2. GPCR/G Protein Neuronal Signaling
  3. Dopamine Receptor
  4. Bromocriptine

Bromocriptine  (Synonyms: CB-154 free base)

目录号: HY-12705
产品使用指南

摩尔计算器

Bromocriptine 是一种有效的多巴胺 D2/D3 受体激动剂，结合多巴胺 D2 受体，pKi 为 8.05±0.2。

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Bromocriptine Chemical Structure

Bromocriptine Chemical Structure

CAS No. : 25614-03-3

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Bromocriptine 的其他形式现货产品:

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Other Forms of Bromocriptine:

Bromocriptine 相关抗体

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Dopamine Receptor D1 Receptor D2 Receptor D3 Receptor D4 Receptor D5 Receptor

  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

Bromocriptine is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.

IC50 & Target

pKi: 8.05±0.2 (dopamine D2 receptor)[1]
体外研究
(In Vitro)

Bromocriptine stimulates [35S]-GTPγS binding at D2 dopamine receptor expressed in CHO cells with pEC50 of 8.15±0.05[1]. Bromocriptine also is a strong inhibitor of brain nitric oxide synthase. The ergot alkaloid Bromocriptine (BKT) is found to act as a strong inhibitor of purified neuronal nitric oxide synthase (NOS) (IC50=10±2 μM) whereas it is poorly active towards inducible macrophage NOS (IC50>100 μM) [2]. Bromocriptine is found to inhibit the activity of at least one human cytochrome P450 enzyme. Bromocriptine is a potent inhibitor of CYP3A4 with a calculated IC50 value for the interaction of 1.69 μM[3].

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

Bromocriptine 相关抗体:
体内研究
(In Vivo)

Bromocriptine (a dopamine agonist) treatment (2 mg/kg, i.p.) group shows significant anti-immobility action as compared to control. When Bromocriptine administered 30 min after the last dose of 7 days MPE treatment and subjected to FST, this dopaminergic agonist produces significant and dose dependent potentiation of anti-immobility action of MPE (200 mg/kg, p.o.) as compared to MPE treatment alone. Bromocriptine (a dopamine agonist) treatment (2 mg/kg, i.p.) group shows a significant reduction of immobility time as compared to control. Bromocriptine administration after 7 days pretreatment with MPE (100 and 200 mg/kg, p.o.) shows significant and dose dependent potentiation of anti-immobility action of MPE as compared to MPE treatment alone[4]. Intraperitoneal administration of Bromocriptine induces a significant, dose dependent (0.1 mg and 1 mg/Kg) decrease in pain scores in CCI-IoN group when compared to sham and its effect lasted for 6 h. The highest dose induces the highest score decrease, (P<0.01). As a positive control SKF8129 (DR1 agonist) is used. Its intraperitoneal administration induces a non-significant increase in the SMA score when compared to sham (saline-injected). Intracisternal administration of Bromocriptine decreases significantly the SMA score when compared to sham (saline-injected). Bromocriptine effect lasted for 20 min. Intraperitoneal administration of Bromocriptine induces a significant dose dependent decrease in SMA score in CCI-IoN?+?6-OHDA lesioned group compared to that of sham. Its effect lasted for 6 h. SKF81297 administration increases the allodynic score. Intracisternal administration of Bromocriptine decreases significantly the SMA score compared to that of sham (saline-injected rats) and its effect lasted for 30 min[5].

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

654.59

Formula

C32H40BrN5O5
CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
纯度 & 产品资料
参考文献
Kinase Assay
[1]

The [35S]-GTPγS binding assay is carried out. Cell membranes (25 ±75 ug) are incubated in Buffer B containing 0.1 mM dithiothreitol (DTT) and 1 uM GDP and drugs in a volume of 0.9 mL for 30 min at 30°C. This preincubation ensures that the agonists tested are at equilibrium when the [35S]-GTPγS (50±150 pM, final concentration) is added (in 100 uL of Buffer B) to initiate the reaction. The assay mixture is incubated for a further 20 min unless otherwise stated. The assays are terminated by rapid filtration and bound radio-activity determined as described for the radio-ligand binding assays above. The total binding of [35S]-GTPγS is less than 20% of that added[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[4][5]

Mice[4]
Swiss mice (20-25 g) of either sex (total 150) are used. Bromocriptine mesylate is used as dopamine receptor (D2) agonist. Haloperidol is diluted in distilled water which is used for a vehicle of injection. Bromocriptine mesylate is dissolved in one drop of glacial acetic acid and made up to volume in distilled water. Imipramine is dissolved in 0.9% normal saline. Haloperidol (0.1 mg/kg, i.p.) and Bromocriptine mesylate (2 mg/kg, i.p.) are administered for 7 days in groups of mice in Forced Swimming Test (FST) and Tail Suspension Test (TST). Imipramine (10 mg/kg, p.o.) as a standard is administered in positive control groups for 7 days.
Rats[5]
Adult male Sprague-Dawley rats (N=112, 275-325 g) are used. Two weeks after the 6-OHDA injection, the animals are briefly (<3 min) anesthetized with 2 % halothane using a mask and received for intracisternal administration Bromocriptine (7 μg/kg dissolved in 5 μL vehicle) or the vehicle alone (5 μL of 0.9 % saline). For i.p. injection we used Bromocriptine (1 mg/kg) and SKF81297 (3 mg/kg dissolved in 0.9 % saline) concentrations. Following a recovery period (<2 min), the rats are placed in the observation field for 40 min period-test by a blind-experimenter.

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

Bromocriptine 相关分类

  • 摩尔计算器

  • 稀释计算器

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Bromocriptine25614-03-3CB-154CB154CB 154Dopamine ReceptorInhibitorinhibitorinhibit

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