Industrial Technology Research Institute

Wei-Chun Chiu

Min-Yuan Chou

Ya-Ping Lai

A novel humanized antibody against the CD34 surface antigen on the human stem cells is provided. The humanized antibody contains a heavy chain variable region comprising an amino sequence as set forth in SEQ ID No. 1 and a light chain variable region comprising an amino sequence as set forth in SEQ ID No. 2. The disclosure also provides the applications of the disclosed humanized antibody.

Humanized anti-human CD34 monoclonal antibody and uses thereof

An amino acid sequence of a humanized monoclonal antibody includes an amino acid sequence of a light chain variable region, which includes SEQ ID. NO.: 1; and an amino acid sequence of a heavy chain variable region, which comprises SEQ ID. NO.: 2, wherein SEQ ID. NO.: 1 and SEQ ID. NO.: 2 have at least one amino acid substitution which is selected from a group consisting of isoleucine at position 10 of SEQ ID. NO.: 1, being substituted with threonine, lysine at position 18 of SEQ ID. NO.: 1, being substituted with arginine, lysine at position 2 of SEQ ID. NO.: 2, being substituted with glutamine, tryptophan at position 10 of SEQ ID. NO.: 2, being substituted with leucine, lysine at position 18 of SEQ ID. NO.: 2, being substituted with arginine and glutamic acid at position 41 of SEQ ID. NO.: 2, being substituted with glycine.

Humanized anti-human tumor necrosis factor alpha monoclonal antibody and sequence thereof

The embodiments of the invention relate to compositions, methods, and kits comprising a fusion protein. The fusion proteins of the embodiments include monomer polypeptides which in one embodiment have at least a binding domain, an optional hinge region, a collagen-like domain and the Fc domain of a human IgG.

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Zhubei, Taiwan

Wei-Chun Chiu