Cytotoxic CD4+ T-cells during HIV infection: Targets or weapons?

A Sanchez-Martinez, F Perdomo-Celis… - Journal of Clinical …, 2019 - Elsevier
… of the lytic capacity of CD4 + T-cells from patients with HIV … death was abrogated by the
inhibitor of perforin-mediated … selective pressure, inducing escape mutations during their control […

Suboptimal stimulation by weak agonist epitope variants does not drive dysfunction of HIV-1-specific cytotoxic T lymphocyte clones

MA Grossman, C Hofmann, HL Ng, OO Yang - AIDS, 2019 - journals.lww.com
… were lysed by adding 40 μl of working lysismutation and presumably diminished recognition
was associated with preserved CTL function. Consistent with our results, epitope mutation

Concanamycin A counteracts HIV-1 Nef to enhance immune clearance of infected primary cells by cytotoxic T lymphocytes

MM Painter, GE Zimmerman… - Proceedings of the …, 2020 - National Acad Sciences
… impairing responsiveness to CTL-derived lytic signals. … that CMA inhibits nef alleles isolated
from diverse clades of HIV, … pressure to generate CTL-escape mutants prior to the initiation of …

Innate, non-cytolytic CD8+ T cell-mediated suppression of HIV replication by MHC-independent inhibition of virus transcription

…, A Chahroudi, SE Bosinger, J Yoon, B Cox… - PLoS …, 2020 - journals.plos.org
… [2, 3], the emergence of virus CTL escape mutants[4, 5], the … + T cells were determined
using a more stringent viability cutoff … HIV-1 DNA was calculated by using serial dilutions lysed

BCL-2 antagonism sensitizes cytotoxic T cell–resistant HIV reservoirs to elimination ex vivo

…, TM Mota, R Truong, T Rohwetter… - The Journal of …, 2020 - Am Soc Clin Investig
… BCL-2 is a master regulator of apoptosis that can inhibit both the perforin/granzyme B and
FasL/Fas … We observed significant losses in viable CD4 + T cells with increasing peptide …

Defective HIV-1 proviruses produce viral proteins

…, M Smith, JW Adelsberger, T Izumi… - Proceedings of the …, 2020 - National Acad Sciences
… internal deletions and lethal genetic mutations. As these defective proviruses … that cytotoxic
T lymphocytes (CTLs) may recognize cells … assay (RIPA) lysis buffer containing 50 mM Tris⋅…

… histone deacetylase inhibitors with distinct latency reversing agents variably affect HIV reactivation and susceptibility to NK cell-mediated killing of T cells that exit viral …

DA Covino, MG Desimio, M Doria - International Journal of Molecular …, 2021 - mdpi.com
… by CTL escape mutations that typically accumulate within HIV … signals delivered by activating
and inhibitory receptors [41]. … HIV and up-regulate NKG2DL while preserving cell viability in …

Cytotoxic T lymphocytes and natural killer cells

SL Nutt, ND Huntington - Clinical Immunology, 2019 - Elsevier
… with combinations of multiple activating and inhibitory KIRs can be … NK cells are able to lyse
HIV-infected target cells either … mutations were shown for MCMV infection in mouse and HIV

Functional impairment of HIV-specific CD8+ T cells precedes aborted spontaneous control of viremia

DR Collins, JM Urbach, ZJ Racenet, U Arshad… - Immunity, 2021 - cell.com
HIV controllers exhibit potent CD8 T cell capacity to suppress HIV infection ex vivo and
peculiar cytotoxic T lymphocyte … (F) Summary of mutations and escape from CD8 + T cell

Clearance of HIV infection by selective elimination of host cells capable of producing HIV

M Li, W Liu, T Bauch, EA Graviss, RC Arduino… - Nature …, 2020 - nature.com
… is feasible to clear host cells harboring replication-competent … of memory T cells, we tested
whether inhibition of autophagy … The cells were lysed in lysis buffer containing 50 mm HEPES, …