ArticleExperimental and therapeutic medicine2021
4-phenylbutyric acid mediates therapeutic effect in systemic lupus erythematosus: Observations in an experimental murine lupus model.
Article in Experimental and therapeutic medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 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
5 citing papers in PubMed, 14 citations in OpenAlex.
- Activation of BZW1 by CEBPB in macrophages promotes eIF2α phosphorylation-mediated metabolic reprogramming and endoplasmic reticulum stress in MRL/lpr lupus-prone mice.Cellular & molecular biology letters · 2023Article
- Endoplasmic Reticulum Stress in Systemic Lupus Erythematosus and Lupus Nephritis: Potential Therapeutic Target.Journal of immunology research · 2023Review
- miR‑146a‑5p protects against renal injury in MRL/lpr mice via improvement of the Treg/Th17 imbalance by targeting the TRAF6/NF‑κB axis.Experimental and therapeutic medicine · 2023Article
- The lupus susceptibility allele DRB1*03:01 encodes a disease-driving epitope.Communications biology · 2022Article
- Endoplasmic Reticulum Stress, Oxidative Stress, and Rheumatic Diseases.Antioxidants (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Impaired function of regulatory T cells (Tregs) contributes to the pathogenesis of systemic lupus erythematosus (SLE). Our previous study demonstrated aberrant responses of T lymphocytes to endoplasmic reticulum (ER) stress in patients with SLE. The present study investigated whether ER stress inhibition by 4-phenylbutyric acid (4-PBA) ameliorated lupus manifestations in an experimental lupus model and the effect of ER stress inhibition on the frequency and function of Tregs. A murine lupus model was induced through a 4-week treatment with Resiquimod, a toll-like receptor (TLR) 7 agonist. From the 8th week, the mice were treated with 4-PBA for 4 weeks. 4-PBA significantly decreased the levels of anti-dsDNA antibodies and serum TNF-α. A significant decrease in glomerulonephritis score was also observed in the 4-PBA-treated group. ER stress inhibition decreased the activated T and B lymphocytes population of splenocytes; however, the population of Tregs was not significantly different between the vehicle and 4-PBA group. However, a markedly enhanced suppressive capacity of Treg was detected in the 4-PBA-treated group. The present results suggest that ER stress inhibition attenuated disease activity in an experimental model by improving the suppressive capacity of Tregs. Therefore, reduction of ER stress could be used as a beneficial therapeutic strategy in SLE.
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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.