ArticleHeliyon2024
RNF149 negatively regulates LPS/TLR4 signal transduction by ubiquitination-mediated CD63 degradation.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Encephalomyocarditis virus evades IFN-mediated antiviral response by RNF149 targeting JAK1 for ubiquitination and degradation.Virulence · 2026Article
- Dissection of innate-immune-ligand- and interferon-protein-mediated transcriptional responses in human THP1 cell states.Communications biology · 2026Article
- Regulatory roles of E3 ubiquitin ligase RNF128 in inflammatory diseases and tumors.Journal of Cancer · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aims to investigate the role of RNF149 and tetraspanin CD63 in lipopolysaccharide/Toll-like receptor 4 (LPS/TLR4) signal transduction. TNF-α was assessed using enzyme-linked immunosorbent assay. The distribution of TLR4 was examined through flow cytometry after CD63 knockdown. Real-time polymerase chain reaction was used to analyze the expression of the target genes RNF149 and CD63 under different conditions. Western blotting was employed to detect gene expression, while immunoprecipitation and confocal microscopy were used to evaluate protein interactions. Transcriptome array data from stimulated monocytes (GSE7547) was obtained from GEO and subjected to bioinformatic analysis. It is suggested that CD63 may serve as a substrate of RNF149, with RNF149 capable of directly interacting with CD63. RNF149 degrades CD63 through covalent modification of CD63 at lysine 29 of the ubiquitin monomer, leading to the formation of a multiubiquitin chain. Both RNF149 and CD63 interact with TLR4, with CD63 promoting LPS/TLR4 signaling and RNF149 inhibits it. CD63 does not impact the distribution of TLR4 on the cell surface and does not directly interact with TIRAP, IRAK4, or TRAF6, but does interact with Myd88.RNF149 plays a negative regulatory role in LPS/TLR4 signal transduction by mediating ubiquitination-induced CD63 degradation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.