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Features include always present findings: Global developmental delay and Generalized hypotonia; and very common findings: Shrinkage of the cerebellum (cerebellar atrophy). 16 total HPO annotations.
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 9:34 PM UTC
Online Mendelian Inheritance in Man
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 3 | Seizure, Global developmental delay, Ataxia |
Head and neck | 2 | Long face, Thin upper lip vermilion |
Muscles | 2 | Shrinkage of the cerebellum (cerebellar atrophy), Generalized hypotonia |
Lab test results | 2 | Elevated circulating alkaline phosphatase concentration, Decreased circulating alkaline phosphatase activity |
PIGK function has not been fully characterized.
Neurodevelopmental disorder with hypotonia and cerebellar atrophy, with or without seizures is associated with mutations in the PIGK gene on chromosome 1.
Genetic testing for PIGK is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for neurodevelopmental disorder with hypotonia and cerebellar atrophy, with or without seizures has been reported in the published literature.
Phenotype severity distribution: 2 always present features, 1 very common feature, 2 common features.
No clinical trials have been registered for neurodevelopmental disorder with hypotonia and cerebellar atrophy, with or without seizures.
206 publications have been identified in PubMed for neurodevelopmental disorder with hypotonia and cerebellar atrophy, with or without seizures. Kisho has analyzed 138 by research type. Research spans Review / Meta-Analysis (26%), Other (22%), and Basic Science / Preclinical (20%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 36 | 26% |
Other research | 31 | 22% |
Laboratory research | 27 | 20% |
Disease patterns and progression | 22 | 16% |
Patient case studies | 8 | 6% |
Clinical study results | 8 | 6% |
Testing and diagnosis research | 5 | 4% |
New treatment approaches | 1 | 1% |
Hackett AN (2026). [PMID: 41166783](https://pubmed.ncbi.nlm.nih.gov/41166783/). *Pediatr Neurol*. [Diagnostic / Biomarker]
Marzuillo P (2026). [PMID: 42171793](https://pubmed.ncbi.nlm.nih.gov/42171793/). *Eur J Pediatr*. [Epidemiology / Natural History]
Thaele A (2026). [PMID: 42066537](https://pubmed.ncbi.nlm.nih.gov/42066537/). *Seizure*. [Diagnostic / Biomarker]
Fathimath M (2026). [PMID: 41617510](https://pubmed.ncbi.nlm.nih.gov/41617510/). *Med J Malaysia*. [Epidemiology / Natural History]
Ozcan U (2026). [PMID: 41423247](https://pubmed.ncbi.nlm.nih.gov/41423247/). *J Vet Med Sci*. [Case Report / Case Series]
Lateef S (2026). [PMID: 41836309](https://pubmed.ncbi.nlm.nih.gov/41836309/). *Case Rep Neurol*. [Case Report / Case Series]
Yao D (2026). [PMID: 42208570](https://pubmed.ncbi.nlm.nih.gov/42208570/). *Biomed Phys Eng Express*. [Basic Science / Preclinical]
Ye E (2026). [PMID: 41526775](https://pubmed.ncbi.nlm.nih.gov/41526775/). *Childs Nerv Syst*. [Review / Meta-Analysis]
Shao Y (2026). [PMID: 41262005](https://pubmed.ncbi.nlm.nih.gov/41262005/). *Adv Sci (Weinh)*. [Other]
Vossler DG (2026). [PMID: 42066484](https://pubmed.ncbi.nlm.nih.gov/42066484/). *Seizure*. [Review / Meta-Analysis]