Heart Failure pathophysiology, neural control of cardiac function, neuroinflammation and cardiovascular disease

Undergraduate students:
1. Ceballos, Gabriel. Participación de la lipoproteína de baja densidad oxidada (oxLDL) en la inducción de la autofagia y sobrevida en miofibroblastos cardiacos. Universidad de Chile, 2016

1. Comunicaciones libres
1.1. Congresos Internacionales
- Hugo S. Díaz; David C. Andrade, Camilo Toledo, Katherine V. Pereyra, Karla G. Schwarz, Rodrigo Del Rio. Binge drinking-like behavior in juvenile rats causes long-lasting cardiorespiratory dysfunction that persists until adulthood, 2022. Experimental Biology, Philadelphia, USA.
- Alexandra Las Heras, Esteban Diaz-Jara, Camilo Toledo, Katherine Pereyra, Karla G. Schwarz, Hugo S. Díaz, Rodrigo Del Rio. Reactive medullary astrocytes are associated with RVLM neuroinflammation in heart failure rats, 2022. Experimental Biology, Philadelphia, USA.
- Camilo Toledo, Karla G. Schwarz, Esteban Diaz-Jara, Katherine Pereyra, Alexandra Las Heras, Hugo S. Díaz, Rodrigo Del Rio. Role of medullary cardiorespiratory neurons on the maintenance of altered sleep function in heart failure, 2022. Experimental Biology, Philadelphia, USA.
- Esteban Diaz-Jara, Camilo Toledo, Karla G. Schwarz, Katherine Pereyra, Hugo S. Díaz, Rodrigo Del Rio. Reduced expression of SOD2 in the Retrotrapezoid nucleus is associated with enhanced ventilatory chemoreception: implications for breathing disorders in heart failure, 2022. Experimental Biology, Philadelphia, USA.
- Hugo S. Díaz; David C. Andrade, Camilo Toledo, Katherine V. Pereyra, Karla G. Schwarz, Rodrigo Del Rio. Binge drinking-like behavior in juvenile rats causes long-lasting cardiorespiratory dysfunction that persists until adulthood. Experimental Biology, PA, USA, 2022. EXERCISE TRAINING INTOLERANCE IN HIGH OUTPUT HEART FAILURE IS ASSOCIATED WITH ALTERED PERIPHERAL CHEMOREFLEX FUNCTION, 2020, XXI ISAC, Lisboa, Portugal.
- Camilo Toledo, Milka Martínez, Hugo S. Díaz, Karla G. Schwarz, Katherin V. Pereyra, Esteban Diaz-Jara, Rodrigo Del Rio. Brainstem catecholaminergic neurons mediate cognitive impairment in heart failure rats through regulation of hippocampal synaptic-related gene expression. Experimental Biology, 2020, San Diego, USA.
- Esteban Diaz-Jara, David C. Andrade, Camilo Toledo, Hugo Díaz, Rodrigo Del Rio.
- Hugo S. Díaz, David C. Andrade; Camilo Toledo; Claudia Lucero; Alexis Arce-Álvarez; Katherin V. Pereyra; Harold D. Schultz; Josiane N. Silva; Ana C. Takakura; Thiago S. Moreira; Noah J. Marcus, Rodrigo Del Rio, Episodic stimulation of central chemoreflex elicits long-term breathing disorders and autonomic imbalance in heart failure rats. European Respiratory Society Congress, Madrid, Spain, 2019
- Hugo S. Díaz, Rodrigo Del Rio, Brainstem pre-sympathetic neuron controls oscillatory breathing in heart failure rats. European Respiratory Society Congress, Madrid, Spain, 2019 - H.S. Díaz, D. C. Andrade. C. Toledo. N. Silva, A.C. Takakura,
T.S. Moreira, R. Del Rio EPISODIC HYPERCAPNIC STIMULATION OF CENTRAL CHEMORECEPTORS INDUCED
RESPIRATORY PLASTICITY AND ELICITS LONG-TERM BREATHING DISORDERS IN HEART FAILURE RATS. 2nd Neural Control of Breathing Symposium, São Paulo, Brazil, 2019
- Esteban Diaz-Jara, David C. Andrade, Camilo Toledo, Hugo Díaz, Rodrigo Del Rio. EXERCISE TRAINING INTOLERANCE IN HIGH OUTPUT HEART FAILURE IS ASSOCIATED WITH ALTERED CHEMOREFLEX FUNCTION. 2nd Neural Control of Breathing Symposium, São Paulo, Brazil, 2019
- Rodrigo Del Rio, David C Andrade, Camilo Toledo, Hugo S Diaz, Claudia Lucero, Alexis Arce-Alvarez. Brainstem pre-sympathetic neuron controls oscillatory breathing in heart failure. Experimental Biology, San Diego, California, United States, 2018
- Díaz HS, Andrade DC, Toledo C, Lucero C, Arce-Álvarez A, Del Rio R. Selective ablation of central pre-sympathetic of C1 neurons from of the Rostral Ventrolateral Medulla prevents cardiac function impairment in heart failure rats with preserved ejection fraction.International Society of Autonomic Neuroscience. Nagoya, Japan, 2017.
- Andrade DC, Toledo C, Takakura AC, Moreira TS, Lucero C, Díaz HS, Arce-Álvarez A, Iturriaga R, Del Rio R. Selective ablation of brainstem pre-sympathetic neurons abolishes the progressive decline in cardiac function in HFpEF. International Union of Physiological Sciences World Congress. Rio de Janeiro Brazil, 2017.
- Toledo C, Andrade DC, Díaz HS, Arce-Álvarez A, Lucero C, Del Rio R. Purinergic signaling in the retrotrapezoid nucleus: a new mechanism involved in the development of breathing pattern irregularities in HFpEF rats. International Union of Physiological Sciences World Congress. Rio de Janeiro Brazil, 2017.
- Díaz HS, Andrade DC, Toledo C, Lucero C, Arce-Álvarez A, Del Rio R. Episodic stimulation of the central chemoreflex elicits ventilatory long-term facilitation and respiratory disorders in heart failure rats with preserved ejection fraction: Role of the Retrotrapezoid nucleus. International Union of Physiological Sciences World Congress. Rio de Janeiro Brazil, 2017.
- Lucero C, Andrade DC, Toledo C, Díaz HS, Arce-Álvarez A, Retamal M, Del Rio R. Chronic blockade of Connexin43
Hemichannels reduces Cardiac Arrhythmogenesis in Heart Failure with preserved Ejection Fraction. International Union of
Physiological Sciences World Congress. Rio de Janeiro Brazil, 2017.
- Arce-Alvarez A, Andrade DC, Toledo C, Lucero C, Díaz H, Del Rio R. Role of Central Chemoreflex Exercise training is an effective non-pharmacological strategy for restore cardiac autonomic imbalance and cardiac function in heart failure with preserved ejection fraction rats. International Union of Physiological Sciences World Congress. Rio de Janeiro Brazil, 2017.
- Andrade DC, Arce-Alvarez A, Toledo C, Diaz H, Lucero C, Faundez M, Iturriaga R, Del Rio R. Exercise training intolerance in heart failure with preserved ejection fraction is associated with altered chemoreflex gain and sympathoexcitation in rats.
Experimental Biology 2017, Chicago USA. FASEB Journal.
- Toledo C, Andrade DC, Lucero C, Diaz H, Arce A, Del Rio R. Decreased purinergic signaling in the RTN is associated with
respiratory disorders in HFpEF rats. Experimental Biology 2017, Chicago USA. FASEB Journal
- Del Rio R, Diaz H, Toledo C, Andrade DC, Arce-Alvarez A, Lucero C. Endoplasmic Reticulum Stress and Neuroinflammation in the RVLM: A Novel Mechanism Related to Sympathoexcitation in Preserved Ejection Fraction Heart Failure. Experimental Biology 2017, Chicago USA. FASEB Journal

1.2. Congresos Nacionales
- Díaz HS, Toledo C, Pereyra KV, Schwarz KG, Ríos-Gallardo A, Del Rio R1. Binge drinking during the adolescence drives persistent cardiorespiratory alterations during the adulthood, 2022. XXXVII Reunión Anual Sociedad Chilena de Ciencias Fisiológicas, La Serena, Chile
- Hugo S. Díaz, Camilo Toledo, Katherine V. Pereyra, Esteban Díaz-Jara, Karla G. Schwarz, Angélica Ríos-Gallardo, Rodrigo Del Rio. Brain oxidative stress and cardiac inflammation during early adulthood following adolescent binge drinking behavior: implications for long-lasting cardiac dysfunction, 2022 XLII Congreso Anual de la Sociedad Chilena de Farmacología, Punta Arenas, Chile
- Ortolani D, Díaz HS, Toledo C, Las Heras A, Ríos-Gallardo A, Ortiz F, Del Rio R. Chronic angiotensin II inhibits delayed rectifier potassium currents in differentiated pre-sympathetic catecholaminergic neurons, 2022. XXXVII Reunión Anual Sociedad Chilena de Ciencias Fisiológicas, La Serena, Chile.
- Alexandra Las Heras, Esteban Diaz-Jara, Camilo Toledo, Katherine Pereyra, Karla G. Schwarz, Hugo S. Díaz, Rodrigo Del Rio. Neuroinflammation in the ventral medulla contributes to cardiorespiratory disorders in heart failure: role of astrocytes, 2022, Reunión Annual de la Sociedad Chilena de Neurociencias, Pucón, Chile,
- Katherine Pereyra, Hugo S. Díaz, Rodrigo Del Río. Chronic treatment with lithium chloride improves cardiac function in experimental non-ischemic heart failure, 2022 XLII Congreso Anual de la Sociedad Chilena de Farmacología, Punta Arenas, Chile.
- Flores M, Arias P, Díaz HS, Toledo C, Del Rio R. Brainstem pre-sympathetic neurons mediate the onset of non-alcoholic fatty liver disease during the progression of heart failure, 2022. XXXVII Reunión Anual Sociedad Chilena de Ciencias Fisiológicas, La Serena, Chile
- H, S. Díaz, D. C. Andrade, C. Toledo, R. Del Rio. Episodic hypercapnic stimulation of central chemoreceptors induced respiratory plasticity and elicits long-term breathing disorders in heart failure rats. XV Reunión Anual de la Sociedad Chilena de Neurociencia 2019, La Serena, Región de Coquimbo, Chile.
- Karla G. Schwarz, Camilo Toledo, David C. Andrade, Hugo S. Díaz, Rodrigo Del Rio. Brainstem catecholaminergic neurons mediate sleep-dependent disordered breathing in heart failure rats. XV Reunión Anual de la Sociedad Chilena de Neurociencia 2019, La Serena, Región de Coquimbo, Chile.
- Camilo Toledo, David C. Andrade, Hugo S. Díaz, Karla G. Schwarz, Katherin V. Pereyra, Cristóbal Diaz, Esteban Diaz-Jara, Rodrigo Del Rio Altered Wnt signaling in the hippocampusis associated with cognitive impairment in heart failure rats. XV Reunión Anual de la Sociedad Chilena de Neurociencia 2019, La Serena, Región de Coquimbo, Chile.
- Diaz-Opazo C, Toledo C, Andrade DC, Diaz HS, Schwarz KG, Diaz-JaraE, Pereyra KV, Del Rio. Acute chemogenetic inhibition of RVLM astrocytes decreases cardiorespiratory chemoreflex response in healthy rats. XV Reunión Anual de la Sociedad Chilena de Neurociencia 2019, La Serena, Región de Coquimbo, Chile.
- Díaz HS, Andrade DC, Toledo C, Arce-Álvarez, LuceroC, Del RioR Brainstem Endoplasmic reticulum stress in the rostral ventrolateral medulla mediates cardiorespiratory disorders in heart failure: A new actor in cardiorespiratory pathophysiology. XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- Camilo Toledo, Hugo S. Diaz, David C. Andrade, Rodrigo Del Rio Episodic stimulation of central chemoreceptors neurons elicits cardiorespiratory plasticity in heart failure: uncovering a new phenomenon in the progression of the disease. XIV Reunión Anual de la Sociedad Chilena de Neurociencia 2018, Puerto Varas, Región de Los Lagos, Chile.
- Toledo C, Andrade DC, Arce-ÁlvarezA, DíazHS, LuceroC, Del RioR Purinergicsignaling in brainstem chemosensitive astrocytes: implications for breathing disorders in heart failure. XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- LuceroCM, AndradeDC, ToledoC, DíazH, Arce-ÁlvarezA, RetamalM,Del RioR,Ablation of pre-sympathetic neurons Sympathetic overstimulation from RVLM improvescardiac dysfunction and increased arrhythmogenesis in heart failure: role of cardiac ias associated with AR-?1 signaling. XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- Ale FreneA, Andrade DC, ToledoC, Arce-ÁlvarezA, DíazHS, LuceroC, Del RioR. Role of carotid bodyfunctionon exercise capacity: are the peripheral chemoreceptors involved in normal rats? XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- Arce-Álvarez A, MelipillanC, AndradeDC, ToledoC, Diaz H, Lucero CM, Rodrigo Del Rio. Cardiac autonomic failure in infants with spontaneous hypertoniaof the upper and lower limbs. XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- AndradeDC, ToledoC, Arce-ÁlvarezA, DíazHS, LuceroC, RodríguezM, Del RioR Photostimulation of brainstem pre-sympathetic neurons triggerslong-term sympathoexcitation and irregular breathing. XXXIII Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2018. Huilo-Huilo, Región de los Ríos, Chile
- Andrade DC, Arce-Álvarez A, Toledo C, Díaz HS, Lucero C, Del Rio R. Role of exercise training on cardiac autonomic control in preserved ejection fraction heart failure. VII Congreso Internacional de Ciencias del Deporte”. 2017, Santiago, Chile.
- Andrade DC, Toledo C, Arce-Álvarez A, Díaz HS, Lucero C, Del Rio R. Exercise training and sympathetic activation in heart failure with preserved ejection fraction: observations in an experimental model. 1st Symposium in Cardiovascular and Respiratory Regulation: A Multidisciplinary Perspective. 2017, Santiago, Chile.
- Andrade DC, Toledo C, Lucero C, Díaz H, Arce-Alvarez A, Del Rio R (Oral Presentation). Selective RVLM C1 neuron ablation improves cardiac sympathetic control in heart failure rats. XIII Reunión Anual de la Sociedad Chilena de Neurociencia 2017, Castro, Chiloe.
- Toledo C, Andrade DC, Díaz H, Arce-Alvarez A, Lucero C, Del Rio R. P2X7 receptor signaling in the retrotrapezoid nucleus contribute to breathing pattern irregularities in heart failure. XIII Reunión Anual de la Sociedad Chilena de Neurociencia 2017, Castro, Chiloe.
- Díaz HS, Toledo C, Andrade DC, Arce-Álvarez A, Lucero C, Del Rio R. Endoplasmic reticulum stress and neuroinflammation in heart failure: A novel link to sympathoexcitation. XIII Reunión Anual de la Sociedad Chilena de Neurociencia 2017, Castro, Chiloe.
- Arce-Álvarez A, Melipillan C, Andrade DC, Toledo C, Díaz H, Lucero C, Del Rio R. Autonomic nervous system impairment in children with pyramidal syndrome. XIII Reunión Anual de la Sociedad Chilena de Neurociencia 2017, Castro, Chiloe.
- Andrade DC, Arce-Alvarez A, Toledo C, Lucero C, Díaz H, Del Rio R. Exercise training and cardiac function deterioration in heart failure with preserved ejection fraction: to tolerate or not to tolerate, that is the question. XXXI Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2016. Huilo-Huilo, Región de los Ríos, Chile.
- Toledo C, Andrade DC, Arce-Alvarez A, Lucero C, Díaz H, Del Rio R. Central sympathetic neuron activation is associated with increased production of O2- radical, expression of AT1R and NF-kB in rats with HFpEF. XXXI Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2016. Huilo-Huilo, Región de los Ríos, Chile.
- Lucero CM, Andrade DC, Toledo C, Manríquez M, Díaz H., Chronic connexin 43 hemichannel blockade reduces cardiac arrhythmogenesis and improves cardiac function in heart failure. XXXI Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2016. Huilo-Huilo, Región de los Ríos, Chile.
- Díaz H, Toledo C, Andrade DC, Arce-Alvarez A, Lucero C, Del Río R. Endoplasmic Reticulum stress in chronic heart failure: a link to sympatho-excitation. XXXI Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2016. Huilo-Huilo, Región de los Ríos, Chile.
- Arce-Álvarez A, Andrade DC, Toledo C, Lucero C, Díaz H, Del Rio R. Effects of exercise training on cardiac function and autonomic balance in rats with HFpEF. XXXI Reunión Anual de la sociedad Chilena de Ciencias Fisiológicas. 2016. Huilo-Huilo, Región de los Ríos, Chile.
- Díaz, Hugo; Reyes, Javiera; Villa, Mónica; Toledo, Jorge; García, Lorena, Role of TNF-? and oxLDL/LOX-1 pathway on cardiac myofibroblast phenotype, XXXVIII Reunión Anual de la Sociedad de Bioquímica y Biología Molecular, Puerto Varas, 2015
- Mónica Villa, Hugo Díaz, Sebastián Leiva, Diana Figueroa, Valentina Camus, Elias Inostroza, Eliseo Parra, Gabriel Ceballos, Lorena García, Receptor LOX-1 es esencial en el proceso de diferenciación y mantención del fenotipo pro-fibrótico de miofibroblastos cardíacos, XXV Congreso Interamericano de Cardiología y Cirugía Cardiovascular, Santiago, 2015
- Figueroa D, Díaz H, Peña M, Arancibia J, Delporte C, García L., Evaluation of inflammatory parameters of foliar extracts of two genotypes from murtilla (Ugni molinae Turcz.) in cardiac fibroblasts, XXXVIII Reunión Anual de la Sociedad de
Bioquímica y Biología Molecular, Puerto Varas, Chile 2015

2. Charlas Plenarias y Actividades de Difusión
2.1. Nacionales
- “Potenciales efectos tóxicos de industrias de curtiembre sobre la salud de la población”, Facultad de Derecho, Universidad de Chile, Santiago, 2012

2.2. Internacionales
- “Importance of brainstem neurons on the progression of heart failure with preserved ejection fraction” 4th Edition of Scholars World Heart Summit, Alexandria, Egypt (online event), 2020
- “Effects of alcohol abuse during adolescence in cardiorespiratory function during adulthood” 4th Global Virtual Conference on Cardiology, Singapore (online event), 2022

3. Patentes

XLI Concurso “Patentar para Transferir”. Pontificia Universidad Católica de Chile
2022-present
Patente en desarrollo (coinventor)

XXXIX Concurso “Patentar para Transferir”. Pontificia Universidad Católica de Chile
2021-present
Patente en desarrollo (coinventor)

4. Datos Adicionales

- Músico de Conservatorio con más de 12 años de formación (2000-2015)
o Instrumento: Oboe. Participación en más de 10 orquestas sinfónicas en las regiones de Coquimbo y Metropolitana
- Voluntariado Fundación CreceChile (2014-2016)
o Preparación de Adultos sin estudios de enseñanza media de sectores vulnerables de Santiago para la finalización de su enseñanza media, contribuyendo a la movilidad social
- Profesor de Oboe en la Corporación Municipal de Puente Alto (2015-2017)
o Contribución al enriquecimiento cultural y movilidad social de niños y niñas vulnerables de la Comuna de Puente Alto
- Profesor de Química y Biología en Preuniversitarios Cpech (2012-2016)
o Preparación de clases regulares y participación en los primeros programas de convenios con colegios de enseñanza media del país, ejecutados en la Provincia de Santiago
- Colectividad Armenia Chilena (2015-actualidad)
o Participación activa en la difusión y enseñanza de la cultura, religión, costumbres, idioma y gastronomía armenia para los integrantes de la diáspora en Chile. Dominio de la escritura Armenia, Georgiana, Rusa y Griega