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BIBP 3226 trifluoroacetate
Mixed non-peptide neuropeptide Y Y1 (NPY Y1) and neuropeptide FF (NPFF) receptor antagonist (Ki values are 1.1, 79, 108, > 1000, > 1000 and >1000 for rNPY Y1, hNPFF2, rNPFF, rNPY Y2, rNPY Y4 and rNPY Y5 respectively). Produces an anxiogenic-like effect in rats following i.c.v. administration.
This product is sold as a TFA salt. The exact stoichiometry of the salt is batch dependant.
|Storage||Store at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
|water||7.02||10 with sonication|
Preparing Stock Solutions
The following data is based on the product molecular weight 473.57. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||2.11 mL||10.56 mL||21.12 mL|
|5 mM||0.42 mL||2.11 mL||4.22 mL|
|10 mM||0.21 mL||1.06 mL||2.11 mL|
|50 mM||0.04 mL||0.21 mL||0.42 mL|
References are publications that support the biological activity of the product.
Kask et al (1996) Anxiogenic-like effect of the neuropeptide Y Y1 receptor antagonist BIBP3226: antagonism with D.pam. Eur.J.Pharmacol. 317 R3 PMID: 8997632
Mollereau et al (2001) Agonist and antagonist activities on human NPFF2 receptors of the NPY ligands GR231118 and BIBP3226. Br.J.Pharmacol. 133 1 PMID: 11325787
Fang et al (2006) In vivo inhibition of neuropeptide FF agonism by BIBP3226, an NPY Y1 receptor antagonist. Peptides 27 2207 PMID: 16762456
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14 Citations for BIBP 3226 trifluoroacetate
Citations are publications that use Tocris products. Selected citations for BIBP 3226 trifluoroacetate include:
Sparrow et al (2012) Central neuropeptide Y modulates binge-like ethanol drinking in C57BL/6J mice via Y1 and Y2 receptors. Proc Natl Acad Sci U S A 37 1409 PMID: 22218088
Reidelberger et al (2013) Role of peptide YY(3-36) in the satiety produced by gastric delivery of macronutrients in rats. Am J Physiol Endocrinol Metab 304 E944 PMID: 23482449
Zacharia et al (2013) High vascular tone of mouse femoral arteries in vivo is determined by sympathetic nerve activity via α1A- and α1D-adrenoceptor subtypes. PLoS One 8 e65969 PMID: 23776582
Yi et al (2012) Glucocorticoid signaling in the arcuate nucleus modulates hepatic Ins sensitivity. Diabetes 61 339 PMID: 22210324
Novielli et al (2012) Pre-diabetes augments neuropeptide Y1- and α1-receptor control of basal hindlimb vascular tone in young ZDF rats. PLoS One 7 e46659 PMID: 23071607
Pleil et al (2012) Chronic stress alters neuropeptide Y signaling in the bed nucleus of the stria terminalis in DBA/2J but not C57BL/6J mice. Neuropharmacology 62 1777 PMID: 22182779
Santos-Carvalho et al (2013) Neuropeptide Y receptors activation protects rat retinal neural cells against necrotic and apoptotic cell death induced by glutamate. Proc Natl Acad Sci U S A 4 e636 PMID: 23681231
Acton et al (2019) Spinal Neuropeptide Y1 Receptor-Expressing Neurons Form an Essential Excitatory Pathway for Mechanical Itch. Cell Rep 28 625 PMID: 31315043
Martins et al (2015) Activation of Neuropeptide Y Receptors Modulates Retinal Ganglion Cell Physiology and Exerts Neuroprotective Actions In Vitro. ASN Neuro 7 PMID: 26311075
Pleil et al (2015) NPY signaling inhibits extended amygdala CRF neurons to suppress binge alcohol drinking. Nat Neurosci 18 545 PMID: 25751534
Son et al (2011) Involvement of neuropeptide Y and its Y1 and Y5 receptors in maintaining self-renewal and proliferation of human embryonic stem cells. J Cell Mol Med 15 152 PMID: 19874423
Businaro et al (2018) Platelet Lysate-Derived Neuropeptide y Influences Migration and Angiogenesis of Human Adipose Tissue-Derived Stromal Cells. Sci Rep 8 14365 PMID: 30254326
Aveleira et al (2015) Neuropeptide Y stimulates autophagy in hypothalamic neurons. Cell Death Dis 112 E1642 PMID: 25775546
Ahsan Raza (2017) HIPP neurons in the dentate gyrus mediate the cholinergic modulation of background context memory salience. Nat Commun 8 189 PMID: 28775269
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Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* or download your copy today!
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Peptides Involved in Appetite Modulation Scientific Review
Written by Sonia Tucci, Lynsay Kobelis and Tim Kirkham, this review provides a synopsis of the increasing number of peptides that have been implicated in appetite regulation and energy homeostasis; putative roles of the major peptides are outlined and compounds available from Tocris are listed.