Retracted: miR-26a-5p Regulates Synovial Fibroblast Invasion in Patients with Rheumatoid Arthritis by Targeting Smad

: This paper is being retracted based on publishers' legal criteria. We have received notification from the author, Yonghui Shen, that he had added Dr. Wei Zhang (the first author) as a co-author fraudulently, without his permission or authorization, and that he falsified the confirmation from Dr. Zhang. Dr. Wei Zhang had no contribution to this paper.