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The Recent Applications of PLGA-Based Nanostructures for Ischemic Stroke
Jun Yan1, Lei Huang2, Juan Feng3
1Department of Neurology, Fushun Central Hospital, Fushun 113000, China.
Pharmaceutics
|September 28, 2023
Summary
Poly (lactic acid-glycolic acid) copolymer (PLGA) nanostructures offer advanced drug delivery and therapeutic solutions for ischemic stroke. These biodegradable materials show promise in improving diagnosis, treatment, and cell transplantation for this debilitating condition.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Materials Science
Background:
- Ischemic stroke presents a significant global health challenge, necessitating improved diagnostic and therapeutic strategies.
- Nanomaterials, particularly biodegradable polymers like poly (lactic acid-glycolic acid) copolymer (PLGA), are increasingly utilized in medicine.
- PLGA's biocompatibility and tunable nanostructure fabrication make it suitable for advanced medical applications.
Purpose of the Study:
- To review the synthesis and properties of PLGA.
- To detail the recent applications of PLGA-based nanostructures in ischemic stroke management.
- To highlight PLGA's potential in drug delivery, therapy, cell transplantation, and diagnostics.
Main Methods:
- Literature review of PLGA synthesis and properties.
- Analysis of PLGA nanostructures in preclinical and clinical studies for ischemic stroke.
- Examination of PLGA's role in drug delivery systems, therapeutic interventions, cell transplantation, and diagnostic imaging.
Main Results:
- PLGA can be fabricated into various nanostructures with controlled release capabilities.
- PLGA-based nanostructures facilitate drug delivery across biological barriers for sustained therapeutic effects.
- PLGA demonstrates potential in enhancing cell transplantation and imaging diagnostics for ischemic stroke.
Conclusions:
- PLGA-based nanostructures represent a promising platform for advancing the treatment and diagnosis of ischemic stroke.
- The versatility of PLGA in drug delivery and therapeutic applications underscores its clinical significance.
- Further research into PLGA nanostructures could lead to novel interventions for ischemic stroke patients.
Related Concept Videos
Ischemic Stroke l: Introduction
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...

