Britannica Sources used in this answer

How do tissue cultures help scientists study viruses and disease-causing microorganisms?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

tissue culture Tissue culture often requires sterile working conditions and thus is typically performed in a laminar flow cabinet (or tissue culture hood), which circulates filtered air to reduce the risk of culture contamination.

Tissue culture serves as a vital research tool by providing a controlled environment where scientists can introduce viruses, disease-causing microorganisms, or other biological agents to living cells.1

By adding these agents to a culture, researchers can observe global changes in cell behavior and function, or monitor specific molecular alterations, such as changes in gene or protein expression. This method allows for the study of how these pathogens interact with cells, which has been instrumental in several key areas of medical science:1

Vaccine Development: Since many viruses grow effectively in tissue culture, the technique is used to produce vaccines for infectious diseases such as influenza, measles, mumps, and poliomyelitis.1
Therapeutic Research: Scientists use these cultures to test new drugs and identify viral inhibitors, such as interferon.1
Diagnostic Insights: Tissue culture helps identify infections and clarify the biological mechanisms behind various diseases, including the differences between normal and abnormal cells.1

By maintaining these cells outside the body under precise conditions, scientists can safely and systematically investigate the effects of pathogens on human and animal biology.12