2850355-94-9
Chemical Structure
Amulirafusp alfa
Synonym(s): IMM-0306
- CAS No.: 2850355-94-9
- Formula:N/A
- Molecular Weight:N/A
SMILES: [Amulirafusp alfa]
Biological Activity: Amulirafusp alfa (IMM-0306) is a fusion protein of CD20 monoclonal antibody (mAb) with the CD47 binding domain of SIRPα, with human CD20 Kd 2.45 nM and human CD47 Kd 4.91 nM. Amulirafusp alfa binds to CD20 and CD47 on B cells, engages FcɣR, blocks CD47-SIRPα interaction, activates macrophages, NK cells, and complement cascade, mediates phagocytosis and cytotoxicity, inhibits apoptosis of Jurkat-CSR cells, reverses IL-16 tumor-promoting effects, and binds human/cynomolgus CD47 but not mouse/rat CD47. Amulirafusp alfa can be used for the research of hematological malignancies, relapsed or refractory CD20-positive B-cell non-Hodgkin’s lymphoma, relapsed or refractory B-cell non-Hodgkin lymphoma, and activated B-cell-like diffuse large B-cell lymphoma[1][2][3][4].
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Amulirafusp alfa | 99.89% | Amulirafusp alfa (IMM-0306) is a fusion protein of CD20 monoclonal antibody (mAb) with the CD47 binding domain of SIRPα, with human CD20 Kd 2.45 nM and human CD47 Kd 4.91 nM. Amulirafusp alfa binds to CD20 and CD47 on B cells, engages FcɣR, blocks CD47-SIRPα interaction, activates macrophages, NK cells, and complement cascade, mediates phagocytosis and cytotoxicity, inhibits apoptosis of Jurkat-CSR cells, reverses IL-16 tumor-promoting effects, and binds human/cynomolgus CD47 but not mouse/rat CD47. Amulirafusp alfa can be used for the research of hematological malignancies, relapsed or refractory CD20-positive B-cell non-Hodgkin’s lymphoma, relapsed or refractory B-cell non-Hodgkin lymphoma, and activated B-cell-like diffuse large B-cell lymphoma. | ||||||||||||||||||||
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- [1]. Yu J, et al. IMM0306, a fusion protein of CD20 mAb with the CD47 binding domain of SIRPα, exerts excellent cancer killing efficacy by activating both macrophages and NK cells via blockade of CD47-SIRPα interaction and FcɣR engagement by simultaneously binding to CD47 and CD20 of B cells. Leukemia. 2023 Mar;37(3):695-698. [Content Brief]
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[2]. Lijuan Deng, et al. Phase Ib/IIa Study of Amulirafusp Alfa (IMM0306) in Combination with Lenalidomide in Patients with Relapsed or Refractory CD20-Positive B-Cell Non-Hodgkin's Lymphoma. Blood
Volume 144, Supplement 1, 5 November 2024, Page 3033. - [3]. Yang J, et al. Safety and efficacy of amulirafusp alfa (IMM0306), a fusion protein of CD20 monoclonal antibody with the CD47 binding domain of SIRPα, in patients with relapsed or refractory B-cell non-Hodgkin lymphoma: a phase 1/2 study. Journal of hematology & oncology. 2024 Dec 18;17(1):123. [Content Brief]
- [4]. Guan X, et al. Lymphoma cell-driven IL-16 is expressed in activated B-cell-like diffuse large B-cell lymphomas and regulates the pro-tumor microenvironment. Haematologica. 2025 Feb 1;110(2):425-438. [Content Brief]
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