Restriction factors: from intrinsic viral restriction to sha** cellular immunity against HIV-1

M Colomer-Lluch, A Ruiz, A Moris… - Frontiers in …, 2018 - frontiersin.org
Antiviral restriction factors are host cellular proteins that constitute a first line of defense
blocking viral replication and propagation. In addition to interfering at critical steps of the …

Intracellular nucleic acid detection in autoimmunity

JT Crowl, EE Gray, K Pestal… - Annual review of …, 2017 - annualreviews.org
Protective immune responses to viral infection are initiated by innate immune sensors that
survey extracellular and intracellular space for foreign nucleic acids. The existence of these …

SAMHD1 promotes DNA end resection to facilitate DNA repair by homologous recombination

W Daddacha, AE Koyen, AJ Bastien, PSE Head… - Cell reports, 2017 - cell.com
DNA double-strand break (DSB) repair by homologous recombination (HR) is initiated by
CtIP/MRN-mediated DNA end resection to maintain genome integrity. SAMHD1 is a dNTP …

SAMHD1 suppresses innate immune responses to viral infections and inflammatory stimuli by inhibiting the NF-κB and interferon pathways

S Chen, S Bonifati, Z Qin, C St. Gelais… - Proceedings of the …, 2018 - pnas.org
Sterile alpha motif and HD-domain–containing protein 1 (SAMHD1) blocks replication of
retroviruses and certain DNA viruses by reducing the intracellular dNTP pool. SAMHD1 has …

N6-methyladenosine modification of HIV-1 RNA suppresses type-I interferon induction in differentiated monocytic cells and primary macrophages

S Chen, S Kumar, CE Espada, N Tirumuru… - PLoS …, 2021 - journals.plos.org
N 6-methyladenosine (m6A) is a prevalent RNA modification that plays a key role in
regulating eukaryotic cellular mRNA functions. RNA m6A modification is regulated by two …

SAMHD1 controls innate immunity by regulating condensation of immunogenic self RNA

S Maharana, S Kretschmer, S Hunger, X Yan, D Kuster… - Molecular cell, 2022 - cell.com
Recognition of pathogen-derived foreign nucleic acids is central to innate immune defense.
This requires discrimination between structurally highly similar self and nonself nucleic acids …

N6-Methyladenosine–binding proteins suppress HIV-1 infectivity and viral production

W Lu, N Tirumuru, CS Gelais, PC Koneru, C Liu… - Journal of Biological …, 2018 - jbc.org
The internal N 6-methyladenosine (m 6 A) modification of cellular mRNA regulates post-
transcriptional gene expression. The YTH domain family proteins (YTHDF1–3 or Y1–3) bind …

Deficiency for SAMHD1 activates MDA5 in a cGAS/STING-dependent manner

T Schumann, SC Ramon, N Schubert… - Journal of Experimental …, 2023 - rupress.org
Defects in nucleic acid metabolizing enzymes can lead to spontaneous but selective
activation of either cGAS/STING or RIG-like receptor (RLR) signaling, causing type I …

[HTML][HTML] From APOBEC to ZAP: Diverse mechanisms used by cellular restriction factors to inhibit virus infections

M Chemudupati, AD Kenney, S Bonifati, A Zani… - … Et Biophysica Acta (BBA …, 2019 - Elsevier
Antiviral restriction factors are cellular proteins that inhibit the entry, replication, or spread of
viruses. These proteins are critical components of the innate immune system and function to …

SAMHD1 functions and human diseases

SAA Coggins, B Mahboubi, RF Schinazi, B Kim - Viruses, 2020 - mdpi.com
Deoxynucleoside triphosphate (dNTP) molecules are essential for the replication and
maintenance of genomic information in both cells and a variety of viral pathogens. While the …