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Related Concept Videos

Abnormal Proliferation02:23

Abnormal Proliferation

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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
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OverviewStaining techniques in microscopy enhance the visualization of microorganisms by increasing contrast and allowing the differentiation of cellular structures. Simple staining is one of the fundamental methods used to observe the basic morphological characteristics of microorganisms, including their size, shape, and arrangement. This method relies on the application of a single dye to stain the entire cell, producing a clear contrast between the cell and the background.FixationFixation is...
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Differential staining is an essential microbiological technique that exploits variations in cell wall structures to classify and identify microorganisms. It facilitates the distinction of bacteria, aiding in diagnostic and research applications. Two of the most widely used differential staining methods are Gram staining and acid-fast staining, both of which rely on the chemical and structural differences in bacterial cell walls.Gram Staining TechniqueGram staining differentiates bacteria by...
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Breast Milk Enhances Growth of Enteroids: An Ex Vivo Model of Cell Proliferation
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Whole-mount Enteroid Proliferation Staining.

Caitlyn W Barrett1, Sarah P Short1, Yash A Choksi1

  • 1Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, and Department of Cancer Biology, Vanderbilt University Medical School, Nashville, USA.

Bio-Protocol
|January 16, 2018
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Summary
This summary is machine-generated.

This study presents a whole-mount proliferation staining method for enteroids (small intestinal organoids). This technique accurately visualizes all proliferating cells in three dimensions, offering a comprehensive view of intestinal crypt growth dynamics.

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Area of Science:

  • Gastroenterology
  • Cell Biology
  • Developmental Biology

Background:

  • Small intestinal organoids (enteroids) are valuable in vitro models for studying intestinal biology.
  • Understanding crypt growth dynamics is crucial for investigating gene expression, drug effects, and mutations.
  • Current methods may not fully represent proliferation across all intestinal cell types.

Purpose of the Study:

  • To describe a novel 3D visualization protocol for proliferating cells within enteroids.
  • To enable accurate assessment of intestinal crypt growth and stem cell properties.

Main Methods:

  • Development of a whole-mount proliferation staining protocol for enteroids.
  • Utilizing EdU (5-ethynyl-2'-deoxyuridine) incorporation for labeling proliferating cells.
  • 3D visualization of stained enteroids.

Main Results:

  • The whole-mount EdU staining method allows visualization of all proliferating cells within the enteroid.
  • This technique provides a comprehensive representation of proliferation from stem cells to differentiated cells.
  • It overcomes limitations of traditional sectioning methods for assessing growth dynamics.

Conclusions:

  • Whole-mount proliferation staining is an effective method for studying enteroid growth dynamics.
  • This protocol offers a more accurate representation of intestinal crypt proliferation in vitro.
  • It enhances the utility of enteroids as a model for intestinal biology research.