Some thionins have cytotoxic activity and they are therefore interesting in the development of new drugs against cancer with novel action mechanisms.

The cryptophycins are a family of related depsipeptides showing highly potent cytotoxic activity.

Polyacetylenes can be found in Apiaceae vegetables like celery where they show cytotoxic activities.

One of those substances displays a specific cytotoxic activity against colon cancer cells.

These cells have no cytotoxic activity and do not kill infected cells or clear pathogens directly.

They direct a host's immune system, more specifically the T cells' cytotoxic activity, against cancer cells.

Over 90% of patients infected with C. difficile were found to have cytotoxic activity in their stool.

Extracts prepared from the plant has been reported to possess cytotoxic activity.

The cytotoxic activity is based on cell types, which could range from 4-fold to 200-fold.

However, the main components of its venom are cardiotoxins with cytotoxic activity.