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Acosta-Baena N, Lopera-Gómez CM, Jaramillo-Elorza MC, Velilla-Jiménez L, Villegas-Lanau CA, Sepúlveda-Falla D, Arcos-Burgos M, Lopera F. Early Depressive Symptoms Predict Faster Dementia Progression in Autosomal-Dominant Alzheimer's Disease. J Alzheimers Dis 2023; 92:911-923. [PMID: 36847011 DOI: 10.3233/jad-221294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
BACKGROUND Depression is associated with Alzheimer's disease (AD). OBJECTIVE To evaluate the association between depressive symptoms and age of onset of cognitive decline in autosomal dominant AD, and to determine possible factors associated to early depressive symptoms in this population. METHODS We conducted a retrospective study to identify depressive symptoms among 190 presenilin 1 (PSEN1) E280A mutation carriers, subjected to comprehensive clinical evaluations in up to a 20-year longitudinal follow-up. We controlled for the following potential confounders: APOE, sex, hypothyroidism, education, marital status, residence, tobacco, alcohol, and drug abuse. RESULTS PSEN1 E280A carriers with depressive symptoms before mild cognitive impairment (MCI) develop dementia faster than E280A carriers without depressive symptoms (Hazard Ratio, HR = 1.95; 95% CI, 1.15-3.31). Not having a stable partner accelerated the onset of MCI (HR = 1.60; 95 % CI, 1.03-2.47) and dementia (HR = 1.68; 95 % CI, 1.09-2.60). E280A carriers with controlled hypothyroidism had later age of onset of depressive symptoms (HR = 0.48; 95 % CI, 0.25-0.92), dementia (HR = 0.43; 95 % CI, 0.21-0.84), and death (HR = 0.35; 95 % CI, 0.13-0.95). APOEɛ2 significantly affected AD progression in all stages. APOE polymorphisms were not associate to depressive symptoms. Women had a higher frequency and developed earlier depressive symptoms than men throughout the illness (HR = 1.63; 95 % CI, 1.14-2.32). CONCLUSION Depressive symptoms accelerated progress and faster cognitive decline of autosomal dominant AD. Not having a stable partner and factors associated with early depressive symptoms (e.g., in females and individuals with untreated hypothyroidism), could impact prognosis, burden, and costs.
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Affiliation(s)
- Natalia Acosta-Baena
- Grupo de Neurociencias de Antioquia (GNA), Universidad de Antioquia, Medellín, Colombia
- Grupo de Genética Molecular (GENMOL), Universidad de Antioquia, Medellín, Colombia
| | - Carlos M Lopera-Gómez
- Escuela de estadística, Facultad de Ciencias, Universidad Nacional de Colombia, Medellín, Colombia
| | - Mario C Jaramillo-Elorza
- Escuela de estadística, Facultad de Ciencias, Universidad Nacional de Colombia, Medellín, Colombia
| | - Lina Velilla-Jiménez
- Grupo de Neurociencias de Antioquia (GNA), Universidad de Antioquia, Medellín, Colombia
| | | | - Diego Sepúlveda-Falla
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Mauricio Arcos-Burgos
- Instituto de Investigaciones Médicas, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- Grupo GIPSI, Departamento de Psiquiatría, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Francisco Lopera
- Grupo de Neurociencias de Antioquia (GNA), Universidad de Antioquia, Medellín, Colombia
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Perdomo VA, Ortega DC, Barreto G. Polymorphisms of apolipoprotein E in the Afro-descendant population of Buenaventura, Colombia. REVISTA COLOMBIANA DE PSIQUIATRIA (ENGLISH ED.) 2022; 51:99-104. [PMID: 35803688 DOI: 10.1016/j.rcpeng.2020.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 10/05/2020] [Indexed: 06/15/2023]
Abstract
OBJETIVES To estimate the frequency distribution, both allelic and genotypic, of the APOE gene in the Afro-descendant population of Buenaventura, Colombia. METHODS Three hundred and forty-eight Afro-descendant individuals were analysed and the APOE locus was genotyped by PCR-RFLP. The allelic and genotypic frequencies were established by direct counting and the Hardy-Weinberg equilibrium was evaluated through χ2 test. The frequencies obtained in this study were compared with frequencies reported for other Colombian populations through the Fisher's exact test. RESULTS The following allelic frequencies were observed: E3, 70.8%; E4, 21.4%, and E2, 7.8%. The genotypic frequencies were: E3/E3, 51.1%; E3/E4, 27.3%; E2/E3, 12.1%; E4/E4, 6%; E2/E4, 3.5%, and E2/E2, 0%. The entire examined population was found in Hardy-Weinberg equilibrium (P=.074), and significant differences were found in the allele E4 when comparing this population with the Amerindian and mestizo populations of Bogotá, Quindío, Centro-Oriente, Valle del Cauca, Barranquilla and Medellín (P≤ 0.0345). CONCLUSIONS The allelic frequencies observed in this study were significantly different from the frequencies reported in other Colombian populations. The high representativeness of the E4 and E2 alleles validates the hypothesis that there are micro-evolutionary processes that have been acting on their frequencies and could be associated with susceptibility to neuropsychiatric diseases such as Alzheimer's disease, metabolic alterations of fats and/or coronary artery disease.
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Affiliation(s)
- Vivian Andrea Perdomo
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia
| | - Diana Carolina Ortega
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia
| | - Guillermo Barreto
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia.
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Perdomo VA, Ortega DC, Barreto G. Polymorphisms of apolipoprotein E in the Afro-descendant population of Buenaventura, Colombia. REVISTA COLOMBIANA DE PSIQUIATRIA (ENGLISH ED.) 2020; 51:S0034-7450(20)30091-3. [PMID: 33735031 DOI: 10.1016/j.rcp.2020.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 10/05/2020] [Indexed: 06/12/2023]
Abstract
OBJETIVES To estimate the frequency distribution, both allelic and genotypic, of the APOE gene in the Afro-descendant population of Buenaventura, Colombia. METHODS Three hundred and forty-eight Afro-descendant individuals were analysed and the APOE locus was genotyped by PCR-RFLP. The allelic and genotypic frequencies were established by direct counting and the Hardy-Weinberg equilibrium was evaluated through χ2 test. The frequencies obtained in this study were compared with frequencies reported for other Colombian populations through the Fisher's exact test. RESULTS The following allelic frequencies were observed: E3, 70.8%; E4, 21.4%, and E2, 7.8%. The genotypic frequencies were: E3/E3, 51.1%; E3/E4, 27.3%; E2/E3, 12.1%; E4/E4, 6%; E2/E4, 3.5%, and E2/E2, 0%. The entire examined population was found in Hardy-Weinberg equilibrium (P=.074), and significant differences were found in the allele E4 when comparing this population with the Amerindian and mestizo populations of Bogotá, Quindío, Centro-Oriente, Valle del Cauca, Barranquilla and Medellín (P≤ 0.0345). CONCLUSIONS The allelic frequencies observed in this study were significantly different from the frequencies reported in other Colombian populations. The high representativeness of the E4 and E2 alleles validates the hypothesis that there are micro-evolutionary processes that have been acting on their frequencies and could be associated with susceptibility to neuropsychiatric diseases such as Alzheimer's disease, metabolic alterations of fats and/or coronary artery disease.
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Affiliation(s)
- Vivian Andrea Perdomo
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia
| | - Diana Carolina Ortega
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia
| | - Guillermo Barreto
- Grupo de Genética Molecular Humana, Departamento de Biología, Universidad del Valle, Cali, Colombia.
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Apolipoprotein E genotypes among diverse middle-aged and older Latinos: Study of Latinos-Investigation of Neurocognitive Aging results (HCHS/SOL). Sci Rep 2018; 8:17578. [PMID: 30546063 PMCID: PMC6292877 DOI: 10.1038/s41598-018-35573-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/07/2018] [Indexed: 01/04/2023] Open
Abstract
The apoE4 isoform is associated with increased cholesterol, cardiovascular risk, and Alzheimer’s Disease risk, however, its distribution is not well-understood among US Latinos. Latinos living in the US are highly Amerindian, European and African admixed, which varies by region and country of origin. However, Latino genetic diversity is understudied and consequently poorly understood, which has significant implications for understanding disease risk in nearly one-fifth of the US population. In this report we describe apoE distributions in a large and representative sample of diverse, genetically determined US Latinos.
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Zhong Z, Wu H, Wu H, Zhao P. Analysis of apolipoprotein E genetic polymorphism in a large ethnic Hakka population in southern China. Genet Mol Biol 2018; 41:742-749. [PMID: 30508003 PMCID: PMC6415608 DOI: 10.1590/1678-4685-gmb-2017-0301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 02/18/2018] [Indexed: 11/21/2022] Open
Abstract
There is currently no data about the genetic variations of APOE in Hakka population in China. The aim of this study was to analyze the allelic and genotypic frequencies of APOE gene polymorphisms in a large ethnic Hakka population in southern China. The APOE genes of 6,907 subjects were genotyped by the gene chip platform. The allele and genotype frequencies were analyzed. Results showed that the ∊3 allele had the greatest frequency (0.804) followed by ∊2 (0.102), and ∊4 (0.094), while genotype ∊3/∊3 accounted for 65.43% followed by ∊2/∊3 (15.85%), ∊3/∊4 (14.13%), ∊2/∊4 (3.01%), ∊4/∊4 (0.84%), and ∊2/∊2 (0.74%) in all subjects. The frequencies of the ∊4 allele in Chinese populations were lower than Mongolian and Javanese, while the frequencies of the ∊2 allele were higher and ∊4 allele lower than Japanese, Koreans, and Iranian compared with the geographically neighboring countries. The frequencies of ∊2 and ∊4 alleles in Hakka population were similar to the Vietnamese, Chinese-Shanghai, Chinese-Kunming Han and Chinese-Northeast, and French. The frequency of ∊2 in Hakka population was higher than Chinese-Dehong Dai and Chinese-Jinangsu Han. The low frequency of the APOE ∊4 allele may suggest a low genetic risk of Hakka population for cardiovascular disease, Alzheimer's disease, and other diseases.
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Affiliation(s)
- Zhixiong Zhong
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Heming Wu
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Hesen Wu
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Pingsen Zhao
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Clinical Core Laboratory, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
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Summaries of plenary, symposia, and oral sessions at the XXII World Congress of Psychiatric Genetics, Copenhagen, Denmark, 12-16 October 2014. Psychiatr Genet 2015; 26:1-47. [PMID: 26565519 DOI: 10.1097/ypg.0000000000000112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The XXII World Congress of Psychiatric Genetics, sponsored by the International Society of Psychiatric Genetics, took place in Copenhagen, Denmark, on 12-16 October 2014. A total of 883 participants gathered to discuss the latest findings in the field. The following report was written by student and postdoctoral attendees. Each was assigned one or more sessions as a rapporteur. This manuscript represents topics covered in most, but not all of the oral presentations during the conference, and contains some of the major notable new findings reported.
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