Lisette Leyton Campos
Full Professor
FACULTAD DE MEDICINA UNIVERSIDAD DE CHILE
Santiago, Chile
Cell Biology; Cell signaling in adhesion and migration; Cell-cell and cell-matrix interactions, focus on neurons and astrocytes; cell signaling in metastasis
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Licenciatura en Bioquímica, UNIVERSIDAD DE CHILE. Chile, 1982
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Bioquímico, UNIVERSIDAD DE CHILE. Chile, 1984
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Doctorado en Ciencias, UNIVERSIDAD DE CHILE. Chile, 1989
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Full Professor Full Time
UNIVERSIDAD DE CHILE
Facultad de Medicina
Santiago, Chile
2012 - At present
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Associate Professor Full Time
UNIVERSIDAD DE CHILE
Facultad de Medicina
Santiago, Chile
2004 - 2012
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Assistant Professor Full Time
UNIVERSIDAD DE CHILE
Facultad de Medicina
Santiago, Chile
1999 - 2004
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Full Professor Full Time
UNIVERSIDAD DE CHILE
Facultad de Medicina
Santiago, Chile
2012 - 2019
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Full Professor Part Time
UNIVERSIDAD DE CHILE
Facultad de Medicina
Santiago, Chile
2019 - At present
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Research Associate-Postdoctoral Fellow Full Time
University of Lausanne
Epalinges, Suiza
1994 - 1999
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Visiting Reseach Assistant Full Time
Duke University
Durham, North Carolina, Estados Unidos
1987 - 1988
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Research Assistant-Postdoctoral Fellow Full Time
Duke University
Durham, North Carolina, Estados Unidos
1989 - 1994
POST-DOCTORAL FELLOWS (Universidad de Chile)
A total of 10 Postdoctoral fellows, 6 in the last 5 years.
Ph.D. THESIS STUDENTS (total of 22 students; 10 completed since 2015; 2 in progress)
From the Ph.D. Program in Biochemistry: Ana María Avalos (2002-2006); Vicente Torres*, (2002-2006); Lorena Lobos* (2007-2011); Horacio Maldonado (2011-2015); Natalia Diaz-Valdivia* (2012-2016); Francesca Burgos (2013-2019); Esteban Palacios (2018-). From the Ph.D. Program in Biomedical Sciences: Tamara Hermosilla (2002-2005); Mónica Brito* (2005-2008); Diego Rodriguez* (2006-2009); Alejandra Valdivia (2007-2010); Rodrigo Herrera-Molina (2007-2009); Milene Kong (2010-2014); Edgardo Rojas* (2011-2015); Catalina Soto (2014); Leonardo Pérez (2017-2020); Ricardo Huilcaman* (2017-2020). From the Program in Pharmacology: Carlos Sanhueza* (2009-2013); Alvaro Alvarez (2010- 2014); Rina Ortiz, (2010-2014); Renato Burgos* (2018-). From the Program in Medical Sciences: Darío Vásquez Ph.D. (2009-2015). All from the University of Chile. *Co-adviser.
Additionally, 16 graduate students have performed lab rotations under my supervision.
POST-GRADUATE LECTURE COURSES (Chile)
Lecturer in the following Post-graduate Courses, “Cellular Signaling” (2000-2020); “Advanced Course in Integral Cellular Microscopy” (2000-2008); “Cellular Biology” (2002-2016); “Advanced Course in Cellular and Molecular Biology” (2003-2016); “Cellular Signaling Module II” (2004-2016).
Organizer and Lecturer of Post-graduate Seminar Course, “Reading and Discussing papers in English” (2004-2013); Organizer and Lecturer of Post-graduate Course, “Written and Oral Communication in Scientific English” (2010-2021); Organizer and Lecturer of Post-graduate Course, “Oral Communication Skills in Scientific English” (2014-2020); Organizer and Lecturer of Post-graduate Course, “Grammar and Written Communication skills in English” (2014-2017); Module IV in “Advanced Course in Cellular and Molecular Biology” (2006-2013); Organizer and Lecturer of Post-graduate Course, “The thesis Project” (2016-2019).
UNDERGRADUATE STUDENT TRAINING IN THE LAB
11 undergraduate thesis students; 22 undergraduate medical students, 3 Biochemistry rotation students and 1 student from abroad (Argentina).
UNDERGRADUATE TEACHING
Participation in undergraduate teaching every year
1999- 2014 Cell Biology for medical and non-medical students, Faculty of Medicine, Universidad de Chile
2000- 2001 Tutorial for medical students to develop a guidebook for “Signal Transduction” chapter of Hypercell (Garland Scientific).
2002- 2011 Tutorial to use the guidebook on signaling with various medical and non-medical students, Faculty of Medicine, University of Chile.
2007- 2008 Development of an audiovisual animation to teach programmed cell death to medical and non-medical students, Faculty of Medicine, University of Chile.
2010- 2011 Development of an interactive multimedia to teach programmed cell death to medical and non-medical students, Faculty of Medicine, University of Chile.
2013- 2014 Development of an interactive multimedia to teach Cell Signaling to medical and non-medical students, Faculty of Medicine, University of Chile
Annual participation in Explora Conicyt Project since 2003
April 2012. Entrevista programa radial FORO CIUDADANO conducido por Vicky Quevedo. Científicos chilenos estudian el sistema nervioso central. http://www.forociudadano.cl/2012/04/
June 2012, http://www.lasegunda.com/Noticias/Buena-Vida/2012/06/754730/Hallazgo-en-cerebro-permitira-reparar-dano-neuronal
July 2012,http://www.emol.com/noticias/tecnologia/2012/07/01/548542/cientificos-chilenostrabajan-
en-tratamientos-contra-traumatismos-graves.html
Sept 2012, Alumnos del colegio Antilhue de La Florida visitan laboratorio de Investigadora BNI. http://www.bni.cl/nv_detailed.php?did=285
Dec 2012, Ganadores del Mejor Trabajo sobre Neurociencia visitan laboratorios del BNI, http://noticias.uach.cl/principal.php?pag=noticia-externo&cod=55442; http://www.laaldea.cl/?p=20324
Invited editor for Special Edition in the Journal Current Molecular Medicine (published 2014) covering the two International Symposia on Cell Migration held in the Annual meeting of the Chilean Society for Cell Biology, Oct 23 – Oct 27,
2012, Puerto Varas, Chile. Leyton L, Torres VA, and Quest A.F.G. “Editorial: signaling in cell migration and disease.” Curr Mol Med. 14(2):197-8 (2014).
Symposium for the XXXII National Congress of Biochemistry Students of Chile (ANEB) and II South American Congress of Biochemistry Students, July 20– 25, 2015 (Organizer and Lecturer, Centro de Extensiones P. Universidad Católica de Chile, Santiago, Chile). Finantial support from BNI, Iniciativas Científicas Milenio.
Organizer of the visit of the International lecturer for the XXXII National Congress of Biochemistry Students of Chile (ANEB) and II South American Congress of Biochemistry Students, July 20– 25, 2015. Dr. Luis Bagatolli from the University of Denmark. Finantial support from ANEB.
Edición de la traducción al español del sitio web del "The Linus Pauling Institute Micronutrient Information Center":lpi.oregonstate.edu/mic. 2014-2015.
Invited speaker to the following symposia/conferences:
1) Faculty of Physics, Georg-August- University in Göttingen (2012) “2ndSymposium on Biophysical Methods for Medical Neurobiology -
Göttingen>
2) First NeuroSur Meeting. Pasteur Institute - Montevideo & After Hotel Montevideo, Uruguay. Symposium Cell Biology of the neuron. L. Leyton
"Bidirectional signaling between neurons and astrocytes". August 1 - 3, 2012.
3) University of North Carolina at Chapel Hill, Department of Developmental and Cellular Biology (2013). "Astrocyte adhesion and migration induced by the neuronal protein Thy-1". Invited by Dr. Keith Burridge.
4) Second NeuroSur Meeting. Leloir Institute - Buenos Aires, Argentina. NeuroSur Network. L. Leyton by A. Couve "Neurobiología Subcelular". August 29 - 30, 2013.
5) University of Lausanne, Department of Biochemistry, Friday Seminars, CIIL "Bidirectional signaling between neurons and astrocytes via Thy-1/ integrin interaction ". Invited by Dr. Pascal Schneider. University of Lausanne, Epalinges, Switzerland. September 19, 2014.
6) Third NeuroSur Meeting. Federal University of Rio de Janeiro - Rio de Janeiro, Brasil. NeuroSur Network. November 5 - 7, 2014. http://www.bni.cl/redes.php
7) School of Neurobiology (Post graduate course); From molecules to systems: Modern neurobiology at a glance. Lecturer "Regeneration and glial cells". Invited by Dr Sean Patterson, Instituto de Histología y Embriología de Mendoza (IHEM)-CONICET. Facultad de Ciencias médicas, Universidad de Cuyo, Mendoza, Argentina August 31-September 11, 2015.
8) International Symposium for the XXXIX Reunión Anual de la SBBMCh “Effect of force in Biology: from enzymes to signaling in the cell” Organized by Lisette Leyton and Christian A.M. Wilson (Universidad de Chile). Organizer and Lecturer. Centro de Convenciones Hotel Patagónico, Puerto Varas, Chile (Sept 27- 30, 2016).
9) Leyton, L. “Cell adhesion molecules in the bidirectional signaling of neurons and astrocytes” Presented in the Symposium Chile-Brasil: Neurochemistry. 45a Reunión Anual de la Sociedad Brasilera de Bioquímica y Biología Molecular Centro de Convenciones de Natal, Natal, Brasil (Junio 18-21, 2016).
10) Organization and participation in the Summer Doctoral School for young researchers from Colombia, Brazil, Peru and other Latin American countries. Activity organized by the Committee of the Doctoral Program in Biomedical Sciences and the Office of International Affairs to attract applicants to the program. 14-18 January 2019
11) News and Video about a publication in Cell Communication and Signaling. Protein interactions offer new insight into cell movement required for healing wounds, August 3, 2020. https://aqll-lab.cl/video-bytes-protein-interactions-offer-new-insight/; https://youtu.be/5VKieMZbUBM
12) News about a publication in Frontiers in Research Metrics and Analytics, section Scholarly Communication. Article written with the graduate students of an English course. September 2020 http://uchile.cl/m169957; https://cmcmed.cl/2020/11/24/; https://aqll-lab.cl/does-peer-reviewing-for-covid-19-related-papers-still-work/; https://sbcch.cl/2020/11/21/
13) Interview in radio Atractiva FM Los Lagos on Helicobacter pylori in neurodegeneration. https://www.youtube.com/watch?v=BWNWPdqUm2k; https://www.instagram.com/p/CKUqAeoHTTI/…
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The Rotary Foundation of Rotary International Fellowship
DUKE UNIVERSITY
Estados Unidos, 1987
Fellowship for a year training as a graduate student at Duke University, Durham, NC., USA. Ph.D. thesis accomplished
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Rockefeller Foundation Special Postdoctoral Fellowship
DUKE UNIVERSITY
Chile, 1989
Fellowship to work in Reproductive Biology.
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International Fellowship, Fogarty International Center, National Institute of Health
DUKE UNIVERSITY
Chile, 1990
Fellowship for Postdoctoral training
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Andrew W. Mellon Foundation Training Fellowship
DUKE UNIVERSITY
Chile, 1992
Postdoctoral Training Fellowship
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Federation of European Biochemical Societies long-term fellowship
UNIVERSITY OF LAUSANNE
Suiza, 1995
Postdoctoral training fellowship
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Federation of European Biochemical Societies follow-up fellowship
UNIVERSITY OF LAUSANNE
Chile, 1999
Special Award to return to my home country
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Best undergraduate and Master’s thesis
SOCIEDAD DE BIOLOGIA DE CHILE
Chile, 2009
Price awarded to the student Hery Urra (LLeyton, thesis Director) for presenting the best undergraduate and Master’s thesis.
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best thesis in Biology of the University of Chile
UNIVERSIDAD DE CHILE
Chile, 2011
Price to the graduate student Alejandra Valdivia (LLeyton, thesis Director) for the best thesis in Biology of the University of Chile.
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Allende-Connelly Foundation Award of Excellence to the best PhD Thesis in the field of Biological Sciences at the University of Chile
UNIVERSIDAD DE CHILE
Chile, 2017
Best PhD thesis in Biology (honor award) to Natalia Diaz-Valdivia
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Best Oral presentation
SOCIEDAD DE BIOQUIMICA DE CHILE
Chile, 2016
Best oral presentacion to PhD students. Awarded to Francesca Bustos-Bravo
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Best picture in the ACCDiS cancer spring symposium
ACCDiS
Chile, 2016
Best picture contest. Awarded to Rina Ortiz.
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Best poster presentation
ACCDiS
Chile, 2016
Best poster presentation in the ACCDiS Cancer Spring Symposium. Awarded to Natalia Diaz-Valdivia
Signaling in Cell Migration and Disease |
Controlling neurotoxicity of reactive astrocytes in inflammatory conditions by altering endo-lysosomal trafficking |
Mechanisms triggering aVb3 Integrin expression in astrocyte reactivity |
ASTROCYTES IN A PROINFLAMMATORY CONTEXT INCREASE CELL ADHESION BY REGULATING THE ACTIVATION OF RHOA THROUGH THE PHOSPHORYLATION OF RHO MODULATORS BY PKCALPHA |
Astrocytes in a proinflammatory context increase cell adhesion by regulating the activation of RhoA through the phosphorylation of Rho modulators by PKCalpha |
INCREASED EXPRESSION OF ?3 INTEGRIN AND SYNDECAN-4 IS CONTROLLED BY THE RAB/ARF-ENDOCYTIC PATHWAY IN REACTIVE ASTROCYTES |
Increased expression of avb3 integrin and syndecan-4 is controlled by the Rab/Arf-endocytic pathway in reactive astrocytes. |
Phosphatases and exosomes in caveolin-1-mediated metastasis |
Phosphatases and exosomes in caveolin-1-mediated metastasis |
ROLE OF MITOCHONDRIAL ENERGY METABOLISM AND MITOCHONDRIAL LOCALIZATION IN STIMULATED CELL MIGRATION |
Role of mitochondrial energy metabolism and mitochondrial localization in stimulated cell migration. |
The Thy-1 receptors aVb3 integrin and Syndecan-4 on astrocytes control mitochondrial location as well as ATP release and thereby contribute to the neurotoxic effects of reactive astrocytes |
THE THY-1 RECEPTORS αVβ3 INTEGRIN AND SYNDECAN-4 ON ASTROCYTES CONTROL MITOCHONDRIAL LOCATION AS WELL AS ATP RELEASE AND THEREBY CONTRIBUTE TO THE NEUROTOXIC EFFECTS OF REACTIVE ASTROCYTES. |
Advanced Center for Chronic Diseases (ACCDiS) |
Centro de estudios avanzados de enfermedades crónicas (ACCDiS). |
Espectroscopía por resonancia de plasmon superficial: una plataforma química para la detección de biomarcadores de enfermedades crónicas y estudios farmacológicos |
Más allá del límite: Microscopía de Super-resolución para investigación a nanoescala |
Plataforma de microscopía confocal para uso en investigaciones biomédicas avanzadas |
Referente Nacional y Regional para la Formación de Recursos Humanos de Excelencia para Investigación Biomédica |
Caveolin-1-dependent migration and metastasis of cancer cells requires Tyr14 phosphorylation, sequestration of p85α and activation of the Rab5-Rac1 pathway, which are inhibited by expression of E-cadherin |
Caveolin-1-dependent migration and metastasis of cancer cells requires Tyr14 phosphorylation, sequestration of p85a and activation of the Rab5 Rac1 pathway, which are inhibited by expression of E-cadherin |
Interaction of PAR-3 with syndecan-4 induced by thy-1 is involved in astrocyte migration |
INTERACTION OF PAR-3 WITH SYNDECAN-4 INDUCED BY THY-1 IS INVOLVED IN ASTROCYTE MIGRATION |
Plataforma de microscopía confocal para uso en investigaciones biomédicas avanzadas |
Switch of cell adhesion-to-migration induced by Thy-1 engagement of Integrins and Syndecan-4 in astrocytes |
SWITCH OF CELL ADHESION-TO-MIGRATION INDUCED BY THY-1 ENGAGEMENT OF INTEGRINS AND SYNDECAN-4 IN ASTROCYTES |
Cellomics: Una plataforma automatizada de microscopia de alta complejidad a gran escala con potencial Biotecnólogico |
Cellomics=> Una plataforma automatizada de microscopia de alta complejidad a gran escala con potencial Biotecnologíco |
Señalización por estrés metabólico en cáncer, enfermedades cardiovasculares y diabetes |
Señalización por estrés metabólico en cáncer, enfermedades cardiovasculares y diabetes |
Señalización por estrés metabólico en cáncer, enfermedades cardiovasculares y diabetes |
Biomedical Neuroscience Institute |
Instituto de Neurociencia Biomédica (BNI) |
PRO-INFLAMMATORY STIMULI INCREASE ALPHAVBETA3 INTEGRIN EXPRESSION IN ASTROCYTES, WHICH UPON ENGAGEMENT OF NEURONAL THY-1 TRIGGERS BIDIRECTIONAL-SIGNALING EVENTS REQUIRED FOR ASTROCYTE MIGRATION AND AXONAL RETRACTION.. |
Pro-inflammatory stimuli increase alphaVbeta3 integrin expression in astrocytes, which upon engagement of neuronal Thy-1 triggers bidirectional-signaling events required for astrocyte migration and axonal retraction |
Thy-1-induced syndecan-4-dependent RhoA activation on astrocytes |
Thy-1-induced syndecan-4-dependent RhoA activation on astrocytes |
Center for Molecular Studies of the Cell |
Thy-1/αVβ3 integrin interaction activates bidirectional signaling pathways involving PKCα and Rho GTPases in both astrocytes and neurons |
"SIGNALING MECHANISMS TRIGGERED BY THE INTERACTION BETWEEN THY-1 AND AvB3 INTEGRIN=> AN ESSENTIAL STEP TOWARDS UNRAVELING THY-1 FUNCTION IN NEURONS AND ASTROCYTES". |
Center for Molecular Studies of the Cell |
Molecular mechanisms underlying Thy-1-induced integrin signaling in astrocytes |
Functional role of caveolae-like plasma membrane microdomains and protein kinase C isoforms in nerve growth factor-induced differentiation of PC12 cells |
Neuronal Thy-1 binds to b3 integrin in astrocytes and thereby restricts neurite outgrowth |
Identification of a ligand molecule for the GPI-anchored protein, Thy-1 |
Identification of a ligand molecule for the GPI-anchored protein, Thy-1=> towards unraveling signaling mechanism involved in neurite outgrowth |
Protein Kinase C isoforms in the control of cell growth=> Role of lipid second messengers and compartamentalization of PKC isoforms |