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A cause of obesity that results from inheritance of two copies of chromosome 14 from the mother, and no copy of chromosome 14 from the father.
Features include very common findings: Short foot, Low muscle tone (hypotonia), Motor delay, and Precocious puberty and others; and common findings: Short stature, Relative macrocephaly, Prominent forehead, and Intellectual disability and others. 51 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 5 | Hydrocephalus, Intellectual disability, Delayed speech and language development |
Biomarker and diagnostic research for motor developmental delay due to 14q32.2 paternally expressed gene defect has been reported in the published literature.
Phenotype severity distribution: 8 very common features, 13 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
20 publications have been identified in PubMed for motor developmental delay due to 14q32.2 paternally expressed gene defect. Research spans Case Report / Case Series (35%), Review / Meta-Analysis (15%), and Basic Science / Preclinical (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 7 |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 10:38 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Growth and development | 4 | Short stature, Intrauterine growth retardation, Postnatal growth retardation |
Hormones | 4 | Precocious puberty, Maturity-onset diabetes of the young, Type II diabetes mellitus |
Arms and legs | 3 | Short foot, Small hand, Clinodactyly of the 5th finger |
Muscles | 3 | Flexion contracture, Low muscle tone (hypotonia), Generalized hypotonia |
Head and neck | 3 | Relative macrocephaly, High palate, Cleft palate |
Digestive system | 3 | Feeding difficulties, Feeding difficulties in infancy, Excessive hunger (polyphagia) |
Bones and joints | 2 | Sideways curvature of the spine (scoliosis), Joint hypermobility |
Ears | 1 | Recurrent otitis media |
Research summaries | 3 | 15% |
Laboratory research | 3 | 15% |
Disease patterns and progression | 3 | 15% |
Testing and diagnosis research | 2 | 10% |
Other research | 1 | 5% |
Clinical study results | 1 | 5% |
Tobar M (2026). [PMID: 42098940](https://pubmed.ncbi.nlm.nih.gov/42098940/). *Am J Med Genet A*. [Other]
Wang X (2026). [PMID: 42026594](https://pubmed.ncbi.nlm.nih.gov/42026594/). *BMC Pediatr*. [Clinical Trial Publication]
Tanaka Y (2025). [PMID: 41137976](https://pubmed.ncbi.nlm.nih.gov/41137976/). *Journal of medical ultrasonics (2001)*. [Case Report / Case Series]
Unknown (2025). [PMID: 40662577](https://pubmed.ncbi.nlm.nih.gov/40662577/). *The Journal of clinical endocrinology and metabolism*. [Review / Meta-Analysis]
Iwanishi M (2025). [PMID: 38749734](https://pubmed.ncbi.nlm.nih.gov/38749734/). *Internal medicine (Tokyo, Japan)*. [Case Report / Case Series]
Sá B (2025). [PMID: 40445129](https://pubmed.ncbi.nlm.nih.gov/40445129/). *Clinical dysmorphology*. [Basic Science / Preclinical]
D'Angelo E (2025). [PMID: 41276848](https://pubmed.ncbi.nlm.nih.gov/41276848/). *Clinical epigenetics*. [Basic Science / Preclinical]
Dada S (2025). [PMID: 40447311](https://pubmed.ncbi.nlm.nih.gov/40447311/). *Journal of medical genetics*. [Diagnostic / Biomarker]
Ogawa T (2025). [PMID: 39693239](https://pubmed.ncbi.nlm.nih.gov/39693239/). *The Journal of clinical endocrinology and metabolism*. [Epidemiology / Natural History]
Olsen T (2025). [PMID: 39667803](https://pubmed.ncbi.nlm.nih.gov/39667803/). *Clinical genetics*. [Epidemiology / Natural History]