Anti-inflammatory and protective effects of MT-031, a novel multitarget MAO-A and AChE/BuChE inhibitor in scopolamine mouse model and inflammatory cells

Q2 · MEDICINE

Article

Author: Frenkel, Dan ; Nash, Yuval ; Wang, Yuqiang ; Youdim, Moussa B H ; Rabinovich, Alon ; Liu, Wei ; Weinreb, Orly

Previous study demonstrated that the novel multitarget compound, MT-031 preserved in one molecule entity the beneficial properties of its parent drugs, rasagiline and rivastigmine, and exerted high dual potencies of monoamine oxidase-A (MAO-A) and cholinesterase (ChE) inhibition in acute-treated mice and neuroprotective effects against H₂O₂-induced neurotoxicity in human neuroblastoma SH-SY5Y cells. The present study aimed to further investigate the anti-inflammatory and protective effects of MT-031 in scopolamine mouse model and inflammatory cell cultures. Our findings demonstrated that once daily chronic administration of MT-031 (5-10 mg/kg) to mice antagonized scopolamine-induced memory and cognitive impairments, displayed brain selective MAO-A and AChE/BuChE inhibition, increased the levels of striatal dopamine (DA), serotonin (5-HT) and norepinephrine and prevented the metabolism of DA and 5-HT. In addition, MT-031 upregulated mRNA expression levels of Bcl-2, the neurotrophic factors, (e.g., brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF) and nerve growth factor (NGF)), the antioxidant enzyme catalase and the anti-inflammatory cytokine, neurotrophic tyrosine kinase receptor (Ntrk), and down-regulated the mRNA expression levels of the pro-inflammatory interleukin (IL)-6 in scopolamine-induced mice. In accordance, MT-031 was shown to reduce reactive oxygen species accumulation, increase the levels of anti-inflammatory cytokines, IL-10 and decrease the levels of the pro-inflammatory cytokines, IL-1β, IL-6, IL-17 and interferon-gamma (IFN-γ) in activated mouse splenocytes and microglial cells. Taken together, these pharmacological properties of MT-031 can be of clinical importance for developing this novel multitarget compound as a novel drug candidate for the treatment of Alzheimer's disease.

01 Oct 2016·NeuropharmacologyQ2 · MEDICINE

Design, synthesis and evaluation of novel dual monoamine-cholinesterase inhibitors as potential treatment for Alzheimer’s disease

Q2 · MEDICINE

Article

Author: Lang, Ming ; Weinreb, Orly ; Wang, Yuqiang ; Youdim, Moussa B H ; Zhang, Zaijun ; Amit, Tamar ; Sun, Yewei ; Liu, Wei

Current novel therapeutic approach suggests that multifunctional compounds with diverse biological properties and a single bioavailability and pharmacokinetic metabolism, will produce higher significant advantages in treatment of neurodegenerative diseases, such as Alzheimer's disease (AD). Based on this rational, a new class of cholinesterase (ChE)-monoamine oxidase (MAO) inhibitors were designed and synthesized by amalgamating the propargyl moiety of the irreversible selective MAO-B inhibitor, neuroprotective/neurorestorative anti-Parkinsonian drug, rasagiline, into the "N-methyl" position of the ChE inhibitor, anti-AD drug rivastigmine. Initially, we examined the MAO and ChE inhibitory effect of these novel compounds, MT series in vitro and in vivo. Among MT series, MT-031 exhibited higher potency as a dual MAO-A and ChE inhibitor compared to other compounds in acute-treated mice. Additionally, MT-031 was found to increase the striatal levels of dopamine (DA), serotonin (5-HT) and norepinephrine (NE), and prevent the metabolism of DA and 5-HT. Finally, we have demonstrated that MT-031 exerted neuroprotective effect against H2O2-induced neurotoxicity and reactive oxygen species generation in human neuroblastoma SH-SY5Y cells. These findings provide evidence that MT-031 is a potent brain permeable novel multifunctional, neuroprotective and MAO-A/ChE inhibitor, preserves in one molecule entity some of the beneficial properties of its parent drugs, rasagiline and rivastigmine, and thus may be indicated as novel therapeutic approach for AD.

100 Deals associated with MT-031

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Indication	Highest Phase	Country/Location	Organization	Date
Alzheimer Disease	Preclinical	IL	Technion-Israel Institute of Technology	-
Alzheimer Disease	Preclinical	IL	Youdim Pharmaceuticals Ltd.	-

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