僅用于工業(yè)應(yīng)用或科學(xué)研究，不可用于人類或動(dòng)物的臨床診斷或治療，非藥用. Etanercept, a dimeric fusion protein that binds TNF, acts as a TNF inhibitor. Etanercept competitively inhibits the binding of both TNF-α and TNF-β to cell surface TNF receptors, rendering TNF biologically inactive.