Abstract
It is estimated that by 2050 over 100 million people will be affected by the Parkinson’s disease (PD). We propose various computational approaches to screen suitable candidate ligand with anti-Parkinson’s activity from phytochemicals. Five different types of dopamine receptors have been identified in the brain, D1–D5. Dopamine receptor D3 was selected as the target receptor. The D3 receptor exists in areas of the brain outside the basal ganglia, such as the limbic system, and thus may play a role in the cognitive and emotional changes noted in Parkinson’s disease. A ligand library of 100 molecules with anti-Parkinson’s activity was collected from literature survey. Nature is the best combinatorial chemist and possibly has answers to all diseases of mankind. Failure of some synthetic drugs and its side effects have prompted many researches to go back to ancient healing methods which use herbal medicines to give relief. Hence, the candidate ligands with anti-Parkinson’s were selected from herbal sources through literature survey. Lipinski rules were applied to screen the suitable molecules for the study, the resulting 88 molecules were energy minimized, and subjected to docking using Autodock Vina. The top eleven molecules were screened according to the docking score generated by Autodock Vina Commercial drug Ropinirole was computed similarly and was compared with the 11 phytochemicals score, the screened molecules were subjected to toxicity analysis and to verify toxic property of phytochemicals. R Programming was applied to remove the bias from the top eleven molecules. Using cluster analysis and Confusion Matrix two phytochemicals were computationally selected namely Rosmarinic acid and Gingkolide A for further studies on the disease Parkinson’s.
Keywords: Parkinson’s disease, dopamine D3 receptor, autodock vina, rosmarinic acid, gingkolide A and R programming
Current Topics in Medicinal Chemistry
Title:Computational Approaches to Screen Candidate Ligands with Anti- Parkinson’s Activity Using R Programming
Volume: 12 Issue: 16
Author(s): R.M. Jayadeepa and M.S. Niveditha
Affiliation:
Keywords: Parkinson’s disease, dopamine D3 receptor, autodock vina, rosmarinic acid, gingkolide A and R programming
Abstract: It is estimated that by 2050 over 100 million people will be affected by the Parkinson’s disease (PD). We propose various computational approaches to screen suitable candidate ligand with anti-Parkinson’s activity from phytochemicals. Five different types of dopamine receptors have been identified in the brain, D1–D5. Dopamine receptor D3 was selected as the target receptor. The D3 receptor exists in areas of the brain outside the basal ganglia, such as the limbic system, and thus may play a role in the cognitive and emotional changes noted in Parkinson’s disease. A ligand library of 100 molecules with anti-Parkinson’s activity was collected from literature survey. Nature is the best combinatorial chemist and possibly has answers to all diseases of mankind. Failure of some synthetic drugs and its side effects have prompted many researches to go back to ancient healing methods which use herbal medicines to give relief. Hence, the candidate ligands with anti-Parkinson’s were selected from herbal sources through literature survey. Lipinski rules were applied to screen the suitable molecules for the study, the resulting 88 molecules were energy minimized, and subjected to docking using Autodock Vina. The top eleven molecules were screened according to the docking score generated by Autodock Vina Commercial drug Ropinirole was computed similarly and was compared with the 11 phytochemicals score, the screened molecules were subjected to toxicity analysis and to verify toxic property of phytochemicals. R Programming was applied to remove the bias from the top eleven molecules. Using cluster analysis and Confusion Matrix two phytochemicals were computationally selected namely Rosmarinic acid and Gingkolide A for further studies on the disease Parkinson’s.
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Jayadeepa R.M. and Niveditha M.S., Computational Approaches to Screen Candidate Ligands with Anti- Parkinson’s Activity Using R Programming, Current Topics in Medicinal Chemistry 2012; 12 (16) . https://dx.doi.org/10.2174/1568026611209061807
DOI https://dx.doi.org/10.2174/1568026611209061807 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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