Viral remodeling of the 4D nucleome

KD Kim, PM Lieberman - Experimental & Molecular Medicine, 2024 - nature.com
The dynamic spatial organization of genomes across time, referred to as the four-
dimensional nucleome (4DN), is a key component of gene regulation and biological fate …

Forging a functional cure for HIV: transcription regulators and inhibitors

S Mediouni, S Lyu, SM Schader, ST Valente - Viruses, 2022 - mdpi.com
Current antiretroviral therapy (ART) increases the survival of HIV-infected individuals, yet it is
not curative. The major barrier to finding a definitive cure for HIV is our inability to identify …

Profound phenotypic and epigenetic heterogeneity of the HIV-1-infected CD4+ T cell reservoir

VH Wu, JML Nordin, S Nguyen, J Joy, F Mampe… - Nature …, 2023 - nature.com
Understanding the complexity of the long-lived HIV reservoir during antiretroviral therapy
(ART) remains a considerable impediment in research towards a cure for HIV. To address …

Single-cell transcriptomics identifies prothymosin α restriction of HIV-1 in vivo

A Geretz, PK Ehrenberg, RJ Clifford… - Science Translational …, 2023 - science.org
Host restriction factors play key roles in innate antiviral defense, but it remains poorly
understood which of them restricts HIV-1 in vivo. Here, we used single-cell transcriptomic …

Enhancing HIV-1 latency reversal through regulating the elongating RNA Pol II pause-release by a small-molecule disruptor of PAF1C

SHA Soliman, WJ Cisneros, M Iwanaszko, Y Aoi… - Science …, 2023 - science.org
The polymerase-associated factor 1 complex (PAF1C) is a key, post-initiation transcriptional
regulator of both promoter-proximal pausing and productive elongation catalyzed by RNA …

Integration site–dependent HIV-1 promoter activity shapes host chromatin conformation

JA Collora, YC Ho - Genome Research, 2023 - genome.cshlp.org
HIV-1 integration introduces ectopic transcription factor binding sites into host chromatin. We
postulate that the integrated provirus serves as an ectopic enhancer that recruits additional …

Memory CD4+ T cells that co-express PD1 and CTLA4 have reduced response to activating stimuli facilitating HIV latency

TA Rasmussen, JM Zerbato, A Rhodes, C Tumpach… - Cell Reports …, 2022 - cell.com
Summary Programmed cell death 1 (PD1) and cytotoxic T lymphocyte-associated protein 4
(CTLA4) suppress CD4+ T cell activation and may promote latent HIV infection. By …

[HTML][HTML] Genomic profiling of HIV-1 integration in microglia cells links viral integration to the topologically associated domains

M Rheinberger, AL Costa, M Kampmann, D Glavas… - Cell Reports, 2023 - cell.com
HIV-1 encounters the hierarchically organized host chromatin to stably integrate and persist
in anatomically distinct latent reservoirs. The contribution of genome organization in HIV-1 …

A modular CRISPR screen identifies individual and combination pathways contributing to HIV-1 latency

E Hsieh, DH Janssens, PJ Paddison, EP Browne… - PLoS …, 2023 - journals.plos.org
Transcriptional silencing of latent HIV-1 proviruses entails complex and overlapping
mechanisms that pose a major barrier to in vivo elimination of HIV-1. We developed a new …

CBX4 contributes to HIV‐1 latency by forming phase‐separated nuclear bodies and SUMOylating EZH2

L Wu, T Pan, M Zhou, T Chen, S Wu, X Lv, J Liu… - EMBO …, 2022 - embopress.org
The retrovirus HIV‐1 integrates into the host genome and establishes a latent viral reservoir
that escapes immune surveillance. Molecular mechanisms of HIV‐1 latency have been …