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Mendeliome v1.4623 IHH upstream regulatory region Sarah Milton Region: IHH upstream regulatory region was added
Region: IHH upstream regulatory region was added to Mendeliome. Sources: Literature
Mode of inheritance for Region: IHH upstream regulatory region was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for Region: IHH upstream regulatory region were set to PMID: 21167467
Phenotypes for Region: IHH upstream regulatory region were set to Craniosynostosis, Philadelphia type, with syndactyly, MIM#185900; Syndactyly, type 1, MIM#185900
Review for Region: IHH upstream regulatory region was set to GREEN
Added comment: IHH belongs to the hedgehog family, and is required for endochondral bone formation by regulating the proliferation and differentiation of chondrocytes. During development IHH is predominantly expressed in prehypertrophic chondrocytes.

PMID: 21167467 describes 3 families with over 80 affected individuals with duplications either including IHH or entirely upstream (in an intron of NHEJ1). These individuals were affected with variable degrees of cutaneous and distal osseus syndactyly and craniosynostosis.

Authors identified duplications in affected families involving conserved non coding elements (either 1 or up to 3 in those with the largest duplications) and cloned an orthologous region into mouse with a fluorescent reporter vector and found staining of chondrocytes indicating this region was a possible enhancer.

Note: OMIM uses coordinates chr2:208,200,001-230,100,000 for this duplication (maximal breakpoints). Minimal region overlap from literature used for Panelapp entry. Further functional studies required to define exact breakpoints.
Sources: Literature
Mendeliome v1.2039 NHEJ1 Zornitza Stark Phenotypes for gene: NHEJ1 were changed from Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation, MIM# 611291; Cernunnos-XLF deficiency MONDO:0012650 to Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation, MIM# 611291; Cernunnos-XLF deficiency MONDO:0012650; Microphthalmia/coloboma, MIM# 13 620968
Mendeliome v1.2038 NHEJ1 Zornitza Stark Publications for gene: NHEJ1 were set to 30898087; 30666249; 28741180; 25288157; 24511403; 21721379; 21535335
Mendeliome v1.2037 NHEJ1 Zornitza Stark changed review comment from: PMID 37580330: Seven individuals from 2 consanguineous families identified with a deep intronic homozygous variant affecting the IHH enhancer within NHEJ1.; to: PMID 37580330: Seven individuals from 2 consanguineous families identified with a deep intronic homozygous variant affecting the IHH enhancer within NHEJ1 -- RED for this association.
Mendeliome v1.2037 NHEJ1 Zornitza Stark edited their review of gene: NHEJ1: Added comment: PMID 37580330: Seven individuals from 2 consanguineous families identified with a deep intronic homozygous variant affecting the IHH enhancer within NHEJ1.; Changed publications: 30898087, 30666249, 28741180, 25288157, 24511403, 21721379, 21535335, 37580330; Changed phenotypes: Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation, MIM# 611291, Cernunnos-XLF deficiency MONDO:0012650, Microphthalmia/coloboma, MIM# 13 620968
Mendeliome v0.6969 NHEJ1 Zornitza Stark Marked gene: NHEJ1 as ready
Mendeliome v0.6969 NHEJ1 Zornitza Stark Gene: nhej1 has been classified as Green List (High Evidence).
Mendeliome v0.6969 NHEJ1 Zornitza Stark Phenotypes for gene: NHEJ1 were changed from to Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation, MIM# 611291; Cernunnos-XLF deficiency MONDO:0012650
Mendeliome v0.6968 NHEJ1 Zornitza Stark Publications for gene: NHEJ1 were set to
Mendeliome v0.6967 NHEJ1 Zornitza Stark Mode of inheritance for gene: NHEJ1 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.6966 NHEJ1 Zornitza Stark reviewed gene: NHEJ1: Rating: GREEN; Mode of pathogenicity: None; Publications: 30898087, 30666249, 28741180, 25288157, 24511403, 21721379, 21535335; Phenotypes: Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation, MIM# 611291, Cernunnos-XLF deficiency MONDO:0012650; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.0 NHEJ1 Zornitza Stark gene: NHEJ1 was added
gene: NHEJ1 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: NHEJ1 was set to Unknown