AUTHOR=Li Xianbin , Zhang Xueli , Liu Tao , Zhang Guodao , Chen Dan , Lin Suxian TITLE=Identification of immune characteristic biomarkers and therapeutic targets in cuproptosis for rheumatoid arthritis by integrated bioinformatics analysis and single-cell RNA sequencing analysis JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1520400 DOI=10.3389/fmed.2025.1520400 ISSN=2296-858X