T cell responses during HBV and HCV infections: similar but not quite the same?

NH Shoukry, CM Walker - Current opinion in virology, 2021 - Elsevier
The hepatitis B and C viruses persist by evasion of T cell immunity. Persistence depends
upon premature failure of CD4+ T cell help and loss of CD8+ T cell control because of …

The CD8+ T cell exhaustion mechanisms in chronic hepatitis B infection and immunotherapeutic strategies: a systematic review

E Allahmoradi, R Mohammadi… - Expert Review of …, 2023 - Taylor & Francis
Introduction The hepatitis B virus (HBV) continues to be a leading cause of morbidity and
mortality worldwide. In developing countries, HBV is the most common etiology of those liver …

[HTML][HTML] Functional exhaustion of HBV-specific CD8 T cells impedes PD-L1 blockade efficacy in chronic HBV infection

S Ferrando-Martinez, A Snell Bennett, E Lino… - Frontiers in …, 2021 - frontiersin.org
Background A functional cure for chronic HBV could be achieved by boosting HBV-specific
immunity. In vitro studies show that immunotherapy could be an effective strategy. However …

[HTML][HTML] Preferential expression of programmed death ligand 1 protein in tumor-associated macrophages and its potential role in immunotherapy for hepatocellular …

DJ Park, PS Sung, GW Lee, SW Cho, SM Kim… - International Journal of …, 2021 - mdpi.com
A predictive biomarker of immune checkpoint inhibitor (ICI)-based treatments in
hepatocellular carcinoma (HCC) has not been clearly demonstrated. In this study, we …

[HTML][HTML] LAG3+ erythroid progenitor cells inhibit HBsAg seroclearance during finite pegylated interferon treatment through LAG3 and TGF-β

XQ Pang, X Li, WH Zhu, RK Huang, Z Mo, ZX Huang… - Antiviral Research, 2023 - Elsevier
HBsAg seroclearance, the ideal aim of anti-hepatitis B virus (HBV) treatment, cannot be
achieved easily. Anemia is another common issue for chronic hepatitis B (CHB) patients …

[HTML][HTML] PD-L1 upregulation by IFN-α/γ-mediated Stat1 suppresses anti-HBV T cell response

LL Liu, J Hou, Y Xu, L Qin, W Liu, H Zhang, Y Li… - PLoS …, 2020 - journals.plos.org
Programmed death ligand 1 (PD-L1) has been recently shown to be a major obstacle to
antiviral immunity by binding to its receptor programmed death 1 (PD-1) on specific IFN-γ …

Role of biomarkers in guiding cure of viral hepatitis B

M Buti, M Riveiro-Barciela… - Seminars in liver …, 2020 - thieme-connect.com
Chronic hepatitis B (CHB) virus infection is a global public health threat affecting
approximately 257 million individuals worldwide. Hepatitis B surface antigen (HBsAg) loss …

[HTML][HTML] Optimized ex vivo stimulation identifies multi-functional HBV-specific T cells in a majority of chronic hepatitis B patients

CG Chua, A Mehrotra, T Mazzulli, DK Wong, JJ Feld… - Scientific Reports, 2020 - nature.com
High antigen burden during chronic hepatitis B (CHB) results in a low frequency HBV-
specific T cell response with restricted functionality. However, this observation is based on …

[HTML][HTML] Identification of antibodies cross-reactive with woodchuck immune cells and activation of virus-specific and global cytotoxic T cell responses by anti-PD-1 and …

CP Corkum, LL Wiede, CLA Ruble, J Qiu… - Frontiers in …, 2022 - frontiersin.org
Woodchuck (Marmota monax) infected with woodchuck hepatitis virus (WHV) is the most
pathogenically compatible naturally occurring model of human hepatitis B virus (HBV) …

[HTML][HTML] Routine evaluation of HBV-specific T cell reactivity in chronic hepatitis B using a broad-spectrum T-cell epitope peptide library and ELISpot assay

Y Wu, X Liu, Y Mao, R Ji, L Xia, Z Zhou, Y Ding… - Journal of Translational …, 2024 - Springer
Background The clinical routine test of HBV-specific T cell reactivity is still limited due to the
high polymorphisms of human leukocyte antigens (HLA) in patient cohort and the lack of …