• M Boccard, C Albert-Vega, W Mouton, I Durieu, K Brengel-Pesce, F Venet, S Trouillet-Assant, and F Ader.
• Centre International de Recherche en Infectiologie (CIRI), Inserm 1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, École Normale Supérieure de Lyon, Univ Lyon, F-69007, Lyon, France; Département de médecine interne et vasculaire, centre hospitalier Lyon Sud, Hospices civils de Lyon, 69310 Pierre-Bénite, France; Unité mixte Hospices civils de Lyon-bioMérieux, centre hospitalier Lyon Sud, Hospices civils de Lyon, Pierre-Bénite, 69495 Lyon, France. Electronic address: mathilde.boccard@chu-lyon.fr.
• Rev Med Interne. 2020 Aug 1; 41 (8): 545-551.

AbstractThe holistic approach of the human immune system is based on the study of its components collectively driving a functional response to an immunogenic stimulus. To appreciate a specific immune dysfunction, a condition is mimicked ex vivo and the immune response induced is assessed. The application field of such assays are broad and expanding, from the diagnosis of primary and secondary immunodeficiencies, immunotherapy for cancer to the management of patients at-risk for infections and vaccination. These assays are immune monitoring tools that may contribute to a personalised and precision medicine. The purpose of this review is to describe immune functional assays available in the setting of non-HIV acquired immune deficiency. First, we will address the use of theses assays in the diagnosis of opportunistic infections such as viral reactivation. Secondly, we will report the usefulness of these assays to assess vaccine efficacy and to manage immunosuppressive therapies.Copyright © 2020. Published by Elsevier Masson SAS.

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