Cytokines in Immunology
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Cytokines in Immunology

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

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Questions and Answers

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

To stimulate immune cell movement towards a target

Which type of cells primarily produce interleukins?

Leukocytes (WBC)

What is the primary mechanism by which interferons protect cells from viral infections?

By inhibiting viral replication

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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