3d Spheroid Formation
3d Spheroid Formation - Related Videos
04:40
Creation of Cardiac Tissue Exhibiting Mechanical Integration of Spheroids Using 3D Bioprinting
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Cited by 55 •
2017
This protocol describes 3D bioprinting of cardiac tissue without the use of biomaterials. 3D bioprinted cardiac patches exhibit mechanical integration of component spheroids and are highly promising in cardiac tissue regeneration and as 3D models of heart disease.
05:39
Extracellular Flux Assay in 3D Spheroids: A Method for Measuring the Metabolic Activity of Pancreatic Tumor Spheroids
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2023
This protocol describes the technique for performing extracellular flux assay on 3D spheroids generated from the co-culture of pancreatic cancer cells (Patu8902) and activated pancreatic fibroblasts (PS1) to measure the two major energy-producing pathways, glycolysis and mitochondrial respiration.
04:01
Spheroid Generation from Cell Lines: A Three-Dimensional (3D) Cell Culture Method
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2023
Spheroids are a type of 3D cell culture model used to more accurately represent a cell’s environment compared to 2D cell culture monolayer models. In the example protocol, we will see scientists generate spheroids from a colorectal cancer cell line and apply live-cell imaging to track the spheroids’ growth.
11:24
Evaporation-reducing Culture Condition Increases the Reproducibility of Multicellular Spheroid Formation in Microtiter Plates
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Cited by 6 •
2017
The uneven loss of medium from microtiter plates affects the reproducibility of uniform multicellular tumor spheroid formation. Improving culture conditions to reduce significant medium loss will improve the reproducibility of spheroid formation and the results of spheroid-based assays using the liquid-overlay technique.
07:46
An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production
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Cited by 67 •
2017
Here, we describe a rapid and flexible protocol for the formation of 3D cell spheroids through cell aggregation. This is easily adapted to multiple cell types and is suitable for use in a variety of applications including cell migration, invasion, or anoikis assays, and for imaging and quantifying cell-matrix interactions.
FAQs
Cell-cell adhesion brings neighboring cells together, while interactions with the extracellular matrix help organize and stabilize the developing aggregate. Under nonadherent conditions, these forces favor compaction and self-assembly rather than attachment to a culture surface. Their combined effects influence the spheroid’s structural organization and create a bioengineered model in which cells interact more closely than in conventional planar culture.
As cells compact into a three-dimensional structure, oxygen, nutrients, and metabolites do not distribute uniformly throughout the aggregate. This produces internal gradients and distinct microenvironments from the outer region to the interior. Those conditions can alter proliferation, differentiation, and drug responses, making spheroids useful for examining how spatial organization influences cell behavior and treatment effects.
Three-dimensional spheroids organize cells into compact aggregates instead of maintaining them on a flat culture surface. This arrangement better reproduces aspects of tissue structure and introduces spatial gradients that are absent or less representative in conventional two-dimensional systems. Consequently, spheroids can reveal changes in proliferation, differentiation, and drug response associated with a more tissue-like cellular environment.
A typical starting approach places cells under nonadherent conditions, using methods such as low-attachment surfaces or hanging drops. Preventing surface attachment encourages cells to contact one another, after which cell-cell adhesion and extracellular matrix interactions support aggregation, compaction, and self-assembly. These conditions provide a controlled basis for generating organized cellular constructs for subsequent bioengineering studies.
3D spheroids are used across tissue engineering, cancer research, regenerative medicine, and toxicity testing. They allow investigators to study cell behavior within organized aggregates and to evaluate how drugs or other interventions act in a tissue-relevant microenvironment. Their formation also supports studies of differentiation and proliferation, helping connect cellular responses with three-dimensional organization.
Spheroids provide a scalable platform for testing biomaterials or therapeutic strategies while cells experience three-dimensional organization and internal gradients. Researchers can examine resulting effects on proliferation, differentiation, and drug responses rather than relying only on flat cultures. In bioengineering, this makes the system relevant for comparing interventions intended to influence tissue development, regeneration, or treatment response.