Metastasis Process: Steps and Mechanisms
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is responsible for inducing migration by producing Rho family proteins?

  • HGF (Hepatocyte growth factor)
  • FGF (Fibroblast growth factor)
  • PDGF (Platelet-derived growth factor)
  • EGF (Epidermal growth factor) (correct)
  • What is the process by which a tumor cell transitions back to an epithelial state after migrating to a new location?

  • Intravasation
  • EMT
  • MET (correct)
  • Colonization
  • What is the role of Zeb 1 and 2 in EMT?

  • They inhibit EMT
  • They support mesenchymal form (correct)
  • They are involved in the degradation of E-Cadherin
  • They support epithelial form
  • What is the purpose of EMT in embryogenesis?

    <p>To allow for the migration of cells during embryogenesis</p> Signup and view all the answers

    What is the purpose of the Rho family proteins?

    <p>Increased motility</p> Signup and view all the answers

    Which of the following is a protease that contributes to the invasiveness of tumors?

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

    Which of the following is an oncogene that, if overexpressed, could lead to cancer?

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

    What is the role of CD34 in tumor invasion?

    <p>To produce MMP proteases</p> Signup and view all the answers

    Which of the following factors recruits tumor-associated macrophages?

    <p>CSF-1</p> Signup and view all the answers

    What is the function of Invadosome?

    <p>Invasion of the space made by the MMPs</p> Signup and view all the answers

    What is the significance of high levels of TILs in cancer prognosis?

    <p>It indicates a good prognosis</p> Signup and view all the answers

    What induces the migration of cells during EMT?

    <p>TGF-Beta</p> Signup and view all the answers

    What is the primary function of cell-mediated immunity according to Lewis Thomas?

    <p>To protect against cancer</p> Signup and view all the answers

    When is surgical removal of a tumor most critical?

    <p>When it's benign and has intact basement membrane</p> Signup and view all the answers

    What is the primary way that cancer cells evade the immune system?

    <p>By reducing MHC I presentation</p> Signup and view all the answers

    What is the difference between TSAs and TAAs?

    <p>TSAs are found in mouse cells only, while TAAs are found in tumor cells more than in normal cells</p> Signup and view all the answers

    What is the role of perforin-granzyme in the immune response?

    <p>It is involved in the Fas pathway</p> Signup and view all the answers

    What is the significance of vitiligo in melanoma prognosis?

    <p>It is a good prognostic factor</p> Signup and view all the answers

    What is the role of TGF-beta in cancer?

    <p>It binds to TGF-beta receptors on lymphocytes and kills them</p> Signup and view all the answers

    What is the purpose of active immunization in cancer treatment?

    <p>To expose more tumor antigens, wake up Tc cells, and expose more TIL cells</p> Signup and view all the answers

    What is the target of the Herceptin antibody in cancer treatment?

    <p>Her-2</p> Signup and view all the answers

    What is the role of mTOR in cancer?

    <p>To promote transcription of oncogenes</p> Signup and view all the answers

    What is the target of the anti-NFkappaB drug Velcade?

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

    What is the goal of downstaging in cancer treatment?

    <p>To detect cancer at an early stage</p> Signup and view all the answers

    What is the first step in the journey to therapeutic treatment for cancer?

    <p>Understanding the biology of cancer</p> Signup and view all the answers

    Which of the following is a target of biotherapy in cancer treatment?

    <p>Proteins involved in cancer</p> Signup and view all the answers

    What is the purpose of immune checkpoint inhibition in cancer treatment?

    <p>To block the receptor for the 'don't eat me' signal on T cells</p> Signup and view all the answers

    What is the primary target of chemotherapy and radiation in cancer treatment?

    <p>DNA of actively proliferating tumor cells</p> Signup and view all the answers

    What is the function of P-glycoprotein in cancer cells?

    <p>To act as a drug pump</p> Signup and view all the answers

    What happens if you only target non-CSCs in cancer treatment?

    <p>The tumor will initially regress then grow back</p> Signup and view all the answers

    More Like This

    Cancer Biology and Cell Cycle Control
    8 questions
    Cancer Cell Biology and Mutations
    197 questions
    Cancer Biology: Cell Dissemination & ECM
    31 questions
    Use Quizgecko on...
    Browser
    Browser