1299440-37-1

1299440-37-1 structure
1299440-37-1 structure
  • Name: Inebilizumab
  • Chemical Name: Inebilizumab
  • CAS Number: 1299440-37-1
  • Molecular Formula:
  • Molecular Weight:
  • Catalog: Signaling Pathways Antibody-drug Conjugate ADC Cytotoxin
  • Create Date: 2022-08-03 11:22:40
  • Modify Date: 2024-01-03 00:21:43
  • Inebilizumab is an anti-CD19 monoclonal antibody (mAb) with enhanced antibody-dependent cell-mediated cytotoxicity against B cells. Inebilizumab can be used for multiple sclerosis and neuromyelitis optica research[1].

Name Inebilizumab
Description Inebilizumab is an anti-CD19 monoclonal antibody (mAb) with enhanced antibody-dependent cell-mediated cytotoxicity against B cells. Inebilizumab can be used for multiple sclerosis and neuromyelitis optica research[1].
Related Catalog
In Vitro Inebilizumab is derived from the mouse anti-human mAb HB12b, which had already shown impressive activity in depletion of B cells in transgenic mice carrying the human CD19 gene (hCD19 Tg)[1]. Inebilizumab potently depletes CD19-expressing B cells, including primary human B cells, B cell lines derived from multiple tumor types, and neoplastic B cells[1]. Inebilizumab demonstrates equal or better activity than Rituximab (HY-P9913) in depletion of human primary B cells in autologous ADCC assays and shows potent ADCC activity against human in vitro-differentiated and primary plasma cells[1].
In Vivo Inebilizumab (MEDI-551) (0-10 mg/kg; i.v.; once) depletes B cells from blood and spleen by mouse macrophages in vivo and phagocytosis of murine B cells ex vivo[2]. Animal Model: huCD19/CD20 double Tg mice[2] Dosage: 0.5, 2, or 10 mg/kg Administration: Tail vein injection, once Result: Depleted B cells from blood and spleen, B-cell depletion in blood and spleen was maintained for more than 2 weeks after a single 10 mg/kg administration (better than Rituximab). Resulted in a substantial reduction (on average by 91.4% by day 3) in BM B220+muCD19+ B cells. Led to depletion of B cell by mouse macrophages.
References

[1]. Chen D, et al. Inebilizumab, a B Cell-Depleting Anti-CD19 Antibody for the Treatment of Autoimmune Neurological Diseases: Insights from Preclinical Studies. J Clin Med. 2016 Nov 24;5(12):107.

[2]. Herbst R, et al. B-cell depletion in vitro and in vivo with an afucosylated anti-CD19 antibody. J Pharmacol Exp Ther. 2010 Oct;335(1):213-22.

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