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Ana María Obregón Rivas

Docente Investigador

Universidad San Sebastian

Concepción , Chile

La línea de investigación que he desarrollado en los últimos 10 años está relacionada con Conducta alimentaria en niños y en adultos. Adicionalmente hemos trabajado en genética asociada a estas conductas y actualmente estamos trabajando en lactantes.

Nutrición y Alimentos, UNIVERSIDAD DE CHILE. Chile, 2010
Ciencias Biológicas Mención Nutrición , UNIVERSIDAD DE CHILE. Chile, 2003
Nutricionista , UNIVERSIDAD DE CONCEPCION. Chile, 2000
Ejercicio Nutrición y Salud, UNIVERSIDAD DE CHILE. Chile, 2002
Evaluación del Estado Nutricional , UNIVERSIDAD DE CHILE. Chile, 2010
NUTRICION INFANTIL, ASOCIACION ARGENTINA DE NUTRICIONISTAS. Chile, 2010
Postgrado de Obesidad, Universidad de Favaloro. Argentina, 2012
Diagnóstico y Tratamiento de Errores Innatos del Metabolismo, UNIVERSIDAD DE CHILE. Chile, 2013
Diplomado en Bioestadística, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2016
Diplomado de Educación Medica y ciencias de la salud, UNIVERSIDAD SAN SEBASTIAN. Chile, 2018
Alergias Alimentarias, UNIVERSIDAD DE CHILE. Chile, 2019
Diplomado nutrición pediátrica y del adolescente, UNIVERSIDAD DE CHILE. Chile, 2020
Epigenética en medicina , Genotipia. España, 2021

Academico Full Time

Universidad San Sebastían

Ciencias de la Salud

Concepción, Chile

2004 - 2004
Académico Other

UNIVERSIDAD DE CONCEPCION

Farmacia

Concepción, Chile

2004 - 2004
Académico Other

Universidad Diego Portales

Medicina

Santiago, Chile

2007 - 2007
Académico Part Time

Universidad del Desarrollo

Salud

Santiago, Chile

2008 - 2008
Académico Other

Universidad San Sebastían

Ciencias de la Salud

Concepción, Chile

2009 - At present

Nutricionista Full Time

Escuela Militar

Santiago, Chile

2003 - 2004
Nutricionista Other

Centro de Obesidad Universidad de Concepcion

Concepcion , Chile

2011 - 2013

Directora de Tesis

Marcelo Morán:
VARIACIÓN GENETICA DEL RECEPTOR 2 DE DOPAMINA Y SU ASOCIACION CON ESTADO NUTRICIONAL EN ADOLESCENTES CHILENOS

Nicole Hidalgo :
VARIANTES GENÉTICAS (rs1799732, rs4680, rs6277, rs1800497) PERTENECIENTE A LA VIA DOPAMINERGICA Y AL GEN DEL RECEPTOR 2 DE DOPAMINA: ASOCIACION CON CONDUCTA ALIMENTARIA Y ADICCIÓN A LA COMIDA EN ADULTOS PERTENECIENTES A LA CIUDAD DE CONCEPCION (CHILE).


Pathophysiological Role of Genetic Factors Associated With Gestational Diabetes Mellitus. Ortega-Contreras B,; Armella A,; Appel J,; Mennickent D,; Araya J,; González M,; Castro E,; Obregón AM,; Lamperti L,; Gutiérrez J,; Guzmán-Gutiérrez E Article FRONTIERS IN PHYSIOLOGY (2022)
Association of the dopamine D2 receptor rs1800497 polymorphism with food addiction, food reinforcement, and eating behavior in Chilean adults Obregon, Ana M.; Oyarce, Karina; Garcia-Robles, Maria A.; Valladares, Macarena; Pettinelli, Paulina; Goldfield, Gary S. Article ISI EATING AND WEIGHT DISORDERS-STUDIES ON ANOREXIA BULIMIA AND OBESITY (2021)
No association between dopaminergic polymorphisms and response to treatment of binge-eating disorder Heidinger, Brandon A.; Cameron, Jameason D.; Vaillancourt, Regis; De Lisio, Michael; Ngu, Matthew; Tasca, Giorgio A.; Chyurlia, Livia; Doucet, Eric; Doucette, Steve; Rivas, Ana Maria Obregon; Goldfield, Gary S. Article ISI GENE (2021)
Association of eating behaviour with clock gene polymorphism 3111 T > C in children based on nutritional status Valladares, M.; Chaput, J. P.; Vasquez, S.; Pino, C.; Obregon, A. M. Article ISI SCOPUS ANNALS OF HUMAN BIOLOGY (2020)
Genetic variation of the dopamine D2 receptor gene: association with the reinforcing value of food and eating in the absence of hunger in Chilean children. Obregón AM, Valladares Vega MA, Goldfield G, Llewellyn C Article ISI nutrición hospitalaria (2020)
Effects of fat mass and obesity-associated (FTO) gene polymorphisms on binge eating in women with binge-eating disorder: The moderating influence of attachment style Cameron JD, T; Tasca GA,; Little J,; Chyurlia L,; Ritchie K,; Yeh E,; Doucette S,; Obregon AM,; Bulman DE; Doucet É; Goldfield GS. Article ISI SCOPUS NUTRITION (2019)
Association of the FTO fat mass and obesity-associated gene rs9939609 polymorphism with rewarding value of food and eating behavior in Chilean children Obregón Rivas, Ana Maria; Santos, Jose L.; Valladares, Macarena A.; Cameron, Jameson; Goldfield, Gary Article ISI SCOPUS NUTRITION (2018)
Association of the FTO fat mass and obesity-associated gene rs9939609 polymorphism with rewarding value of food and eating behavior in Chilean children. Obregón Rivas AM; Santos, JL; Valladares MA; Cameron J.; Goldfield G. Article NUTRITION (2018)
Individual differences in chronotypes associated with academic performance among Chilean University students Valladares, Macarena; Ramirez-Tagle, Rodrigo; Alexandra Munoz, Miss; Maria Obregon, Ana Article ISI SCOPUS CHRONOBIOLOGY INTERNATIONAL (2018)
Association of the dopamine D2 receptor rs1800497 polymorphism and eating behavior in Chilean children Obregón AM; Valladares, M; Goldfield G. Article ISI Nutrition. (2017)
Association of the dopamine D2 receptor rs1800497 polymorphism and eating behavior in Chilean children Valladares M, .; , Goldfield G. Article NUTRITION (2017)
Association of the dopamine D2 receptor rs1800497 polymorphism and eating behavior in Chilean children. Obregón AM1, Valladares M2 Article Nutrition. (2017)
Association of the melanocortin 4 receptor gene rs17782313 polymorphism with rewarding value of food and eating behavior in Chilean children Obregón AM; Oyarce, K; Santos, JL; Valladares, M; Goldfield G. Article ISI SCOPUS JOURNAL OF PHYSIOLOGY AND BIOCHEMISTRY (2017)
Conducta alimentaria en niños. Oyarce Merino K; Valladares Vega M; Elizondo-Vega R.; Obregón AM Article SCIELO Nutr Hosp. (2016)
Asociación entre cronotipo y obesidad en jóvenes. Valladares, M; Campos B.; Zapata C.; Durán Agüero S; Obregón AM Article SCIELO Nutr Hosp. (2016)
Association between Eating Behavior and Academic Performance in University Students Valladares, M; Durán E; matheus a; Durán-Agüero S; Obregón AM; Ramírez-Tagle R Article ISI SCOPUS Journal of the American College of Nutrition (2016)
Melanocortin-4 Receptor Gene Variation Is Associated with Eating Behavior in Chilean Adults Vega, JA; Salazar G.; Hodgson, MI; Cataldo, LR; Valladares, M; Obregón AM; Santos, JL Article ISI Ann Nutr Metab. (2016)
Melanocortin-4 Receptor Gene Variation Is Associated with Eating Behavior in Chilean Adults Vega, JA; Salazar G., Hodgson; MI, Cataldo; LR, Valladares; M, Obregon AM; Santos, JL Article ANNALS OF NUTRITION AND METABOLISM (2016)
[ASSOCIATION OF OLFACTORY SENSITIVITY WITH ENERGY INTAKE=> ROLE IN DEVELOPMENT OF OBESITY]. Valladares Vega, Macarena; Obregón Rivas, Ana Maria Article Nutricion hospitalaria (2015)
Association between feeding behavior, and genetic polymorphism of leptin and its receptor in obese chilean children [Asociación entre la conducta alimentaria y polimorfismos genéticos de la leptina y su receptor en niños obesos chilenos] Vega, M. V.; Obregón A.M.; Weisstaub G.; Burrows, R; Patiño A.; Ho-Urriola J; Santos, J.L. Article SCOPUS Nutricion Hospitalaria (2015)
Association between food addiction and nutritional status in chilean college students [Asociación entre adicción a la comida y estado nutricional en universitarios chilenos] Obregón A.; Fuentes, J; Pettinelli P. Article SCOPUS Revista Medica de Chile (2015)
Association between genetic variants of the clock gene and obesity and sleep duration Valladares, M; Obregón AM; Chaput JP. Article ISI Physiol Biochem (2015)
Childhood obesity and eating behaviour. Obregón AM; Pettinelli PP; Santos, JL Article ISI J Pediatr Endocrinol Metab. (2015)
Melanocortin-4 receptor polymorphism rs17782313: association with obesity and eating in the absence of hunger in Chilean children. Ho-Urriola J; Guzmán-Guzmán IP; Smalley SV; González A; Weisstaub G.; Domínguez-Vásquez P; Valladares, M; Amador, P; Hodgson, MI; Obregón AM; Santos, JL Article (2014)
Prevalence of metabolic syndrome in obese Chilean children and association with gene variants of the leptin-melanocortin system Suazo, J; Hodgson, MI; Obregon AM,; Valladares, M; Weisstaub G.; Amador, P; Santos, JL Article ISI SCOPUS Journal of Pediatric Endocrinology and Metabolism (2013)
Effect of the melanocortin-3 receptor Thr6Lys and Val81Ile genetic variants on body composition and substrate oxidation in Chilean obese children Obregón A.M.; Diaz, E.; Santos, J.L. Article ISI SCOPUS Journal of Physiology and Biochemistry (2012)
Association between eating behavior scores and obesity in Chilean children Santos JS; Ho-Urriola JA; González A; Smalley SV; Domínguez-Vásquez P; Cataldo, R; Obregón AM; Amador, P; Weisstaub G.; Hodgson, MI Article (2011)
Molecular mechanisms of steatosis in nonalcoholic fatty liver disease Mecanismos moleculares de la esteatosis en la patología de hígado graso no alcohólico Pettinelli P.; Obregón A.M.; Videla, L.A. Article Nutricion Hospitalaria (2011)
Melanocortin-3 receptor gene variants: Association with childhood obesity and eating behavior in Chilean families Obregon AM,; Amador, P; Valladares, M; Weisstaub G.; Burrows, R; Santos, JL Article ISI SCOPUS Nutrition (2010)
ÁCIDO LINOLEICO CONJUGADO (ALC), METABOLISMO DE LÍPIDOS Y ENFERMEDAD CARDIOVASCULAR Obregón A; Valenzuela A. Article REVISTA CHILENA DE NUTRICION (2009)