Tissue Core Transfer
Tissue Core Transfer - Related Videos
08:30
Preparation of Formalin-fixed Paraffin-embedded Tissue Cores for both RNA and DNA Extraction
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Cited by 53 •
2016
This modified extraction protocol improves RNA and DNA yields from more precisely targeted regions of interest in histopathologic tissue blocks.
02:10
The Nucleosome Core Particle
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2020
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins. The paradox Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
10:10
A Model of Free Tissue Transfer: The Rat Epigastric Free Flap
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Cited by 23 •
2017
This paper describes the steps required to raise a fasciocutaneous epigastric free flap and transfer it to the neck in the rat.
05:52
Core/shell Printing Scaffolds For Tissue Engineering Of Tubular Structures
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Cited by 21 •
2019
Presented here is a simple-to-use, core/shell, three-dimensional bioprinting set-up for one-step fabrication of hollow scaffolds, suitable for tissue engineering of vascular and other tubular structures.
02:23
Visualizing the Effect of pH on Solubilization of the Influenza A Viral Core
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2026
Source: Stauffer, S. et al., In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation. J. Vis. Exp. (2016)This video demonstrates the effect of pH on the solubilization of influenza A viral cores. Gel electrophoresis and protein staining reveal the progressive disassembly of the core structure under acidic conditions.
FAQs
Spatial identity links every core to its selected donor region and specimen source. Maintaining that relationship allows researchers to interpret morphology, biomarker findings, and treatment-related changes in the correct tissue context. This organization is especially valuable when many patient samples occupy one recipient block, because comparative observations remain traceable rather than becoming mixed or ambiguous.
The hollow biopsy punch or tissue-array instrument determines how selected regions are removed and positioned in the recipient block. Precise sampling helps retain the intended tissue area and supports consistent placement across many cores. That consistency improves the reliability of parallel comparisons, particularly when researchers evaluate differences in morphology or biomarker expression among patient specimens.
The embedding matrix, such as paraffin, receives and stabilizes the transferred cores within the recipient block. Correct placement in this matrix preserves the organized arrangement needed for examining multiple samples together. Because the matrix forms the shared preparation, researchers can assess selected tissue regions under consistent preparation conditions while conserving portions of valuable donor material.
Representation depends on selecting the appropriate donor region, removing a small cylindrical piece from that location, and placing it precisely in the planned position. Preserving spatial identity throughout these steps is essential. When selection and placement remain aligned, the resulting preparation better supports meaningful comparisons of morphology, biomarkers, and treatment-related changes across specimens.
Researchers first identify and select regions in donor specimens, then use a hollow biopsy punch or tissue-array instrument to remove cylindrical cores. Each core is transferred to a designated position in a recipient block containing paraffin or another embedding matrix. The organized placement creates a single preparation in which multiple samples can be examined comparatively.
A recipient block can organize many patient-derived cores into one preparation, enabling parallel analysis of selected tissue regions. This design improves experimental consistency and conserves valuable tissue while supporting direct comparison among samples. In medicine, those advantages are relevant to pathology, cancer research, and diagnostic development, where morphology and biomarker findings must be evaluated across specimens.
The resulting organized preparation supports assessment of tissue morphology, biomarker patterns, and changes associated with treatment. Researchers can compare these features across many patient samples while retaining each core’s spatial identity. Such comparisons contribute to pathology studies, cancer research, and diagnostic development by bringing related observations into a consistent, efficiently arranged format.