Reserpine hydrochloride

CAS# 16994-56-2

Reserpine hydrochloride

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Chemical structure

Reserpine hydrochloride

3D structure

Chemical Properties of Reserpine hydrochloride

Cas No. 16994-56-2 SDF Download SDF
PubChem ID 3084265 Appearance Powder
Formula C33H41ClN2O9 M.Wt 645.14
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 12.66 mg/mL (19.62 mM)
H2O : < 0.1 mg/mL (insoluble)
*"≥" means soluble, but saturation unknown.
Chemical Name methyl (15R,18S,20R)-6,18-dimethoxy-17-(3,4,5-trimethoxybenzoyl)oxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate;hydrochloride
SMILES COC1C(CC2CN3CCC4=C(C3CC2C1C(=O)OC)NC5=C4C=CC(=C5)OC)OC(=O)C6=CC(=C(C(=C6)OC)OC)OC.Cl
Standard InChIKey ZYWIWGUMKCZKOO-OSYYGSGGSA-N
Standard InChI InChI=1S/C33H40N2O9.ClH/c1-38-19-7-8-20-21-9-10-35-16-18-13-27(44-32(36)17-11-25(39-2)30(41-4)26(12-17)40-3)31(42-5)28(33(37)43-6)22(18)15-24(35)29(21)34-23(20)14-19;/h7-8,11-12,14,18,22,24,27-28,31,34H,9-10,13,15-16H2,1-6H3;1H/t18-,22+,24?,27?,28?,31+;/m0./s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of Reserpine hydrochloride

DescriptionReserpine hydrochloride is an inhibitor of the vesicular monoamine transporter 2 (VMAT2).In Vitro:Reserpine hydrochloride is an inhibitor of the vesicular monoamine transporter 2 (VMAT2). Reserpine hydrochloride displays a significant on the density of dopamine D1 receptors (F2,12=8.81, p<0.01) in the rat striatum. The affinity (Kd) for the dopamine D1 and D2 receptors during withdrawal from acute and chronic administration of reserpine is not change[1]. IC50 values of 43.9 and 54.9 μM are obtained after 1 day of treatment with Reserpine hydrochloride in JB6 P+ and HepG2-C8 cells, respectively. Reserpine hydrochloride induces luciferase activity in a dose-dependent manner at concentrations ranging from 5 to 50 μM, and no significant induction is observed at concentrations lower than 5 μM. Results demonstrate that Reserpine hydrochloride (2.5 to 10 μM) also increases the protein expression of Nrf2, HO-1, and NQO1. Reserpine hydrochloride at concentrations of 2.5 to 10 μM decreases the mRNA expression of DNMT1, DNMT3a, and DNMT3b in a concentration-dependent manner in JB6 P+ cells after 7 days of treatment. Reserpine hydrochloride at 10 μM generates a significant difference for DNMT3a expression (p<0.05)[2].In Vivo:Withdrawal (48 h) from chronic (14-day) but not acute Reserpine hydrochloride administration in a dose of 0.2 mg/kg i.p. produces a significant reduction of the immobility time (F2,18=3.68, p<0.05), but increases the climbing time (F2,18=4.48, p<0.02), and does not change the swimming time (F2,18=1.78; NS) in the forced swim test (FST) in rats[1]. Reserpine hydrochloride at a dose of 5 mg/kg body weight produces significant increase in the urinary excretion profile of vanillylmandelic acid (VMA) compare to control animals. The amount of 5-hydroxyindoleacetic acid (5-HIAA) excreted in animals treated with Reserpine is found to be more than in the control. Dose dependent hypotension is observed with Reserpine hydrochloride. Reserpine hydrochloride at doses of 0.5, 1, 5, 10 and 15 μg/kg produce significant (p<0.01) reduction in blood pressure compare to control[3].

References:
[1]. Antkiewicz-Michaluk L, et al. Withdrawal from repeated administration of a low dose of reserpine induced opposing adaptive changes in the noradrenaline and serotonin system function: a behavioral and neurochemical ex vivo and in vivo studies in the rat. Prog Neuropsychopharmacol Biol Psychiatry. 2015 Mar 3;57:146-54. [2]. Hong B, et al. Reserpine Inhibit the JB6 P+ Cell Transformation Through Epigenetic Reactivation of Nrf2-Mediated Anti-oxidative Stress Pathway. AAPS J. 2016 May;18(3):659-69. [3]. Sreemantula S, et al. Reserpine methonitrate, a novel quaternary analogue of reserpine augments urinary excretion of VMA and 5-HIAA without affecting HVA in rats. BMC Pharmacol. 2004 Nov 16;4:30.

Protocol

Kinase Assay [2]
After incubation for 24 h, JB6 P+ cells (1×105 cells/10-cm dish) are treated with various concentrations of Reserpine hydrochloride. Whole cell lysates are prepared from the treated cells using radioimmunoprecipitation assay buffer supplemented with a protease inhibitor cocktail, and a BCA kit is used to determine protein concentrations[2].

Cell Assay [2]
JB6 P+ cells are seeded in 96-well plates containing Minimum essential media (MEM) at a density of 1×104 cells/mL (100 μL/well) for 1, 3, and 5 days, and HepG2-C8 cells are seeded in plates containing DMEM. After incubation for 24 h, the cells are treated with either DMSO or various concentrations of Reserpine hydrochloride. For JB6 P+ cells, the medium is changed every 2 days for the 3-day and 5-day treatments. Cell viability is assessed using a MTS assay kit according to the manufacturer’s instructions. The absorbance of the formazan product is read at 490 nm, and the cell viability is calculated and compared with the DMSO control group[2].

Animal Administration [3]
Albino rats of either sex weighing between 100 to 150 g are used in the study. They are acclimatized to the laboratory conditions for at least 10 days prior to the experiment and are provided with standard diet and water ad libitum with 12 h light and dark cycle. Animals are divided into different groups of six each and are housed individually in metabolic cages. Group 1: Control animals treated with DMSO intraperitoneally at a dose of 0.1 mL/100 g body weight. Group 2: Animals administered intraperitoneally with Reserpine hydrochloride at a dose of 5 mg/kg body weight. The 24 h urine samples from the point of drug administration are collected for each animal[3].

References:
[1]. Antkiewicz-Michaluk L, et al. Withdrawal from repeated administration of a low dose of reserpine induced opposing adaptive changes in the noradrenaline and serotonin system function: a behavioral and neurochemical ex vivo and in vivo studies in the rat. Prog Neuropsychopharmacol Biol Psychiatry. 2015 Mar 3;57:146-54. [2]. Hong B, et al. Reserpine Inhibit the JB6 P+ Cell Transformation Through Epigenetic Reactivation of Nrf2-Mediated Anti-oxidative Stress Pathway. AAPS J. 2016 May;18(3):659-69. [3]. Sreemantula S, et al. Reserpine methonitrate, a novel quaternary analogue of reserpine augments urinary excretion of VMA and 5-HIAA without affecting HVA in rats. BMC Pharmacol. 2004 Nov 16;4:30.

Reserpine hydrochloride Dilution Calculator

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Reserpine hydrochloride Molarity Calculator

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Preparing Stock Solutions of Reserpine hydrochloride

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.5501 mL 7.7503 mL 15.5005 mL 31.001 mL 38.7513 mL
5 mM 0.31 mL 1.5501 mL 3.1001 mL 6.2002 mL 7.7503 mL
10 mM 0.155 mL 0.775 mL 1.5501 mL 3.1001 mL 3.8751 mL
50 mM 0.031 mL 0.155 mL 0.31 mL 0.62 mL 0.775 mL
100 mM 0.0155 mL 0.0775 mL 0.155 mL 0.31 mL 0.3875 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on Reserpine hydrochloride

Reserpine hydrochloride (Serpalan) is an indole alkaloid antipsychotic and antihypertensive drug that irreversibly blocks the vesicular monoamine transporter (VMAT).

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References on Reserpine hydrochloride

Protection by procaine hydrochloride against reserpine-induced acute gastric mucosal injury in the rat: implications for stress-induced injury.[Pubmed:3171945]

J Pharm Sci. 1988 Jul;77(7):582-5.

This study investigated whether oral procaine (1 mL of 5% solution) affords protection against reserpine-induced (5 mg/kg, ip) acute gastric mucosal injury in the rat. After 6 h, all rats in the reserpine-alone group developed mucosal injury confined to the glandular stomach (40.1 +/- 5.2 mm2, mean +/- SEM), and neither atropine (5 mg/kg, ip) or cimetidine (40 mg/kg ip) influenced this injury (38 +/- 4 and 40.5 +/- 4.6 mm2, respectively). Similarly, celiac ganglionectomy, to interrupt autonomic sympathetic delivery to the stomach, had no effect on the reserpine-induced injury (42 +/- 6 versus 40.1 +/- 5.2 mm2). Dose-dependent protection against the reserpine injury was produced by the alpha-adrenoceptor blocking drug phenoxybenzamine or phentolamine: a complete protection was noted with the 15-mg/kg dose. Vagotomy or procain completely protected the rat stomach against the reserpine injury. The data suggest that reserpine produces vagal adrenoceptor delivery to the rat stomach, resulting in mucosal injury, and that oral procaine blocks this delivery, thus achieving protection against injury development by a vagotomy action. The knowledge that the reserpine injury is a stress-induced injury indicates that oral procaine protects the rat stomach against stress-induced acute gastric mucosal injury.

The L-DOPA-sparing effect of R-(-)-1-(benzofuran-2-yl)-2-propylaminopentane hydrochloride [(-)-BPAP] in reserpine-pretreated rats.[Pubmed:12527038]

Life Sci. 2003 Feb 7;72(12):1413-9.

R-(-)-1-(Benzofuran-2-yl)-2-propylaminopentane hydrochloride [(-)-BPAP], a highly potent enhancer of impulse propagation-mediated release of catecholamines and serotonin in the brain, and significantly increased the locomotor activity of normal rats at the doses of 0.3 and 1 mg/kg s.c. (P < 0.05), while L-DOPA (200 and 400 mg/kg i.p.) had no significant effect. The locomotor activity of rats simultaneously administered L-DOPA and (-)-BPAP was significantly higher than with (-)-BPAP alone (P < 0.05). In rats pretreated with reserpine (1 mg/kg i.v.), the hypolocomotion was significantly reversed by 400 mg/kg i.p. L-DOPA, or 1 or 3 mg/kg s.c. (-)-BPAP (P < 0.05). Furthermore, the combined administration of subthreshold doses of 200 mg/kg i.p. L-DOPA and 0.3 mg/kg s.c. (-)-BPAP highly potentiated the locomotor activity in the reserpine-pretreated rats. However, (-)-BPAP failed to reverse the hypolocomotion in rats pretreated with reserpine + alpha-methyl-DL-p-tyrosine. Thus, (-)-BPAP was demonstrated to possess the L-DOPA-sparing effect in normal and reserpine-pretreated rats.

Simultaneous Estimation of Hydrochlorothiazide, Hydralazine Hydrochloride, and Reserpine Using PCA, NAS, and NAS-PCA.[Pubmed:26839841]

Sci Pharm. 2015 Jun 22;83(4):599-610.

In this study, new and feasible UV-visible spectrophotometric and multivariate spectrophotometric methods were described for the simultaneous determination of hydrochlorothiazide (HCTZ), hydralazine hydrochloride (H.HCl), and reserpine (RES) in combined pharmaceutical tablets. Methanol was used as a solvent for analysis and the whole UV region was scanned from 200-400 nm. The resolution was obtained by using multivariate methods such as the net analyte signal method (NAS), principal component analysis (PCA), and net analyte signal-principal component analysis (NAS-PCA) applied to the UV spectra of the mixture. The results obtained from all of the three methods were compared. NAS-PCA showed a lot of resolved data as compared to NAS and PCA. Thus, the NAS-PCA technique is a combination of NAS and PCA methods which is advantageous to obtain the information from overlapping results.

Description

Reserpine hydrochloride is an inhibitor of the vesicular monoamine transporter 2 (VMAT2).

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