Acknowledgment This work was supported by a grant from the National Nature Science Foundation of China (No. 39970374). The authors wish to thank Professor Yi-Pong Hu, Second Military Medical University of China, for his kindness in providing us the recombinant plasmid (pBR322-HBV). We wish to thank Mr. Michael Talion of Shantou University Medical College, English Language Training Section for his assistance in proofreading this manuscript. We gratefully acknowledge the support of the leaders of Shantou University Medical College.
Aim: To detect the expression of hepatitis B virus (HBV) genes (HB S and C genes) in early embryonic cells after introducing motile human sperm carrying HBV DNA into zona-free hamster oocytes via the in vitro fer...