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Syndromic Retinopathy v0.183 MED12 Zornitza Stark Phenotypes for gene: MED12 were changed from Hardikar syndrome, OMIM #612726 to Hardikar syndrome, MIM# 301068
Syndromic Retinopathy v0.182 MED12 Zornitza Stark reviewed gene: MED12: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Hardikar syndrome, MIM# 301068; Mode of inheritance: X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Syndromic Retinopathy v0.163 MED12 Zornitza Stark Marked gene: MED12 as ready
Syndromic Retinopathy v0.163 MED12 Zornitza Stark Gene: med12 has been classified as Green List (High Evidence).
Syndromic Retinopathy v0.163 MED12 Chirag Patel Classified gene: MED12 as Green List (high evidence)
Syndromic Retinopathy v0.163 MED12 Chirag Patel Gene: med12 has been classified as Green List (High Evidence).
Syndromic Retinopathy v0.162 MED12 Chirag Patel gene: MED12 was added
gene: MED12 was added to Syndromic Retinopathy. Sources: Literature
Mode of inheritance for gene: MED12 was set to Other
Publications for gene: MED12 were set to PMID: 33244166
Phenotypes for gene: MED12 were set to Hardikar syndrome, OMIM #612726
Review for gene: MED12 was set to GREEN
Added comment: 7 female individuals (2 previously reported and 5 unpublished) reported with a clinical diagnosis of Hardikar syndrome (rare multiple congenital anomaly syndrome characterized by facial clefting, pigmentary retinopathy, biliary anomalies, hydronephrosis, and intestinal malrotation, but normal cognition).

Exome sequencing identified de novo pathogenic nonsense and frameshift variants in MED12 in all 7 individuals. Evidence of extremely skewed XCI in all patients with informative testing. No functional assays.

Note: pathogenic missense variants in MED12 associated with Opitz-Kaveggia syndrome, Lujan syndrome, Ohdo syndrome, and nonsyndromic intellectual disability, primarily in males
Sources: Literature