Cytokines in Immunology
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Questions and Answers

What is the primary function of chemokines, a subset of cytokines?

  • To inhibit immune cell growth
  • To stimulate immune cell movement towards a target (correct)
  • To facilitate immune cell differentiation
  • To regulate immune cell death
  • Which type of cells primarily produce interleukins?

  • Epithelial cells
  • Fibroblasts
  • Leukocytes (WBC) (correct)
  • Endothelial cells
  • What is the primary mechanism by which interferons protect cells from viral infections?

  • By enhancing immune cell migration
  • By inhibiting viral replication (correct)
  • By inducing inflammation
  • By stimulating immune cell proliferation
  • Which of the following cytokines is not primarily involved in immune cell regulation?

    <p>Growth Factors</p> Signup and view all the answers

    Which cell types are capable of secreting cytokines?

    <p>Leukocytes and fibroblasts</p> Signup and view all the answers

    Study Notes

    Cytokines

    • Small proteins that play a crucial role in controlling the growth and activity of immune cells and blood cells
    • Produced by various cell types, including leukocytes and fibroblasts

    Subtypes of Cytokines

    • Chemokines: a subset of cytokines that facilitate the movement of immune cells towards a target
    • Interleukins: produced by leukocytes and act on leukocytes (White Blood Cells)
    • Interferons: "interfere" with viral replication by protecting cells from virus infections
    • TNF (Tumor Necrosis Factor)
    • Growth Factors

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    Description

    Explore the role of cytokines, small proteins that regulate immune and blood cells, including chemokines, interleukins, interferons, and growth factors.

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