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Bianchin, M.M. et al.

Bianchin, Capella, Chaves, Steindel, Grisard, Ganev, da Silva Júnior, Neto Evaldo, Poffo, Walz, Carlotti Júnior, Sakamoto,

Nasu-Hakola disease (polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy--PLOSL): a dementia associated with bone cystic lesions. From clinical to genetic and molecular aspects.

The authors review the clinical, radiological, electrophysiological, pathological, and molecular aspects of Nasu-Hakola disease (polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy or PLOSL). Nasu-Hakola disease is a unique disease characterized by multiple bone cysts associated with a peculiar form of neurodegeneration that leads to dementia and precocious death usually during the fifth decade of life. The diagnosis can be established on the basis of clinical and radiological findings. Recently, molecular analysis of affected families revealed mutations in the DAP12 (TYROBP) or TREM2 genes, providing an interesting example how mutations in two different subunits of a multi-subunit receptor complex result in an identical human disease phenotype. The association of PLOSL with mutations in the DAP12 or TREM2 genes has led to improved diagnosis of affected individuals. Also, the possible roles of the DAP12/TREM2 signaling pathway in microglia and osteoclasts in humans are just beginning to be elucidated. Some aspects of this peculiar signaling pathway are discussed here.[1]

References

Nasu-Hakola disease (polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy--PLOSL): a dementia associated with bone cystic lesions. From clinical to genetic and molecular aspects. Bianchin, M.M., Capella, H.M., Chaves, D.L., Steindel, M., Grisard, E.C., Ganev, G.G., da Silva Júnior, J.P., Neto Evaldo, S., Poffo, M.A., Walz, R., Carlotti Júnior, C.G., Sakamoto, A.C. Cell. Mol. Neurobiol. (2004) [Pubmed]

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