IL1A

protein-coding

interleukin 1 alpha, the group of Interleukins

Gene summary

The protein encoded by this gene is a member of the interleukin 1 cytokine family. This cytokine is a pleiotropic cytokine involved in various immune responses, inflammatory processes, and hematopoiesis. This cytokine is produced by monocytes and macrophages as a proprotein, which is proteolytically processed and released in response to cell injury, and thus induces apoptosis. This gene and eight other interleukin 1 family genes form a cytokine gene cluster on chromosome 2. It has been suggested that the polymorphism of these genes is associated with rheumatoid arthritis and Alzheimer's disease. [provided by RefSeq, Jul 2008]

Previous symbols:
  • IL1

MANE transcript

NM_000575.5

Inheritance

—

ClinVar variants

U:34B:9

Top phenotype

IL1A-related disorder

gnomAD constraint

pLI —, LoF o/e 0.7

Max pathogenic AF

—

Genomic locus

chr2:112,773,925-112,784,493

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~10.6 kb
Loading mutation effect viewer...

GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

No GenCC data available for this gene.

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to IL1A variants in ClinVar

3 Conditions Cataloged
not specifiedTotal: 34
not providedTotal: 4
IL1A-related disorderTotal: 3

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_000575.5. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
1
clinvar
1
clinvar
2
missense
32
clinvar
6
clinvar
1
clinvar
39
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
2
clinvar
2
Total00347243
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 6 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_000575.5RefSeqNP_000566.36MANE Select
ENST00000263339.4EnsemblENSP00000263339.36MANE Select
NM_001371554.1RefSeqNP_001358483.16Standard
ENST00000959423.1EnsemblENSP00000629482.16Standard

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Pathways ConsensusPathDB

  • Prion diseases - Homo sapiens (human)
  • Type I diabetes mellitus - Homo sapiens (human)
  • Pertussis - Homo sapiens (human)
  • Salmonella infection - Homo sapiens (human)
  • Graft-versus-host disease - Homo sapiens (human)

Biological Process

  • fever generation
  • connective tissue replacement involved in inflammatory response wound healing
  • apoptotic process
  • inflammatory response
  • immune response

Molecular Function

  • cytokine activity
  • interleukin-1 receptor binding
  • copper ion binding
  • protein binding

Cellular Component

  • extracellular region
  • extracellular space
  • cytosol

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000263339
Coding exons
6
Length
10676
Individuals with no LoFs
125718
Homozygous LoFs
0
Heterozygous LoFs
25
Defined
125743
p
0.0000994
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense0.5411251430.8730.000006971805
Missense (PolyPhen)2836.9250.7583488
Synonymous0.8294855.90.8590.00000307499
Loss of Function0.886710.00.6984.90e-7129

Population LoF Frequency

PopulationCAFp-valueStatus
African0.000430.00043rare
Latino/Admixed American00.0absent
Ashkenazi Jewish00.0absent
East Asian0.000830.00082rare
Finnish0.0000460.000046rare
European (Non-Finnish)0.0000180.000018rare
South Asian00.0absent
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: Produced by activated macrophages, IL-1 stimulates thymocyte proliferation by inducing IL-2 release, B-cell maturation and proliferation, and fibroblast growth factor activity. IL-1 proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells.;

Recessive Scores

pRec
0.954

Intolerance Scores

LoFtool
0.807
RVIS EVS
0.62
RVIS percentile EVS
83.25

Essentials

Essential (CRISPR)
N
Essential (CRISPR2)
S
Essential (gene trap)
N
Indispensability pred.
E
Indispensability score
0.961

Gene Damage Prediction

AllRecessiveDominant
MendelianMediumMediumMedium
Primary ImmunodeficiencyMediumMediumMedium
CancerMediumMediumMedium
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