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trans-Ned 19 

Cat. No. M28230
trans-Ned 19  Structure
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Biological Activity

trans-Ned 19, a NAADP antagonist and TPC blocker, suppresses the calcium signal in human umbilical vein endothelial cells (HUVEC) and the rat aorta relaxation in response to low histamine concentrations.

Chemical Information
Molecular Weight 514.59
Formula C30H31FN4O3
CAS Number 1354235-96-3
Form Solid
Solubility (25°C) DMSO 100 mg/mL (ultrasonic and warming and heat to 60°C)
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
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.

References

[1] Mikołaj Nawrocki, et al. Cells. Trans-Ned 19-Mediated Antagonism of Nicotinic Acid Adenine Nucleotide-Mediated Calcium Signaling Regulates Th17 Cell Plasticity in Mice

[2] Chenxi Guo, et al. J Cell Sci. TPC2-mediated Ca2+ signaling is required for axon extension in caudal primary motor neurons in zebrafish embryos

[3] Sergei K Trufanov, et al. Cells. The Role of Two-Pore Channels in Norepinephrine-Induced [Ca2+]i Rise in Rat Aortic Smooth Muscle Cells and Aorta Contraction

[4] I L Zharkich, et al. Izv Akad Nauk Ser Biol. Suppression of Histamine-Induced Relaxation of Rat Aorta and Calcium Signaling in Endothelial Cells by Two-Pore Channel Blocker trans-NED19 and Hydrogen Peroxide

[5] Alexander F Kintzer, et al. Nature. Structure, inhibition and regulation of two-pore channel TPC1 from Arabidopsis thaliana

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