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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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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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Embryonic Stem Cells00:57

Embryonic Stem Cells

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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
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Embryonic Stem Cells00:58

Embryonic Stem Cells

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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

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Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
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Stem Cell Niche01:26

Stem Cell Niche

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The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
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Expanding Nanopatterned Substrates Using Stitch Technique for Nanotopographical Modulation of Cell Behavior
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Stem cells and nanomaterials.

Marie-Claude Hofmann1

  • 1Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas MD Anderson Cancer Center, Houston, TX, USA, mhofmann@mdanderson.org.

Advances in Experimental Medicine and Biology
|April 1, 2014
PubMed
Summary
This summary is machine-generated.

Stem cells hold promise for tissue regeneration, with nanomaterials aiding their study and application. Understanding stem cell-nanomaterial interactions is crucial for safe and effective medical treatments.

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Nanotechnology

Background:

  • Stem cells possess self-renewal and differentiation capabilities, making them valuable for tissue regeneration and engineering.
  • Advancements in stem cell biology and nanomaterials accelerate the discovery of mechanisms controlling stem cell fate.
  • Nanomaterials offer tools for labeling, tracking, and guiding stem cell behavior for medical applications.

Purpose of the Study:

  • To explore the synergistic potential of stem cells and nanomaterials in regenerative medicine.
  • To highlight the role of nanomaterials in understanding and manipulating stem cell fate.
  • To address the critical need for understanding stem cell-nanomaterial interactions for therapeutic safety and efficacy.

Main Methods:

  • Development of nanoparticles for stem cell labeling and tracking.
  • Engineering of nanosurfaces to mimic the extracellular matrix for stem cell adhesion and migration.
  • Fabrication of functionalized nanofiber scaffolds for stem cell cultivation and tissue regeneration.

Main Results:

  • Nanoparticles enable in vivo tracking of stem cells and their differentiated phenotypes.
  • Engineered nanosurfaces effectively support stem cell adherence and migration.
  • Nanofiber scaffolds facilitate the growth of stem cells for potential tissue and organ regeneration.

Conclusions:

  • Stem cell-nanomaterial interactions are key to advancing regenerative medicine.
  • Thorough understanding of these interactions is essential for ensuring the safety and efficacy of novel nanotechnologies.
  • Further research is needed to fully harness the therapeutic potential of stem cells and nanomaterials while mitigating risks.