Cancer Genetics: Mutation Frequencies
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Questions and Answers

Which type of gene has the highest mutation frequency among tumor suppressor genes in the most common cancers?

  • KRAS
  • CDK4
  • TP53 (correct)
  • RB1
  • In which cancer type is the mutation frequency of phosphatases the lowest?

  • Cervical cancer (correct)
  • Thyroid cancer
  • Bladder cancer
  • Liver cancer
  • Among the transcription factors listed, which one has the highest mutation frequency in lung cancer?

  • NF-kB (correct)
  • TP53
  • CDK4
  • c-Myc
  • Which gene shows the highest mutation frequency in breast cancer?

    <p>TP53</p> Signup and view all the answers

    Which of the following gene types has the lowest overall mutation frequency across the provided cancers?

    <p>Phosphatases</p> Signup and view all the answers

    What is the mutation frequency of the KRAS gene in colorectal cancer?

    <p>35.06</p> Signup and view all the answers

    Which gene has a higher mutation frequency in the liver than in the prostate?

    <p>CDK6</p> Signup and view all the answers

    What is the mutation frequency of the gene RB1 in cervical cancer?

    <p>8.35</p> Signup and view all the answers

    Study Notes

    Table 1: Frequency of Mutations in Driver Genes

    • Oncogenes: 89.4% mutated frequency
    • Tumor suppressor genes: 90.5% mutated frequency
    • Kinases: 61.8% mutated frequency
    • Phosphatases: 19.3% mutated frequency
    • Transcription factors: 72.2% mutated frequency

    Table 2: Frequency of Altered Genes in Common Cancers

    • Oncogenes:

      • Lung: 98.3%
      • Breast: 92.9%
      • Colorectal: 98.2%
      • Prostate: 86.3%
      • Stomach: 96.7%
      • Liver: 92.6%
      • Thyroid: 93.3%
      • Cervix: 97.9%
      • Bladder: 94.2%
    • Tumor suppressor genes:

      • Lung: 98.85%
      • Breast: 95.1%
      • Colorectal: 99.3%
      • Prostate: 93.7%
      • Stomach: 99.5%
      • Liver: 97.3%
      • Cervix: 95.2%
      • Bladder: 94.2%
    • Kinases:

      • Lung: 87.3%
      • Breast: 68.4%
      • Colorectal: 79.4%
      • Prostate: 55.6%
      • Stomach: 75.2%
      • Liver: 73.3%
      • Thyroid: 71.9%
      • Cervix: 79.2%
      • Bladder: 79.2%
    • Phosphatases:

      • Lung: 35.45%
      • Breast: 11.5%
      • Colorectal: 31.5%
      • Prostate: 31.8%
      • Stomach: 41.1%
      • Liver: 16.6%
      • Thyroid: 3.5%
      • Cervix: 11.6%
      • Bladder: 19.9%
    • Transcription factors:

      • Lung: 92.3%
      • Breast: 79.2%
      • Colorectal: 94.6%
      • Prostate: 72.3%
      • Stomach: 92.6%
      • Liver: 81.4%
      • Thyroid: 21.4%
      • Cervix: 76.7%
      • Bladder: 86.9%

    Table 3: Frequency of Mutations in Certain Genes in Different Cancer Types

    • This table shows the frequency of mutations in specific genes (CDK4, CDK6, TP53, KRAS, RB1) across different cancer types (Lung, Breast, Colorectal, etc.)
    • Data is presented as a percentage for each gene-cancer type combination.

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    Description

    Explore the frequencies of mutations in driver genes and their involvement in common cancers. This quiz covers oncogenes, tumor suppressor genes, kinases, and phosphatases across various types of cancer. Test your understanding of these critical genetic factors in cancer biology.

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