Scaffold-free Constructs
Scaffold-free Constructs - Related Videos
09:24
Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
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Cited by 2 •
2014
For creation of highly organized structures of complex tissue, one must assemble multiple material and cell types into an integrated composite. This combinatorial design incorporates organ-specific layered cell sheets with two distinct biologically-derived materials containing a strong fibrous matrix base, and endothelial cells for enhancing new vessels formation.
09:00
Microdissection of Primary Renal Tissue Segments and Incorporation with Novel Scaffold-free Construct Technology
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Cited by 1 •
2018
Tissue-engineered renal constructs provide a solution for the organ shortage and deleterious effects of dialysis. Here, we describe a protocol to micro dissect murine kidneys for isolation of cortico-medullary segments. These segments are implanted into scaffold-free cellular constructs, forming renal organoids.
08:35
Elastomeric PGS Scaffolds in Arterial Tissue Engineering
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Cited by 21 •
2011
Elastomeric PGS scaffolds with vascular smooth muscle cells cultured in a pulsatile flow bioreactor may lead to promising small-diameter arterial constructs with native ECM production in a relatively short culture period.
09:32
Electrospun Nanofiber Scaffolds with Gradations in Fiber Organization
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Cited by 5 •
2015
Here, we present a protocol to fabricate electrospun nanofiber scaffolds with gradated organization of fibers and explore their applications in regulating cell morphology/orientation. Gradients with regard to physical and chemical properties of the nanofiber scaffolds offer a wide variety of applications in the biomedical field.
07:09
Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold
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Cited by 6 •
2018
We demonstrate a novel method for constructing a single-cell-based 3-dimensional (3D) assembly without an artificial scaffold.
FAQs
Cell-cell interactions can drive organization by helping cells adhere, compact, and assemble into tissue-like arrangements. As cells remain in contact, they can contribute to the formation of their own extracellular matrix, which supports the developing structure. This makes cellular behavior and matrix production central to understanding how scaffold-free tissues acquire organization and function.
Without a preformed biomaterial or synthetic scaffold, the developing tissue can be examined through its intrinsic cellular interactions and self-produced matrix. This reduces dependence on foreign materials and helps researchers investigate how cells organize themselves, generate structural support, and influence tissue formation. The approach therefore emphasizes cell-derived contributions to bioengineered tissue architecture.
Formation depends on a sequence of cellular events that includes aggregation, adhesion, compaction, and extracellular matrix production. Aggregation brings cells together, adhesion stabilizes their contact, and compaction helps create a denser assembly. Subsequent matrix production contributes additional cell-derived support, linking these processes to the organization and development of the construct.
Scaffold-free constructs can be produced as cell sheets, spheroids, or other three-dimensional assemblies. These formats provide different ways to examine how living cells organize into tissue-like structures without a preformed support material. Their range of architectures allows bioengineering studies to consider cellular arrangement and matrix production in more than one structural context.
Researchers can use these constructs to study tissue development, model disease, and evaluate potential regenerative therapies. Their value comes from allowing cellular organization and cell-produced matrix formation to remain central features of the experimental system. Consequently, the same general approach can support both investigations of biological processes and assessments of possible therapeutic strategies.
They can help researchers investigate how cellular organization and extracellular matrix production influence tissue structure and function. Observing these features in cell-derived assemblies provides a way to connect intrinsic cell behavior with tissue-like outcomes. This information is relevant when studying development, constructing disease models, or considering regenerative approaches that depend on organized living tissue.