Title:The Association Between Hepatitis B Virus Mutations and the Risk
of Liver Disease and Hepatocellular Carcinoma
Volume: 22
Issue: 6
关键词:
乙型肝炎病毒、突变、肝细胞癌、肝硬化、HbsAg、HbcAg、HbeAg。
摘要: Hepatitis B virus [HBV], the best-described hepadnavirus, is distributed all
around the world and may lead to chronic and acute liver disease, cirrhosis, and
hepatocellular carcinoma. Despite the advancement in treatment against HBV, an errorprone
reverse transcriptase, which is required for HBV replication as well as host
immune pressure, leads to constant evolution and emergence of genotypes, subgenotypes
and mutant viruses; so, HBV will remain as a major healthcare problem
around the world. This review article mainly focuses on the HBV mutations which
correlated to occult HBV infection, immune escape, vaccine failure and eventually liver
cirrhosis and HCC. The current study indicated that preS/S region mutations are related
to vaccine failure, immune escape, occult HBV infection and the occurrence of HCC.
Whereas P region Mutations may lead to drug resistance to NA antivirals. PreC/C region
mutations are associated with HBeAg negativity, immune escape, and persistent
hepatitis. Moreover, X region Mutations play an important role in HCC development.