31. This compound shows cytotoxic activity against human cancer cells. 32. Several other pigments have been shown to be cytotoxic . 33. Opening of these channels result in cellular depolarization and blebbing causing cytotoxic edema. 34. One of those substances displays a specific cytotoxic activity against colon cancer cells. 35. It prevents SWNTs from being cytotoxic and altering the function of immune cells. 36. Some are being investigated as the cytotoxic component of antibody-drug conjugates. 37. However, it is only cytotoxic in amounts of greater than 20 ?M. 38. Cytotoxic drugs administered during chemotherapy target cells with fast turnovers such as malignant cells.39. Further, cytotoxic venom components can cause pain and scarring at the immunization site. 40. In the granules of cytotoxic lymphocytes the enzyme can exist in two glycosylated forms.