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Plerixafor 8HCl (AMD3100 8HCl) is a chemokine receptor antagonist for CXCR4 and CXCL12-mediated chemotaxis with IC50 of 44 nM and 5.7 nM, respectively. In vitro, Plerixafor inhibits CXCL12-mediated chemotaxis with a potency lightly better than its affinity for CXCR4. Plerixafor also antagonizes SDF-1/CXCL12 ligand binding with an IC50 of 651 nM. Plerixafor inhibits SDF-1 mediated GTP-binding, SDF-1 mediated calcium flux and SDF-1 stimulated chemotaxis with IC50 of 27 nM, 572 nM and 51 nM, respectively. A single topical application of Plerixafor promotes wound healing in diabetic mice by increasing cytokine production, mobilizing bone marrow EPCs, and enhancing the activity of fibroblasts and monocytes/macrophages, thereby increasing both angiogenesis and vasculogenesis. Cohorts of mice are administered with PBS, IGF1, PDGF, SCF, or VEGF for five consecutive days and Plerixafor on the 5th day. The number and size of the colonies are highest in IGF1 plus Plerixafor injected mice compared to PDGF, SCF and VEGF treated groups, in combination with Plerixafor.
| Cell Experiment | |
|---|---|
| Cell lines | OS cell lines (LM8 and Dunn) |
| Preparation method | MTT assay. The effects of CXCL12 and AMD3100 on the survival of two OS cell lines (LM8 and Dunn) were assessed using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Cells were seeded in 96-well plates at 2×10^3/well in DMEM-h. After overnight growth, the cells were cultured for 7 days in FBS-free medium in the presence of 0 or 100 ng/ml CXCL12, 30 μM AMD3100 alone or 100 ng/ml CXCL12 with 10, 20 or 30 μM AMD3100. The FBS-free cells without 100 ng/ml CXCL12 or AMD3100 served as the control group. After the 7 day incubation, 20 μl MTT (5 mg/ml; AbMole) was added into each well and incubated for 4 h at 37°C. Culture medium was removed and 150 μl dimethylsulfoxide was added. The optical density (OD) was then measured using a model ELx800 microplate reader at 490 nm. The cell viability was calculated using the equation: Cell viability (%) = (OD490nm of treatment/OD490nm of control) ×100%. |
| Concentrations | 30 μM |
| Incubation time | 7 days |
| Animal Experiment | |
|---|---|
| Animal models | orthotopic animal model of OS in Ten 4-week-old female C3H mice |
| Formulation | PBS |
| Dosages | 5 mg/kg every 2 days |
| Administration | tail vein injection |
| Molecular Weight | 794.47 |
| Formula | C28H54N8.8HCl |
| CAS Number | 155148-31-5 |
| Solubility (25°C) | Water 100 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related CXCR Products |
|---|
| Plerixafor (AMD3100)
Plerixafor (AMD3100) is a CXCR4 chemokine receptor antagonist. |
| WZ 811
WZ811 is a highly competitive CXCR4 antagonist with oral activity. WZ811 effectively inhibited CXCR4/SDF-1 (also known as CXCL12) -mediated regulation of cAMP level (EC50=1.2 nM) and SDF-1-induced matrix glue invasion (EC50=5.2 nM) in cells. |
| Navarixin
Navarixin (SCH 527123) is a novel, selective CXCR2 receptor antagonist with IC50 of 3 nM. Navarixin (SCH 527123) has Kd values of 41 nM for cynomolgus CXCR1 and 0.20 nM, 0.20 nM, 0.08 nM for mouse, rat and cynomolgus monkey CXCR2, respectivelly. |
| AMD3465 hexahydrobromide (AMD3465 )
AMD3465 hexahydrobromide（AMD3465 ) is an effective CXCR4 antagonist that inhibits 12G5 mAb in SupT1 cells. The IC50 values of CXCL12AF647 and CXCR4 were 0.75 nM and 18 nM, respectively. AMD 3465 also effectively inhibited X4 HIV replication (IC50, 1-10 nM), but not R5 HIV replication. |
| SB225002
SB225002 is a potent and selective non-peptide inhibitor of CXCR2 with IC50 of 22 nM and >150-fold selectivity over CXCR1 and four other 7-TMRs. |
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