syndromic X-linked intellectual disability Lubs type
Findings
No curated finding names syndromic X-linked intellectual disability Lubs type yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Distal Xq duplications refer to chromosomal disorders resulting from involvement of the long arm of the X chromosome (Xq). Clinical manifestations vary widely depending on the gender of the patient and on the gene content of the duplicated segment. The prevalence of Xq duplications remains unknown.
Definition from the Mondo Disease Ontology (MONDO:0010283), read 2026-09-29. CC BY 4.0.
- Inheritance
- X-linked recessive inheritance
- Onset and course
- Progressive · Death in childhood
HPO, annotations 2026-09-02
Features
80 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Decreased body weightHPOHP:0004325
- 1 of 1 reported patient
- Delayed ability to roll overHPOHP:0032989
- 1 of 1 reported patient
- Delayed ability to sitHPOHP:0025336
- 6 of 6 reported patients
- Delayed ability to walkHPOHP:0031936
- 18 of 18 reported patients
- Facial hypotoniaHPOHP:0000297
- 11 of 11 reported patients
- Feeding difficultiesHPOHP:0011968
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- MECP2HGNC:6990
- Definitive · G2P · X-linked · 2025
Where it sits
Other names
11 names
Resolves to: syndromic X-linked intellectual disability Lubs type
- Also called
- distal duplication Xqintellectual developmental disorder, X-linked syndromic, Lubs type, X-linked recessiveintellectual disability, X-linked, syndromic, Lubs typeintellectual disability, X-linked, with recurrent respiratory infectionsLubs X-linked intellectual disability syndromeLubs X-linked mental retardation syndromeMECP2 duplication syndromemental retardation, X-linked, with recurrent respiratory infectionsMRXSLtelomeric duplication XqXq28 (MECP2) duplication