Prepare for the AAB Medical Technologist (MT) Generalist Exam with flashcards and multiple choice questions. Each question includes hints and explanations to boost your understanding. Get exam-ready now!

Multiple Choice

LAK cells are derived from lymphocytes incubated with which cytokine?

LAK cells, or Lymphokine-Activated Killer cells, are a type of immune cell that can effectively kill tumor cells. They are derived from peripheral blood lymphocytes that have been incubated with interleukin-2 (IL-2). IL-2 is a cytokine that plays a vital role in the growth, proliferation, and activation of T cells, especially in the context of immune responses. When lymphocytes are exposed to IL-2, they undergo activation and transformation into LAK cells, enhancing their cytotoxic capabilities against cancerous cells. Interferon-gamma, tumor necrosis factor, and interleukin-6, while important in various immune functions, do not directly promote the formation of LAK cells from lymphocytes in the same way IL-2 does. Interferon-gamma primarily enhances immune responses and has antiviral effects, tumor necrosis factor is involved in inflammation and apoptosis, and interleukin-6 is associated with inflammation and immune responses but does not play a direct role in generating LAK cells. Hence, interleukin-2 is the key cytokine necessary for the activation and transformation of lymphocytes into LAK cells.

LAK cells, or Lymphokine-Activated Killer cells, are a type of immune cell that can effectively kill tumor cells. They are derived from peripheral blood lymphocytes that have been incubated with interleukin-2 (IL-2). IL-2 is a cytokine that plays a vital role in the growth, proliferation, and activation of T cells, especially in the context of immune responses. When lymphocytes are exposed to IL-2, they undergo activation and transformation into LAK cells, enhancing their cytotoxic capabilities against cancerous cells.

Interferon-gamma, tumor necrosis factor, and interleukin-6, while important in various immune functions, do not directly promote the formation of LAK cells from lymphocytes in the same way IL-2 does. Interferon-gamma primarily enhances immune responses and has antiviral effects, tumor necrosis factor is involved in inflammation and apoptosis, and interleukin-6 is associated with inflammation and immune responses but does not play a direct role in generating LAK cells. Hence, interleukin-2 is the key cytokine necessary for the activation and transformation of lymphocytes into LAK cells.