DIDS sodium salt (MDL101114ZA) is a dual ABCA1 and VDAC1 inhibitor. DIDS sodium salt is also an anion transport inhibitor, which inhibits the ClC-Ka chloride channel and the bacterial ClC-ec1Cl-/H+ exchanger with IC50s of 100 μM and ~300 μM, respectively. DIDS reduced the amplitude of spontaneous transient inward currents (STICs) in a concentration-dependent manner with IC50 value of 2.1 x 10-4 M for STICs. Moreover, DIDS was investigated for its action on contraction of cerebral artery smooth muscle cells. DIDS showed a vasodilator effect on pressure-constricted arteries with IC50 of 69 ± 14 μM.
| Molecular Weight | 498.48 |
| Formula | C16H8N2Na2O6S4 |
| CAS Number | 67483-13-0 |
| Form | Solid |
| Solubility (25°C) | DMSO ≥ 25 mg/mL |
| Storage | -20°C, dry, sealed |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related VDAC Products |
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| VBIT-4
VBIT-4 is a voltage-dependent anion channel (VDAC1) oligomer inhibitor with a Kd value of 17 μM.In addition, VBIT-4 is an inhibitor of apoptosis and can be used in studies related to neurodegenerative and cardiovascular diseases. |
| Tuvatexib
Tuvatexib is a dual VDAC/HK2 small molecule modulator for studies related to squamous cell carcinoma. |
| WEHI-9625
WEHI-9625 is a first-in-class tricyclic sulfone, first-in-class inhibitor of apoptosis with an EC50 of 69 nM. WEHI-9625 binds to VDAC2 and promotes its ability to inhibit apoptosis driven by mouse BAK. WEHI-9625 is completely inactive against both human BAK and the closely related apoptosis effector BAX. |
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