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Holoprosencephaly - NOT chromosomal v5.3 DISP1 Ida Ertmanska changed review comment from: PMID: 38529886 Lavillaureix et al., 2024
25 individuals with midline craniofacial defects, harbouring 23 DISP1 variants identified in heterozygous, compound heterozygous or homozygous states. The patients presented with holoprosencephaly of variable severity: microform (14/25), lobar (2/25), semi-alobar (2/25), and alobar (7). As 5 out of 9 patients with severe (alobar or semi-lobar) HPE had DISP1 variants as well as variants in other known HPE-linked genes from the SHH pathway (eg, SIX3, SHH, and PTCH1), the authors suggest oligogenic inheritance. Milder presentations (microform and lobar generally seem to arise either from monoallelic truncating variants, or biallelic missense variants in DISP1.

This gene is associated with AR/AD Holoprosencephaly 10, 621143 in OMIM (accessed 17th Oct 2025).; to: PMID: 38529886 Lavillaureix et al., 2024
25 individuals with midline craniofacial defects, harbouring 23 DISP1 variants identified in heterozygous, compound heterozygous or homozygous states. Sequencing method: WES. The patients presented with holoprosencephaly of variable severity: microform (14/25), lobar (2/25), semi-alobar (2/25), and alobar (7/25). As 5/9 patients with severe (alobar or semi-lobar) HPE had DISP1 variants as well as variants in other known HPE-linked genes from the SHH pathway (eg, SIX3, SHH, and PTCH1), the authors suggest oligogenic inheritance. Milder presentations (microform and lobar generally seem to arise either from monoallelic truncating variants, or biallelic missense variants in DISP1.

This gene is associated with AR/AD Holoprosencephaly 10, 621143 in OMIM (accessed 17th Oct 2025).
Holoprosencephaly - NOT chromosomal v5.3 DISP1 Ida Ertmanska changed review comment from: PMID: 38529886 Lavillaureix et al., 2024
25 individuals with midline craniofacial defects, harbouring 23 DISP1 variants identified in heterozygous, compound heterozygous or homozygous states. The patients presented with holoprosencephaly of variable severity: microform (14/25), lobar (2/25), semi-alobar (2/25), and alobar (7). As 5 out of 9 patients with severe (alobar or semi-lobar) HPE had DISP1 variants as well as variants in other known HPE-linked genes from the SHH pathway (eg, SIX3, SHH, and PTCH1), the authors suggest oligogenic inheritance. Milder presentations (microform and lobar generally seem to arise either from monoallelic truncating variants, or biallelic missense variants in DISP1.

This gene is associated with AR/AD Holoprosencephaly 10, 621143 in OMIM (accessed 17th Oct 2025).; to: PMID: 38529886 Lavillaureix et al., 2024
25 individuals with midline craniofacial defects, harbouring 23 DISP1 variants identified in heterozygous, compound heterozygous or homozygous states. The patients presented with holoprosencephaly of variable severity: microform (14/25), lobar (2/25), semi-alobar (2/25), and alobar (7). As 5 out of 9 patients with severe (alobar or semi-lobar) HPE had DISP1 variants as well as variants in other known HPE-linked genes from the SHH pathway (eg, SIX3, SHH, and PTCH1), the authors suggest oligogenic inheritance. Milder presentations (microform and lobar generally seem to arise either from monoallelic truncating variants, or biallelic missense variants in DISP1.

This gene is associated with AR/AD Holoprosencephaly 10, 621143 in OMIM (accessed 17th Oct 2025).
Holoprosencephaly - NOT chromosomal v4.2 PTCH1 Arina Puzriakova Phenotypes for gene: PTCH1 were changed from Holoprosencephaly-7; Holoprosencephaly; Holoprosencephaly 7, 610828 to Holoprosencephaly 7, OMIM:610828
Holoprosencephaly - NOT chromosomal v1.21 PTCH1 Louise Daugherty Source NHS GMS was added to PTCH1.
Holoprosencephaly - NOT chromosomal v1.20 PTCH1 Louise Daugherty commented on gene: PTCH1
Holoprosencephaly - NOT chromosomal PTCH1 Helen Brittain marked PTCH1 as ready
Holoprosencephaly - NOT chromosomal PTCH1 Helen Brittain commented on PTCH1
Holoprosencephaly - NOT chromosomal PTCH1 Lara Menzies reviewed PTCH1