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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
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Ischemic Stroke ll: Pathophysiology01:15

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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...
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Ischemic Stroke l: Introduction01:15

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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.
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Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
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Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
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Intra-Arterial Delivery of Neural Stem Cells to the Rat and Mouse Brain: Application to Cerebral Ischemia
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Stem cell therapy for ischemic stroke.

Lukui Chen, Rong Qiu, Qiang Xu

    Journal of Nanoscience and Nanotechnology
    |April 16, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Stem cell therapy shows promise for ischemic stroke recovery by replacing damaged cells. This review covers stem cell types, transplantation methods, and future clinical applications for stroke patients.

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    Area of Science:

    • Regenerative Medicine
    • Neuroscience
    • Biomedical Engineering

    Background:

    • Ischemic stroke causes significant neuronal damage and functional deficits.
    • Stem cells possess the unique ability to differentiate into various cell types, including neurons and glial cells.
    • Stem cell transplantation is an emerging therapeutic strategy for stroke recovery.

    Purpose of the Study:

    • To review recent advancements in stem cell therapy for ischemic stroke.
    • To discuss endogenous and exogenous stem cell transplantation approaches.
    • To analyze critical parameters for effective stem cell therapy, including timing, dosage, route, and tracing.

    Main Methods:

    • Comprehensive literature review of recent studies on stem cell therapy for ischemic stroke.
    • Analysis of stem cell differentiation potential and transplantation efficacy in preclinical models and human patients.
    • Discussion of challenges and future directions in clinical stem cell application for stroke.

    Main Results:

    • Stem cells demonstrate potential for functional recovery in both animal models and stroke patients.
    • Differentiation capacity of stem cells into neural lineages is a key mechanism.
    • Optimal parameters for stem cell therapy (timing, dose, route) are crucial for efficacy.

    Conclusions:

    • Stem cell therapy holds significant promise for improving functional outcomes after ischemic stroke.
    • Further research is needed to optimize transplantation protocols and address clinical challenges.
    • Future applications may involve personalized stem cell treatments for stroke patients.