IGSF1

immunoglobulin superfamily member 1
OMIM: 300137, Gene2Phenotype

5 panels

Panel Reviews Mode of inheritance Details
5 panels
Green IGSF1 in Pituitary hormone deficiency


Level 2: Endocrinology
Version 4.7
Latest signed off version: v4.6 (6 May 2026)

review X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Sources
  • NHS GMS
  • Expert Review Green
  • Radboud University Medical Center
Phenotypes
  • Hypothyroidism, central, and testicular enlargement, OMIM:300888
Red IGSF1 in Fetal anomalies


Level 2: Fetal (including NIPD)
Version 7.8
Latest signed off version: v7.0 (6 May 2026)

review X-LINKED: hemizygous mutation in males, biallelic mutations in females
Sources
  • Expert Review Red
  • PAGE DD-Gene2Phenotype
Phenotypes
  • CENTRAL HYPOTHYROIDISM AND TESTICULAR ENLARGEMENT
Green IGSF1 in DDG2P


Version 7.1
Latest signed off version: v7.0 (6 May 2026)

Component of the following Super Panels:

  • Paediatric disorders
  • review X-LINKED: hemizygous mutation in males, biallelic mutations in females
    Sources
    • DD-Gene2Phenotype
    • Expert Review Green
    Phenotypes
    • CENTRAL HYPOTHYROIDISM AND TESTICULAR ENLARGEMENT 300888
    Red IGSF1 in Intellectual disability


    Level 2: Developmental disorders
    Version 10.17
    Latest signed off version: v10.0 (6 May 2026)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • review X-LINKED: hemizygous mutation in males, biallelic mutations in females
    Sources
    • Expert Review Red
    Phenotypes
    • Hypothyroidism, central and testicular enlargement
    Green IGSF1 in Congenital hypothyroidism


    Level 2: Endocrinology
    Version 3.4
    Latest signed off version: v3.3 (6 May 2026)

    review X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
    Sources
    • Expert Review Green
    • Literature
    Phenotypes
    • central hypothyroidism
    • hypoprolactinaemia
    • GH deficiency
    • macroorchidism
    • Hypothyroidism, central, and testicular enlargement, 300888