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C5808

Sigma-Aldrich

Cortistatin-14

≥97% (HPLC)

Synonym(s):

CST-14, Pro-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Ser-Ser-Cys-Lys [Disulfide bridge: 2–13]

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About This Item

Empirical Formula (Hill Notation):
C81H113N19O19S2
CAS Number:
Molecular Weight:
1721.01
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.77

Quality Level

Assay

≥97% (HPLC)

form

powder

mol wt

~_1.7 kDa

packaging

vial of 0.5 mg

solubility

1% acetic acid: 1 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

C[C@@H](O)[C@@H]1NC(=O)[C@H](CCCCN)NC(=O)[C@H](Cc2c[nH]c3ccccc23)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@H](Cc5ccccc5)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H](Cc6ccccc6)NC1=O)C(=O)N[C@@H](CCCCN)C(O)=O)NC(=O)[C@@H]7CCCN7

InChI

1S/C81H113N19O19S2/c1-46(103)67-80(117)95-59(38-49-24-9-4-10-25-49)73(110)96-62(42-101)76(113)97-63(43-102)77(114)99-65(79(116)90-56(81(118)119)30-15-18-34-84)45-121-120-44-64(98-68(105)53-31-19-35-86-53)78(115)89-54(28-13-16-32-82)69(106)94-61(40-66(85)104)75(112)92-57(36-47-20-5-2-6-21-47)71(108)91-58(37-48-22-7-3-8-23-48)72(109)93-60(39-50-41-87-52-27-12-11-26-51(50)52)74(111)88-55(70(107)100-67)29-14-17-33-83/h2-12,20-27,41,46,53-65,67,86-87,101-103H,13-19,28-40,42-45,82-84H2,1H3,(H2,85,104)(H,88,111)(H,89,115)(H,90,116)(H,91,108)(H,92,112)(H,93,109)(H,94,106)(H,95,117)(H,96,110)(H,97,113)(H,98,105)(H,99,114)(H,100,107)(H,118,119)/t46-,53+,54+,55+,56+,57+,58+,59+,60+,61+,62+,63+,64+,65+,67+/m1/s1

InChI key

DDRPLNQJNRBRNY-WYYADCIBSA-N

General description

Cortistatin-14 is a neuropeptide have structural similarity to somatostatin-14. It is produced in the cortex and hippocampus of central nervous system. In the peripheral system, it is produced in adrenal, thyroid, parathyroid, stomach, intestine, pancreas, testes, liver and kidney.

Application

Cortistatin-14 may be used in competition binding assay with sst4 receptors (CHO-sst4) of CHO cells and sst1 receptors (CHO-sst1).

Biochem/physiol Actions

Cortistatin-14, like somatostatin inhibits the physiological activity of hippocampal neurons. It binds and exerts its function through all the somatostatin receptors (sst1-sst5). It shows anticonvulsive and neuroprotective effect. Cortistatin-14 has remarkable anti-inflammatory properties.
Somatostatin-like neuropeptide with neuronal depressant and sleep modulating properties. Exogenous cortistatin impairs short-term memory processing.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A cortical neuropeptide with neuronal depressant and sleep-modulating properties
de Lecea L, et al.
Nature, 381(6579), 242-242 (1996)
Comparison of the anti-inflammatory and anti-nociceptive effects of cortistatin-14 and somatostatin-14 in distinct in vitro and in vivo model systems
Markovics A, et al.
Journal of Molecular Neuroscience, 46(1), 40-50 (2012)
Cortistatin and pituitary hormone secretion in rat
Baranowska B, et al.
Acta Physiologica Polonica, 60(1), 151-151 (2009)
J F Flood et al.
Brain research, 775(1-2), 250-252 (1998-01-24)
Cortistatin-14, a neuropeptide, is present primarily in the cortex and hippocampus. In the hippocampus, cortistatin-14 inhibits pyramidal cell firing and co-exists with GABA. To determine if cortistatin-14 would impair retention, saline or cortistatin-14 were injected intracerebroventricularly after footshock avoidance training
J R Criado et al.
Journal of neuroscience research, 56(6), 611-619 (1999-06-22)
Cortistatin-14 (CST-14) is a putative novel neuropeptide that shares 11 of its 14 residues with somatostatin-14 (SRIF-14), yet its effects on sleep physiology, locomotor behavior and hippocampal function are different from those of somatostatin. We studied the structural basis for

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