Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis

Smith KR, Dahl H-HM, Canafoglia L, Andermann E, Damiano J, Morbin M, Bruni AC, Giaccone G, Cossette P, Saftig P, Grotzinger J, et al. (2013)
Human Molecular Genetics 22(7): 1417-1423.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Smith, K. R.; Dahl, H.-H. M.; Canafoglia, L.; Andermann, E.; Damiano, J.; Morbin, M.; Bruni, A. C.; Giaccone, G.; Cossette, P.; Saftig, P.; Grotzinger, J.; Schwake, MichaelUniBi
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Abstract / Bemerkung
Kufs disease, an adult-onset neuronal ceroid lipofuscinosis, is challenging to diagnose and genetically heterogeneous. Mutations in CLN6 were recently identified in recessive Kufs disease presenting as progressive myoclonus epilepsy (Type A), whereas the molecular basis of cases presenting with dementia and motor features (Type B) is unknown. We performed genome-wide linkage mapping of two families with recessive Type B Kufs disease and identified a single region on chromosome 11 to which both families showed linkage. Exome sequencing of five samples from the two families identified homozygous and compound heterozygous missense mutations in CTSF within this linkage region. We subsequently sequenced CTSF in 22 unrelated individuals with suspected recessive Kufs disease, and identified an additional patient with compound heterozygous mutations. CTSF encodes cathepsin F, a lysosomal cysteine protease, dysfunction of which is a highly plausible candidate mechanism for a storage disorder like ceroid lipofuscinosis. In silico modeling suggested the missense mutations would alter protein structure and function. Moreover, re-examination of a previously published mouse knockout of Ctsf shows that it recapitulates the light and electron-microscopic pathological features of Kufs disease. Although CTSF mutations account for a minority of cases of type B Kufs, CTSF screening should be considered in cases with early-onset dementia and may avoid the need for invasive biopsies.
Erscheinungsjahr
2013
Zeitschriftentitel
Human Molecular Genetics
Band
22
Ausgabe
7
Seite(n)
1417-1423
ISSN
0964-6906
eISSN
1460-2083
Page URI
https://pub.uni-bielefeld.de/record/2953336

Zitieren

Smith KR, Dahl H-HM, Canafoglia L, et al. Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis. Human Molecular Genetics. 2013;22(7):1417-1423.
Smith, K. R., Dahl, H. - H. M., Canafoglia, L., Andermann, E., Damiano, J., Morbin, M., Bruni, A. C., et al. (2013). Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis. Human Molecular Genetics, 22(7), 1417-1423. https://doi.org/10.1093/hmg/dds558
Smith, K. R., Dahl, H. - H. M., Canafoglia, L., Andermann, E., Damiano, J., Morbin, M., Bruni, A. C., Giaccone, G., Cossette, P., Saftig, P., et al. (2013). Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis. Human Molecular Genetics 22, 1417-1423.
Smith, K.R., et al., 2013. Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis. Human Molecular Genetics, 22(7), p 1417-1423.
K.R. Smith, et al., “Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis”, Human Molecular Genetics, vol. 22, 2013, pp. 1417-1423.
Smith, K.R., Dahl, H.-H.M., Canafoglia, L., Andermann, E., Damiano, J., Morbin, M., Bruni, A.C., Giaccone, G., Cossette, P., Saftig, P., Grotzinger, J., Schwake, M., Andermann, F., Staropoli, J.F., Sims, K.B., Mole, S.E., Franceschetti, S., Alexander, N.A., Cooper, J.D., Chapman, H.A., Carpenter, S., Berkovic, S.F., Bahlo, M.: Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis. Human Molecular Genetics. 22, 1417-1423 (2013).
Smith, K. R., Dahl, H.-H. M., Canafoglia, L., Andermann, E., Damiano, J., Morbin, M., Bruni, A. C., Giaccone, G., Cossette, P., Saftig, P., Grotzinger, J., Schwake, Michael, Andermann, F., Staropoli, J. F., Sims, K. B., Mole, S. E., Franceschetti, S., Alexander, N. A., Cooper, J. D., Chapman, H. A., Carpenter, S., Berkovic, S. F., and Bahlo, M. “Cathepsin F mutations cause Type B Kufs disease, an adult-onset neuronal ceroid lipofuscinosis”. Human Molecular Genetics 22.7 (2013): 1417-1423.

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