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Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
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Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
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Matrix-assisted laser desorption ionization (MALDI) is a powerful analytical technique used in mass spectrometry. It enables the identification and characterization of various biomolecules, including proteins, peptides, nucleic acids, and carbohydrates. MALDI is an ionization technique, widely employed in biological and medical research, as well as in fields like pharmacology and biochemistry.The analyte of interest, a biomolecule or a mixture of biomolecules, is mixed with a suitable matrix...
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DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
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Related Experiment Video

Updated: Feb 4, 2026

Laser Capture Microdissection of Mammalian Tissue
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Live Cell Isolation by Laser Capture Microdissection.

Ekaterina A Elesina1,2, Ulyana V Khlebnikova1,2, Oleg V Podgorny1,3,4

  • 1Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.

Methods in Molecular Biology (Clifton, N.J.)
|February 2, 2026
PubMed
Summary

Live cell laser microdissection enables precise isolation of single cells and cell colonies from cultures. This method preserves cell integrity for downstream molecular profiling and recultivation.

Keywords:
Cell cultureCell separationIsolation of live cellsLaser microdissectionRecultivation

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Area of Science:

  • Cell biology
  • Molecular biology
  • Biotechnology

Background:

  • Accurate molecular profiling requires pure and homogeneous cell samples.
  • Existing cell isolation methods often detach cells, impacting downstream analyses.
  • Live cell isolation is crucial for omics studies and recultivation.

Purpose of the Study:

  • To present a novel protocol for live cell isolation using laser microdissection.
  • To enable the collection of single cells and cell fragments without substrate detachment.
  • To facilitate downstream molecular profiling and recultivation of intact cells.

Main Methods:

  • Live cell laser microdissection (LCLM) technique.
  • Gravity transfer for collecting isolated cells.
  • Application on adherent cell cultures.

Main Results:

  • Successful isolation of single cells and cell colonies.
  • Preservation of cell integrity and intact state.
  • Demonstrated feasibility for downstream omics analyses and recultivation.

Conclusions:

  • Live cell laser microdissection with gravity transfer is an effective method for obtaining pure cell populations.
  • This technique overcomes limitations of traditional cell isolation methods.
  • It supports advanced molecular profiling and cell recultivation applications.