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Updated: May 23, 2025
Fabricating a Kidney Cortex Extracellular Matrix-Derived Hydrogel
Published on: October 13, 2018
Kidney-Derived ECM Hydrogels as Cell Delivery Devices.
Ana M Rodrigues1,2, Sara Gimondi1,2, Rita Quinteira1,2
13B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, AvePark, Parque de Ciência e Tecnologia, Rua Ave 1, Edificio 1 (Sede), Barco, Guimarães 4805-694, Portugal.
Decellularized kidney extracellular matrix hydrogels support adipose-derived stem cell differentiation for chronic kidney disease (CKD) therapy. These biomimetic scaffolds enhance cell viability and renal phenotype, offering promising kidney regeneration strategies.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Nephrology
Background:
- Chronic kidney disease (CKD) is a global health issue with limited therapeutic options.
- Adipose-derived mesenchymal stem cells (ASCs) show promise for CKD treatment, but delivery and survival remain challenging.
- Hydrogels offer a solution for stem cell delivery, providing support and bioactive cues for kidney regeneration.
Purpose of the Study:
- To investigate the potential of decellularized kidney extracellular matrix (dKECM) hydrogels for ASC differentiation.
- To compare dKECM hydrogels with collagen I hydrogels for supporting kidney-specific cell phenotypes.
- To evaluate the impact of dKECM hydrogels on encapsulated cell viability, proliferation, and renal phenotype.
Main Methods:
- Characterization of dKECM hydrogels and comparison with collagen I hydrogels.
- Encapsulation of human ASCs and HK-2 cells within dKECM hydrogels.
- Assessment of cell viability, metabolic activity, proliferation, morphology, and renal phenotype.
Main Results:
- dKECM hydrogels demonstrated superior performance compared to collagen I hydrogels.
- Encapsulated ASCs and HK-2 cells showed enhanced viability, metabolic activity, and proliferation in dKECM hydrogels.
- dKECM hydrogels promoted a sustained renal phenotype in encapsulated cells.
Conclusions:
- dKECM hydrogels are a promising biomimetic platform for ASC delivery and kidney regeneration.
- These hydrogels support cellular activity and phenotype, offering a viable strategy for CKD therapy.
- Decellularized matrix-based hydrogels represent a potent approach for advancing CKD treatment.
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