Patent ID: 11897955
Assignee: ACROIMMUNE BIOTECH CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 17:
18. A method for preparing the monoclonal antibody or the derivative thereof according to claim 1, wherein the method comprises the following steps:
a) providing an expression vector, wherein the expression vector comprises a DNA molecule or a gene sequence coding the monoclonal antibody or the derivative thereof and an expression regulatory sequence operably linked to the DNA molecule or the gene sequence;
b) transfecting a host cell with the expression vector of step a);
c) culturing the host cell from step b) under conditions suitable for an expression of the monoclonal antibody; and
d) isolating, purifying, and collecting the monoclonal antibody or the derivative from a host cell culture medium by affinity chromatography.