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Any autosomal recessive malignant osteopetrosis in which the cause of the disease is a mutation in the PLEKHM1 gene.
Features include always present findings: Osteopetrosis and Cortical sclerosis of the iliac wing; and very common findings: Abnormality of bone mineral density. 24 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 9 | Osteopetrosis, Erlenmeyer flask deformity of the femurs, Abnormality of bone mineral density |
Brain and nerves | 3 | Nervous system problems (abnormality of the nervous system), Cranial nerve compression, Optic atrophy from cranial nerve compression |
Eyes | 2 | Visual impairment, Optic atrophy from cranial nerve compression |
Blood and immune system | 1 | Low red blood cell count (anemia) |
Lab test results | 1 | Elevated circulating alkaline phosphatase concentration |
Digestive system | 1 | Hepatosplenomegaly |
Muscles | 1 | Optic atrophy from cranial nerve compression |
Age of onset: infancy.
PLEKHM1 function has not been fully characterized.
Autosomal recessive osteopetrosis 6 has been associated with mutations in the PLEKHM1 gene on chromosome 17.
Genetic testing for PLEKHM1 is available. Testing is considered supportive for diagnosis.
Biomarker and diagnostic research for autosomal recessive osteopetrosis 6 has been reported in the published literature.
Phenotype severity distribution: 2 always present features, 1 very common feature, 8 common features.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for autosomal recessive osteopetrosis 6.
13 publications have been identified in PubMed for autosomal recessive osteopetrosis 6. Research spans Case Report / Case Series (31%), Review / Meta-Analysis (23%), and Basic Science / Preclinical (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 4 | 31% |
Research summaries | 3 | 23% |
Laboratory research | 2 | 15% |
Other research | 1 | 8% |
Testing and diagnosis research | 1 | 8% |
Disease patterns and progression | 1 | 8% |
New treatment approaches | 1 | 8% |
Bailey JR (2026). [PMID: 32491461](https://pubmed.ncbi.nlm.nih.gov/32491461/). *Unknown Journal*. [Review / Meta-Analysis]
Najdanović JG (2026). [PMID: 42131975](https://pubmed.ncbi.nlm.nih.gov/42131975/). *Hum Gene Ther*. [Review / Meta-Analysis]
Ackah SA (2025). [PMID: 41277893](https://pubmed.ncbi.nlm.nih.gov/41277893/). *Bone reports*. [Epidemiology / Natural History]
Jiang J (2025). [PMID: 40694017](https://pubmed.ncbi.nlm.nih.gov/40694017/). *International journal of surgery (London, England)*. [Gene Therapy / Novel Therapeutics]
Liu M (2025). [PMID: 39994654](https://pubmed.ncbi.nlm.nih.gov/39994654/). *BMC medical genomics*. [Case Report / Case Series]
Abdulsalam TA (2025). [PMID: 40625472](https://pubmed.ncbi.nlm.nih.gov/40625472/). *Cureus*. [Case Report / Case Series]
Hou F (2025). [PMID: 41305810](https://pubmed.ncbi.nlm.nih.gov/41305810/). *Medicine*. [Basic Science / Preclinical]
Funck-Brentano T (2024). [PMID: 38593953](https://pubmed.ncbi.nlm.nih.gov/38593953/). *European journal of medical genetics*. [Other]
Shamsian BS (2024). [PMID: 38655726](https://pubmed.ncbi.nlm.nih.gov/38655726/). *Pediatric transplantation*. [Case Report / Case Series]
Das BK (2024). [PMID: 38586475](https://pubmed.ncbi.nlm.nih.gov/38586475/). *JBMR plus*. [Review / Meta-Analysis]
Data assembled from 7 of 12 sources · Last updated Sep 20, 2026, 8:41 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center