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Related Experiment Video

Updated: Jun 21, 2025

Repair of a Critical-sized Calvarial Defect Model Using Adipose-derived Stromal Cells Harvested from Lipoaspirate
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Quality Control in Human Adipose-Derived Stromal/Stem Cells and Tissue Engineering Fat Models for Aging Studies.

Katie Hamel1, Jordan Robinson1, Emma Rogers1

  • 1Obatala Sciences, Inc., New Orleans, LA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|July 12, 2024
PubMed
Summary

Adipose-derived stromal/stem cells (ASCs) are valuable for regenerative medicine but vary by donor. Pooling ASCs and rigorous quality control, including assays for proliferation and senescence, ensures consistent cell quality for research.

Keywords:
Adipose-derived stromal/stem cellAgingCellular senescenceColony-forming unit-fibroblastDifferentiationIn vitro cultureProliferation

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Area of Science:

  • Stem Cell Biology
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Adipose tissue serves as a source of adipose-derived stromal/stem cells (ASCs), which possess multipotency and paracrine functions.
  • ASCs are of significant interest for therapeutic applications and tissue engineering due to their regenerative potential.
  • ASC behavior is highly variable, influenced by donor characteristics such as age, BMI, disease status, sex, and ethnicity.

Purpose of the Study:

  • To provide a detailed overview of quality control strategies for pooled ASCs.
  • To standardize the characterization and qualification of ASC donor pools for regenerative potential.
  • To address the impact of biological and chronological aging on ASCs.

Main Methods:

  • Evaluation of cell proliferation and differentiation potential.
  • Assessment of colony-forming unit (CFU) efficiency.
  • Analysis of cellular senescence using specific assays.
  • Consideration of donor age and cell passage number in quality control.

Main Results:

  • Pooling ASCs from different donors mitigates individual variability, leading to consistent differentiation and paracrine profiles.
  • Standardized assays are crucial for evaluating the regenerative potential of ASC pools.
  • Chronological and biological aging significantly impact ASC behavior and quality.

Conclusions:

  • Rigorous quality control is essential for ensuring the reliability and consistency of ASCs in research and therapeutic applications.
  • Standardized assays provide a robust method for qualifying ASC donor pools, considering aging effects.
  • Pooled ASCs offer a more consistent cell source for studies, particularly in biological aging research.