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A 71915 

Cat. No. M28178
A 71915  Structure
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Biological Activity

A 71915 is a highly potent and competitive natriuretic peptide receptor A (ANP, NPRA) antagonist (pKi= 9.18). A 71915 displaces [125I]ANP dose dependently, with a Ki of 0.65 nM. A71915( pA2= 9.48) against rat ANP-induced cGMP production in NB-OK-1 cells.

Chemical Information
Molecular Weight 1613.95
Formula C69H116N26O15S2
CAS Number 132956-87-7
Form Solid
Storage Store at ≤ -20°C, protect from light, dry, sealed
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] Jun Zhao, et al. J Renin Angiotensin Aldosterone Syst. The potential role of atrial natriuretic peptide in the effects of Angiotensin-(1-7) in a chronic atrial tachycardia canine model

[2] Jun Zhao, et al. J Renin Angiotensin Aldosterone Syst. Effects of the angiotensin-(1-7)/Mas/PI3K/Akt/nitric oxide axis and the possible role of atrial natriuretic peptide in an acute atrial tachycardia canine model

[3] Yun-Hui Ku, et al. Peptides. Inhibitory effect of atriopeptinergic neurons in AV3V region on angiotensinII pressor system in rat brain

[4] X P Ni, et al. Am J Physiol. Prevention of reflex natriuresis after acute unilateral nephrectomy by melanocortin receptor antagonists

[5] R Kumar, et al. Hypertension. Expression of guanylyl cyclase-A/atrial natriuretic peptide receptor blocks the activation of protein kinase C in vascular smooth muscle cells. Role of cGMP and cGMP-dependent protein kinase

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