1. GPCR/G Protein
    Neuronal Signaling
  2. Orexin Receptor (OX Receptor)
  3. SB-334867

SB-334867 (Synonyms: SB 334867A)

Cat. No.: HY-10895
Handling Instructions

SB-334867 (SB 334867A) is an excellent,selective and blood–brain barrier permeable orexin-1 (OX1) receptor antagonist, shows selectivity over OX2 (pKb=7.4), 100-fold over 5-HT2B, 5-HT2C with pKi values of 5.4 and 5.3, respectively. SB-334867 reduces ethanol consumption and inhibits the acquisition of morphine-induced sensitization to locomotor activity in vivo.

For research use only. We do not sell to patients.

SB-334867 Chemical Structure

SB-334867 Chemical Structure

CAS No. : 249889-64-3

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Top Publications Citing Use of Products

Publications Citing Use of MCE SB-334867

    SB-334867 purchased from MCE. Usage Cited in: Front Neurosci. 2016 Jul 26;10:355.

    Effects of the orexin receptor type 1 (OX1R) antagonist SB334867 on the vestibular deficit syndrome after vestibular lesions induced by arsanilate (A) and IDPN (B) in rats.
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    Description

    SB-334867 (SB 334867A) is an excellent,selective and blood–brain barrier permeable orexin-1 (OX1) receptor antagonist, shows selectivity over OX2 (pKb=7.4), 100-fold over 5-HT2B, 5-HT2C with pKi values of 5.4 and 5.3, respectively[1]. SB-334867 reduces ethanol consumption and inhibits the acquisition of morphine-induced sensitization to locomotor activity in vivo[2][3].

    IC50 & Target[1]

    OX1

     

    In Vitro

    SB-334867 (100 pM– 10 μM) inhibits the orexin-A (10 nM) and orexin-B (100 nM)-induced calcium responses in a concentration-dependent manner, with apparent pKb values of 7.27±0.04 and 7.23±0.03, but has no effect on the calcium response elicited by UTP (3 μM), which activates an endogenous purinergic receptor in CHO-OX1 and CHO-OX2 cells[4].

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

    In Vivo

    SB-334867 (intraperitoneal injection; 20 mg/kg; 20 days) administers 15 min before morphine injection can significantly decrease the effect of the morphine challenge dose in mice in comparison with the sporadically morphine-treated group[2].
    SB334867 (intraperitoneal injection; 3, 10 and 30 mg/kg) significantly reduces ethanol intake relative to vehicle and does not effect water consumption in female P rats[3].
    SB334867 (intraperitoneal injection; 3, 10 and 30 mg/kg) reduces ethanol consumption at the 30 mg/kg dose, high dose suppresses sucrose intake relative to vehicle, and it results in lower blood ethanol concentrations (BECs) relative to both the 10 and 30 mg/kg doses[3].

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

    Animal Model: Male Swiss mice[2]
    Dosage: 20 mg/kg
    Administration: Intraperitoneal injection
    Result: Inhibited the acquisition of morphine-induced sensitization to locomotor activity of mice.
    Animal Model: C57BL/6J Mice[3]
    Dosage: 3, 10 and 30 mg/kg
    Administration: Intraperitoneal injection
    Result: Reduced ethanol consumption, BECs and suppressed sucrose intake in mice.
    Molecular Weight

    355.78

    Formula

    C₁₇H₁₄ClN₅O₂

    CAS No.

    249889-64-3

    SMILES

    O=C(NC1=CC(OC(C)=N2)=C2C=C1)NC3=CC=NC4=CC=CN=C43.Cl

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage

    Please store the product under the recommended conditions in the Certificate of Analysis.

    Solvent & Solubility
    In Vivo:
    • 1.

      SB-334867 is dissolved in the aCSF (in mM: 133.3 NaCl, 3.4 KCl, 1.3 CaCl2, 1.2 MgCl2, 0.6 NaH2PO4, 32.0 NaHCO3, and 3.4 glucose, with pH adjusted to 7.4)[5].

    References
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    Keywords:

    SB-334867SB 334867ASB334867SB 334867Orexin Receptor (OX Receptor)Hypocretin ReceptorHCRT ReceptorBECsucroseintakeethanollocomotoractivityCHOcellInhibitorinhibitorinhibit

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