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Merck
CN

O6262

Orexin B rat, mouse

≥97% (HPLC)

别名:

Hypocretin 2

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关于此项目

经验公式（希尔记法）:
C126H215N45O34S
化学文摘社编号:
205599-76-4
分子量:
2936.40
UNSPSC Code:
51111800
NACRES:
NA.32
MDL number:
MFCD01635376
Biological source:
synthetic (organic)
Form:
powder
Assay:
≥97% (HPLC)

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SMILES string

S(CC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(

InChI

1S/C126H215N45O34S/c1-18-65(12)99(120(202)166-82(49-64(10)11)117(199)168-100(69(16)172)121(203)156-72(101(133)183)37-44-206-17)167-97(181)57-144-102(184)66(13)150-103(185)67(14)152-111(193)83(50-70-53-140-59-149-70)165-116(198)85(52-93(132)177)155-95(179)55-146-106(188)84(51-92(131)176)161-104(186)68(15)151-107(189)76(32-35-90(129)174)159-114(196)80(47-62(6)7)164-115(197)81(48-63(8)9)163-109(191)74(27-21-40-143-126(138)139)157-110(192)77(33-36-91(130)175)160-113(195)79(46-61(4)5)162-108(190)73(26-20-39-142-125(136)137)153-94(178)54-145-105(187)75(31-34-89(128)173)158-112(194)78(45-60(2)3)154-96(180)56-147-118(200)87-29-23-43-171(87)123(205)88-30-24-41-169(88)98(182)58-148-119(201)86-28-22-42-170(86)122(204)71(127)25-19-38-141-124(134)135/h53,59-69,71-88,99-100,172H,18-52,54-58,127H2,1-17H3,(H2,128,173)(H2,129,174)(H2,130,175)(H2,131,176)(H2,132,177)(H2,133,183)(H,140,149)(H,144,184)(H,145,187)(H,146,188)(H,147,200)(H,148,201)(H,150,185)(H,151,189)(H,152,193)(H,153,178)(H,154,180)(H,155,179)(H,156,203)(H,157,192)(H,158,194)(H,159,196)(H,160,195)(H,161,186)(H,162,190)(H,163,191)(H,164,197)(H,165,198)(H,166,202)(H,167,181)(H,168,199)(H4,134,135,141)(H4,136,137,142)(H4,138,139,143)/t65-,66-,67-,68-,69+,71-,72-,73-,74-,75-,76-,77-,78-,79-,80-,81-,82-,83-,84-,85-,86-,87-,88-,99-,100-/m0/s1

InChI key

RLVZFBVFVIDDPQ-GWQFQBPDSA-N

biological source

synthetic (organic)

sterility

non-sterile

assay

≥97% (HPLC)

form

powder

solubility

1% acetic acid: 1.00-1.04 mg/mL, clear, colorless, water: 1.00-1.04 mg/mL, clear, colorless

UniProt accession no.

O55232, O55241

shipped in

ambient

storage temp.

−20°C

Quality Level

200

Gene Information

mouse ... Hcrt(15171)
rat ... Hcrt(25723)

General description

Orexin A, also known as hypocretin 1 (hcrt1), is a 33 amino acid excitatory neuropeptide, localized in a small set of neurons in the perifornical area of the hypothalamus. It is synthesized from the precursor protein prepro-orexin in neurons. Orexin A binds to its G-protein-coupled receptor orexin-1 (OX1), which is also called as hcrt receptors 1 (hcrtr1).

Application

Orexin B rat, mouse has been used to test its effect on social interaction in the stress-resilient mice.

Biochem/physiol Actions

Activates OX2 receptors; both OX1 and OX2 receptors are involved in maintaining arousal; OX2 receptors appear to be inhibitory autoreceptors on orexin-containing neurons.
Orexins (hypocretins) comprise a family of hypothalamic peptides that are involved in the initiation of sleep and in feeding behavior. Orexin A stimulates food intake through activation of the OX1 receptor. Orexin B activates OX2 receptors. Both OX1 and OX2 receptors are involved in maintaining arousal. OX2 receptors appear to be inhibitory autoreceptors on orexin-containing neurons.
Orexins plays a vital role in several physiological functions including feeding, neuroendocrine regulation and arousal. In addition to this, it is also associated with the pathophysiology of narcolepsy. Orexin A, expressed in locus coeruleus (LC) area, binds to orexin-1 (OX1) receptor and regulates rapid eye movement (REM) sleep by acting on the firing rate of noradrenergic neurons. Orexin A release is regulated by suprachiasmatic nucleus (SCN).

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000467161
0000467161
098M4890V
039M4827V
018M4777V

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Orexin administration to mice that underwent chronic stress produces bimodal effects on emotion-related behaviors
Chung HS, et al.
Regulatory Peptides, 194, 16-22 (2014)
Hypocretin-1 modulates rapid eye movement sleep through activation of locus coeruleus neurons.
Bourgin P
The Journal of Neuroscience (2000)
Lesions of the suprachiasmatic nucleus eliminate the daily rhythm of hypocretin-1 release.
Zhang S
Sleep (2004)
Hoyoung An et al.
Journal of Alzheimer's disease : JAD, 58(1), 253-261 (2017-04-08)
Intracranial accumulation of amyloid-β (Aβ) is a characteristic finding of Alzheimer's disease (AD). It is thought to be the result of Aβ overproduction by neurons and impaired clearance by several systems, including degradation by microglia. Sleep disturbance is now considered
Xing Xiao et al.
Nature communications, 12(1), 5249-5249 (2021-09-04)
The wake-active orexin system plays a central role in the dynamic regulation of glucose homeostasis. Here we show orexin receptor type 1 and 2 are predominantly expressed in dorsal raphe nucleus-dorsal and -ventral, respectively. Serotonergic neurons in ventral median raphe

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