Related Experiment Video

Updated: Jul 17, 2026

In Vivo Osteo-organoid Approach for Harvesting Therapeutic Hematopoietic Stem/Progenitor Cells
05:32

In Vivo Osteo-organoid Approach for Harvesting Therapeutic Hematopoietic Stem/Progenitor Cells

Published on: February 16, 2024

Cellular transplantation: future therapeutic options

Rebecca Allan1, Malek Kass, Christopher Glover

  • 1Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.

Current Opinion in Cardiology
|February 8, 2007
PubMed
Abstract

Insights

Stem cell therapy shows variable results for heart failure patients. Further research is needed to determine optimal cell types, dosing, and delivery methods for effective treatment.

Area of Science:

  • Regenerative Medicine
  • Cardiovascular Research
  • Stem Cell Biology

Background:

  • Cardiac transplantation is a complex procedure for end-stage heart failure.
  • Cellular transplantation is an emerging alternative, but clinical trials yield inconsistent outcomes.
  • The precise mechanisms of stem cell therapy in cardiac repair remain unclear.

Purpose of the Study:

  • To review the background of stem cell therapy for cardiac conditions.
  • To examine large clinical trials investigating stem cell therapy for myocardial infarction and heart failure.
  • To explore potential pharmacologic enhancements for stem cell therapy.

Main Methods:

  • Review of large clinical trials on bone marrow stem cells and granulocyte colony-stimulating factor for acute myocardial infarction.
  • Analysis of available clinical data for chronic left ventricular systolic dysfunction.
  • Discussion of ongoing research into cellular mechanisms, engraftment, proliferation, and survival.

Main Results:

  • Clinical trials for acute myocardial infarction show mixed results, with some indicating modest improvements in ejection fraction or infarct size, while others show no significant benefit.
  • Limited clinical data exists for treating chronic left ventricular systolic dysfunction with stem cells.
  • Key questions regarding optimal cell type, dosage, timing, and delivery methods persist.

Conclusions:

  • Stem cell therapy for cardiac conditions requires further investigation.
  • Significant challenges remain in optimizing cell type, delivery, and engraftment for therapeutic success.
  • Future research should focus on elucidating mechanisms and refining treatment protocols.

More Related Videos

High Throughput Characterization of Adult Stem Cells Engineered for Delivery of Therapeutic Factors for Neuroprotective Strategies09:19

High Throughput Characterization of Adult Stem Cells Engineered for Delivery of Therapeutic Factors for Neuroprotective Strategies

Published on: January 4, 2015

Regulatory T cells: Therapeutic Potential for Treating Transplant Rejection and Type I Diabetes16:26

Regulatory T cells: Therapeutic Potential for Treating Transplant Rejection and Type I Diabetes

Published on: August 20, 2007

Related Concept Videos

Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Tissue Transplantation01:24

Tissue Transplantation

Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
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...
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.
Forced Transdifferentiation01:28

Forced Transdifferentiation

Transdifferentiation, also known as lineage reprogramming, was first discovered by Selman and Kafatos in 1974 in silkmoths. They observed that the moths’ cuticle-producing cells transformed into salt-producing cells. Many such cases of natural transdifferentiation occur in organisms. In humans, pancreatic alpha cells can become beta cells. In newts, the loss of the eye’s lens causes the pigmented epithelial cells to transdifferentiate into the lens cells.
Artificial transdifferentiation occurs...
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...