What is an interleukin

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What is an interleukin by
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IL superfamily, a member of larger group
cytokines, is consisting of proteins called
interleukins and interleukin receptors. IL
superfamily members involve with variety of
processes, including immunity, inflammation, and
the formation of blood cells. IL superfamily
members promote the growth of immune system cells
and help regulate the immune system.
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The subfamilies of IL superfamily include IL-1
subfamily, IL-6 subfamily, IL-10 subfamily, IL-12
subfamily, IL-17 subfamily and other interleukins
or receptors. Till now, 43 different IL family
members have been identified according to HGNC.
Most interleukins are named with "IL" followed by
one or more numbers and letters (for example,
IL12B) so that interleukin receptors have similar
names. Whats more, they are also followed with
"R" to show that they are receptor proteins (such
as IL36RN).
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Interleukins are secreted by several types of
cells, mainly about immune system cells
T-lymphocytes and B-lymphocytes. Interleukins
function by binding to interleukin receptors,
which are embedded in the outer cell membranes.
Once an interleukin binds to its receptor, a
series of chemical signals within the cell that
regulate various cell functions are triggered.
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