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Moringa oleifera modulates cholinergic and purinergic enzymes activity in BV-2 microglial cells
Stephen Adeniyi Adefegha1,2,3,4, Charles Elias Assmann5, Maria Rosa Chitolina Schetinger5
1Functional Foods, Nutraceuticals and Phytomedicine Laboratory, Department of Biochemistry, Federal University of Technology, Akure, Nigeria. saadefegha@futa.edu.ng.
Abstract:
Microglia are immune cells that are resident in central nervous system. Activation of microglial cells are detrimental to the survival of neurons. Thus, prevention of microglia activation and/or protection against microglia activation could be potential therapeutic strategy towards the management of inflammation-mediated neurodegenerative diseases. Moringa oleifera is widely consumed as food and used in folklore medicine for treating several diseases. This study was convened to investigate the effect of aqueous extract of Moringa oleifera on cell viability, cholinergic and purinergic enzymes in BV-2 microglial cultured cell. Aqueous extract of Moringa oleifera was prepared, lyophilized and reconstituted in 0.5% dimethylsulphoxide (DMSO). Cells were treated with Moringa oleifera extracts (0.1-100 μg/mL) and assessed for cell viability and nitric oxide production. Furthermore, the effect of Moringa oleifera on enzymes of cholinergic (acetylcholinesterase) and purinergic (nucleoside triphosphate diphosphohydrolase; NTPDase, 5' nucleotidase and adenosine deaminase; ADA) systems in BV-2 microglial cells were determined. Incubation of BV-2 microglia cell with M. oleifera extract maintained cell viability, modulated cholinergic and purinergic enzymes activity. The phenolic compounds found in M. oleifera extracts, include chlorogenic acid, rutin; quercetin pentoside, kaempferol derivative and quercetin derivative. Thus, this study suggest that the potential therapeutic effect of the phenolic compounds found in M. oleifera may have been responsible for the maintenance of cell viability in BV-2 microglia cells and modulation of cholinergic as well as purinergic enzymes activity.
Insights
Moringa oleifera extract protects neurons by maintaining microglial cell viability and modulating key enzymes. This suggests its potential therapeutic use in neurodegenerative diseases.
Area of Science:
- Neuroscience
- Pharmacology
- Immunology
Background:
- Microglia are central nervous system immune cells; their activation can harm neurons.
- Preventing microglial activation is a potential strategy for neurodegenerative diseases.
- Moringa oleifera is traditionally used in medicine and consumed as food.
Purpose of the Study:
- To investigate the effects of Moringa oleifera aqueous extract on BV-2 microglial cells.
- To assess its impact on cell viability, nitric oxide production, and enzyme activity.
Main Methods:
- BV-2 microglial cells were treated with varying concentrations of Moringa oleifera extract.
- Cell viability and nitric oxide production were measured.
- Activity of cholinergic (acetylcholinesterase) and purinergic (NTPDase, 5' nucleotidase, ADA) enzymes was determined.
Main Results:
- Moringa oleifera extract maintained cell viability in BV-2 microglia.
- The extract modulated the activity of cholinergic and purinergic enzymes.
- Phenolic compounds like chlorogenic acid and quercetin derivatives were identified in the extract.
Conclusions:
- Moringa oleifera extract supports microglial cell viability.
- The extract's phenolic compounds may be responsible for its neuroprotective effects.
- Moringa oleifera shows potential for managing inflammation-related neurodegenerative conditions.
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