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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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 types that...
Stem Cell Culture01:17

Stem Cell Culture

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...
iPS Cell Differentiation01:22

iPS Cell Differentiation

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.
Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

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 called induced pluripotent stem...
Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...

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Related Experiment Video

Updated: Jul 9, 2026

Embryonic Stem Cell-Derived Endothelial Cells for Treatment of Hindlimb Ischemia
09:11

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

Published on: January 23, 2009

Endothelium-specific gene and stem cell-based therapy for erectile dysfunction.

Travis D Strong1, Milena A Gebska, Arthur L Burnett

  • 1Department of Urology, Johns Hopkins Hospital, Baltimore, MD 21287, USA.

Asian Journal of Andrology
|December 19, 2007
PubMed
Summary
This summary is machine-generated.

Gene and stem cell therapies show promise for treating erectile dysfunction (ED) by targeting penile endothelial dysfunction. These innovative approaches may offer a lasting solution beyond current treatments.

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Adenoviral Gene Therapy for Diabetic Keratopathy: Effects on Wound Healing and Stem Cell Marker Expression in Human Organ-cultured Corneas and Limbal Epithelial Cells
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Adenoviral Gene Therapy for Diabetic Keratopathy: Effects on Wound Healing and Stem Cell Marker Expression in Human Organ-cultured Corneas and Limbal Epithelial Cells
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Area of Science:

  • Regenerative Medicine
  • Urology
  • Vascular Biology

Background:

  • Erectile dysfunction (ED) often stems from endothelial dysfunction.
  • Current phosphodiesterase type 5 (PDE-5) inhibitors have limitations and are not effective for all patients.

Purpose of the Study:

  • To review current preclinical findings on endothelial-specific gene and stem cell therapies for ED.
  • To explore the potential of these novel therapies as a long-term solution or cure for ED.

Main Methods:

  • Review of preclinical studies in experimental animal models.
  • Focus on gene and stem cell-based therapeutic strategies targeting penile endothelium.

Main Results:

  • Gene and stem cell therapies demonstrate potential for enduring efficacy in preclinical models.
  • These approaches are gaining momentum as a promising avenue for ED treatment.

Conclusions:

  • Endothelial-specific gene and stem cell therapies represent a significant advancement in ED research.
  • These therapies may offer a more permanent and effective alternative to existing ED treatments.