ICOSLG Chromosome 21

Inducible T cell costimulator ligand
13 variants 13 Health Risk

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What This Gene Does
Enables identical protein binding activity and receptor ligand activity. Involved in T follicular helper cell differentiation. Located in intracellular membrane-bounded organelle. Is active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2025]
Gene Info
Gene Group
"CD molecules|Receptor ligands|V-set domain containing|C2-set domain containing|B7 family"
Locus Type
gene with protein product
Location
21q22.3
Ensembl
ENSG00000160223
Associated Conditions (2)
Inborn genetic diseases
Combined immunodeficiency
Key Variants
All Variants (13)
RSID Category Clinical Significance Conditions
RS1055291520 Health Risk Conflicting classifications of pathogenicity —
RS140894768 Health Risk Conflicting classifications of pathogenicity —
RS186459476 Health Risk Conflicting classifications of pathogenicity —
RS199766847 Health Risk Conflicting classifications of pathogenicity —
RS199878735 Health Risk Conflicting classifications of pathogenicity —
RS201900032 Health Risk Conflicting classifications of pathogenicity —
RS376840764 Health Risk Conflicting classifications of pathogenicity —
RS566695508 Health Risk Conflicting classifications of pathogenicity —
RS760455624 Health Risk Conflicting classifications of pathogenicity —
RS764347085 Health Risk Conflicting classifications of pathogenicity —
RS772294235 Health Risk Conflicting classifications of pathogenicity —
RS1165558487 Health Risk Likely pathogenic Inborn genetic diseases, Inborn genetic diseases
RS2146342598 Health Risk Likely pathogenic Combined immunodeficiency, Combined immunodeficiency
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