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396091-76-2

396091-76-2 structure
396091-76-2 structure
  • Name: Pasireotide Acetate
  • Chemical Name: 662X0VFR9L
  • CAS Number: 396091-76-2
  • Molecular Formula: C60H70N10O11
  • Molecular Weight: 1107.258
  • Catalog: Signaling Pathways GPCR/G Protein Somatostatin Receptor
  • Create Date: 2018-07-04 06:47:30
  • Modify Date: 2024-01-13 00:10:45
  • Pasireotide (SOM230) acetate, a long-acting cyclohexapeptide somatostatin analogue, can improve agonist activity at somatostatin receptors (subtypes sst1/2/3/4/5, pKi=8.2/9.0/9.1/<7.0/9.9, respectively). Pasireotide acetate can suppress GH, IGF-I and ACTH secretion, indicating potential efficacy in acromegaly and Cushing's disease. Pasireotide acetate also exhibits antisecretory, antiproliferative, and proapoptotic activity[1][2][3].

Name 662X0VFR9L
Synonyms PASIREOTIDE ACETATE
662X0VFR9L
Cyclo[(2S)-2-phenylglycyl-D-tryptophyl-L-lysyl-O-benzyl-L-tyrosyl-L-phenylalanyl-(4R)-4-{[(2-aminoethyl)carbamoyl]oxy}-L-prolyl] acetate (1:1)
Cyclo[(2S)-2-phenylglycyl-D-tryptophyl-L-lysyl-O-(phenylmethyl)-L-tyrosyl-L-phenylalanyl-(4R)-4-[[[(2-aminoethyl)amino]carbonyl]oxy]-L-prolyl], acetate (1:1)
Description Pasireotide (SOM230) acetate, a long-acting cyclohexapeptide somatostatin analogue, can improve agonist activity at somatostatin receptors (subtypes sst1/2/3/4/5, pKi=8.2/9.0/9.1/<7.0/9.9, respectively). Pasireotide acetate can suppress GH, IGF-I and ACTH secretion, indicating potential efficacy in acromegaly and Cushing's disease. Pasireotide acetate also exhibits antisecretory, antiproliferative, and proapoptotic activity[1][2][3].
Related Catalog
Target

pKi: 8.2 (sst1), 9.0 (sst2), 9.1 (sst3), <7.0 (sst4), 9.9 (sst5)[1]

In Vitro Pasireotide acetate 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)[1]. Pasireotide acetate effectively inhibits the growth hormone releasing hormone (GHRH) induced growth hormone (GH) release in primary cultures of rat pituitary cells, with an IC50 of 0.4 nM[1].
In Vivo Pasireotide acetate (160 mg/kg/mouth; s.c. for 4 months) significantly decreases the serum insulin, increases serum glucose, reduces the tumor size and increases apoptosis in Pdx1-Cre[2]. Pasireotide acetate (2-50 μg/kg; s.c. twice daily for 42 days) exerts the antinociceptive and antiinflammatory actions via the SSTR2 receptor in a mouse model of immune-mediated arthritis[4]. Animal Model: 12 month-old conditional Men1 knockout mice with insulinoma[2] Dosage: 160 mg/kg/mouth Administration: S.c. every month for 4 months Result: Decreased the serum insulin from 1.060 μg/L to 0.3653 μg/L and increased the serum glucose from 4.246 mM to 7.122 mM. Significantly reduced the tumor size and increased apoptosis.
References

[1]. Lewis I, et, al. A novel somatostatin mimic with broad somatotropin release inhibitory factor receptor binding and superior therapeutic potential. J Med Chem. 2003 Jun 5;46(12):2334-44.

[2]. Quinn TJ, et, al. Pasireotide (SOM230) is effective for the treatment of pancreatic neuroendocrine tumors (PNETs) in a multiple endocrine neoplasia type 1 (MEN1) conditional knockout mouse model. Surgery. 2012 Dec;152(6):1068-77.

[3]. Differential antiinflammatory and antinociceptive effects of the somatostatin analogs octreotide and pasireotide in a mouse model of immune-mediated arthritis. Imhof AK, et, al. Arthritis Rheum. 2011 Aug;63(8):2352-62.

[4]. Schmid HA, et, al. Pasireotide (SOM230): development, mechanism of action and potential applications. Mol Cell Endocrinol. 2008 May 14;286(1-2):69-74.

[5]. Imhof AK, et, al. Differential antiinflammatory and antinociceptive effects of the somatostatin analogs octreotide and pasireotide in a mouse model of immune-mediated arthritis. Arthritis Rheum. 2011 Aug;63(8):2352-62.

Molecular Formula C60H70N10O11
Molecular Weight 1107.258
Exact Mass 1106.522583