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Journal Articles

Cutting Edge: Quantitative Determination of CD40L Threshold for IL-12 and IL-23 Production from Dendritic Cells

Kaveh Abdi, Karen Laky, Kartika Padhan, Constantinos Petrovas, Jeff Skinner, Juraj Kabat, David W. Dorward, Joseph Brzostowski, Eric O. Long, Giorgio Trinchieri, Rajat Varma
Journal: The Journal of Immunology
J Immunol (2018) 201 (10): 2879–2884.
https://doi.org/10.4049/jimmunol.1800721
Published: 15 November 2018
View article titled, Cutting Edge: Quantitative Determination of CD40L Threshold for IL-12 and IL-23 Production from Dendritic Cells
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Includes: Multimedia, Supplementary data
Journal Articles

Quantitative Multiplexed Imaging Analysis Reveals a Strong Association between Immunogen-Specific B Cell Responses and Tonsillar Germinal Center Immune Dynamics in Children after Influenza Vaccination

Donato Amodio, Nicola Cotugno, Giulia Macchiarulo, Salvatore Rocca, Yiannis Dimopoulos, Maria Rita Castrucci, Rita De Vito, Filippo M. Tucci, Adrian B. McDermott, Sandeep Narpala, Paolo Rossi, Richard A. Koup, Paolo Palma, Constantinos Petrovas
Journal: The Journal of Immunology
J Immunol (2018) 200 (2): 538–550.
https://doi.org/10.4049/jimmunol.1701312
Published: 15 January 2018
View article titled, Quantitative Multiplexed Imaging Analysis Reveals a Strong Association between Immunogen-Specific B Cell Responses and Tonsillar Germinal Center Immune Dynamics in Children after Influenza Vaccination
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Includes: Supplementary data
Journal Articles

Infection with non-CD4 tropic variant of SIVmac239 accelerates the formation of mature germinal center reactions and elicits antigen specific B cell responses

Yiannis Petros Dimopoulos, Kartika Padhan, Eirini Moysi, Adrienne Swanstrom, Jeffrey D Lifson, Celia LaBranche, Robert Blaire, Pyone Aye, Faith Schiro, Andrew Lackner, Richard Koup, Constantinos Petrovas, Jim Hoxie
Journal: The Journal of Immunology
J Immunol (2017) 198 (1_Supplement): 122.9.
https://doi.org/10.4049/jimmunol.198.Supp.122.9
Published: 01 May 2017
View article titled, Infection with non-CD4 tropic variant of SIVmac239 accelerates the formation of mature germinal center reactions and elicits antigen specific B cell responses
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Journal Articles

Germinal Center Immune Dynamics in Secondary Lymphoid Organs after Influenza Vaccination in Children

Constantinos Petrovas, Donato Amodio, Giulia Macchiarulo, Salvatore Rocca, Nicola Cotugno, Paolo Rossi, Richard Koup, Paolo Palma
Journal: The Journal of Immunology
J Immunol (2017) 198 (1_Supplement): 125.17.
https://doi.org/10.4049/jimmunol.198.Supp.125.17
Published: 01 May 2017
View article titled, Germinal Center Immune Dynamics in Secondary Lymphoid Organs after Influenza Vaccination in Children
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Journal Articles

Reversible Reprogramming of Circulating Memory T Follicular Helper Cell Function during Chronic HIV Infection

Rafael Cubas, Julien van Grevenynghe, Saintedym Wills, Lela Kardava, Brian H. Santich, Clarisa M. Buckner, Roshell Muir, Virginie Tardif, Carmen Nichols, Francesco Procopio, Zhong He, Talibah Metcalf, Khader Ghneim, Michela Locci, Petronella Ancuta, Jean-Pierre Routy, Lydie Trautmann, Yuxing Li, Adrian B. McDermott, Rick A. Koup, Constantinos Petrovas, Steven A. Migueles, Mark Connors, Georgia D. Tomaras, Susan Moir, Shane Crotty, Elias K. Haddad
Journal: The Journal of Immunology
J Immunol (2015) 195 (12): 5625–5636.
https://doi.org/10.4049/jimmunol.1501524
Published: 15 December 2015
View article titled, Reversible Reprogramming of Circulating Memory T Follicular Helper Cell Function during Chronic HIV Infection
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Includes: Supplementary data
Journal Articles

Activated PD-1highCD127highCD27highCD45RAlowCD4 T cell phenotype is associated with increased susceptibility to HIV infection rather than exhaustion. (HUM8P.339)

Constantinos Petrovas, Robert Paris, Richard Koup
Journal: The Journal of Immunology
J Immunol (2014) 192 (1_Supplement): 185.14.
https://doi.org/10.4049/jimmunol.192.Supp.185.14
Published: 01 May 2014
View article titled, Activated PD-1highCD127highCD27highCD45RAlowCD4 T cell phenotype is associated with increased susceptibility to HIV infection rather than exhaustion. (HUM8P.339)
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Journal Articles

Type I IFN Induced by Adenovirus Serotypes 28 and 35 Has Multiple Effects on T Cell Immunogenicity

Matthew J. Johnson, Constantinos Petrovas, Takuya Yamamoto, Ross W. B. Lindsay, Karin Loré, Jason G. D. Gall, Emma Gostick, François Lefebvre, Mark J. Cameron, David A. Price, Elias Haddad, Rafick-Pierre Sekaly, Robert A. Seder, Richard A. Koup
Journal: The Journal of Immunology
J Immunol (2012) 188 (12): 6109–6118.
https://doi.org/10.4049/jimmunol.1103717
Published: 15 June 2012
View article titled, Type I IFN Induced by Adenovirus Serotypes 28 and 35 Has Multiple Effects on T Cell Immunogenicity
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Includes: Supplementary data
Journal Articles

Increased immune activation during chronic SIV infection drives the TFH dynamics. (105.33)

Constantinos Petrovas, Takuya Yamamoto, Michael Gerner, Kristin Boswell, Mario Roederer, Robert Seder, Ronald Germain, Elias Haddas, Richard Koup
Journal: The Journal of Immunology
J Immunol (2012) 188 (1_Supplement): 105.33.
https://doi.org/10.4049/jimmunol.188.Supp.105.33
Published: 01 May 2012
View article titled, Increased immune activation during chronic SIV infection drives the T<sub>FH</sub> dynamics. (105.33)
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Journal Articles

Differential Association of Programmed Death-1 and CD57 with Ex Vivo Survival of CD8+ T Cells in HIV Infection

Constantinos Petrovas, Benjamin Chaon, David R. Ambrozak, David A. Price, J. Joseph Melenhorst, Brenna J. Hill, Christof Geldmacher, Joseph P. Casazza, Pratip K. Chattopadhyay, Mario Roederer, Daniel C. Douek, Yvonne M. Mueller, Jeffrey M. Jacobson, Viraj Kulkarni, Barbara K. Felber, George N. Pavlakis, Peter D. Katsikis, Richard A. Koup
Journal: The Journal of Immunology
J Immunol (2009) 183 (2): 1120–1132.
https://doi.org/10.4049/jimmunol.0900182
Published: 15 July 2009
View article titled, Differential Association of Programmed Death-1 and CD57 with Ex Vivo Survival of CD8<sup>+</sup> T Cells in HIV Infection
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Includes: Supplementary data
Journal Articles

Immune Activation Driven by CTLA-4 Blockade Augments Viral Replication at Mucosal Sites in Simian Immunodeficiency Virus Infection

Valentina Cecchinato, Elzbieta Tryniszewska, Zhong Min Ma, Monica Vaccari, Adriano Boasso, Wen-Po Tsai, Constantinos Petrovas, Dietmar Fuchs, Jean-Michel Heraud, David Venzon, Gene M. Shearer, Richard A. Koup, Israel Lowy, Christopher J. Miller, Genoveffa Franchini
Journal: The Journal of Immunology
J Immunol (2008) 180 (8): 5439–5447.
https://doi.org/10.4049/jimmunol.180.8.5439
Published: 15 April 2008
View article titled, Immune Activation Driven by CTLA-4 Blockade Augments Viral Replication at Mucosal Sites in Simian Immunodeficiency Virus Infection
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Journal Articles

Late Signals from CD27 Prevent Fas-Dependent Apoptosis of Primary CD8+ T Cells

Douglas V. Dolfi, Alina C. Boesteanu, Constantinos Petrovas, Dong Xia, Eric A. Butz, Peter D. Katsikis
Journal: The Journal of Immunology
J Immunol (2008) 180 (5): 2912–2921.
https://doi.org/10.4049/jimmunol.180.5.2912
Published: 01 March 2008
View article titled, Late Signals from CD27 Prevent Fas-Dependent Apoptosis of Primary CD8<sup>+</sup> T Cells
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Journal Articles

HIV-Specific CD8+ T Cells Exhibit Markedly Reduced Levels of Bcl-2 and Bcl-xL

Constantinos Petrovas, Yvonne M. Mueller, Ioannis D. Dimitriou, Paul M. Bojczuk, Karam C. Mounzer, James Witek, John D. Altman, Peter D. Katsikis
Journal: The Journal of Immunology
J Immunol (2004) 172 (7): 4444–4453.
https://doi.org/10.4049/jimmunol.172.7.4444
Published: 01 April 2004
View article titled, HIV-Specific CD8<sup>+</sup> T Cells Exhibit Markedly Reduced Levels of Bcl-2 and Bcl-x<sub>L</sub>
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