|A service of the U.S. National Library of Medicine®|
On this page:
What is the official name of the IL21 gene?
The official name of this gene is “interleukin 21.”
IL21 is the gene's official symbol. The IL21 gene is also known by other names, listed below.
Read more about gene names and symbols on the About page.
What is the normal function of the IL21 gene?
How are changes in the IL21 gene related to health conditions?
Where is the IL21 gene located?
Cytogenetic Location: 4q26-q27
Molecular Location on chromosome 4: base pairs 122,612,627 to 122,621,056
The IL21 gene is located on the long (q) arm of chromosome 4 between positions 26 and 27.
More precisely, the IL21 gene is located from base pair 122,612,627 to base pair 122,621,056 on chromosome 4.
See How do geneticists indicate the location of a gene? in the Handbook.
Where can I find additional information about IL21?
You and your healthcare professional may find the following resources about IL21 helpful.
You may also be interested in these resources, which are designed for genetics professionals and researchers.
What other names do people use for the IL21 gene or gene products?
See How are genetic conditions and genes named? in the Handbook.
Where can I find general information about genes?
The Handbook provides basic information about genetics in clear language.
These links provide additional genetics resources that may be useful.
What glossary definitions help with understanding IL21?
adaptive immunity ; antibody ; B-cells ; cell ; chronic ; cytokine ; deficiency ; differentiation ; gene ; immune response ; immunodeficiency ; isoforms ; killer cells ; natural killer cells ; NK cells ; proliferation ; protein ; psoriasis ; secretion ; T-cells ; transcript
You may find definitions for these and many other terms in the Genetics Home Reference Glossary.
See also Understanding Medical Terminology.
The resources on this site should not be used as a substitute for professional medical care or advice. Users seeking information about a personal genetic disease, syndrome, or condition should consult with a qualified healthcare professional. See How can I find a genetics professional in my area? in the Handbook.