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(+)-Bicuculline (Synonyms: NSC 32192)

カタログ番号GN10745

(+)-ビククリンは、GABA-A受容体の光感受性競合拮抗剤です。

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(+)-Bicuculline 化学構造

Cas No.: 485-49-4

サイズ 価格 在庫数 個数
10mM (in 1mL DMSO)
$54.00
在庫あり
50mg
$38.00
在庫あり
250mg
$144.00
在庫あり

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Sample solution is provided at 25 µL, 10mM.

Product has been cited by 2 publications

Description Protocol Chemical Properties Product Documents Related Products

(+)-Bicucline ((+)-Bicucline )) is a competitive GABAA receptor antagonist with an IC50 of 2μM [1]. (+)-Bicuculline also inhibits Ca2+-activated potassium channels [2]. (+)-Bicuculline reduces the effects of GABA without affecting the effects of glycine [3].

In vitro, (+)-Bicuculline (10 μM) treated primary cortical neuronal cells of rat E18 embryos for 15–60 min, enhanced neuronal synaptic NMDAR signaling, down-regulated STEP 61 expression, and accompanied the STEP substrate GluN 2B , increased tyrosine phosphorylation of Pyk 2 and ERK 1/2 [4]. (+)-Bicuculline (10μM) treatment of rat hippocampal neuron cells can cause calcium oscillations [5].

In vivo, (+)-Bicuculline (3.5mg/kg) treated Ovx rats via daily subcutaneous injection significantly reversed progesterone-induced cognitive decline and alleviated working memory impairment [6]. (+)-Bicuculline (1, 2, 4 mg/kg) affects the auditory steady-state response (ASSR) of SD rats through subcutaneous injection, dose-dependently reduces the ASSR signal, and significantly decreases within 10-30 minutes after administration Spectral Perturbation (ERSP) [7].

 

References:

[1]Collins M , Duke R , Huang S ,et al. Bilobalide, a sesquiterpene trilactone from Ginkgo biloba, is an antagonist at recombinant alpha1beta2gamma2L GABA(A) receptors.[J].European Journal of Pharmacology, 2003, 464(1):1-8.

[2]Khawaled R , Bruening-Wright A , Adelman J P ,et al.Bicuculline block of small-conductance calcium-activated potassium channels[J].Pflügers Archiv, 1999, 438(3):314-321.

[3]Johnston G A. Advantages of an antagonist: bicuculline and other GABA antagonists[J].British Journal of Pharmacology, 2013.

[4]Xu J1, Kurup P1, et al. Synaptic NMDA Receptor Activation Induces Ubiquitination and Degradation of STEP61 [J]. Mol Neurobiol. 2017.

[5]Maiorov S A, Kairat B K, Gaidin S G, et al. Activation of the Cannabinoid Receptors Suppresses Hyperexcitation of Rat Hippocampal Neuronal Networks In Vitro[J]. Biochemistry (Moscow), Supplement Series A: Membrane and Cell Biology, 2023, 17(2): 169-175.

[6]Blair B B , Kingston M L , Koenig E N ,et al. The GABAA antagonist bicuculline attenuates progesterone-induced memory impairments in middle-aged ovariectomized rats[J].Frontiers in Aging Neuroscience, 2015.

[7]Yamazaki M, Honda S, Tamaki K, et al. Effects of (+)-bicuculline, a GABAa receptor antagonist, on auditory steady state response in free-moving rats[J]. PLoS One, 2020, 15(7): e0236363.

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