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Related Concept Videos

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...
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.
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Embryonic Stem Cells00:58

Embryonic Stem Cells

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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The Production of Pluripotent Stem Cells from Mouse Amniotic Fluid Cells Using a Transposon System
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Human amniotic fluid stem cell preconditioning improves their regenerative potential.

Cinzia Rota1, Barbara Imberti, Michela Pozzobon

  • 1Mario Negri Institute for Pharmacological Research, Centro Anna Maria Astori, Science and Technology Park Kilometro Rosso, Bergamo, Italy.

Stem Cells and Development
|November 10, 2011
PubMed
Summary
This summary is machine-generated.

Human amniotic fluid stem (hAFS) cells show potential for acute kidney injury (AKI) treatment by improving renal function and survival. Preconditioning hAFS cells with glial cell line-derived neurotrophic factor (GDNF) further enhances their regenerative capacity.

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Area of Science:

  • Stem cell biology
  • Regenerative medicine
  • Nephrology

Background:

  • Human amniotic fluid stem (hAFS) cells are multipotent stem cells with therapeutic potential.
  • Acute kidney injury (AKI) is a significant clinical challenge requiring novel treatments.
  • hAFS cells are being investigated for their regenerative effects in AKI models.

Purpose of the Study:

  • To evaluate the therapeutic efficacy of hAFS cells in a murine model of AKI.
  • To investigate the mechanisms underlying hAFS cell-mediated renal regeneration.
  • To determine if GDNF preconditioning enhances hAFS cell therapy for AKI.

Main Methods:

  • Induction of AKI in immunodeficient mice using cisplatin.
  • Administration of hAFS cells and assessment of renal function and survival.
  • Analysis of stem cell engraftment, cellular effects, and cytokine/growth factor production.
  • Evaluation of GDNF preconditioning effects on hAFS cells and AKI outcomes.

Main Results:

  • hAFS cell infusion improved renal function, limited tubular damage, and prolonged survival in cisplatin-induced AKI mice.
  • hAFS cells exerted antiapoptotic effects and stimulated tubular cell proliferation via secreted factors (IL-6, VEGF, SDF-1).
  • GDNF preconditioning significantly enhanced hAFS cell homing, renal function recovery, and tubular injury amelioration.

Conclusions:

  • hAFS cells promote functional recovery and renal regeneration in AKI through paracrine mechanisms.
  • GDNF preconditioning represents a promising strategy to augment the therapeutic potential of hAFS cells for AKI treatment.