The role of nucleases and nucleic acid editing enzymes in the regulation of self-nucleic acid sensing

P Santa, A Garreau, L Serpas, A Ferriere… - Frontiers in …, 2021 - frontiersin.org
Detection of microbial nucleic acids by the innate immune system is mediated by numerous
intracellular nucleic acids sensors. Upon the detection of nucleic acids these sensors induce …

SAMHD1… and viral ways around it

J Deutschmann, T Gramberg - Viruses, 2021 - mdpi.com
The SAM and HD domain-containing protein 1 (SAMHD1) is a dNTP triphosphohydrolase
that plays a crucial role for a variety of different cellular functions. Besides balancing …

Genome instability independent of type I interferon signaling drives neuropathology caused by impaired ribonucleotide excision repair

SM Downing, PA Schreiner, YD Kwak, Y Li, TI Shaw… - Neuron, 2021 - cell.com
Aicardi-Goutières syndrome (AGS) is a monogenic type I interferonopathy characterized by
neurodevelopmental defects and upregulation of type I interferon signaling and …

Aicardi-Goutières syndrome-associated mutation at ADAR1 gene locus activates innate immune response in mouse brain

X Guo, CA Wiley, RA Steinman, Y Sheng, B Ji… - Journal of …, 2021 - Springer
Abstract Background Aicardi-Goutières syndrome (AGS) is a severe infant or juvenile-onset
autoimmune disease characterized by inflammatory encephalopathy with an elevated type 1 …

Lentiviral and adeno-associated vectors efficiently transduce mouse T lymphocytes when targeted to murine CD8

A Michels, AM Frank, DM Günther, M Mataei… - … Therapy-Methods & …, 2021 - cell.com
Preclinical studies on gene delivery into mouse lymphocytes are often hampered by
insufficient activity of lentiviral (LV) and adeno-associated vectors (AAVs) as well as missing …

Aicardi–Goutières syndrome-like encephalitis in mutant mice with constitutively active MDA5

H Onizawa, H Kato, H Kimura, T Kudo… - International …, 2021 - academic.oup.com
MDA5 is a cytoplasmic sensor of viral RNA, triggering type I interferon (IFN-I) production.
Constitutively active MDA5 has been linked to autoimmune diseases such as systemic lupus …

Structural and functional characterization explains loss of dNTPase activity of the cancer-specific R366C/H mutant SAMHD1 proteins

NE Bowen, J Temple, C Shepard, A Oo… - Journal of Biological …, 2021 - ASBMB
Elevated intracellular levels of dNTPs have been shown to be a biochemical marker of
cancer cells. Recently, a series of mutations in the multifunctional dNTP …

Nucleotide pool imbalance and antibody gene diversification

A Azhar, NA Begum, A Husain - Vaccines, 2021 - mdpi.com
The availability and adequate balance of deoxyribonucleoside triphosphate (dNTP) is an
important determinant of both the fidelity and the processivity of DNA polymerases …

Dirty fish versus squeaky clean mice: Dissecting interspecies differences between animal models of interferonopathy

HA Rutherford, PR Kasher, N Hamilton - Frontiers in Immunology, 2021 - frontiersin.org
Autoimmune and autoinflammatory diseases are rare but often devastating disorders,
underpinned by abnormal immune function. While some autoimmune disorders are thought …

A Mitochondrial Orthologue of the dNTP Triphosphohydrolase SAMHD1 Is Essential and Controls Pyrimidine Homeostasis in Trypanosoma brucei

M Yague-Capilla, VM Castillo-Acosta… - ACS Infectious …, 2021 - ACS Publications
The maintenance of deoxyribonucleotide triphosphate (dNTP) homeostasis through
synthesis and degradation is critical for accurate genomic and mitochondrial DNA …