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Updated: Aug 4, 2025

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets
Published on: November 29, 2024
Platelets and platelet-derived vesicles as an innovative cellular and subcellular platform for managing multiple
Sanaz Mehdi-Alamdarlou1, Fatemeh Ahmadi1, Mohammad-Ali Shahbazi2,3,4
1Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
Platelet-based drug delivery offers a novel approach for multiple sclerosis (MS) therapy. This method targets the central nervous system (CNS) to reduce inflammation effectively.
Area of Science:
- Neuroimmunology
- Drug Delivery Systems
- Biomaterials
Background:
- Multiple sclerosis (MS) is a progressive inflammatory autoimmune disease affecting young individuals.
- Current MS treatments have limitations, including chronic, non-targeted effects and low central nervous system (CNS) drug concentrations due to the blood-brain barrier (BBB).
- Innovative, targeted drug delivery methods are crucial for effective MS therapy.
Purpose of the Study:
- To explore the potential of activated platelets as a drug delivery system for targeting the CNS in MS.
- To review the role of platelets in modulating inflammation within the CNS and peripheral areas in MS.
Main Methods:
- Review of existing literature on platelet function in inflammation and MS.
- Analysis of platelet's role in cell recruitment and inflammatory modulation.
- Evaluation of platelet-based systems for drug targeting to the CNS.
Main Results:
- Activated platelets play a significant role in inflammatory conditions by recruiting cells to injured sites and limiting inflammation.
- Platelets demonstrate a crucial role in mitigating inflammation progression in both peripheral and CNS areas during different stages of MS.
- Platelets possess inherent properties suitable for targeted drug delivery.
Conclusions:
- Platelet-based drug delivery systems are promising biomimetic candidates for MS therapy.
- These systems can facilitate targeted drug delivery to the CNS.
- Platelet-based approaches can effectively limit inflammation in both peripheral and central areas for MS treatment.
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