Tissue Lysis Protocol
Tissue Lysis Protocol - Related Videos
01:32
Tissue Homogenization and Cell Lysis
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2023
Tissue homogenization involves disintegrating tissue architecture and lysing cells, and is an early step in isolating and analyzing cellular components. The method used for homogenization depends on the sample type, the amount of sample available, the analyte to be obtained, and the sensitivity of the method. These methods are broadly classified as mechanical and non-mechanical methods. Mechanical methods of tissue homogenization These methods rely on applying external physical force to disrupt...
09:53
Automated Microfluidic Blood Lysis Protocol for Enrichment of Circulating Nucleated Cells
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Cited by 4 •
2009
An automated microfluidic device was developed for circulating nucleated cell enrichment from peripheral blood via erythrocyte lysis that ensures isolation of high quality sample without cell loss.
03:12
A Procedure for Bacterial Harvesting and Mechanical Lysis
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2025
Source: Mercier, N., et al. MS2-Affinity Purification Coupled with RNA Sequencing in Gram-Positive Bacteria. J. Vis. Exp. (2021)This video demonstrates a step-by-step procedure for harvesting bacterial cells and mechanically lysing them to release intracellular contents.
04:11
Isolation of Endospores from an Environmental Sample by Targeted Lysis of Vegetative Cells
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2025
Source: Wunderlin, T., et al. Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells. J. Vis. Exp. (2016)This video demonstrates a method to isolate endospores from an environmental sample containing both vegetative cells and various bacteria. The procedure involves filtration, mechanical disruption, and selective chemical treatment to weaken and lyse vegetative cells while preserving endospores. The final step isolates the resilient endospores through...
09:38
Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells
0 Views •
Cited by 17 •
2016
A method to single out bacterial endospores from complex microbial communities was developed to perform tailored culture or molecular studies of this group of bacteria.
FAQs
These approaches weaken tissue at different structural levels. Mechanical disruption physically breaks the sample, lysis buffers chemically compromise cellular barriers, and enzymatic digestion helps break down extracellular structures. Using one approach or combining several depends on the tissue and the component being collected. This coordinated disruption can improve release while keeping the desired biomolecules suitable for downstream analysis.
DNA, RNA, and proteins require preservation of different molecular targets during sample processing. A condition that improves release may not maintain every biomolecule equally well, so the protocol must prioritize the intended analysis. Careful adjustment of the disruption approach and lysis environment helps balance extraction yield with sample integrity, which directly affects gene expression, mutation, biomarker, or protein measurements.
Mechanical disruption primarily breaks tissue through physical force, whereas chemical lysis uses buffer components to weaken cellular barriers and enzymatic digestion acts on tissue structures through biological catalysts. These mechanisms are complementary rather than interchangeable. Selecting among them, or combining them, allows researchers to adapt sample processing to the tissue structure and the intracellular material they need to analyze.
A typical workflow begins by identifying the tissue sample and the target biomolecule, followed by selecting an appropriate mechanical, chemical, or enzymatic strategy. The tissue is then disrupted under controlled lysis conditions, and the released material is collected for the intended analysis. Maintaining those conditions throughout processing supports adequate yield and protects the integrity of the extract.
Researchers can process tumor tissue to characterize molecular features associated with the cancer itself and use surrounding tissue to provide a comparison within the same investigation. Analyzing both sources can support assessment of differences in DNA, RNA, or protein content. This paired strategy is relevant to biomarker detection, molecular characterization, and studies examining treatment-related changes.
The resulting extract can support several molecular investigations, including gene expression studies, mutation analysis, biomarker detection, and immunoblotting. These applications examine different classes of cellular information, so the lysis conditions should be chosen around the planned readout. When the target material remains intact and sufficiently abundant, the protocol strengthens interpretation of tumor biology and treatment-related findings.