Talacotuzumab (JNJ 56022473; CSL 362) is an IgG1-type fully humanized, CD123-neutralizing monoclonal antibody containing a modified Fc structure. Talacotuzumab has KDs of 0.43 nM, 188 nM, 46 nM, 16.8 nM for CD123, CD32b/c, CD16-158F, CD16-158V, respectively. Talacotuzumab inhibits IL-3 binding to CD123, antagonizing IL-3 signaling in target cells. Talacotuzumab has mutated the Fc region to increase affinity for CD16 (FcγRIIIa), thereby enhancing antibody-dependent cell-mediated cytotoxicity (ADCC). Talacotuzumab is highly effective in vivo reducing leukemic cell growth in acute myeloid leukemia (AML) xenograft mouse models.
Cat.No
A262
Name
Talacotuzumab
Chemical Properties
CAS
1826831-79-1
Synonyms
Talacotuzumab;JNJ 56022473;CSL 362
pH value
Corresponds to reference standard: PASS
Non-reduced CE-SDS
>95%
SEC-HPLC
>95%
Isoelectric Point
Corresponds to reference standard
Bacterial Endotoxins Test
Residual Proteins of Host Cell
Exogenous Residual DNA
Residual protein A
Biological Activity
Osmolality
Corresponds to reference standard: PASS
Peptide mapping
Corresponds to reference standard: PASS
N-terminal sequence
Corresponds to reference standard: PASS
References
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