Vandetanib (Zactima) Chemical Structure
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Cediranib (AZD2171) is a highly potent VEGFR2 inhibitor for VEGF-stimulated proliferation and KDR phosphorylation with IC50 of 0.4 nM and 0.5 nM, respectively.
CI-1033 is a potent tyrosine kinase inhibitor of EGFR and erbB2 with IC50 of 1.5 nM and 9.0 nM, respectively.
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Vandetanib (Zactima) is a VEGFR and EGFR antagonist and a tyrosine kinase inhibitor with IC50 of 60, 90, 40 nM for HUVEC proliferation, PC-9 cells and tyrosine kinase activity, respectively. In vitro, two cell lines (OZ and HuCCT1), both of which harboured KRAS mutation, were refractory to vandetanib, one cell line (TGBC24TKB) was somewhat resistant, and another cell line (TKKK) was sensitive. The most sensitive cell line (TKKK) had EGFR amplification. Vandetanib (25 mg /kg/ day) significantly prolonged the time to metastasis in an intravenous model of TKKK metastasis. [1][2]
| Molecular Weight (WM): | 475.35 |
|---|---|
| Formula: | C22H24BrFN4O2 |
| CAS No.: | 443913-73-3 |
| Synonyms: |
ZD6474
|
| Dissolve in (25°C): | DMSO ≥4mg/mL |
| Water <1mg/mL | |
| Ethanol ≥3mg/mL | |
| Storage: | 2 years-20°CPowder |
| 1 week-4°Cin DMSO | |
| 1 month-80°in DMSO |
A collection of 864 bioactive compounds
A collection of 481 inhibitors
A collection of 194 kinase inhibitors
A collection of 85 tyrosine kinase inhibitors.
A collection of 426 FDA approved drugs
A collection of 139 natural products
A collection of 40 chemotherapeutic agents
A unique collection of 17 small molecule modulators
A unique collection of 47 small molecule inhibitors
A unique collection of 63 GPCR small molecules

| Vandetanib reduced extracellular nitrite levels in endothelial cells. MS1 endothelial cells (ECs) were incubated with 1 mol/L of vandetanib or matched vehicle (dimethyl sulfoxide [DMSO]), 50 ng/mL of vascular endothelial growth factor (VEGF) or matched vehicle (PBS; 0.5 hours), and L-arginine and soluble N-ethylmaleamide sensitive factor attachment protein (SNAP) added (1.5 hours). Vandetanib lowered nitrite levels in MS1 Ecs (*P0.0003). VEGF was used a positive control and increased nitrite levels (**P0.02). These findings indicate that vandetanib lowered endothelial cell NO levels. |
Data from [hypertension 2011.July;58:85-92] Vandetanib (Zactima) purchased from Selleck

| Vandetanib reduced phosphorylation of Akt in endothelial cells (ECs). MS1 ECs were incubated with 1 mol/L of vandetanib or matched vehicle (dimethyl sulfoxide [DMSO]; 1 hour). Western blotting analysis showed that vandetanib decreased phosphorylation of Akt (S473) in MS1 ECs (*P0.01; n6 per group, studies done in triplicate). These findings show that vandetanib reduced Akt activity. |
Data from [hypertension 2011.July;58:85-92] Vandetanib (Zactima) purchased from Selleck

Vandetanib increases membrane localization of endothelial NO synthase (eNOS). MS1 endothelial cells (ECs) were incubated with 1 mol/L of vandetanib or matched vehicle (dimethyl sulfoxide [DMSO]). Western blotting analysis showed that vandetanib increases membrane localization of eNOS compared with control (*P0.04; n4 per group, studies done in triplicate). These findings show that vandetanib increased the membrane localization of eNOS compared with control. |
Vandetanib increases membrane localization of endothelial NO synthase (eNOS). MS1 endothelial cells (ECs) were incubated with 1 mol/L of vandetanib or matched vehicle (dimethyl sulfoxide [DMSO]). Western blotting analysis showed that vandetanib increases membrane localization of eNOS compared with control (*P0.04; n4 per group, studies done in triplicate). These findings show that vandetanib increased the membrane localization of eNOS compared with control.
Data from [hypertension 2011.July;58:85-92] Vandetanib (Zactima) purchased from Selleck

Breast cancer cells were pretreated with 100ng/ml EGF for 15 min and then treated with the indicated concentrations of Vandetanib for 24 hours.
|
Breast cancer cells were pretreated with 100ng/ml EGF for 15 min and then treated with the indicated concentrations of Vandetanib for 24 hours.
Data independently produced by Dr. Zhang of Tianjin Medical University Vandetanib (Zactima) purchased from Selleck
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