Decoding Toll-like receptors: Recent insights and perspectives in innate immunity

T Kawai, M Ikegawa, D Ori, S Akira - Immunity, 2024 - cell.com
Toll-like receptors (TLRs) are an evolutionarily conserved family in the innate immune
system and are the first line of host defense against microbial pathogens by recognizing …

Structural analysis of PLD3 reveals insights into the mechanism of lysosomal 5′ exonuclease-mediated nucleic acid degradation

Y Roske, C Cappel, N Cremer, P Hoffmann… - Nucleic Acids …, 2024 - academic.oup.com
The phospholipase D (PLD) family is comprised of enzymes bearing phospholipase activity
towards lipids or endo-and exonuclease activity towards nucleic acids. PLD3 is synthesized …

[HTML][HTML] Lysosomal endonuclease RNase T2 and PLD exonucleases cooperatively generate RNA ligands for TLR7 activation

M Bérouti, K Lammens, M Heiss, L Hansbauer… - Immunity, 2024 - cell.com
Summary Toll-like receptor 7 (TLR7) is essential for recognition of RNA viruses and initiation
of antiviral immunity. TLR7 contains two ligand-binding pockets that recognize different RNA …

[HTML][HTML] Human and Murine Toll-like Receptor-Driven Disease in Systemic Lupus Erythematosus

S von Hofsten, KA Fenton, HL Pedersen - International Journal of …, 2024 - mdpi.com
The pathogenesis of systemic lupus erythematosus (SLE) is linked to the differential roles of
toll-like receptors (TLRs), particularly TLR7, TLR8, and TLR9. TLR7 overexpression or gene …

[HTML][HTML] Large-scale mutational analysis identifies UNC93B1 variants that drive TLR-mediated autoimmunity in mice and humans

VE Rael, JA Yano, JP Huizar, LC Slayden… - Journal of Experimental …, 2024 - rupress.org
Nucleic acid–sensing Toll-like receptors (TLR) 3, 7/8, and 9 are key innate immune sensors
whose activities must be tightly regulated to prevent systemic autoimmune or …

Structural and mechanistic insights into disease-associated endolysosomal exonucleases PLD3 and PLD4

M Yuan, L Peng, D Huang, A Gavin, F Luan, J Tran… - Structure, 2024 - cell.com
Endolysosomal exonucleases PLD3 and PLD4 (phospholipases D3 and D4) are associated
with autoinflammatory and autoimmune diseases. We report structures of these enzymes …

[HTML][HTML] Cytosolic nucleic acid sensing and mitochondrial transcriptomic changes as early triggers of metabolic disease in db/db mice

AH Ludwig-Słomczyńska, MT Seweryn, J Wiater… - Mammalian …, 2024 - Springer
Animal models of diabetes, such as db/db mice, are a useful tool for deciphering the genetic
background of molecular changes at the initial stages of disease development. Our goal was …

[HTML][HTML] PLD3 and PLD4 synthesize S, S-BMP, a key phospholipid enabling lipid degradation in lysosomes

S Singh, U Dransfeld, Y Ambaw, J Lopez-Scarim… - bioRxiv, 2024 - ncbi.nlm.nih.gov
SUMMARY Bis (monoacylglycero) phosphate (BMP) is an abundant lysosomal phospholipid
required for degradation of lipids, in particular gangliosides. Alterations in BMP levels are …

[HTML][HTML] Quantitative Proteomic Analysis of Macrophages Infected with Trypanosoma cruzi Reveals Different Responses Dependent on the SLAMF1 Receptor and the …

A Herreros-Cabello, J del Moral-Salmoral… - … Journal of Molecular …, 2024 - ncbi.nlm.nih.gov
Chagas disease is caused by the intracellular protozoan parasite Trypanosoma cruzi. This
disease affects mainly rural areas in Central and South America, where the insect vector is …

Fraternal twins at work: Structures of PLD3/4 reveal mechanism for lysosomal nucleic acid breakdown

O Daumke, M Damme - Structure, 2024 - Elsevier
Phospholipase D (PLD) family proteins degrade phospholipids and nucleic acids. In the
current issue of Structure, Yuan et al. 1 report crystal structures of lysosomal PLD3 and …