Immune Checkpoint Inhibitors

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Questions and Answers

What is the primary objective of administering cytokines such as IL-2, IL-7, and IL-15 in T cell recovery?

  • To promote T cell expansion (correct)
  • To selectively remove alloreactive T cells
  • To suppress cell-mediated immune responses
  • To enhance humoral immune response

Which molecule is involved in the deactivation of T cells?

  • MHC II
  • CD4
  • PD1 (correct)
  • TCR

Adoptive transfer of which type of cells is used to control GvHD in cellular therapies?

  • Regulatory cells (CD4, CD25, FOXP3) (correct)
  • Dendritic cells
  • Mesenchymal stromal cells
  • Cytotoxic T cells

What is the primary goal of immune checkpoint inhibitors in cancer treatment?

<p>To overcome the mechanisms by which tumours evade the immune system (D)</p> Signup and view all the answers

What is the primary goal of reducing the risk of GvHD in cancer immunotherapy?

<p>To allow for the injection of a specific quantity of T cells from the donor (C)</p> Signup and view all the answers

Which type of tumour cell killing is dependent on the presence of antigens?

<p>Antigen-dependent (B)</p> Signup and view all the answers

What is the primary mechanism of co-transplant mesenchymal stromal cells in cellular therapy?

<p>Suppressing cell-mediated immune responses (D)</p> Signup and view all the answers

What is the primary challenge in using mesenchymal stromal cells in cellular therapy?

<p>Difficulty in accessing labs with MSCs available (B)</p> Signup and view all the answers

What is a major challenge in the development of T-cell-based therapies?

<p>Optimising the specificity and persistence of engineered T cells (C)</p> Signup and view all the answers

Which type of immune response involves the activation of B cells and plasma cells?

<p>Humoral response (C)</p> Signup and view all the answers

What is the primary objective of specific removal of alloreactive T cells in cellular therapy?

<p>To reduce the risk of GvHD (A)</p> Signup and view all the answers

What is the role of CTLA4 in T-cell activation and deactivation?

<p>Deactivates T cells (D)</p> Signup and view all the answers

What is a critical factor in the immune system's ability to recognize and target tumour cells?

<p>Antigen expression (A)</p> Signup and view all the answers

What is a potential consequence of immune-mediated selection of tumour cells?

<p>Development of more resistant tumour cells (C)</p> Signup and view all the answers

What is a mechanism by which the immune system can eliminate tumour cells?

<p>Immunological cell death (A)</p> Signup and view all the answers

Why is immunotherapy a preferred approach to cancer treatment?

<p>It is better targeted, more personalised, and often has less side effects (B)</p> Signup and view all the answers

What is a consequence of the absence of neoantigens in tumour cells?

<p>Smouldering inflammation and promotion of malignant transformation (D)</p> Signup and view all the answers

How can somatic mutations be used to predict neoantigens in tumour cells?

<p>Based on the type of mutation and HLA type (D)</p> Signup and view all the answers

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