Immune Responses and Receptor Roles
7 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 receptors are considered the main activating receptors in T cells?

  • TCR complex and CD28 (correct)
  • B7 molecules and CD28
  • CD4+ and CD8+ T cells
  • CTLA-4 and PD-1
  • What is the function of CTLA-4?

  • To enhance costimulation by CD28
  • To activate responding T cells
  • To suppress the activation of responding T cells (correct)
  • To remove B7 molecules from the surface of APCs
  • Which receptor has a higher affinity for B7 molecules than CD28?

  • CTLA-4 (correct)
  • TCR complex
  • PD-1
  • CD4+
  • Which receptors on T cells are currently being tested as targets of checkpoint blockade therapy?

    <p>CTLA-4 and PD-1</p> Signup and view all the answers

    What is the role of PD-1 in situations of chronic or repeated antigenic stimulation?

    <p>PD-1 inhibits kinase-dependent activating signals</p> Signup and view all the answers

    What is the term used to describe the therapy that blocks inhibitory receptors to enhance antitumor immune responses?

    <p>Checkpoint blockade</p> Signup and view all the answers

    What is the function of regulatory T cells?

    <p>They inhibit the activation of naive T cells and effector T cell differentiation</p> Signup and view all the answers

    More Like This

    Immune Responses vs Tumor Growth
    9 questions
    Functional Roles of Cannabinoid Receptors Quiz
    30 questions
    Use Quizgecko on...
    Browser
    Browser