Decellularized Matrix
Decellularized Matrix - Related Videos
08:10
A Decellularization Methodology for the Production of a Natural Acellular Intestinal Matrix
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Cited by 42 •
2013
The article describes a methodology for the production of an acellular matrix from rat intestine. The derivation of intestinal scaffolds is important for future applications in tissue engineering, stem cell biology and drug testing.
02:22
Cryomilling of Decellularized Tissue: A Technique to Obtain Fine Extracellular Matrix Powder
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2023
In this video, we present the protocol to obtain finely ground extracellular matrix powder from lyophilized decellularized tissue by cryomilling. The powdered ECM retains its biochemical composition and can be used for microcarrier synthesis.
04:51
Fabrication of Extracellular Matrix from Mouse Model: An Effective Procedure to Prepare Decellularized Tongue Extracellular Matrix from Murine Tongue
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2023
This video demonstrates the preparation of the murine tongue extracellular matrix by using the decellularization method, which involves exposing the harvested tongue to a series of physical, chemical, and enzymatic treatments. The resulting TEM scaffold retains its native extracellular matrix composition, removing the cellular components.
09:24
Decellularization and Recellularization of Whole Livers
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Cited by 39 •
2011
Perfusion decellularization is a novel technique to produce whole liver scaffolds that retains the organ's extracellular matrix composition and microarchitecture. Herein, the method of preparing whole organ scaffolds using perfusion decellularization and subsequent repopulation with hepatocytes is described. Functional and transplantable liver grafts can be generated using this technique.
06:41
Decellularizing Mammary Fat Pads: Deriving Extracellular Matrix Hydrogels from Mammary Fat Pads
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2023
This video describes a technique of deriving extracellular matrix hydrogels by decellularizing murine mammary fat pads following ex vivo irradiation for in vitro studies. This hydrogel helps to mimic the in vivo breast tissue environment post-radiation treatment to study tumor cell behavior.
FAQs
Decellularization relies on complementary actions rather than a single treatment. Chemical agents, enzymes, detergents, and physical treatments disrupt cell membranes and help degrade nucleic acids. Their conditions must be controlled because aggressive processing can also damage structural proteins, biochemical signals, or tissue-specific architecture. This balance determines whether the resulting scaffold retains useful biological and engineering functions.
Retaining native extracellular matrix architecture preserves the spatial framework that cells encounter in tissue. Along with structural proteins and biochemical signals, this organization can support cell attachment, migration, and differentiation. For engineering applications, the scaffold therefore contributes more than physical support: it supplies tissue-specific cues that can influence how introduced cells behave.
The matrix’s composition and mechanical properties help determine how a construct functions as an engineered environment. Composition supplies biochemical context, while mechanical behavior contributes physical cues and structural support. Because these features are tissue specific, characterizing both is important when selecting a matrix for biomimetic constructs, disease models, or drug-testing platforms.
A typical workflow begins by exposing tissue to chemical agents, enzymes, detergents, or physical treatments that disrupt cell membranes and degrade nucleic acids. Processing conditions are then controlled to limit damage to the extracellular matrix. After cellular components have been removed, the retained scaffold can support applications that depend on its architecture, composition, biochemical signals, and mechanical properties.
In a recellularization strategy, the processed scaffold is repopulated with a patient’s cells. The retained extracellular matrix provides attachment sites, migration-supporting structure, differentiation-related signals, and tissue-specific architecture. This combination is intended to create a replacement tissue construct that is more biomimetic than a framework lacking native matrix features.
Beyond replacement tissues, these matrices can be used to design disease models and drug-testing platforms. Their native composition and mechanical properties provide a tissue-relevant framework for engineered systems. This broadens their role in engineering from scaffold fabrication to experimental platforms that reproduce selected biological and physical features of tissue.