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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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Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
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Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
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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.
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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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Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
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BM ageing: Implication for cell therapy with EPCs.

Erica Rurali1, Beatrice Bassetti1, Gianluca Lorenzo Perrucci2

  • 1Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino, IRCCS, Milan, Italy.

Mechanisms of Ageing and Development
|April 6, 2016
PubMed
Summary
This summary is machine-generated.

Ageing negatively impacts bone marrow stem cells and endothelial progenitor cells (EPCs), reducing their effectiveness in cardiovascular disease (CVD) therapies. Alternative strategies are being explored to improve EPC function for better treatment outcomes.

Keywords:
AgeingBone marrowCardiovascular diseaseCell therapyEPC

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Area of Science:

  • Cardiovascular Research
  • Regenerative Medicine
  • Aging Biology

Background:

  • Bone marrow (BM) serves as a key source of stem/progenitor cells for cardiovascular disease (CVD) therapies.
  • Endothelial progenitor cells (EPCs) from BM are crucial for vascular repair and angiogenesis.
  • Age-related decline in BM and EPC function impairs their therapeutic potential in CVD.

Purpose of the Study:

  • To review age-related changes in BM and EPCs.
  • To discuss the implications of aging on cardiovascular cell therapies.
  • To explore alternative approaches for enhancing EPC potency.

Main Methods:

  • Comprehensive literature review on aging, BM, EPCs, and CVD.
  • Analysis of preclinical and clinical studies on EPC-based therapies.
  • Examination of emerging strategies to boost EPC function.

Main Results:

  • Aging leads to microenvironment alterations and functional decline in BM and EPCs.
  • Reduced neovascularization observed in aged individuals receiving EPC therapy.
  • Limited efficacy of current EPC-based therapies in older patients is partly attributed to aging.

Conclusions:

  • Age-related impairments significantly limit the effectiveness of BM and EPC-based cardiovascular therapies.
  • Understanding these age-related changes is critical for improving cell therapy outcomes.
  • Investigating novel methods to counteract aging effects on EPCs is essential for future therapeutic advancements.