Abstract: A non-human animal disease model for hepatitis B virus-associated liver disease is disclosed. The animal disease model is transduced with a hepatitis B virus genome in the liver cells thereof and exhibits the following symptoms: hepatitis B viral particles and hepatitis B viral DNA in the serum, hepatitis B virus (HBV) envelope and HBV e proteins in the serum, expression of HBV core and HBV envelope proteins in the liver but not in the kidney, heart, lung, brain, pancreas, spleen, stomach or intestine tissues. The animal disease model may develop hepatocellular carcinoma, exhibiting an elevated level of alanine aminotransferase as compared to a control animal without the hepatitis B virus genome in the liver cells thereof, and liver pathological symptoms such as tumor nodules, dysplasia, inflammatory infiltrates, necrosis and fibrosis.

Abstract: A thermosensitive hepatitis B vaccine is provided. The thermosensitive hepatitis B vaccine includes an aqueous phase solution comprising a biodegradable thermosensitive hydrogel copolymer; a surface antigen of hepatitis B virus (HBsAg); and a bioactive substance. The thermosensitive hepatitis B vaccine of the disclosure is particularly suitable for being applied in the patients, which are low responsive or non-responsive to conventional hepatitis B vaccine, for enhancing the induction of cell-mediated immune responses and overcoming the HBsAg non-responsiveness.

Abstract: A non-human animal disease model for hepatitis B virus-associated liver disease is disclosed. The animal disease model is transduced with a hepatitis B virus genome in the liver cells thereof and exhibits the following symptoms: hepatitis B viral particles and hepatitis B viral DNA in the serum, hepatitis B virus (HBV) envelope and HBV e proteins in the serum, expression of HBV core and HBV envelope proteins in the liver but not in the kidney, heart, lung, brain, pancreas, spleen, stomach or intestine tissues. The animal disease model may develop hepatocellular carcinoma, exhibiting an elevated level of alanine aminotransferase as compared to a control animal without the hepatitis B virus genome in the liver cells thereof, and liver pathological symptoms such as tumor nodules, dysplasia, inflammatory infiltrates, necrosis and fibrosis.

Abstract: A DNA vaccine of Japanese encephalitis virus (JEV) of the present invention comprises at least one vector encoding a membrane protein and an envelope protein gene of JEV. Furthermore, the DNA vaccine contains a cytomegalovirus early promoter sequence, an enhancer sequence, a chimeric intron, a bovine growth hormone polyadenylation sequence and a kanamycin resistant gene. The DNA vaccine can enhance antigentic stability and provide a high level of immunity.

Abstract: The present invention provides a method of treating cancer in a mammal comprising delivering by electroporation an immunocytokine or cytokine gene in an expression plasmid into cells of the mammal.

Abstract: The present invention relates to recombinant eukaryotic plasmids comprising an eukaryotic expression vector and an allergen gene for the prevention and/or treatment of allergic diseases. When the recombinant vector containing allergen-gene administrate to an individual in need of such prevention and/or treatment by intramuscular injection, intranasal delivery or intratracheal delivery, the production of allergen-specific IgE synthesis can be inhibited. The invention also relates to the pharmaceutical compositions comprising the the recombinant vector for use in the the prevention and/or treatment of allergic diseases and the production of allergen-specific IgE synthesis. A method for the prevention and/or treatment of allergic diseases is also provided.

Abstract: B cell lymphoma tumor-associated antigen or a fragment thereof containing an epitope are linked to an immune-enhancing cytokine, such as GM-CSF, IL-2, or IL-4 to form an immuno-complex. This immuno-complex elicits immune responses which are protective with respect to tumor proliferation. The linkers may be simple chemical bifunctional moieties introduced through chemical synthetic techniques or peptides introduce through recombinant methodologies. Antibodies immunoreactive with these immunocomplexes are also useful as passive vaccines and as analytical tools.

Abstract: The present invention relates to recombinant eukaryotic plasmids comprising an eukaryotic expression vector and an allergen gene for the prevention and/or treatment of allergic diseases. When the recombinant vector containing allergen-gene is administered to an individual in need of such prevention and/or treatment by intramuscular injection, intranasal delivery or intratracheal delivery, the production of allergen-specific IgE synthesis can be inhibited. The invention also relates to the pharmaceutical compositions comprising the recombinant vector for use in the the prevention and/or treatment of allergic diseases and the production of allergen-specific IgE synthesis. A method for the prevention and/or treatment of allergic diseases is also provided.