344- cytokines

What are cytokines?

• Antibodies that deliver messages between immune cells

• receptors that accept messages from immune cells

• proteins the immune system uses to communicate

• A subtype of immune cells

Why are some cytokines redundant?

• Because several cytokines can induce the same response

• because there are many of them

• because they can induce different responses in different immune cells

• All of the above

Which of the following cytokines is an endogenous pyrogen?

• IFN-α

• TNF-α

• IL-1

• IL-10

Which of the following cytokines are anti-inflammatory?

• IL-1

• IL-10

• IL-2

Which family of cytokines can drive growth of immune cells?

• IFN-

• IL-

• CSF-

• TNF-

Which of the following may explain cytokines' overlap of function?

• Overlap of cytokine chain

• Receptors are all different in their structure

• Overlap of receptor chain

• Cytokines are pleiotropic

How can IL-2 be used in treating cancer?

• inhibits cancer cell growth

• activates NK cells

• activated TGF-b

• inhibits T-reg cells