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Simlukafusp alfa (FAP-IL2v) is a tumor-targeting immune cytokine, a human IgG1 antibody, with antitumor activity and immunostimulatory properties that potentiate in vitro and in vivo activity of therapeutic antibodies mediating antibody-dependent or T-cell-independent cytotoxicity (TDCC) and programmed death ligand 1 (PD-L1) checkpoint inhibition.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
1 mg | 1.415 € | In Stock | |
5 mg | 3.600 € | In Stock |
Description | Simlukafusp alfa (FAP-IL2v) is a tumor-targeting immune cytokine, a human IgG1 antibody, with antitumor activity and immunostimulatory properties that potentiate in vitro and in vivo activity of therapeutic antibodies mediating antibody-dependent or T-cell-independent cytotoxicity (TDCC) and programmed death ligand 1 (PD-L1) checkpoint inhibition. |
Targets&IC50 | FAP (human):0.3 nM (KD), FAP (cynomolgus monkeys):0.23 nM (KD), IL-2Rβγ (mouse):660 pM (KD), FAP (mouse):0.5 nM (KD), IL-2Rβγ (cynomolgus monkeys):80 pM (KD), IL-2Rβγ (human):43 pM (KD) |
In vitro | The binding constants of Simlukafusp alfa to IL-2Rβγ and FAP receptors of different species were as follows: huIL-2Rβγ: 43 pM; cyIL-2Rβγ: 80 pM; muIL-2Rβγ: 660 pM; huFAP: 0.3 nM; cyFAP: 0.23 nM; muFAP: 0.5 nM. In in vitro experiments, Simlukafusp alfa (0-100 nM; 5 days of treatment) was able to activate CD4+ and CD8+ T cells as well as NK cells, but did not preferentially activate Tregs. furthermore, Simlukafusp alfa (0-100 nM) potentiated Cetuximab-mediated antibody-dependent cellular cytotoxicity in vitro (ADCC ) and Cibisatamab-mediated T cell-dependent cytotoxicity (TDCC). [1] |
In vivo | In a mouse model of human cancer, Simlukafusp alfa administered intravenously at a dose of 1 mg/kg once a week for 4 weeks demonstrated significant efficacy when combined with therapeutic antibodies. [1] |
Alias | RO6874281, RO 6874281, RG-7461, FAP-IL2v, FAPIL2v, aFAP-IL2v |
Cas No. | 1776942-10-9 |
Storage | store at low temperature | store at -20°C | Shipping with blue ice. |
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