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Title:
DENDRITIC CELL VACCINE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP2000143534
Kind Code:
A
Abstract:

To obtain a safe and effective dendritic cell vaccine having antigen presentation activity and useful for leukemia, hepatic cancer, etc., by using a cell obtained by the cultivation and differentiation of a precursor cell of a dendritic cell as an active component.

A dendritic cell having antigen presentation activity and produced by culturing and differentiating (A) a cell suspension containing a precursor cell of a dendritic cell in the presence of (B) a differentiation inducing agent and (C) a chemokine is used as a main component of the objective vaccine. Preferably, the component B is a combination of granular macrophage colony stimulation factor (abbreviated as GM-CSF) and interleukin 4 (abbreviated as IL-4), a combination of GM-CSF, IL-4 and tumor necrosis factor (abbreviated as TNF-α) or a combination of GM-CSF, stem cell factor and TNF-α, the component A is marrow cell, cell originated from umbilical cord blood or peripheral blood monocyte and the component C is CC chemokine.


Inventors:
ENOMOTO MAKOTO
TAKAHASHI TSUNEO
Application Number:
JP32394498A
Publication Date:
May 23, 2000
Filing Date:
November 13, 1998
Export Citation:
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Assignee:
ASAHI CHEMICAL IND
International Classes:
A61K31/00; A61K39/00; A61P35/00; C12N5/00; C12N5/07; C12N5/0784; C12N5/0789; C12R1/91; (IPC1-7): A61K39/00; A61P35/00; C12N5/06