Research progress and challenges of stem cell therapy for ischemic stroke

Area of Science:

• Neuroscience
• Regenerative Medicine
• Stem Cell Biology

Background:

• Ischemic stroke is a leading cause of death and disability worldwide.
• Current treatments for acute ischemic stroke are limited.
• Novel neuroprotective strategies are urgently needed.

Purpose of the Study:

• To explore the potential of stem cell transplantation as a therapeutic approach for ischemic stroke.
• To review the mechanisms underlying stem cell therapy in stroke, including differentiation, neurotrophic factor secretion, and immunomodulation.
• To discuss the role of the microbiota-gut-brain axis and combination therapies (stem cells with exosomes) in stroke recovery.

Main Methods:

• Review of existing literature on stem cell transplantation for ischemic stroke.
• Analysis of stem cell properties relevant to neuroprotection and repair.
• Examination of emerging concepts like the microbiota-gut-brain axis and combination therapies.

Main Results:

• Stem cell transplantation offers potential for neuronal replacement, nerve pathway reconstruction, and microenvironment enhancement.
• Stem cells exhibit immunomodulatory functions beneficial for brain injury.
• Combined stem cell and exosome treatment shows protective effects.
• The microbiota-gut-brain axis offers new insights into neurological disease management.

Conclusions:

• Stem cell transplantation is a promising therapeutic strategy for ischemic stroke and other neurological disorders.
• Further research is required to overcome challenges in tissue sourcing, delivery, immune response, and transplantation timing.
• Optimizing stem cell therapy is crucial for improving patient outcomes in neurological diseases.