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Nocistatin (human)

Human putative counterpart of nocistatin CAS# 212609-11-5

Nocistatin (human)

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Chemical structure

Nocistatin (human)

3D structure

Chemical Properties of Nocistatin (human)

Cas No. 212609-11-5 SDF Download SDF
PubChem ID 90479770 Appearance Powder
Formula C149H238N42O53S3 M.Wt 3561.93
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Sequence MPRVRSLFQEQEEPEPGMEEAGEMEQKQLQ
SMILES CC(C)CC(C(=O)NC(CCC(=O)N)C(=O)O)NC(=O)C(CCC(=O)N)NC(=O)C(CCCCN)NC(=O)C(CCC(=O)N)NC(=O)C(CCC(=O)O)NC(=O)C(CCSC)NC(=O)C(CCC(=O)O)NC(=O)CNC(=O)C(C)NC(=O)C(CCC(=O)O)NC(=O)C(CCC(=O)O)NC(=O)C(CCSC)NC(=O)CNC(=O)C1CCCN1C(=O)C(CCC(=O)O)NC(=O)C2CCCN2C(=O)C(CCC(=O)O)NC(=O)C(CCC(=O)O)NC(=O)C(CCC(=O)N)NC(=O)C(CCC(=O)O)NC(=O)C(CCC(=O)N)NC(=O)C(CC3=CC=CC=C3)NC(=O)C(CC(C)C)NC(=O)C(CO)NC(=O)C(CCCNC(=N)N)NC(=O)C(C(C)C)NC(=O)C(CCCNC(=N)N)NC(=O)C4CCCN4C(=O)C(CCSC)N
Standard InChIKey OEZVAQPRAUPWHZ-FBGOCWIPSA-N
Standard InChI InChI=1S/C149H238N42O53S3/c1-73(2)67-97(136(232)183-96(147(243)244)33-46-108(156)197)184-132(228)86(32-45-107(155)196)169-122(218)79(23-14-15-58-150)168-125(221)83(29-42-104(152)193)170-129(225)90(38-51-115(208)209)176-134(230)93(57-66-247-10)178-124(220)82(34-47-111(200)201)166-109(198)70-163-120(216)76(7)165-121(217)87(35-48-112(202)203)172-130(226)89(37-50-114(206)207)175-133(229)92(56-65-246-9)167-110(199)71-164-140(236)101-26-18-62-190(101)146(242)95(41-54-118(214)215)182-142(238)103-28-20-63-191(103)145(241)94(40-53-117(212)213)181-131(227)91(39-52-116(210)211)174-126(222)84(30-43-105(153)194)171-128(224)88(36-49-113(204)205)173-127(223)85(31-44-106(154)195)177-138(234)99(69-77-21-12-11-13-22-77)186-137(233)98(68-74(3)4)185-139(235)100(72-192)187-123(219)80(24-16-59-161-148(157)158)180-143(239)119(75(5)6)188-135(231)81(25-17-60-162-149(159)160)179-141(237)102-27-19-61-189(102)144(240)78(151)55-64-245-8/h11-13,21-22,73-76,78-103,119,192H,14-20,23-72,150-151H2,1-10H3,(H2,152,193)(H2,153,194)(H2,154,195)(H2,155,196)(H2,156,197)(H,163,216)(H,164,236)(H,165,217)(H,166,198)(H,167,199)(H,168,221)(H,169,218)(H,170,225)(H,171,224)(H,172,226)(H,173,223)(H,174,222)(H,175,229)(H,176,230)(H,177,234)(H,178,220)(H,179,237)(H,180,239)(H,181,227)(H,182,238)(H,183,232)(H,184,228)(H,185,235)(H,186,233)(H,187,219)(H,188,231)(H,200,201)(H,202,203)(H,204,205)(H,206,207)(H,208,209)(H,210,211)(H,212,213)(H,214,215)(H,243,244)(H4,157,158,161)(H4,159,160,162)/t76-,78-,79-,80-,81-,82-,83-,84-,85-,86-,87-,88-,89-,90-,91-,92-,93-,94-,95-,96-,97-,98-,99-,100-,101-,102-,103-,119-/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of Nocistatin (human)

DescriptionHuman putative counterpart of nocistatin (bovine). Blocks nociceptin-induced allodynia and hyperalgesia.

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References on Nocistatin (human)

Identification of human, rat and mouse nocistatin in brain and human nocistatin in brain and human cerebrospinal fluid.[Pubmed:10380976]

Neuroreport. 1999 May 14;10(7):1537-41.

Nocistatin was recently isolated from bovine brain and shown to block hyperalgesia and allodynia induced by nociceptin and prostaglandin (PG) E2. The counterparts of human, rat and mouse are deduced from their precursor prepronociceptin to be 30, 35, and 41 residue peptide respectively. To identify these mature forms of nocistatin, three peptides were synthesized and a detection program for nocistatin was developed, using high pressure liquid chromatography (HPLC) along with specific radioimmunoassay (RIA). Nocistatin extracted from human, rat and mouse brain were subjected to HPLC and nocistatin-like immunoreactivity (NST-IR) was determined. All three species showed two NST-IR peaks, one of which coincided with that of the corresponding putative nocistatin. The same NST-IR was also detected in human cerebrospinal fluid (CSF).

Identification of mature nocistatin and nociceptin in human brain and cerebrospinal fluid by mass spectrometry combined with affinity chromatography and HPLC.[Pubmed:16043263]

Peptides. 2006 Jan;27(1):122-30.

Nocistatin (NST) and nociceptin/orphanin FQ (NCP) are two important bio-peptides derived from the precursor protein prepronociceptin (ppNCP), involved in several central nervous system (CNS) functions including pain transmission. Since the actual form of human NST in CNS is not fully characterized, we studied the structure of NST from human brain tissue and cerebrospinal fluid (CSF) samples. NST and NCP were isolated from human brain and CSF samples by affinity chromatography combined with HPLC. Mass spectrometry was used for the identification and characterization of the peptides. The total NST immunoreactivity was detected as 11.5+/-2.3 pmol/g tissue for the brain and 0.44 pmol/ml for the pooled CSF sample after the HPLC purification by radioimmunoassay. The presence of two different forms of mature nocistatin (NST-17 and NST-30) and a possible N-terminal methionine cleaved NST-29 were confirmed by both radioimmunoassay and mass spectrometry. Affinity chromatography, HPLC and mass spectrometry methods used in this study were highly sensitive and suitable for identification of actual chemical structures and quantification of very small amounts of peptides in biological samples. The present findings may help further for search for new treatment of neuropathic pain, which is often poorly managed by current therapies.

Anti-nociceptive responses produced by human putative counterpart of nocistatin.[Pubmed:9720768]

Br J Pharmacol. 1998 Jul;124(6):1016-8.

b-nocistatin is a heptadecapeptide produced from bovine prepronociceptin and blocks the induction of hyperalgesia and touch-evoked pain (allodynia) by intrathecal administration of nociceptin or prostaglandin E2 (PGE2). Human prepronociceptin may generate a 30-amino acid peptide different in length from b-nocistatin. Here, we examine whether the human putative counterpart of nocistatin (h-nocistatin) possessed the same biological activities as b-nocistatin. Simultaneous intrathecal injection of h-nocistatin in mice blocked the induction of allodynia by nociceptin and PGE2 in a dose-dependent manner with ID50 values of 329 pg kg(-1) and 16.6 ng kg(-1), respectively. h-nocistatin was about 10 times less potent than b-nocistatin. h-nocistatin also attenuated the nociceptin- and PGE2-induced hyperalgesia. These results demonstrate that h-nocistatin is biologically active and may be involved in the processing of pain at the spinal level in humans.

Nocistatin: a novel neuropeptide encoded by the gene for the nociceptin/orphanin FQ precursor.[Pubmed:10998544]

Peptides. 2000 Jul;21(7):1101-9.

We identified a novel neuropeptide and named it "nocistatin." Its presence was expected by analysis of the precursor for the neuropeptide nociceptin or orphanin FQ (Noc/OFQ), previously identified as an endogenous ligand for the orphan opioid receptor-like receptor. The precursor prepronociceptin/orphanin FQ (ppNoc/OFQ) comprises at least two bioactive peptides, nocistatin and Noc/OFQ. Noc/OFQ is involved in a broad range of pharmacological actions in various tissues from the central nervous system to the periphery. In pain transmission, Noc/OFQ is reported to have different effects including nociception, no effect, and analgesia, depending on the animal species tested, doses, route of administration, and so on. We found that intrathecal administration of Noc/OFQ induced pain responses including allodynia and hyperalgesia. Simultaneous administration of nocistatin blocked the allodynia and hyperalgesia induced by Noc/OFQ, whereas anti-nocistatin antibody decreased the threshold for the Noc/OFQ-induced allodynia. The endogenous heptadecapeptide nocistatin was isolated from bovine brains and recently identified in mouse, rat, and human brain and in human cerebrospinal fluid. Although human, rat and mouse ppNoc/OFQ produced larger respective counterparts with 30, 35, and 41 amino acid residues, all peptides showed the antinociceptive activity. This activity was ascribed to the carboxyl-terminal hexapeptide of nocistatin, Glu-Gln-Lys-Gln-Leu-Gln, which is conserved beyond species. Nocistatin also attenuated the allodynia and hyperalgesia evoked by prostaglandin E(2) and the inflammatory hyperalgesia induced by formalin or carrageenan/kaolin, and reversed the Noc/OFQ-induced inhibition of morphine analgesia at picogram doses. Furthermore, nocistatin counteracted the impairment of learning and memory induced by Noc/OFQ or scopolamine. Nocistatin is widely present in the spinal cord and brain. Although nocistatin did not bind to the Noc/OFQ receptor, it bound to the membrane of mouse brain and spinal cord with a high affinity. Nocistatin is a novel bioactive peptide produced from the same precursor as Noc/OFQ, and it plays important roles in the regulation of pain transmission and learning and memory processes in the central nervous system.

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