Our immune systems can play a duel role in cancer development: both tumor suppression and tumor promotion. Describe how the immune system can both suppress and promote tumor formation

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Keith LeannonLv2

28 Dec 2018

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1. Which of the following statements describe cytotoxicchemotherapy agents used for systemic therapy?

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brownmarten945

1) What is a tumor?

A) List and briefly describe 5 characteristics of a tumor (or tumor cells) as contrasted with the corresponding normal tissue (or cells).

B) What is the defining characteristic of a malignant tumor as opposed to a benign tumor?

C) How do these characteristics support the theory that carcinogenesis is a multistage (i.e. that more than one step occurs during the development of cancer)? Can you suggest a way that one one genetic (or epigenetic) alteration could lead to multiple characteristics of a tumor (hint: consider pleiotropy):