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Any autosomal dominant non-syndromic intellectual disability in which the cause of the disease is a mutation in the DPP6 gene.
Features include always present findings: Decreased body weight, Microcephaly, and Intellectual disability; and very common findings: Short stature. 9 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 2 | Sideways curvature of the spine (scoliosis), Delayed skeletal maturation |
Head and neck | 1 | Microcephaly |
Growth and development | 1 | Short stature |
Eyes | 1 | Amblyopia |
Brain and nerves | 1 | Intellectual disability |
Age of onset: at birth.
DPP6 encodes dipeptidyl peptidase like 6 (865 aa). Promotes cell surface expression of the potassium channel KCND2. Modulates the activity and gating characteristics of the potassium channel KCND2. Has no dipeptidyl aminopeptidase activity Highest expression in Brain Cerebellar Hemisphere (81.7 TPM) and Brain Cerebellum (72.8 TPM).
Intellectual disability, autosomal dominant 33 is associated with mutations in the DPP6 gene on chromosome 7.
DPP6 is classified as a druggable target (Druggable Genome, Enzyme, Protease, and Transporter categories) with score 1.0.
Genetic testing for DPP6 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 3 always present features, 1 very common feature.
No clinical trials have been registered for intellectual disability, autosomal dominant 33.
10 publications have been identified in PubMed for intellectual disability, autosomal dominant 33. Research spans Review / Meta-Analysis (30%), Case Report / Case Series (30%), and Basic Science / Preclinical (20%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 3 | 30% |
Patient case studies | 3 | 30% |
Laboratory research | 2 | 20% |
Disease patterns and progression | 2 | 20% |
Li M (2026). [PMID: 41710014](https://pubmed.ncbi.nlm.nih.gov/41710014/). *Front Pediatr*. [Review / Meta-Analysis]
Samara AA (2026). [PMID: 41595474](https://pubmed.ncbi.nlm.nih.gov/41595474/). *Genes (Basel)*. [Case Report / Case Series]
Pang N (2025). [PMID: 40598568](https://pubmed.ncbi.nlm.nih.gov/40598568/). *BMC Med*. [Epidemiology / Natural History]
Schmid CM (2025). [PMID: 39668183](https://pubmed.ncbi.nlm.nih.gov/39668183/). *Eur J Hum Genet*. [Basic Science / Preclinical]
Leduc F (2025). [PMID: 40348827](https://pubmed.ncbi.nlm.nih.gov/40348827/). *Eur J Hum Genet*. [Review / Meta-Analysis]
Pizzol A (2025). [PMID: 39494522](https://pubmed.ncbi.nlm.nih.gov/39494522/). *Am J Med Genet A*. [Case Report / Case Series]
Jimoh IJ (2025). [PMID: 39978794](https://pubmed.ncbi.nlm.nih.gov/39978794/). *Clin Genet*. [Epidemiology / Natural History]
Wang C (2024). [PMID: 39432612](https://pubmed.ncbi.nlm.nih.gov/39432612/). *Medicine (Baltimore)*. [Review / Meta-Analysis]
He HL (2024). [PMID: 39148392](https://pubmed.ncbi.nlm.nih.gov/39148392/). *Zhongguo Dang Dai Er Ke Za Zhi*. [Case Report / Case Series]
Foglia M (2024). [PMID: 39453535](https://pubmed.ncbi.nlm.nih.gov/39453535/). *Cell Mol Life Sci*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 1:05 PM UTC
Online Mendelian Inheritance in Man
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