Yayınlanmış 1 Ocak 2021
| Sürüm v1
Dergi makalesi
Açık
Frequency of frontotemporal dementia-related gene variants in Turkey
Oluşturanlar
- 1. Eskisehir Osmangazi Univ, Dept Med Genet, Eskisehir, Turkey
- 2. Istanbul Univ, Dept Neurol, Istanbul, Turkey
- 3. Istanbul Atlas Univ, Dept Neurol, Fac Med, Istanbul, Turkey
- 4. Alt Nbas Univ, Vocat Sch Hlth Serv Oral & Dent Hlth, Istanbul, Turkey
- 5. Istanbul Univ, Dept Med Genet, Istanbul, Turkey
Açıklama
Just as its clinical heterogeneity, genetic basis of Frontotemporal dementia (FTD) is also diverse and multiple molecular pathways are thought to be involved in disease pathogenesis. In the present study, FTD-related genes were evaluated in a Turkish cohort of 175 index FTD patients with a gene panel including GRN, MAPT, TARDBP, FUS, CHMP2B and VCP genes. Potential genetic associations were prospected in 16 patients (9.1%); five variants (p.(Gly35Glufs) and p.(Cys253Ter) in GRN; p.(Arg95Cys) in VCP; p.(Met405Val) in TARDBP and p.(Pro636Leu) in MAPT) were classified as pathogenic (P) or likely pathogenic (LP), in four familial and one sporadic patients. Three novel variants in MAPT, CHMP2B and FUS were also identified in familial cases. The most common pathogenic variants were observed in the GRN gene with a frequency of 1.14% (2/175) and this rate was 4.57% (8/175), including variants of uncertain significance (VUS). In this study with the largest cohort of Turkish FTD patients, GRN and MAPT variants were identified as the most common genetic associations; and rare causes like VCP, TARDBP, CHMP2B and FUS variants are recommended to be considered in patients with compatible clinical findings. (C) 2021 Elsevier Inc. All rights reserved.
Dosyalar
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