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Minocycline hydrochloride

MCE China：Minocycline hydrochloride

Brand：MedChemExpress (MCE)

Cat. No.HY-17412

CAS：13614-98-7

Purity：99.79%

Storage：4°C, sealed storage, away from moisture *In solvent : -80°C, 1 year; -20°C, 6 months (sealed storage, away from moisture)

Shipping：Room temperature in continental US; may vary elsewhere.

Description：Minocycline hydrochloride is an orally active, potent and BBB-penetrated semi-synthetic tetracycline antibiotic. Minocycline hydrochloride is a hypoxia-inducible factor (HIF)-1α inhibitor. Minocycline hydrochloride shows anti-cancer, anti-inflammatory, and glutamate antagonist effects. Minocycline hydrochloride reduces glutamate neurotransmission and shows neuroprotective properties and antidepressant effects. Minocycline hydrochloride inhibits bacterial protein synthesis through binding with the 30S subunit of the bacterial ribosome, resulting in a bacteriostatic effect.

In Vitro：Minocycline hydrochloride (0-100 μM, 24-72 h) suppresses proliferation and clonogenic activity of ovarian cancer cell-lines (OVCAR-3, SKOV-3 and A2780)[3]. Minocycline hydrochloride (0-100 μM, 24-48 h)arrests cell cycle through inhibition of cyclins and suppression of DNA incorporation[3]. Minocycline hydrochloride (0-100 μM, 72 h) induces cell apoptosis in ovarian cancer cell lines[3]. Minocycline hydrochloride shows direct neuronal protection, and this mode of protection is likely to be associated with the preservation of mitochondrial integrity and cytochrome c, followed by the suppression of caspase-dependent as well as caspase-independent cell death[2]. Minocycline hydrochloride leads to suppression of Hypoxia-inducible factor (HIF)-1α accompanied by up-regulation of p53 protein levels and inactivation of AKT/mTOR/p70S6K/4E-BP1 pathway[6].

In Vivo：Minocycline hydrochloride (0-30 mg/kg, orally, daily for 4 weeks) suppresses OVCAR-3 tumor growth in female nude mice[3]. Minocycline hydrochloride (IP) is an effective neuroprotective agent in animal models of cerebral ischemia when given in high doses intraperitoneally[1]. Minocycline hydrochloride (0-40 mg/kg, IP, once) significantly attenuats METH-induced hyperlocomotion and the development of behavioral sensitization in mice[2]. Minocycline hydrochloride (3 and 10 mg/kg, IV, once) is effective at reducing infarct size in a Temporary Middle Cerebral Artery Occlusion model (TMCAO)[1]. Minocycline hydrochloride (3-10 mg/kg, IV, once) results in serum levels (at 3 mg/kg) similar to that achieved in humans after a standard 200 mg dose[1]. Minocycline hydrochloride attenuates ischemia-induced ventricular arrhythmias in rats. This effect may be associated with activations of PI3K/Akt signaling pathway, mitochondrial KATP channels and L-type Ca2+ channels[7].

IC50 & Target：L-type calcium channel

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References：

[1]. Xu L, et al. Low dose intravenous minocycline is neuroprotective after middle cerebral artery occlusion-reperfusion in rats. BMC Neurol. 2004 Apr 26;4:7.  [Content Brief]

[2]. Zhang L, et al. Protective effects of minocycline on behavioral changes and neurotoxicity in mice after administration of methamphetamine. Prog Neuropsychopharmacol Biol Psychiatry. 2006 Dec 30;30(8):1381-93.  [Content Brief]

[3]. Pourgholami MH, et al. Minocycline inhibits growth of epithelial ovarian cancer. Gynecol Oncol. 2012 May;125(2):433-40.  [Content Brief]

[4]. Molina-Hernández M, et al. Antidepressant-like actions of minocycline combined with several glutamate antagonists. Prog Neuropsychopharmacol Biol Psychiatry. 2008 Feb 15;32(2):380-6.  [Content Brief]

[5]. Ritchie DJ, et al. A review of intravenous minocycline for treatment of multidrug-resistant Acinetobacter infections. Clin Infect Dis. 2014 Dec 1;59 Suppl 6:S374-80.  [Content Brief]

[6]. Ataie-Kachoie P, et al. Minocycline attenuates hypoxia-inducible factor-1α expression correlated with modulation of p53 and AKT/mTOR/p70S6K/4E-BP1 pathway in ovarian cancer: in vitro and in vivo studies. Am J Cancer Res. 2015 Jan 15;5(2):575-88.  [Content Brief]

[7]. Hu X, Wu B, Wang X, Xu C, He B, Cui B, Lu Z, Jiang H. Minocycline attenuates ischemia-induced ventricular arrhythmias in rats. Eur J Pharmacol. 2011 Mar 11;654(3):274-9.  [Content Brief]