Abbreviation (ISO4): Chinese Journal of Alzheimer's Disease and Related Disorders
Editor in chief: Jun WANG
Chinese Journal of Alzheimer's Disease and Related Disorders >
A Family with frontotemporal dementia due to MAPT gene mutation
Received date: 2021-08-02
Revised date: 2021-09-15
Online published: 2021-12-25
Objective: To report a family with frontotemporal dementia (FTD)due to microtubule-associated protein tau (MAPT) gene mutation diagnosed by whole exon sequencing. Methods: The family history, neuropsychological assessment, neurological examination, radiological, and genetic findings were summarized.Results: The proband is a 58-year-old male, whose father and elder sister both died due to dementia at the age of over 60. He developed the age of 56 and presented with temper change, memory loss, reckless behavior, lack of compassion, repetitive movements and overeating, without body movement symptoms. The symptoms progressed gradually and was worsened after the treatment of donepezil. Brain MRI showed atrophy involving the bi—lateral frontal and temporal lobes, specially on the right side. By whole exon sequencing.the proband was found with the c.902C>T mutation in exon 9 of the MAPT gene, at position 301 resulting amino acid proline(P)instead of leucine(L).Conclusion: This family is diagnosed as frontotemporal dementia due to MAPT gene mutation.
Key words: Frontotemporal dementia; family disease; MAPT gene
CHEN Chun-chun , ZHU Fei-qi . A Family with frontotemporal dementia due to MAPT gene mutation[J]. Chinese Journal of Alzheimer's Disease and Related Disorders, 2021 , 4(4) : 306 -309 . DOI: 10.3969/j.issn.2096-5516.2021.04.010
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