MSC Exosomes and Rutin‐Chitosan–Pectin Nanoparticles Synergize to Ameliorate Adjuvant Arthritis via Th1/Th2 Modulation, MMP Suppression, Nrf2 Upregulation, and Antioxidant Boost. - Moftah, Karim M.; Hozayen, Walaa G.; Hasona, Nabil A.; Al-Muzafar, Hessah M.; Amin, Kamal A.; Alshwyeh, Hussah A.; Zoheir, Khairy M. A.; Ahmed, Osama M.; El-Husseiny, Hussein M. (Stem Cells International, 2026)