Interferons: reprogramming the metabolic network against viral infection

K Raniga, C Liang - Viruses, 2018 - mdpi.com
Viruses exploit the host and induce drastic metabolic changes to ensure an optimal
environment for replication and the production of viral progenies. In response, the host has …

SAMHD1: Recurring roles in cell cycle, viral restriction, cancer, and innate immunity

CH Mauney, T Hollis - Autoimmunity, 2018 - Taylor & Francis
Sterile alpha motif and histidine-aspartic acid domain-containing protein 1 (SAMHD1) is a
deoxynucleotide triphosphate (dNTP) hydrolase that plays an important role in the …

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 - National Acad Sciences
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 …

Repolarizing heterogeneous leukemia-associated macrophages with more M1 characteristics eliminates their pro-leukemic effects

X Yang, W Feng, R Wang, F Yang, L Wang… - …, 2018 - Taylor & Francis
Macrophages exhibit phenotypic heterogeneity under both physiological and pathological
conditions. Applications targeting M2-like tumor-associated macrophages (TAMs) improve …

DNA damage induced by topoisomerase inhibitors activates SAMHD 1 and blocks HIV‐1 infection of macrophages

P Mlcochova, SJ Caswell, IA Taylor, GJ Towers… - The EMBO …, 2018 - embopress.org
We report that DNA damage induced by topoisomerase inhibitors, including etoposide
(ETO), results in a potent block to HIV‐1 infection in human monocyte‐derived macrophages …

Astrocytes, an active player in Aicardi–Goutières syndrome

S Sase, A Takanohashi, A Vanderver… - Brain …, 2018 - Wiley Online Library
Aicardi–Goutières syndrome (AGS) is an early‐onset, autoimmune and genetically
heterogeneous disorder with severe neurologic injury. Molecular studies have established …

SAMHD1 enhances immunoglobulin hypermutation by promoting transversion mutation

ES Thientosapol, D Bosnjak, T Durack… - Proceedings of the …, 2018 - National Acad Sciences
Activation-induced deaminase (AID) initiates hypermutation of Ig genes in activated B cells
by converting C: G into U: G base pairs. G1-phase variants of uracil base excision repair …

A central role for PI3K-AKT signaling pathway in linking SAMHD1-deficiency to the type I interferon signature

C Oh, J Ryoo, K Park, B Kim, MB Daly, DY Cho… - Scientific reports, 2018 - nature.com
Abstract The autoimmune disorder Aicardi-Goutières syndrome (AGS) is characterized by a
constitutive type I interferon response. SAMHD1 possesses both dNTPase and RNase …

The SAM domain of mouse SAMHD1 is critical for its activation and regulation

O Buzovetsky, C Tang, KM Knecht… - Nature …, 2018 - nature.com
Abstract Human SAMHD1 (hSAMHD1) is a retroviral restriction factor that blocks HIV-1
infection by depleting the cellular nucleotides required for viral reverse transcription …

Interplay of ancestral non-primate lentiviruses with the virus-restricting SAMHD1 proteins of their hosts

SA Mereby, T Maehigashi, JM Holler, DH Kim… - Journal of Biological …, 2018 - ASBMB
Lentiviruses infect both dividing CD4+ T cells and nondividing myeloid cells, and the
infected myeloid cells serve as long-living viral reservoirs. Host sterile alpha motif–and …