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Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon Beck, Thomas E. F. Webb, Tracy A. Campbell, Jacqueline M. Linehan, Melanie Desbruslais, Susan Joiner, Jonathan D. F. Wadsworth, Andrew King, Peter Lantos, and John Collinge Brain Volume 129(9):2297-2317 August 21, 2006 © The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]
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Page 1: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic

heterogeneity

by Simon Mead, Mark Poulter, Jon Beck, Thomas E. F. Webb, Tracy A. Campbell, Jacqueline M. Linehan, Melanie Desbruslais, Susan Joiner, Jonathan D. F.

Wadsworth, Andrew King, Peter Lantos, and John Collinge

BrainVolume 129(9):2297-2317

August 21, 2006

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 2: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Linked microsatellite haplotypes on chromosome 20.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 3: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

The UK 6-OPRI prion disease pedigree The smaller pedigree 2 shares the same microsatellite and SNP haplotype background as the larger pedigree.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 4: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

(A) Cumulative age of onset and age at death curves; (B) cumulative age of onset curves for the two genotypes at codon 129.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 5: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

(A) Age at onset and (B) age at death histograms with curves modelling the data assuming a normal distribution.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 6: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Of historical interest is an autopsy report of an individual in the pedigree (III.5) who was admitted in 1897 and died in 1901.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 7: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

MRI appearances of 6-OPRI prion disease These show cerebral and cerebellar atrophy (A) Coronal T1 at the level of the hippocampus, (B) Axial T2 at the level of the basal ganglia and (C)

Sagittal T1 (all from patient VII.20).

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 8: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Neuropathology from two autopsy cases of 6-OPRI prion disease.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 9: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Pearson correlation of age of onset versus duration of disease.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 10: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Kaplan–Meier survival curves.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 11: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Molecular PrPSc typing in 6-OPRI prion disease (A) Immunoblot with anti-PrP monoclonal antibody 3F4.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]

Page 12: Inherited prion disease with six octapeptide repeat insertional mutation—molecular analysis of phenotypic heterogeneity by Simon Mead, Mark Poulter, Jon.

Heritability of age of onset.

Simon Mead et al. Brain 2006;129:2297-2317

© The Author (2006). Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]


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