Kleefstra Syndrome Due To 9q34 Microdeletion

Clinical Features

Top most frequent phenotypes and symptoms related to Kleefstra Syndrome Due To 9q34 Microdeletion

  • Intellectual disability
  • Seizures
  • Global developmental delay
  • Hearing impairment
  • Microcephaly
  • Hypertelorism
  • Growth delay
  • Failure to thrive
  • Muscular hypotonia
  • Cryptorchidism
And another 46 symptoms. If you need more information about this disease we can help you.
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Incidence and onset information

Not enough data available about incidence and published cases.


Mendelian

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Kleefstra Syndrome Due To 9q34 Microdeletion Recommended genes panels

Panel Name, Specifity and genes Tested/covered
Syndromic Autism Panel.

By Greenwood Genetic Center Diagnostic Laboratories Greenwood Genetic Center in United States.

FMR1, UBE3A, PTEN, HPRT1, NHS, MECP2, STXBP1, TUBA1A, AMT, SLC9A6, ALDH5A1, TMLHE, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, FOXG1, MEF2C , (...)

View the complete list with 63 more genes
Specificity
2 %
Genes
100 %
Rett-Angelman Syndrome 2nd-Tier Sequencing Panel.

By Greenwood Genetic Center Diagnostic Laboratories Greenwood Genetic Center in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SLC2A1, FOLR1, MBD5, PQBP1, NRXN1, PNKP, TCF4, CNTNAP2, ATRX, OPHN1, ZEB2, EHMT1 , (...)

View the complete list with 1 more genes
Specificity
5 %
Genes
100 %
Autsim Panel.

By Knight Diagnostic Laboratories - Molecular Diagnostic Center Oregon Health & Science University in United States.

FMR1, UBE3A, PTEN, ADSL, HPRT1, NHS, MECP2, SLC9A6, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, MEF2C, PCDH19, PTPN11, RAI1 , (...)

View the complete list with 87 more genes
Specificity
1 %
Genes
100 %
Rett/Angelman Syndrome Deletion/Duplication Panel.

By Genetic Services Laboratory University of Chicago in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SLC2A1, FOLR1, MBD5, NRXN1, DYRK1A, PNKP, TCF4, CNTNAP2, ATRX, OPHN1, ZEB2, EHMT1
Specificity
5 %
Genes
100 %
Non-Specific Intellectual Disability Panel.

By Genetic Services Laboratory University of Chicago in United States.

FMR1, UBE3A, HSD17B10, OCRL, HPRT1, NHS, MECP2, IDH2, STXBP1, TUBA1A, TUSC3, ALG6, D2HGDH, PDHA1, MAOA, ACSL4, SLC9A6, BCOR, ALDH5A1, L2HGDH , (...)

View the complete list with 153 more genes
Specificity
1 %
Genes
100 %
Rett/Angelman Syndrome Sequencing Panel.

By Genetic Services Laboratory University of Chicago in United States.

UBE3A, ADSL, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SLC2A1, FOLR1, MBD5, WDR45, NRXN1, DYRK1A, PNKP, TCF4, CNTNAP2, ATRX, OPHN1 , (...)

View the complete list with 3 more genes
Specificity
5 %
Genes
100 %
Rett/Atypical Rett/Angelman.

By Human Genetics Laboratory, Munroe-Meyer Institute University of Nebraska Medical Center in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, MBD5, NRXN1, PNKP, TCF4, CNTNAP2, ATRX, ZEB2, EHMT1
Specificity
7 %
Genes
100 %
Autism/Intellectual Disability/Multiple Anomalies.

By Human Genetics Laboratory, Munroe-Meyer Institute University of Nebraska Medical Center in United States.

FMR1, UBE3A, PTEN, HPRT1, NHS, MKKS, RAF1, MECP2, TUBA1A, SLC9A6, FGFR3, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, HRAS , (...)

View the complete list with 69 more genes
Specificity
2 %
Genes
100 %
CustomNext: Neuro.

By Ambry Genetics in United States.

FMR1, UBE3A, PTEN, ATP7A, OCRL, NDP, HPRT1, NHS, POLG, MECP2, GAMT, GATM, STXBP1, TUSC3, CTSD, SLC25A22, GRN, OTC, PDHA1, TIMM8A , (...)

View the complete list with 176 more genes
Specificity
1 %
Genes
100 %
Neurodevelopment-Expanded.

By Ambry Genetics in United States.

FMR1, UBE3A, PTEN, ATP7A, OCRL, NDP, HPRT1, NHS, POLG, MECP2, GAMT, GATM, STXBP1, TUSC3, CTSD, SLC25A22, GRN, OTC, PDHA1, TIMM8A , (...)

View the complete list with 176 more genes
Specificity
1 %
Genes
100 %
IDNext.

By Ambry Genetics in United States.

FMR1, UBE3A, PTEN, ATP7A, OCRL, NDP, HPRT1, NHS, MECP2, GAMT, GATM, TUSC3, SLC25A22, OTC, PDHA1, TIMM8A, MAOA, ACSL4, SLC9A6, ABCD1 , (...)

View the complete list with 120 more genes
Specificity
1 %
Genes
100 %
Angelman/Rett Seq.

By Division of Genomic Diagnostics The Children's Hospital of Philadelphia in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SLC2A1, FOLR1, MBD5, DYRK1A, PNKP, TCF4, ATRX, OPHN1, ZEB2, EHMT1
Specificity
6 %
Genes
100 %
Angelman/Rett Del/Dup.

By Division of Genomic Diagnostics The Children's Hospital of Philadelphia in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, FOLR1, MBD5, DYRK1A, PNKP, TCF4, ATRX, OPHN1, ZEB2, EHMT1
Specificity
6 %
Genes
100 %
Angelman/ Rett Seq + Del/Dup.

By Division of Genomic Diagnostics The Children's Hospital of Philadelphia in United States.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SLC2A1, FOLR1, MBD5, DYRK1A, PNKP, TCF4, ATRX, OPHN1, ZEB2, EHMT1
Specificity
6 %
Genes
100 %
Kleefstra syndrome (sequence analysis of EHMT1 gene).

By CGC Genetics in Portugal.

EHMT1
Specificity
100 %
Genes
100 %
Kleefstra syndrome (deletion/duplication analysis of EHMT1 gene).

By CGC Genetics in Portugal.

EHMT1
Specificity
100 %
Genes
100 %
Kleefstra Syndrome via the EHMT1 Gene.

By PreventionGenetics PreventionGenetics in United States.

EHMT1
Specificity
100 %
Genes
100 %
Autism Spectrum Disorders Sequencing Panel with CNV Detection.

By PreventionGenetics PreventionGenetics in United States.

FMR1, UBE3A, PTEN, ADSL, MFRP, NDP, MECP2, GAMT, GATM, STXBP1, MAOA, SLC9A6, SGSH, ARX, BRAF, CDKL5, CHD7, DHCR7, FOXG1, KRAS , (...)

View the complete list with 87 more genes
Specificity
1 %
Genes
100 %
Epilepsy and Seizure Plus Sequencing Panel with CNV Detection.

By PreventionGenetics PreventionGenetics in United States.

UBE3A, PTEN, ADSL, POLG, MECP2, LIAS, DHDDS, ABAT, SLC25A12, GAMT, GATM, STXBP1, CTSD, SLC25A22, GCSH, GLDC, AMT, SLC9A6, ALDH5A1, ALDH7A1 , (...)

View the complete list with 202 more genes
Specificity
1 %
Genes
100 %
Mental retardation - different panels.

By Institute of Human Genetics Cologne University in Germany.

FMR1, UBE3A, PTEN, MCCC1, MCCC2, ACAD9, PC, ANKH, HLCS, ATP7A, AUH, B4GALT7, BCKDHA, BCKDHB, BCS1L, C12orf65, ADSL, MMACHC, PRKCG, PAX6 , (...)

View the complete list with 847 more genes
Specificity
1 %
Genes
100 %
Mental Retardation and Dysmorphology - panels.

By MGZ Medical Genetics Center in Germany.

FMR1, UBE3A, PTEN, RECQL4, AGL, ATP7A, GAA, LRP5, SLC37A4, GNPTAB, GLB1, HSD17B10, OCRL, JAG1, NDP, HPRT1, NHS, RAF1, SMPD1, MECP2 , (...)

View the complete list with 323 more genes
Specificity
1 %
Genes
100 %
Syndromal Diseases - panels.

By MGZ Medical Genetics Center in Germany.

FMR1, UBE3A, PTEN, RECQL4, AGL, ATP7A, GAA, LRP5, SLC37A4, GNPTAB, GLB1, HSD17B10, OCRL, JAG1, NDP, HPRT1, NHS, RAF1, SMPD1, MECP2 , (...)

View the complete list with 322 more genes
Specificity
1 %
Genes
100 %
Brain Malformations / Neuronal Migration Disorders.

By MGZ Medical Genetics Center in Germany.

FMR1, UBE3A, PTEN, APP, TUBB3, HSD17B10, HPRT1, PANK2, FH, MECP2, GAMT, STXBP1, TUBA1A, SLC25A22, GLDC, GK, MAOA, ACSL4, SLC9A6, ALDH7A1 , (...)

View the complete list with 246 more genes
Specificity
1 %
Genes
100 %
Angelman Syndrome and Differential Diagnoses.

By MGZ Medical Genetics Center in Germany.

UBE3A, MECP2, SLC9A6, ARX, CDKL5, FOXG1, MEF2C, PCDH19, SYNGAP1, MBD5, NEXMIF, NRXN1, DYRK1A, TCF4, CNTNAP2, ATRX, KDM5C, ZEB2, EHMT1, HERC2
Specificity
5 %
Genes
100 %
AllNeuro panel.

By Centogene AG - the Rare Disease Company in Germany.

F2, F5, FMR1, HTT, HFE, MTHFR, TTR, UBE3A, VHL, PTEN, AARS2, ABHD12, ACACA, ACAD9, ACADL, ACADM, ACADS, AGL, ACADVL, ACAT1 , (...)

View the complete list with 1185 more genes
Specificity
1 %
Genes
100 %
Kleefstra syndrome.

By Centogene AG - the Rare Disease Company in Germany.

EHMT1
Specificity
100 %
Genes
100 %
Autism Spectrum Disorders.

By Asper Biogene Asper Biogene LLC in Estonia.

UBE3A, ADSL, HPRT1, NHS, MECP2, SLC6A8, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, FOXG1, PCDH19, PTPN11, RAI1, HDAC8, TSC2, RAD21, SMC3 , (...)

View the complete list with 32 more genes
Specificity
2 %
Genes
100 %
Cardiovascular Diseases_General Panel.

By Health in Code in Spain.

HFE, TTR, AARS2, ACAD9, AGL, ACADVL, ATP5F1E, ATP7A, ATPAF2, B4GALT7, GAA, HNF1A, NEUROD1, PPARG, COL1A1, COL1A2, COL3A1, ELAC2, PSEN1, HNF1B , (...)

View the complete list with 360 more genes
Specificity
1 %
Genes
100 %
Congenital heart diseases Panel.

By Health in Code in Spain.

ELN, EYA4, FOXC1, PITX2, JAG1, NPHP4, RAF1, BRAF, CHD7, CREBBP, HRAS, KRAS, MAP2K1, NRAS, PTPN11, SHOC2, SOS1, MAP2K2, CBL, NF1 , (...)

View the complete list with 56 more genes
Specificity
2 %
Genes
100 %
qChip.

By Quantitative Genomic Medicine Laboratories, SL in Spain.

FMR1, UBE3A, APC, PTEN, TP53, FOXL2, EYA1, COL2A1, OCA2, APP, WT1, PAX6, RB1, LEMD3, HNF1B, ELN, OCRL, PITX2, JAG1, NDP , (...)

View the complete list with 106 more genes
Specificity
1 %
Genes
100 %
Invitae Epilepsy Panel.

By Invitae in United States.

UBE3A, ADSL, POLG, MECP2, LIAS, GAMT, GATM, STXBP1, CTSD, SLC25A22, SLC9A6, ALDH5A1, ALDH7A1, TPP1, CLN3, WWOX, PNKD, SLC6A8, ARX, CDKL5 , (...)

View the complete list with 105 more genes
Specificity
1 %
Genes
100 %
Invitae Rett and Angelman Syndromes and Related Disorders Panel.

By Invitae in United States.

UBE3A, ADSL, MECP2, STXBP1, SLC9A6, ALDH5A1, CDKL5, FOXG1, MEF2C, MBD5, KANSL1, SCN8A, NRXN1, DYRK1A, TCF4, CNTNAP2, ATRX, IQSEC2, ZEB2, EHMT1 , (...)

View the complete list with 2 more genes
Specificity
5 %
Genes
100 %
Kleefstra Syndrome: EHMT1 Full Gene Sequencing.

By EGL Genetic Diagnostics Eurofins Clinical Diagnostics in United States.

EHMT1
Specificity
100 %
Genes
100 %
Kleefstra Syndrome: EHMT1 Gene Deletion/Duplication.

By EGL Genetic Diagnostics Eurofins Clinical Diagnostics in United States.

EHMT1
Specificity
100 %
Genes
100 %
Autism Spectrum Disorders: Tier 2 Panel.

By EGL Genetic Diagnostics Eurofins Clinical Diagnostics in United States.

FMR1, UBE3A, PTEN, ADSL, HPRT1, NHS, MECP2, SLC9A6, ALDH5A1, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, MEF2C, PCDH19, PTPN11 , (...)

View the complete list with 42 more genes
Specificity
2 %
Genes
100 %
Neurology: Sequencing Panel.

By EGL Genetic Diagnostics Eurofins Clinical Diagnostics in United States.

UBE3A, ADSL, TUBB3, CC2D2A, TMEM67, NPHP1, ADGRV1, CEP290, SHH, POLG, SLC25A19, MECP2, LIAS, GAMT, GATM, STXBP1, TUBA1A, RARS2, CTSD, SLC25A22 , (...)

View the complete list with 144 more genes
Specificity
1 %
Genes
100 %
Autism Spectrum Disorders: Tier 2 Deletion/Duplication Panel.

By EGL Genetic Diagnostics Eurofins Clinical Diagnostics in United States.

FMR1, UBE3A, PTEN, HPRT1, NHS, MECP2, SLC9A6, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, MEF2C, PCDH19, PTPN11, RAI1, SLC2A1 , (...)

View the complete list with 39 more genes
Specificity
2 %
Genes
100 %
Autism NGS Panel.

By Fulgent Genetics Fulgent Genetics in United States.

FMR1, UBE3A, PTEN, HPRT1, NHS, MECP2, SLC9A6, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, MEF2C, PCDH19, PTPN11, RAI1, TSC2 , (...)

View the complete list with 80 more genes
Specificity
1 %
Genes
100 %
Intellectual Disability NGS Panel.

By Fulgent Genetics Fulgent Genetics in United States.

BRCA2, F5, FMR1, MTHFR, TTR, UBE3A, PTEN, MCCC1, MCCC2, AGL, ACAT1, GYS2, ARG1, ATP7A, AUH, BCS1L, ADSL, FBLN5, LRP5, COL1A2 , (...)

View the complete list with 372 more genes
Specificity
1 %
Genes
100 %
EHMT1.

By Fulgent Genetics Fulgent Genetics in United States.

EHMT1
Specificity
100 %
Genes
100 %
Facial Dysostosis and Related Disorders Panel.

By Blueprint Genetics in Finland.

ALPL, DHODH, CREBBP, HDAC8, SMC3, SMC1A, NIPBL, HSPG2, POLR1C, TCOF1, POLR1D, EHMT1, UBE2A, TWIST1, ALX4, EP300, EFNB1, EFTUD2, EVC, EVC2 , (...)

View the complete list with 6 more genes
Specificity
4 %
Genes
100 %
Rapid microarray (CGH and SNP).

By Allele Diagnostics Allele Diagnostics in United States.

FMR1, UBE3A, VHL, APC, PTEN, TP53, USH1C, ATP7A, FOXL2, HBB, EYA1, OCA2, WT1, PAX6, CHM, RB1, HNF1B, RET, ELN, OCRL , (...)

View the complete list with 153 more genes
Specificity
1 %
Genes
100 %
High-Resolution Rapid Microarray (CGH and SNP).

By Allele Diagnostics Allele Diagnostics in United States.

FMR1, UBE3A, VHL, APC, PTEN, TP53, USH1C, ATP7A, FOXL2, HBB, EYA1, OCA2, WT1, PAX6, CHM, RB1, HNF1B, RET, ELN, OCRL , (...)

View the complete list with 153 more genes
Specificity
1 %
Genes
100 %
KLEEFSTRA SYNDROME.

By Laboratorio de Genetica Clinica SL in Spain.

EHMT1
Specificity
100 %
Genes
100 %
Mental Retardation (Complete Panel) , Panel Massive Sequencing (NGS) 91 Genes.

By Reference Laboratory Genetics in Spain.

MECP2, STXBP1, TUSC3, ACSL4, SLC6A8, ARX, MEF2C, SYNGAP1, KIF1A, DYNC1H1, GRIN2B, MBD5, DEAF1, PQBP1, TBL1XR1, ST3GAL3, KANSL1, NRXN1, GRIN1, DYRK1A , (...)

View the complete list with 71 more genes
Specificity
2 %
Genes
100 %
Autism Spectrum Disorders (Expanded Panel) , Panel Massive Sequencing (NGS) 77 Genes.

By Reference Laboratory Genetics in Spain.

FMR1, UBE3A, PTEN, HPRT1, NHS, MECP2, SLC9A6, ARX, BRAF, CDKL5, CHD7, CREBBP, DHCR7, DMD, FOXG1, MEF2C, PCDH19, PTPN11, RAI1, TSC2 , (...)

View the complete list with 57 more genes
Specificity
2 %
Genes
100 %
Autosomal Dominant Mental Retardation , Panel Massive Sequencing (NGS) 31 Genes.

By Reference Laboratory Genetics in Spain.

MEF2C, SYNGAP1, KIF1A, DYNC1H1, GRIN2B, MBD5, DEAF1, TBL1XR1, KANSL1, GRIN1, DYRK1A, SETBP1, ADNP, KIRREL3, EHMT1, ARID1B, CTNNB1, SMARCA4, SMARCB1, ARID1A , (...)

View the complete list with 11 more genes
Specificity
4 %
Genes
100 %
Tempus xO assay.

By Tempus Labs, Inc. in United States.

BRCA1, BRCA2, VHL, APC, EPCAM, MSH2, PMS2, MSH6, MLH1, MUTYH, PTEN, RECQL4, RUNX1, TP53, ABCB11, ABCB4, FKBP10, FOXL2, HNF1A, PPARG , (...)

View the complete list with 1693 more genes
Specificity
1 %
Genes
100 %

Alternate names

Kleefstra Syndrome Due To 9q34 Microdeletion Is also known as 9q subtelomeric deletion syndrome; 9qstds; kleefstra syndrome due to 9q subtelomeric deletion; kleefstra syndrome due to del(9)(q34); kleefstra syndrome due to monosomy 9q34.



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