1. GPCR/G Protein Neuronal Signaling
  2. Neurokinin Receptor
  3. Spantide I

Spantide I 是substance P 的类似物,是选择性的神经激肽-1 受体 (NK1 receptor) 的拮抗剂,其对NK1 和 NK2 受体的 Ki 值分别为 230 nM 和 8150 nM。Spantide I 可减少感染角膜的1型细胞因子和增强2型细胞因子 IL-10,从而显著减少角膜穿孔。

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Custom Peptide Synthesis

Spantide I Chemical Structure

Spantide I Chemical Structure

CAS No. : 91224-37-2

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1 mg ¥550
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5 mg ¥1650
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10 mg ¥2450
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Customer Review

Other Forms of Spantide I:

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Spantide I, a substance P analog, is a selective NK1 receptor antagonist, with Ki values of 230 nM and 8150 nM for NK1 and NK2 receptor, respectively. Spantide I provides an approach to reduce type 1 and enhance the type 2 cytokine IL-10 in the infected cornea, leading to a significant reduction in corneal perforation[1][2][3].

IC50 & Target[2]

NK1

230 nM (Ki)

NK2

8150 nM (Ki)

体内研究
(In Vivo)

Spantide I (50 and 100 nM perfused through the cerebral ventricles) causes a complete respiratory arrest in all of the examined animals[2].
Spantide I (36 μg/mouse, ip daily) significantly decreases the number of perforated corneas, bacterial counts, and PMNs. Spantide I also downregulates the mRNA levels for type I cytokines (e.g., IFN-γ) as well as MIP-2, IL-6, TNF-α, and IL-1β[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female, 8-week-old C57BL/6 (B6) and BALB/c mice[3].
Dosage: 36 μg/mouse.
Administration: IP on days -1 and 0 (day of infection) and daily through 5 days pi (post infection).
Result: At 3 and 5 days pi, compound-treated mice had significantly less severe ocular disease than did the PBS-treated mice.
Contained significantly fewer PMNs than the corneas of PBS-treated mice at 3 and 5 days pi.
Significantly reduced levels of corneal TNF-α mRNA at 3 and 5 days pi.
Significantly reduced the level of IL-18 mRNA at 1 day pi.
分子量

1497.79

Formula

C75H108N20O13

CAS 号
性状

固体

颜色

White to off-white

Sequence Shortening

{D-Arg}-PKPQQ-{D-Trp}-F-{D-Trp}-LL-NH2

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性数据
In Vitro: 

H2O 中的溶解度 : 100 mg/mL (66.77 mM; 超声助溶)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 0.6677 mL 3.3383 mL 6.6765 mL
5 mM 0.1335 mL 0.6677 mL 1.3353 mL
查看完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效
储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C储存时,请在6个月内使用,-20°C储存时,请在1个月内使用。

* 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

  • 摩尔计算器

  • 稀释计算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量
=
浓度
×
体积
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

动物溶解方案计算器
请输入动物实验的基本信息:

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

由于实验过程有损耗,建议您多配一只动物的量
计算结果
工作液所需浓度 : mg/mL
该产品水溶性佳,请具体参考实测 水 / PBS / Saline 中的溶解度数据。
您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
纯度 & 产品资料

纯度: 99.85%

参考文献

完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效
储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C储存时,请在6个月内使用,-20°C储存时,请在1个月内使用。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
H2O 1 mM 0.6677 mL 3.3383 mL 6.6765 mL 16.6913 mL
5 mM 0.1335 mL 0.6677 mL 1.3353 mL 3.3383 mL
10 mM 0.0668 mL 0.3338 mL 0.6677 mL 1.6691 mL
15 mM 0.0445 mL 0.2226 mL 0.4451 mL 1.1128 mL
20 mM 0.0334 mL 0.1669 mL 0.3338 mL 0.8346 mL
25 mM 0.0267 mL 0.1335 mL 0.2671 mL 0.6677 mL
30 mM 0.0223 mL 0.1113 mL 0.2226 mL 0.5564 mL
40 mM 0.0167 mL 0.0835 mL 0.1669 mL 0.4173 mL
50 mM 0.0134 mL 0.0668 mL 0.1335 mL 0.3338 mL
60 mM 0.0111 mL 0.0556 mL 0.1113 mL 0.2782 mL

* 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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产品名称:
Spantide I
目录号:
HY-P1194
需求量: