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Dicirenone

Catalog No. T13881 CAS 41020-79-5

Synonyms: SC26304

Dicirenone (SC26304) inhibits the Mineralocorticoid receptor (MR), aldosterone regulation of the urinary K+:Na+ ratio, and aldosterone binding to renal cytoplasmic and nuclear receptors.

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Dicirenone, CAS 41020-79-5

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1 mg	In stock	$ 700.00
5 mg	In stock	$ 1,800.00

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Purity: 99.1%

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Description

Dicirenone (SC26304) inhibits the Mineralocorticoid receptor (MR), aldosterone regulation of the urinary K+:Na+ ratio, and aldosterone binding to renal cytoplasmic and nuclear receptors.

In vivo

In glycerol density gradients, cytoplasmic [3H]Aldosterone receptor complexes sediment at 8.5 S and 4 S in low concentrations of salt and at 4.5 S in high concentrations of salt. Similarly, cytoplasmic [3H]Dicirenone receptor complexes sediment at 3 S in low concentrations of salt and 4 S in high concentrations of salt. The cytoplasmic binding of [3H]Aldosterone and [3H]Dicirenone is similar in magnitude and involves the same set of sites.
Under three sets of conditions - (i) in the intact rat, (ii) in kidney slices, and (iii) in reconstitution studies (mixing prelabeled cytoplasm with either purified renal nuclei or chromatin) - [3H]Dicirenone does not yield specific nuclear complexes, in contrast to the reproducible generation of these complexes with [3H]Aldosterone. Administration of Dicirenone (SC-26304) alone in doses of 3-600 μg/100 g of body weight has no effect on urinary Na+:creatinine or K+:creatinine ratios, expressed as urinary K+:Na+ ratios. Aldosterone (0.3 μg/100 g of body weight) increases the K+:Na+ ratio 5-fold. This increase is significantly inhibited by 180 μg/100 g of body weight of Dicirenone and completely inhibited by 600 μg/100 g of body weight. To correlate inhibitory action and receptor occupancy, the same doses of Dicirenone are given to rats injected with 0.036 μg of [3H]Aldosterone. A dose of 180 μg/100 g of body weight reduces specific binding of Aldosterone in cytoplasmic and nuclear fractions to less than half of the control levels, and 600 μg/100 g of body weight eliminates specific binding. The dose of Aldosterone used in the physiological studies is about eight times that used in the binding studies, but both doses are well below saturating amounts[1].

Synonyms	SC26304
Molecular Weight	428.56
Formula	C26H36O5
CAS No.	41020-79-5

Storage

store at low temperature

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

References and Literature

1. Marver D, et al. Renal aldosterone receptors: studies with (3H)aldosterone and the anti-mineralocorticoid (3H)spirolactone (SC-26304). Proc Natl Acad Sci U S A. 1974 Apr;71(4):1431-5.

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Keywords

Dicirenone 41020-79-5 Endocrinology/Hormones Membrane transporter/Ion channel ATPase Glucocorticoid Receptor SC26304 SC 26304 SC-26304 inhibitor inhibit

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