| Gene |
Condition |
| AARS1 |
Epileptic encephalopathy, early infantile, 29;
Charcot-Marie-Tooth disease, axonal, type 2N |
| ABAT |
GABA-transaminase deficiency |
| ACTL6B |
Epileptic encephalopathy, early infantile, 76;
Intellectual developmental disorder with severe speech and ambulation defects |
| ADAM22 |
Epileptic encephalopathy, early infantile, 61 |
| ADAR |
Aicardi-Goutieres syndrome 6 |
| ADSL |
Adenylosuccinase deficiency |
| ACY1 |
Aminoacylase 1 deficiency |
| ALDH5A1 |
Succinic semialdehyde dehydrogenase deficiency |
| ALDH7A1 |
Epilepsy, pyridoxine-dependent |
| ALG3 |
Congenital disorder of glycosylation, type Id |
| ALG13 |
Epileptic encephalopathy, early infantile, 36 |
| AMT |
Glycine encephalopathy |
| AP3B2 |
Epileptic encephalopathy, early infantile, 48 |
| ARHGEF9 |
Epileptic encephalopathy, early infantile, 8 |
| ARHGEF15 |
Early infantile epileptic encephalopathy |
| ARX |
Epileptic encephalopathy, early infantile, 1;
Lissencephaly, X-linked 2;
Mental retardation, X-linked 29 and others; Partington syndrome;
Proud syndrome |
| ASAH1 |
Farber lipogranulomatosis;
Spinal muscular atrophy with progressive myoclonic epilepsy |
| ATP1A2 |
Migraine, familial basilar;
Alternating hemiplegia of childhood 1 |
| ATP1A3 |
CAPOS syndrome; Dystonia-12;
Alternating hemiplegia of childhood 2 |
| ATP6AP2 |
Mental retardation, X-linked, syndromic, Hedera type;
Parkinsonism with spasticity, X-linked |
| ATP6V1A |
Epileptic encephalopathy, infantile or early childhood, 3 |
| ATRX |
Mental retardation-hypotonic facies syndrome, X-linked;
Alpha-thalassemia/mental retardation syndrome |
| BRAT1 |
Rigidity and multifocal seizure syndrome, lethal neonatal |
| CACNA1A |
Epileptic encephalopathy, early infantile, 42;
Episodic ataxia, type 2;
Migraine, familial hemiplegic, 1; Spinocerebellar ataxia 6 |
| CACNA1D |
Primary aldosteronism, seizures, and neurologic abnormalities;
Sinoatrial node dysfunction and deafness |
| CACNA2D2 |
Early infantile epileptic encephalopathy |
| CACNA1E |
Epileptic encephalopathy, early infantile, 69 |
| CACNA1H |
Epilepsy, childhood absence, susceptibility to, 6;
Hyperaldosteronism, familial, type IV |
| CACNB4 |
Episodic ataxia, type 5;
Epilepsy, idiopathic generalized, susceptibility to, 9 |
| CASK |
FG syndrome 4;
Mental retardation, with or without nystagmus |
| CDC42 |
Takenouchi-Kosaki syndrome |
| CDKL5 |
Epileptic encephalopathy, early infantile, 2 |
| CERS1 |
Epilepsy, progressive myoclonic, 8 |
| CHD2 |
Epileptic encephalopathy, childhood-onset |
| CHRNA2 |
Epilepsy, nocturnal frontal lobe, type 4 |
| CHRNA7 |
Epilepsy, idiopathic generalized 7 |
| CHRNA4 |
Epilepsy, nocturnal frontal lobe, 1 |
| CHRNB2 |
Epilepsy, nocturnal frontal lobe, 3 |
| CLCN2 |
Leukoencephalopathy with ataxia;
Epilepsy, idiopathic generalized, susceptibility to, 11 |
| CLN3 |
Ceroid lipofuscinosis, neuronal, 3 |
| CLN8 |
Ceroid lipofuscinosis, neuronal, 8;
Ceroid lipofuscinosis, neuronal, 8, Northern epilepsy variant |
| CNPY3 |
Epileptic encephalopathy, early infantile, 60 |
| CNTN2 |
Epilepsy, myoclonic, familial adult, 5 |
| CNTNAP2 |
Cortical dysplasia-focal epilepsy syndrome |
| C12orf57 |
Temtamy syndrome |
| CPA6 |
Epilepsy, familial temporal lobe, 5; Febrile seizures, familial, 11 |
| CRH |
Autosomal dominant nocturnal frontal lobe epilepsy |
| CSTB |
Epilepsy, progressive myoclonic 1A |
| CTSF |
Ceroid lipofuscinosis, neuronal, 13, Kufs type |
| CYFIP2 |
Epileptic encephalopathy, early infantile, 65 |
| DENND5A |
Epileptic encephalopathy, early infantile, 49 |
| DEPDC5 |
Epilepsy, familial focal, with variable foci 1 |
| DHFR |
Megaloblastic anemia due to dihydrofolate reductase deficiency |
| D2HGDH |
D-2-hydroxyglutaric aciduria |
| DNAJC5 |
Ceroid lipofuscinosis, neuronal, 4, Parry type |
| DNM1 |
Epileptic encephalopathy, early infantile, 31 |
| DNM1L |
Encephalopathy, lethal,
due to defective mitochondrial peroxisomal fission 1 |
| DOCK7 |
Epileptic encephalopathy, early infantile, 23 |
| DYRK1A |
Mental retardation, autosomal dominant 7 |
| EEF1A2 |
Epileptic encephalopathy, early infantile, 33;
Mental retardation, autosomal dominant 38 |
| EFHC1 |
Epilepsy, juvenile absence, susceptibility to, 1;
Myoclonic epilepsy, juvenile, susceptibility to, 1 |
| EPM2A |
Epilepsy, progressive myoclonic 2A |
| ETHE1 |
Ethylmalonic encephalopathy |
| FGF12 |
Epileptic encephalopathy, early infantile, 47 |
| FLNA |
FG syndrome 2; Cardiac valvular dysplasia, X-linked;
Congenital short bowel syndrome; Frontometaphyseal dysplasia 1;
Heterotopia, periventricular; Melnick-Needles syndrome;
Otopalatodigital syndrome, type I; Otopalatodigital syndrome, type II;
Terminal osseous dysplasia |
| FOLR1 |
Neurodegeneration due to cerebral folate transport deficiency |
| FOXG1 |
Rett syndrome, congenital variant |
| FRRS1L |
Epileptic encephalopathy, early infantile, 37 |
| GABBR2 |
Epileptic encephalopathy, early infantile, 59;
Neurodevelopmental disorder with poor language and loss of hand skills |
| GABRA1 |
Epileptic encephalopathy, early infantile, 19;
Epilepsy, childhood absence, susceptibility to, 4 |
| GABRB1 |
Epileptic encephalopathy, early infantile, 45 |
| GABRB2 |
Epileptic encephalopathy, infantile or early childhood, 2 |
| GABRB3 |
Epileptic encephalopathy, early infantile, 43;
Epilepsy, childhood absence, susceptibility to, 5 |
| GABRD |
Epilepsy, idiopathic generalized, 10 |
| GABRG2 |
Epilepsy, generalized, with febrile seizures plus, type 3;
Epilepsy, childhood absence, susceptibility to, 2 |
| GAMT |
Cerebral creatine deficiency syndrome 2 |
| GATM |
Cerebral creatine deficiency syndrome 3 |
| GLDC |
Glycine encephalopathy |
| GNAO1 |
Epileptic encephalopathy, early infantile, 17;
Neurodevelopmental disorder with involuntary movements |
| GOSR2 |
Epilepsy, progressive myoclonic 6; |
| GPHN |
Molybdenum cofactor deficiency C |
| GRIN1 |
Neurodevelopmental disorder with or without hyperkinetic
movements and seizures, autosomal dominant;
Neurodevelopmental disorder with or without hyperkinetic
movements and seizures, autosomal recessive |
| GRIN2A |
Epilepsy, focal, with speech disorder and with or
without mental retardation |
| GRIN2B |
Epileptic encephalopathy, early infantile, 27;
Mental retardation, autosomal dominant 6 |
| GRIN2D |
Epileptic encephalopathy, early infantile, 46 |
| HCN1 |
Epileptic encephalopathy, early infantile, 24 |
| HNRNPU |
Epileptic encephalopathy, early infantile, 54 |
| HUWE1 |
Mental retardation, X-linked syndromic, Turner type |
| IER3IP1 |
Microcephaly, epilepsy, and diabetes syndrome |
| ITPA |
Epileptic encephalopathy, early infantile, 35 |
| IQSEC2 |
Mental retardation, X-linked 1/78 |
| KANSL1 |
Koolen-De Vries syndrome |
| KCNA1 |
Episodic ataxia/myokymia syndrome |
| KCNA2 |
Epileptic encephalopathy, early infantile, 32 |
| KCNB1 |
Epileptic encephalopathy, early infantile, 26 |
| KCNC1 |
Epilepsy, progressive myoclonic 7 |
| KCNH1 |
Temple-Baraitser syndrome; Zimmermann-Laband syndrome 1 |
| KCNJ10 |
Enlarged vestibular aqueduct, digenic; SESAME syndrome |
| KCNMA1 |
Paroxysmal nonkinesigenic dyskinesia, 3,
with or without generalized epilepsy;
Cerebellar atrophy, developmental delay, and seizures |
| KCNQ2 |
Epileptic encephalopathy, early infantile, 7;
Seizures, benign neonatal, 1 |
| KCNQ3 |
Seizures, benign neonatal, 2 |
| KCNT1 |
Epilepsy, nocturnal frontal lobe, 5;
Epileptic encephalopathy, early infantile, 14 |
| KCNT2 |
Epileptic encephalopathy, early infantile, 57 |
| KCTD7 |
Epilepsy, progressive myoclonic 3, with or
without intracellular inclusions |
| KIF1A |
Mental retardation, autosomal dominant 9;
Neuropathy, hereditary sensory, type IIC;
Spastic paraplegia 30, autosomal recessive |
| KIF5C |
Cortical dysplasia, complex,
with other brain malformations 2 |
| LGI1 |
Epilepsy, familial temporal lobe, 1 |
| LIAS |
Hyperglycinemia, lactic acidosis, and seizures |
| MBD5 |
Mental retardation, autosomal dominant 1 |
| MCCC1 |
3-Methylcrotonyl-CoA carboxylase 1 deficiency |
| MDH2 |
Epileptic encephalopathy, early infantile, 51 |
| MECP2 |
Encephalopathy, neonatal severe;
Mental retardation, X-linked syndromic, Lubs type;
Mental retardation, X-linked, syndromic 13; Rett syndrome |
| MEF2C |
Mental retardation, stereotypic movements, epilepsy,
and/or cerebral malformations |
| MFSD8 |
Ceroid lipofuscinosis, neuronal, 7;
Macular dystrophy with central cone involvement |
| MOCS1 |
Molybdenum cofactor deficiency A |
| MOCS2 |
Molybdenum cofactor deficiency B |
| MTHFR |
Homocystinuria due to MTHFR deficiency;
Neural tube defects, susceptibility to; Schizophrenia, susceptibility to;
Thromboembolism, susceptibility to |
| MTOR |
Smith-Kingsmore syndrome |
| NACC1 |
Neurodevelopmental disorder with epilepsy, cataracts,
feeding difficulties, and delayed brain myelination |
| NECAP1 |
Epileptic encephalopathy, early infantile, 21 |
| NEUROD2 |
Epileptic encephalopathy, early infantile, 72 |
| NEXMIF |
Mental retardation, X-linked 98 |
| NGLY1 |
Congenital disorder of deglycosylation |
| NHLRC1 |
Epilepsy, progressive myoclonic 2B |
| NOL3 |
Myoclonus, familial cortical |
| NPRL2 |
Epilepsy, familial focal, with variable foci 2 |
| NR2F1 |
Bosch-Boonstra-Schaaf optic atrophy syndrome |
| NRXN1 |
Pitt-Hopkins-like syndrome 2 |
| PCDH19 |
Epileptic encephalopathy, early infantile, 9 |
| PHACTR1 |
Epileptic encephalopathy, early infantile, 70 |
| PIGB |
Epileptic encephalopathy, early infantile, 80 |
| PIK3R2 |
Megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 |
| PIGA |
Multiple congenital anomalies-hypotonia-seizures syndrome 2 |
| PIGN |
Multiple congenital anomalies-hypotonia-seizures syndrome 1 |
| PIGO |
Hyperphosphatasia with mental retardation syndrome 2 |
| PIGP |
Epileptic encephalopathy, early infantile, 55 |
| PIGQ |
Epileptic encephalopathy, early infantile, 77 |
| PIGT |
Multiple congenital anomalies-hypotonia-seizures syndrome 3 |
| PLCB1 |
Epileptic encephalopathy, early infantile, 12 |
| PLPBP |
Epilepsy, early-onset, vitamin B6-dependent |
| PNKP |
Microcephaly, seizures, and developmental delay;
Ataxia-oculomotor apraxia 4 |
| PNPO |
Pyridoxamine 5′-phosphate oxidase deficiency |
| POLG |
Mitochondrial DNA depletion syndrome 4A;
Mitochondrial DNA depletion syndrome 4B;
Mitochondrial recessive ataxia syndrome;
Progressive external ophthalmoplegia, autosomal dominant 1;
Progressive external ophthalmoplegia, autosomal recessive 1 |
| PPP3CA |
Epileptic encephalopathy, infantile or early childhood, 1;
Arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development |
| PPT1 |
Ceroid lipofuscinosis, neuronal, 1 |
| PRDM8 |
Epilepsy, progressive myoclonic, 10 |
| PRICKLE1 |
Epilepsy, progressive myoclonic 1B |
| PRICKLE2 |
Epilepsy, progressive myoclonic 5 |
| PRRT2 |
Seizures, benign familial infantile, 2;
Episodic kinesigenic dyskinesia 1;
Convulsions, familial infantile, with paroxysmal choreoathetosis |
| PURA |
Mental retardation, autosomal dominant 31 |
| QARS |
Microcephaly, progressive, seizures, and cerebral and cerebellar atrophy |
| RBFOX1 |
Rolandic epilepsy |
| RBFOX3 |
Rolandic epilepsy |
| RELN |
Lissencephaly 2; Epilepsy, familial temporal lobe, 7 |
| RNASEH2B |
Aicardi-Goutieres syndrome 2 |
| ROGDI |
Kohlschutter-Tonz syndrome |
| SATB2 |
Glass syndrome |
| SCARB2 |
Epilepsy, progressive myoclonic 4, with or without renal failure |
| SCN1A |
Epilepsy, generalized, with febrile seizures plus, type 2;
Epileptic encephalopathy, early infantile, 6;
Migraine, familial hemiplegic, 3 |
| SCN3A |
Epilepsy, familial focal, with variable foci 4;
Epileptic encephalopathy, early infantile, 62 |
| SCN1B |
Epilepsy, generalized, with febrile seizures plus, type 1;
Epileptic encephalopathy, early infantile, 52 |
| SCN2A |
Epileptic encephalopathy, early infantile, 11;
Seizures, benign familial infantile, 3 |
| SCN8A |
Epileptic encephalopathy, early infantile, 13;
Seizures, benign familial infantile, 5;
Cognitive impairment with or without cerebellar ataxia |
| SCN9A |
Epilepsy, generalized, with febrile seizures plus, type 7;
Erythermalgia, primary; HSAN2D, autosomal recessive;
Paroxysmal extreme pain disorder |
| SERAC1 |
3-methylglutaconic aciduria with deafness,
encephalopathy, and Leigh-like syndrome |
| SERPINI1 |
Encephalopathy, familial, with neuroserpin inclusion bodies |
| SIK1 |
Epileptic encephalopathy, early infantile, 30 |
| SLC1A2 |
Epileptic encephalopathy, early infantile, 41 |
| SLC12A5 |
Epileptic encephalopathy, early infantile, 34;
Epilepsy, idiopathic generalized, susceptibility to, 14 |
| SLC13A5 |
Epileptic encephalopathy, early infantile, 25 |
| SLC25A22 |
Epileptic encephalopathy, early infantile, 3 |
| SLC2A1 |
GLUT1 deficiency syndrome 1, infantile onset, severe;
GLUT1 deficiency syndrome 2, childhood onset;
Stomatin-deficient cryohydrocytosis with neurologic defects;
Dystonia 9; Epilepsy, idiopathic generalized, susceptibility to, 12 |
| SLC6A1 |
Myoclonic-atonic epilepsy |
| SLC6A8 |
Cerebral creatine deficiency syndrome 1 |
| SLC9A6 |
Mental retardation, X-linked syndromic, Christianson type |
| SLC19A3 |
Thiamine metabolism dysfunction syndrome 2
(biotin- or thiamine-responsive encephalopathy type 2) |
| SLC35A2 |
Congenital disorder of glycosylation, type IIm |
| SLC35A3 |
Arthrogryposis, mental retardation, and seizures |
| SMARCA2 |
Nicolaides-Baraitser syndrome |
| SMC1A |
Congenital muscular hypertrophy-cerebral syndrome |
| SNAP25 |
Myasthenic syndrome, congenital, 18 |
| SNIP1 |
Psychomotor retardation, epilepsy, and craniofacial dysmorphism |
| SNX27 |
Severe myoclonic epilepsy in infancy |
| SPATA5 |
Epilepsy, hearing loss, and mental retardation syndrome |
| SPTAN1 |
Epileptic encephalopathy, early infantile, 5 |
| SRPX2 |
Rolandic epilepsy, mental retardation, and speech dyspraxia |
| ST3GAL3 |
Epileptic encephalopathy, early infantile, 15;
Mental retardation, autosomal recessive 12 |
| ST3GAL5 |
Salt and pepper developmental regression syndrome |
| STX1B |
Generalized epilepsy with febrile seizures plus, type 9 |
| STXBP1 |
Epileptic encephalopathy, early infantile, 4 |
| SYN1 |
Epilepsy, X-linked, with variable learning disabilities and behavior disorders |
| SYNGAP1 |
Mental retardation, autosomal dominant 5 |
| SYNJ1 |
Epileptic encephalopathy, early infantile, 53;
Parkinson disease 20, early-onset |
| SYP |
Mental retardation, X-linked 96 |
| SZT2 |
Epileptic encephalopathy, early infantile, 18 |
| TBCD |
Encephalopathy, progressive, early-onset,
with brain atrophy and thin corpus callosum |
| TBC1D24 |
Epileptic encephalopathy, early infantile, 16;
Myoclonic epilepsy, infantile, familial; DOORS syndrome |
| TBCE |
Encephalopathy, progressive, with amyotrophy and optic atrophy |
| TBCK |
Hypotonia, infantile,
with psychomotor retardation and characteristic facies 3 |
| TCF4 |
Pitt-Hopkins syndrome |
| TSC1 |
Tuberous sclerosis-1 |
| TSC2 |
Tuberous sclerosis-2 |
| TPP1 |
Ceroid lipofuscinosis, neuronal, 2; Spinocerebellar ataxia, autosomal recessive 7 |
| TRAK1 |
Epileptic encephalopathy, early infantile, 68 |
| TTC19 |
Mitochondrial complex III deficiency, nuclear type 2 |
| TUBB3 |
Cortical dysplasia, complex, with other brain malformations 1;
Fibrosis of extraocular muscles, congenital, 3A |
| UBA5 |
Epileptic encephalopathy, early infantile, 44;
Spinocerebellar ataxia, autosomal recessive 24 |
| UBE3A |
Angelman syndrome |
| WASF1 |
Neurodevelopmental disorder with absent language
and variable seizures |
| WDR45 |
Neurodegeneration with brain iron accumulation 5 |
| WWOX |
Epileptic encephalopathy, early infantile, 28;
Spinocerebellar ataxia, autosomal recessive 12 |
| ZDHHC9 |
Mental retardation, X-linked syndromic, Raymond type |
| ZEB2 |
Mowat-Wilson syndrome |