Task: Answer Verification
Input (English): Question: Does ursodeoxycholic acid reduce expression of heat shock proteins in primary biliary cirrhosis?
Answer: The present data suggest that BECs and hepatocytes significantly express HSPs even in the early stages of PBC, and that UDCA treatment significantly improves their condition. The immunohistochemical evaluation of HSPs is a valid and sensitive means to identify injured cells in PBC.
Output (English): yes