Cited by 254Neurological diseases and metabolismNeuroinflammation and Neurodegeneration MechanismsDermatological and Skeletal Disorders

The genetic causes of basal ganglia calcification, dementia, and bone cysts: DAP12 and TREM2

Klünemann, H. H., Ridha, B. H., Magy, L., Wherrett, J. R., Hemelsoet, D. M., Keen, R. W., De Bleecker, J. L., Rossor, M. N. +4 more·2005·Neurology

Abstract

Background Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL), or Nasu-Hakola disease, is a presenile dementia associated with loss of myelin, basal ganglia calcification, and bone cysts. It is caused by recessively inherited mutations in two genes encoding subunits of a cell membrane-associated receptor complex: TREM2 and DAP12. The clinical course of PLOSL has not been characterized in a series of patients with TREM2 mutations. Methods The authors compare neurologic and neuroradiologic follow-up data of six patients carrying TREM2 mutations with PLOSL due to defective DAP12 genes. The authors review the known mutations in these two genes. Results Mutations in DAP12 and TREM2 result in a uniform disease phenotype. In Finnish and Japanese patients with PLOSL, DAP12 mutations predominate, whereas TREM2 is mutated more frequently elsewhere. Conclusions Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy should be considered in adult patients under age 50 years with dementia and basal ganglia calcification. Radiographs of ankles and wrists, and DNA test in uncertain cases, confirm the diagnosis.

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Crossref · 10.1212/01.wnl.0000160304.00003.ca

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Authors
Klünemann, H. H., Ridha, B. H., Magy, L., Wherrett, J. R., Hemelsoet, D. M., Keen, R. W., De Bleecker, J. L., Rossor, M. N., Marienhagen, J., Klein, H. E., Peltonen, L., & Paloneva, J.
Affiliations
  • From the Departments of Psychiatry and Psychotherapy (Drs. Klünemann and Klein) and Nuclear Medicine (Dr. Marienhagen), University of Regensburg School of Medicine, Germany; Dementia Research Centre (Drs. Ridha and Rossor), National Hospital for Neurology and Neurosurgery, London, UK; Neurology Service (Dr. Magy), Dupuytren University Hospital, Limoges, France; Division of Neurology (Dr. Wherrett), Toronto Western Hospital and University of Toronto, Ontario, Canada; Department of Neurology (Drs....
  • University of Toronto (CA)
Venue
Neurology
Published
2005-05-10
Volume
64
Issue
9
Pages
1502-1507
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W2111606353
Cited by
254
References
24
Citations by year
2026: 8 · 2025: 11 · 2024: 12 · 2023: 31 · 2022: 16 · 2021: 13 · 2020: 18 · 2019: 14 · 2018: 15 · 2017: 21 · 2016: 14 · 2015: 11 · 2014: 19 · 2013: 12 · 2012: 6
FWCI
3.02
Type
journal article
Language
en
Open access
closed
Locations
  • Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • University of Regensburg Publication Server (University of Regensburg) (acceptedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
  • DIAL (Catholic University of Leuven) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Dermatological and Skeletal Disorders
Keywords
Nasu-Hakola disease, basal ganglia calcification, dementia, bone cysts, demyelination, early-onset dementia, genetic diagnosis, Finnish patients, Japanese patients
MeSH terms
Adult, Age Factors, Alzheimer Disease, Ankle Joint, Basal Ganglia Diseases, Bone and Bones, Bone Cysts, Bone Diseases, Calcinosis, Diagnosis, Differential, DNA Mutational Analysis, Female, Follow-Up Studies, Genetic Testing, Humans, Magnetic Resonance Imaging, Male, Membrane Glycoproteins, Membrane Proteins, Mutation, Receptors, Immunologic, Syndrome, Tomography, X-Ray Computed, Wrist Joint, Disease Progression, Genetic Predisposition to Disease, Adaptor Proteins, Signal Transducing

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