Juan Carlos Saez Carreño
Professor
Universidad de Valparaiso
Valparaíso, Chile
Regulation and function of gap junctions and hemichannels formed by connexins or pannexins in cells of the brain and skeletal muscles under normal and pathological conditions.
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Biochemist, UNIVERSIDAD DE CONCEPCION. Chile, 1979
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Neurociencias, ALBERT EINSTEIN COLLEGE OF MEDICINE. Estados Unidos, 1986
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Instructor Full Time
UNIVERSIDAD DE CONCEPCION
Biological Sciences
Concepcion, Chile
1979 - 1983
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Assistant Professor Full Time
ALBERT EINSTEIN COLLEGE OF MEDICINE
New York, Estados Unidos
1987 - 1993
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Assistant Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Biological Sciences
Santiago, Chile
1993 - 1994
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Associate Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Biological Sciences
Santiago, Chile
1995 - 2002
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Full Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Biological Sciences
Santiago, Chile
2003 - 2017
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Full Professor Full Time
UNIVERSIDAD DE VALPARAISO
Facultad de Ciencias
Valparaiso, Chile
2017 - A la fecha
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INstructor Full Time
Universidad de Concepcion
Concepcion, Chile
1979 - 1983
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Assistant Professor Full Time
Albert Instein College of Medicine
New York, Estados Unidos
1987 - 1993
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Assistant Professor Full Time
Pontificia Universidad Católica de Chile
Santiago, Chile
1993 - 1994
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Associate Professor Full Time
Pontificia Universidad Católica de Chile
Santiago, Chile
1994 - 2002
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Professor Full Time
Pontificia Universidad Católica de Chile
Santiago, Chile
2003 - A la fecha
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Professor Full Time
Universidad de Valparaiso
Valparaiso, Chile
2017 - A la fecha
7 postoral fellows
-Dr. Iván Bravo. Involvement of connexin hemichannles expressed by glial cells in depression. (2018-present).
-Dr. Iván Barría. Role of connexin-based channels expressed by glia in the cochlea under inflammatory conditions. (2018-present)
-Dr. Rosalba Escamilla. Role of hemichannels in oligodendrocytes of neuroinflammatory diseases.(2014-present).
-2014-2017. Dra. Elisa Balboa. Proyecto Fondecyt. Relevancia del estrés oxidativo, la disfunción mitocondrial y la expresión de conexinas en la inducción de atrofia muscular por
dexamatasona.
-Dr. Carlos Puebla. FONDECYT. (3130662). "Regulation glucose transport through its specific transporters and hemichannels by essential fatty acids in the small intestine".
-Dr. Adam Aguirre. FONDECYT. (3130632)."Involvement of hemichannels in glia pre-activation by auditory stress to inflammation promoted by poly (I:C) and consequences on
neuronal arborization and survival".
-Dr. Jose Luis Vega. FONDECYT.(3120006). “Regulation of connexin-43 hemichannels properties by PKC, PKA and MAP kinases”.
34 graduate students and 6 undergraduate students
- 2020 Presente. Claudia García. Doctorado en Neurociencias, Instituto de Neurociencias. Universidad de Valparaíso. Mejoramiento del tratamiento actual de la epilepsia
considerando la neuroinflamación mediada por hemicanales
- 2012-2020. Ximena López. Doctor Ciencias Fisiológicas, PUC. Papel de hemicanales formadospor Panexina 1 en la inhibición de la activación de linfocitos T CD4+ por
adenosina
- 2011-present. Bruno Cisterna.Doctor Ciencias Fisiológicas, PUC. "Role of connexin hemichannels in muscle atrophy induced by denervation".
- 2012-present. Elsa Fritz,(Co-mentor with Dr. Jorge Campusano) Doctor Ciencias Fisiológicas, PUC. "Role of innexins on the coordinated circadian of behavior in Drosophila
melanogaster".
- 2013-present. Gonzalo Gomez, Doctor Ciencias Fisiológicas, PUC."The R hoA/ROCK pathway regulates the connexin43 hemichannel and gap junctional channel activity in
angiotensin-induce kidney injury.
- 2013-present. Dusan Recordon. (co-mentor with Dr. Gareth Owen). Doctor Ciencias Fisiológicas, PUC. "Purinergic signaling in the vasculogenesis-like process".
- 2009-present. Carola Marturana, Doctor Ciencias Fisiológicas, PUC. "Involvement of pannexin1 hemichannels of oligodendrocytes in amyelinization during prenatal stress".
- 20111-present Anibal Vargas, Doctor Ciencias Fisiológicas, PUC. "Involvement of connexin hemichanels in muscle atrophy induced by cachexia".
- 2009-present. Paloma Hacha, Doctor Ciencias Fisiológicas, PUC. Involvement of hemichannels in the degranulation response induced by immunoglobulin E in murine mast
cells”
- 2012-2014. Carolina Urrutia, (co-mentor with DR. Victoria Velarde). Master in Science: Free Radicals and Biomedicine”. The University of Vaparaíso. "Activation of
hemichannels
formed by connexins promotes Ca2+ influx, oxidative stress, and cell death, which is prevented by antioxidant agents that block hemichannels”.
- 2009-2013. Maximiliano Rovegno. (Co-mentor with Dra. Rommy von Benhardi). Doctorado en Ciencias Médicas, PUC. “Activation of inflammation in astrocytes induced by
ATP release via connexin hemichannels in an in vitro model of brain trauma".
- 2009-2013. Raúl Lagos Cabré. (Co-mentor with Dr. Ricardo Moreno). Doctorado en Ciencias Fisiológicas, PUCC. “Modulation of the ADAM protein family by xenostrogens
induces apoptosis in male germinal cells”.
- 2009-presente. Daniela Salas. (Co-mentor with Dr. Sergio Lavandero). Doctorado en Bioquímica, Universidad de Chile. “Regulation of Cx43 hemichannels by metabolic
stress”.
- 2008-2012. Pablo J. Sáez. Candidato a Doctor Ciencias Fisiológicas, PUC. Regulation and funtion of hemichannels and gap junction channels at the interaction between
dendritic cell and T lymphocytes.
- 2009-2012. Vania Figueroa. (Co-mentor with Dr. Agustín Martínez). Doctorado en Neurociencias, Universidad de Valparaíso. Activation of hemichannels formed by hCx26
and hPanx1 under physiologic and pathologic conditions and its possible role in the etiopatognesis of defness.
- 2008-2012. Luis A. Cea. Doctor Ciencias Fisiológicas, PUC. The activity controls the levels of connexins 39, 43 and 45 in rat skeletal muscles.
- 2008-2011. Kenji Shoji. Doctor Ciencias Fisiológicas, PUC. T-lymphocytes present Panx1 channels coupled to P2X7 receptor that mediate ATP-induced cell death induced
by extracellular ATP.
- 2008-presente. Romina Hernández (Co-tutor con Dra. M.V. Velarde). Candidato a Doctor Ciencias Fisiologicas, PUC. Effect of boldine in diabetic nephropaty in rats.
- 2008-2010. Juan A. Orellana. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Role and regulation of astroglial channels formed by connexin43 in
neuronal death induced by hypoxia in high glucose: potentiation by neurodegenerative agents.
- 2005-2010. Manuel A. Riquelme. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Role of panneixn1 hemichannels and extracellular ATP in myogenic
commitment and potentiation of muscle contraction in adult muscles.
- 2003-2008. Carolina Gatica de la Puente. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Role of hemichannels and gap junction channels in neuronal
differentiation and myogenic commitment acquisition in cell lines.
- 2005-2008. Helmuth Sánchez. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Involvement of connexin32 based channels in cell responses of two in
vitro models of ischemia-reperfusion.
- 2007-2008. Kurt A. Schalper. Doctor en Ciencias Médicas, PUC. Modulation of connexin hemichannel functional state by different physicochemical stimuli.
- 2003-2005. Mauricio Retamal. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas. PUC. Hemichannels formed by connexin43 are sensitive to redox changes.
- 2003-2005. Mauricio Garré. (Co-Director con la Dr. Veronica Abudara). Maestría en Biología, opción Neurociencias. PEDECIBA, Uruguay.Effects of fibroblast growth factor
FGF-1 on the intercellular communication medoated by gap junction channels on the neurotoxic phenotype of spinal astrocytes
- 2001-2005. (Co-Director con el Dr. M. Boric) Loreto P. Véliz. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Expression and function of gap junctions
between leukocytes and endothelial cells during inflammation.
- 1999-2003. Sra. Liliana Corvalán. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. “Gap junctions in contacts dendrict cell-T cell contacts”.
- 1999-2003. Dr. Jorge Contreras. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. “Biophysical properties and mechanism of action of hemichannels
formed by connexin43: possible participation in cell death induced by ischemia”.
- 1999-2004. Roberto Araya. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. Papel de los receptores purinérgicos y de las uniones en hendidura en el
proceso de diferenciación del músculo esquelético.
- 1998-2001. Dr. Eliseo A. Eugenín. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas, PUC. “Uniones en hendidura (UH) entre macrófagos: identificación de
conexinas, regulación de su expresión y su función en procesos metabólicos y celulares”.
- 1997-2000. Dr. María C. Brañes. Doctor en Ciencias Biológicas, mención, Biología Celular y Molecular. PUC. “Polymorphonuclear cells and endothelial cells form homo end
heterocellular gap junctions regulated by proinflammatory agents”.
- 1996-1998. Dr. Hernán González. Doctor en Ciencias Médicas. PUC. “Effect of endotoxemia on hepatic gap junctions”.
- 1996-1999. Dr. Agustín Martínez. Doctor en Ciencias Biológicas, mención Ciencias Fisiológicas. PUC. “In vitro regulation of glial gap junctions by inflammatory conditions”.
- 1989-1992. Dr. Viviana M. Berthoud, Department of Neuroscience, Albert Einstein College of Medicine, Nueva York, E.E.U.U. Ph.D. in Sciences. “Regulation of Gap
Junctions”.
24 Undergradute thesis
- 20178-2019. Catalina A. Ascencio Barría. “Análisis de la expresión y estado funcional de conexinas en cáncer de próstata”. (Cotutoría con Dr. Alejandro Godoy).
- 2017. Camila Aravena. Biochemist, PUC Role of glial hemichannels in epilepsy.
- 2015-2016. Fijiko Saveedra. “Participación de los hemicanales formados por conexinas en la atrofia
de los músculos esqueléticos rápidos adultos producida por denervación”. Bioquímico. Pontificia
Universidad Católica de Valparaiso.
- 2013-2014 Angelica Benvenuto.Biochemist, PUC. "Characterization of hemichannels and gap junction channels formed by connexina43 y pannexin 1 en adipocytes"
- 2011. (Co-mentor with Dr. Xavier Figueroa) Mauricio A. Lillo. Biochemist, PUC. Involvement hemichannels formed by connexins or pannexins in NO transport cross the
cell membrane in the vascular wall.
- 2009. Anibal Vargas. Lic. Biología, PUC. Characterization of antimycin A as an inhibitor of hemichannels formed by connexins.
- 2007-2009. (Co-mentor with Dr. Sergio Lavandero). Daniela P. Salas. Biochemist, Universidad de Chile. Hemichannels formed by connexins in volume regulation in
myocardiocytes exposed to hypoosmotic stress.
- 2009. Paola Soto. Biologist, PUC. Study on channels formed by connexin32 in a cell line derived from oligodendrocytes.
- 2008. Marlene Arismendi, Industrial Chemist, UTEM, Purification and biological activity of compounds derived from Boldo on channels formed by connexins.
- 2008. Diego Hernández, Biologist, PUC. Regulation of astroglial and neuronal channels formed by connexins in neurodegenerative processes.
- 2009. Natalia Vega, Biochemist, PUC. Regulation of cell membrane permeability by phosphorylation of hemichannels formed by connexin43 via protein kinase C (PKC).
- 2008. Paloma Harcha, Biologist, PUC. D2SC1 cells express functional hemichannels formed by pannexina1.
- 2006. Ariel Orellana. Biologist, PUC. The acquisition of myogenic commitment of reserve C2C12 cells requires activation of P2X receptors.
- 2006. Pablo J. Sáez, Biologist, PUC. ATP and TNF-? induce formation gap junction channels in microglia.
- 2006. Kenji Shoji, Biologist, PUC. The redox sensor of hemichannels formed by connexin43 is located in the carboxyl terminus of the protein subunit.
- 2005. Juan Andrés Orellana, Biologist, PUC. Chlorpromazine inhibits intercellular communication mediated by gap junctions in Gn-11 cells and astrocytes.
- 2005. Constanza J. Cortés, Biologist, PUC. Opening of Cx43 hemichannels in mediated by oxidative mechanisms in astrocytes”.
- 2005. Nicolás Palacios, Biologist, PUC. Modulation of the functional state of connexin-based channels by sexual hormones and tamoxifen in a cells line derived from human
breast cancer.
- 2002-2003. Manuel Riquelme-Biochemist, PUC. P2X receptors and connexin-based channels are needed for acquisition of myogenic commitment.
- 1998-1999. Patricio Orio-Biochemist, Universidad de Chile. Molecular characterization and functional gap junctions Express by Peripherals human lymphocytes.
- 1997. Alejandro Sepúlveda-Biochemist, Univ. Austral de Chile. Gap junctions between antigen-presenting cells and T cells: characterization and regulation of connexins.
- 1997. Eliseo Eugenín-Biochemist, Univ. Austral de Chile. Regulation of glycogen stores by norepinephrine in rat pineal gland: role of gap junctions.
- 1994-1995. Francisco Scheihing- Biochemist, Universidad Católica de Valparaíso. Effect of leptocarpin on gap junctions of epithelial cell lines.
- 1996. Erwin Strahsburger-Biochemist, Univ. Austral de Chile. Regulation of gap junctional Communications in astroglial cells of the pineal gland.
3 workshops and three meeting symposia.
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Scopus
Elsevier Editorial
Chile, 2008
Highest productivity and impact among Chilean Scientist in Pharmacology, Biochemistry, Cell Biology and Molecular Biology
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Member of the National Academy of Science USA
UNIVERSIDAD DE VALPARAISO
Estados Unidos, 2019
Member of the National Academy of Science USA
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Member of the Latin American Academy of Science
UNIVERSIDAD DE VALPARAISO
Chile, 2017
Cell Biology and Molecular Biology
HIV infection of astrocytes increases release of Dickkopf-1 protein by a gap junction and hemichannel dependent mechanism |
Specific ablation of connexin 43 delays skeletal muscle regeneration in vivo |
Connexin and Pannexin Based Channels in the Nervous System: Gap Junctions and More |
Brain Research Reviews: Preface |
We've had important advances in the connexin/pannexin field, yet there is still much to do |
Astrocytes as connexin-dependent signaling cells for local blood flow regulation |
UNIONES EN HENDIDURA Y SU PAPEL FUNCIONAL EN EL TRACTO REPRODUCTOR FEMENINO |
DIVERSE CELL TYPES PRESENT PANNEXIN1-BASED GAP JUNCTION CHANNELS WITH DISTINCT REGULATORY, FUNCTIONAL AND PHARMACOLOGICAL PROPERTIES |
Centro Interdiciplianrio de Neurociencias de Valparaiso |
UNCOVERING THE ROLE OF HEMICHANNELS IN GLIAL AND NEURONAL DYSFUNCTION INDUCED BY ALPHA-SYNUCLEIN |
Neuronal derived factor(s) and mechanim(s) that repress the expression of non-selective ion channels in normal adult skeletal muscles |
RELEVANCIA DEL ESTRÉS OXIDATIVO, LA DISFUNCIÓN MITOCONDRIAL Y LA EXPRESIÓN DE CONEXINAS EN LA INDUCCIÓN DE ATROFIA MUSCULAR POR DEXAMETASONA |
CONNEXIN HEMICHANNELS AS MEDIATORS OF SARCOLEMMAL AND MITOCHONDRIAL DYSFUNCTION IN RESPIRATORY AND PERIPHERAL MUSCLE IN THE PATHOGENESIS OF SEPSIS ASSOCIATED-INTENSIVE CARE UNIT ACQUIRED WEAKNESS (ICUAW) |
"INVOLVEMENT OF HEMICHANNELS IN GLIA PRE-ACTIVATION BY AUDITORY STRESS TO INFLAMMATION PROMOTED BY POLY (I=>C) AND CONSEQUENCES ON NEURONAL ARBORIZATION AND SURVIVAL" |
REGULACION DEL TRANSPORTE DE GLUCOSA, A TRAVES DE SUS TRANSPORTADORES ESPECIFICOS Y HEMICANALES, POR ACIDOS GRASOS ESENCIALES EN INTESTINO DELGADO |
Centro Interdiciplianrio de Neurociencias de Valparaiso |
INVOLVEMENT OF TACE/ADAM17 AND PANNEXIN HEMICHANNELS IN XENOESTROGENS INDUCED APOPTOSIS IN MAMMALIAN SPERMATOGENESIS |
REGULATION OF CONNEXIN43 HEMICHANNELS PROPERTIES BY PKC, PKA AND MAP KINASES. |
ROLE AND REGULATION OF HEMICHANNELS IN FUNCTIONAL RESPONSES OF INACTIVE, ACTIVE AND ACUTELY CACHEXIC ADULT SKELETAL MUSCLES. |
Role nad regulation of hemichannels in functional responses of inactive, active and acutly cachexic adult skeletal muscle |
COORDINATION OF MICROVASCULAR FUNCTION BY LONG DISTANCE ENDOTHELIAL CELL SIGNALING BASED ON CONNEXIN-MEDIATED COMMUNICATION AND VOLTAGE-DEPENDENT VASODILATOR MECHANISMS |
PATHOGENIC MECHANISM OF CONNEXIN26 MUTATIONS INVOLVED IN SYNDROMIC AND NON-SYNDROMIC DEAFNESS |
PAPEL Y REGULACION DE LOS CANALES FORMADOS POR CONEXINA43 ASTROGLIAL EN LA DISFUNCION Y MUERTE CELULAR EN TEJIDO CEREBRAL IN VITRO INDUCIDA POR ISQUEMIA-REPERFUSION EN ALTA GLUCOSA. |
ESTUDIO DEL PAPEL REGULADOR DE LAS CONEXINAS SOBRE EL PROCESO DE NEUROGENESIS Y GLIOGENESIS IN VITRO |
IDENTIFICACION Y REGULACION DE VIAS DE SENALIZACION INTERCELULAR EN EL EPITELIO DEL OVIDUCTO QUE CONTROLAN EL TRANSPORTE MUCOCILIAR EN CONDICIONES FISIOLOGICAS Y FISIPATOLOGICAS. |
CARACTERIZACION DE MECANISMOS MODULADORES DEL ESTADO FUNCIONAL DE HEMICANALES DE LAS UNIONES EN HENDIDURA EN CELULAS DEL SISTEMA NERVIOSO CENTRAL. |
IMPORTANCIA Y REGULACION DE MECANISMOS DE SENALIZACION INTERCELULAR EN LA RESPUESTA INFLAMATORIA |
REGULACION Y FUNCION DE LAS UNIONES EN HENDIDURA EN MODELOS DE INFLAMACION "IN VITRO" |
MECANISMOS DE COORDINACION Y CONTROL DE LA ACTIVIDAD CILIAR EN EL EPITELIO DEL OVIDUCTO. |
REGULACION DE LAS UNIONES COMUNICANTES DEL ACINO HEPATICO Y SU POSIBLE FUNCION EN LA RESPUESTA GLUCOGENICA DEL HIGADO |
REGULACION Y FUNCION DE LAS UNIONES COMUNICANTES DE LA GLANDULA PINEAL |
SUPEROXIDOS Y PATOGENIA DEL SINDROME DE SHOCK. |