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Catalog Products » Other Products » Stable Cell Lines » Human Recombinant NK1 Tachykinin Receptor Stable Cell Line

CHO-K1/NK1 Stable Cell Line

Synonyms Human Recombinant NK1 Tachykinin Receptor Stable Cell Line
Description Tachykinins are peptides sharing the common C-terminal amino acid sequence Phe-X-Gly-Leu-Met-NH2. This neuropeptide family is composed of substance P, neurokinin A, and neurokinin B, which are widely distributed in mammalian central and peripheral nervous systems. It plays a role as both a neurotransmitter and a neuromodulator. Their actions are mediated by binding with three distinct receptors, namely, NK1, NK2, and NK3. NK1 has high affinity with substance P. In the CNS, NK1 has been implicated to play a role in regulating neuronal survival and degeneration. In the cardiovascular system, NK1 mediates endothelium-dependent vasodilatation and plasma protein extravasations. In the gastrointestinal system, NK1 receptors mediate intestinal motility, secretion, and vascular functions. SP-NK1 receptor communication is also involved in glioma development and progression. NK1 receptor antagonists may have several therapeutic applications in diseases mediated by tachykinins, such as pulmonary disorders, gut disorders, and the pathophysiology of depression.
Species Human
Culture Medium Ham's F12, 10% FBS, 400 μg/ml G418
Freeze Medium 45% culture medium, 45% FBS, 10% DMSO

Storage Liquid nitrogen immediately upon delivery

Functional assays for NK1 receptor

  • CHO-K1/NK1 Stable Cell Line
  • CHO-K1/NK1 Stable Cell Line

    Figure 1. substance-P (SAR 9)-induced concentration-dependent stimulation of intracellular calcium mobilization in CHO-K1/NK1 cells. The cells were loaded with Calcium-4 prior to stimulation with an NK1 receptor agonist, substance-P (SAR 9). The intracellular calcium change was measured by FLIPR. The effects of agonist (%Stimulation) were plotted against the log of the cumulative doses (5-fold dilution) of substance-P (SAR 9) (Mean ± SD, n = 4). The EC50 of substance-P (SAR 9) on CHO-K1/NK1 in CHO-K1 cells was 6.15 nM. The S/B of substance-P (SAR 9) on NK1 in CHO-K1 cells was 7.5.

Cat. No.
Product Name
[Sar9]-Substance P - 1 mg
[Nle11]-Substance P - 1 mg
Substance P - 5 mg

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Cat. No. M00199
2 vials $8500.00