Chemotactic factor (involved in chemotaxis) that recruits specific subsets of leukocytes to sites of tissue damage and distress. 

University of Notre Dame

Three important classes of cytokines are:
- Interleukins
- Chemokines
- Interferons

Classes of Cytokines

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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Cytokines known for being produced by and stimulating leukocytes, but can also be produced by other cells for functions other than immune response

Interleukin

Chemokine

Immune signaling molecules important in defending against viruses. Type I interferons, interferon alpha and beta, are produced by viral infected cells and work to inhibit viral spread by stopping mRNA production and destroying produced RNA. They also act to stimulate an immune response from other cells to further the attack on the virus. Type II interferons also act to stimulate an immune response.

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