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BabyScreen+ newborn screening v1.114 SDHD Tommy Li Added phenotypes Mitochondrial complex II deficiency, nuclear type 3, MIM# 619167; Paragangliomas 1, with or without deafness, MIM# 168000 for gene: SDHD
BabyScreen+ newborn screening v1.114 HEXA Tommy Li Added phenotypes GM2-gangliosidosis, several forms 272800; Tay-Sachs disease 272800 for gene: HEXA
BabyScreen+ newborn screening v1.114 GLB1 Tommy Li Added phenotypes GM1-gangliosidosis, type I MIM#230500; Mucopolysaccharidosis type IVB (Morquio) MIM#253010; GM1-gangliosidosis, type II MIM# 230600; GM1-gangliosidosis, type III MIM#230650 for gene: GLB1
BabyScreen+ newborn screening v1.114 GAN Tommy Li Added phenotypes Giant axonal neuropathy-1, MIM#256850 for gene: GAN
BabyScreen+ newborn screening v1.114 SLC39A14 Tommy Li Added phenotypes Hypermanganesemia with dystonia 2, MIM# 617013 for gene: SLC39A14
BabyScreen+ newborn screening v1.114 SDHC Tommy Li Added phenotypes Hereditary Paraganglioma-Pheochromocytoma Syndromes for gene: SDHC
BabyScreen+ newborn screening v1.114 SDHB Tommy Li Added phenotypes Hereditary Paraganglioma-Pheochromocytoma Syndromes for gene: SDHB
BabyScreen+ newborn screening v1.114 SDHAF2 Tommy Li Added phenotypes Hereditary Paraganglioma-Pheochromocytoma Syndromes for gene: SDHAF2
BabyScreen+ newborn screening v1.114 SLC30A10 Tommy Li Added phenotypes Hypermanganesemia with dystonia 1, MIM# 613280 for gene: SLC30A10
BabyScreen+ newborn screening v1.114 PSTPIP1 Tommy Li Added phenotypes Pyogenic sterile arthritis, pyoderma gangrenosum, and acne, MIM# 604416 for gene: PSTPIP1
BabyScreen+ newborn screening v1.87 PSTPIP1 Zornitza Stark gene: PSTPIP1 was added
gene: PSTPIP1 was added to BabyScreen+ newborn screening. Sources: Expert list
treatable, immunological tags were added to gene: PSTPIP1.
Mode of inheritance for gene: PSTPIP1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: PSTPIP1 were set to Pyogenic sterile arthritis, pyoderma gangrenosum, and acne, MIM# 604416
Review for gene: PSTPIP1 was set to GREEN
Added comment: Established gene-disease association.

Onset in childhood.

Treatment: adalimumab and tacrolimus, NSAIDs, corticosteroids, BMT

non-genetic confirmatory testing: no
Sources: Expert list
BabyScreen+ newborn screening v0.2033 MYD88 Zornitza Stark gene: MYD88 was added
gene: MYD88 was added to Baby Screen+ newborn screening. Sources: Expert list
treatable, immunological tags were added to gene: MYD88.
Mode of inheritance for gene: MYD88 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: MYD88 were set to 18669862; 20538326; 31301515
Phenotypes for gene: MYD88 were set to Immunodeficiency 68, MIM# 612260
Review for gene: MYD88 was set to GREEN
Added comment: Immunodeficiency-68 (IMD68) is an autosomal recessive primary immunodeficiency characterized by severe systemic and invasive bacterial infections beginning in infancy or early childhood. The most common organisms implicated are Streptococcus pneumoniae, Staphylococcus aureus, and Pseudomonas, although other organisms may be observed.

At least 7 families and a mouse model.

Treatment: Prophylactic antibiotic treatment, pneumococcal, meningococcal, haemophilus influenzae vaccines, and immunoglobulin replacement.

Non-genetic confirmatory testing: toll-like receptor function
Sources: Expert list
BabyScreen+ newborn screening v0.1977 HSD11B2 Zornitza Stark gene: HSD11B2 was added
gene: HSD11B2 was added to Baby Screen+ newborn screening. Sources: Expert list
treatable, endocrine tags were added to gene: HSD11B2.
Mode of inheritance for gene: HSD11B2 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: HSD11B2 were set to Apparent mineralocorticoid excess, MIM# 218030; MONDO:0009025
Review for gene: HSD11B2 was set to GREEN
Added comment: Apparent mineralocorticoid excess (AME) is an autosomal recessive form of low-renin hypertension associated with low aldosterone, metabolic alkalosis, hypernatremia, and hypokalemia. The disorder is due to a congenital defect in 11-beta-hydroxysteroid dehydrogenase type II (HSD11B2) activity, resulting in decreased conversion of biologically active cortisol to inactive cortisone; this defect allows cortisol to act as a ligand for the mineralocorticoid receptor, resulting in sodium retention and volume expansion. There is a favorable therapeutic response to spironolactone. More than 10 unrelated families reported.

Onset is usually in infancy or early childhood.

Non-genetic confirmatory testing: aldosterone, renin, potassium levels
Sources: Expert list
BabyScreen+ newborn screening v0.1935 C17orf62 Zornitza Stark gene: C17orf62 was added
gene: C17orf62 was added to Baby Screen+ newborn screening. Sources: Expert Review
new gene name, treatable, immunological tags were added to gene: C17orf62.
Mode of inheritance for gene: C17orf62 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: C17orf62 were set to 30361506; 30312704; 28351984
Phenotypes for gene: C17orf62 were set to Chronic granulomatous disease 5, autosomal recessive, MIM# 618935
Review for gene: C17orf62 was set to GREEN
Added comment: Seven Icelandic families reported with same homozygous variant, p.Tyr2Ter and an additional family from different ethnic background with different homozygous splice site variant. Functional data, including mouse model. Gene also known as EROS and CYBC1 (HGNC approved name)

Primary immunodeficiency characterized by onset of recurrent infections and severe colitis in the first decade of life. Patients often present with features of inflammatory bowel disease and may show granulomata on biopsy. Patients are particularly susceptible to catalase-positive organisms, including Burkholderia cepacia, Legionella, and Candida albicans. Some patients may develop autoinflammatory symptoms, including recurrent fever in the absence of infection, hemolytic anemia, and lymphopenia. Additional features may include short stature, viral infections, cutaneous abscesses, pulmonary infections, and lymphadenitis. Haematopoietic bone marrow transplant is curative.

Non-genetic confirmatory assay: dihydrorhodamine assay
Sources: Expert Review
BabyScreen+ newborn screening v0.1632 SLC25A19 John Christodoulou reviewed gene: SLC25A19: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 31095747; Phenotypes: recurrent encephalopathy, basal ganglia necrosis, generalized dystonia, polyneuropathy, ataxia; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
BabyScreen+ newborn screening v0.1308 SLC30A10 Seb Lunke gene: SLC30A10 was added
gene: SLC30A10 was added to gNBS. Sources: Literature
for review tags were added to gene: SLC30A10.
Mode of inheritance for gene: SLC30A10 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: SLC30A10 were set to 31089831
Phenotypes for gene: SLC30A10 were set to Hypermanganesemia with dystonia 1, MIM# 613280
Review for gene: SLC30A10 was set to GREEN
Added comment: Established gene-disease association.

Childhood onset, usually in first decade and multiple under 5 (youngest 2). Multi-system disorder

Treatment: manganese chelation therapy with EDTA-CaNa2 accepted as effective, other treatments under investigation.

Non-genetic confirmatory test: Mn level
Sources: Literature
BabyScreen+ newborn screening v0.1306 SLC39A14 Seb Lunke gene: SLC39A14 was added
gene: SLC39A14 was added to gNBS. Sources: Literature
Mode of inheritance for gene: SLC39A14 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: SLC39A14 were set to 31089831
Phenotypes for gene: SLC39A14 were set to Hypermanganesemia with dystonia 2, MIM# 617013
Review for gene: SLC39A14 was set to AMBER
Added comment: Established gene-disease association.

Childhood onset, multi-system disorder

Treatment: manganese chelation therapy with EDTA-CaNa2 with strong improvements in one patient, less effective in multiple others. Age of treatment start (earlier = better) and genotype may impact outcome.

Non-genetic confirmatory test: Mn level
Sources: Literature
BabyScreen+ newborn screening v0.1204 HEXA Zornitza Stark Phenotypes for gene: HEXA were changed from Tay-Sachs disease to GM2-gangliosidosis, several forms 272800; Tay-Sachs disease 272800
BabyScreen+ newborn screening v0.1202 HEXA Zornitza Stark reviewed gene: HEXA: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: GM2-gangliosidosis, several forms 272800, Tay-Sachs disease 272800; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
BabyScreen+ newborn screening v0.1099 SLC19A3 Seb Lunke Phenotypes for gene: SLC19A3 were changed from Basal ganglia disease, biotin-responsive, MIM#607483 to Thiamine metabolism dysfunction syndrome 2 (biotin- or thiamine-responsive encephalopathy type 2), MIM# 607483
BabyScreen+ newborn screening v0.987 GLB1 Zornitza Stark Phenotypes for gene: GLB1 were changed from Gangliosidosis GM1 to GM1-gangliosidosis, type I MIM#230500; GM1-gangliosidosis, type II MIM# 230600; GM1-gangliosidosis, type III MIM#230650; Mucopolysaccharidosis type IVB (Morquio) MIM#253010
BabyScreen+ newborn screening v0.984 GLB1 Zornitza Stark reviewed gene: GLB1: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: GM1-gangliosidosis, type I MIM#230500, GM1-gangliosidosis, type II MIM# 230600, GM1-gangliosidosis, type III MIM#230650, Mucopolysaccharidosis type IVB (Morquio) MIM#253010; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
BabyScreen+ newborn screening v0.664 ETFB Zornitza Stark changed review comment from: Well established gene-disease association.

Glutaric aciduria II (GA2) is an autosomal recessively inherited disorder of fatty acid, amino acid, and choline metabolism. It differs from GA I in that multiple acyl-CoA dehydrogenase deficiencies result in large excretion not only of glutaric acid, but also of lactic, ethylmalonic, butyric, isobutyric, 2-methyl-butyric, and isovaleric acids.

The heterogeneous clinical features of MADD fall into 3 classes: a neonatal-onset form with congenital anomalies (type I), a neonatal-onset form without congenital anomalies (type II), and a late-onset form (type III). The neonatal-onset forms are usually fatal and are characterized by severe nonketotic hypoglycemia, metabolic acidosis, multisystem involvement, and excretion of large amounts of fatty acid- and amino acid-derived metabolites. Symptoms and age at presentation of late-onset MADD are highly variable and characterized by recurrent episodes of lethargy, vomiting, hypoglycemia, metabolic acidosis, and hepatomegaly often preceded by metabolic stress. Muscle involvement in the form of pain, weakness, and lipid storage myopathy also occurs. The organic aciduria in those with the late-onset form of MADD is often intermittent and only evident during periods of illness or catabolic stress.

Treatment: riboflavin, carnitine, glycine, Coenzyme Q10 supplementation, fat restriction, avoidance of fasting, and a diet rich in carbohydrates

Non-genetic confirmatory tests: plasma acylcarnitine profile, urine organic acid analysis; to: Well established gene-disease association.

Glutaric aciduria II (GA2) is an autosomal recessively inherited disorder of fatty acid, amino acid, and choline metabolism. It differs from GA I in that multiple acyl-CoA dehydrogenase deficiencies result in large excretion not only of glutaric acid, but also of lactic, ethylmalonic, butyric, isobutyric, 2-methyl-butyric, and isovaleric acids.

The heterogeneous clinical features of MADD fall into 3 classes: a neonatal-onset form with congenital anomalies (type I), a neonatal-onset form without congenital anomalies (type II), and a late-onset form (type III). The neonatal-onset forms are usually fatal and are characterized by severe nonketotic hypoglycemia, metabolic acidosis, multisystem involvement, and excretion of large amounts of fatty acid- and amino acid-derived metabolites. Symptoms and age at presentation of late-onset MADD are highly variable and characterized by recurrent episodes of lethargy, vomiting, hypoglycemia, metabolic acidosis, and hepatomegaly often preceded by metabolic stress. Muscle involvement in the form of pain, weakness, and lipid storage myopathy also occurs. The organic aciduria in those with the late-onset form of MADD is often intermittent and only evident during periods of illness or catabolic stress.

Treatment: riboflavin, carnitine, glycine, Coenzyme Q10 supplementation, fat restriction, avoidance of fasting, and a diet rich in carbohydrates

Non-genetic confirmatory tests: plasma acylcarnitine profile, urine organic acid analysis

Predominantly neonatal onset.
BabyScreen+ newborn screening v0.661 FLAD1 Zornitza Stark changed review comment from: Well established gene-disease association, more than 10 families reported.

The phenotype is extremely heterogeneous: some patients have a severe disorder with onset in infancy and cardiac and respiratory insufficiency resulting in early death, whereas others have a milder course with onset of muscle weakness in adulthood. Some patients show significant improvement with riboflavin treatment.

For discussion. Included as a treatable disorder in rx-genes.

Confirmatory non-genetic testing: Plasma acylcarnitine profile, Urine organic acid analysis,; to: Well established gene-disease association, more than 10 families reported.

The phenotype is extremely heterogeneous: some patients have a severe disorder with onset in infancy and cardiac and respiratory insufficiency resulting in early death, whereas others have a milder course with onset of muscle weakness in adulthood. Some patients show significant improvement with riboflavin treatment.

Included as a treatable disorder in rx-genes.

Confirmatory non-genetic testing: Plasma acylcarnitine profile, Urine organic acid analysis,
BabyScreen+ newborn screening v0.555 SDHD Zornitza Stark Phenotypes for gene: SDHD were changed from Mitochondrial complex II deficiency, nuclear type 3, MIM# 619167 to Mitochondrial complex II deficiency, nuclear type 3, MIM# 619167; Paragangliomas 1, with or without deafness, MIM# 168000
BabyScreen+ newborn screening v0.553 SDHD Zornitza Stark reviewed gene: SDHD: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: Paragangliomas 1, with or without deafness, MIM# 168000; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
BabyScreen+ newborn screening v0.552 GAN Zornitza Stark Marked gene: GAN as ready
BabyScreen+ newborn screening v0.552 GAN Zornitza Stark Gene: gan has been classified as Red List (Low Evidence).
BabyScreen+ newborn screening v0.552 GAN Zornitza Stark Phenotypes for gene: GAN were changed from Giant axonal neuropathy to Giant axonal neuropathy-1, MIM#256850
BabyScreen+ newborn screening v0.551 GAN Zornitza Stark Classified gene: GAN as Red List (low evidence)
BabyScreen+ newborn screening v0.551 GAN Zornitza Stark Gene: gan has been classified as Red List (Low Evidence).
BabyScreen+ newborn screening v0.550 GAN Zornitza Stark reviewed gene: GAN: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: Giant axonal neuropathy-1, MIM#256850; Mode of inheritance: None
BabyScreen+ newborn screening v0.548 SDHD Seb Lunke Phenotypes for gene: SDHD were changed from Hereditary Paraganglioma-Pheochromocytoma Syndromes to Mitochondrial complex II deficiency, nuclear type 3, MIM# 619167
BabyScreen+ newborn screening v0.541 GAN Alison Yeung reviewed gene: GAN: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Giant axonal neuropathy-1, MIM#256850; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
BabyScreen+ newborn screening v0.286 BCKDK Zornitza Stark commented on gene: BCKDK: Confirmatory non-genetic testing: serum amino acids, urine organic acids
BabyScreen+ newborn screening v0.274 ETFA Zornitza Stark changed review comment from: Well established gene-disease association.

Glutaric aciduria II (GA2) is an autosomal recessively inherited disorder of fatty acid, amino acid, and choline metabolism. It differs from GA I in that multiple acyl-CoA dehydrogenase deficiencies result in large excretion not only of glutaric acid, but also of lactic, ethylmalonic, butyric, isobutyric, 2-methyl-butyric, and isovaleric acids.

The heterogeneous clinical features of MADD fall into 3 classes: a neonatal-onset form with congenital anomalies (type I), a neonatal-onset form without congenital anomalies (type II), and a late-onset form (type III). The neonatal-onset forms are usually fatal and are characterized by severe nonketotic hypoglycemia, metabolic acidosis, multisystem involvement, and excretion of large amounts of fatty acid- and amino acid-derived metabolites. Symptoms and age at presentation of late-onset MADD are highly variable and characterized by recurrent episodes of lethargy, vomiting, hypoglycemia, metabolic acidosis, and hepatomegaly often preceded by metabolic stress. Muscle involvement in the form of pain, weakness, and lipid storage myopathy also occurs. The organic aciduria in those with the late-onset form of MADD is often intermittent and only evident during periods of illness or catabolic stress.

Treatment: riboflavin, carnitine, glycine, Coenzyme Q10 supplementation, fat restriction, avoidance of fasting, and a diet rich in carbohydrates, D,L-3-hydroxybutyrate

Non-genetic confirmatory tests: plasma acylcarnitine profile, urine organic acid analysis; to: Well established gene-disease association.

Glutaric aciduria II (GA2) is an autosomal recessively inherited disorder of fatty acid, amino acid, and choline metabolism. It differs from GA I in that multiple acyl-CoA dehydrogenase deficiencies result in large excretion not only of glutaric acid, but also of lactic, ethylmalonic, butyric, isobutyric, 2-methyl-butyric, and isovaleric acids.

The heterogeneous clinical features of MADD fall into 3 classes: a neonatal-onset form with congenital anomalies (type I), a neonatal-onset form without congenital anomalies (type II), and a late-onset form (type III). The neonatal-onset forms are usually fatal and are characterized by severe nonketotic hypoglycemia, metabolic acidosis, multisystem involvement, and excretion of large amounts of fatty acid- and amino acid-derived metabolites. Symptoms and age at presentation of late-onset MADD are highly variable and characterized by recurrent episodes of lethargy, vomiting, hypoglycemia, metabolic acidosis, and hepatomegaly often preceded by metabolic stress. Muscle involvement in the form of pain, weakness, and lipid storage myopathy also occurs. The organic aciduria in those with the late-onset form of MADD is often intermittent and only evident during periods of illness or catabolic stress.

Treatment: riboflavin, carnitine, glycine, Coenzyme Q10 supplementation, fat restriction, avoidance of fasting, and a diet rich in carbohydrates, D,L-3-hydroxybutyrate (PMID 31904027)

Non-genetic confirmatory tests: plasma acylcarnitine profile, urine organic acid analysis
BabyScreen+ newborn screening v0.0 SDHC Zornitza Stark gene: SDHC was added
gene: SDHC was added to gNBS. Sources: Expert Review Amber,BabySeq Category B gene
Mode of inheritance for gene: SDHC was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: SDHC were set to Hereditary Paraganglioma-Pheochromocytoma Syndromes
BabyScreen+ newborn screening v0.0 SDHB Zornitza Stark gene: SDHB was added
gene: SDHB was added to gNBS. Sources: Expert Review Amber,BabySeq Category B gene
Mode of inheritance for gene: SDHB was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: SDHB were set to Hereditary Paraganglioma-Pheochromocytoma Syndromes
BabyScreen+ newborn screening v0.0 SDHAF2 Zornitza Stark gene: SDHAF2 was added
gene: SDHAF2 was added to gNBS. Sources: Expert Review Amber,BabySeq Category B gene
Mode of inheritance for gene: SDHAF2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: SDHAF2 were set to Hereditary Paraganglioma-Pheochromocytoma Syndromes
BabyScreen+ newborn screening v0.0 SLC19A3 Zornitza Stark gene: SLC19A3 was added
gene: SLC19A3 was added to gNBS. Sources: BeginNGS,BabySeq Category A gene,Expert Review Green
Mode of inheritance for gene: SLC19A3 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: SLC19A3 were set to Basal ganglia disease, biotin-responsive, MIM#607483
BabyScreen+ newborn screening v0.0 SDHD Zornitza Stark gene: SDHD was added
gene: SDHD was added to gNBS. Sources: BabySeq Category A gene,Expert Review Green
Mode of inheritance for gene: SDHD was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: SDHD were set to Hereditary Paraganglioma-Pheochromocytoma Syndromes
BabyScreen+ newborn screening v0.0 GLB1 Zornitza Stark gene: GLB1 was added
gene: GLB1 was added to gNBS. Sources: BabySeq Category A gene,Expert Review Green
Mode of inheritance for gene: GLB1 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: GLB1 were set to Gangliosidosis GM1
BabyScreen+ newborn screening v0.0 GAN Zornitza Stark gene: GAN was added
gene: GAN was added to gNBS. Sources: BabySeq Category A gene,Expert Review Green
Mode of inheritance for gene: GAN was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: GAN were set to Giant axonal neuropathy