Pasireotide (L-aspartate salt)

Hersteller MedChem Express
Kategorie
Typ Inhibitors
Specific against other
Menge 5mg
ArtNr HY-79136-5mg
Eclass 6.1 30220300
Eclass 9.0 32160605
Lieferbar
Synonyms
SOM230 L-aspartate
CAS No.
396091-77-3
Purity
>98%
MW
1180309
Formula
C62H73N11O13
Solubility
10 mM in DMSO
Biological Description
Pasireotide(SOM 230) is a stable cyclohexapeptide somatostatin mimic that exhibits unique high-affinity binding to human somatostatin receptors (subtypes sst1/2/3/4/5, pKi=8.2/9.0/9.1/<7.0/9.9 respectively).
IC50 value: 8.2/9.0/9.1/<7.0/9.9(pKi, sst1/2/3/4/5) [1]
in vitro: SOM230 showed a lower potency of GH release inhibition (IC(50), 0.5 nM), compared with OCT (IC(50), 0.02 nM) and SRIF-14 (IC(50), 0.02 nM). A positive correlation was found between sst(2) but not sst(5) mRNA levels in the adenoma cells and the inhibitory potency of OCT on GH release in vivo and in vitro, and the effects of SOM230 and SRIF-14 in vitro [2]. In cultures of human fetal pituitary cells, SOM230 inhibited GH secretion by 42 +/- 9% (P = 0.002) but had no effect on TSH release. SOM230 inhibited GH release from GH-secreting adenoma cultures by 34 +/- 8% (P = 0.002), PRL by 35 +/- 4% from PRL-secreting adenomas (P = 0.01), and alpha-subunit secretion from nonfunctioning pituitary adenomas by 46 +/- 18% (P = 0.34) [3].
in vivo: On day 7, there was a decrease in serum insulin levels from 1.06 +/- 0.28 ug/L to 0.37 +/- 0.17 ug/L (P = .0128) and a significant increase in serum glucose from 4.2 +/- 0.45 mmol/L to 7.12 +/- 1.06 mmol/L (P = .0075) in the treatment group but no change in the control group [4]. In wild-type mice, both octreotide and pasireotide significantly attenuated knee joint swelling and histopathologic manifestations of arthritis to an extent comparable to that of dexamethasone. In SSTR2(-/-) mice, the antiinflammatory effects of both octreotide and pasireotide were completely abrogated [5].
Menge: 5mg
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