MGA271
- Product Name
- MGA271
- CAS No.
- 1353485-38-7
- Chemical Name
- MGA271
- Synonyms
- MGA271;Enoblituzumab;MGA271|||TJ-271;Enoblituzumab (anti-CD276);Research Grade Enoblituzumab;Research Grade Enoblituzumab(DHJ04001)
- CBNumber
- CB13303237
- Formula Weight
- 0
- MOL File
- Mol file
MGA271 Property
- form
- Liquid
- color
- Colorless to light yellow
MGA271 Chemical Properties,Usage,Production
Uses
Enoblituzumab (MGA271) is a humanized IgG1κ monoclonal antibody recognizing human B7-H3 protein, a member of the B7 family of immune regulators[1].
in vivo
Enoblituzumab (5 mg/kg; i.v.; single dose) exhibits estimated half-life of 249 hours with a Cmax of 43 mg/mL in mice (mCD16-/-hCD16A+) that murine CD16 gene knocked out and are transgenic for human CD16A-158F[3].
Enoblituzumab (0.1-10 mg/kg; i.v.; once weekly; 5 weeks) exhibits potent antitumor activity in B7-H3-expressing xenograft mice models of renal cell and bladder carcinoma[3].
| Animal Model: | mCD16-/-hCD16A+ mice implanted with A498 renal cell carcinoma, 786-0 renal cell carcinoma, or HT-1197 bladder carcinoma cells (s.c.)[3] |
| Dosage: | 1 mg/kg, 5 mg/kg, 10 mg/kg |
| Administration: | Intravenous injection; once weekly; 5 weeks |
| Result: | Significantly inhibited tumor growth at doses of 1 mg/kg or greater with once weekly treatment. Achieved a cytostatic response at 5 or 10 mg/kg until day 52, after which the average tumor volume of the 5 mg/kg treatment group remained near predose administration levels, whereas a nonsignificant trend toward relapse exhibited in the 10 mg/kg group. |
References
[1] Hińcza-Nowak K, et al. Immune Profiling of Medullary Thyroid Cancer-An Opportunity for Immunotherapy. Genes (Basel). 2021 Sep 28;12(10):1534. DOI:10.3390/genes12101534
[2] Chapoval, et al. Immune Checkpoints of the B7 Family. Part 2. Representatives of the B7 Family B7-H3, B7-H4, B7-H5, B7-H6, B7-H7, and ILDR2 and Their Receptors. Russ J Bioorg Chem 45, 321–334 (2019).
[3] Loo D, et al. Development of an Fc-enhanced anti-B7-H3 monoclonal antibody with potent antitumor activity. Clin Cancer Res. 2012 Jul 15;18(14):3834-45. DOI:10.1158/1078-0432.CCR-12-0715
MGA271 Preparation Products And Raw materials
Raw materials
Preparation Products
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