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Stem Cell Therapy for Tissue Regeneration

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...

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Related Experiment Video

Updated: Jul 25, 2025

Cavernous Nerve Stimulation and Recording of Intracavernous Pressure in a Rat

Cavernous Nerve Stimulation and Recording of Intracavernous Pressure in a Rat

Published on: April 23, 2018

Erectile Dysfunction Treatment Using Stem Cell Delivery Patch in a Cavernous Nerve Injury Rat Model.

Hyong Woo Moon¹, In Gul Kim², Mee Young Kim³

¹Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.

Bioengineering (Basel, Switzerland)

|June 28, 2023

Summary

A novel tissue-engineered patch using decellularized extracellular matrix and stem cells shows promise for treating erectile dysfunction after prostatectomy. This approach promotes nerve and blood vessel regeneration, improving erectile function in a rat model.

Keywords:

biofabrication prostate cancer rectile dysfunction stem cell delivery

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Intracavernous Pressure Recording in a Cavernous Nerve Injury Rat Model

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Last Updated: Jul 25, 2025

Cavernous Nerve Stimulation and Recording of Intracavernous Pressure in a Rat

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Published on: April 23, 2018

Isolation of Adipose Derived Regenerative Cells for the Treatment of Erectile Dysfunction Following Radical Prostatectomy

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Published on: December 28, 2021

Intracavernous Pressure Recording in a Cavernous Nerve Injury Rat Model

Intracavernous Pressure Recording in a Cavernous Nerve Injury Rat Model

Published on: September 20, 2021

Area of Science:

Regenerative Medicine
Biomaterials Science
Urology

Background:

Erectile dysfunction (ED) is a significant complication following radical prostatectomy (RP) for prostate cancer.
Tissue engineering offers a potential solution for post-prostatectomy ED by facilitating nerve regeneration.
Controlled interactions between cells, growth factors, and the extracellular matrix (ECM) are crucial for structural integrity and nerve regeneration.

Purpose of the Study:

To evaluate the efficacy of a biomechanical ECM patch combined with human bone marrow-derived mesenchymal stem cells (hBMSCs) in a rat model of bilateral cavernous nerve injury (BCNI).
To assess the impact of the hFDM/PVA patch on neural development markers in vitro and erectile function in vivo.

Main Methods:

Development of an ECM patch composed of decellularized human fibroblast-derived ECM (hFDM) and polyvinyl alcohol (PVA) hydrogel.
In vitro testing of the hFDM/PVA patch with hBMSCs to analyze neural development markers.
In vivo implantation of the hFDM/PVA patch in a BCNI rat model to evaluate erectile function and tissue regeneration.

Main Results:

In vitro studies demonstrated significantly increased neural development markers with the hFDM/PVA + hBMSCs patches.
In vivo experiments showed improved erectile function, indicated by higher ICP/MAP ratios in rats treated with the hFDM/PVA patch.
Histological and molecular analyses revealed enhanced smooth muscle regeneration, increased angiogenesis, elevated nNOS and eNOS protein expression, and higher cGMP levels in the treated group compared to controls.

Conclusions:

The hFDM/PVA patch effectively promotes angiogenesis, smooth muscle regeneration, and nitrergic nerve regeneration.
This tissue-engineered approach holds potential for improving erectile function in patients with post-prostatectomy ED.
The study highlights the therapeutic potential of combining biomaterial scaffolds with stem cells for treating complex conditions like ED.