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Besin V, Martriano Humardani F, Thalia Mulyanata L. Neurogenomics of Alzheimer's Disease (AD): An Asian Population Review. Clin Chim Acta 2023; 546:117389. [PMID: 37211175 DOI: 10.1016/j.cca.2023.117389] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/09/2023] [Accepted: 05/09/2023] [Indexed: 05/23/2023]
Abstract
Alzheimer's disease (AD) is on the rise worldwide. Generally, AD is considered neurodegenerative when the production and clearance of amyloid-β (Aβ) are imbalanced. Recent research on genome-wide association studies (GWAS) has been explosive; GWAS indicates a relationship between single nucleotide polymorphism (SNP) and AD. GWAS also reveals ethnic differences between Caucasians and Asians. This indicates that pathogenesis between ethnic groups is distinct. According to current scientific knowledge, AD is a disease with a complex pathogenesis that includes impaired neuronal cholesterol regulation, immunity regulation, neurotransmitters regulation, Aβ clearance, Aβ production, and vascular regulation. Here, we demonstrate the pathogenesis of AD in an Asian population and the SNP risk of AD for future AD screening before onset. According to our knowledge, this is the first review of Alzheimer's disease to demonstrate the pathogenesis of AD based on SNP in an Asian population.
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Affiliation(s)
- Valentinus Besin
- Faculty of Medicine, University of Surabaya, Surabaya 60292, Indonesia.
| | - Farizky Martriano Humardani
- Faculty of Medicine, University of Surabaya, Surabaya 60292, Indonesia; Magister in Biomedical Science Program, Faculty of Medicine Universitas Brawijaya, Malang 65112, Indonesia
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IL-6, IL-8 and IL-10 polymorphisms may impact predisposition of Alzheimer's disease: a meta-analysis. Acta Neurol Belg 2021; 121:1505-1512. [PMID: 32399737 DOI: 10.1007/s13760-020-01369-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 04/28/2020] [Indexed: 12/14/2022]
Abstract
Gene polymorphisms in interleukin-6 (IL-6), interleukin-8 (IL-8), and interleukin-10 (IL-10) may affect the predisposition of Alzheimer's disease (AD), but the results of the so far published studies remain controversial. The authors conducted this meta-analysis to assess relationships between IL-6/IL-8/IL-10 polymorphisms and predisposition of AD by pooling the findings of so far published studies. A comprehensive search of Pubmed, Embase, Web of Science, and CNKI was endorsed by the authors to identify the already published studies. Forty-five studies were found to be eligible for meta-analyses. The pooled meta-analyses results showed that genotypic frequencies of IL-6 - 174 G/C, IL-6 - 572 G/C and IL-10 - 1082 A/G polymorphisms among patients with AD and controls differed significantly. Moreover, genotypic frequencies of IL-6 - 174 G/C, IL-6 - 572 G/C, and IL-8 - 251 A/T polymorphisms among patients with AD and controls in Asians also differed significantly. But no such genotypic frequencies' differences were observed for IL-10 - 819 C/T and 592 C/A polymorphisms. This meta-analysis suggests that IL-6 - 174 G/C, IL-6 - 572 G/C, and IL-10 - 1082 A/G polymorphisms may affect the predisposition of AD in overall population. Moreover, IL-6 - 174 G/C, IL-6 - 572 G/C, and IL-8 - 251 A/T polymorphisms may affect the predisposition of AD in Asians.
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Cao L, Zhu F, Qiu G. Early-onset Alzheimer's disease may be associated with sortilin-related receptor 1 gene mutation: A family report and review. Radiol Case Rep 2020; 16:30-34. [PMID: 33163129 PMCID: PMC7599375 DOI: 10.1016/j.radcr.2020.10.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/12/2020] [Accepted: 10/17/2020] [Indexed: 11/30/2022] Open
Abstract
Background: Early-onset Alzheimer's disease is a rare condition that differs from the usual memory-disordered presentation of typical Alzheimer's disease. Early-onset Alzheimer's disease is believed to have a genetic basis, and sporadic Alzheimer's disease has been associated with sortilin-related receptor 1 polymorphism. Case presentation: This report describes and discusses the family report of a 59-year-old patient with early-onset Alzheimer's disease that may have been associated with a sortilin-related receptor 1 gene mutation. The patient was hospitalized in August 2008 for gradually progressive amnesia. Brain magnetic resonance imaging showed that the patient presented with whole-brain atrophy (especially in the bilateral medial temporal lobe and hippocampus). He had an initial Mini-Mental State Examination score of 15 (time orientation: 4/5; place orientation: 4/5; language immediate memory: 2/3; attention and calculation: 1/5; delayed memory: 0/3; naming: 1/2; language retelling, understanding, and expression: 3/6; visuospatial ability: 0/1). Whole-exome sequencing showed a sortilin-related receptor 1 gene mutation, c.3575G>A (chr11:121448104), which was detected in the patient and his children. Discussion: Patients with early-onset Alzheimer's disease present with obvious deficits in language, visuospatial abilities, praxis, or other nonmemory cognitive functions. In this case, the speech, memory, and visuospatial impairment of the patient may be associated with the sortilin-related receptor 1 gene mutation. Atrophy of the bilateral medial temporal lobe/hippocampus on magnetic resonance imaging may be an important marker of early-onset Alzheimer's disease. A sortilin-related receptor 1 gene mutation, c.3575G>A (chr11:121448104), may increase the risk of Alzheimer's disease.
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Affiliation(s)
- Liming Cao
- Department of Neurology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China.,Department of Neurology, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Feiqi Zhu
- Department of Neurology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Guozhen Qiu
- Department of Neurology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China
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Arseniou S, Siokas V, Aloizou AM, Stamati P, Mentis AFA, Tsouris Z, Dastamani M, Peristeri E, Valotassiou V, Bogdanos DP, Hadjigeorgiou GM, Dardiotis E. SLC2A3 rs12842 polymorphism and risk for Alzheimer’s disease. Neurol Res 2020; 42:853-861. [DOI: 10.1080/01616412.2020.1786973] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Stylianos Arseniou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Vasileios Siokas
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Athina-Maria Aloizou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Polyxeni Stamati
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Alexios-Fotios A. Mentis
- Department of Microbiology, University of Thessaly, University Hospital of Larissa, Larissa, Greece
- Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece
| | - Zisis Tsouris
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Metaxia Dastamani
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Eleni Peristeri
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Varvara Valotassiou
- Department of Nuclear Medicine, University Hospital of Larissa, Mezourlo Larissa, Greece
| | - Dimitrios P. Bogdanos
- Department of Rheumatology and Clinical Immunology, University General Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Georgios M. Hadjigeorgiou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
- Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus
| | - Efthimios Dardiotis
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
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Angelopoulou E, Paudel YN, Shaikh MF, Piperi C. Flotillin: A Promising Biomarker for Alzheimer's Disease. J Pers Med 2020; 10:jpm10020020. [PMID: 32225073 PMCID: PMC7354424 DOI: 10.3390/jpm10020020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 12/18/2022] Open
Abstract
Alzheimer’s disease (AD) is characterized by the accumulation of beta amyloid (Aβ) in extracellular senile plaques and intracellular neurofibrillary tangles (NFTs) mainly consisting of tau protein. Although the exact etiology of the disease remains elusive, accumulating evidence highlights the key role of lipid rafts, as well as the endocytic pathways in amyloidogenic amyloid precursor protein (APP) processing and AD pathogenesis. The combination of reduced Aβ42 levels and increased phosphorylated tau protein levels in the cerebrospinal fluid (CSF) is the most well established biomarker, along with Pittsburgh compound B and positron emission tomography (PiB-PET) for amyloid imaging. However, their invasive nature, the cost, and their availability often limit their use. In this context, an easily detectable marker for AD diagnosis even at preclinical stages is highly needed. Flotillins, being hydrophobic proteins located in lipid rafts of intra- and extracellular vesicles, are mainly involved in signal transduction and membrane–protein interactions. Accumulating evidence highlights the emerging implication of flotillins in AD pathogenesis, by affecting APP endocytosis and processing, Ca2+ homeostasis, mitochondrial dysfunction, neuronal apoptosis, Aβ-induced neurotoxicity, and prion-like spreading of Aβ. Importantly, there is also clinical evidence supporting their potential use as biomarker candidates for AD, due to reduced serum and CSF levels that correlate with amyloid burden in AD patients compared with controls. This review focuses on the emerging preclinical and clinical evidence on the role of flotillins in AD pathogenesis, further addressing their potential usage as disease biomarkers.
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Affiliation(s)
- Efthalia Angelopoulou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Yam Nath Paudel
- Neuropharmacology Research Strength, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway 47500, Selangor, Malaysia;
| | - Mohd. Farooq Shaikh
- Neuropharmacology Research Strength, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway 47500, Selangor, Malaysia;
- Correspondence: (M.F.S.); (C.P.)
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
- Correspondence: (M.F.S.); (C.P.)
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Dong H, Luo Y, Fan S, Yin B, Weng C, Peng B. Screening Gene Mutations in Chinese Patients With Benign Essential Blepharospasm. Front Neurol 2020; 10:1387. [PMID: 32038460 PMCID: PMC6989602 DOI: 10.3389/fneur.2019.01387] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 12/17/2019] [Indexed: 12/26/2022] Open
Abstract
Objective: This study aimed to screen gene mutations in Chinese patients with benign essential blepharospasm (BEB) to understand its etiology. Methods: Twenty BEB patients diagnosed by clinical manifestations between April 2015 and October 2015 were enrolled. All the cases were investigated by questionnaires about general conditions, social behavioral factors, environmental factors, psychological factors, genetic factors, and previous diseases. In each patient, a total of 151 genes related to movement disorders were analyzed by second-generation sequencing. Results: Two patients had a family history of BEB, and they had SYNE1 and Cdkn1A-interacting zinc finger protein 1 (CIZ1) mutation, respectively. We found the SYNE1 mutation in seven patients, the CIZ1 mutation in two patients, the CACNA1A mutation in two patients, the LRRK2 mutation in two patients, and the FUS mutation in two patients. The C10orf2, TPP1, SLC1A3, PNKD, EIF4G1, SETX, PRRT2, SPTBN2, and TTBK2 mutations were found in only one patient, respectively, while not any mutation in the 151 genes were found in two patients. Some patients had mutations in two genes. Conclusion: Genetic factors, especially SYNE1 and CIZ1 mutations, contribute to the etiology of BEB.
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Affiliation(s)
- Hongjuan Dong
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ying Luo
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shanghua Fan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bo Yin
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chao Weng
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bin Peng
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
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HSPA12A targets the cytoplasmic domain and affects the trafficking of the Amyloid Precursor Protein receptor SorLA. Sci Rep 2019; 9:611. [PMID: 30679749 PMCID: PMC6345817 DOI: 10.1038/s41598-018-37336-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 11/30/2018] [Indexed: 01/11/2023] Open
Abstract
SorLA and Sortilin are multifunctional receptors involved in endocytosis and intracellular sorting of different and unrelated ligands. SorLA has recently attracted much attention as a novel strong risk gene for Alzheimer’s disease, and much effort is currently being put into understanding the underlying molecular mechanism. Trafficking of SorLA and Sortilin are mediated by interacting with AP-1, AP-2, GGA 1-3 and the retromer complex. Although these cytosolic adaptor proteins all bind to both SorLA and Sortilin, a large fraction of intracellular Sortilin and SorLA are located in different subcellular vesicles. This indicates that unknown specialised adaptor proteins targeting SorLA for trafficking are yet to be discovered. We have identified HSPA12A as a new adaptor protein that, among Vps10p-D receptors, selectively binds to SorLA in an ADP/ATP dependent manner. This is the first described substrate of HSPA12A, and we demonstrate that the binding, which affects both endocytic speed and subcellular localisation of SorLA, is mediated by specific acidic residues in the cytosolic domain of SorLA. The identification of the relatively unknown HSPA12A as a SorLA specific interaction partner could lead to novel insight into the molecular mechanism of SorLA, and re-emphasises the role of heat shock proteins in neurodegenerative diseases.
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