A case of familial frontotemporal dementia caused by a progranulin gene mutation.

A case of familial frontotemporal dementia caused by a progranulin gene mutation.
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颗粒蛋白前体基因突变致家族性额颞叶痴呆1例。

DOI:
10.1016/j.prdoa.2023.100213
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发表时间:
2023
期刊:
CLINICAL PARKINSONISM & RELATED DISORDERS
影响因子:
--
通讯作者:
Pantelyat, Alexander
Pantelyat, Alexander
中科院分区:
其他
文献类型:
--
作者:
Currens, Lauryn;Harrison, Nigel;Schmidt, Maria;Amjad, Halima;Mu, Weiyi;Scholz, Sonja W.;Bang, Jee;Pantelyat, Alexander

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在20-25%的家族性∼病例中,GRN基因突变是导致FTD的原因。GRN-FTD症状包括:bvFTD或PPA变异,以及并发帕金森病。具有单一变异GRN-FTD的多个世代可以有不同的表现形式。继阿尔茨海默病之后,额颞叶痴呆(FTD)是导致早发性痴呆的最常见原因。在家族性FTD中已经发现了几种基因突变,其中原颗粒(GRN)突变约占家族性FTD病例的20%-25%,约占总FTD病例的10%。我们报告一位患有非典型帕金森氏症的家族性FTD患者,他被发现患有GRN额颞叶痴呆(GRN-FTD),并伴有致病剪接位点突变(C.709-2A)和显著的家庭成员表型异质性。
GRN mutations are responsible for ∼20–25% of familial FTD cases. GRN-FTD symptoms include: BvFTD or PPA variant, as well as concurrent parkinsonism. Multiple generations with single variant GRN-FTD can have variable presentations. After Alzheimer’s disease, Frontotemporal dementia (FTD) is the most common cause of early-onset dementia. Several genetic mutations have been identified in familial FTD, with mutations in progranulin (GRN) accounting for approximately 20–25% of familial FTD cases and about 10% of total FTD cases. We report the case of a familial FTD patient with atypical parkinsonism who was found to have GRN frontotemporal dementia (GRN-FTD) with a pathogenic splice site mutation (c.709-2A > G) and notable phenotypic heterogeneity among family members.
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