Dataset Information

Neuroregeneration in Parkinson's Disease: From Proteins to Small Molecules.

ABSTRACT: BACKGROUND:Parkinson's disease (PD) is the second most common neurodegenerative disorder worldwide, the lifetime risk of developing this disease is 1.5%. Motor diagnostic symptoms of PD are caused by degeneration of nigrostriatal dopamine neurons. There is no cure for PD and current therapy is limited to supportive care that partially alleviates disease signs and symptoms. As diagnostic symptoms of PD result from progressive degeneration of dopamine neurons, drugs restoring these neurons may significantly improve treatment of PD. METHOD:A literature search was performed using the PubMed, Web of Science and Scopus databases to discuss the progress achieved in the development of neuroregenerative agents for PD. Papers published before early 2018 were taken into account. RESULTS:Here, we review several groups of potential agents capable of protecting and restoring dopamine neurons in cultures or animal models of PD including neurotrophic factors and small molecular weight compounds. CONCLUSION:Despite the promising results of in vitro and in vivo experiments, none of the found agents have yet shown conclusive neurorestorative properties in PD patients. Meanwhile, a few promising biologicals and small molecules have been identified. Their further clinical development can eventually give rise to disease-modifying drugs for PD. Thus, intensive research in the field is justified.

SUBMITTER: Sidorova YA

PROVIDER: S-EPMC6425072 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Neuroregeneration in Parkinson's Disease: From Proteins to Small Molecules.

Sidorova Yulia A YA Volcho Konstantin P KP Salakhutdinov Nariman F NF

Current neuropharmacology 20190101 3

<h4>Background</h4>Parkinson's disease (PD) is the second most common neurodegenerative disorder worldwide, the lifetime risk of developing this disease is 1.5%. Motor diagnostic symptoms of PD are caused by degeneration of nigrostriatal dopamine neurons. There is no cure for PD and current therapy is limited to supportive care that partially alleviates disease signs and symptoms. As diagnostic symptoms of PD result from progressive degeneration of dopamine neurons, drugs restoring these neurons ...[more]

PMID: 30182859

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Project description:Neurological motor disorders (NMDs) such as Parkinson's disease and Huntington's disease are characterized by the accumulation and aggregation of misfolded proteins that trigger cell death of specific neuronal populations in the central nervous system. Differential neuronal loss initiates the impaired motor control and cognitive function in the affected patients. Although major advances have been carried out to understand the molecular basis of these diseases, to date there are no treatments that can prevent, cure, or significantly delay the progression of the disease. In this context, strategies such as gene editing, cellular therapy, among others, have gained attention as they effectively reduce the load of toxic protein aggregates in different models of neurodegeneration. Nevertheless, these strategies are expensive and difficult to deliver into the patients' nervous system. Thus, small molecules and natural products that reduce protein aggregation levels are highly sought after. Numerous drug discovery efforts have analyzed large libraries of synthetic compounds for the treatment of different NMDs, with a few candidates reaching clinical trials. Moreover, the recognition of new druggable targets for NMDs has allowed the discovery of new small molecules that have demonstrated their efficacy in pre-clinical studies. It is also important to recognize the contribution of natural products to the discovery of new candidates that can prevent or cure NMDs. Additionally, the repurposing of drugs for the treatment of NMDs has gained huge attention as they have already been through clinical trials confirming their safety in humans, which can accelerate the development of new treatment. In this review, we will focus on the new advances in the discovery of small molecules for the treatment of Parkinson's and Huntington's disease. We will begin by discussing the available pharmacological treatments to modulate the progression of neurodegeneration and to alleviate the motor symptoms in these diseases. Then, we will analyze those small molecules that have reached or are currently under clinical trials, including natural products and repurposed drugs.

Dataset Information

Neuroregeneration in Parkinson's Disease: From Proteins to Small Molecules.

Publications

Neuroregeneration in Parkinson's Disease: From Proteins to Small Molecules.

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