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Myeloperoxidase and Neurological Disorder: A Crosstalk
Kanta Pravalika1, Deepaneeta Sarmah1, Harpreet Kaur1
1Department of Pharmacology and Toxicology , National Institute of Pharmaceutical Education and Research (NIPER) , Ahmedabad Gandhinagar , 382 355 Gujarat , India.
Abstract:
Myeloperoxidase (MPO) is a protein present in azurophilic granules, macrophages, and neutrophils that are released into extracellular fluid (ECF) during inflammation. MPO releases hypochlorous acid (HOCl) and other chlorinated species. It is derived from hydrogen peroxide (H2O2) showing response during inflammatory conditions and plays a role in the immune defense against pathogens. MPO may show unwanted effects by indirectly increasing the formation of reactive nitrogen species (RNS), reactive oxygen species (ROS), and tumor necrosis factor alpha (TNF-α) leading to inflammation and oxidative stress. As neuroinflammation is one of the inevitable biological components among most of neurological disorders, MPO and its receptor may be explored as candidates for future clinical interventions. The purpose of this review is to provide an overview of the pathophysiological characteristics of MPO and further explore the possibilities to target it for clinical use. Targeting MPO is promising and may open an avenue to act as a biomarker for diagnosis with defined risk stratification in patients with various neurological disorders.
Insights
Myeloperoxidase (MPO) is an inflammatory enzyme that contributes to oxidative stress and neurological disorders. Targeting MPO offers potential as a diagnostic biomarker and therapeutic strategy for these conditions.
Area of Science:
- Biochemistry
- Immunology
- Neuroscience
Background:
- Myeloperoxidase (MPO) is released during inflammation, producing reactive oxygen and nitrogen species.
- MPO contributes to oxidative stress and inflammation, implicated in neurological disorders.
Purpose of the Study:
- To review the pathophysiological roles of MPO.
- To explore MPO as a therapeutic target and biomarker for neurological diseases.
Main Methods:
- Literature review of MPO's function in inflammation and neurological conditions.
- Analysis of MPO's involvement in oxidative stress and neuroinflammation.
Main Results:
- MPO's dual role in pathogen defense and exacerbating inflammation/oxidative stress.
- MPO's potential as a biomarker for risk stratification in neurological disorders.
Conclusions:
- Targeting MPO presents a promising therapeutic avenue.
- MPO can serve as a valuable biomarker for diagnosing and managing neurological disorders.
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