KDM5C-related syndromic X-linked intellectual disability
Synonyms: Claes-Jensen syndrome
- Type
- Malformation syndrome
- Group
- Disorder
- Inheritance
- X-linked recessive
- Age of onset
- Childhood
- Status
- active
A rare multiple congenital anomalies/dysmorphic syndrome characterized by mild to severe intellectual deficit associated with variable clinical manifestations including spasticity, cryptorchidism, maxillary hypoplasia, alopecia areata, epilepsy, short stature, impaired speech, and behavioral problems.
Names in Orphadata languages
12 of 12 languages| Lang | Name | Synonyms |
|---|---|---|
| en | KDM5C-related syndromic X-linked intellectual disability | Claes-Jensen syndrome |
| fr | Déficience intellectuelle liée à l'X syndromique associée à KDM5C | Syndrome de Claes-Jensen |
| de | Intelligenzminderung, X-chromosomale, syndromale, KDM5C-assoziierte | Claes-Jensen-Syndrom |
| es | Discapacidad intelectual sindrómica ligada al cromosoma X asociada a KDM5C | Síndrome de Claes-Jensen |
| it | Disabilità intellettiva sindromica legata all'X correlata a KDM5C | Sindrome di Claes-Jensen |
| nl | KDM5C-gerelateerde syndromale X-gebonden intellectuele achterstand | Syndroom van Claes-Jensen |
| pt | Perturbação do desenvolvimento intelectual sindromática ligada ao X KDM5C-relacionada | |
| pl | Syndromiczna niepełnosprawność intelektualna sprzężona z chromosomem X z powodu mutacji JARID1C | Syndromiczna niepełnosprawność intelektualna sprzężona z chromosomem X związana z mutacjami z genie KDM5C |
| cs | Syndromická X-vázaná mentální retardace související s KDM5C | Syndromická mentální retardace způsobená mutací JARID1C |
| uk | Синдромна Х-зчеплена інтелектуальна недостатність, повязана з KDM5C | |
| zh | JARID1C突变所致综合征性X连锁智力残疾 | |
| tr | JARID1C mutasyonuna bağlı sendromik X'e bağlı zihinsel yetersizlik |
Definition in:
Cross-references
qualifier = Orphanet mapping relation| Source | Code | Qualifier | ICD relation | Validation |
|---|---|---|---|---|
| OMIM | 300534 | E | validated | |
| ICD-10 | Q87.8 | NTBT | attributed | validated |
| ICD-11 | LD90 | NTBT | attributed | validated |
| MONDO | 0010355 | E | validated | |
| UMLS | C5681493 | E | validated |
E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.
Classification
Preferential parent (Orphanet linearisation):
Parents in the classifications (3):
- ORPHA:611327Genetic multiple congenital anomalies/dysmorphic syndrome-intellectual disability
rare genetic diseases - ORPHA:166472Monogenic disease with epilepsy
rare genetic diseases; rare neurological diseases - ORPHA:102283Multiple congenital anomalies/dysmorphic syndrome-intellectual disability
rare developmental anomalies during embryogenesis; rare neurological diseases
No children.
Genes
1 direct| Gene | Association | Status | HGNC | Ensembl | OMIM | Locus | Name | Source of validation |
|---|---|---|---|---|---|---|---|---|
| KDM5C | Disease-causing germline mutation(s) in | Assessed | HGNC:11114 | ENSG00000126012 | 314690 | Xp11.22 | lysine demethylase 5C | 15586325[PMID] |
Prevalence and incidence
2 records| Type | Class | Value | Area | Qualification | Validation | Source |
|---|---|---|---|---|---|---|
| Cases/families | 10 families | Worldwide | Family(ies) | Validated | ORPHANET | |
| Point prevalence | <1 / 1 000 000 | — | Worldwide | Class only | Validated | ORPHANET |
Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.
HPO phenotypes
25 annotations · validated 2016-06-01| HPO | Term (as annotated by Orphanet) | Diagnostic |
|---|---|---|
| Very frequent (99-80%) | ||
| HP:0000028 | Cryptorchidism | |
| HP:0000750 | Delayed speech and language development | |
| HP:0000327 | Hypoplasia of the maxilla | |
| HP:0010864 | Intellectual disability, severe | |
| HP:0002232 | Patchy alopecia | |
| Frequent (79-30%) | ||
| HP:0000718 | Aggressive behavior | |
| HP:0001347 | Hyperreflexia | |
| HP:0001250 | Seizure | |
| HP:0004322 | Short stature | |
| HP:0001257 | Spasticity | |
| Occasional (29-5%) | ||
| HP:0000717 | Autism | |
| HP:0100490 | Camptodactyly of finger | |
| HP:0030084 | Clinodactyly | |
| HP:0008734 | Decreased testicular size | |
| HP:0000490 | Deeply set eye | |
| HP:0000218 | High palate | |
| HP:0000256 | Macrocephaly | |
| HP:0000252 | Microcephaly | |
| HP:0007565 | Multiple cafe-au-lait spots | |
| HP:0000426 | Prominent nasal bridge | |
| HP:0000411 | Protruding ear | |
| HP:0004279 | Short palm | |
| HP:0000486 | Strabismus | |
| HP:0001762 | Talipes equinovarus | |
| HP:0001182 | Tapered finger | |
Run the differential on the 5 obligate / very frequent terms
Annotation source: 21575681[PMID]_19826449[PMID]
Sources for this card
- Orphanet page: orpha.net/en/disease/detail/85279
- This record as JSON: /data/d/85279.json