Genetics of frontotemporal dementia in China
Backgbround: Frontotemporal dementia (FTD) is the second most common presenile dementia, characterized by prominent behavioral, language, and cognitive impairment, which has a strong genetic component contributing to its pathogenesis. Due to geographical and ethnic variability, the prevalence of the causative genes of FTD may be different. Methods: To explore the genetics of FTD in the Chinese population, we reviewed 97 closely related studies that were searched in PubMed and Web of Science. In this review, we summarized the characteristics of each FTD gene. We also reassessed their pathogenicity and revised some mutations from pathogenic to uncertain significance according to the American College of Medical Genetics and Genomics (ACMG). Results: Thirty-two rare variants in genes of MAPT, GRN, C9orf72, CHCHD10, VCP, and TBK1 were identified in Chinese FTD populations, including 25 pathogenic mutations and seven variants of uncertain significance (VUS). Among them, the frequency of rare variants in the CHCHD10 gene was the highest. Surprisingly, twelve variants reported as pathogenic mutations were revised as VUS by ACMG. The correlations between genes and clinical manifestations were MAPT and frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17), GRN and frontotemporal lobar degeneration with TDP-43 proteinopathy (FTLD-TDP), C9orf72/CHCHD10/TBK1 and amyotrophic lateral sclerosis (ALS)-FTD spectrum, and VCP corresponds inclusion body myopathy associated with Paget disease of bone and frontotemporal dementia (IBMPFD). Conclusions: It is necessary to strictly interpret the contributions of genes to diseases by ACMG. MAPT is the most common pathogenic gene for FTD in China.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Amyotrophic lateral sclerosis & frontotemporal degeneration - 22(2021), 5-6 vom: 04. Aug., Seite 321-335 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jiang, Yaling [VerfasserIn] |
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| Links: |
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| Themen: |
Amyotrophic lateral sclerosis |
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| Anmerkungen: |
Date Completed 25.08.2021 Date Revised 25.08.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/21678421.2021.1880596 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM320989380 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Backgbround: Frontotemporal dementia (FTD) is the second most common presenile dementia, characterized by prominent behavioral, language, and cognitive impairment, which has a strong genetic component contributing to its pathogenesis. Due to geographical and ethnic variability, the prevalence of the causative genes of FTD may be different. Methods: To explore the genetics of FTD in the Chinese population, we reviewed 97 closely related studies that were searched in PubMed and Web of Science. In this review, we summarized the characteristics of each FTD gene. We also reassessed their pathogenicity and revised some mutations from pathogenic to uncertain significance according to the American College of Medical Genetics and Genomics (ACMG). Results: Thirty-two rare variants in genes of MAPT, GRN, C9orf72, CHCHD10, VCP, and TBK1 were identified in Chinese FTD populations, including 25 pathogenic mutations and seven variants of uncertain significance (VUS). Among them, the frequency of rare variants in the CHCHD10 gene was the highest. Surprisingly, twelve variants reported as pathogenic mutations were revised as VUS by ACMG. The correlations between genes and clinical manifestations were MAPT and frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17), GRN and frontotemporal lobar degeneration with TDP-43 proteinopathy (FTLD-TDP), C9orf72/CHCHD10/TBK1 and amyotrophic lateral sclerosis (ALS)-FTD spectrum, and VCP corresponds inclusion body myopathy associated with Paget disease of bone and frontotemporal dementia (IBMPFD). Conclusions: It is necessary to strictly interpret the contributions of genes to diseases by ACMG. MAPT is the most common pathogenic gene for FTD in China | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
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| 650 | 4 | |a amyotrophic lateral sclerosis | |
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