Benhamouda Nadine, Besbes Anissa, Bauer Rebecca, Mabrouk Nesrine, Gadouas Gauthier, Desaint Corinne, Chevrier Lucie, Lefebvre Maeva, Radenne Anne, Roelens Marie, Parfait Béatrice, Weiskopf Daniela, Sette Alessandro, Gruel Nadège, Courbebaisse Marie, Appay Victor, Paul Stephane, Gorochov Guy, Ropers Jacques, Lebbah Said, Lelievre Jean-Daniel, Johannes Ludger, Ulmer Jonathan, Lebeaux David, Friedlander Gerard, De Lamballerie Xavier, Ravel Patrice, Kieny Marie Paule, Batteux Fréderic, Durier Christine, Launay Odile, Tartour Eric
Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France.
Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France.
iScience. 2024 Jul 2;27(8):110441. doi: 10.1016/j.isci.2024.110441. eCollection 2024 Aug 16.
Coordinating immune responses - humoral and cellular - is vital for protection against severe Covid-19. Our study evaluates a multicytokine CD4T cell signature's predictive for post-vaccinal serological and CD8T cell responses. A cytokine signature composed of four cytokines (IL-2, TNF-α, IP10, IL-9) excluding IFN-γ, and generated through machine learning, effectively predicted the CD8T cell response following mRNA-1273 or BNT162b2 vaccine administration. Its applicability extends to murine vaccination models, encompassing diverse immunization routes (such as intranasal) and vaccine platforms (including adjuvanted proteins). Notably, we found correlation between CD4T lymphocyte-produced IL-21 and the humoral response. Consequently, we propose a test that offers a rapid overview of integrated immune responses. This approach holds particular relevance for scenarios involving immunocompromised patients because they often have low cell counts (lymphopenia) or pandemics. This study also underscores the pivotal role of CD4T cells during a vaccine response and highlights their value in vaccine immunomonitoring.
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