GRK2 inhibits Flt-1⁺ macrophage infiltration and its proangiogenic properties in rheumatoid arthritis.

"Conflicts of interest The authors have no conflicts of interest to declare."

"We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript. We thank all the patients who participated in providing us with synovial tissues and blood samples. Graphical abstract was created with BioRender.com (publication and licensing rights number JZ25ROGTF8). This study was supported by the 10.13039/501100001809National Natural Science Foundation of China (No. 82003763, No. 81973332, No. 82173824, No. 82204405, No. 82204402), Research Fund of Anhui Institute of translational medicine (2022zhyx-B04, China), The 2022 Basic and Clinical Collaborative Research of Anhui Medical University (2022sfy015, China), and Natural Science Foundation of Anhui Provincial (2108085QH383, China)."