Digitonin meaning

Digitonin is a steroidal glycoside compound commonly used in biochemical research for its ability to selectively permeabilize cellular membranes.


Digitonin definitions

Word backwards ninotigid
Part of speech The word "digitonin" is a noun.
Syllabic division di-gi-to-nin
Plural The plural of the word digitonin is digitonins.
Total letters 9
Vogais (2) i,o
Consonants (4) d,g,t,n

The Role of Digitonin in Research

Digitonin is a steroidal saponin extracted from the seeds of the foxglove plant. It is commonly used in research laboratories as a mild detergent to permeabilize cell membranes. This unique property of digitonin makes it a valuable tool in various biochemical and cell biology experiments.

Use in Membrane Protein Studies

One of the key applications of digitonin is in the study of membrane proteins. By selectively permeabilizing the cell membrane, digitonin allows researchers to isolate and study specific membrane-bound proteins without disrupting the overall integrity of the cell. This has profound implications for understanding the structure and function of membrane proteins in various biological processes.

Isolation of Mitochondria

Digitonin is also commonly used in the isolation of mitochondria from cells. By disrupting the plasma membrane while leaving the mitochondrial membrane intact, digitonin allows researchers to extract pure samples of mitochondria for further analysis. This is crucial for studying the bioenergetics and metabolic functions of these organelles.

Cholesterol Extraction

Another important application of digitonin is in the extraction of cholesterol from cell membranes. Due to its amphipathic nature, digitonin forms complexes with cholesterol, effectively solubilizing it and aiding in its extraction. This property has significant implications for studying cholesterol metabolism and its role in various disease processes.

Versatility and Gentleness

Digitonin is prized for its versatility and gentleness in permeabilizing cell membranes. Unlike harsher detergents, digitonin maintains the structural integrity of organelles and proteins, making it an ideal choice for delicate experiments. Its mild nature also reduces the risk of denaturation and loss of biological activity in samples.

Important Considerations

When working with digitonin, researchers must carefully optimize the concentration and exposure time to achieve the desired level of membrane permeabilization. Additionally, precautions must be taken to ensure the stability of proteins and organelles during the digitonin treatment. Overall, digitonin remains an invaluable tool in the study of cell biology and biochemistry, offering researchers a gentle yet effective means of permeabilizing cell membranes.


Digitonin Examples

  1. Researchers used digitonin to isolate membrane proteins from the cell.
  2. The detergent digitonin is commonly used in biochemistry experiments.
  3. Digitonin can be a useful tool for studying cellular membranes.
  4. The pharmacological properties of digitonin make it an interesting compound for research.
  5. The solubilization power of digitonin is crucial for certain laboratory techniques.
  6. Scientists are exploring new applications of digitonin in various fields.
  7. Digitonin plays a significant role in disrupting lipid membranes.
  8. The mechanism of action of digitonin involves cholesterol depletion in cells.
  9. Digitonin has been used in studies to investigate membrane protein interactions.
  10. Researchers are still discovering the full potential of digitonin in scientific research.


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  • Updated 09/07/2024 - 18:14:03