Review Article

From Genetics to Genomics of Epilepsy

Table 5

Epilepsy with other neurological problems.

Gene symbol Name Disease

(a) Leukodystrophies (20 genes)

ARSAArylsulfatase ALeukodystrophy metachromatic (MLD)
ASPAAspartoacylaseCanavan disease
EIF2B1Eukaryotic translation initiation factor 2B, subunit 1 alpha, 26 kDaLeukodystrophy
EIF2B2Eukaryotic translation initiation factor 2B, subunit 2 beta, 39 kDaLeukodystrophy
EIF2B3Eukaryotic translation initiation factor 2B, subunit 3 gamma, 58 kDaLeukodystrophy
EIF2B4Eukaryotic translation initiation factor 2B, subunit 4 delta, 67 kDaLeukodystrophy
EIF2B5Eukaryotic translation initiation factor 2B, subunit 5 epsilon, 82 kDaLeukodystrophy
GALCGalactosylceramidaseLeukodystrophy globoid cell (GLD)
GFAPGlial fibrillary acidic proteinAlexander disease
MLC1Megalencephalic leukoencephalopathy with subcortical cysts 1Megalencephalic leukoencephalopathy
NOTCH3Notch3CADASIL
PLP1Proteolipid protein 1Leukodystrophy hypomyelinating type 1 (HLD1)
PSAPProsaposinLeukodystrophy metachromatic
RNASEH2ARibonuclease H2, subunit AAicardi-Goutieres syndrome type 4 (AGS4)
RNASEH2BRibonuclease H2, subunit BAicardi-Goutieres syndrome type 2 (AGS2)
RNASEH2CRibonuclease H2, subunit CAicardi-Goutieres syndrome type 3 (AGS3
SAMHD1SAM domain and HD domain 1Aicardi-Goutieres syndrome type 5 (AGS5)
SDHASuccinate dehydrogenase complex, subunit A, flavoprotein (Fp)Leigh syndrome
SUMF1Sulfatase modifying factor 1Multiple sulfatase deficiency (MSD)
TREX1Three prime repair exonuclease 1Aicardi-Goutieres syndrome type 1 (AGS1)

(b) Migraine (6 genes)

ATP1A2ATPase, Na+/K+ transporting, alpha 2 polypeptideMigraine familial hemiplegic type 2 (FHM2)
CACNA1ACalcium channel, voltage-dependent, P/Q type, alpha 1A subunitSpinocerebellar ataxia type 6 (SCA6)
NOTCH3Notch 3CADASIL
POLGPolymerase (DNA directed), gammaProgressive external ophthalmoplegia
SCN1ASodium channel, voltage-gated, type I, alpha subunitMigraine familial hemiplegic type 3 (FHM3)
SLC2A1Solute carrier family 2 (facilitated glucose transporter), member 1GLUT1 deficiency type 1
(GLUT1DS1) syndrome

(c) Disorders of Ras-MAPK pathway with epilepsy (13 genes)

BRAFV-raf murine sarcoma viral oncogene homolog B1Cardiofaciocutaneous (CFC ) syndrome
CBLCas-Br-M (murine) ecotropic retroviral transforming sequenceNoonan syndrome-like disorder (NSL)
HRASV-Ha-ras Harvey rat sarcoma viral oncogene homologFaciocutaneoskeletal (FCSS) syndrome
KRASV-Ki-ras2 Kirsten rat sarcoma viral oncogene homologNoonan type 3 (NS3) syndrome
MAP2K1Mitogen-activated protein kinase kinase 1cardiofaciocutaneous (CFC) syndrome
MAP2K2Mitogen-activated protein kinase kinase 2cardiofaciocutaneous (CFC) syndrome
NF1Neurofibromin 1Neurofibromatosis type 1
NRASNeuroblastoma RAS viral (v-ras) oncogene homologNoonan type 6 (NS6) syndrome
PTPN11Protein tyrosine phosphatase, non-receptor type 11LEOPARD type 1 (LEOPARD1) syndrome
RAF1V-raf-1 murine leukemia viral oncogene homolog 1Noonan type 5 (NS5) syndrome
SHOC2Soc-2 suppressor of clear homolog (C. elegans)Noonan syndrome-like with loose anagen hair
SOS1Son of sevenless homolog 1 (Drosophila)Noonan type 4 (NS4) syndrome
SPRED1Sprouty-related, EVH1 domain containing 1Neurofibromatosis type 1-like syndrome

(d) Hyperekplexia (5 genes)

ARHGEF9Cdc42 guanine nucleotide exchange factor (GEF) 9Hyperekplexia with epilepsy
GLRA1Glycine receptor, alpha 1Hyperekplexia with epilepsy
GLRBGlycine receptor, betaHyperekplexia with epilepsy
GPHNGephyrinHyperekplexia with epilepsy
SLC6A5solute carrier family 6 (neurotransmitter, transporter, glycine), member 5Hyperekplexia with epilepsy

(e) Neuronal migration disorders (31 genes)

ARFGEF2ADP-ribosylation factor guanine nucleotide-exchange factor 2 (brefeldin A-inhibited)Microcephaly
ARXAristaless-related homeoboxEarly infantile epileptic encephalopathy
COL18A1Collagen, type XVIII, alpha 1Polymicrogyria
COL4A1Collagen, type IV, alpha 1Porencephaly
CPT2Carnitine palmitoyltransferase 2Polymicrogyria
DCXDoublecortinLissencephaly
EMX2Empty spiracles homeobox 2Schizencephaly
EOMESEomesoderminPolymicrogyria
FGFR3Fibroblast growth factor receptor 3Polymicrogyria
FKRPFukutin related proteinWalker-Warburg syndrome
FKTNFukutinWalker-Warburg syndrome
FLNAFilamin A, alphaPeriventricular heterotopia
GPR56G protein-coupled receptor 56Polymicrogyria
LAMA2Laminin, alpha2Merosin deficiency
LARGELike-glycosyltransferaseWalker-Warburg syndrome
PAFAH1B1Platelet-activating factor acetylhydrolase 1b, regulatory subunit 1 (45 kDa)Lissencephaly
PAX6Paired box 6Polymicrogyria
PEX7Peroxisomal biogenesis factor 7Polymicrogyria
POMGNT1Protein O-linked mannose beta1,2-N-acetylglucosaminyltransferaseWalker-Warburg syndrome
POMT1Protein O-mannosyltransferase 1Walker-Warburg syndrome
POMT2Protein O-mannosyltransferase 2Walker-Warburg syndrome
PQBP1Polyglutamine binding protein 1X-linked mental retardation
RAB3GAPRAB3 GTPase activating protein subunit 1 (catalytic)Warburg microsyndrome
RELNReelinLissencephaly
SNAP29Synaptosomal-associated protein, 29 kDaCerebral dysgenesis
SRPX2Sushi-repeat containing protein, X-linked 2Rolandic epilepsy
TUBA1ATubulin, alpha 1aLissencephaly
TUBA8Tubulin, alpha 8Polymicrogyria
TUBB2BVoltage-dependent anion channel 1Polymicrogyria
VDAC1Voltage-dependent anion channel 1Polymicrogyria
WDR62WD repeat domain 62Microcephaly, cortical malfor, mental retardatation