Catalog Number: 3436
Biological Activity
Potent neuropeptide Y (NPY) Y5 receptor agonist (pEC50 values are 7.82, 6.28, 6.44 and > 6 at rat Y5, Y4, Y1 and Y2 receptors respectively) that displays > 26-fold, > 1000-fold and > 1000-fold selectivity over Y1, Y2 and Y4 receptors respectively. Induces hyperphagia, body weight gain, adiposity, hypercholesterolemia, hyperinsulinemia and hyperleptinemia in vivo. Orally active.
Technical Data
  • M.Wt:
    4311.77
  • Formula:
    C196H289N55O56
  • Sequence:
    YPSKPDNPGEDAPAEDLARYYSALRHYINLITRWRY

    (Modifications: Trp-34 = D-Trp, Tyr-36 = C-terminal amide)

  • Solubility:
    Soluble to 0.20 mg/ml in 20% acetonitrile
  • Storage:
    Store at -20°C
  • CAS No:
    153549-84-9
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. [D-Trp34] neuropeptide Y is a potent and selective neuropeptide Y Y5 receptor agonist with dramatic effects on food intake.
    Parker et al.
    Peptides, 2000;21:393
  2. Characterization of neuropeptide Y (NPY) Y5 receptor-mediated obesity in mice: chronic intracerebroventricular infusion of D-Trp34NPY.
    Mashiko et al.
    Endocrinology, 2003;144:1793
  3. Responsiveness of obese Zucker rats to [D-Trp34]-NPY supports the targeting of Y5 receptor for obesity treatment.
    Beck et al.
    Nutr.Neurosci., 2007;10:211

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