Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene

Genetic Creutzfeldt–Jakob disease (gCJD) associated with the V180I mutation in the prion protein (PrP) gene (<i>PRNP</i>) in phase with residue 129M is the most frequent cause of gCJD in East Asia, whereas it is quite uncommon in Caucasians. We report on a gCJD patient with the rare V180...

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Main Authors: Gianluigi Zanusso, Elisa Colaizzo, Anna Poleggi, Carlo Masullo, Raffaello Romeo, Sergio Ferrari, Matilde Bongianni, Michele Fiorini, Dorina Tiple, Luana Vaianella, Marco Sbriccoli, Flavia Porreca, Michele Equestre, Maurizio Pocchiari, Franco Cardone, Anna Ladogana
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:International Journal of Molecular Sciences
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Online Access:https://www.mdpi.com/1422-0067/23/18/10210
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author Gianluigi Zanusso
Elisa Colaizzo
Anna Poleggi
Carlo Masullo
Raffaello Romeo
Sergio Ferrari
Matilde Bongianni
Michele Fiorini
Dorina Tiple
Luana Vaianella
Marco Sbriccoli
Flavia Porreca
Michele Equestre
Maurizio Pocchiari
Franco Cardone
Anna Ladogana
author_facet Gianluigi Zanusso
Elisa Colaizzo
Anna Poleggi
Carlo Masullo
Raffaello Romeo
Sergio Ferrari
Matilde Bongianni
Michele Fiorini
Dorina Tiple
Luana Vaianella
Marco Sbriccoli
Flavia Porreca
Michele Equestre
Maurizio Pocchiari
Franco Cardone
Anna Ladogana
author_sort Gianluigi Zanusso
collection DOAJ
description Genetic Creutzfeldt–Jakob disease (gCJD) associated with the V180I mutation in the prion protein (PrP) gene (<i>PRNP</i>) in phase with residue 129M is the most frequent cause of gCJD in East Asia, whereas it is quite uncommon in Caucasians. We report on a gCJD patient with the rare V180I-129V haplotype, showing an unusually long duration of the disease and a characteristic pathological PrP (PrP<sup>Sc</sup>) glycotype. Family members carrying the mutation were fully asymptomatic, as commonly observed with this mutation. Neuropathological examination showed a lesion pattern corresponding to that commonly reported in Japanese V180I cases with vacuolization and gliosis of the cerebral cortexes, olfactory areas, hippocampus and amygdala. PrP was deposited with a punctate, synaptic-like pattern in the cerebral cortex, amygdala and olfactory tract. Western blot analyses of proteinase-K-resistant PrP showed the characteristic two-banding pattern of V180I gCJD, composed of mono- and un-glycosylated isoforms. In line with reports on other V180I cases in the literature, Real-Time Quaking Induced Conversion (RT-QuIC) analyses did not demonstrate the presence of seeding activity in the cerebrospinal fluid and olfactory mucosa, suggesting that this haplotype also may result in a reduced seeding efficiency of the pathological PrP. Further studies are required to understand the origin, penetrance, disease phenotype and transmissibility of 180I-129V haplotype in Caucasians.
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spelling doaj.art-d9c083d816cb4166ade3f9c43dd04b422023-11-23T16:37:40ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-09-0123181021010.3390/ijms231810210Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein GeneGianluigi Zanusso0Elisa Colaizzo1Anna Poleggi2Carlo Masullo3Raffaello Romeo4Sergio Ferrari5Matilde Bongianni6Michele Fiorini7Dorina Tiple8Luana Vaianella9Marco Sbriccoli10Flavia Porreca11Michele Equestre12Maurizio Pocchiari13Franco Cardone14Anna Ladogana15Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Catholic University of the Sacred Heart, 00168 Rome, ItalyUnit of Otolaryngology, Clinica Nuova Itor Rome, 00158 Rome, ItalyDepartment of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, ItalyDepartment of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, ItalyDepartment of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyDepartment of Neuroscience, Istituto Superiore di Sanità, 00161 Rome, ItalyGenetic Creutzfeldt–Jakob disease (gCJD) associated with the V180I mutation in the prion protein (PrP) gene (<i>PRNP</i>) in phase with residue 129M is the most frequent cause of gCJD in East Asia, whereas it is quite uncommon in Caucasians. We report on a gCJD patient with the rare V180I-129V haplotype, showing an unusually long duration of the disease and a characteristic pathological PrP (PrP<sup>Sc</sup>) glycotype. Family members carrying the mutation were fully asymptomatic, as commonly observed with this mutation. Neuropathological examination showed a lesion pattern corresponding to that commonly reported in Japanese V180I cases with vacuolization and gliosis of the cerebral cortexes, olfactory areas, hippocampus and amygdala. PrP was deposited with a punctate, synaptic-like pattern in the cerebral cortex, amygdala and olfactory tract. Western blot analyses of proteinase-K-resistant PrP showed the characteristic two-banding pattern of V180I gCJD, composed of mono- and un-glycosylated isoforms. In line with reports on other V180I cases in the literature, Real-Time Quaking Induced Conversion (RT-QuIC) analyses did not demonstrate the presence of seeding activity in the cerebrospinal fluid and olfactory mucosa, suggesting that this haplotype also may result in a reduced seeding efficiency of the pathological PrP. Further studies are required to understand the origin, penetrance, disease phenotype and transmissibility of 180I-129V haplotype in Caucasians.https://www.mdpi.com/1422-0067/23/18/10210Creutzfeldt–Jakob diseaseprion diseaseneuropathologyprion proteinVal180Ile mutationRT-QuIC assay
spellingShingle Gianluigi Zanusso
Elisa Colaizzo
Anna Poleggi
Carlo Masullo
Raffaello Romeo
Sergio Ferrari
Matilde Bongianni
Michele Fiorini
Dorina Tiple
Luana Vaianella
Marco Sbriccoli
Flavia Porreca
Michele Equestre
Maurizio Pocchiari
Franco Cardone
Anna Ladogana
Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
International Journal of Molecular Sciences
Creutzfeldt–Jakob disease
prion disease
neuropathology
prion protein
Val180Ile mutation
RT-QuIC assay
title Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
title_full Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
title_fullStr Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
title_full_unstemmed Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
title_short Biochemical and Neuropathological Findings in a Creutzfeldt–Jakob Disease Patient with the Rare Val180Ile-129Val Haplotype in the Prion Protein Gene
title_sort biochemical and neuropathological findings in a creutzfeldt jakob disease patient with the rare val180ile 129val haplotype in the prion protein gene
topic Creutzfeldt–Jakob disease
prion disease
neuropathology
prion protein
Val180Ile mutation
RT-QuIC assay
url https://www.mdpi.com/1422-0067/23/18/10210
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