CAMILA NASCIMENTO MANTELLI

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LIM/21 - Laboratório de Neuroimagem em Psiquiatria, Hospital das Clínicas, Faculdade de Medicina

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Autor: NITRINI, Ricardo × Revista / Livro: Alzheimer Disease & Associated Disorders ×

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  • article 0 Citação(ões) na Scopus
    Cause of Death Determined by Full-body Autopsy in Neuropathologically Diagnosed Dementias The Biobank for Aging Studies of the University of Sao Paulo (BAS-USP), Brazil
    (2022) NEVES, Beatriz Astolfi; NUNES, Paula Villela; RODRIGUEZ, Roberta Diehl; HAIDAR, Atmis Medeiros; LEITE, Renata Elaine Paraizo; NASCIMENTO, Camila; PASQUALUCCI, Carlos Augusto; NITRINI, Ricardo; JACOB-FILHO, Wilson; LAFER, Beny; GRINBERG, Lea Tenenholz
    Objective: This study aimed to compare causes of death in the most prevalent neuropathologically diagnosed dementias. Methods: We analyzed causes of death in a community-based cohort of participants aged 50 or older, submitted to full-body autopsy and a comprehensive neuropathologic examination of the brain. Individuals with Alzheimer disease (AD), vascular dementia (VaD), mixed dementia (AD+VaD), or dementia with Lewy bodies (DLBs) were compared with individuals with no dementia. Results: In a sample of 920 individuals, 456 had no dementia, 147 had AD, 120 had VaD, 53 had DLB, and 37 had AD+VaD. Pneumonia as the cause of death was more frequent in the AD (P= 0.023), AD+VaD (P= 0.046), and DLB (P= 0.043) groups. In addition, VaD (P= 0.041) and AD+VaD (P= 0.028) groups had a higher frequency of atherosclerosis as detected by full-body autopsy. Conclusion: Our findings highlight the importance of preventive measures regarding atherosclerosis and pneumonia in patients with dementia. Moreover, because of cognitive impairment, these patients may not fully account for symptoms to make early detection and diagnosis possible. These results confirm findings from previous studies that were based on clinical data, with added accuracy provided by neuropathologic diagnosis and full-body autopsy reports.
  • article 19 Citação(ões) na Scopus
    GRN and MAPT Mutations in 2 Frontotemporal Dementia Research Centers in Brazil
    (2016) TAKADA, Leonel T.; BAHIA, Valeria S.; GUIMARAES, Henrique C.; COSTA, Thais V. M. M.; VALE, Thiago C.; RODRIGUEZ, Roberta D.; PORTO, Fabio H. G.; MACHADO, Joao C. B.; BEATO, Rogerio G.; CESAR, Karolina G.; SMID, Jerusa; NASCIMENTO, Camila F.; GRINBERG, Lea T.; BRUCKI, Sonia M. D.; MAXIMINO, Jessica R.; CAMARGOS, Sarah T.; CHADI, Gerson; CARAMELLI, Paulo; NITRINI, Ricardo
    Background: Mutations in GRN (progranulin) and MAPT (microtubule-associated protein tau) are among the most frequent causes of monogenic frontotemporal dementia (FTD), but data on the frequency of these mutations in regions such as Latin America are still lacking. Objective: We aimed to investigate the frequencies of GRN and MAPT mutations in FTD cohorts from 2 Brazilian dementia research centers, the University of Sao Paulo and the Federal University of Minas Gerais medical schools. Methods: We included 76 probands diagnosed with behavioral-variant FTD (n = 55), semantic-variant Primary Progressive Aphasia (PPA) (n = 11), or nonfluent-variant PPA (n = 10). Twenty-five percent of the cohort had at least 1 relative affected with FTD. Results: Mutations in GRN were identified in 7 probands, and in MAPT, in 2 probands. We identified 3 novel GRN mutations (p.Q130X, p.317Afs*12, and p.K259Afs*23) in patients diagnosed with nonfluent-variant PPA or behavioral-variant FTD. Plasma progranulin levels were measured and a cutoff value of 70 ng/mL was found, with 100% sensitivity and specificity to detect null GRN mutations. Conclusions: The frequency of GRN mutations was 9.6% and that of MAPT mutations was 7.1%. Among familial cases of FTD, the frequency of GRN mutations was 31.5% and that of MAPT mutations was 10.5%.