Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 11.7, Problem 1TYK
Summary Introduction

Introduction:

Cancer is a class of diseases that include abnormal growth of cells with the ability to invade or spread to other parts of the body. It differs from the tumors that are benign and do not spread.

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Cancer is caused by many different types of gene mutations. Some mutations are in proto-oncogenes, which lead to overexpression of the genes, and other mutations are in tumor suppressor genes, which lead to under expression or no expression in these genes. Which kinds of gene mutations would RNA interference (RNAi) be better at treating? Explain.
Cells in a tumor contain mutated copies of a particular gene that promotes tumor growth. Gene therapy can be used to introduce a normal copy of this gene into the tumor cells. Would you expect this therapy to be effective if the mutated gene were an oncogene? A tumor-suppressor gene? Explain your reasoning.
What is the difference between an oncogene and a tumor-suppressorgene? Give two examples of each type of gene.
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What is cancer? What causes cancer and how is it treated? *UPDATE*; Author: Cancer Treatment Centers of America - CTCA;https://www.youtube.com/watch?v=_N1Sk3aiSCE;License: Standard Youtube License