Brought = offered?

Context:

By sequencing the DNA associated with HDAC-3 in the liver the Penn team found HDAC in 100 places in the liver genome at 5:00am, but 12 hours later at 5:00pm, HDAC was present in 15,000 places in the liver genome, indicating that it had been brought to the liver during the day. They also found that Rev-erb follows the same daily pattern, because it is the protein that gives HDAC-3 a ride to work.