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Quality Control Assessment of Human Adipose-Derived Hydrogels.

Haley Lassiter1, Jordan Robinson1, Katie Hamel1

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

Methods in Molecular Biology (Clifton, N.J.)
|March 13, 2024
PubMed
Summary

Decellularized human-adipose tissue (hDAT) offers a promising biomaterial for tissue engineering. Standardized characterization protocols are crucial for its clinical translation and quality control in manufacturing.

Keywords:
BCA assayGelation propertiesGlycosaminoglycan content assayGood manufacturing practicesHuman adipose-derived hydrogelPico green DNA quantificationSoluble collagen content assay

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Decellularized human-adipose tissue (hDAT) presents a viable alternative to traditional 2D cell cultures and existing extracellular matrix (ECM) hydrogels.
  • hDAT offers advantages such as abundant availability and inherent cytocompatibility.
  • Clinical translation of hDAT and other hydrogels is hindered by the need for adherence to current good manufacturing practices (cGMP).

Purpose of the Study:

  • To establish standardized protocols for quality assurance and quality control (QA/QC) of hDAT for in vitro applications.
  • To verify the integrity of hDAT through comprehensive characterization.
  • To facilitate the integration of hDAT into current in vitro culture processes.

Main Methods:

  • Implementing a suite of basic characterization techniques, including physiochemical, structural/morphological, thermal, mechanical, and biological assessments.
  • Reducing batch-to-batch variability in hDAT production.
  • Establishing standardized sterilization, storage, and fabrication processes.

Main Results:

  • Obatala Sciences has developed a characterization protocol for hDAT.
  • The protocol includes assays for gelation properties, protein content, glycosaminoglycan content, soluble collagen content, and DNA content.
  • This comprehensive approach ensures the integrity and consistency of the hDAT material.

Conclusions:

  • Standardized QA/QC protocols are essential for the clinical translation of biomaterials like hDAT.
  • Comprehensive characterization verifies the integrity and suitability of hDAT for tissue engineering applications.
  • The developed protocol by Obatala Sciences supports the reliable manufacturing and application of hDAT.