Bioquimico, PhD especialista en Virología Molecular
Cargo
Profesor Titular
Subdirector de Infraestructura de Investigación
Director Centro de Investigaciones Médicas
Teléfono
Contacto
malopez@med.puc.cl
Formación Pregrado:
Universidad Austral de Chile, Valdivia, Chile
Formación Postgrado:
Doctor en Ciencias, Facultad de Ciencias, Universidad de Chile, Santiago, Chile. Supervisores: Profs. Eugenio Spencer y Jean-Luc Darlix.
Université Claude Bernard-Lyon I, Lyon, France. Mention: Très honorable avec félicitations. Supervisor: Prof. Jean-Luc Darlix.
Unité de Virologie Humaine, Ecole Normale Supérieure de Lyon, Lyon, France. Supervisor: Prof. Jean-Luc Darlix.
McGill University, School of Medicine, Biochemistry Department, Montreal, Quebec, Canada. Supervisor: Prof. Nahum Sonenberg.
Áreas de investigación Doctorado Ciencias Médicas:
Actividades Docentes:
Docente para la carrera de Medicina en Virología de VIH y hepatitis C
Docente Supervisor de tesis de alumnos de pregrado de las carreras de biología, bioquímica de la Pontificia Universidad Católica, USACH, Universidad de Chile, Universidad de Concepción, y otras
Supervisor de tesis de doctorado y magister, catorce alumnos a la fecha.
Supervisor de alumnos de postdoctorado
Líneas de investigación:
El laboratorio está interesado en la relación virus hospedero investigación que aborda siguiendo dos líneas principales:
Proyectos de investigación:
Investigación y Proyectos vigentes:
ICN2021_045 Instituto Milenio en Inmunología e Inmunoterapia (IMII), Investigador Principal: Marcelo López Lastra (Diciembre 2021-Diciembre 2031). https://www.imii.cl/organigrama-imii/
FONDECYT Regular 1210736, Regulating the regulators; the impact of IRES-transacting factors and their post-translational modifications on retroviral IRES activity. Investigador responsable: Marcelo López Lastra (Abril 2021 – Marzo 2025).
2017-2020: FONDECYT 1170590, IP, ““Identifying RNA-Binding Proteins (RBP) that act as Transacting factors for retroviral internal ribosome entry sites (IRESs); role RBP in retroviral IRES-mediated protein synthesis.”
2016-2018: ECOS/CONICYT C15B03 “Understanding the role of the DEAD-box helicase DDX3 in viral and cellular messenger RNA metabolism“. PI: Ricardo Soto Rifo/ Marcelo López-Lastra (Chile) and Emiliano Ricci/Theophile Ohlmann (France).
2015-2018: Proyecto Anillo ACT 1408 “Patogenia molecular de Virus Emergentes”. Director: M. López-Lastra.
2013-2016: FONDECYT 1130270 “Study of the mechanism of translation initiation of retroviral mRNAs; the role of cellular proteins and RNA structure”. IP: M. López-Lastra.
2013-2016: FONDECYT 1130357 “Hepatitis C virus exploits the hepatic lipid pathways: Role of NPC1L1 in HCV infection.” Co-PI: M. López-Lastra
2013-2016: Laboratoire International Associé/CNRS International Associated Laboratory (LIA): UMR8015 équipe dirigé par Bruno SARGUEIL (Paris) / Laboratoire de virologie dirigé par Marcelo LOPEZ-LASTRA (Santiago du Chili). Translation of hantaviruses – Defining a therapeutic target (project ANDES).
2011-2021: Programas de Instituto Milenio “Instituto Milenio de Inmunología e Inmunoterapia” (Chile). Co-PI: M. López-Lastra.
Proyectos finalizados los úlitmos 4 años:
2013-2015: FONDEQUIP EQM-130092 “Mejoramiento del equipamiento estratégico del laboratorio de bioseguridad de nivel 3 (BSL-3) de la Escuela de Medicina de la Pontificia Universidad Católica de Chile” IP: M. López-Lastra.
2013-2015: Programa de Cooperación Internacional de CONICYT USA2013-0005. “The atlas of the HIV-1 genomic messenger ribonucleoprotein (mRNP) complex”. Co-IP: M. López-Lastra.
2012-2014: FONDEF-IDEAS (CA12i10296). “Investigación y desarrollo de herramientas bioinformáticas para el diseño costo‐efectivo de biosensores y biointerruptores moleculares”. Director: F. Melo, Alternative Director: M. López Lastra.
2012-2015: ECOS/CONICYT C11 S01. Characterization of cellular factors involved in HIV-1 and HIV-2 genomic RNA translational control. IP: M. López-Lastra.
2010-2015. NIH/International Collaborations in Infectious Disease Research (ICIDR)/Fogarty (2U01AI045452-11). Andes virus transmission and pathogenesis in Chile. Role: Co-IP: M. López-Lastra.
2010-2013. Programa de Cooperación Científica Internacional CONICYT-CNRS. “Molecular mechanism ruling HIV and HCV translation initiation”. Role: IP: M. López-Lastra.
Publicaciones relevantes:
Ramos H, Monette A, Niu M, Barrera A, López-Ulloa B, Fuentes Y, Guizar P, Pino K, DesGroseillers L, Mouland AJ, López-Lastra M. The double-stranded RNA-binding protein, Staufen1, is an IRES-transacting factor regulating HIV-1 cap-independent translation initiation. Nucleic Acids Res. 2022 Jan 11;50(1):411-429. doi: 10.1093/nar/gkab1188. Erratum in: Nucleic Acids Res. 2021 Dec 15;: PMID: 34893869; PMCID: PMC8754648.
Fernández-García L, Angulo J, Ramos H, Barrera A, Pino K, Vera-Otarola J, López-Lastra M. The internal ribosome entry site of the Dengue virus mRNA is active when cap-dependent translation initiation is inhibited. J Virol. 2020 Dec 9;95(5):e01998-20. doi: 10.1128/JVI.01998-20. Epub ahead of print. PMID: 33298544; PMCID: PMC8092825.
Vera-Otarola J, Castillo-Vargas E, Angulo J, Barriga FM, Batlle E, Lopez-Lastra M. The viral nucleocapsid protein and the human RNA-binding protein Mex3A promote translation of the Andes orthohantavirus small mRNA. PLoS Pathog. 2021 Sep 21;17(9):e1009931. doi: 10.1371/journal.ppat.1009931. PMID: 34547046; PMCID: PMC8454973.
Publicaciones:
· Angulo-Troncoso, J.A., Ulryck, N., Deforges, J., Chamond, N., Lopez-Lastra, M., Masquida, B., and Sargueil, B. 2015. LOOP IIId of HCV IRES triggers the structural rearrangement of the 40S-IRES complex. Nucleic Acid Research (Accepted).
· Morales, M., Flores, C., Pino, K., Angulo, J., Lopez-Lastra, M., and Castro-Rodriguez, J.A. 2015. Urinary leukotriene and Bcl I polymorphism of glucocorticoid receptor gene in preschoolers with recurrent wheezing and high risk of asthma. Allergol Immunopathol (Madr) (Accepted)
· Angulo, J., Pino, K., Echeverria-Chagas, N., Marco, C., Martinez-Valdebenito, C., Galeno, H., Villagra, E., Vera, L., Lagos, N., Becerra, N., Mora J, Bermudez A, Carcamo M, Diaz J, Miquel JF, Ferres M, Lopez-Lastra M*. 2015. Association of Single-Nucleotide Polymorphisms in IL28B, but Not TNF-alpha, With Severity of Disease Caused by Andes Virus. Clin Infect Dis 61:e62-69.
· Einisman, H., Reyes, M.L., Angulo, J., Cerda, J., Lopez-Lastra, M., and Castro-Rodriguez, J.A. 2015. Vitamin D levels and vitamin D receptor gene polymorphisms in asthmatic children: a case-control study. Pediatr Allergy Immunol 26:545-550.
· Olivares, E., Landry, D.M., Caceres, C.J., Pino, K., Rossi, F., Navarrete, C., Huidobro-Toro, J.P., Thompson, S.R., and Lopez-Lastra, M*. 2014. The 5′ untranslated region of the human T-cell lymphotropic virus type 1 mRNA enables cap-independent translation initiation. J Virol 88:5936-5955.
· Ohlmann, T*., Mengardi, C. and López-Lastra, M*. 2014. Translation initiation of the HIV-1 mRNA. Translation, 2:2, e960242.
· Valiente-Echeverria, F., Vallejos, M., Monette, A., Pino, K., Letelier, A., Huidobro-Toro, J.P., Mouland, A.J., and Lopez-Lastra, M*. 2013. A cis-acting element present within the Gag open reading frame negatively impacts on the activity of the HIV-1 IRES. PLoS One 8:e56962.
· Monette, A., Valiente-Echeverria, F., Rivero, M., Cohen, E.A., Lopez-Lastra, M.*, and Mouland, A.J.* 2013. Dual mechanisms of translation initiation of the full-length HIV-1 mRNA contribute to gag synthesis. PLoS One 8:e68108.
· de Breyne, S., Soto-Rifo, R., Lopez-Lastra, M., and Ohlmann, T. 2013. Translation initiation is driven by different mechanisms on the HIV-1 and HIV-2 genomic RNAs. Virus Res 171:366-381.
10.Angulo, J., Pino, K., Pavez, C., Biel, F., Labbe, P., Miquel, J.F., Soza, A., and Lopez-Lastra, M*. 2013. Genetic variations in host IL28B links to the detection of peripheral blood mononuclear cells-associated hepatitis C virus RNA in chronically infected patients. J Viral Hepat 20:263-272.
· Vera-Otarola, J., Solis, L., Soto-Rifo, R., Ricci, E.P., Pino, K., Tischler, N.D., Ohlmann, T., Darlix, J.L., and Lopez-Lastra, M*. 2012. The Andes hantavirus NSs protein is expressed from the viral small mRNA by a leaky scanning mechanism. J Virol 86:2176-2187.
· Vallejos, M., Carvajal, F., Pino, K., Navarrete, C., Ferres, M., Huidobro-Toro, J.P., Sargueil, B., and Lopez-Lastra, M*. 2012. Functional and structural analysis of the internal ribosome entry site present in the mRNA of natural variants of the HIV-1. PLoS One 7:e35031.
· Vallejos, M., Deforges, J., Plank, T.D., Letelier, A., Ramdohr, P., Abraham, C.G., Valiente-Echeverria, F., Kieft, J.S., Sargueil, B., and Lopez-Lastra, M*. 2011. Activity of the human immunodeficiency virus type 1 cell cycle-dependent internal ribosomal entry site is modulated by IRES trans-acting factors. Nucleic Acids Res 39:6186-6200.
· Marsac, D., Garcia, S., Fournet, A., Aguirre, A., Pino, K., Ferres, M., Kalergis, A.M., Lopez-Lastra, M., and Veas, F. 2011. Infection of human monocyte-derived dendritic cells by ANDES Hantavirus enhances pro-inflammatory state, the secretion of active MMP-9 and indirectly enhances endothelial permeability. Virol J 8:223.
· Vera-Otarola, J., Soto-Rifo, R., Ricci, E.P., Ohlmann, T., Darlix, J.L., and Lopez-Lastra, M*. 2010. The 3’Untranslated Region of the ANDES Hantavirus Small mRNA functionally replaces the poly(A) tail and stimulates cap-dependent translation initiation from the viral mRNA. J Virol.
· Vallejos, M., Ramdohr, P., Valiente-Echeverria, F., Tapia, K., Rodriguez, F.E., Lowy, F., Huidobro-Toro, J.P., Dangerfield, J.A., and Lopez-Lastra, M*. 2010. The 5′-untranslated region of the mouse mammary tumor virus mRNA exhibits cap-independent translation initiation. Nucleic Acids Res 38:618-632.
· Lopez-Lastra, M*., Ramdohr, P., Letelier, A., Vallejos, M., Vera-Otarola, J., and Valiente-Echeverria, F. 2010. Translation initiation of viral mRNAs. Rev Med Virol 20:177-195.
Libros y patentes:
· R. Ivanyi-Nagy, Z. Makowska, M. Lopez Lastra, J-L Darlix. Overview on the properties and functions of the core proteins of Hepatitis C virus (HCV). Chapter in Advances in Medicine and Biology. Volume 9 (2010). Editor: Leon V. Berhardt Nova Science Publishers, Inc. 400 Oser Avenue, Suite 1600, Hauppauge, NY 11788. ISBN: 978-1-61728-604-9.
· Marcelo López y Alejandro Soza, Capitulo 14, Virus hepatitis C. en Virología Clinica, ISBN: 978-956-220-325-8. Editorial Mediterraneo, 2011Editors: L.F. Avendaño, M. Ferres, E. Spencer.
· Marcelo López, Capitulo 18, Virus de la inmunodeficiencia humana, en Virología Clinica, ISBN: 978-956-220-325-8. Editorial Mediterraneo, 2011Editors: L.F. Avendaño, M. Ferres, E. Spencer.
Links de interés: