Tissue Fragmentation
Tissue Fragmentation - Related Videos
07:09
Isolation of Murine Adipose Tissue-derived Microvascular Fragments as Vascularization Units for Tissue Engineering
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Cited by 58 •
2017
We present a protocol to isolate adipose tissue-derived microvascular fragments that represent promising vascularization units. They can be rapidly isolated, do not require in vitro processing and, thus, may be used for one-step prevascularization in different fields of tissue engineering.
02:31
Habitat Fragmentation
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2020
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition. Perforation and dissection often occur during the initial stages of...
06:13
Electroeluting DNA Fragments
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Cited by 8 •
2010
This procedure allows the purification of DNA fragments with high yield.
11:24
Three-Dimensional Culture of Vascularized Thermogenic Adipose Tissue from Microvascular Fragments
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Cited by 2 •
2023
Here, we present a detailed protocol outlining the use of microvascular fragments isolated from rodent or human fat tissue as a straightforward approach to engineer functional, vascularized beige adipose tissue.
09:14
Human Adipose Tissue Micro-fragmentation for Cell Phenotyping and Secretome Characterization
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Cited by 11 •
2019
Here, we present human adipose tissue enzyme-free micro-fragmentation using a closed system device. This new method allows the obtainment of sub-millimeter clusters of adipose tissue suitable for in vivo transplantation, in vitro culture, and further cell isolation and characterization.
FAQs
Mechanical and enzymatic steps affect tissue at different structural levels. Cutting, mincing, and shearing directly reduce fragment size, whereas enzymatic digestion loosens the extracellular matrix and can promote cell separation. Combining them allows investigators to adjust whether they prioritize intact tissue pieces, more individualized cells, or an intermediate preparation suited to the planned analysis or culture.
Fragment size must be matched to the intended endpoint rather than minimized automatically. More extensive processing can improve sample uniformity and support cell suspensions, but it may reduce cell viability or weaken cell-cell interactions. Less disruption may preserve native relationships while producing a more heterogeneous sample. This tradeoff affects how confidently microscopy, molecular assays, or culture results represent the starting tissue.
Preserving cell-cell interactions can be important when the research question depends on tissue organization or communication between neighboring cells. Fragmentation that separates cells too thoroughly may change those relationships, while larger fragments can retain more local structure. Consequently, the selected processing extent influences whether results describe isolated-cell behavior or features that depend on multicellular context.
Begin by defining whether the experiment requires tissue fragments or a cell suspension. Apply an appropriate mechanical approach, such as cutting, mincing, or shearing, and add enzymatic digestion when loosening the extracellular matrix is needed. Then consider the resulting degree of disruption in relation to viability, uniformity, and preserved cell-cell interactions before using the preparation.
The resulting material can support microscopy, molecular assays, primary cell culture, and tissue engineering studies. Fragmented tissue may be useful when investigators need to examine structure, measure molecular features, establish cultures, or manipulate cells in an engineered context. The appropriate preparation depends on whether the study requires observable tissue organization, separated cells, or a balance between the two.
Controlled processing is essential for comparing samples because inconsistent disruption can alter cell viability, fragment uniformity, and retention of cell-cell contacts. Those changes may affect downstream measurements independently of the biological condition under study. In practice, documenting and maintaining a consistent fragmentation extent helps distinguish true experimental differences from variation introduced during sample preparation.