Hepatitis B therapeutic vaccines

A fusion protein for use as a hepatitis B therapeutic vaccine is disclosed. The fusion protein comprises: (a) an antigen-presenting cell (APC)-binding domain or a CD91 receptor-binding domain; (b) a protein transduction domain; and (c) an antigen comprising a hepatitis B virus X protein deletion mut...

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Hauptverfasser: Chang, Wei-Lun, Chiu, Yi-Tsui, Chang, Cheng-Yung, Lin, Yi-Chia, Lin, Wei-Hsiang, Lee, Kung-Lung, Wu, Jiun-Ming, Chiang, Fu-Hsien, Lin, Hsiang-Kai, Wu, Chia-Mao, Kang, Chia-Hao, Peng, Chia-Kuan
Format: Patent
Sprache:eng
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Zusammenfassung:A fusion protein for use as a hepatitis B therapeutic vaccine is disclosed. The fusion protein comprises: (a) an antigen-presenting cell (APC)-binding domain or a CD91 receptor-binding domain; (b) a protein transduction domain; and (c) an antigen comprising a hepatitis B virus X protein deletion mutant that lacks amino acids (aa) at least from as 21 to as 50. The protein transduction domain is a fusion polypeptide comprising a T cell sensitizing signal-transducing peptide, a linker, and a translocation peptide. The APC-binding domain or the CD91 receptor-binding domain is located at the N-terminus of the fusion protein, and the antigen is located at the C-terminus of the protein transduction domain.