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Soluble epoxide hydrolase (EC 3.3.2.10) is a key enzyme in the regulation of inflammation and metabolism, whereas, the role of its N-terminal phosphatase activity (N-phos) has been poorly understood because of a lack of selective inhibitors. Here we report 4-aminobenzoic (Ki 15.3 µm) and 3-amino-4-hydroxy benzoic acid (Ki 11.7 µm) as selective competitive inhibitors of N-phos.
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http://dx.doi.org/10.1093/bbb/zbad016 | DOI Listing |
Arq Gastroenterol
September 2025
Universidade Federal da Bahia, Hospital Universitário Professor Edgard Santos, Serviço de Gastro-Hepatologia, Salvador, BA, Brasil.
Background: Since Ludwig proposed the term "nonalcoholic steatohepatitis" (NASH) for this liver disease in 1980, there have been many advances in understanding it, including its epidemiology, pathogenesis, diagnostic methods, and treatment.
Objective: This literature review aims to discuss the most relevant aspects of metabolic dysfunction-associated steatotic liver disease (MASLD).
Methods: The review included clinical studies from the following databases: Embase, PubMed, Scopus, Web of Science, Lilacs, Ovid, and Scopus.
Genetics
September 2025
Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.
Protein translation regulation is critical for cellular responses and development, yet how elongation stage disruptions shape these processes remains incompletely understood. Here, we identify a single amino acid substitution (P55Q) in the ribosomal protein RPL-36A of Caenorhabditis elegans that confers complete resistance to the elongation inhibitor cycloheximide (CHX). Heterozygous animals carrying both wild-type RPL-36A and RPL-36A(P55Q) develop normally but show intermediate CHX resistance, indicating a partial dominant effect.
View Article and Find Full Text PDFClin J Am Soc Nephrol
September 2025
The George Institute for Global Health, University of New South Wales, Sydney, Australia.
Background: Substantial advances have been made in therapeutics for IgA nephropathy. We conducted a systematic review and meta-analysis to evaluate the comparative efficacy and safety of existing and novel IgA nephropathy therapies.
Methods: We searched MEDLINE and Embase databases from inception to May 21, 2025 for Phase 2b and 3 multi-center, randomized, placebo-controlled trials enrolling patients with IgA nephropathy that reported treatment effects on proteinuria and/or estimated glomerular filtration rate (eGFR) slope.
JAMA Psychiatry
September 2025
Denovo Biopharma LLC, San Diego, California.
Importance: This study represents a first successful use of a genetic biomarker to select potential responders in a prospective study in psychiatry. Liafensine, a triple reuptake inhibitor, may become a new precision medicine for treatment-resistant depression (TRD), a major unmet medical need.
Objective: To determine whether ANK3-positive patients with TRD benefit from a 1-mg and/or 2-mg daily oral dose of liafensine, compared with placebo, in a clinical trial.
JAMA Netw Open
September 2025
Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla.
Importance: Janus kinase (JAK) inhibitors are highly effective medications for several immune-mediated inflammatory diseases (IMIDs). However, safety concerns have led to regulatory restrictions.
Objective: To compare the risk of adverse events with JAK inhibitors vs tumor necrosis factor (TNF) antagonists in patients with IMIDs in head-to-head comparative effectiveness studies.