FRMPD4FERM and PDZ domain containing 4
Autism Reports / Total Reports
5 / 10Rare Variants / Common Variants
14 / 0Aliases
FRMPD4, MRX104, PDZD10, PDZK10Associated Syndromes
-Chromosome Band
Xp22.2Associated Disorders
SCZ, ID, EP, EPS, ASDRelevance to Autism
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011). X-exome sequencing of 405 unresolved families with X-linked intellectual disability (XLID) in Hu et al., 2016 identified a maternally-transmitted frameshift variant in the FRMPD4 gene that segregated with XLID in a family in which affected males presented with variable seizures, poor or absent speech, and behavioral problems; a de novo missense variant in FRMPD4 was also identified in an unrelated male proband presenting with ASD, developmental delay, and absent speech in this study. Piard et al., 2017 presented two novel families with four affected males carrying FRMPD4 mutations; three of these affected males presented with ASD in addition to intellectual disability, gross motor delay, and speech delay. Frmpd4-knockout mice were also shown to display hippocampal-dependent spatial learning and memory deficits in Piard et al., 2017.
Molecular Function
This gene encodes a multi-domain (WW, PDZ, FERM) containing protein. Through its interaction with other proteins (such as PSD-95), it functions as a positive regulator of dendritic spine morphogenesis and density, and is required for the maintenance of excitatory synaptic transmission.
External Links
SFARI Genomic Platforms
Reports related to FRMPD4 (10 Reports)
# | Type | Title | Author, Year | Autism Report | Associated Disorders |
---|---|---|---|---|---|
1 | Recent Recommendation | Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis | Lee HW , et al. (2009) | No | - |
2 | Primary | Systematic resequencing of X-chromosome synaptic genes in autism spectrum disorder and schizophrenia | Piton A , et al. (2010) | Yes | SCZ |
3 | Support | Range of genetic mutations associated with severe non-syndromic sporadic intellectual disability: an exome sequencing study | Rauch A , et al. (2012) | No | Epilepsy, ASD |
4 | Support | X-exome sequencing of 405 unresolved families identifies seven novel intellectual disability genes | Hu H et al. (2016) | No | ASD |
5 | Recent Recommendation | FRMPD4 mutations cause X-linked intellectual disability and disrupt dendritic spine morphogenesis | Piard J , et al. (2017) | No | ASD, epilepsy/seizures |
6 | Support | Neurological Diseases With Autism Spectrum Disorder: Role of ASD Risk Genes | Xiong J , et al. (2019) | Yes | ID |
7 | Support | - | Levchenko O et al. (2022) | No | Autistic features |
8 | Support | - | Zhou X et al. (2022) | Yes | - |
9 | Support | - | Omri Bar et al. (2024) | Yes | ID, epilepsy/seizures |
10 | Support | - | Axel Schmidt et al. (2024) | Yes | DD |
Rare Variants (14)
Status | Allele Change | Residue Change | Variant Type | Inheritance Pattern | Parental Transmission | Family Type | PubMed ID | Author, Year |
---|---|---|---|---|---|---|---|---|
c.1657T>C | p.Cys553Arg | missense_variant | De novo | - | - | 25644381 | Hu H et al. (2016) | |
- | - | copy_number_loss | Familial | Maternal | Multiplex | 29267967 | Piard J , et al. (2017) | |
c.213C>G | p.Ile71Met | missense_variant | Unknown | - | - | 39039281 | Axel Schmidt et al. (2024) | |
c.608C>T | p.Ala203Val | missense_variant | De novo | - | Simplex | 35982159 | Zhou X et al. (2022) | |
c.1405A>G | p.Arg469Gly | missense_variant | Unknown | - | - | 39039281 | Axel Schmidt et al. (2024) | |
c.1535A>G | p.Tyr512Cys | missense_variant | Unknown | - | - | 39039281 | Axel Schmidt et al. (2024) | |
c.2425G>A | p.Ala809Thr | missense_variant | Unknown | - | - | 39039281 | Axel Schmidt et al. (2024) | |
c.1411G>T | p.Glu471Ter | stop_gained | De novo | - | Simplex | 35887114 | Levchenko O et al. (2022) | |
c.3440G>A | p.Gly1147Glu | missense_variant | Familial | Maternal | - | 20479760 | Piton A , et al. (2010) | |
c.3271C>G | p.Gln1091Glu | missense_variant | Familial | Maternal | - | 31031587 | Xiong J , et al. (2019) | |
c.856C>T | p.Leu286= | stop_gained | Familial | Maternal | Multiplex | 29267967 | Piard J , et al. (2017) | |
c.2854G>A | p.Glu952Lys | missense_variant | Familial | Maternal | Simplex | 23020937 | Rauch A , et al. (2012) | |
c.1924G>A | p.Ala642Thr | missense_variant | Familial | Maternal | Simplex | 38256266 | Omri Bar et al. (2024) | |
c.1851del | p.Cys618ValfsTer8 | frameshift_variant | Familial | Maternal | Extended multiplex | 25644381 | Hu H et al. (2016) |
Common Variants
No common variants reported.
SFARI Gene score
Syndromic


Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011). X-exome sequencing of 405 unresolved families with X-linked intellectual disability (XLID) in Hu et al., 2016 identified a maternally-transmitted frameshift variant in the FRMPD4 gene that segregated with XLID in a family in which affected males presented with variable seizures, poor or absent speech, and behavioral problems; a de novo missense variant in FRMPD4 was also identified in an unrelated male proband presenting with ASD, developmental delay, and absent speech in this study. Piard et al., 2017 presented two novel families with four affected males carrying FRMPD4 mutations; three of these affected males presented with ASD in addition to intellectual disability, gross motor delay, and speech delay. Frmpd4-knockout mice were also shown to display hippocampal-dependent spatial learning and memory deficits in Piard et al., 2017.
Score Delta: Score remained at S
criteria met
See SFARI Gene'scoring criteriaThe syndromic category includes mutations that are associated with a substantial degree of increased risk and consistently linked to additional characteristics not required for an ASD diagnosis. If there is independent evidence implicating a gene in idiopathic ASD, it will be listed as "#S" (e.g., 2S, 3S, etc.). If there is no such independent evidence, the gene will be listed simply as "S."
10/1/2019

Score remained at S
New Scoring Scheme
Description
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011). X-exome sequencing of 405 unresolved families with X-linked intellectual disability (XLID) in Hu et al., 2016 identified a maternally-transmitted frameshift variant in the FRMPD4 gene that segregated with XLID in a family in which affected males presented with variable seizures, poor or absent speech, and behavioral problems; a de novo missense variant in FRMPD4 was also identified in an unrelated male proband presenting with ASD, developmental delay, and absent speech in this study. Piard et al., 2017 presented two novel families with four affected males carrying FRMPD4 mutations; three of these affected males presented with ASD in addition to intellectual disability, gross motor delay, and speech delay. Frmpd4-knockout mice were also shown to display hippocampal-dependent spatial learning and memory deficits in Piard et al., 2017.
Reports Added
[New Scoring Scheme]4/1/2019

Score remained at S
Description
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011). X-exome sequencing of 405 unresolved families with X-linked intellectual disability (XLID) in Hu et al., 2016 identified a maternally-transmitted frameshift variant in the FRMPD4 gene that segregated with XLID in a family in which affected males presented with variable seizures, poor or absent speech, and behavioral problems; a de novo missense variant in FRMPD4 was also identified in an unrelated male proband presenting with ASD, developmental delay, and absent speech in this study. Piard et al., 2017 presented two novel families with four affected males carrying FRMPD4 mutations; three of these affected males presented with ASD in addition to intellectual disability, gross motor delay, and speech delay. Frmpd4-knockout mice were also shown to display hippocampal-dependent spatial learning and memory deficits in Piard et al., 2017.
7/1/2018

Decreased from 5 to S
Description
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011). X-exome sequencing of 405 unresolved families with X-linked intellectual disability (XLID) in Hu et al., 2016 identified a maternally-transmitted frameshift variant in the FRMPD4 gene that segregated with XLID in a family in which affected males presented with variable seizures, poor or absent speech, and behavioral problems; a de novo missense variant in FRMPD4 was also identified in an unrelated male proband presenting with ASD, developmental delay, and absent speech in this study. Piard et al., 2017 presented two novel families with four affected males carrying FRMPD4 mutations; three of these affected males presented with ASD in addition to intellectual disability, gross motor delay, and speech delay. Frmpd4-knockout mice were also shown to display hippocampal-dependent spatial learning and memory deficits in Piard et al., 2017.
7/1/2014

Increased from No data to 5
Description
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011).
4/1/2014

Increased from No data to 5
Description
Rare mutations in the FRMPD4 gene have been identified with autism and schizophrenia (Piton et al., 2011).
Krishnan Probability Score
Score 0.50023424258246
Ranking 2091/25841 scored genes
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ExAC Score
Score 0.99719082898636
Ranking 1342/18225 scored genes
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Sanders TADA Score
Score 0.94841684676952
Ranking 17675/18665 scored genes
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Larsen Cumulative Evidence Score
Score 0
Ranking 447/461 scored genes
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