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Herpes virus1(HSV1) is a neurotropic virus that has been linked to Alzheimer's disease. An In-silico structural homology search using α -Bgtx, identified structural homology between HSV1 gD and the nicotinic receptor neurotoxin α-Bgtx. SPR binding studies using acetylcholine binding protein from Lymnaea stagnalis, and functional two electrode voltage clamp studies of α7 nAChRs demonstrate the ability of HSV1 to interact directly with nAChRs. Molecular docking studies support the binding of a neurotoxin-like binding loop in HSV1 to a binding site similar to the neurotoxin binding domain. Interaction of HSV1 with nAChRs provides novel insights into a potential mechanism of action of HSV and its potential role in Alzheimer's disease.
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http://dx.doi.org/10.1038/s44298-025-00109-w | DOI Listing |
Turk J Pediatr
September 2025
West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
Background: The α-actinin-4 (ACTN4) gene encodes an actin-binding protein, which plays a crucial role in maintaining the structure and function of podocytes. Previous studies have confirmed that ACTN4 mutations can lead to focal segmental glomerulosclerosis-1 (FSGS1), a rare disease primarily manifesting in adolescence or adulthood, characterized by mild to moderate proteinuria, with some cases progressing slowly to end-stage renal disease.
Case Presentation: We report a 12.
ACS Biomater Sci Eng
September 2025
Materials Engineering, McGill university, Montreal H3A0C5, Canada.
Transcutaneous devices such as dental implants frequently fail due to infections at their interfaces with epithelial tissues. These infections are facilitated by the lack of integration between the devices and the surrounding soft tissues. This study aims to improve epithelial integration through surface modification of a transcutaneous implant material (polyetheretherketone (PEEK)).
View Article and Find Full Text PDFBlood Adv
September 2025
BC Cancer, Vancouver, British Columbia, Canada.
Classical Hodgkin Lymphoma (CHL) is characterized by a complex tumor microenvironment (TME) that supports disease progression. While immune cell recruitment by Hodgkin and Reed-Sternberg (HRS) cells is well-documented, the role of non-malignant B cells in relapse remains unclear. Using single-cell RNA sequencing (scRNA-seq) on paired diagnostic and relapsed CHL samples, we identified distinct shifts in B-cell populations, particularly an enrichment of naïve B cells and a reduction of memory B cells in early-relapse compared to late-relapse and newly diagnosed CHL.
View Article and Find Full Text PDFJ Am Chem Soc
September 2025
Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States.
Among the different types of HIV-1 maturation inhibitors, those that stabilize the junction between the capsid protein C-terminal domain (CA) and the spacer peptide 1 (SP1) within the immature Gag lattice are promising candidates for antiretroviral therapies. Here, we report the atomic-resolution structure of CA-SP1 assemblies with the small-molecule maturation inhibitor PF-46396 and the assembly cofactor inositol hexakisphosphate (IP6), determined by magic angle spinning (MAS) NMR spectroscopy. Our results reveal that although the two PF-46396 enantiomers exhibit distinct binding modes, they both possess similar anti-HIV potency.
View Article and Find Full Text PDFJ Cell Biol
November 2025
Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Phosphatidic acid (PA) regulates lipid homeostasis and vesicular trafficking, yet high-affinity tools to study PA in live cells are lacking. We identified the lipin-like sequence of Nir1 (PILS-Nir1) as a candidate PA biosensor based on structural analysis of Nir1's LNS2 domain. Using liposome-binding assays and pharmacological and genetic manipulations in HEK293A cells expressing fluorescent PILS-Nir1, we found that while PILS-Nir1 binds PA and PIP2in vitro, only PA is necessary and sufficient for membrane localization in cells.
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