TASK DEFINITION: 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.
PROBLEM: Investigating the enteroenteric recirculation of apixaban, a factor Xa inhibitor: administration of activated charcoal to bile duct-cannulated rats and dogs receiving an intravenous dose and use of drug transporter knockout rats.

SOLUTION: factor Xa

PROBLEM: Comparative study on transcriptional activity of 17 parabens mediated by estrogen receptor α and β and androgen receptor.

SOLUTION: estrogen receptor α and β

PROBLEM: Phytoestrogen genistein protects against endothelial barrier dysfunction in vascular endothelial cells through PKA-mediated suppression of RhoA signaling.

SOLUTION:
RhoA