Marcelo Andres Lopez Lastra
Profesor Titular
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Santiago, Chile
Virologia Molecular; Virus de RNA; Interaccion virus-hospedero; Mecanismos de iniciacion de la traduccion de mRNAs virales.
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Biochemist, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 1994
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Microbiology, UNIVERSIDAD DE CHILE. Chile, 1999
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Clinical Research, UNIVERSITE CLAUDE BERNARD LYON I. Francia, 1999
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Post-Doctoral Fellow Full Time
ECOLE NORMALE SUPERIEURE DE LYON
Unité de Virologie Humaine
Lyon, Francia
1999 - 2000
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Post-Doctoral Fellow Full Time
MCGILL UNIVERSITY
Medicine
Montreal, Canada
2000 - 2004
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Assistant Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Medicine
Santiago, Chile
2004 - 2010
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Associated Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Medicine
Santiago, Chile
2011 - 2018
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Full Professor Full Time
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE
Medicina
Santiago, Chile
2018 - A la fecha
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ANRS Post-Doctoral Fellow Full Time
Ecole Normal Superior de Lyon
Lyon, Francia
1999 - 2000
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Professor Full Time
Pontificia Universidad Catolica de Chile
Santiago, Chile
2004 - A la fecha
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CIHR Post-Doctoral Fellow Full Time
McGill University
Montreal, Canada
2000 - 2004
Training of Students:
a- Supervised Undergraduate theses or dissertations.
1- Alejandra Vásquez. Use of DNA shuffling as a tool to identify functional domains required for IRES activity. Biologist, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile.
Awarded June 2007.
2- Karla Tapia. Study of the 5'UTR of the MMTV retrovirus possible role in translation initiation. Biochemist. Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded
December 2008.
3- Cristian Holzmann. The function of the HIV-1 REV protein on translation initiation of the full-length viral mRNA. Biochemist. Facultad de Ciencias Biológicas, Pontificia Universidad Católica de
Chile. Awarded May 2009.
4- Pablo Rambohr. Development of an in vitro system to study HIV-1 IRES activity. Biochemist. Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded March 2010.
5- Matías Rivero. Study of the translation initiation mechanism of the full-length HIV-1 mRNA; characterization of a dual mechanism of initiation. Biochemist. Universidad de Chile. Awarded September
2011.
6- Carla del Barrio. Study of the putative Gag-IRES in the context of the full-length HIV-1 mRNA. Biologist, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded in June
2011.
7- Fernando Lowy. Characterization of the IRES activity present within the full-length mRNA of MMTV. Biochemist. Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded
April 2012.
8- Felipe Carvajal. Study of the HIV-1 IRES activity in mRNAs isolated from clinical samples. Biochemist. Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded
September 2012.
9- Federico Rossi. Study of cap-independent translation initiation of the full-length HIV-1 mRNA. Biologist, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded, July 4,
2012.
10- Carlos Joaquin Caceres. IRES activity as a target for the development of novel antiviral strategies. Biochemist, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded,
April 19, 2013.
11- Hade Ramos. Staufen-1 and snRNP70 play a role in HIV-1 IRES-mediated translation initiation. Biochemist, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile. Awarded,
September 3, 2020.
b- Supervised Medical Residence Thesis:
Patricio Astudillo. Correlation between IL28B genotype and the clinical severity of bronchiolitis in pediatric patients. Residency thesis in Pediatrics. Awarded, April 2018.
c- Supervised Master Thesis:
1- Constanza Pino. PTB is an ITAF for the MMTV-IRES. Biochemist/Master’s Degree. Awarded in September 2011. Facultad de Ciencias de la Salud. Universidad Andrés Bello.
2- Patricio Astudillo. Clinical phenotyping of viral bronchiolitis patients at hospitalization: clinical characteristics and associated outcomes. Master’s in medical research, School of Medicine, Pontificia
Universidad Católica de Chile. Awarded on October 12, 2022.
d- Supervised Graduate Thesis (Ph.D.):
1- Maria Inés Barría. "Study of the HCV IRES identifying novel targets for developing antiviral compounds". Doctor en Ciencias, mención Microbiología. Universidad de Chile. Awarded in November
2008. Current position: Professor Universidad San Sebastian, Puerto Montt, Chile.
2- Andrea Rivas-Aravena. "Study of the mechanism of translation initiation of the full-length HIV-1 mRNA; the role of cellular protein on IRES activity". Doctor en Biología mención Biología Molecular y
Celular. Pontificia Universidad Católica de Chile. Awarded in May 2009. Current position: Professor Universidad San Sebastian, Santiago, Chile.
3- Jorge Vera-Otarola. "Study of the mechanism of translation initiation of the small Andes virus mRNA". Doctor en Microbiología, Universidad de Santiago. Awarded in March 2010. Current position:
Research Associate, Applied Virology Unit, Pontificia Universidad Católica de Chile, Pontificia Universidad Catolica de Chile.
4- Fernando Valiente-Echeverría. "Regulation of the HIV-1 IRES by INS elements present within the Gag coding region". Doctor en Microbiología, Universidad de Santiago. Awarded in May 2010.
Current position: Professor Universidad de Chile, Santiago, Chile.
5- Maricarmen Vallejos García. "Structural and functional study of 5'UTR of the full-length HIV-1 mRNA". Doctor en Ciencias Médicas, Facultad de Medicina, Pontificia Universidad Católica de Chile.
Awarded in September 2011. Current position: Post-Doctoral fellow, Institut Curi, France.
6- Alejandro Letelier. "Identifying novel Cis-acting elements that modulate retroviral IRES activity". Doctorado en Ciencias Biológicas mención Genética Molecular y Microbiología, Pontificia
Universidad Católica de Chile. Awarded in October 2013.
7- Jenniffer Angulo. "Host-virus relationship in the context of an HCV infection". Awarded on May 13, 2014. Doctorado en Microbiología, Universidad de Santiago. Current position: Professor, School
of Medicine, Pontificia Universidad Catolica de Chile.
8- Eduardo Olivares. "Study of the mechanism of translation initiation driven by the 5'UTR of the HTLV-1 full-length mRNA". Doctorado en Microbiología, Universidad de Santiago. Awarded on April 1,
2015. Current position: Senior Oncology Medical Science Liaison (MSL), AstraZeneca Oncology and Immunotherapy Medical Science Liaison (MSL), AstraZeneca, Santiago, Chile.
9- Estefanía Castillo. "Study of the mechanism of translation initiation of the Small Andes virus mRNA". Doctorado en Ciencias Biológicas mención Genética Molecular y Microbiología, Pontificia
Universidad Católica de Chile. Awarded, 19-Agosto. 2015. Current Position: Oncology Medical Science Liaison, AstraZeneca.
10- Loretto Solis. "The Small RNA of ANDV encodes for the NSs protein; A possible role as an antagonist of Type I INF response". Doctorado en Ciencias, mención Microbiología. Universidad de Chile.
Awarded, 5-October, 2015.
11- Fernando Lowy. "ANDV NSs protein induces eIF2-alfa phosphorylation and stress granule formation". Doctorado en Ciencias Biológicas mención Genética Molecular y Microbiología, Pontificia
Universidad Católica de Chile. Awarded, October 26, 2016.
12- Carlos Joaquin Caceres. "Study of the mechanism of translation initiation of the HTLV-1 mRNAs encoding the HBZ proteins". Doctorado en Ciencias, mención Microbiología. Universidad de Chile.
Awarded, June 30, 2017. Current Position: Research Associate, University of Georgia, USA.
13- Natalia Contreras. "Implications of cellular proteins PTB, nucleolin, and hnRNP U on IRES-mediated translation initiation of retroviral mRNAs". Doctorado en Biología, mención Microbiología.
Universidad de Chile. Awarded, April 27, 2018. Current position: Professor Universidad Andres Bello, Santiago, Chile.
14- Felipe Carvajal. "RNA structures and their impact on translation initiation of the HIV-1 and ANDV mRNAs". Doctorado en Ciencias Biológicas mención Genética Molecular y Microbiología, Pontificia
Universidad Católica de Chile. Awarded, March 28, 2019. Post-Doctoral Fellow.
15- Valeria Olguín. "The heterogeneous ribonuclear protein K (hnRNP K) is an IRES trans-acting factor for the HIV-1, HTLV-1, and MMTV internal ribosome entry sites". Doctorado en Ciencias
Médicas, Facultad de Medicina, Pontificia Universidad Católica de Chile. Awarded, January 15, 2020. Current position: Research Associate, Universidad del Desarrollo, Santiago, Chile.
16- Leandro Fernández. "Characterization of Dengue virus mRNA IRES-dependent translation initiation; the role of PTB as an ITAF". Doctorado en Ciencias, mención Microbiología. Universidad de
Chile. Awarded, August 31, 2020. Current position: Research Associate, University of Virginia
17- Aldo Barrera. "Post-translational modifications of IRES trans-acting factors hnRNP A1 and HuR impact on the activity of retroviral IRESs". Doctorado en Ciencias Biológicas mención Genética
Molecular y Microbiología, Pontificia Universidad Católica de Chile. Awarded, November 4, 2020. Current position: Post-Doctoral Fellow, School of Medicine, Pontificia Universidad Catolica de Chil.
18- Fabian Díaz. "Development of recombinant BCG vaccines targeting Andes orthohantaviruses and Respiratory syncytial virus: Evaluation on murine and bovine models. Doctorado en Ciencias
Biológicas mención Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile. Awarded, August 3, 2021. Co-Tutor together with Dr. Alexis Kalergis.
19- Yazmin Fuentes. "HnRNPK post-translational modifications regulate HIV-1 IRES activity". Doctorado en Microbiología, Universidad de Santiago. Awarded, May 12, 2023. Postdoctoral fellow
Universidad de Concepción.
20- Brenda López-Ulloa. “HnRNPA1 and HuR differentially modulate cap-independent translation initiation from the HTLV-1 IRES and the sHBZ IRES”. Doctorado en Ciencias Biológicas mención
Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile. Awarded, October 10, 2023. Current position: Professor, Universidad Politécnica Salesiana, UPS, Grupo de
Investigación en Aplicaciones Biotecnologicas, GIAB, Carrera de Biotecnología,
21- Dafne Mendonca (in progress). Doctorado en Ciencias Médicas, Facultad de Medicina, Pontificia Universidad Católica de Chile.
22- Patricio Astudillo (in progress). Doctorado en Ciencias Médicas, Facultad de Medicina, Pontificia Universidad Católica de Chile.
e- Post-Doctoral trainees:
1- Dr. Delphine Marsac. "Ex vivo infection of human dendritic cells (DCs) with Andes Hantavirus: Effect on the production of cytokines and matrix metalloproteases by DCs" FONDECYT-
POSTDOCTORADO-2008–3085029 (November 2007-November 2010).
2- Dr. Maricarmen Vallejos García. "Translational control of HIV-1 gene expression", IMII-Post-Doctoral fellow (September 2011-March 2013).
3- Dr. Julio Cartagena "Characterization of cytoplasmic granules associated with the expression of the ANDV NSs protein". IMII-post-doctoral fellow (March 2012-April 2013).
4- Dr. Jenniffer Angulo. "Mechanism of translation initiation on the ANDV SmRNA; selection of the initiation codon". ACT 1408 Post-Doctoral Fellow (November 2016-November 2018).
5- Dr. Barbara Rojas "Evaluation of the impact of lncRNAs on retroviral IRES function" (April 2023-April 2024).
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Abraham Stekel fellowship
UNIVERSIDAD DE CHILE
Chile, 1993
Talented young scientist award granted by Nestle International Corporation and Universidad de Chile (INTA)
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Abraham Stekel fellowship
INTA
Chile, 1994
Talented young scientist award granted by Nestle International Corporation and Universidad de Chile (INTA)
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Abraham Stekel fellowship
UNIVERSIDAD DE CHILE
Chile, 1995
Talented young scientist award granted by Nestle International Corporation and Universidad de Chile (INTA)
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Doctoral Fellowship
COMISION NACIONAL DE INVESTIGACION CIENTIFICA Y TECNOLOGICA
Chile, 1995
CONICYT Doctoral fellowship
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Rhone-Alpes Doctoral Fellowship
Rhone-Alpes
Francia, 1996
Fellowship given by the Rhone-Aples region. Lyon, France.
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Post-Doctoral followship
Agence national de recherches sur le Sida
Francia, 1999
Post-Doctoral fellowship granted by the Frence Agence national de recherches sur le Sida.
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Post-Doctoral Fellowship
Canadian Institutes of Health Research
Canada, 2001
Canadian Institutes of Health Research (CIHR) Post-Doctoral fellowship (#MFE–47704), Canada [Ranked 11th from 350 total applicants].
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Visiting Professor
FIOCRUZ Institute at Rio de Janeiro
Brasil, 2013
Visisting Professor at the Fiocruz Institute at Rio de Janairo, Brasil.
Virus de la inmunodeficiencia humana |
Virus Hepatitis C |
EGULATING THE REGULATORS; THE IMPACT OF IRES-TRANSACTING FACTORS AND THEIR POST-TRANSLATIONAL MODIFICATIONS ON RETROVIRAL-IRES ACTIVITY. |
Hepatitis B virus (HBV) infection in Haitian immigrants in Chile=> Determination of HBV genotypes, viral escape mutants and host factors influencing response to vaccination. |
Laboratoire International Associé/CNRS International Associated Laboratory |
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 |
Understanding the role of the DEAD-box helicase DDX3 in viral and cellular messenger RNA metabolism. |
Patogeneis Molecular de Virus Emergentes. |
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 |
Hepatitis C virus exploits the hepatic lipid pathways=> Role of NPC1L1 in HCV infection |
Laboratoire International Associé/CNRS International Associated Laboratory |
Study of the mechanism of translation initiation of retroviral mRNAs; the role of cellular proteins and RNA structure |
The atlas of the HIV-1 genomic messenger ribonucleoprotein (mRNP) complex |
Characterization of cellular factors involved in HIV-1 and HIV-2 genomic RNA translational control |
Investigación y desarrollo de herramientas bioinformáticas para el diseño costo‐efectivo de biosensores y biointerruptores moleculares |
Andes virus transmission and pathogenesis in Chile. |
Institito de Inmunologia e Inmunoterapia |
Characterization and inhibition of the Gc multistep fusion mechanism used by Hantavirases to infect target cells |
Molecular mechanism ruling HIV and HCV translation initiation |
Núcleo Milenio de Inmunología e Inmunoterapia |
Translation of the HIV-1 full length mRNA is regulated by cellular proteins that modulate the shift from cap-dependent to an IRES-dependent mode of initiation=> unveiling the basis of HIV-1 mRNA translational control |
Rol de la replicación extrahepática del virus de hepatitis C en la predicción de la respuesta a la terapia antiviral |
IDENTIFICACION DE LAS PROTEINAS Y LOS ELEMENTOS CIS QUE PARTICIPAN EN LA REGULACION DE LA INICIACION DE LA TRADUCCION DEPENDIENTE DE SITIO INTERNO DE ENTRADA DE RIBOSOMAS (IRES) DEL VIRUS DE LA INMUNODEFICIENCIA HUMANA |
CAPTURE AND ENRICHMENT OF EMERGING PATHOGENS FOR MULTIPLE AND ULTRA-SENSITIVE DIAGNOSTIC (USDEP) |
Development of lead compounds as fusion inhibitors for Dengue virus. |
Human immunodeficiency virus type 1 (HIV-1) internal ribosome entry segment (IRES); Identification of trans-acting factors and cis-acting elements involved in IRES function |
Investigating and Targeting the mechanism of HIV-1 protein synthesis. |
Recherches sur le plans diagnostic et physiopathologique chez les Virus Emergents |
Rol de la replicación extra-hepática del virus de la hepatitis C en la expresión clinica e historia natural de la enfermedad |
Translation initiation of viral mRNAs |
Translational control of retroviruses |
Hepatitis C en Chile: Magnitud del problema |