Shaokun Pan

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In silico screening of metazoan genome data identified multiple endogenous hepadnaviral elements in the budgerigar (Melopsittacus undulatus) genome, most notably two elements comprising about 1.3 × and 1.0 × the full-length genome. Phylogenetic and molecular dating analyses show that endogenous budgerigar hepatitis B viruses (eBHBV) share an ancestor with(More)
Oncolytic adenovirus is capable of infecting, replicating in and lysing cancer cells. In adenovirus infection and replication, the wild type E1a gene (wE1a) mediates various genetic events to facilitate viral replication and exert antitumor effect. To enhance its antitumor efficacy and optimize its safety, we manipulated the wE1a gene and designed a 720-bp(More)
Endogenous viral elements (EVE) in animal genomes are the fossil records of ancient viruses and provide invaluable information on the origin and evolution of extant viruses. Extant hepadnaviruses include avihepadnaviruses of birds and orthohepadnaviruses of mammals. The core promoter (Cp) of hepadnaviruses is vital for viral gene expression and replication.(More)
Global adoption of hepatitis B virus (HBV) vaccines has greatly reduced new HBV infections. Current HBV vaccines are liquid suspensions containing recombinant hepatitis B surface antigen (HBsAg) particles mixed with aluminum phosphate or aluminum hydroxide. Refrigeration (2-8°C) as recommended for vaccine transport and storage may be unachievable in certain(More)
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