KE108

$800.00

Quantity:10mg

5 in stock

SKU: 1225018 Category: Tag:

Description

Product name: KE108

Catalog#: 1225018

Sequence: Tyr-cyclo(D-Dab-Arg-Phe-Phe-D-Trp-Lys-Thr-Phe)

M.W: 1276.49

M.F.: C67H85N15O11

Purity: 95%

Counter ion: Trifluoacetate

Format: Lyophilized powder

Description: All commercially available somatostatin analogs for clinical use have a preference for some but not all somatostatin receptor subtypes. We describe here the synthesis and evaluation in binding and cAMP assays with cell lines stably transfected with sst(1)-sst(5) of a new type of nonapeptide somatostatin analog with a reduced-sized and stabilized structure, Tyr(0)-(cyclo-D-Dab-Arg-Phe-Phe-D-Trp-Lys-Thr-Phe) (KE108). All five somatostatin receptors subtypes have an extremely high affinity for KE108, equivalent to SS-28 at sst(1) and two to four times higher than SS-28 at sst(2), sst(3), sst(4) and sst(5). Moreover, the compound has agonistic properties at all five subtypes, since it is able to inhibit the forskolin-stimulated cAMP production in sst(1)-sst(5) cells. It is stable for several hours in human serum. This analog may therefore represent a considerable improvement over commercially available somatostatin analogs as it will target all somatostatin receptor subtypes, a particular advantage for cancer-related applications, as human cancers can express concomitantly several somatostatin receptor subtypes.

 

Usage: For Scientific Research Use Only, Not for Human Use.

 

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