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Modulation of Lymphotoxin β Surface Expression by Kaposi's Sarcoma-Associated Herpesvirus K3 Through Glycosylation Interference.
J Med Virol
January 2025
Department of Infection Biology, Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.
Kaposi's sarcoma-associated herpesvirus (KSHV) employs diverse mechanisms to subvert host immune responses, contributing to its infection and pathogenicity. As an immune evasion strategy, KSHV encodes the Membrane-Associated RING-CH (MARCH)-family E3 ligases, K3, and K5, which target and remove several immune regulators from the cell surface. In this study, we investigate the impact of K3 and K5 on lymphotoxin receptor (LTβR) ligands, LTβ and LIGHT, which are type II transmembrane proteins and function as pivotal immune mediators during virus infection.
View Article and Find Full Text PDFProteolysis targeting chimeras (PROTACs) are pivotal in cancer therapy for their ability to degrade specific proteins. However, their non-specificity can lead to systemic toxicity due to protein degradation in normal cells. To address this, we have integrated a nanobody into the PROTACs framework and leveraged the tumor microenvironment to enhance drug specificity.
View Article and Find Full Text PDFThe replicative polymerase delta is inefficient copying repetitive DNA sequences. Error-prone translesion polymerases have been shown to switch with high-fidelity replicative polymerases to help navigate repetitive DNA. We and others have demonstrated the importance of one such translesion polymerase, polymerase Eta (pol eta), in facilitating replication at genomic regions called common fragile sites (CFS), which are difficult-to-replicate genomic regions that are hypersensitive to replication stress.
View Article and Find Full Text PDFBerberine Inhibited SASP-Related Inflammation through RXR[Formula: see text]/PPAR[Formula: see text]/NEDD4 Pathway in Atherosclerosis.
Am J Chin Med
January 2025
Department of Pathophysiology.
The accumulation of aging cells significantly contributes to chronic inflammatory diseases such as atherosclerosis. Human carotid artery single-cell sequencing has shown that large numbers of aging foam cells are present in the plaques of human patients. Berberine (BBR) has been shown to inhibit cell senescence, however, the mechanisms involved in its treatment of atherosclerotic senescence have not yet been determined.
View Article and Find Full Text PDFRepurposing of phosphodiesterase-5 inhibitor sildenafil as a therapeutic agent to prevent gastric cancer growth through suppressing c-MYC stability for IL-6 transcription.
Commun Biol
January 2025
Department of General Surgery & Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, Southern Medical University, Guangzhou, China.
Phosphodiesterase-5 (PDE5) inhibitors have shown promise as anti-cancer agents in malignancies. However, their specific effects on gastric cancer (GC) and the underlying mechanisms remain elusive. Our aim was to investigate this by combining evidence from population-based studies with data obtained from in vivo and in vitro experiments.
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