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Mendeliome v1.1031 TUBB4B Zornitza Stark Phenotypes for gene: TUBB4B were changed from Leber congenital amaurosis with early onset deafness, LCAEOD, OMIM #617879; MONDO:0060650 to Leber congenital amaurosis with early onset deafness, LCAEOD, OMIM #617879; MONDO:0060650; Primary ciliary dyskinesia, MONDO:0016575, TUBB4B-related
Mendeliome v1.1025 GPATCH11 Zornitza Stark Phenotypes for gene: GPATCH11 were changed from Leber congenital amaurosis and developmental delay to Neurodevelopmental disorder, MONDO:0700092, GPATCH11-related; Leber congenital amaurosis and developmental delay
Mendeliome v1.985 GPATCH11 Chirag Patel gene: GPATCH11 was added
gene: GPATCH11 was added to Mendeliome. Sources: Other
Mode of inheritance for gene: GPATCH11 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: GPATCH11 were set to Leber congenital amaurosis and developmental delay
Review for gene: GPATCH11 was set to GREEN
gene: GPATCH11 was marked as current diagnostic
Added comment: ESHG 2023:
3 families with 8 individuals with leber congenital amaurosis, developmental delay, language disorder, and behavioural issues.
GPATCH11 localises to nucleus and basal body of primary cilium (similar to other LCA genes).
Biallelic variants found in GPATCH11 - 1 splice variant common to all 3 families (1 other variant in 3rd family). Splice variant leads to loss of exon 4 (mRNA studies).
Mouse models showed i) abnormal rod/cone responses on ERG; ii) decreased outer nuclear layer in retina, and iii) abnormal associate/episodic memory
Sources: Other
Mendeliome v0.14010 GUCY2D Zornitza Stark Phenotypes for gene: GUCY2D were changed from to Cone-rod dystrophy 6, MIM# 601777; Leber congenital amaurosis 1, MIM# 204000; Night blindness, congenital stationary, type 1I, MIM# 618555
Mendeliome v0.14007 GUCY2D Zornitza Stark reviewed gene: GUCY2D: Rating: GREEN; Mode of pathogenicity: None; Publications: 35314386, 35205358; Phenotypes: Cone-rod dystrophy 6, MIM# 601777, Leber congenital amaurosis 1, MIM# 204000, Night blindness, congenital stationary, type 1I, MIM# 618555; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.13735 CRX Ain Roesley Phenotypes for gene: CRX were changed from to Leber congenital amaurosis 7, MIM# 613829; Cone-rod retinal dystrophy-2 MIM#120970
Mendeliome v0.13733 CRX Ain Roesley reviewed gene: CRX: Rating: GREEN; Mode of pathogenicity: None; Publications: 12208271, 9931337, 9537410, 29568065, 27427859, 25270190, 32927963, 33910785; Phenotypes: Leber congenital amaurosis 7, MIM# 613829, Cone-rod retinal dystrophy-2 MIM#120970; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.13727 CRB1 Ain Roesley Phenotypes for gene: CRB1 were changed from to Leber congenital amaurosis 8 MIM#613835; Pigmented paravenous chorioretinal atrophy MIM#172870; Retinitis pigmentosa-12 MIM#600105
Mendeliome v0.13725 CRB1 Ain Roesley reviewed gene: CRB1: Rating: GREEN; Mode of pathogenicity: None; Publications: 30285347, 32922261, 31884620, 15459956; Phenotypes: Leber congenital amaurosis 8 MIM#613835, Pigmented paravenous chorioretinal atrophy MIM#172870, Retinitis pigmentosa-12 MIM#600105; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.13636 RPE65 Zornitza Stark Phenotypes for gene: RPE65 were changed from to Leber congenital amaurosis 2 MIM#204100; Retinitis pigmentosa 20 MIM#613794; Retinitis pigmentosa 87 with choroidal involvement MIM#618697
Mendeliome v0.13616 RPE65 Belinda Chong reviewed gene: RPE65: Rating: GREEN; Mode of pathogenicity: None; Publications: 14962443, 12960219, 11786058, 21654732, 27307694, 9501220, 16754667, 15557452; Phenotypes: Leber congenital amaurosis 2 MIM#204100, Retinitis pigmentosa 20 MIM#613794, Retinitis pigmentosa 87 with choroidal involvement MIM#618697; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.12090 TUBB4B Zornitza Stark Phenotypes for gene: TUBB4B were changed from to Leber congenital amaurosis with early onset deafness, LCAEOD, OMIM #617879; MONDO:0060650
Mendeliome v0.12088 TUBB4B Zornitza Stark reviewed gene: TUBB4B: Rating: GREEN; Mode of pathogenicity: None; Publications: 35240325; Phenotypes: Leber congenital amaurosis with early onset deafness, LCAEOD, OMIM #617879, MONDO:0060650; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.12062 TUBB4B Manny Jacobs reviewed gene: TUBB4B: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 29198720; Phenotypes: Leber congenital amaurosis with early onset deafness, LCAEOD, OMIM #617879, MONDO:0060650; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.12046 LCA5 Alison Yeung Phenotypes for gene: LCA5 were changed from to Leber Congenital Amaurosis 5, MIM# 604537
Mendeliome v0.12043 LCA5 Alison Yeung reviewed gene: LCA5: Rating: GREEN; Mode of pathogenicity: None; Publications: 17546029; Phenotypes: Leber Congenital Amaurosis 5, MIM# 604537; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11736 UROS Zornitza Stark Marked gene: UROS as ready
Mendeliome v0.11736 UROS Zornitza Stark Gene: uros has been classified as Green List (High Evidence).
Mendeliome v0.11736 UROS Zornitza Stark Phenotypes for gene: UROS were changed from to Porphyria, congenital erythropoietic (MIM#263700)
Mendeliome v0.11735 UROS Zornitza Stark Publications for gene: UROS were set to
Mendeliome v0.11734 UROS Zornitza Stark Mode of inheritance for gene: UROS was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11669 UROS Belinda Chong reviewed gene: UROS: Rating: GREEN; Mode of pathogenicity: None; Publications: 28334762, 27512208, 34187847, 34828434, 15065102; Phenotypes: Porphyria, congenital erythropoietic (MIM#263700); Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.10469 LRAT Zornitza Stark Phenotypes for gene: LRAT were changed from to Leber congenital amaurosis 14 MIM#613341; Retinal dystrophy, early-onset severe MIM#613341; Retinitis pigmentosa, juvenile MIM#613341
Mendeliome v0.10466 LRAT Zornitza Stark reviewed gene: LRAT: Rating: GREEN; Mode of pathogenicity: None; Publications: 11381255, 18055821, 22570351, 17011878, 29973277, 24625443, 22559933, 31448181; Phenotypes: Leber congenital amaurosis 14 MIM#613341, Retinal dystrophy, early-onset severe MIM#613341, Retinitis pigmentosa, juvenile MIM#613341; Mode of inheritance: None
Mendeliome v0.10309 AIPL1 Zornitza Stark Phenotypes for gene: AIPL1 were changed from Leber congenital amaurosis 4, 604393 Cone-rod dystrophy, 604393 Retinitis pigmentosa, juvenile, 604393 to Leber congenital amaurosis 4, 604393; Cone-rod dystrophy, 604393; Retinitis pigmentosa, juvenile, 604393
Mendeliome v0.10308 AIPL1 Zornitza Stark edited their review of gene: AIPL1: Changed phenotypes: Leber congenital amaurosis 4, 604393, Cone-rod dystrophy, 604393, Retinitis pigmentosa, juvenile, 604393
Mendeliome v0.10101 GDF6 Ain Roesley reviewed gene: GDF6: Rating: GREEN; Mode of pathogenicity: None; Publications: 30733656, 29130651, 26643732, 19129173, 23307924, 32737436; Phenotypes: Klippel-Feil syndrome 1, autosomal dominantMIM#118100, Leber congenital amaurosis 17 (MIM#615360), Microphthalmia, isolated 4 (MIM#613094), Multiple synostoses syndrome 4 (MIM#617898); Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.9496 RDH12 Zornitza Stark Phenotypes for gene: RDH12 were changed from to Leber congenital amaurosis 13, MIM# 612712; Retinitis pigmentosa, autosomal dominant
Mendeliome v0.9493 RDH12 Zornitza Stark reviewed gene: RDH12: Rating: GREEN; Mode of pathogenicity: None; Publications: 16269441, 15322982, 15258582, 31505163; Phenotypes: Leber congenital amaurosis 13, MIM# 612712, Retinitis pigmentosa, autosomal dominant; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v0.9493 RD3 Zornitza Stark Phenotypes for gene: RD3 were changed from to Leber congenital amaurosis 12, MIM#610612
Mendeliome v0.9490 RD3 Zornitza Stark reviewed gene: RD3: Rating: GREEN; Mode of pathogenicity: None; Publications: 23308101, 22531706, 17186464; Phenotypes: Leber congenital amaurosis 12, MIM#610612; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.9488 PRPH2 Zornitza Stark edited their review of gene: PRPH2: Changed phenotypes: Leber congenital amaurosis 18, MIM#608133, Macular dystrophy, vitelliform, 3, MIM#608161, Retinitis pigmentosa 7 and digenic form, MIM#608133, Choroidal dystrophy, central areolar 2, MIM#613105, Macular dystrophy, patterned, 1, MIM#169150 Retinitis punctata albescens, MIM#136880
Mendeliome v0.9488 PRPH2 Zornitza Stark Phenotypes for gene: PRPH2 were changed from Leber congenital amaurosis 18, MIM#608133; Macular dystrophy, vitelliform, 3, MIM#608161; Retinitis pigmentosa 7 and digenic form, MIM#608133 to Leber congenital amaurosis 18, MIM#608133; Macular dystrophy, vitelliform, 3, MIM#608161; Retinitis pigmentosa 7 and digenic form, MIM#608133; Choroidal dystrophy, central areolar 2, MIM#613105; Macular dystrophy, patterned, 1, MIM#169150; Retinitis punctata albescens, MIM#136880
Mendeliome v0.9487 PRPH2 Zornitza Stark Phenotypes for gene: PRPH2 were changed from to Leber congenital amaurosis 18, MIM#608133; Macular dystrophy, vitelliform, 3, MIM#608161; Retinitis pigmentosa 7 and digenic form, MIM#608133
Mendeliome v0.9484 PRPH2 Zornitza Stark reviewed gene: PRPH2: Rating: GREEN; Mode of pathogenicity: None; Publications: 32660024; Phenotypes: Leber congenital amaurosis 18, MIM#608133 Macular dystrophy, vitelliform, 3, MIM#608161 Retinitis pigmentosa 7 and digenic form, MIM#608133 Choroidal dystrophy, central areolar 2, MIM#613105 Macular dystrophy, patterned, 1, MIM#169150 Retinitis punctata albescens, MIM#136880; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v0.9479 IMPDH1 Zornitza Stark Phenotypes for gene: IMPDH1 were changed from to Leber congenital amaurosis 11 (MIM# 613837); Retinitis pigmentosa 10 (MIM# 180105)
Mendeliome v0.9476 IMPDH1 Zornitza Stark reviewed gene: IMPDH1: Rating: GREEN; Mode of pathogenicity: None; Publications: 16384941; Phenotypes: Leber congenital amaurosis 11 (MIM# 613837), Retinitis pigmentosa 10 (MIM# 180105); Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.9476 KCNJ13 Zornitza Stark Phenotypes for gene: KCNJ13 were changed from to Leber congenital amaurosis 16 MIM#614186; Snowflake vitreoretinal degeneration, MIM# 193230
Mendeliome v0.9473 KCNJ13 Zornitza Stark changed review comment from: LCA and bi-allelic variants: at least 4 individuals reported. Green.

Single family reported with snowflake vitreoretinal degeneration and mono-allelic variant, supportive functional data. Amber/Red.; to: Variants in KCNJ13 are associated with two retinal disorders; Leber congenital amaurosis (LCA) and snowflake vitreoretinal degeneration (SVD), though individuals with bi-allelic variants and LCA with subsequent fibrovascular proliferation described (PMID 31647904).

LCA and bi-allelic variants: at least 4 individuals reported. Green.

Single family reported with snowflake vitreoretinal degeneration and mono-allelic variant, supportive functional data. Amber/Red.
Mendeliome v0.9473 KCNJ13 Zornitza Stark reviewed gene: KCNJ13: Rating: GREEN; Mode of pathogenicity: None; Publications: 27203561, 25475713, 21763485, 18179896, 23255580, 31647904; Phenotypes: Leber congenital amaurosis 16 MIM#614186, Snowflake vitreoretinal degeneration, MIM# 193230; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.9446 AIPL1 Zornitza Stark Phenotypes for gene: AIPL1 were changed from to Leber congenital amaurosis 4, 604393 Cone-rod dystrophy, 604393 Retinitis pigmentosa, juvenile, 604393
Mendeliome v0.9443 AIPL1 Zornitza Stark reviewed gene: AIPL1: Rating: GREEN; Mode of pathogenicity: None; Publications: 10615133; Phenotypes: Leber congenital amaurosis 4, 604393 Cone-rod dystrophy, 604393 Retinitis pigmentosa, juvenile, 604393; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v0.8440 TULP1 Zornitza Stark Phenotypes for gene: TULP1 were changed from to Retinitis pigmentosa 14 M(MIM#600132); Leber congenital amaurosis 15, MIM# 613843
Mendeliome v0.8437 TULP1 Zornitza Stark reviewed gene: TULP1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Leber congenital amaurosis 15, MIM# 613843; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.8145 CEP290 Zornitza Stark Phenotypes for gene: CEP290 were changed from to Bardet-Biedl syndrome 14, MIM# 615991; Joubert syndrome 5 610188; Leber congenital amaurosis 10, MIM# 611755; Meckel syndrome 4, MIM# 611134; Senior-Loken syndrome 6, MIM# 610189
Mendeliome v0.8142 CEP290 Zornitza Stark reviewed gene: CEP290: Rating: GREEN; Mode of pathogenicity: None; Publications: 18327255, 20690115, 16682973, 16682970, 17564967, 16909394, 17564974; Phenotypes: Bardet-Biedl syndrome 14, MIM# 615991, Joubert syndrome 5 610188, Leber congenital amaurosis 10, MIM# 611755, Meckel syndrome 4, MIM# 611134, Senior-Loken syndrome 6, MIM# 610189; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.7055 NMNAT1 Zornitza Stark Phenotypes for gene: NMNAT1 were changed from to Spondyloepiphyseal dysplasia, sensorineural hearing loss, intellectual disability, and Leber congenital amaurosis (SHILCA), MIM#619260; Leber congenital amaurosis 9, MIM# 608553
Mendeliome v0.7053 NMNAT1 Zornitza Stark reviewed gene: NMNAT1: Rating: GREEN; Mode of pathogenicity: None; Publications: 32533184, 33668384, 22842230, 22842229; Phenotypes: Spondyloepiphyseal dysplasia, sensorineural hearing loss, intellectual disability, and Leber congenital amaurosis (SHILCA), MIM#619260, Leber congenital amaurosis 9, MIM# 608553; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.6431 RPGRIP1 Zornitza Stark Phenotypes for gene: RPGRIP1 were changed from to Cone-rod dystrophy 13 (MIM#608194) , Leber congenital amaurosis (MIM#61382)
Mendeliome v0.6428 RPGRIP1 Ain Roesley reviewed gene: RPGRIP1: Rating: GREEN; Mode of pathogenicity: None; Publications: 33308271, 31666973; Phenotypes: Cone-rod dystrophy 13 (MIM#608194) , Leber congenital amaurosis (MIM#61382); Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5572 GDF6 Zornitza Stark Phenotypes for gene: GDF6 were changed from Klippel-Feil syndrome 1, autosomal dominant 118100; Leber congenital amaurosis 17 615360; Microphthalmia with coloboma 6, digenic 613703; Microphthalmia, isolated 4 613094; Multiple synostoses syndrome 4 617898 to Klippel-Feil syndrome 1, autosomal dominant 118100; Leber congenital amaurosis 17 615360; Microphthalmia with coloboma 6, digenic 613703; Microphthalmia, isolated 4 613094; Multiple synostoses syndrome 4 617898; CAKUT
Mendeliome v0.5571 GDF6 Zornitza Stark Phenotypes for gene: GDF6 were changed from to Klippel-Feil syndrome 1, autosomal dominant 118100; Leber congenital amaurosis 17 615360; Microphthalmia with coloboma 6, digenic 613703; Microphthalmia, isolated 4 613094; Multiple synostoses syndrome 4 617898
Mendeliome v0.5567 GDF6 Belinda Chong reviewed gene: GDF6: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 32737436; Phenotypes: Klippel-Feil syndrome 1, autosomal dominant 118100, Leber congenital amaurosis 17 615360, Microphthalmia with coloboma 6, digenic 613703, Microphthalmia, isolated 4 613094, Multiple synostoses syndrome 4 617898; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Mendeliome v0.5567 VPS4A Kristin Rigbye changed review comment from: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain.
1x homozygous missense in the MIT domain (milder phenotype and unaffected parents).
Demonstrated defective CD71 trafficking in all 3 patients.

PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly).
Demonstrated that the variants had a dominant-negative effect on VPS4A function.
"The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."
Sources: Literature; to: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain.
1x homozygous missense in the MIT domain (milder phenotype and unaffected parents - possibly just a simple LoF mechanism for AR inheritance).
Demonstrated defective CD71 trafficking in all 3 patients.

PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly).
Demonstrated that the variants had a dominant-negative effect on VPS4A function.

"The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."
Mendeliome v0.5567 VPS4A Elena Savva changed review comment from: Comment when marking as ready: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain. 1x homozygous missense in the MIT domain (milder phenotype and unaffected parents). Demonstrated defective CD71 trafficking in all 3 patients. PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly). Demonstrated that the variants had a dominant-negative effect on VPS4A function. "The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."; to: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain.
1x homozygous missense in the MIT domain (milder phenotype and unaffected parents).
Demonstrated defective CD71 trafficking in all 3 patients.

Comment when marking as ready: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain. 1x homozygous missense in the MIT domain (milder phenotype and unaffected parents). Demonstrated defective CD71 trafficking in all 3 patients. PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly). Demonstrated that the variants had a dominant-negative effect on VPS4A function. "The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."
Mendeliome v0.5567 VPS4A Elena Savva Added comment: Comment when marking as ready: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain. 1x homozygous missense in the MIT domain (milder phenotype and unaffected parents). Demonstrated defective CD71 trafficking in all 3 patients. PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly). Demonstrated that the variants had a dominant-negative effect on VPS4A function. "The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."
Mendeliome v0.5558 VPS4A Kristin Rigbye gene: VPS4A was added
gene: VPS4A was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: VPS4A was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: VPS4A were set to PMID: 33186543; 33186545
Phenotypes for gene: VPS4A were set to Neurodevelopmental disorder
Review for gene: VPS4A was set to GREEN
Added comment: PMID: 33186543 - 2x de novo hetorozygous missense variants in the AAA (large ATPase) domain.
1x homozygous missense in the MIT domain (milder phenotype and unaffected parents).
Demonstrated defective CD71 trafficking in all 3 patients.

PMID: 33186545 - 6x probands with de novo missense variants in the AAA domain. 5 of the variants were at amino acid position 284 (changes to Trp and Gly).
Demonstrated that the variants had a dominant-negative effect on VPS4A function.
"The six probands with de novo substitutions affecting Glu206 or Arg284 had a consistent phenotype characterized by severe DD, profound ID, and dystonia. Children were very delayed in establishing head control and none achieved independent walking. Other common findings were cerebellar hypoplasia (five individuals out of six, the other showing uncharacterized severe cerebral atrophy) with a variable degree of corpus callosum hypoplasia. One individual also had bilateral polymicrogyria. Epilepsy was present in three and dystonia in five subjects. Eye involvement was also a common finding, including congenital cataract, retinal dystrophy, and in one case congenital Leber amaurosis. Four individuals were diagnosed with hepatosplenomegaly and/or steatosis. Three subjects had anemia, which was characterized as dyserythropoietic in two. Severe feeding difficulties were present in four individuals, requiring assisted feeding in three. Two had sensorineural deafness. Severe growth retardation, generally for all parameters, was present in most cases. Notably, severe microcephaly (typically with Z scores < −5) was universal. Overall, the disorder seems to have a poor prognosis as two affected individuals died in childhood or early adult life."
Sources: Literature
Mendeliome v0.4889 SPATA7 Zornitza Stark Phenotypes for gene: SPATA7 were changed from to Leber congenital amaurosis 3, MIM#604232; Autosomal recessive juvenile retinitis pigmentosa, MIM#604232
Mendeliome v0.4886 SPATA7 Chern Lim reviewed gene: SPATA7: Rating: GREEN; Mode of pathogenicity: None; Publications: 31908400, 32799588; Phenotypes: Leber congenital amaurosis 3, MIM#604232, Autosomal recessive juvenile retinitis pigmentosa, MIM#604232; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.4867 CCT2 Zornitza Stark gene: CCT2 was added
gene: CCT2 was added to Mendeliome. Sources: NHS GMS
Mode of inheritance for gene: CCT2 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: CCT2 were set to 27645772; 29450543
Phenotypes for gene: CCT2 were set to Leber's congenital amaurosis
Review for gene: CCT2 was set to RED
Added comment: Single family reported with compound het missense variants, functional data, including animal model.
Sources: NHS GMS
Mendeliome v0.4636 ESPN Zornitza Stark Phenotypes for gene: ESPN were changed from to Deafness, autosomal recessive 36, MIM# 609006; Deafness, neurosensory, without vestibular involvement, autosomal dominant, MIM# 609006
Mendeliome v0.4633 ESPN Zornitza Stark reviewed gene: ESPN: Rating: GREEN; Mode of pathogenicity: None; Publications: 15286153, 18973245, 26445815, 28281779, 10975527, 15930085; Phenotypes: Deafness, autosomal recessive 36, MIM# 609006, Deafness, neurosensory, without vestibular involvement, autosomal dominant, MIM# 609006; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.2906 SNRNP200 Ain Roesley changed review comment from: PMID: 31260034; more than 20 families reported with either de novo or AD with RP or retinal dystrophy (RD)

PMID: 29320387; p.(Arg1090Gln) in a proband with RP from a consag family with unaffected het parents and sibling

PMID: 23847139; p.(Pro1045Thr) homozygous in a patient with Leber congenital amaurosis (LCA)

PMID: 31260034: p.(Arg545His) homozygous in a patient with RP with asymptomatic het parents and sister

PMID: 27735924: in a patient with RP who is cHet for p.(Pro105Thr) in SNRNP200 and a 1.4Mb deletion spanning SNRNP200. Father is a carrier of the missense and is unaffected and the deletion was de novo; to: PMID: 31260034; more than 20 families reported with either de novo or AD with RP or retinal dystrophy (RD)

PMID: 29320387; p.(Arg1090Gln) in a proband with RP from a consag family with unaffected het parents and sibling

PMID: 23847139; p.(Pro1045Thr) homozygous in a patient with Leber congenital amaurosis (LCA)

PMID: 31260034: p.(Arg545His) homozygous in a patient with RP with asymptomatic het parents and sister

PMID: 27735924: in a patient with RP who is cHet for p.(Pro105Thr) in SNRNP200 and a 1.1Mb deletion spanning SNRNP200. Father is a carrier of the missense and is unaffected and the deletion was de novo
Mendeliome v0.2906 SNRNP200 Ain Roesley changed review comment from: PMID: 31260034; more than 20 families reported with either de novo or AD with RP or retinal dystrophy (RD)

PMID: 29320387; p.(Arg1090Gln) in a proband with RP from a consag family with unaffected het parents and sibling

PMID: 23847139; p.(Pro1045Thr) homozygous in a patient with Leber congenital amaurosis (LCA)

PMID: 31260034: p.(Arg545His) homozygous in a patient with RP with asymptomatic het parents and sister

PMID: 27735924: in a patient with RP who is cHet for p.(Pro105Thr) in SNRNP200 and a 1.1Mb deletion spanning SNRNP200. Father is a carrier of the missense and is unaffected and the deletion was de novo; to: PMID: 31260034; more than 20 families reported with either de novo or AD with RP or retinal dystrophy (RD)

PMID: 29320387; p.(Arg1090Gln) in a proband with RP from a consag family with unaffected het parents and sibling

PMID: 23847139; p.(Pro1045Thr) homozygous in a patient with Leber congenital amaurosis (LCA)

PMID: 31260034: p.(Arg545His) homozygous in a patient with RP with asymptomatic het parents and sister

PMID: 27735924: in a patient with RP who is cHet for p.(Pro105Thr) in SNRNP200 and a 1.4Mb deletion spanning SNRNP200. Father is a carrier of the missense and is unaffected and the deletion was de novo
Mendeliome v0.2361 USP45 Kristin Rigbye gene: USP45 was added
gene: USP45 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: USP45 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: USP45 were set to 30573563
Phenotypes for gene: USP45 were set to Leber congenital amaurosis; retinal dystrophy
Review for gene: USP45 was set to GREEN
Added comment: 2 unrelated Chinese families reported with rare homozygous variants (one missense, one nonsense) and Leber congenital amaurosis. Animal knockout functional studies supported gene-disease association.

PMID: 30573563 "By analysing WES data based on allele frequencies of in-house controls, population allele frequencies and in silico prediction tools, two rare homozygous mutations in USP45 were identified in two unrelated families. Immunohistochemistry of USP45 in the human and zebrafish retinal sections revealed enriched expression in the inner segments of photoreceptors. The knockdown of usp45 transcript in zebrafish led to abnormal retinal development with effects on photoreceptors, which could be successfully rescued by wild-type usp45 mRNA. Moreover, targeted knockout of Usp45 in mice caused abnormal electroretinography responses, similar to that seen in patients with LCA."
Sources: Literature
Mendeliome v0.1244 SERPINI1 Zornitza Stark Phenotypes for gene: SERPINI1 were changed from to Encephalopathy, familial, with neuroserpin inclusion bodies MIM#604218
Mendeliome v0.1242 SERPINI1 Zornitza Stark reviewed gene: SERPINI1: Rating: GREEN; Mode of pathogenicity: None; Publications: 28631894, 25401298, 12103288; Phenotypes: Encephalopathy, familial, with neuroserpin inclusion bodies MIM#604218; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.0 UROS Zornitza Stark gene: UROS was added
gene: UROS was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: UROS was set to Unknown