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Tortellini, Eeva; Zingaropoli, Maria Antonella; Mancarella, Giulia; Marocco, Raffaella; Carraro, Anna; Jamhour, Meriem; Barbato, Christian; Guardiani, Mariasilvia; Dominelli, Federica; Pasculli, Patrizia; Napoli, Anna; Gaeta, Aurelia; Mengoni, Fabio; Zuccalà, Paola; Belvisi, Valeria; Kertusha, Blerta; Parente, Alberico; Del Borgo, Cosmo; Vullo, Vincenzo; Ciardi, Maria Rosa; Mastroianni, Claudio Maria; Lichtner, Miriam; Latina Covid-Group
International journal of molecular sciences, 11/2022, Letnik: 23, Številka: 23Journal Article
We investigated specific humoral and T-cell responses in people living with HIV (PLWH) before (T0), after two (T1) and after six months (T2) from the third dose of the BNT162b2 vaccine. Healthy donors (HD) were enrolled. The specific humoral response was present in most PLWH already after the second dose, but the third dose increased both the rate of response and its magnitude. Collectively, no significant differences were found in the percentage of responding T-cells between PLWH and HD. At T0, stratifying PLWH according to CD4 cell count, a lower percentage of responding T-cells in <200 cells/µL subgroup compared to >200 cells/µL one was observed. At T1, this parameter was comparable between the two subgroups, and the same result was found at T2. However, the pattern of co-expression of IFNγ, IL2 and TNFα in PLWH was characterized by a higher expression of TNFα, independently of CD4 cell count, indicating a persistent immunological signature despite successful ART. mRNA vaccination elicited a specific response in most PLWH, although the cellular one seems qualitatively inferior compared to HD. Therefore, an understanding of the T-cell quality dynamic is needed to determine the best vaccination strategy and, in general, the capability of immune response in ART-treated PLWH.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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