In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Q: On the relationship between the dopamine transporter and the reinforcing effects of local anesthetics in rhesus monkeys: practical and theoretical concerns.

A: dopamine transporter
****
Q: Sorafenib: recent update on activity as a single agent and in combination with interferon-alpha2 in patients with advanced-stage renal cell carcinoma.

A: interferon-alpha2
****
Q: Troglitazone reduces plasminogen activator inhibitor-1 expression and secretion in cultured human adipocytes.

A:
plasminogen activator inhibitor-1
****