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Question
Immunotherapy these days is one of the most efficient ways of treatment of cancer. The therapy involved activates the immune system and destroys the tumour.
- Write an example of one such biological response modifier used in immunotherapy.
- Why do patients need such substances if immune system is already working in body?
- State what is 'Contact inhibition'.
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Solution
- The patients are given substances called biological response modifiers such as α-interferon, which activate their immune system and help in destroying the tumour.
- These are required to generate responses against the body's own cellular issues, such as cancer or autoimmune disorders.
- Normal cells show a property called contact inhibition, by virtue of which contact with other cells inhibits their uncontrolled growth.
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