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Cat. Number
065945852296297
Chemical Name
Orexin 2 Receptor STEP Reporter Assay Kit (Luminescence)
References
Synonyms
  • OX2R
Stability 1 year
Storage -80°C
Shipping Dry ice in continental US; may vary elsewhere

Background Reading

Thannickal, T.C., Moore, R.Y., Nienhuis, R., et al. Reduced number of hypocretin neurons in human narcolepsy. Neuron 27 469-474 (2000).

de Lecea, L., Kilduff, T.S., Peyron, C., et al. The hypocretins: Hypothalamus-specific peptides with neuroexcitatory activity. Proc Natl Acad Sci USA 95 322-327 (1998).

Sakurai, T., Amemiya, A., Ishii, M., et al. Orexins and orexin receptors: A family of hypothalamic neuropeptides and G protein-coupled receptors that regulate feeding behavior. Cell 92 573-585 (1998).

Rodgers, R.J., Ishii, Y., Halford, J.C.G., et al. Orexins and appetite regulation. Neuropeptides 36(5) 303-325 (2002).

Xie, X., Wisor, J.P., Hara, J., et al. Hypocretin/orexin and nociceptin/orphanin FQ coordinately regulate analgesia in a mouse model of stress-induced analgesia. J Clin Invest 118(7) 2471-2481 (2008).

Tsujino, N., and Sakurai, T. Orexin/hypocretin: A neuropeptide at the interface of sleep, energy homeostasis, and reward system. Pharmacol Rev 61 162-176 (2009).

Harris, G.C., Wimmer, M., and Aston-Jones, G. A role for lateral hypothalamic orexin neurons in reward seeking. Nature 437 556-559 (2005).

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600250-1ea
96-Well Solid Plate (black) with lid
SEAP Substrate (Luminescence) 15 mL
Orexin-A Positive Control 10 µL
Orexin 2 Receptor STEP Strip Plate
Size Global Purchasing
100 tests  

Description

The Orexin 2 Receptor (OX2R) may be an important therapeutic target for treatment of sleep disorders, obesity, emotional stress, and addiction. Cayman’s Orexin 2 Receptor STEP Reporter Assay Kit (Luminescence) consists of a 96-well plate coated with both OX2R and Secretory Alkaline Phosphatase (SEAP) reporter constructs (OX2R STEP Plate). Cells grown on the STEP complex will express OX2R at the cell surface. Binding of agonists to OX2R initiates a signal transduction cascade resulting in expression of SEAP which is secreted into the cell culture medium. Aliquots of culture medium are removed at time intervals beginning at about 24 hours and SEAP activity is measured following addition of a luminescence-based alkaline phosphatases substrate provided in the kit. The kit is easy to use and can be easily adapted to high throughput screening for therapeutic compounds regulating activation of OX2R. A known OX2R agonist, Orexin-A, is included in the kit for use as a positive control. The kit provides sufficient reagent to measure SEAP activity at three time points, using the black plates provided.
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