Integrated phenotyping of the anti-cancer immune response in HIV-associated hepatocellular carcinoma

Autor: David J. Pinato, Takahiro Kaneko, Antonio D’Alessio, Alejandro Forner, Petros Fessas, Beatriz Minguez, Edoardo G. Giannini, Federica Grillo, Alba Díaz, Francesco A. Mauri, Claudia A.M. Fulgenzi, Alessia Dalla Pria, Robert D. Goldin, Giulia Pieri, Pierluigi Toniutto, Claudio Avellini, Maria Corina Plaz Torres, Ayse U. Akarca, Teresa Marafioti, Sherrie Bhoori, Jose María Miró, Mark Bower, Norbert Bräu, Vincenzo Mazzaferro
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: JHEP Reports, Vol 5, Iss 7, Pp 100741- (2023)
Druh dokumentu: article
ISSN: 2589-5559
DOI: 10.1016/j.jhepr.2023.100741
Popis: Background & Aims: HIV-seropositivity shortens survival in patients with hepatocellular carcinoma (HCC). Although risk factors for HCC including HCV infection can influence T cell phenotype, it is unknown whether HIV can influence functional characteristics of the T cell infiltrate. Methods: From the Liver Cancer in HIV biorepository, we derived 129 samples of transplanted (76%) or resected (20%) HCC in eight European and North American centres. We profiled intra- and peritumoural tissue to evaluate regulatory CD4+/FOXP3+ and immune-exhausted CD8+/PD1+ T cells in HIV+ (n = 66) and HIV- (n = 63) samples. We performed targeted transcriptomics and T-cell receptor sequencing in a restricted subset of samples evaluated in relationship with HIV status. We correlated immunopathologic features with patients’ characteristics including markers of HIV infection. Results: Of the 66 HIV+ patients, 83% were HCV coinfected with an undetectable HIV viral load (51%) and a median blood CD4+ cell count of 430 cells/mm3 (range 15–908). Patients who were HIV+ were compared with HIV- controls with similar staging characteristics including Barcelona Clinic Liver Cancer (BCLC) stage A–B (86% vs. 83%, p = 0.16),
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