Human Phenotype Ontology 
Grandparent Node:
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Abnormal cerebral cortex morphology (HP:0002538)help
Grandparent Node:
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Abnormality of neuronal migration (HP:0002269)help
Parent Node:
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Abnormal cortical gyration (HP:0002536)help
..Starting node
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Simplified gyral pattern (HP:0009879)help
Term ID: 9879
Name: Simplified gyral pattern
Synonym: Cortical gyral simplification
Definition: An abnormality of the cerebral cortex with fewer gyri but with normal cortical thickness. This pattern is usually often associated with congenital microcephaly.
Comments:
Reference: HP:0009879
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandLissencephaly (HP:0001339) help
..expandMacrogyria (HP:0007227) help
..expandPolymicrogyria (HP:0002126) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0009879HP:0009879Simplified gyral pattern0AHDC1 CL E G H2724525230OMIM:615829Xia-Gibbs syndrome.36
HP:0009879HP:0009879Simplified gyral pattern0ANKLE2 CL E G H2314129101OMIM:616681Microcephaly 16, primary, autosomal recessive.3
HP:0009879HP:0009879Simplified gyral pattern0ARID1A CL E G H828911110ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional88
HP:0009879HP:0009879Simplified gyral pattern0ARID1B CL E G H5749218040ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional219
HP:0009879HP:0009879Simplified gyral pattern0ARID2 CL E G H19652818037ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional25
HP:0009879HP:0009879Simplified gyral pattern0ASNS CL E G H440753OMIM:615574Asparagine synthetase deficiency.17
HP:0009879HP:0009879Simplified gyral pattern0ASPM CL E G H25926619048OMIM:608716Microcephaly 5, primary, autosomal recessive.512
HP:0009879HP:0009879Simplified gyral pattern0C2CD3 CL E G H2600524564OMIM:615948Orofaciodigital syndrome XIV.27
HP:0009879HP:0009879Simplified gyral pattern0CASK CL E G H85731497OMIM:300749Mental retardation and microcephaly with pontine and cerebellar hypoplasia118
HP:0009879HP:0009879Simplified gyral pattern0CDC40 CL E G H5136217350OMIM:619302PONTOCEREBELLAR HYPOPLASIA, TYPE 15; PCH15
HP:0009879HP:0009879Simplified gyral pattern0CDK5RAP2 CL E G H5575518672OMIM:604804Microcephaly 3, primary, autosomal recessiveHP:0040283 - Occasional181
HP:0009879HP:0009879Simplified gyral pattern0CDK6 CL E G H10211777OMIM:616080Microcephaly 12, primary, autosomal recessive.6
HP:0009879HP:0009879Simplified gyral pattern0CENPE CL E G H10621856OMIM:616051Microcephaly 13, primary, autosomal recessive.20
HP:0009879HP:0009879Simplified gyral pattern0CEP152 CL E G H2299529298OMIM:614852Microcephaly 9, primary, autosomal recessive.146
HP:0009879HP:0009879Simplified gyral pattern0CIT CL E G H111131985OMIM:617090Microcephaly 17, primary, autosomal recessive.15
HP:0009879HP:0009879Simplified gyral pattern0CLP1 CL E G H1097816999ORPHA:411493Pontocerebellar hypoplasia type 10HP:0040283 - Occasional7
HP:0009879HP:0009879Simplified gyral pattern0CLP1 CL E G H1097816999OMIM:615803Pontocerebellar hypoplasia, type 10.7
HP:0009879HP:0009879Simplified gyral pattern0COPB2 CL E G H92762232OMIM:619884
HP:0009879HP:0009879Simplified gyral pattern0COPB2 CL E G H92762232OMIM:617800Microcephaly 19, primary, autosomal recessive.
HP:0009879HP:0009879Simplified gyral pattern0CSNK2A1 CL E G H14572457OMIM:617062Okur-Chung neurodevelopmental syndrome.12
HP:0009879HP:0009879Simplified gyral pattern0CUL4B CL E G H84502555OMIM:300354Mental retardation, X-linked, syndromic, Cabezas typeHP:0040283 - Occasional38
HP:0009879HP:0009879Simplified gyral pattern0DCHS1 CL E G H864213681OMIM:601390Van maldergem syndrome 1.27
HP:0009879HP:0009879Simplified gyral pattern0DONSON CL E G H299802993OMIM:617604Microcephaly, short stature, and limb abnormalitiesHP:0040284 - Very rare9
HP:0009879HP:0009879Simplified gyral pattern0DONSON CL E G H299802993OMIM:251230Microcephaly-Micromelia syndrome.9
HP:0009879HP:0009879Simplified gyral pattern0DPF2 CL E G H59779964ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional
HP:0009879HP:0009879Simplified gyral pattern0DYNC1I2 CL E G H17812964OMIM:618492Neurodevelopmental disorder with microcephaly and structural brain anomalies1
HP:0009879HP:0009879Simplified gyral pattern0ERCC1 CL E G H20673433OMIM:610758Cerebrooculofacioskeletal syndrome 4.20
HP:0009879HP:0009879Simplified gyral pattern0EXOC7 CL E G H2326523214OMIM:619072NEURODEVELOPMENTAL DISORDER WITH SEIZURES AND BRAIN ATROPHY; NEDSEBA
HP:0009879HP:0009879Simplified gyral pattern0FKRP CL E G H7914717997OMIM:613153MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 5157
HP:0009879HP:0009879Simplified gyral pattern0FOXG1 CL E G H22903811OMIM:613454Rett syndrome, congenital variant177
HP:0009879HP:0009879Simplified gyral pattern0GFM2 CL E G H8434029682OMIM:618397Combined oxidative phosphorylation deficiency 39HP:0040284 - Very rare43
HP:0009879HP:0009879Simplified gyral pattern0GMNN CL E G H5105317493OMIM:616835Meier-Gorlin syndrome 6.3
HP:0009879HP:0009879Simplified gyral pattern0IER3IP1 CL E G H5112418550OMIM:614231Microcephaly, epilepsy, and diabetes syndrome.6
HP:0009879HP:0009879Simplified gyral pattern0KATNB1 CL E G H103006217OMIM:616212Lissencephaly 6, with microcephaly10
HP:0009879HP:0009879Simplified gyral pattern0KIF11 CL E G H38326388OMIM:152950Microcephaly with or without chorioretinopathy, lymphedema, or mental retardation.46
HP:0009879HP:0009879Simplified gyral pattern0KIF14 CL E G H992819181OMIM:617914Microcephaly 20, primary, autosomal recessive.9
HP:0009879HP:0009879Simplified gyral pattern0LIPT2 CL E G H38778737216OMIM:617668Encephalopathy, neonatal severe, with lactic acidosis and brain abnormalities2
HP:0009879HP:0009879Simplified gyral pattern0LMNB1 CL E G H40016637OMIM:619179MICROCEPHALY 26, PRIMARY, AUTOSOMAL DOMINANT; MCPH2644
HP:0009879HP:0009879Simplified gyral pattern0LMNB2 CL E G H848236638OMIM:619180MICROCEPHALY 27, PRIMARY, AUTOSOMAL DOMINANT; MCPH2711
HP:0009879HP:0009879Simplified gyral pattern0MED27 CL E G H94422377OMIM:619286NEURODEVELOPMENTAL DISORDER WITH SPASTICITY, CATARACTS, AND CEREBELLAR HYPOPLASIA; NEDSCAC
HP:0009879HP:0009879Simplified gyral pattern0MPDZ CL E G H87777208OMIM:615219Hydrocephalus, congenital, 2, with or without brain or eye anomalies.29
HP:0009879HP:0009879Simplified gyral pattern0NDE1 CL E G H5482017619OMIM:614019Lissencephaly 4.96
HP:0009879HP:0009879Simplified gyral pattern0NDUFA6 CL E G H47007690OMIM:618253Mitochondrial complex I deficiency, nuclear type 331
HP:0009879HP:0009879Simplified gyral pattern0NSRP1 CL E G H8408125305OMIM:620001
HP:0009879HP:0009879Simplified gyral pattern0OSGEP CL E G H5564418028OMIM:617729Galloway-Mowat syndrome 3.
HP:0009879HP:0009879Simplified gyral pattern0PDCD6IP CL E G H100158766OMIM:620047
HP:0009879HP:0009879Simplified gyral pattern0PLK4 CL E G H1073311397OMIM:616171Microcephaly and chorioretinopathy, autosomal recessive, 2.11
HP:0009879HP:0009879Simplified gyral pattern0PNKP CL E G H112849154OMIM:613402Microcephaly, seizures, and developmental delay.244
HP:0009879HP:0009879Simplified gyral pattern0PPIL1 CL E G H516459260OMIM:619301PONTOCEREBELLAR HYPOPLASIA, TYPE 14; PCH14
HP:0009879HP:0009879Simplified gyral pattern0PRKDC CL E G H55919413OMIM:615966Immunodeficiency 26 with or without neurologic abnormalitiesHP:0040283 - Occasional42
HP:0009879HP:0009879Simplified gyral pattern0PSAT1 CL E G H2996819129ORPHA:284417Phosphoserine aminotransferase deficiency, infantile/juvenile formHP:0040283 - Occasional27
HP:0009879HP:0009879Simplified gyral pattern0QARS1 CL E G H58599751OMIM:615760Microcephaly, progressive, with seizures and cerebral and cerebellar atrophyHP:0040283 - Occasional
HP:0009879HP:0009879Simplified gyral pattern0RTTN CL E G H2591418654ORPHA:468631Microcephalic cortical malformations-short stature due to RTTN deficiencyHP:0040283 - Occasional113
HP:0009879HP:0009879Simplified gyral pattern0SMARCA4 CL E G H659711100ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional617
HP:0009879HP:0009879Simplified gyral pattern0SMARCB1 CL E G H659811103ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional87
HP:0009879HP:0009879Simplified gyral pattern0SMARCC2 CL E G H660111105ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional1
HP:0009879HP:0009879Simplified gyral pattern0SMARCD1 CL E G H660211106ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional
HP:0009879HP:0009879Simplified gyral pattern0SMARCE1 CL E G H660511109ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional47
HP:0009879HP:0009879Simplified gyral pattern0SMPD4 CL E G H5562732949OMIM:618622NEURODEVELOPMENTAL DISORDER WITH MICROCEPHALY, ARTHROGRYPOSIS, AND STRUCTURAL BRAIN ANOMALIES; NEDMABA1
HP:0009879HP:0009879Simplified gyral pattern0SON CL E G H665111183ORPHA:500150Brain malformations-musculoskeletal abnormalities-facial dysmorphism-intellectual disability syndromeHP:0040283 - Occasional12
HP:0009879HP:0009879Simplified gyral pattern0SOX11 CL E G H666411191ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional14
HP:0009879HP:0009879Simplified gyral pattern0SOX4 CL E G H665911200ORPHA:1465Coffin-Siris syndromeHP:0040283 - Occasional
HP:0009879HP:0009879Simplified gyral pattern0SPOP CL E G H840511254OMIM:618828NABAIS SA-DE VRIES SYNDROME, TYPE 1; NSDVS116
HP:0009879HP:0009879Simplified gyral pattern0STIL CL E G H649110879OMIM:612703Microcephaly 7, primary, autosomal recessiveHP:0040283 - Occasional99
HP:0009879HP:0009879Simplified gyral pattern0TMEM222 CL E G H8406525363OMIM:619470NEURODEVELOPMENTAL DISORDER WITH MOTOR AND SPEECH DELAY AND BEHAVIORAL ABNORMALITIES; NEDMOSBA
HP:0009879HP:0009879Simplified gyral pattern0TRAIP CL E G H1029330764OMIM:616777Seckel syndrome 92
HP:0009879HP:0009879Simplified gyral pattern0TSEN2 CL E G H8074628422OMIM:612389Pontocerebellar hypoplasia, type 2BHP:0040283 - Occasional84
HP:0009879HP:0009879Simplified gyral pattern0TTC5 CL E G H9187519274OMIM:619244NEURODEVELOPMENTAL DISORDER WITH CEREBRAL ATROPHY AND VARIABLE FACIAL DYSMORPHISM; NEDCAFD
HP:0009879HP:0009879Simplified gyral pattern0TUBB2A CL E G H728012412OMIM:615763Cortical dysplasia, complex, with other brain malformations 5HP:0040283 - Occasional23
HP:0009879HP:0009879Simplified gyral pattern0TUBB3 CL E G H1038120772ORPHA:300570Cortical dysgenesis with pontocerebellar hypoplasia due to TUBB3 mutationHP:0040282 - Frequent64
HP:0009879HP:0009879Simplified gyral pattern0TUBB3 CL E G H1038120772OMIM:614039Cortical dysplasia, complex, with other brain malformations 164
HP:0009879HP:0009879Simplified gyral pattern0TUBGCP6 CL E G H8537818127OMIM:251270Microcephaly and chorioretinopathy, autosomal recessive, 1.61
HP:0009879HP:0009879Simplified gyral pattern0VLDLR CL E G H743612698OMIM:224050Cerebellar ataxia, mental retardation, and dysequilibrium syndrome 1.111
HP:0009879HP:0009879Simplified gyral pattern0WDR62 CL E G H28440324502OMIM:604317Microcephaly 2, primary, autosomal recessive, with or without cortical malformations.224
HP:0009879HP:0009879Simplified gyral pattern0XRCC4 CL E G H751812831OMIM:616541Short stature, microcephaly, and endocrine dysfunction.9
HP:0009879HP:0009879Simplified gyral pattern0YRDC CL E G H7969328905OMIM:619609GALLOWAY-MOWAT SYNDROME 10; GAMOS10
HP:0009879HP:0009879Simplified gyral pattern0ZNF335 CL E G H6392515807ORPHA:329228Microcephalic primordial dwarfism due to ZNF335 deficiencyHP:0040281 - Very frequent60
HP:0009879HP:0009879Simplified gyral pattern0ZNF335 CL E G H6392515807OMIM:615095Microcephaly 10, primary, autosomal recessive60
HP:0009879HP:0009879Simplified gyral pattern0ZNF526 CL E G H11611529415OMIM:61987724


Genes (74) :AHDC1 ANKLE2 ARID1A ARID1B ARID2 ASNS ASPM C2CD3 CASK CDC40 CDK5RAP2 CDK6 CENPE CEP152 CIT CLP1 COPB2 CSNK2A1 CUL4B DCHS1 DONSON DPF2 DYNC1I2 ERCC1 EXOC7 FKRP FOXG1 GFM2 GMNN IER3IP1 KATNB1 KIF11 KIF14 LIPT2 LMNB1 LMNB2 MED27 MPDZ NDE1 NDUFA6 NSRP1 OSGEP PDCD6IP PLK4 PNKP PPIL1 PRKDC PSAT1 QARS1 RTTN SMARCA4 SMARCB1 SMARCC2 SMARCD1 SMARCE1 SMPD4 SON SOX11 SOX4 SPOP STIL TMEM222 TRAIP TSEN2 TTC5 TUBB2A TUBB3 TUBGCP6 VLDLR WDR62 XRCC4 YRDC ZNF335 ZNF526

Diseases (69) :OMIM:615829 OMIM:616681 ORPHA:1465 OMIM:615574 OMIM:608716 OMIM:615948 OMIM:300749 OMIM:619302 OMIM:604804 OMIM:616080 OMIM:616051 OMIM:614852 OMIM:617090 ORPHA:411493 OMIM:615803 OMIM:619884 OMIM:617800 OMIM:617062 OMIM:300354 OMIM:601390 OMIM:617604 OMIM:251230 OMIM:618492 OMIM:610758 OMIM:619072 OMIM:613153 OMIM:613454 OMIM:618397 OMIM:616835 OMIM:614231 OMIM:616212 OMIM:152950 OMIM:617914 OMIM:617668 OMIM:619179 OMIM:619180 OMIM:619286 OMIM:615219 OMIM:614019 OMIM:618253 OMIM:620001 OMIM:617729 OMIM:620047 OMIM:616171 OMIM:613402 OMIM:619301 OMIM:615966 ORPHA:284417 OMIM:615760 ORPHA:468631 OMIM:618622 ORPHA:500150 OMIM:618828 OMIM:612703 OMIM:619470 OMIM:616777 OMIM:612389 OMIM:619244 OMIM:615763 ORPHA:300570 OMIM:614039 OMIM:251270 OMIM:224050 OMIM:604317 OMIM:616541 OMIM:619609 ORPHA:329228 OMIM:615095 OMIM:619877
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.