当前位置： SCI文献检索 > JOURNAL OF THE NEUROLOGICAL SCIENCES期刊下所有文献 > Progranulin plasma levels as potential biomarker for the identification of GRN deletion carriers. A case with atypical onset as clinical amnestic Mild Cognitive Impairment converted to Alzheimer's disease.

Progranulin plasma levels as potential biomarker for the identification of GRN deletion carriers. A case with atypical onset as clinical amnestic Mild Cognitive Impairment converted to Alzheimer's disease.

Abstract：

:Progranulin (GRN) mutations are associated with different clinical phenotypes, including Frontotemporal Lobar Degeneration (FTLD), Corticobasal Degeneration and Alzheimer's disease (AD). In addition, the range of age at onset is very wide and patients presenting initial symptoms around eighty years have been described. Previous studies demonstrated that progranulin plasma levels determination may be a reliable method to identify GRN deletion carriers. We thus evaluated progranulin plasma levels in all patients followed at our Alzheimer's Centre whose plasma was available (n=176) and found four patients displaying low values. Three of them carried the CACT deletion in exon 7 and their clinical diagnosis was behavioral variant Frontotemporal Dementia. We also identified a patient carrying a previously reported CAGT deletion in exon 5. Here, we report on this case. The onset of symptoms was at 77 years and the initial diagnosis was of amnestic Mild Cognitive Impairment (aMCI), which converted to AD six months later. In the following years, the patient also developed behavioral disturbances, gait apraxia and parkinsonian symptoms. At present, she is 84 years old and is still followed-up periodically. This case confirms progranulin plasma levels as a reliable biomarker to identify GRN deletion carriers and discriminate between FTLD and other dementias which may mimic it. We thus encourage the inclusion of this non-invasive and easy test in clinical practice.

journal_name

J Neurol Sci

journal_title

Journal of the neurological sciences

authors

Carecchio M,Fenoglio C,De Riz M,Guidi I,Comi C,Cortini F,Venturelli E,Restelli I,Cantoni C,Bresolin N,Monaco F,Scarpini E,Galimberti D

doi

10.1016/j.jns.2009.07.011

subject

Has Abstract

pub_date

2009-12-15 00:00:00

pages

291-3

issue

1-2

eissn

0022-510X

issn

1878-5883

pii

S0022-510X(09)00706-0

journal_volume

287

pub_type

杂志文章

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