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Mendeliome v1.2557 SIRT1 Zornitza Stark Phenotypes for gene: SIRT1 were changed from autoimmune disease, MONDO:0007179 to autoimmune disease, MONDO:0007179; monogenic diabetes MONDO:0015967
Mendeliome v1.2556 SIRT1 Zornitza Stark reviewed gene: SIRT1: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: monogenic diabetes MONDO:0015967; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.2479 SIRT1 Sangavi Sivagnanasundram reviewed gene: SIRT1: Rating: RED; Mode of pathogenicity: None; Publications: https://search.clinicalgenome.org/CCID:008794; Phenotypes: monogenic diabetes MONDO:0015967; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.2470 FGB Bryony Thompson reviewed gene: FGB: Rating: GREEN; Mode of pathogenicity: None; Publications: 24560896; Phenotypes: Congenital fibrinogen deficiency MONDO:0018060; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v1.2470 FGA Bryony Thompson reviewed gene: FGA: Rating: GREEN; Mode of pathogenicity: None; Publications: 10602365, 11460510; Phenotypes: Congenital fibrinogen deficiency MONDO:0018060; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v1.2413 C19orf44 Sangavi Sivagnanasundram gene: C19orf44 was added
gene: C19orf44 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: C19orf44 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: C19orf44 were set to 40079362
Phenotypes for gene: C19orf44 were set to Late onset retinal dystrophy; MONDO:0019118
Review for gene: C19orf44 was set to GREEN
Added comment: 5 biallelic LoF variants were identified in 11 unrelated families of Jewish or Israeli ancestry. All affected individuals present with a form of retinal disorder including perifoveal chorioretinal atrophy and electroretinographic features of rod-cone degeneration.
All 5 variants were present in gnomAD v4.1 with varying AF (p.Ser325PhefsTer16 being the most common).
Sources: Literature
Mendeliome v1.2375 DUOX2 Bryony Thompson Added comment: Comment on mode of inheritance: Biallelic evidence for IBD is strong, but the evidence for the monoallelic association is limited. Semidominant inheritance for thyroid dyshormonogenesis.
Mendeliome v1.2285 MRAP2 Zornitza Stark gene: MRAP2 was added
gene: MRAP2 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: MRAP2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: MRAP2 were set to 23869016; 31700171; 27474872; 26795956
Phenotypes for gene: MRAP2 were set to Susceptibility to obesity, MIM#615457
Review for gene: MRAP2 was set to AMBER
Added comment: Multiple studies supporting association between rare variants and obesity; however ?monogenic vs susceptibility alleles.
Sources: Literature
Mendeliome v1.2268 MGA Zornitza Stark gene: MGA was added
gene: MGA was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: MGA was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: MGA were set to 39600096; 20044811; 39545409
Phenotypes for gene: MGA were set to Syndromic disease, MONDO:0002254, MGA-related; Premature ovarian failure 26, MIM# 621065
Review for gene: MGA was set to AMBER
Added comment: Association with syndromic disease: Three individuals with de novo LoF variants reported in individuals with ID and congenital anomalies. Zebrafish model supports role of this transcription factor in organogenesis. Note there are previous, less clear reports of association with NDD/CHD. Gene is constrained for LoF variants in gnomad v4; however, note there are ~30 individuals with LoF variants present. Borderline Green/Amber.

Association with POF: LoF variants enriched in a large POF cohort. Familial testing in a small number of families performed. Mouse model supportive. Also borderline Amber/Green.

Amber rating until phenotypes and mechanisms of disease for these two associations clarified.
Sources: Literature
Mendeliome v1.2228 P2RY8 Zornitza Stark gene: P2RY8 was added
gene: P2RY8 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: P2RY8 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: P2RY8 were set to 34889940
Phenotypes for gene: P2RY8 were set to Systemic lupus erythematosus, MONDO:0007915, P2RY8-related
Review for gene: P2RY8 was set to AMBER
Added comment: One de novo variant, p.Leu257Phe, absent from gnomAD v4 identified in an individual with early-onset SLE.

Subsequent search for additional individuals in large cohorts identified:
p. Asn97Lys, inherited from mother, present in 19 individuals in gnomADv4.
p.Glu323Gly identified in 6 Chinese individuals, inheritance not determined, present in 51 individuals in gnomADv4.

Functional data support the role of the gene in immune tolerance. Role in contributing to the development of SLE is plausible, though not necessarily under a monogenic model.
Sources: Literature
Mendeliome v1.2133 IGKC Bryony Thompson gene: IGKC was added
gene: IGKC was added to Mendeliome. Sources: Expert list
Mode of inheritance for gene: IGKC was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: IGKC were set to https://search.clinicalgenome.org/CCID:005121
Phenotypes for gene: IGKC were set to recurrent infections associated with rare immunoglobulin isotypes deficiency MONDO:0013576
Review for gene: IGKC was set to AMBER
Added comment: Antibody Deficiencies GCEP classify gene-disease association as Limited (18/05/2021) - at least 6 probands https://search.clinicalgenome.org/CCID:005121
Sources: Expert list
Mendeliome v1.2034 IL7R Ain Roesley Phenotypes for gene: IL7R were changed from Severe combined immunodeficiency, T-cell negative, B-cell/natural killer cell-positive type MIM# 608971; fever; rash; failure to thrive; recurrent respiratory and gastric infections; diarrhoea; lymphadenopathy; pneumonitis; Pancytopaenia; low T-cell numbers; decreased immunoglobulins; normal-high B/NK-cell numbers. to severe combined immunodeficiency 104 MIM#608971
Mendeliome v1.1565 KLF11 Bryony Thompson Added comment: Comment on list classification: Association with monogenic diabetes now Refuted
Classification - 02/08/2023. ClinGen Monogenic Diabetes GCEP - https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_b1e38a49-7c12-4514-a2a1-109e04da146f-2023-02-08T170000.000Z?page=1&size=25&search=
Mendeliome v1.1511 CCDC88C Rylee Peters reviewed gene: CCDC88C: Rating: AMBER; Mode of pathogenicity: None; Publications: 38173219; Phenotypes: monogenic epilepsy MONDO:0015653, CCDC88C-related; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v1.1319 PTPN4 Bryony Thompson changed review comment from: >3 unrelated probands and supporting mouse model
PMID: 17953619 - knockout mouse model has impaired motor learning and cerebellar synaptic plasticity
PMID: 25424712 - twins with a de novo whole gene deletion and a Rett-like neurodevelopmental disorder
PMID: 30238967 - mosaic de novo variant (p.Leu72Ser) identified in a child with developmental delay, autistic features, hypotonia, increased immunoglobulin E and dental problems. Also supporting mouse assays demonstrating loss of protein expression in dendritic spines
DOI: https://doi.org/10.1016/j.xhgg.2021.100033 - missense and truncating variants in six unrelated individuals with varying degrees of intellectual disability or developmental delay. 5 were able to undergo segregation analysis and found to be de novo.
Sources: Literature; to: >3 unrelated probands and supporting mouse model
PMID: 17953619 - knockout mouse model has impaired motor learning and cerebellar synaptic plasticity
PMID: 25424712 - twins with a de novo whole gene deletion and a Rett-like neurodevelopmental disorder
PMID: 30238967 - mosaic de novo variant (p.Leu72Ser) identified in a child with developmental delay, autistic features, hypotonia, increased immunoglobulin E and dental problems. Also supporting mouse assays demonstrating loss of protein expression in dendritic spines
PMID: 34527963 - missense and truncating variants in six unrelated individuals with varying degrees of intellectual disability or developmental delay. 5 were able to undergo segregation analysis and found to be de novo.
Sources: Literature
Mendeliome v1.1155 COL4A3BP Ee Ming Wong changed review comment from: - Thirty-one unrelated individuals with twenty-two distinct missense variants. The majority of variants were de novo.
- Several variants transfected into HeLa cells demonstrated gain of CERT activity
- CERT gain of function in Drosophila melanogaster led to head and brain size defects and impaired locomotor activity, which was corrected by pharmacological inhibition of CERT; to: - current HGNC symbol: CERT1
- Thirty-one unrelated individuals with twenty-two distinct missense variants. The majority of variants were de novo.
- Several variants transfected into HeLa cells demonstrated gain of CERT activity
- CERT gain of function in Drosophila melanogaster led to head and brain size defects and impaired locomotor activity, which was corrected by pharmacological inhibition of CERT
Mendeliome v1.1052 TEP1 Zornitza Stark gene: TEP1 was added
gene: TEP1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: TEP1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: TEP1 were set to 34543729
Phenotypes for gene: TEP1 were set to Cerebral palsy, MONDO:0006497, TEP1-related
Review for gene: TEP1 was set to AMBER
Added comment: Wang et al. screened a large cohort of more than 600 CP patients from China and found several variants in TEP1, 11 of which were LoF, while no LoF variant was found in the control cohort. These children all had spastic CP. Among these 11 children, 6 children had birth asphyxia and neonatal encephalopathy. Compared to the total group with birth asphyxia (71/667), 6 patients with TEP1 LOF mutations had a significantly greater risk of birth asphyxia. They confirmed TEP1 as a risk factor for CP by cytological and animal models.

Uncertain if these are risk alleles vs indicative of a monogenic disorder. Note LoF variants in gnomad. As this was a cohort study, inheritance of these variants is unknown.
Sources: Literature
Mendeliome v1.1033 MAP3K14 Zornitza Stark Phenotypes for gene: MAP3K14 were changed from NIK deficiency; Poor T cell proliferation to antigen; Low B-cell numbers; Low NK number and function; recurrent bacterial/viral/ cryptosporidium infections; hypogammaglobulinaemia; decreased immunoglobulin levels to Immunodeficiency 112, MIM# 620449; NIK deficiency; Poor T cell proliferation to antigen; Low B-cell numbers; Low NK number and function; recurrent bacterial/viral/ cryptosporidium infections; hypogammaglobulinaemia; decreased immunoglobulin levels
Mendeliome v1.1032 MAP3K14 Zornitza Stark edited their review of gene: MAP3K14: Changed phenotypes: Immunodeficiency 112, MIM# 620449, NIK deficiency, Poor T cell proliferation to antigen, Low B-cell numbers, Low NK number and function, recurrent bacterial/viral/ cryptosporidium infections, hypogammaglobulinaemia, decreased immunoglobulin levels
Mendeliome v1.477 CLEC3B Chirag Patel gene: CLEC3B was added
gene: CLEC3B was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: CLEC3B was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: CLEC3B were set to PMID: 35331648
Phenotypes for gene: CLEC3B were set to Macular dystrophy, retinal, 4, OMIM #619977
Review for gene: CLEC3B was set to GREEN
Added comment: 12 affected individuals from 5 multigenerational Japanese families in a small village in Miyazaki diagnosed with autosomal dominant maculoretinopathy. WES identified a pathogenic variant (p.Ala180Asp) in CLEC3B, which encodes tetranectin, a plasminogen kringle-4 binding protein. Variant cosegregated with the ocular phenotype.

Mice that received subretinal injections with CLEC3B variant displayed multiple subretinal hyperreflective deposits, reduced retinal thickness, and decreased electroretinographic responses. The optokinetic tracking response indicated that spatial frequency was significantly lower (P < .05), implying impaired visual function in the mice.
Sources: Literature
Mendeliome v1.385 VPS33A Bryony Thompson changed review comment from: PMID: 28013294 - 13 cases homozygous for VPS33A c.1492C>T p.(Arg498Trp) from non-consanguineous Yakuti families with a Mucopolysaccharidoses-like disease (coarse facial features, skeletal abnormalities, hepatosplenomegaly, respiratory problems, intellectual disability, and excess secretion of urinary glycosaminoglycans). Lysosomal over-acidification and heparan sulphate accumulation were detected in patient-derived and VPS33A-depleted HeLa cells.
PMID: 27547915 - 2 affected siblings homozygous for VPS33A p.(Arg498Trp) from a consanguineous Turkish family
PMID: 31936524 - 1 homozygous case from a non-consanguineous Yakuti family
PMID: 36153662 - an attenuated juvenile case with a new homozygous missense variant VPS33A c.599G>C p.(Arg200Pro). Urinary glycosaminoglycan analysis revealed increased heparan, dermatan sulphates, and hyaluronic acid and decreased abundance of VPS33A in patient-derived fibroblasts; to: Now two missense variants reported with disease in at least 15 probands/families
PMID: 28013294 - 13 cases homozygous for VPS33A c.1492C>T p.(Arg498Trp) from non-consanguineous Yakuti families with a Mucopolysaccharidoses-like disease (coarse facial features, skeletal abnormalities, hepatosplenomegaly, respiratory problems, intellectual disability, and excess secretion of urinary glycosaminoglycans). Lysosomal over-acidification and heparan sulphate accumulation were detected in patient-derived and VPS33A-depleted HeLa cells.
PMID: 27547915 - 2 affected siblings homozygous for VPS33A p.(Arg498Trp) from a consanguineous Turkish family
PMID: 31936524 - 1 homozygous case from a non-consanguineous Yakuti family
PMID: 36153662 - an attenuated juvenile case with a new homozygous missense variant VPS33A c.599G>C p.(Arg200Pro). Urinary glycosaminoglycan analysis revealed increased heparan, dermatan sulphates, and hyaluronic acid and decreased abundance of VPS33A in patient-derived fibroblasts
Mendeliome v1.323 NODAL Zornitza Stark edited their review of gene: NODAL: Added comment: NODAL is a good biological candidate for heterotaxy disorders, and this is supported by animal models. The gene is depleted for LoF variants in gnomad.

The missense variants reported in PMIDs 9354794 and 19064609 are present at a high population frequency in gnomad, including some in homozygous case: their association with disease is DISPUTED.

A total of at least 7 families reported with severe CHD and high impact variants (stop gain, frameshift and canonical splice site). However, almost invariably these were inherited from unaffected or questionably affected parents (e.g. self reports of heart murmur in childhood), raising questions about whether these variants contribute to disease under a monogenic or polygenic model and/or about penetrance.

Discussed at GenCC on 13/9/2022 and agreed on MODERATE assessment.; Changed rating: AMBER; Changed publications: 9354794, 19064609, 29368431, 19933292, 11311163, 30293987
Mendeliome v1.202 DUOX2 Zornitza Stark Phenotypes for gene: DUOX2 were changed from Thyroid dyshormonogenesis 6 - MIM#607200 to Thyroid dyshormonogenesis 6 - MIM#607200; Inflammatory bowel disease, MONDO:0005265, DUOX2-related
Mendeliome v1.110 POU2AF1 Zornitza Stark gene: POU2AF1 was added
gene: POU2AF1 was added to Mendeliome. Sources: Expert Review
Mode of inheritance for gene: POU2AF1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: POU2AF1 were set to 33571536
Phenotypes for gene: POU2AF1 were set to Agammaglobulinaemia, MONDO:0015977, POU2AF1-related
Review for gene: POU2AF1 was set to RED
Added comment: Single individual from consanguineous parents lacking immunoglobulins despite normal total B-cell numbers.
Sources: Expert Review
Mendeliome v0.14742 DSPP Zornitza Stark Phenotypes for gene: DSPP were changed from to Deafness, autosomal dominant 39, with dentinogenesis - MIM#605594; Dentin dysplasia, type II - MIM#125420; Dentinogenesis imperfecta, Shields type II - MIM#125490; Dentinogenesis imperfecta, Shields type III - MIM#125500
Mendeliome v0.14740 DUOX2 Zornitza Stark Phenotypes for gene: DUOX2 were changed from to Thyroid dyshormonogenesis 6 - MIM#607200
Mendeliome v0.14738 DUOXA2 Zornitza Stark Phenotypes for gene: DUOXA2 were changed from to Thyroid dyshormonogenesis 5 - MIM#274900
Mendeliome v0.14291 DNAJC3 Krithika Murali changed review comment from: Well-established association with monogenic diabetes with growth restriction, hypothyroidism, neuropathy, sensorineural hearing loss and cerebellar ataxia also reported affected individuals (PMID 33486469 Lytrvi et al 2021 report 2 additional families and summarise the phenotypic features of 4 previously reported families).; to: Well-established association with monogenic diabetes. Growth restriction, hypothyroidism, neuropathy, sensorineural hearing loss and cerebellar ataxia also reported in affected individuals (PMID 33486469 Lytrvi et al 2021 report 2 additional families and summarise the phenotypic features of 4 previously reported families).
Mendeliome v0.14029 FGG Bryony Thompson Phenotypes for gene: FGG were changed from to congenital fibrinogen deficiency MONDO:0018060
Mendeliome v0.14024 FGG Bryony Thompson reviewed gene: FGG: Rating: GREEN; Mode of pathogenicity: None; Publications: 2713997, 11001902, 11001903, 9746756, 23560673, 28992465, 10980108, 15304068; Phenotypes: congenital fibrinogen deficiency MONDO:0018060; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v0.13991 DSPP Krithika Murali reviewed gene: DSPP: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Deafness, autosomal dominant 39, with dentinogenesis - MIM#605594, Dentin dysplasia, type II - MIM#125420, Dentinogenesis imperfecta, Shields type II - MIM#125490, Dentinogenesis imperfecta, Shields type III - MIM#125500; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.13991 DUOX2 Krithika Murali reviewed gene: DUOX2: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Thyroid dyshormonogenesis 6 - MIM#607200; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.13991 DUOXA2 Krithika Murali reviewed gene: DUOXA2: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Thyroid dyshormonogenesis 5 - MIM#274900; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.13684 CORIN Ain Roesley Added comment: Comment on list classification: pre-eclampsia is typically not monogenic
Mendeliome v0.13103 FAM58A Bryony Thompson Phenotypes for gene: FAM58A were changed from to syndactyly-telecanthus-anogenital and renal malformations syndrome MONDO:0010408
Mendeliome v0.13100 FAM58A Bryony Thompson reviewed gene: FAM58A: Rating: GREEN; Mode of pathogenicity: None; Publications: 18297069, 8818947, 28322501, 8818947; Phenotypes: syndactyly-telecanthus-anogenital and renal malformations syndrome MONDO:0010408; Mode of inheritance: Other; Current diagnostic: yes
Mendeliome v0.12373 SLC6A19 Zornitza Stark Phenotypes for gene: SLC6A19 were changed from to Hartnup disorder, MIM# 234500; Hyperglycinuria, MIM# 138500; Iminoglycinuria, MIM# 242600
Mendeliome v0.12186 TG Zornitza Stark Phenotypes for gene: TG were changed from to Thyroid dyshormonogenesis 3, MIM# 274700
Mendeliome v0.12183 TG Zornitza Stark reviewed gene: TG: Rating: GREEN; Mode of pathogenicity: None; Publications: 33832185, 19169491, 28620499, 18631008, 12915634; Phenotypes: Thyroid dyshormonogenesis 3, MIM# 274700; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11880 NOG Zornitza Stark Marked gene: NOG as ready
Mendeliome v0.11880 NOG Zornitza Stark Gene: nog has been classified as Green List (High Evidence).
Mendeliome v0.11880 NOG Zornitza Stark Phenotypes for gene: NOG were changed from to Brachydactyly, type B2 - MIM#611377; Multiple synostoses syndrome 1 (MIM#186500); Stapes ankylosis with broad thumbs and toes (MIM#184460); Symphalangism, proximal, 1A (MIM#185800); Tarsal-carpal coalition syndrome (MIM#186570)
Mendeliome v0.11879 NOG Zornitza Stark Publications for gene: NOG were set to
Mendeliome v0.11878 NOG Zornitza Stark Mode of inheritance for gene: NOG was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.11860 NOG Krithika Murali reviewed gene: NOG: Rating: GREEN; Mode of pathogenicity: None; Publications: 11846737, 18440889, 12089654, 10080184, 15066478, 22088931, 17381491; Phenotypes: Brachydactyly, type B2 - MIM#611377, Multiple synostoses syndrome 1 (MIM#186500), Stapes ankylosis with broad thumbs and toes (MIM#184460), Symphalangism, proximal, 1A (MIM#185800), Tarsal-carpal coalition syndrome (MIM#186570); Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.11365 IYD Zornitza Stark Phenotypes for gene: IYD were changed from to Thyroid dyshormonogenesis 4, MIM# 274800
Mendeliome v0.11362 IYD Zornitza Stark reviewed gene: IYD: Rating: GREEN; Mode of pathogenicity: None; Publications: 18434651, 18434651; Phenotypes: Thyroid dyshormonogenesis 4, MIM# 274800; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11097 HIST1H4F Elena Savva gene: HIST1H4F was added
gene: HIST1H4F was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: HIST1H4F was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: HIST1H4F were set to PMID: 35202563
Phenotypes for gene: HIST1H4F were set to Neurodevelopmental disorders
Review for gene: HIST1H4F was set to AMBER
Added comment: PMID: 35202563 - single de novo missense in a patient with neurodevelopmental features of intellectual disability and motor and/or gross developmental delay.
- zebrafish studies show a significant increase in all of mild dev delay, necrosis, defective organogenesis and pre-gastrulation failure
Sources: Literature
Mendeliome v0.11092 HIST1H4I Elena Savva gene: HIST1H4I was added
gene: HIST1H4I was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: HIST1H4I was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: HIST1H4I were set to PMID: 35202563
Phenotypes for gene: HIST1H4I were set to Neurodevelopmental syndrome
Review for gene: HIST1H4I was set to GREEN
Added comment: PMID: 35202563
- 3 unrelated de novo patients, p.His75Arg was recurring and observed in 2/3 probands.
- Zebrafish study shows both variants resulted in a significant increases in developmental issues such as in mild dev delay, necrosis and defective organogenesis.
- All patients had intellectual disability and motor and/or gross developmental delay and dysmorphisms.
- 2/3 patients showed bilateral conductive hearing loss
Sources: Literature
Mendeliome v0.10244 SEMA7A Paul De Fazio changed review comment from: There is no conclusive evidence of association with monogenic disease for this gene.

Koh et al 2006 (PMID:16372136) identified an association between common polymorphisms and decreased bone mineral density in 560 postmenopausal Korean women.

Zhao et al 2020 (PMID:31650878) identified a heterozygous splice variant at -3 (absent from gnomad) in a young woman with Kallman syndrome. It was inherited from her father, who had retarded pubertal development but a normal sense of smell.

Pan et al 2021 (PMID:34585848) identified a homozygous missense variant (gnomad: 107 hets 0 homs) in a child with progressive familial intrahepatic cholestasis. Mouse knock-ins recapitulated the patient phenotype.; to: Koh et al 2006 (PMID:16372136) identified an association between common polymorphisms and decreased bone mineral density in 560 postmenopausal Korean women.

Zhao et al 2020 (PMID:31650878) identified a heterozygous splice variant at -3 (absent from gnomad) in a young woman with Kallman syndrome. It was inherited from her father, who had retarded pubertal development but a normal sense of smell.

Pan et al 2021 (PMID:34585848) identified a homozygous missense variant (gnomad: 107 hets 0 homs) in a child with progressive familial intrahepatic cholestasis. Mouse knock-ins recapitulated the patient phenotype.

Low evidence for association with disease.
Mendeliome v0.8968 BLM Zornitza Stark Phenotypes for gene: BLM were changed from to Bloom Syndrome MIM# 210900; Short stature, dysmorphic facies; sun-sensitive; immunoglobulin deficiency (IgA, IgG, IgM); erythema; marrow failure; leukaemia; lymphoma; chromosomal instability; predisposition to malignancies
Mendeliome v0.8953 BLM Danielle Ariti reviewed gene: BLM: Rating: GREEN; Mode of pathogenicity: None; Publications: 17407155, 9285778, 7585968, 8079989, 12242442, 11101838; Phenotypes: Bloom Syndrome MIM# 210900, Short stature, dysmorphic facies, sun-sensitive, immunoglobulin deficiency (IgA, IgG, IgM), erythema, marrow failure, leukaemia, lymphoma, chromosomal instability, predisposition to malignancies; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.8644 MAP3K14 Zornitza Stark Phenotypes for gene: MAP3K14 were changed from to NIK deficiency; Poor T cell proliferation to antigen; Low B-cell numbers; Low NK number and function; recurrent bacterial/viral/ cryptosporidium infections; hypogammaglobulinaemia; decreased immunoglobulin levels
Mendeliome v0.8641 MAP3K14 Zornitza Stark reviewed gene: MAP3K14: Rating: GREEN; Mode of pathogenicity: None; Publications: 10319865, 11238593, 12352969; Phenotypes: NIK deficiency, Poor T cell proliferation to antigen, Low B-cell numbers, Low NK number and function, recurrent bacterial/viral/ cryptosporidium infections, hypogammaglobulinaemia, decreased immunoglobulin levels; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.8629 IL7R Zornitza Stark Phenotypes for gene: IL7R were changed from to Severe combined immunodeficiency, T-cell negative, B-cell/natural killer cell-positive type MIM# 608971; fever; rash; failure to thrive; recurrent respiratory and gastric infections; diarrhoea; lymphadenopathy; pneumonitis; Pancytopaenia; low T-cell numbers; decreased immunoglobulins; normal-high B/NK-cell numbers.
Mendeliome v0.8614 IL7R Danielle Ariti reviewed gene: IL7R: Rating: GREEN; Mode of pathogenicity: None; Publications: 9843216, 19890784, 26123418, 11023514, 7964471; Phenotypes: Severe combined immunodeficiency, T-cell negative, B-cell/natural killer cell-positive type MIM# 608971, fever, rash, failure to thrive, recurrent respiratory and gastric infections, diarrhoea, lymphadenopathy, pneumonitis, Pancytopaenia, low T-cell numbers, decreased immunoglobulins, normal-high B/NK-cell numbers.; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.8527 DNMT3B Zornitza Stark Phenotypes for gene: DNMT3B were changed from to Immunodeficiency-centromeric instability-facial anomalies syndrome 1 MIM# 242860; facial dysmorphic features; flat nasal bridge; developmental delay; macroglossia; bacterial/opportunistic infections (recurrent); malabsorption; cytopaenia; malignancies; multiradial configurations of chromosomes 1, 9, 16; Hypogammaglobulinaemia; agammaglobulinaemia; variable antibody deficiency; decreased immunoglobulin production; low T/B/NK cells
Mendeliome v0.8524 DNMT3B Zornitza Stark reviewed gene: DNMT3B: Rating: GREEN; Mode of pathogenicity: None; Publications: 20587527, 10555141, 17359920, 9718351, 10647011, 11102980, 12239717; Phenotypes: Immunodeficiency-centromeric instability-facial anomalies syndrome 1 MIM# 242860, facial dysmorphic features, flat nasal bridge, developmental delay, macroglossia, bacterial/opportunistic infections (recurrent), malabsorption, cytopaenia, malignancies, multiradial configurations of chromosomes 1, 9, 16, Hypogammaglobulinaemia, agammaglobulinaemia, variable antibody deficiency, decreased immunoglobulin production, low T/B/NK cells; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.7905 PLG Zornitza Stark changed review comment from: Association between mono-allelic variants and HAE: Over 20 families reported with a recurrent variant, p.Lys330Glu. Single family reported with a different variant. Note bi-allelic variants are associated with a separate disorder.

Bi-allelic variants and plasminogen deficiency: congenital plasminogen deficiency is characterised clinically by chronic mucosal pseudomembranous lesions consisting of subepithelial fibrin deposition and inflammation. The most common clinical manifestation is ligneous ('wood-like') conjunctivitis, a redness and subsequent formation of pseudomembranes mostly on the palpebral surfaces of the eye that progress to white, yellow-white, or red thick masses with a wood-like consistency that replace the normal mucosa. The lesions may be triggered by local injury and/or infection and often recur after local excision. Pseudomembranous lesions of other mucous membranes often occur in the mouth, nasopharynx, trachea, and female genital tract. Some affected children also have congenital occlusive hydrocephalus. At least 3 unrelated families reported.; to: Association between mono-allelic variants and HAE: Over 20 families reported with a recurrent variant, p.Lys330Glu. Single family reported with a different variant. Note bi-allelic variants are associated with a separate disorder.

Bi-allelic variants and plasminogen deficiency: congenital plasminogen deficiency is characterised clinically by chronic mucosal pseudomembranous lesions consisting of subepithelial fibrin deposition and inflammation. The most common clinical manifestation is ligneous ('wood-like') conjunctivitis, a redness and subsequent formation of pseudomembranes mostly on the palpebral surfaces of the eye that progress to white, yellow-white, or red thick masses with a wood-like consistency that replace the normal mucosa. The lesions may be triggered by local injury and/or infection and often recur after local excision. Pseudomembranous lesions of other mucous membranes often occur in the mouth, nasopharynx, trachea, and female genital tract. Some affected children also have congenital occlusive hydrocephalus. Over 20 unrelated families reported.
Mendeliome v0.7905 PLG Zornitza Stark Phenotypes for gene: PLG were changed from to Hereditary angioedema-4 (HAE4), MIM#619360; Plasminogen deficiency, type I, MIM# 217090
Mendeliome v0.7902 PLG Zornitza Stark reviewed gene: PLG: Rating: GREEN; Mode of pathogenicity: None; Publications: 28795768, 29548426, 29987869, 9242524, 10233898; Phenotypes: Hereditary angioedema-4 (HAE4), MIM#619360, Plasminogen deficiency, type I, MIM# 217090; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.7820 SERPINE1 Zornitza Stark Phenotypes for gene: SERPINE1 were changed from to Plasminogen activator inhibitor-1 deficiency, MIM# 613329
Mendeliome v0.7817 SERPINE1 Zornitza Stark reviewed gene: SERPINE1: Rating: GREEN; Mode of pathogenicity: None; Publications: 9207454, 15650551; Phenotypes: Plasminogen activator inhibitor-1 deficiency, MIM# 613329; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Mendeliome v0.7770 FGB Zornitza Stark Phenotypes for gene: FGB were changed from to Afibrinogenaemia, congenital, MIM# 202400; Hypofibrinogenaemia, congenital, MIM# 202400; Dysfibrinogenaemia, congenital, MIM# 616004
Mendeliome v0.7767 FGB Zornitza Stark changed review comment from: Inherited disorders of fibrinogen affect either the quantity (afibrinogenaemia and hypofibrinogenaemia) or the quality (dysfibrinogenemia) of the circulating fibrinogen or both.

Afibrinogenaemia is characterized by the complete absence of immunoreactive fibrinogen. Bleeding due to afibrinogenaemia usually manifests in the neonatal period, with 85% of cases presenting umbilical cord bleeding, but a later age of onst is not unusual. Bleeding may occur in the skin, gastrointestinal tract, genitourinary tract, or the central nervous system, with intracranial haemorrhage being reported as the major cause of death. Patients are susceptible to spontaneous rupture of the spleen. First-trimester pregnancy loss is common. Both arterial and venous thromboembolic complications have been reported. Hypofibrinogenaemia is a milder disorder. Well established gene-disease association.; to: Inherited disorders of fibrinogen affect either the quantity (afibrinogenaemia and hypofibrinogenaemia) or the quality (dysfibrinogenemia) of the circulating fibrinogen or both.

Afibrinogenaemia is characterized by the complete absence of immunoreactive fibrinogen. Bleeding due to afibrinogenaemia usually manifests in the neonatal period, with 85% of cases presenting umbilical cord bleeding, but a later age of onst is not unusual. Bleeding may occur in the skin, gastrointestinal tract, genitourinary tract, or the central nervous system, with intracranial haemorrhage being reported as the major cause of death. Patients are susceptible to spontaneous rupture of the spleen. First-trimester pregnancy loss is common. Both arterial and venous thromboembolic complications have been reported. Hypofibrinogenaemia is a milder disorder.

Well established gene-disease association.
Mendeliome v0.7767 FGB Zornitza Stark reviewed gene: FGB: Rating: GREEN; Mode of pathogenicity: None; Publications: 12393540, 16195396; Phenotypes: Afibrinogenaemia, congenital, MIM# 202400, Hypofibrinogenaemia, congenital, MIM# 202400, Dysfibrinogenaemia, congenital, MIM# 616004; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.7640 FGA Zornitza Stark Phenotypes for gene: FGA were changed from to Afibrinogenemia, congenital (MIM#202400), AR; Amyloidosis, familial visceral (MIM#105200), AD
Mendeliome v0.7637 FGA Chern Lim reviewed gene: FGA: Rating: GREEN; Mode of pathogenicity: None; Publications: 31064749, 17295221, 19073821, 11739173; Phenotypes: Afibrinogenemia, congenital (MIM#202400), AR, Amyloidosis, familial visceral (MIM#105200), AD; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal; Current diagnostic: yes
Mendeliome v0.7626 SLCO1B1 Zornitza Stark Added comment: Comment when marking as ready: Not a monogenic disorder.
Mendeliome v0.7509 PTPN4 Bryony Thompson gene: PTPN4 was added
gene: PTPN4 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: PTPN4 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: PTPN4 were set to 17953619; 25424712; 30238967; DOI: https://doi.org/10.1016/j.xhgg.2021.100033
Phenotypes for gene: PTPN4 were set to Intellectual disability; developmental delay
Review for gene: PTPN4 was set to GREEN
Added comment: >3 unrelated probands and supporting mouse model
PMID: 17953619 - knockout mouse model has impaired motor learning and cerebellar synaptic plasticity
PMID: 25424712 - twins with a de novo whole gene deletion and a Rett-like neurodevelopmental disorder
PMID: 30238967 - mosaic de novo variant (p.Leu72Ser) identified in a child with developmental delay, autistic features, hypotonia, increased immunoglobulin E and dental problems. Also supporting mouse assays demonstrating loss of protein expression in dendritic spines
DOI: https://doi.org/10.1016/j.xhgg.2021.100033 - missense and truncating variants in six unrelated individuals with varying degrees of intellectual disability or developmental delay. 5 were able to undergo segregation analysis and found to be de novo.
Sources: Literature
Mendeliome v0.7147 MIA3 Zornitza Stark changed review comment from: Odontochondrodysplasia-2 with hearing loss and diabetes (ODCD2) is characterized by growth retardation with proportionate short stature, dentinogenesis imperfecta, sensorineural hearing loss, insulin-dependent diabetes, and mild intellectual disability.

Four affected siblings reported. Mouse model has absence of bone mineralization.
Sources: Expert list; to: Odontochondrodysplasia-2 with hearing loss and diabetes (ODCD2) is characterized by growth retardation with proportionate short stature, dentinogenesis imperfecta, sensorineural hearing loss, insulin-dependent diabetes, and mild intellectual disability.

Four affected siblings reported, homozygous variant affecting splicing. Mouse model has absence of bone mineralization.
Sources: Expert list
Mendeliome v0.7147 MIA3 Zornitza Stark gene: MIA3 was added
gene: MIA3 was added to Mendeliome. Sources: Expert list
Mode of inheritance for gene: MIA3 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: MIA3 were set to 32101163; 33778321
Phenotypes for gene: MIA3 were set to Ondontochondrodysplasia 2 with hearing loss and diabetes , MIM#619269
Review for gene: MIA3 was set to AMBER
Added comment: Odontochondrodysplasia-2 with hearing loss and diabetes (ODCD2) is characterized by growth retardation with proportionate short stature, dentinogenesis imperfecta, sensorineural hearing loss, insulin-dependent diabetes, and mild intellectual disability.

Four affected siblings reported. Mouse model has absence of bone mineralization.
Sources: Expert list
Mendeliome v0.7121 SLC5A5 Zornitza Stark Phenotypes for gene: SLC5A5 were changed from to Thyroid dyshormonogenesis 1, MIM# 274400; MONDO:0020716
Mendeliome v0.7118 SLC5A5 Zornitza Stark reviewed gene: SLC5A5: Rating: GREEN; Mode of pathogenicity: None; Publications: 9745458, 9171822, 33815280, 32319661; Phenotypes: Thyroid dyshormonogenesis 1, MIM# 274400, MONDO:0020716; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.6289 SLC36A2 Zornitza Stark Phenotypes for gene: SLC36A2 were changed from to Hyperglycinuria MIM#138500; Iminoglycinuria, digenic MIM#242600; Disorders of amino acid transport
Mendeliome v0.6285 SLC36A2 Zornitza Stark reviewed gene: SLC36A2: Rating: AMBER; Mode of pathogenicity: None; Publications: 19033659, 26141664, 27604308; Phenotypes: Hyperglycinuria MIM#138500, Iminoglycinuria, digenic MIM#242600, Disorders of amino acid transport; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.6107 CREB3L3 Bryony Thompson gene: CREB3L3 was added
gene: CREB3L3 was added to Mendeliome. Sources: Expert list
Mode of inheritance for gene: CREB3L3 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: CREB3L3 were set to 32580631; 29954705; 27982131; 27291420; 26427795; 21666694
Phenotypes for gene: CREB3L3 were set to Hyperlipidaemia; hypertriglyceridemia
Review for gene: CREB3L3 was set to AMBER
Added comment: PMID: 26427795 - a loss of function variant (c.359delG p.K120fsX20) was identified in 2 affected adult siblings and a 13 yo normotriglyceridemic daughter of one of the siblings.
PMID: 21666694 - Lipoprotein profiles of the families of 4 individuals with CREB3L3 nonsense mutations showed a significantly elevated mean plasma TG level in 11 mutation carriers compared with 5 non-carrier first-degree relatives (9.67 ± 4.70 vs. 1.66 ± 0.55 mM, P = 0.021, Wilcoxon test). 3 of those families have the same variant - Lys245GlufsTer130, which has 126 (281,946 alleles) hets in gnomAD v2.1.
PMID: 32580631 - case-control analysis of nonmonogenic severe hypertriglyceridemia cases (N=265) vs normolipidemic controls (N=477), identified 5 cases with LoF variants (3 of whom had the Lys245GlufsTer130 frameshift) and none in controls. OR 20.2 (95% CI 1.11–366.1) p = 0.002, adjusted p = 0.03.
The frequency of Lys245GlufsTer130 is higher than expected for a dominant disorder, but other loss of function variants have been identified. The gene may be associated with variable penetrance. There are multiple supporting null mouse models with hyperlipidaemia.
Sources: Expert list
Mendeliome v0.5174 TPO Zornitza Stark Phenotypes for gene: TPO were changed from to Thyroid dyshormonogenesis 2A, MIM# 274500
Mendeliome v0.5171 TPO Zornitza Stark reviewed gene: TPO: Rating: GREEN; Mode of pathogenicity: None; Publications: 8027236, 10084596; Phenotypes: Thyroid dyshormonogenesis 2A, MIM# 274500; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.4229 TET2 Zornitza Stark changed review comment from: Association study (PMID 32330418) found enrichment of non-coding and LoF TET2 variants in cohort of individuals with early onset dementia, unclear if this is monogenic or polygenic contribution.; to: Mono-allelic variants: Association study (PMID 32330418) found enrichment of non-coding and LoF TET2 variants in cohort of individuals with early onset dementia, unclear if this is monogenic or polygenic contribution.
Mendeliome v0.2787 TET2 Zornitza Stark edited their review of gene: TET2: Added comment: Association study (PMID 32330418) found enrichment of non-coding and LoF TET2 variants in cohort of individuals with early onset dementia, unclear if this is monogenic or polygenic contribution.; Changed publications: 30890702, 31827242, 32330418
Mendeliome v0.2767 UGDH Zornitza Stark gene: UGDH was added
gene: UGDH was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: UGDH was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: UGDH were set to 32001716
Phenotypes for gene: UGDH were set to Epileptic encephalopathy, early infantile, 84 - MIM #618792
Review for gene: UGDH was set to GREEN
Added comment: 36 individuals with biallelic UGDH pathogenic variants reported. The phenotype corresponded overall to a developmental epileptic encephalopathy with hypotonia, feeding difficulties, severe global DD, moderate or commonly severe ID in all. Hypotonia and motor disorder (incl. spasticity, dystonia, ataxia, chorea, etc) often occurred prior to the onset of seizures. A single individual did not present seizures and 2 sibs had only seizures in the setting of fever. There were no individuals with biallelic pLoF variants identified. Parental/sib studies were all compatible with AR inheritance mode.

UGDH encodes the enzyme UDP-glucose dehydrogenase which converts UDP-glucose to UDP-glucuronate, the latter being a critical component of the glycosaminoglycans, hyaluronan, chondroitin sulfate, and heparan sulfate. Patient fibroblast and biochemical assays suggested a LoF effect of variants leading to impairment of UGDH stability, oligomerization or enzymatic activity (decreased UGDH-catalyzed reduction of NAD+ to NADH / hyaluronic acid production which requires UDP-glucuronate).

Attempts to model the disorder using an already developped zebrafish model (for a hypomorphic LoF allele) were unsuccessful as fish did not exhibit seizures spontaneously or upon induction with PTZ. Modelling of the disorder in vitro using patient-derived cerebral organoids demonstrated smaller organoids due to reduced number of proliferating neural progenitors
Sources: Literature
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 v0.2161 TNFSF12 Zornitza Stark Phenotypes for gene: TNFSF12 were changed from to Recurrent infections, poor antibody responses, decreased immunoglobulins
Mendeliome v0.2157 TNFSF12 Zornitza Stark reviewed gene: TNFSF12: Rating: RED; Mode of pathogenicity: None; Publications: 23493554; Phenotypes: Recurrent infections, poor antibody responses, decreased immunoglobulins; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.1850 FBN2 Zornitza Stark Added comment: Comment when marking as ready: The gene-disease association with Contractual arachnodactyly is extremely well established. The gene-disease association with macular degeneration much less so. There are ~4 families reported in the literature, and some discussion about whether the contribution of rare FBN2 variants in this context are under a 'monogenic' or 'polygenic' model.
Mendeliome v0.0 NOG Zornitza Stark gene: NOG was added
gene: NOG was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: NOG was set to Unknown