Author(s): Ashwija Kolakemar, Shivaprakash Gangachannaiah, Sadhana N Holla, Mohandas Rao KG, Smita Shenoy, Rajashekar Chinta, Chetan Hasmukh Mehta, Usha Yogendra Nayak


DOI: 10.52711/0974-360X.2024.00029   

Address: Ashwija Kolakemar1, Shivaprakash Gangachannaiah*1, Sadhana N Holla1, Mohandas Rao KG2, Smita Shenoy1, Rajashekar Chinta3, Chetan Hasmukh Mehta4, Usha Yogendra Nayak4
1Department of Pharmacology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India.
2Department of Basic Medical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India.
3Department of Pharmacology, Manipal University College, Malaysia, Melaka, Malaysia.
4Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India.
*Corresponding Author

Published In:   Volume - 17,      Issue - 1,     Year - 2024

Introduction: Alzheimer's disease (AD) is a neurodegenerative condition characterised by the gradual loss of hippocampal and cortical neurons, resulting in diminished memory and cognitive function. Siponimod (SPM) a selective modulator of sphingosine 1-phosphate receptor subtype 1 and 5(S1P1,S1P5 receptors), was found to have neuroprotective effect in neurological disorders. The present study was conducted to evaluate its beneficial effects in AD. Materials and Methods: In-silico molecular docking and molecular dynamic simulation studies were carried to know its potential interactions with selected target proteins. In-vivo study was conducted inthirty rats divided randomly into five groups with six rats per group: Control group received Carboxy methyl cellulose; disease group were administered aluminium chloride (AlCl3);standard group received rivastigmine (RVST) with AlCl3; and the test groups received SPM (0.05mg/kg and 0.2mg/kg) with AlCl3. Morris water maze test and elevated plus maze was used to evaluate learning and memory. Behavioural changes and biochemical parameters estimation were performed at the end of experiment. Results: The molecular docking study using selected protein and ligands showed higher docking score and stable interactions at acetylcholinesterase (AChE) protein with SPM.Behavioural studies showed: decrease in transfer latency time in elevated plus maze; decrease in time to reach target platform and increase in time spent in target quadrant in Morris water maze test in SPM treated rats. Biochemical evaluation showed marked decrease in malondialdehyde (MDA), nitrite, myeloperoxidase (MPO)levels and increased antioxidant levels in SPM treated groups. SPM exhibited significant inhibitory activity onAChE. Conclusion: SPM was found to be effective in ameliorating AlCl3 induced AD. The observed benefits in restoring learning and memory were attributed to its inhibitory activity on AChE and its ability to suppress free radical mediated oxidative damage.

Cite this article:
Ashwija Kolakemar, Shivaprakash Gangachannaiah, Sadhana N Holla, Mohandas Rao KG, Smita Shenoy, Rajashekar Chinta, Chetan Hasmukh Mehta, Usha Yogendra Nayak. Sphingosine-1-Phosphate Receptor Modulator – Siponimod: An Evaluation to Ameliorate Aluminium Chloride Induced Behavioural Change and Biochemical effects. Research Journal of Pharmacy and Technology. 2024; 17(1):179-7. doi: 10.52711/0974-360X.2024.00029

Ashwija Kolakemar, Shivaprakash Gangachannaiah, Sadhana N Holla, Mohandas Rao KG, Smita Shenoy, Rajashekar Chinta, Chetan Hasmukh Mehta, Usha Yogendra Nayak. Sphingosine-1-Phosphate Receptor Modulator – Siponimod: An Evaluation to Ameliorate Aluminium Chloride Induced Behavioural Change and Biochemical effects. Research Journal of Pharmacy and Technology. 2024; 17(1):179-7. doi: 10.52711/0974-360X.2024.00029   Available on:

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