantic Scholar
Chronic AT1 blockade improves glucose homeostasis in obese OLETF rats
Rubén Rodríguez, J. Minas, J. Vázquez-Medina, D. Nakano +3 more
2018Journal of Endocrinology16 citations Open access
Semantic Scholar
Nrf2‐related gene expression is impaired during a glucose challenge in type II diabetic rat hearts
Max A. Thorwald, J. Godoy-Lugo, Gema J. Rodriguez, Marco Antonio Rodriguez +6 more
2019Free Radical Biology & Medicine15 citations Open access
Semantic Scholar
Glucose delays the insulin-induced increase in thyroid hormone-mediated signaling in adipose of prolong-fasted elephant seal pups.
Bridget Martinez, J. Soñanez-Organis, J. Viscarra, J. T. Jaques +3 more
2016American Journal of Physiology. Regulatory Integrative and Comparative Physiology13 citations Open access
Semantic Scholar
Chronic angiotensin receptor activation promotes hepatic triacylglycerol accumulation during an acute glucose challenge in obese-insulin-resistant OLETF rats
J. Godoy-Lugo, Max A. Thorwald, D. Hui, A. Nishiyama +3 more
2021Endocrine12 citations Open access
Semantic Scholar
Angiotensin receptor blockade with olmesartan alleviates brain pathology in obese OLETF rats
C. J. Rodriguez-Ortiz, Max A. Thorwald, Rubén Rodríguez, M. Mejias-Ortega +8 more
2022Clinical and Experimental Pharmacology and Physiology11 citations Open access
Semantic Scholar
Partial Body Mass Recovery After Caloric Restriction Abolishes Improved Glucose Tolerance in Obese, Insulin Resistant Rats
M. Cornejo, Julie Nguyen, Joshua Cazares, Benny Escobedo +3 more
2020Frontiers in Endocrinology9 citations Open access
Semantic Scholar
Simultaneous GLP-1 receptor activation and angiotensin receptor blockade increase natriuresis independent of altered arterial pressure in obese OLETF rats
Rubén Rodríguez, Meagan Moreno, Andrew Y. Lee, J. Godoy-Lugo +5 more
2018Hypertension Research9 citations Open access
Semantic Scholar
Almond Consumption for 8 Weeks Altered Host and Microbial Metabolism in Comparison to a Control Snack in Young Adults
Jaapna Dhillon, J. Newman, O. Fiehn, R. Ortiz
2021medRxiv8 citations Open access
Semantic Scholar
Body Mass Cycling and Predictors of Body Mass Regain and its Impact on Cardiometabolic Health.
M. Cornejo, R. Ortiz
2021Metabolism: Clinical and Experimental8 citations Open access
Semantic Scholar
Fasting increases the phosphorylation of AMPK and expression of sirtuin1 in muscle of adult male northern elephant seals (Mirounga angustirostris)
Debby Lee, Bridget Martinez, D. Crocker, R. Ortiz
2017Physiological Reports8 citations Open access
Semantic Scholar
Increased Sensitivity of Thyroid Hormone-mediated Signaling Despite Prolonged Fasting
Bridget Martinez, Michael Scheibner, J. Soñanez-Organis, J. T. Jaques +2 more
2017General and Comparative Endocrinology8 citations Open access
Semantic Scholar
Thyroid hormone-stimulated increases in PGC-1α and UCP2 promote life history-specific endocrine changes and maintain a lipid-based metabolism.
Bridget Martinez, J. Soñanez-Organis, J. Godoy-Lugo, Lillian J. Horin +2 more
2017American Journal of Physiology. Regulatory Integrative and Comparative Physiology8 citations Open access
Semantic Scholar
Is Almond Consumption More Effective Than Reduced Dietary Saturated Fat at Decreasing Plasma Total Cholesterol and LDL-c Levels? A Theoretical Approach
R. Ortiz, Steven M Garcia, A. Kim
2012Journal of Nutrition and Metabolism8 citations Open access
Semantic Scholar
Cardiac NF-κB Acetylation Increases While Nrf2-Related Gene Expression and Mitochondrial Activity Are Impaired during the Progression of Diabetes in UCD-T2DM Rats
Max A. Thorwald, J. Godoy-Lugo, Rubén Rodríguez, K. Stanhope +4 more
2022Antioxidants7 citations Open access
Semantic Scholar
Chronic AT1 blockade improves hyperglycemia by decreasing adipocyte inflammation and decreasing hepatic PCK1 and G6PC1 expression in obese rats.
Rubén Rodríguez, Andrew Y. Lee, J. Godoy-Lugo, Bridget Martinez +6 more
2021American Journal of Physiology. Endocrinology and Metabolism7 citations Open access
Semantic Scholar
Insulin induces a shift in lipid and primary carbon metabolites in a model of fasting-induced insulin resistance
Keedrian I. Olmstead, M. L. La Frano, Johannes F. Fahrmann, D. Grapov +6 more
2017Metabolomics7 citations Open access
Semantic Scholar

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