Movement Disorders (revue)

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Clinical and Pathological Characteristics of Patients with Leucine-Rich Repeat Kinase-2 Mutations

Identifieur interne : 002428 ( Ncbi/Checkpoint ); précédent : 002427; suivant : 002429

Clinical and Pathological Characteristics of Patients with Leucine-Rich Repeat Kinase-2 Mutations

Auteurs : Jason P. Covy [États-Unis] ; Wuxing Yuan [États-Unis] ; Elisa A. Waxman [États-Unis] ; Howard I. Hurtig [États-Unis] ; Vivianna M. Van Deerlin [États-Unis] ; Benoit I. Giasson [États-Unis]

Source :

RBID : PMC:2634827

English descriptors

Abstract

Mutations in LRRK2 are the single most common known cause of Parkinson's disease (PD). Two new PD patients with LRRK2 mutation were identified from a cohort with extensive post-mortem assessment. One of these patients harbors the R793M mutation and presented with the typical clinical and pathological features of PD. A novel L1165P mutation was identified in a second patient. This patient had the classical and pathological features of PD, but additionally developed severe neuropsychological symptoms and dementia associated with abundant neurofibrillary tangles in the hippocampal formation; features consistent with a secondary diagnosis of tangle-predominant dementia. α-Synuclein-containing pathological inclusions in these patients also were highly phosphorylated at Ser-129, similar to other patients with idiopathic PD. These two PD patients also were characterized by the presence of occasional cytoplasmic TDP-43 inclusions in the temporal cortex, a finding that was not observed in three other patients with the G2019S mutation in LRRK2. These findings extend the clinical and pathological features that may be associated with LRRK2 mutations.


Url:
DOI: 10.1002/mds.22096
PubMed: 19006185
PubMed Central: 2634827


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PMC:2634827

Le document en format XML

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<term>DNA Mutational Analysis</term>
<term>Female</term>
<term>Genes, Dominant</term>
<term>Hippocampus (pathology)</term>
<term>Humans</term>
<term>Inclusion Bodies (chemistry)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Molecular Sequence Data</term>
<term>Mutation, Missense</term>
<term>Neurofibrillary Tangles</term>
<term>Parkinson Disease (genetics)</term>
<term>Parkinson Disease (pathology)</term>
<term>Parkinson Disease (psychology)</term>
<term>Parkinsonian Disorders (genetics)</term>
<term>Parkinsonian Disorders (pathology)</term>
<term>Parkinsonian Disorders (psychology)</term>
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<term>Phosphoserine (analysis)</term>
<term>Point Mutation</term>
<term>Protein Processing, Post-Translational</term>
<term>Protein-Serine-Threonine Kinases (chemistry)</term>
<term>Protein-Serine-Threonine Kinases (genetics)</term>
<term>Protein-Serine-Threonine Kinases (physiology)</term>
<term>Sequence Alignment</term>
<term>Sequence Homology, Amino Acid</term>
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<term>DNA Mutational Analysis</term>
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<term>Genes, Dominant</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Molecular Sequence Data</term>
<term>Mutation, Missense</term>
<term>Neurofibrillary Tangles</term>
<term>Phosphorylation</term>
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<front>
<div type="abstract" xml:lang="en">
<p id="P1">Mutations in
<italic>LRRK2</italic>
are the single most common known cause of Parkinson's disease (PD). Two new PD patients with
<italic>LRRK2</italic>
mutation were identified from a cohort with extensive post-mortem assessment. One of these patients harbors the R793M mutation and presented with the typical clinical and pathological features of PD. A novel L1165P mutation was identified in a second patient. This patient had the classical and pathological features of PD, but additionally developed severe neuropsychological symptoms and dementia associated with abundant neurofibrillary tangles in the hippocampal formation; features consistent with a secondary diagnosis of tangle-predominant dementia. α-Synuclein-containing pathological inclusions in these patients also were highly phosphorylated at Ser-129, similar to other patients with idiopathic PD. These two PD patients also were characterized by the presence of occasional cytoplasmic TDP-43 inclusions in the temporal cortex, a finding that was not observed in three other patients with the G2019S mutation in LRRK2. These findings extend the clinical and pathological features that may be associated with
<italic>LRRK2</italic>
mutations.</p>
</div>
</front>
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<region name="Pennsylvanie">
<name sortKey="Covy, Jason P" sort="Covy, Jason P" uniqKey="Covy J" first="Jason P." last="Covy">Jason P. Covy</name>
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<name sortKey="Hurtig, Howard I" sort="Hurtig, Howard I" uniqKey="Hurtig H" first="Howard I." last="Hurtig">Howard I. Hurtig</name>
<name sortKey="Van Deerlin, Vivianna M" sort="Van Deerlin, Vivianna M" uniqKey="Van Deerlin V" first="Vivianna M." last="Van Deerlin">Vivianna M. Van Deerlin</name>
<name sortKey="Waxman, Elisa A" sort="Waxman, Elisa A" uniqKey="Waxman E" first="Elisa A." last="Waxman">Elisa A. Waxman</name>
<name sortKey="Yuan, Wuxing" sort="Yuan, Wuxing" uniqKey="Yuan W" first="Wuxing" last="Yuan">Wuxing Yuan</name>
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