Intellectual disability, X-linked

AP1S2 - X-linked syndromic intellectual disability type Fried

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300629
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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ARHGEF6 - X-linked intellectual disability

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Renal disorders panel

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300267
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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ATRX - X-linked alpha-thalassemia and intellectual disability

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Disorders/differences of sex development (DSD) / Primary adrenal insufficiency panel
• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

Remarks
Send preferably EDTA blood. Otherwise only hotspot analysis. Duplications are rare and can be detected with high resolution SNP array. This test can be requested seperately.

OMIM: 301040
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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CASK - X-linked intellectual disability and microcephaly with pontine and cerebellar hypoplasia

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries
• Deletion/duplication analysis (MLPA)

OMIM: 300172
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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CUL4B - X-linked syndromic intellectual disability (Cabezas syndrome)

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Disorders/differences of sex development (DSD) / Primary adrenal insufficiency panel
• Epilepsy panel
• Hypogonadotropic hypogonadism (Kallmann) panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300354
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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DLG3 - X-linked intellectual disability type 90

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300189
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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FTSJ1 - X-linked intellectual disability type 9

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300499
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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KDM5C - X-linked syndromic intellectual disability type Claes-Jensen

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 314690
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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OPHN1 - X-linked intellectual disability with cerebellair hypoplasia

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Movement disorders panel

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300486
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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PHF6 - Borjeson-Forssman-Lehmann syndrome

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Disorders/differences of sex development (DSD) / Primary adrenal insufficiency panel
• Epilepsy panel
• Hypogonadotropic hypogonadism (Kallmann) panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 301900
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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PHF8 - X-linked intellectual disability type Siderius

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Orofacial clefting panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of selected exons and flanking intron-exon boundaries

Remarks
Only exon 8 is analysed.

OMIM: 300263
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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PQBP1 - X-linked intellectual disability type Renpenning

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is often ordered in combination with:

• PQBP1 - X-linked intellectual disability type Renpenning (MLPA)

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Orofacial clefting panel with genome wide CNV analysis
• Skin disorders panel¹

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

Remarks
"Since duplications are rare, MLPA analysis for this gene will not be performed routinely. When suspicion remains high, MLPA analysis can be requested separately."

OMIM: 309500
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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PTCHD1 - X-linked intellectual disability or autism

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Vision disorders panel

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300830
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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SLC9A6 - X-linked syndromic intellectual disability type Cristianson

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300243
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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SOX3 - X-linked intellectual disability with growth hormone deficiency

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Disorders/differences of sex development (DSD) / Primary adrenal insufficiency panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Short stature/skeletal dysplasia panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300123
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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UPF3B - X-linked syndromic intellectual disability

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300676
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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USP9X - X-linked syndromic intellectual disability type 99

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Orofacial clefting panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300919
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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X-inactivation

This test is available for the following conditions:

• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• PCR followed by fragment (length) analysis
• Methylation analysis

Remarks
DNA of the proband is required

Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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ZDHHC9 - X-linked syndromal intellectual disability

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is also part of the following panels:

• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Sequence analysis of all coding exons and flanking intron-exon boundaries

OMIM: 300799
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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PQBP1 - X-linked intellectual disability type Renpenning (MLPA)

This test is available for the following conditions:

• Conditions > Intellectual Disability > Intellectual disability, X-linked
• Conditions > Multiple congenital anomalies (MCA) > Intellectual disability, X-linked

This product is often ordered in combination with:

• PQBP1 - X-linked intellectual disability type Renpenning

This product is also part of the following panels:

• Epilepsy panel
• Intellectual disability panel with genome wide CNV analysis
• Mendelian inherited disorders panel with genome wide CNV analysis
• Orofacial clefting panel with genome wide CNV analysis
• Skin disorders panel¹

Turnaround time
Complete analysis: 8 weeks / Targeted analysis: 4 weeks

Method

• Deletion/duplication analysis (MLPA)

OMIM: 300463
Performing laboratory: Radboudumc
Authorized material(s): EDTA blood, Isolated DNA, Buccal mucous membrane

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