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Mackenzie's Mission_Reproductive Carrier Screening v0.47 COL2A1 Sarah Righetti edited their review of gene: COL2A1: Added comment: Limited evidence for a recessive condition. 8 patients from 5 families, at least 2 mildly affected. Almost all literature dominant.

PMID: 31755234 (Girisha et al. 2020) six patients from 4 families, variability in phenotype.

PMID: 32896647 (Al-Sannaa et al 2020) two sibs from consang family with disproportionate short stature, ocular abnormalities, cleft palate and hearing impairment. Radiographic study showed signs of a spondyloepiphyseal dysplasia, compatible with a type 2 collagen disorder. Both siblings homozygous for c.3111+2T > C p.(Glu1 033Lysfs *5) splice site variant in the COL2A1 gene. Het parents phenotypically normal. cDNA analysis on skin fibroblasts demonstrated abberant splicing.
Created: 6 Nov 2020, 4:59 a.; Changed rating: AMBER
Mackenzie's Mission_Reproductive Carrier Screening v0.0 SPR Zornitza Stark gene: SPR was added
gene: SPR was added to Mackenzie's Mission_Reproductive Carrier Screening. Sources: Mackenzie's Mission,Expert Review Green
Mode of inheritance for gene: SPR was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: SPR were set to Dystonia, dopa-responsive, due to sepiapterin reductase deficiency, 612716 (3)
Mackenzie's Mission_Reproductive Carrier Screening v0.0 F2 Zornitza Stark gene: F2 was added
gene: F2 was added to Mackenzie's Mission_Reproductive Carrier Screening. Sources: Mackenzie's Mission,Expert Review Green
Mode of inheritance for gene: F2 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: F2 were set to Dysprothrombinemia, 613679 (3)
Mackenzie's Mission_Reproductive Carrier Screening v0.0 ACTA1 Zornitza Stark gene: ACTA1 was added
gene: ACTA1 was added to Mackenzie's Mission_Reproductive Carrier Screening. Sources: Mackenzie's Mission,Expert Review Green
Mode of inheritance for gene: ACTA1 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: ACTA1 were set to Myopathy, congenital, with fiber-type disproportion 1, 255310 (3)