AUTHOR=Yokoi Eito , Wakahara Keiko , Nakamura Saya , Fukutani Eriko , Asai Shuji , Takahashi Nobunori , Kojima Toshihisa , Iwano Shingo , Shimada Satoko , Chen-Yoshikawa Toyofumi Fengshi , Hashimoto Naozumi , Ishii Makoto TITLE=Increased sputum peripheral helper T cells are associated with the severity of rheumatoid arthritis but not with the severity of airway disease JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1526881 DOI=10.3389/fimmu.2025.1526881 ISSN=1664-3224