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硬骨鱼紧张肽 I

更新时间:2024-01-02 20:33:18

硬骨鱼紧张肽 I结构式
硬骨鱼紧张肽 I结构式
品牌特惠专场
常用名 硬骨鱼紧张肽 I 英文名 Urotensin I
CAS号 83930-33-0 分子量 4869.46
密度 1.5±0.1 g/cm3 沸点 1402.8±65.0 °C at 760 mmHg
分子式 C210H340N62O67S2 熔点 N/A
MSDS 美版 闪点 802.2±34.3 °C

 硬骨鱼紧张肽 I用途


Urotensin I 是由 41 个氨基酸组成的神经肽,结构与 CRF 类似,可与 CRF 受体结合,在细胞实验中,对人 CRF1,CRF2 和大鼠 CRF2α 受体的 pEC50 值分别为 11.46,9.36 和 9.85,对 hCRF1,rCRF2α 和 mCRF2β 受体的 Ki 值分别为 0.4,1.8 和 5.7 nM。

 硬骨鱼紧张肽 I名称

中文名 硬骨鱼紧张肽 I
英文名 Urotensin I
英文别名 更多

 硬骨鱼紧张肽 I生物活性

描述 Urotensin I 是由 41 个氨基酸组成的神经肽,结构与 CRF 类似,可与 CRF 受体结合,在细胞实验中,对人 CRF1,CRF2 和大鼠 CRF2α 受体的 pEC50 值分别为 11.46,9.36 和 9.85,对 hCRF1,rCRF2α 和 mCRF2β 受体的 Ki 值分别为 0.4,1.8 和 5.7 nM。
相关类别
靶点

pEC50: 11.46 (human CRF1, CHO cells), 9.36 (human CRF2, CHO cells), 9.85 (rat CRF2α, CHO cells)[1] Ki: 0.4 nM (hCRF1, cell assay), 1.8 nM (rCRF2α, cell assay), and 5.7 nM (mCRF2β, cell assay)[2]

体外研究 Urotensin I是一种41-aa神经肽,作为CRF受体的激动剂,CHO细胞中人CRF1,人CRF2和大鼠CRF2α受体的pEC50分别为11.46,9.36和9.85,Kis为0.4,1.8和5.7 nM分别为细胞试验中的hCRF1,rCRF2α和mCRF2β受体[2]。 Urotensin I与绵羊促肾上腺皮质激素释放因子和青蛙沙瓦金具有显着的序列同源性,具有强效的降血压活性和促肾上腺皮质激素释放活性[3]。 Urotensin I刺激从孤立的分散的金鱼垂体前叶细胞柱释放ACTH [4]。
参考文献

[1]. Smart D, et al. Characterisation using microphysiometry of CRF receptor pharmacology. Eur J Pharmacol. 1999 Aug 27;379(2-3):229-35.

[2]. Reul JM, et al. Corticotropin-releasing factor receptors 1 and 2 in anxiety and depression. Curr Opin Pharmacol. 2002 Feb;2(1):23-33.

[3]. Lederis K, et al. Complete amino acid sequence of urotensin I, a hypotensive and corticotropin-releasing neuropeptide from Catostomus. Science. 1982 Oct 8;218(4568):162-5.

[4]. Fryer J, et al. Urotensin I, a CRF-like neuropeptide, stimulates acth release from the teleost pituitary. Endocrinology. 1983 Dec;113(6):2308-10.

 硬骨鱼紧张肽 I物理化学性质

密度 1.5±0.1 g/cm3
沸点 1402.8±65.0 °C at 760 mmHg
分子式 C210H340N62O67S2
分子量 4869.46
闪点 802.2±34.3 °C
LogP -4.51
蒸汽压 0.0±0.3 mmHg at 25°C
折射率 1.669

 硬骨鱼紧张肽 I安全信息

个人防护装备 Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
危险品运输编码 NONH for all modes of transport

 硬骨鱼紧张肽 I文献3

更多文献
Differential expression of corticotropin-releasing factor (CRF) and urotensin I precursor genes, and evidence of CRF gene expression regulated by cortisol in goldfish brain.

Gen. Comp. Endocrinol. 116 , 461-477, (1999)

Corticotropin-releasing factor (CRF) and urotensin I (UI) precursor cDNAs were cloned and sequenced from a goldfish brain cDNA library in order to investigate the distribution of CRF and UI mRNAs in g...

Cardiovascular actions of centrally and peripherally administered trout urotensin-I in the trout.

Am. J. Physiol. Regul. Integr. Comp. Physiol. 279 , R484-R491, (2000)

The cardiovascular effects of centrally and peripherally administered synthetic trout urotensin (U)-I, a member of the corticotropin-releasing hormone family of neuroendocrine peptides, were investiga...

Singular contributions of fish neuroendocrinology to mammalian regulatory peptide research.

Regul. Pept. 93 , 3-12, (2000)

During the past 20 years, several bioactive peptides have been identified in teleost fishes that subsequently have been shown to play important regulatory roles in mammalian physiology. The urophysis,...

 硬骨鱼紧张肽 I英文别名

Catostomus urotensin I
H-Asn-Asp-Asp-Pro-Pro-Ile-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Asn-Met-Ile-Glu-Met-Ala-Arg-Ile-Glu-Asn-Glu-Arg-Glu-Gln-Ala-Gly-Leu-Asn-Arg-Lys-Tyr-Leu-Asp-Glu-Val-NH2
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