Regulatory Effects of Tetramethylpyrazine on Inflammation and Synoviocyte Proliferation and Apoptosis in Rats With Rheumatoid Arthritis
**Objective:** To investigate the effects of tetramethylpyrazine (TMP) on inflammation, synoviocyte proliferation, and apoptosis in rats with rheumatoid arthritis (RA). **Methods:** One hundred male Sprague–Dawley rats were randomly assigned to five groups (n = 20): control, RA model, methotrexate (MTX, 10 mg/kg), low...