ALX 40-4C Trifluoroacetate |
| Katalog-Nr.GC34386 |
ALX 40-4C Trifluoracetat ist ein kleiner Peptidinhibitor des Chemokinrezeptors CXCR4, hemmt SDF-1 an der Bindung von CXCR4 mit einem Ki von 1 μM und unterdrÜckt die Replikation von X4-StÄmmen von HIV-1; ALX 40-4C Trifluoracetat wirkt auch als Antagonist des APJ-Rezeptors mit einem IC50 von 2,9 μM.
Products are for research use only. Not for human use. We do not sell to patients.
Sample solution is provided at 25 µL, 10mM.
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ALX 40-4C Trifluoroacetate is a small peptide inhibitor of the chemokine receptor CXCR4, inhibits SDF-1 from binding CXCR4 with a Ki of 1 μM, and suppresses the replication of X4 strains of HIV-1; ALX 40-4C Trifluoroacetate also acts as an antagonist of the APJ receptor, with an IC50 of 2.9 μM.
ALX 40-4C Trifluoroacetate is a small peptide inhibitor of the chemokine receptor CXCR4, interacts with the second extracellular loop of CXCR4 and inhibits infection exclusively by blocking direct virus-CXCR4 interactions[1]. ALX 40-4C shows potent anti HIV-1 effect, with EC50s of 0.34 ± 0.04 μg/mL, 0.37 ± 0.01 μg/mL for HIV-1 NL4-3, NC10, and 0.18 ± 0.11 μg/mL, 0.06 ± 0.02 μg/mL for HIV-1 HXB2, HC43, respectively, and with a CC50 (50% cytotoxic concentration) of 21 μg/mL. ALX 40-4C also exhibits potent activity against env-recombinant HIV, with EC50s of 0.38 ± 0.01 μg/mL, 0.40 ± 0.0 μg/mL for HIV-1 NL4-3 env, NC10, and 1.34 ± 0.06 μg/mL, 1.02 ± 0.29 μg/mL for HIV-1 HXB2 env, HC43, and a CC50 of 21 μg/mL[2]. ALX 40-4C binds to APJ with an IC50 of 2.9 μM. ALX 40-4C inhibits HIV-1 gp120/APJ-mediated cell membrane fusion, with an IC50s of 3.41 μM and 3.1 μM for IIIB isolate and 89.6 isolate, respectively[3].
[1]. Doranz BJ, et al. Safe use of the CXCR4 inhibitor ALX40-4C in humans. AIDS Res Hum Retroviruses. 2001 Apr 10;17(6):475-86. [2]. Armand-Ugón M, et al. HIV-1 resistance to the gp41-dependent fusion inhibitor C-34. Antiviral Res. 2003 Jul;59(2):137-42. [3]. Zhou N, et al. Binding of ALX40-4C to APJ, a CNS-based receptor, inhibits its utilization as a co-receptor by HIV-1. Virology. 2003 Jul 20;312(1):196-203.
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