Immune checkpoint inhibitors as potential therapy for reverting T-cell exhaustion and reverting HIV latency in people living with HIV

JM Benito, C Restrepo, J García-Foncillas… - Frontiers in …, 2023 - frontiersin.org
The immune system of people living with HIV (PLWH) is persistently exposed to antigens
leading to systemic inflammation despite combination antiretroviral treatment (cART). This …

Spatial technologies to evaluate the HIV-1 reservoir and its microenvironment in the lymph node

F Zaman, ML Smith, A Balagopal, CM Durand… - Mbio, 2024 - journals.asm.org
The presence of the HIV-1 reservoir, a group of immune cells that contain intact, integrated,
and replication-competent proviruses, is a major challenge to cure HIV-1. HIV-1 reservoir …

Soluble immune checkpoints as correlates for HIV persistence and T cell function in people with HIV on antiretroviral therapy

CY Chiu, MD Schou, JH McMahon, SG Deeks… - Frontiers in …, 2023 - frontiersin.org
Introduction In people with HIV (PWH) both off and on antiretroviral therapy (ART), the
expression of immune checkpoint (IC) proteins is elevated on the surface of total and HIV …

[HTML][HTML] Intact proviruses are enriched in the colon and associated with PD-1+ TIGIT− mucosal CD4+ T cells of people with HIV-1 on antiretroviral therapy

C Vellas, M Nayrac, N Collercandy, M Requena… - …, 2024 - thelancet.com
Background The persistence of intact replication-competent HIV-1 proviruses is responsible
for the virological rebound off treatment. The gut could be a major reservoir of HIV-1 due to …

Immune checkpoint inhibitors in infectious disease

HAD King, SR Lewin - Immunological Reviews, 2024 - Wiley Online Library
Following success in cancer immunotherapy, immune checkpoint blockade is emerging as
an exciting potential treatment for some infectious diseases, specifically two chronic viral …

[HTML][HTML] CD4+ T cells with latent HIV-1 have reduced proliferative responses to T cell receptor stimulation

JT Kufera, C Armstrong, F Wu, A Singhal… - Journal of Experimental …, 2024 - rupress.org
The latent reservoir for HIV-1 in resting CD4+ T cells persists despite antiretroviral therapy
as a barrier to cure. The antigendriven proliferation of infected cells is a major mechanism of …

Unequal distribution of genetically-intact HIV-1 proviruses in cells expressing the immune checkpoint markers PD-1 and/or CTLA-4

K Fisher, TE Schlub, Z Boyer, TA Rasmussen… - Frontiers in …, 2023 - frontiersin.org
Introduction HIV-1 persists in resting CD4+ T-cells despite antiretroviral therapy (ART).
Determining the cell surface markers that enrich for genetically-intact HIV-1 genomes is vital …

AP-1/c-Fos supports SIV and HIV-1 latency in CD4 T cells infected in vivo

VC Jiménez, A Geretz, A Tokarev, PK Ehrenberg… - Iscience, 2023 - cell.com
Persistent HIV-1 reservoirs of infected CD4 T cells are a major barrier to HIV-1 cure,
although the mechanisms by which they are established and maintained in vivo remain …

Identifying physiological tissue niches that support the HIV reservoir in T cells

N Ikeogu, O Ajibola, R Zayats, TT Murooka - Mbio, 2023 - Am Soc Microbiol
Successful antiretroviral therapy (ART) can efficiently suppress Human Immunodeficiency
Virus-1 (HIV-1) replication to undetectable levels, but rare populations of infected memory …

[HTML][HTML] The TLR7/IRF-5 axis sensitizes memory CD4+ T cells to Fas-mediated apoptosis during HIV-1 infection

L Carmona-Pérez, X Dagenais-Lussier, LT Mai… - JCI insight, 2023 - ncbi.nlm.nih.gov
HIV-1 infection is characterized by inflammation and a progressive decline in CD4+ T cell
count. Despite treatment with antiretroviral therapy (ART), the majority of people living with …