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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.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
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Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

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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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Stem Cell Culture01:17

Stem Cell Culture

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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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iPS Cell Differentiation01:22

iPS Cell Differentiation

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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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Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

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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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Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

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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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Related Experiment Video

Updated: May 1, 2026

Intra-Arterial Delivery of Neural Stem Cells to the Rat and Mouse Brain: Application to Cerebral Ischemia
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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-based therapies for ischemic stroke.

Lei Hao1, Zhongmin Zou2, Hong Tian1

  • 1Department of Neurology, No.324 Hospital of PLA, Chongqing 400020, China.

Biomed Research International
|April 11, 2014
PubMed
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Stem cell therapies show promise for stroke recovery by aiding cell repair and reducing inflammation. Further research is needed to optimize stem cell (SC) transplantation for stroke management.

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Embryonic Stem Cell-Derived Endothelial Cells for Treatment of Hindlimb Ischemia
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Area of Science:

  • Regenerative Medicine
  • Neuroscience
  • Biotechnology

Background:

  • Stem cell-based therapies are increasingly explored for stroke treatment.
  • Various stem cell types, including embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs), neural stem cells (NSCs), and mesenchymal stem cells (MSCs), have shown therapeutic potential in preclinical stroke models.

Purpose of the Study:

  • To review the therapeutic mechanisms of stem cells in stroke.
  • To discuss the current clinical applications and challenges of stem cell therapy for stroke.
  • To highlight future directions, including stem cell-based gene therapy.

Main Methods:

  • Review of animal studies on stem cell transplantation for stroke.
  • Analysis of clinical trial data for stem cell therapy in stroke patients.
  • Discussion of stem cell mechanisms, including cell replacement, neuroprotection, neurogenesis, angiogenesis, and immunomodulation.

Main Results:

  • Stem cells exert beneficial effects through multiple mechanisms, including promoting new cell growth, protecting existing neurons, stimulating blood vessel formation, and modulating inflammatory and immune responses.
  • Clinical studies, primarily using MSCs, indicate high efficiency and safety in stroke management.
  • Key challenges remain, such as optimizing cell delivery, survival, tracking, and transplantation protocols (dose, timing).

Conclusions:

  • Stem cell therapy holds significant therapeutic potential for stroke, supported by preclinical and clinical evidence.
  • Addressing challenges in cell homing, survival, tracking, and transplantation protocols is crucial for clinical success.
  • Stem cell-based gene therapy presents a promising future strategy for stroke treatment.