Manuel Ruz

Summary

Affiliation: Universidad de Chile
Country: Chile

Publications

  1. ncbi request reprint Heme- and nonheme-iron absorption and iron status 12 mo after sleeve gastrectomy and Roux-en-Y gastric bypass in morbidly obese women
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Am J Clin Nutr 96:810-7. 2012
  2. ncbi request reprint Zinc as a potential coadjuvant in therapy for type 2 diabetes
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Correo 7, Santiago, Chile
    Food Nutr Bull 34:215-21. 2013
  3. ncbi request reprint Zinc supplementation and growth
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Correo 7, Santiago, Chile
    Curr Opin Clin Nutr Metab Care 9:757-62. 2006
  4. doi request reprint Zinc absorption and zinc status are reduced after Roux-en-Y gastric bypass: a randomized study using 2 supplements
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Am J Clin Nutr 94:1004-11. 2011
  5. doi request reprint Iron absorption and iron status are reduced after Roux-en-Y gastric bypass
    Manuel Ruz
    Department of Nutrition, University of Chile, Santiago, Chile
    Am J Clin Nutr 90:527-32. 2009
  6. doi request reprint Trace element status and inflammation parameters after 6 months of Roux-en-Y gastric bypass
    Pamela Rojas
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, 8380453 Santiago, Chile
    Obes Surg 21:561-8. 2011
  7. doi request reprint Changes in bone mineral density, body composition and adiponectin levels in morbidly obese patients after bariatric surgery
    Fernando Carrasco
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Postal Code 838 0453, Santiago, Chile
    Obes Surg 19:41-6. 2009
  8. doi request reprint Changes in ghrelin concentrations one year after resective and non-resective gastric bypass: associations with weight loss and energy and macronutrient intakes
    Fernando Carrasco
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Nutrition 28:757-61. 2012
  9. ncbi request reprint [Evolution and quality of the diet of women with severe and morbid obesity undergoing gastric bypass]
    Annabella Rebolledo
    Departamento de Nutricion, Facultad de Medicina, Universidad de Chile, Santiago, Chile
    Arch Latinoam Nutr 59:7-13. 2009
  10. ncbi request reprint Persistent anemia after Roux-en-Y gastric bypass
    Claudio Mizón
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Nutrition 23:277-80. 2007

Collaborators

Detail Information

Publications22

  1. ncbi request reprint Heme- and nonheme-iron absorption and iron status 12 mo after sleeve gastrectomy and Roux-en-Y gastric bypass in morbidly obese women
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Am J Clin Nutr 96:810-7. 2012
    ..The effect of bariatric surgery on iron absorption is only partially known...
  2. ncbi request reprint Zinc as a potential coadjuvant in therapy for type 2 diabetes
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Correo 7, Santiago, Chile
    Food Nutr Bull 34:215-21. 2013
    ..The use of some nutrients with important cellular protective roles that may lead to a preservation of beta-cells has not been fully tested; among these, zinc may be an interesting candidate...
  3. ncbi request reprint Zinc supplementation and growth
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Correo 7, Santiago, Chile
    Curr Opin Clin Nutr Metab Care 9:757-62. 2006
    ..To analyse information about the effects of zinc supplementation on the growth of infants and children, and also the effects of maternal supplementation...
  4. doi request reprint Zinc absorption and zinc status are reduced after Roux-en-Y gastric bypass: a randomized study using 2 supplements
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Am J Clin Nutr 94:1004-11. 2011
    ..Micronutrient deficiencies are common in patients undergoing gastric bypass. The effect of this type of surgery on zinc absorption and zinc status is not well known...
  5. doi request reprint Iron absorption and iron status are reduced after Roux-en-Y gastric bypass
    Manuel Ruz
    Department of Nutrition, University of Chile, Santiago, Chile
    Am J Clin Nutr 90:527-32. 2009
    ..Iron deficiency and iron deficiency anemia are common in patients who undergo gastric bypass. The magnitude of change in iron absorption is not well known...
  6. doi request reprint Trace element status and inflammation parameters after 6 months of Roux-en-Y gastric bypass
    Pamela Rojas
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, 8380453 Santiago, Chile
    Obes Surg 21:561-8. 2011
    ..The objective of this study was to evaluate changes on trace element status and their potential associations with selected inflammation parameters in patients after Roux-en-Y gastric bypass (RYGBP)...
  7. doi request reprint Changes in bone mineral density, body composition and adiponectin levels in morbidly obese patients after bariatric surgery
    Fernando Carrasco
    Department of Nutrition, Faculty of Medicine, University of Chile, Independencia 1027, Postal Code 838 0453, Santiago, Chile
    Obes Surg 19:41-6. 2009
    ..To evaluate changes on BMD after GBP and its relation with changes in body composition and serum adiponectin, a longitudinal study in morbid obese subjects was conducted...
  8. doi request reprint Changes in ghrelin concentrations one year after resective and non-resective gastric bypass: associations with weight loss and energy and macronutrient intakes
    Fernando Carrasco
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Nutrition 28:757-61. 2012
    ....
  9. ncbi request reprint [Evolution and quality of the diet of women with severe and morbid obesity undergoing gastric bypass]
    Annabella Rebolledo
    Departamento de Nutricion, Facultad de Medicina, Universidad de Chile, Santiago, Chile
    Arch Latinoam Nutr 59:7-13. 2009
    ....
  10. ncbi request reprint Persistent anemia after Roux-en-Y gastric bypass
    Claudio Mizón
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Nutrition 23:277-80. 2007
    ..We report the case of a 42-y-old morbidly obese woman who presented persistent anemia as result of Roux-en-Y gastric bypass...
  11. ncbi request reprint [Quality of the diet of women with severe and morbid obesity undergoing gastric bypass and sleeve gastrectomy]
    Karen Basfi-Fer
    Escuela de Nutrición y Dietética, Facultad de Medicina, Universidad de Chile, Santiago, Chile
    Arch Latinoam Nutr 61:28-35. 2011
    ..In conclusion, these patients present an important reduction of their energy and nutrient intakes, with no major impact of the type of surgery. Supplement characteristics are crucial to cover nutritional needs...
  12. doi request reprint [Energy expenditure and body composition in severe and morbid obese women after gastric bypass]
    Fernando Carrasco
    Departamento de Nutricion, Facultad de Medicina, Universidad de Chile, Santiago, Chile
    Rev Med Chil 136:570-7. 2008
    ..The effects of gastric bypass (GBP) on resting energy expenditure (REE) are not well known...
  13. ncbi request reprint New insights about iron bioavailability inhibition by zinc
    Manuel Olivares
    Institute of Nutrition and Food Technology, University of Chile, Santiago, Chile
    Nutrition 23:292-5. 2007
    ..We measured the effects of lower and higher doses of zinc (Zn) given as an aqueous solution on the bioavailability of iron (Fe)...
  14. doi request reprint Supplementation with zinc between meals has no effect on subsequent iron absorption or on iron status of Chilean women
    Daniel Lopez de Romaña
    Instituto de Nutricion y Tecnologia de los Alimentos, Universidad de Chile, Santiago, Chile
    Nutrition 24:957-63. 2008
    ..We investigated the effect of daily supplementation with 20 mg of Zn for a period of 2 mo on iron absorption and iron status of Chilean women...
  15. doi request reprint Acute inhibition of iron bioavailability by zinc: studies in humans
    Manuel Olivares
    Institute of Nutrition and Food Technology INTA, University of Chile, Santiago, Chile
    Biometals 25:657-64. 2012
    ..The possibility of a negative interaction should be considered for supplementation or fortification programs with both microminerals...
  16. ncbi request reprint Zinc and iron nutrition in Chilean children fed fortified milk provided by the Complementary National Food Program
    Claudia S Torrejón
    Institute of Nutrition and Food Technology, University of Chile, Macul 5540, Santiago, Chile
    Nutrition 20:177-80. 2004
    ..5 mg/L) to be provided to infants until age 18 mo and to pregnant women. We analyzed the nutrition status of zinc and iron at age 18 mo in infants who consumed the fortified cow's milk...
  17. doi request reprint Acute copper supplementation does not inhibit non-heme iron bioavailability in humans
    Manuel Olivares
    Institute of Nutrition and Food Technology, University of Chile, Santiago, Chile
    Biol Trace Elem Res 136:180-6. 2010
    ..Our results support the hypothesis that divalent metal transporter 1 is not physiologically relevant for copper absorption in humans...
  18. doi request reprint Iron, copper, and zinc transport: inhibition of divalent metal transporter 1 (DMT1) and human copper transporter 1 (hCTR1) by shRNA
    Alejandra Espinoza
    Micronutrient Laboratory, Institute of Nutrition and Food Technology, University of Chile, El Líbano, 5524 Macul, Santiago, Chile
    Biol Trace Elem Res 146:281-6. 2012
    ..These results confirm that DMT1 is involved in active transport of Fe, Cu, and Zn although Zn showed a different relative capacity. These results also show that hCTR1 is able to transport Fe and Zn...
  19. ncbi request reprint The use of zinc stable isotopes in the study of iron-zinc interactions in Chilean women
    Manuel Ruz
    Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, Chile
    Food Nutr Bull 23:209-12. 2002
    ..This may be attributable to impairment of zinc status by the iron supplements as evidenced by a trend for lower plasma zinc and EZP...
  20. doi request reprint Dietary supplementation with selenomethylselenocysteine produces a differential proteomic response
    Andrea V Mahn
    Department of Chemical Engineering, University of Santiago of Chile, Santiago, Chile
    J Nutr Biochem 20:791-9. 2009
    ..Apolipoprotein E and transthyretin were not differentially expressed when diets were supplemented with sodium selenate instead of SeMSeCys. We postulate that these proteins are potential biomarkers of chemoprotective selenium intake...
  21. ncbi request reprint [Effect of moderate energy-restricted diets on the nutritional status of selected minerals in obese women]
    María Eugenia Aguirre
    Departamento de Nutricion, Facultad de Medicina, Universidad de Chile
    Arch Latinoam Nutr 57:238-47. 2007
    ....
  22. ncbi request reprint Inhibition of iron and copper uptake by iron, copper and zinc
    Miguel Arredondo
    Micronutrients Laboratory, Institute of Nutrition and Food Technology INTA, Universidad de Chile
    Biol Res 39:95-102. 2006
    ..These results point to a potential risk in the absorption and bioavailability of these minerals by the presence of other minerals in the diet. This aspect must be considered in food supplementation and fortification programs...