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| Mendeliome v1.711 | EPHA10 |
Achchuthan Shanmugasundram changed review comment from: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies. PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation. Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype. This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype. Sources: Literature; to: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies. PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation. Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. Particularly, Eph overexpressed flies had a poorer performance compared to controls in negative geotaxis assay. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype. This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype. Sources: Literature |
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| Mendeliome v1.711 | EPHA10 |
Achchuthan Shanmugasundram changed review comment from: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies. PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation. Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype. This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype. Sources: Literature; to: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies. PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation. Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype. This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype. Sources: Literature |
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| Mendeliome v1.711 | EPHA10 |
Achchuthan Shanmugasundram gene: EPHA10 was added gene: EPHA10 was added to Mendeliome. Sources: Literature Mode of inheritance for gene: EPHA10 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for gene: EPHA10 were set to 36048850 Phenotypes for gene: EPHA10 were set to postlingual non-syndromic genetic hearing loss, MONDO:0016298 Mode of pathogenicity for gene: EPHA10 was set to Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments Review for gene: EPHA10 was set to RED Added comment: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies. PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation. Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype. This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype. Sources: Literature |
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| Mendeliome v0.11103 | HIST1H4D |
Paul De Fazio gene: HIST1H4D was added gene: HIST1H4D was added to Mendeliome. Sources: Literature Mode of inheritance for gene: HIST1H4D was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: HIST1H4D were set to 35202563 Phenotypes for gene: HIST1H4D were set to Neurodevelopmental disorder, HIST1H4D-related MONDO:0700092 Review for gene: HIST1H4D was set to AMBER gene: HIST1H4D was marked as current diagnostic Added comment: Single individual described with a de novo missense variant Arg41His (Arg40 in H4 nomenclature). Apart from language delay and moderate ID, phenotypes included facial dysmorphisms and cochlear abnormalities and arhinencephaly on MRI. Hearing was normal. Birth length, OFC, weight were all reduced (-2 to -2.5SD). A zebrafish model has developmental defects. Sources: Literature |
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| Mendeliome v0.7201 | GREB1L | Zornitza Stark edited their review of gene: GREB1L: Added comment: DFNA80 is characterized by nonsyndromic congenital deafness associated with absent or malformed cochleae and eighth cranial nerves. Four unrelated families reported, no comment on a renal phenotype. Note variants in this gene are also associated with renal agenesis.; Changed publications: 29100091, 29955957, 32585897; Changed phenotypes: Renal hypodysplasia/aplasia 3, OMIM# 617805, Deafness, autosomal dominant 80, MIM# 619274 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4649 | COCH | Zornitza Stark Phenotypes for gene: COCH were changed from Deafness, autosomal dominant 9, MIM# 601369 to Deafness, autosomal dominant 9, MIM# 601369; Deafness, autosomal recessive 110, MIM# 618094 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4648 | COCH | Zornitza Stark Publications for gene: COCH were set to 16151338; 28116169; 28099493; 9806553; 17561763; 21046548; 26256111; 22931125; 22610276; 18312449; 28733840; 18697796; 29449721 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4647 | COCH |
Zornitza Stark changed review comment from: Mono-allelic variants: Over 50 affected individuals from more than 10 families reported, mouse model. Dominant negative effect postulated. Bi-allelic variants: three families reported with bi-allelic variants in this gene and deafness. All variants are LOF, some functional data. PMIDs 29449721, 32939038, 32562050.; to: Mono-allelic variants: Over 50 affected individuals from more than 10 families reported, mouse model. Dominant negative effect postulated. Bi-allelic variants: three families reported with bi-allelic variants in this gene and deafness. All variants are LOF, some functional data. PMIDs 29449721, 32939038, 32562050. |
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| Mendeliome v0.4647 | COCH |
Zornitza Stark changed review comment from: Over 50 affected individuals from more than 10 families reported, mouse model. Single family with two siblings reported with bi-allelic variants in this gene and deafness (homozygous LOF) in PMID 29449721, evidence for bi-allelic disease is limited.; to: Mono-allelic variants: Over 50 affected individuals from more than 10 families reported, mouse model. Dominant negative effect postulated. Bi-allelic variants: three families reported with bi-allelic variants in this gene and deafness. All variants are LOF, some functional data. PMIDs 29449721, 32939038, 32562050. |
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| Mendeliome v0.4647 | COCH | Zornitza Stark edited their review of gene: COCH: Changed publications: 16151338, 28116169, 28099493, 9806553, 17561763, 21046548, 26256111, 22931125, 22610276, 18312449, 28733840, 18697796, 29449721, 32939038, 32562050 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4647 | COCH | Zornitza Stark edited their review of gene: COCH: Changed phenotypes: Deafness, autosomal dominant 9, MIM# 601369, Deafness, autosomal recessive 110, MIM# 618094 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4621 | COCH | Zornitza Stark Marked gene: COCH as ready | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4621 | COCH | Zornitza Stark Gene: coch has been classified as Green List (High Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4621 | COCH | Zornitza Stark Phenotypes for gene: COCH were changed from to Deafness, autosomal dominant 9, MIM# 601369 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4620 | COCH | Zornitza Stark Publications for gene: COCH were set to | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4619 | COCH | Zornitza Stark Mode of inheritance for gene: COCH was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4618 | COCH | Zornitza Stark reviewed gene: COCH: Rating: GREEN; Mode of pathogenicity: None; Publications: 16151338, 28116169, 28099493, 9806553, 17561763, 21046548, 26256111, 22931125, 22610276, 18312449, 28733840, 18697796, 29449721; Phenotypes: Deafness, autosomal dominant 9, MIM# 601369; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v0.4520 | SLC12A2 |
Zornitza Stark edited their review of gene: SLC12A2: Added comment: Monoallelic : DD/ID was a feature in >= 6 individuals with monoallelic de novo SLC12A2. An individual with an exon 22 truncating variant was reported to have normal milestones and cognitive function. Exon 21 variants have been described in individuals with rather isolated hearing impairment (possibly some associated motor delay, but normal cognition). Hearing impairment was also reported in 2/6 patients with variants in other exons (1 missense / 1 frameshift). Biallelic : DD/ID was reported in at least 3 individuals in literature. Hearing impairment has been reported on 2 occasions (although this was not probably evaluated in all subjects). --- Monoallelic SLC12A2 mutations : ► Individuals with de novo mutations and developmental disorder were first identified by the DDD study (2017 - PMID: 28135719). 5 of them have been reported in detail by McNeill et al (below). ► McNeill et al (2020 - PMID: 32658972) report on 6 individuals with neurodevelopmental disorder due to de novo SLC12A2 mutation. All presented DD or ID ranging from mild to severe. ASD was reported in 3/6. Sensorineural hearing loss was a feature in 2/6 with the remaining having normal formal evaluations. Brain, cardiac and/or additional malformations were reported in a single individual. Following non-diagnostic prior work-up (CMA, FMR1 or other investigations) trio exome sequencing revealed missense (4/6) or truncating variants (2/6). Three additional individuals (incl. a father and his son) with missense variants in exon 21 (NM_001046.3 / p.Glu979Lys and p.Glu980Lys) presented with bilateral sensorineural hearing loss. Speech and/or motor delay reported in these cases were attributed to the hearing impairment/vestibular arreflexia (cognitive abilities not tested). SLC12A2 encodes sodium-potassium-chloride transporter 1 (also NKCC1). The GTEx project has identified 8 isoforms. In brain both exon 21-containing/deleted isoforms are expressed (cited Morita et al 2014 - PMID: 24695712). As the authors discuss, RNA-seq of the developing mouse cochlea suggests that the exon 21 containing isoform is the single transcript expressed. Evidence from RNA-seq data (BrainSpan project) and literature suggests that the significant amounts of exon 21 lacking isoforms in fetal brain compensate for the deleterious effects of exon 21 variants and explain the lack of NDD in relevant patients. Slc12a2 (NKCC1) null mouse model has demonstrated that the transporter plays a role in accumulation of the potassium rich endolymph in the inner ear, with NKCC1 absence causing sensorineural deafness and imbalance. Slc12a2 display cochlear malformations, loss of hair cells and hearing impairment (cited Delpire et al 1999 - PMID: 10369265). The brain phenotype has not been studied extensively, although loss of Slc12a2 has been shown to inhibit neurogenesis (cited: Magalhães and Rivera et al. - PMID: 27582690). Slc12a2 null zebrafish display a collapse of the otic vesicle and reduced endolymph (Abbas and Whitfield, 2009 - PMID: 19633174) relevant to the human hearing disorder. In vitro assessment of NKCC1 ion transporter function in Xenopus laevis, supported the deleterious effect of the identified variants (significant reduction in K+ influx). Using available single cell RNA-seq data the authors further demonstrated that SLC12A2 expressing cells display transcriptomic profiles reflective of active neurogenesis. ► Delpire et al (2016 - PMID: 27900370 - not reviewed in detail) described a 13 y.o. girl harboring a de novo 11-bp deletion in SLC12A2 exon 22. This individual reached developmental milestones on time and had a NORMAL cognitive function. Hearing was seemingly normal. Features included orthostatic intolerance, respiratory weakness, multiple endocrine abnormalities, pancreatic insufficiency and multiorgan failure incl. gut and bladder. Exome in the proband, parents and 3 unaffected sibs suggested SLC12A2 as the only candidate for her phenotype. Functional analyses in Xenopus laevis oocytes suggested that a non functional transporter was expressed and trafficked to the membrane as the wt. Detection of the truncated protein at higher molecular sizes suggested either enhanced dimerization or misfolded aggregate. There was no dominant-negative effect of mutant NKCC1. In patient fibroblasts a reduced total and NKCC1-mediated K+ influx. ► Mutai et al (2020 - PMID: 32294086) report on several individuals from 4 families, harboring variants within exon 21 or - in one case - at it's 3' splice-site (leading to skipping oe this exon at the mRNA level). All subjects were investigated for severe/profound hearing loss (in line with the role of exon 21-included isoforms in cochlea. The variant segregated with hearing impairment in 3 generations of a family while in all other subjects the variant had occured as de novo event. Despite motor delays (e.g. the subject from fam2 could not hold head or sit at the age of 10m / the proband in Fam3 was able to hold his head and walk at 6 and 20 m respectively) behavior and cognition were commented to be within normal range. ----- Biallelic SLC12A2 mutations: ► Anazi et al (2017 - PMID: 29288388) briefly reported on a 3 y.o. boy (17DG0776) with central hypotonia, neonatal respiratory distress, failure to thrive, global DD and microcephaly and a skeletal survey suggestive of osteopenia. After non-diagnostic prior investigations (CMA revealing a 1p duplication classified as VUS, extensive metabolic workup), WES revealed a homozygous SLC12A2 splicing variant [NM_001046.2:c.2617-2A>G]. ► Macnamara et al (2019 - PMID: 30740830) described a 5.5 y.o. male with sensorineural hearing loss, profound delays in all developmental areas among several other features (choanal atresia, failure to thrive, respiratory problems, absent sweat and tear production or salivation, GI abnormalities). Genetic testing for several disorders considered (cystic fibrosis, spinal muscular atrophy, sequencing and del/dup analysis of mtDNA) was normal. CMA revealed paternal uniparental isodisomy for chr. 5 and WGS a homozygous 22kb deletion in SLC12A2. This was followed by confirmation of homozygosity in the proband, heterozygosity of the unaffected father, delineation of breakpoints (chr5:127441491-127471419). mRNA studies in patient fibroblasts confirmed deletion of ex2-7, splicing of ex1 directly to ex8 and introduction of a premature stop codon in ex9. qRT-PCR confirmed that mRNA is likely subjected to NMD (expression ~80% of control). Western blot confirmed absence of the protein in the patient's fibroblasts. Again mouse models are thought to recapitulate the hearing defect but also the deficient saliva production (cited Evans et al 2000 - PMID: 10831596). Again the authors speculate a role of SLC12A2 in brain development based on evidence from murine models (migration, dendritic growth, increse in neuron density through regulation of GABAergic signalling (Young et al 2012 - PMID: 23015452). Hypotheses are also made on a regulatory relationship between NKCC1 and CFTR based on mRNA data from the ko mouse model. ► Stödberg et al (2020 - PMID: 32754646) reported 2 sibs with a complex neurodevelopmental disorder due to compound heterozygosity for a frameshift SLC12A2 variant and a splicing one (NM_001046:c.1431delT and c.2006-1G>A). Both presented hypotonia, neonatal S. aureus parotitis and respiratory problems (incl. apneas). While the older sib died at the age of 22 days, the younger one had persistent respiratory issues incl. a dry respiratory mucosa motivating metabolic, immunology investigations and testing for CF. She displayed microcephaly (OFC -2.5 SD, H was also -3.5SD), severe intellectual disability. MRI was suggestive of white matter and basal ganglia abnormalities. Other features incl. hearing impairment, and lack of tears,saliva and sweat, constipation and intestinal malrotation. There was facial dysmorphism. The variants were the only retained following WGS of the 2 affected sisters, parents and an unaffected brother. The splicing variant was shown to result in skipping of exon 13, while the indel in NMD. Again the authors discuss that the deficient saliva production, impaired hearing and GI problems are recapitulated in the mouse model (several refs provided).; Changed rating: GREEN; Changed publications: 28135719, 32658972, 27900370, 32294086, 29288388, 30740830, 32754646; Changed phenotypes: Kilquist syndrome, deafness, intellectual disability, dysmorphic features, absent salivation, ectodermal dysplasia, constipation, intestinal malrotation, multiple congenital anomalies; Changed mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal |
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| Mendeliome v0.3202 | PPP3R1 |
Eleanor Williams gene: PPP3R1 was added gene: PPP3R1 was added to Mendeliome. Sources: Literature Mode of inheritance for gene: PPP3R1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: PPP3R1 were set to 32337552; 19159392 Phenotypes for gene: PPP3R1 were set to Deafness, autosomal dominant 58 MIM#615654 Review for gene: PPP3R1 was set to RED Added comment: PMID: 32337552 - Lezirovitz et al 2020- ~200 Kb genomic duplication in 2p14 was found that segregates with postlingual progressive sensorineural autosomal dominant hearing loss in a large Brazilian family with 20 affected individuals (the reported DFNA58 family from PMID: 19159392). The duplication covers PLEK and CNRIP1, and the first exon of PPP3R1 (protein coding), as well as four uncharacterized long non-coding RNA genes and part of a novel protein-coding gene. Cnrip1, Plek and Ppp3r1 genes are all expressed in the adult mouse cochlea and CNRIP1 mRNA was overexpressed in affected family members. Sources: Literature |
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| Mendeliome v0.3202 | PLEK |
Eleanor Williams gene: PLEK was added gene: PLEK was added to Mendeliome. Sources: Literature Mode of inheritance for gene: PLEK was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: PLEK were set to 32337552; 19159392 Phenotypes for gene: PLEK were set to Deafness, autosomal dominant 58 MIM#615654 Review for gene: PLEK was set to RED Added comment: PMID: 32337552 - Lezirovitz et al 2020- ~200 Kb genomic duplication in 2p14 was found that segregates with postlingual progressive sensorineural autosomal dominant hearing loss in a large Brazilian family with 20 affected individuals (the reported DFNA58 family from PMID: 19159392). The duplication covers PLEK and CNRIP1, and the first exon of PPP3R1 (protein coding), as well as four uncharacterized long non-coding RNA genes and part of a novel protein-coding gene. Cnrip1, Plek and Ppp3r1 genes are all expressed in the adult mouse cochlea and CNRIP1 mRNA was overexpressed in affected family members. Sources: Literature |
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| Mendeliome v0.3202 | CNRIP1 |
Eleanor Williams gene: CNRIP1 was added gene: CNRIP1 was added to Mendeliome. Sources: Literature Mode of inheritance for gene: CNRIP1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: CNRIP1 were set to 32337552; 19159392 Phenotypes for gene: CNRIP1 were set to Deafness, autosomal dominant 58 MIM#615654 Review for gene: CNRIP1 was set to RED Added comment: PMID: 32337552 - Lezirovitz et al 2020- ~200 Kb genomic duplication in 2p14 was found that segregates with postlingual progressive sensorineural autosomal dominant hearing loss in a large Brazilian family with 20 affected individuals (the reported DFNA58 family from PMID: 19159392). The duplication covers PLEK and CNRIP1, and the first exon of PPP3R1 (protein coding), as well as four uncharacterized long non-coding RNA genes and part of a novel protein-coding gene. Cnrip1, Plek and Ppp3r1 genes are all expressed in the adult mouse cochlea and CNRIP1 mRNA was overexpressed in affected family members. Sources: Literature |
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| Mendeliome v0.2611 | TBL1Y |
Paul De Fazio changed review comment from: 9 affected males in a single 5-generation pedigree described with Y-linked inheritance pattern. Functional studies show the missense variant causes reduced protein stability. The gene has restricted expression in the cochlea and prostate. Sources: Literature; to: Y-linked inheritance pattern. Complete segregation of a missense variant demonstrated in 9 affected males in a 5-generation pedigree. Functional studies show the missense variant causes reduced protein stability. The gene has restricted expression in the cochlea and prostate. Sources: Literature |
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| Mendeliome v0.2611 | TBL1Y |
Paul De Fazio changed review comment from: 9 affected males in a single pedigree described with Y-linked inheritance pattern. Functional studies show the missense variant causes reduced protein stability. The gene has restricted expression in the cochlea and prostate. Sources: Literature; to: 9 affected males in a single 5-generation pedigree described with Y-linked inheritance pattern. Functional studies show the missense variant causes reduced protein stability. The gene has restricted expression in the cochlea and prostate. Sources: Literature |
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| Mendeliome v0.2611 | TBL1Y |
Paul De Fazio gene: TBL1Y was added gene: TBL1Y was added to Mendeliome. Sources: Literature Mode of inheritance for gene: TBL1Y was set to Other Publications for gene: TBL1Y were set to 30341416 Phenotypes for gene: TBL1Y were set to Hearing loss Review for gene: TBL1Y was set to RED gene: TBL1Y was marked as current diagnostic Added comment: 9 affected males in a single pedigree described with Y-linked inheritance pattern. Functional studies show the missense variant causes reduced protein stability. The gene has restricted expression in the cochlea and prostate. Sources: Literature |
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| Mendeliome v0.2607 | FOXF2 |
Hazel Phillimore changed review comment from: Homozygous missense, NM_001452.1: c.325A>T (p.I109F), in a 10 year old girl (consanguineous, parents were first cousins) with profound sensorineural hearing loss (SNHL) associated with incomplete partition type I anomaly of the cochlea. This variant is absent in the gnomAD v2.1.1. In vitro studies indicated instability, shorter half-life of the protein compared to wildtype. Embryonic knockout mouse showed shortened and malformed cochleae, in addition to altered shape of hair cells with innervation and planar cell polarity defects. Homozygous knockout mice do not survive. (Bademci, G. et al. (2019); PMID: 30561639). This gene has also been reported in association with other anomalies including cleft lip, cleft palate, brain anomalies, intestine anomalies, and eye anomalies. Eye anomalies include anterior segment dysgenesis, as shown in mice with variant, W174R, affecting the Fox domain. Homozygote mice do not survive. (McKeone, R. et al. (2011); PMID: 22022403). Sources: Literature; to: Homozygous missense, NM_001452.1: c.325A>T (p.I109F), in a 10 year old girl (consanguineous, parents were first cousins) with profound sensorineural hearing loss (SNHL) associated with incomplete partition type I anomaly of the cochlea. This variant is absent in the gnomAD v2.1.1. In vitro studies indicated instability, shorter half-life of the protein compared to wildtype. Embryonic knockout mouse showed shortened and malformed cochleae, in addition to altered shape of hair cells with innervation and planar cell polarity defects. Homozygous knockout mice do not survive. (Bademci, G. et al. (2019); PMID: 30561639). This gene has also been reported in association with other anomalies including cleft lip, cleft palate, brain anomalies, intestine anomalies, and eye anomalies. Eye anomalies include anterior segment dysgenesis, as shown in mice with variant, W174R, affecting the Fox domain. Homozygote mice do not survive. (McKeone, R. et al. (2011); PMID: 22022403). Previous names for FOXF2 include FKHL6 and FREAC2. Sources: Literature |
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| Mendeliome v0.2607 | FOXF2 |
Hazel Phillimore gene: FOXF2 was added gene: FOXF2 was added to Mendeliome. Sources: Literature Mode of inheritance for gene: FOXF2 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: FOXF2 were set to PMID: 30561639; 22022403 Phenotypes for gene: FOXF2 were set to profound sensorineural hearing loss (SNHL); cochlea malformations; incomplete partition type I anomaly of the cochlea Review for gene: FOXF2 was set to AMBER Added comment: Homozygous missense, NM_001452.1: c.325A>T (p.I109F), in a 10 year old girl (consanguineous, parents were first cousins) with profound sensorineural hearing loss (SNHL) associated with incomplete partition type I anomaly of the cochlea. This variant is absent in the gnomAD v2.1.1. In vitro studies indicated instability, shorter half-life of the protein compared to wildtype. Embryonic knockout mouse showed shortened and malformed cochleae, in addition to altered shape of hair cells with innervation and planar cell polarity defects. Homozygous knockout mice do not survive. (Bademci, G. et al. (2019); PMID: 30561639). This gene has also been reported in association with other anomalies including cleft lip, cleft palate, brain anomalies, intestine anomalies, and eye anomalies. Eye anomalies include anterior segment dysgenesis, as shown in mice with variant, W174R, affecting the Fox domain. Homozygote mice do not survive. (McKeone, R. et al. (2011); PMID: 22022403). Sources: Literature |
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| Mendeliome v0.0 | COCH |
Zornitza Stark gene: COCH was added gene: COCH was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services Mode of inheritance for gene: COCH was set to Unknown |
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