| abstract |
One aspect relates to an immune adjuvant comprising a polypeptide consisting of the amino acid sequence of SEQ ID NO: 2 (Immune adjuvant). The polypeptide is a hepatitis B virus-derived polypeptide, is effective in enhancing immunity as an immune adjuvant alone through administration in combination with vaccines, and particularly exhibits a more remarkable immune enhancement effect when administered in combination with other immune adjuvants. Furthermore, the polypeptide is a single molecule having a sequence of only six amino acids, has no cytotoxicity, and has excellent in vivo stability. |