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Smullen M, Olson MN, Murray LF, Suresh M, Yan G, Dawes P, Barton NJ, Mason JN, Zhang Y, Fernandez-Fontaine AA, Church GM, Mastroeni D, Wang Q, Lim ET, Chan Y, Readhead B. Modeling of mitochondrial genetic polymorphisms reveals induction of heteroplasmy by pleiotropic disease locus 10398A>G. Sci Rep 2023; 13:10405. [PMID: 37369829 DOI: 10.1038/s41598-023-37541-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/23/2023] [Indexed: 06/29/2023] Open
Abstract
Mitochondrial (MT) dysfunction has been associated with several neurodegenerative diseases including Alzheimer's disease (AD). While MT-copy number differences have been implicated in AD, the effect of MT heteroplasmy on AD has not been well characterized. Here, we analyzed over 1800 whole genome sequencing data from four AD cohorts in seven different tissue types to determine the extent of MT heteroplasmy present. While MT heteroplasmy was present throughout the entire MT genome for blood samples, we detected MT heteroplasmy only within the MT control region for brain samples. We observed that an MT variant 10398A>G (rs2853826) was significantly associated with overall MT heteroplasmy in brain tissue while also being linked with the largest number of distinct disease phenotypes of all annotated MT variants in MitoMap. Using gene-expression data from our brain samples, our modeling discovered several gene networks involved in mitochondrial respiratory chain and Complex I function associated with 10398A>G. The variant was also found to be an expression quantitative trait loci (eQTL) for the gene MT-ND3. We further characterized the effect of 10398A>G by phenotyping a population of lymphoblastoid cell-lines (LCLs) with and without the variant allele. Examination of RNA sequence data from these LCLs reveal that 10398A>G was an eQTL for MT-ND4. We also observed in LCLs that 10398A>G was significantly associated with overall MT heteroplasmy within the MT control region, confirming the initial findings observed in post-mortem brain tissue. These results provide novel evidence linking MT SNPs with MT heteroplasmy and open novel avenues for the investigation of pathomechanisms that are driven by this pleiotropic disease associated loci.
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Affiliation(s)
- Molly Smullen
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Meagan N Olson
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Liam F Murray
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Madhusoodhanan Suresh
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Guang Yan
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Pepper Dawes
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Nathaniel J Barton
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Jivanna N Mason
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Yucheng Zhang
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Aria A Fernandez-Fontaine
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - George M Church
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Diego Mastroeni
- ASU-Banner Neurodegenerative Disease Research Center, Arizona State University, Tempe, AZ, 85281, USA
| | - Qi Wang
- ASU-Banner Neurodegenerative Disease Research Center, Arizona State University, Tempe, AZ, 85281, USA
| | - Elaine T Lim
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Yingleong Chan
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA.
- Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA.
- NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA.
| | - Benjamin Readhead
- ASU-Banner Neurodegenerative Disease Research Center, Arizona State University, Tempe, AZ, 85281, USA.
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Castañeda V, Haro-Vinueza A, Salinas I, Caicedo A, Méndez MÁ. The MitoAging Project: Single nucleotide polymorphisms (SNPs) in mitochondrial genes and their association to longevity. Mitochondrion 2022; 66:13-26. [PMID: 35817296 DOI: 10.1016/j.mito.2022.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 06/20/2022] [Accepted: 06/26/2022] [Indexed: 11/26/2022]
Abstract
Mitochondrial dysfunction is a major hallmark of aging. Mitochondrial DNA (mtDNA) mutations (inherited or acquired) may cause a malfunction of the respiratory chain (RC), and thus negatively affect cell metabolism and function. In contrast, certain mtDNA single nucleotide polymorphisms (SNPs) may be beneficial to mitochondrial electron transport chain function and the extension of cellular health as well as lifespan. The goal of the MitoAging project is to detect key physiological characteristics and mechanisms that improve mitochondrial function and use them to develop therapies to increase longevity and a healthy lifespan. We chose to perform a systematic literature review (SLR) as a tool to collect key mtDNA SNPs associated with an increase in lifespan. Then validated our results by comparing them to the MitoMap database. Next, we assessed the effect of relevant SNPs on protein stability. A total of 28 SNPs were found in protein coding regions. These SNPs were reported in Japan, China, Turkey, and India. Among the studied SNPs, the C5178A mutation in the ND2 gene of Complex I of the RC was detected in all the reviewed reports except in Uygur Chinese centenarians. Then, we found that G9055A (ATP6 gene) and A10398G (ND3 gene) polymorphisms have been associated with a protective effect against Parkinson's disease (PD). Additionally, C8414T in ATP8 was significantly associated with longevity in three Japanese reports. Interestingly, using MitoMap we found that G9055A (ATP6 gene) was the only SNP promoting longevity not associated with any pathology. The identification of SNPs associated with an increase in lifespan opens the possibility to better understand individual differences regarding a decrease in illness susceptibility and find strategies that contribute to healthy aging.
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Affiliation(s)
- Verónica Castañeda
- PhD Program in Biomedicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile; Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Biología, Colegio de Ciencias Biológicas y Ambientales COCIBA, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador
| | - Alissen Haro-Vinueza
- Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Biología, Colegio de Ciencias Biológicas y Ambientales COCIBA, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador
| | - Ivonne Salinas
- Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Escuela de Medicina, Colegio de Ciencias de la Salud COCSA, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Andrés Caicedo
- Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Escuela de Medicina, Colegio de Ciencias de la Salud COCSA, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Sistemas Médicos SIME, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador.
| | - Miguel Ángel Méndez
- Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito USFQ, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; Grupo de Química Computacional y Teórica, Departamento de Ingeniería Química, Colegio de Ciencias e Ingenierías, Politécnico, Universidad San Francisco de Quito, Quito, Ecuador.
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Tzeng IS. Role of mitochondria DNA A10398G polymorphism on development of Parkinson's disease: A PRISMA-compliant meta-analysis. J Clin Lab Anal 2022; 36:e24274. [PMID: 35146807 PMCID: PMC8906025 DOI: 10.1002/jcla.24274] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Parkinson's disease (PD) is characterized by memory loss and multiple cognitive disorders caused primarily by neurodegeneration. However, the preventative effects of the mitochondrial A10398G DNA polymorphism remain controversial. This meta-analysis comprehensively assessed evidence on the influence of the mitochondrial DNA A10398G variant on PD development. METHODS The PubMed, EMBASE, EBSCO, Springer Link, and Web of Science databases were searched from inception to May 31, 2020. We used a pooled model with random effects to explore the effect of A10398G on the development of PD. Stata MP version 14.0 was used to calculate the odds ratios and 95% confidence intervals (CIs) from the eligible studies to assess the impact of mitochondrial DNA A10398G on PD development. RESULTS The overall survey of the populations showed no significant association between mitochondrial DNA A10398G polymorphism (G allele compared to A allele) and PD (odds ratio = 0.85, 95% CI = 0.70-1.04, p = 0.111); however, a significant association between the mutation and PD was observed in the Caucasian population (odds ratio = 0.71, 95% CI = 0.58-0.87, p = 0.001). A neutral effect was observed in the Asian population (odds ratio = 1.10, 95% CI = 0.94-1.28, p = 0.242). CONCLUSIONS The results of this meta-analysis showed the potential protective effect of the mitochondrial DNA A10398G polymorphism on the risk of developing PD in the Caucasian population. Studies with better designs and larger samples with intensive work are required to validate these results.
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Affiliation(s)
- I-Shiang Tzeng
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
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4
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Mitochondrial Dysfunction in Diseases, Longevity, and Treatment Resistance: Tuning Mitochondria Function as a Therapeutic Strategy. Genes (Basel) 2021; 12:genes12091348. [PMID: 34573330 PMCID: PMC8467098 DOI: 10.3390/genes12091348] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 01/31/2023] Open
Abstract
Mitochondria are very important intracellular organelles because they have various functions. They produce ATP, are involved in cell signaling and cell death, and are a major source of reactive oxygen species (ROS). Mitochondria have their own DNA (mtDNA) and mutation of mtDNA or change the mtDNA copy numbers leads to disease, cancer chemo/radioresistance and aging including longevity. In this review, we discuss the mtDNA mutation, mitochondrial disease, longevity, and importance of mitochondrial dysfunction in cancer first. In the later part, we particularly focus on the role in cancer resistance and the mitochondrial condition such as mtDNA copy number, mitochondrial membrane potential, ROS levels, and ATP production. We suggest a therapeutic strategy employing mitochondrial transplantation (mtTP) for treatment-resistant cancer.
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5
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Sukhorukov VS, Voronkova AS, Litvinova NA, Baranich TI, Illarioshkin SN. The Role of Mitochondrial DNA Individuality in the Pathogenesis of Parkinson’s Disease. RUSS J GENET+ 2020. [DOI: 10.1134/s1022795420040146] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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6
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Zhunina OA, Yabbarov NG, Grechko AV, Yet SF, Sobenin IA, Orekhov AN. Neurodegenerative Diseases Associated with Mitochondrial DNA Mutations. Curr Pharm Des 2020; 26:103-109. [DOI: 10.2174/1381612825666191122091320] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 11/19/2019] [Indexed: 01/23/2023]
Abstract
Mitochondrial dysfunction underlies several human chronic pathologies, including cardiovascular
disorders, cancers and neurodegenerative diseases. Impaired mitochondrial function associated with oxidative
stress can be a result of both nuclear and mitochondrial DNA (mtDNA) mutations. Neurological disorders associated
with mtDNA mutations include mitochondrial encephalomyopathy, chronic progressive external ophthalmoplegia,
neurogenic weakness, and Leigh syndrome. Moreover, mtDNA mutations were shown to play a role in the
development of Parkinson and Alzheimer’s diseases. In this review, current knowledge on the distribution and
possible roles of mtDNA mutations in the onset and development of various neurodegenerative diseases, with
special focus on Parkinson’s and Alzheimer’s diseases has been discussed.
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Affiliation(s)
- Olga A. Zhunina
- Russian Research Center for Molecular Diagnostics and Therapy, Simferopolsky Blvd., 8, 117149, Moscow, Russian Federation
| | - Nikita G. Yabbarov
- Russian Research Center for Molecular Diagnostics and Therapy, Simferopolsky Blvd., 8, 117149, Moscow, Russian Federation
| | - Andrey V. Grechko
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 14-3 Solyanka Street, 109240, Moscow, Russian Federation
| | - Shaw-Fang Yet
- Institute of Cellular and System Medicine, National Health Research Institutes, 35 Keyan Road, Zhunan Town, Miaoli County 35053, Taiwan
| | - Igor A. Sobenin
- Laboratory of Medical Genetics, National Medical Research Center of Cardiology, 15A 3rd Cherepkovskaya Street, Moscow 121552, Russian Federation
| | - Alexander N. Orekhov
- Institute of Human Morphology, 3 Tsyurupa Street, Moscow 117418, Russian Federation
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7
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Müller-Nedebock AC, Brennan RR, Venter M, Pienaar IS, van der Westhuizen FH, Elson JL, Ross OA, Bardien S. The unresolved role of mitochondrial DNA in Parkinson's disease: An overview of published studies, their limitations, and future prospects. Neurochem Int 2019; 129:104495. [PMID: 31233840 PMCID: PMC6702091 DOI: 10.1016/j.neuint.2019.104495] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/27/2019] [Accepted: 06/21/2019] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD), a progressive neurodegenerative disorder, has long been associated with mitochondrial dysfunction in both sporadic and familial forms of the disease. Mitochondria are crucial for maintaining cellular homeostasis, and their dysfunction is detrimental to dopaminergic neurons. These neurons are highly dependent on mitochondrial adenosine triphosphate (ATP) and degenerate in PD. Mitochondria contain their own genomes (mtDNA). The role of mtDNA has been investigated in PD on the premise that it encodes vital components of the ATP-generating oxidative phosphorylation (OXPHOS) complexes and accumulates somatic variation with age. However, the association between mtDNA variation and PD remains controversial. Herein, we provide an overview of previously published studies on the role of inherited as well as somatic (acquired) mtDNA changes in PD including point mutations, deletions and depletion. We outline limitations of previous investigations and the difficulties associated with studying mtDNA, which have left its role unresolved in the context of PD. Lastly, we highlight the potential for further research in this field and provide suggestions for future studies. Overall, the mitochondrial genome is indispensable for proper cellular function and its contribution to PD requires further, more extensive investigation.
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Affiliation(s)
- Amica C Müller-Nedebock
- Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa
| | | | - Marianne Venter
- Human Metabolomics, North-West University, Potchefstroom, South Africa
| | - Ilse S Pienaar
- School of Life Sciences, University of Sussex, Falmer, BN1 9PH, United Kingdom; Centre for Neuroinflammation and Neurodegeneration, Imperial College London, London, United Kingdom
| | | | - Joanna L Elson
- Human Metabolomics, North-West University, Potchefstroom, South Africa; Institute of Genetic Medicine, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Owen A Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA; Department of Clinical Genomics, Mayo Clinic, Jacksonville, FL, USA; School of Medicine and Medical Science, University College Dublin, Dublin, Ireland
| | - Soraya Bardien
- Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa.
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8
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Mani S, Rao SN, Kranthi Kumar M. Genetic heterogeneity of mitochondrial genome in thiamine deficient Leigh syndrome patients. J Neurol Sci 2019; 404:91-100. [DOI: 10.1016/j.jns.2019.07.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/03/2019] [Accepted: 07/08/2019] [Indexed: 10/26/2022]
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9
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Whole sequence of the mitochondrial DNA genome of Kearns Sayre Syndrome patients: Identification of deletions and variants. Gene 2018; 688:171-181. [PMID: 30528267 DOI: 10.1016/j.gene.2018.11.085] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 09/04/2018] [Accepted: 11/28/2018] [Indexed: 02/07/2023]
Abstract
Mitochondria both produce the energy of the cell as ATP via respiration and regulate cellular metabolism. Accordingly, any deletion or mutation in the mitochondrial DNA (mtDNA) may result in a disease. One of these diseases is Kearns Sayre syndrome (KSS), described for the first time in 1958, where different large-scale deletions of different sizes and at different positions have been reported in the mitochondrial genome of patients with similar clinical symptoms. In this study, sequences of the mitochondrial genome of three patients with clinic features of KSS were analyzed. Our results revealed the position, heteroplasmy percentage, size of deletions, and their haplogroups. Two patients contained deletions reported previously and one patient showed a new deletion not reported previously. These results display for the first time a systematic analysis of mtDNA variants in the whole mtDNA genome of patients with KSS to help to understand their association with the disease.
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10
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Chinnery PF, Gomez-Duran A. Oldies but Goldies mtDNA Population Variants and Neurodegenerative Diseases. Front Neurosci 2018; 12:682. [PMID: 30369864 PMCID: PMC6194173 DOI: 10.3389/fnins.2018.00682] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 09/10/2018] [Indexed: 12/31/2022] Open
Abstract
mtDNA is transmitted through the maternal line and its sequence variability, which is population specific, is assumed to be phenotypically neutral. However, several studies have shown associations between the variants defining some genetic backgrounds and the susceptibility to several pathogenic phenotypes, including neurodegenerative diseases. Many of these studies have found that some of these variants impact many of these phenotypes, including the ones defining the Caucasian haplogroups H, J, and Uk, while others, such as the ones defining the T haplogroup, have phenotype specific associations. In this review, we will focus on those that have shown a pleiotropic effect in population studies in neurological diseases. We will also explore their bioenergetic and genomic characteristics in order to provide an insight into the role of these variants in disease. Given the importance of mitochondrial population variants in neurodegenerative diseases a deeper analysis of their effects might unravel new mechanisms of disease and help design new strategies for successful treatments.
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Affiliation(s)
- Patrick F Chinnery
- Department of Clinical Neurosciences, School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom.,Medical Research Council-Mitochondrial Biology Unit, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Aurora Gomez-Duran
- Department of Clinical Neurosciences, School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom.,Medical Research Council-Mitochondrial Biology Unit, Cambridge Biomedical Campus, Cambridge, United Kingdom
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11
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Mitochondrial DNA variants modulate genetic susceptibility to Parkinson's disease in Han Chinese. Neurobiol Dis 2018; 114:17-23. [DOI: 10.1016/j.nbd.2018.02.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 01/18/2018] [Accepted: 02/21/2018] [Indexed: 12/26/2022] Open
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12
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Hua F, Zhang X, Hou B, Xue L, Xie A. Relationship between mitochondrial DNA A10398G polymorphism and Parkinson's disease: a meta-analysis. Oncotarget 2017; 8:78023-78030. [PMID: 29100444 PMCID: PMC5652833 DOI: 10.18632/oncotarget.20920] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 08/29/2017] [Indexed: 01/04/2023] Open
Abstract
Many studies have researched the mitochondrial DNA (mtDNA) A10398G in Parkinson's disease (PD) to determine the association between mtDNA A10398G and PD, but the results of their research were not consistent. Therefore, we performed a meta-analysis to demonstrate the connection between mtDNA A10398G and the susceptibility of PD. We searched PubMed, Web of Science, Springer Link, EMBASE and EBSCO databases up to identify relevant studies. Through strict inclusion and exclusion criteria, at last, 9 studies (total 3381 cases and 2810 controls) were included in our meta-analysis. We used the STATA 12.0 statistics software to calculate the pooled odds ratios (ORs) and 95% confidence intervals (CIs) to evaluate the genetic association between mtDNA A10398G and the risk of PD. We performed subgroup analysis to clarify the possible roles of the mtDNA A10398G polymorphism in the aetiology of PD in different ethnicities. Our meta-analysis indicates that although there was no significant association between mtDNA A10398G and PD in the Asian population (G vs. A: OR = 1.090, 95% CI = 0.939–1.284, P = 0.242), in the Caucasian population the G allele of mtDNA A10398G mutations may be a potential protective factor of PD (G vs. A: OR = 0.699, 95% CI = 0.546–0.895, P = 0.005). Further well-designed studies with larger samples are needed to validate these results.
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Affiliation(s)
- Feifei Hua
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiaona Zhang
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Binghui Hou
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Li Xue
- Department of Rehabilitation, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Anmu Xie
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
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13
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Chen YF, Chen WJ, Lin XZ, Zhang QJ, Cai JP, Liou CW, Wang N. Mitochondrial DNA Haplogroups and the Risk of Sporadic Parkinson's Disease in Han Chinese. Chin Med J (Engl) 2016; 128:1748-54. [PMID: 26112715 PMCID: PMC4733725 DOI: 10.4103/0366-6999.159348] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Mitochondrial dysfunction is linked to the pathogenesis of Parkinson's disease (PD). However, the precise role of mitochondrial DNA (mtDNA) variations is obscure. On the other hand, mtDNA haplogroups have been inconsistently reported to modify the risk of PD among different population. Here, we try to explore the relationship between mtDNA haplogroups and sporadic PD in a Han Chinese population. Methods: Nine single-nucleotide polymorphisms, which define the major Asian mtDNA haplogroups (A, B, C, D, F, G), were detected via polymerase chain reaction-restriction fragment length polymorphism or denaturing polyacrylamide gel electrophoresis in 279 sporadic PD patients and 510 matched controls of Han population. Results: Overall, the distribution of mtDNA haplogroups did not show any significant differences between patients and controls. However, after stratification by age at onset, the frequency of haplogroup B was significantly lower in patients with early-onset PD (EOPD) compared to the controls (odds ratio [OR] =0.225, 95% confidence interval [CI]: 0.082–0.619, P = 0.004), while other haplogroups did not show significant differences. After stratification by age at examination, among subjects younger than 50 years of age: Haplogroup B also showed a lower frequency in PD cases (OR = 0.146, 95% CI: 0.030–0.715, P = 0.018) while haplogroup D presented a higher risk of PD (OR = 3.579, 95% CI: 1.112–11.523, P = 0.033), other haplogroups also did not show significant differences in the group. Conclusions: Our study indicates that haplogroup B might confer a lower risk for EOPD and people younger than 50 years in Han Chinese, while haplogroup D probably lead a higher risk of PD in people younger than 50 years of age. In brief, particular Asian mtDNA haplogroups likely play a role in the pathogenesis of PD among Han Chinese.
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Affiliation(s)
| | | | | | | | | | | | - Ning Wang
- Department of Neurology and Institute of Neurology, First Affiliated Hospital, Fujian Medical University; Fujian Key Laboratory of Molecular Neurology, Fuzhou, Fujian 350005, China
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14
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Chu Q, Luo X, Zhan X, Ren Y, Pang H. Female genetic distribution bias in mitochondrial genome observed in Parkinson's Disease patients in northern China. Sci Rep 2015; 5:17170. [PMID: 26602989 PMCID: PMC4658531 DOI: 10.1038/srep17170] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 10/26/2015] [Indexed: 12/21/2022] Open
Abstract
Genetic polymorphisms associated with susceptibility to Parkinson’s disease (PD) have been described in mitochondrial DNA (mtDNA). To explore the potential contribution of mtDNA mutations to the risk of PD in a Chinese population, we examined the linkage relationship between several single nucleotide polymorphisms (SNPs) and haplotypes in mtDNA and PD. We genotyped 5 SNPs located on coding genes using PCR-RFLP analysis. A specific allele 10398G demonstrated an increased risk of PD (OR 1.30; 95% CI 0.95–1.76; P = 0.013). After stratification by gender, the increased risk appeared to be more significant in females (OR 1.91; 95% CI 1.16–3.16; P = 0.001). But the significance only appeared in females under Bonferroni correction. No significant differences were detected for other SNPs (T4336C, G5460A, G9055A, and G13708A). Individual haplotype composed of 4336T-5460G-9055G-10398A-13708G was found to be associated with protective effect regarding PD (P = 0.0025). The haplotypes 4336T-5460G-9055G-10398G-13708G and 4336T-5460G-9055G-10398A-13708G were more significantly associated in females (P = 0.0036 for risk and P = 0.0006 for protective effects). These data suggest that the A10398G and two haplotypes coupled with 10398A or 10398G are closely associated with susceptibility to PD in a northern Chinese population. This association demonstrated a female genetic distribution bias.
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Affiliation(s)
- Qiaohong Chu
- School of Forensic Medicine, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, P.R. China
| | - Xiaoguang Luo
- Department of Neurology, 1st Affiliated Hospital of China Medical University, Shenyang 110001, P.R. China
| | - Xiaoni Zhan
- School of Forensic Medicine, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, P.R. China
| | - Yan Ren
- Department of Neurology, 1st Affiliated Hospital of China Medical University, Shenyang 110001, P.R. China
| | - Hao Pang
- School of Forensic Medicine, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, P.R. China
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15
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Fachal L, Mosquera-Miguel A, Pastor P, Ortega-Cubero S, Lorenzo E, Oterino-Durán A, Toriello M, Quintáns B, Camiña-Tato M, Sesar A, Vega A, Sobrido MJ, Salas A. No evidence of association between common European mitochondrial DNA variants in Alzheimer, Parkinson, and migraine in the Spanish population. Am J Med Genet B Neuropsychiatr Genet 2015; 168B:54-65. [PMID: 25349034 DOI: 10.1002/ajmg.b.32276] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Accepted: 09/25/2014] [Indexed: 11/07/2022]
Abstract
Certain mitochondrial DNA (mtDNA) variants and haplogroups have been found to be associated with neurological disorders. Several studies have suggested that mtDNA variation could have an etiologic role in these disorders by affecting the ATP production on high-energy demanding organs, such as the brain. We have analyzed 15 mtDNA SNPs (mtSNPs) in five cohorts of cases presenting Alzheimer disease (AD), Parkinson disease (PD), and migraine, and in controls, to evaluate the role mtDNA variation in disease risk. Association tests were undertaken both for mtSNPs and mitochondrial haplogroups. No significant association was detected for any mtSNP or haplogroup in AD and PD cohorts. Two mtSNPs were associated with one migraine cohort after correcting for multiple tests, namely, T4216C and G13708A and haplogroup J (FDR q-value = 0.02; Santiago's cohort). However, this association was not confirmed in a second replication migraine series. A review of the literature reveals the existence of inconsistent findings and methodological shortcomings affecting a large proportion of mtDNA association studies on AD, PD, and migraine. A detailed inspection of the literature highlights the need for performing more rigorous methodological and statistical standards in mtDNA genetic association studies aimed to avoid false positive results of association between mtDNA variants and neurological diseases.
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Affiliation(s)
- Laura Fachal
- Fundación Pública Galega de Medicina Xenómica-SERGAS, Grupo de Medicina Xenómica, CIBERER, IDIS, Santiago de Compostela, Spain
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16
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Massó JFM, Zarranz JJ, Otaegui D, López de Munain A. Neurogenetic Disorders in the Basque Population. Ann Hum Genet 2014; 79:57-75. [DOI: 10.1111/ahg.12088] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 09/11/2014] [Indexed: 12/12/2022]
Affiliation(s)
- José Félix Martí Massó
- Department of Neurology at Hospital Universitario Donostia (San Sebastián, Guipúzcoa); Basque Health Service (Osakidetza); Basque Country Spain
- Department of Neurosciences; University of Basque Country (UPV-EHU)
- Centre for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED); Carlos III Health Institute, Ministry of Economy and Competitiveness; Spain
- BioDonostia Institute, San Sebastián, Guipúzcoa
- JAKIUNDE, Academia de las Ciencias, de las Artes y de las Letras
| | - Juan José Zarranz
- Department of Neurology at Hospital Universitario Cruces (Baracaldo, Vizcaya); Basque Health Service (Osakidetza); Basque Country Spain
- Department of Neurosciences; University of Basque Country (UPV-EHU)
- BioCruces Institute, Baracaldo; Vizcaya
- JAKIUNDE, Academia de las Ciencias, de las Artes y de las Letras
| | | | - Adolfo López de Munain
- Department of Neurology at Hospital Universitario Donostia (San Sebastián, Guipúzcoa); Basque Health Service (Osakidetza); Basque Country Spain
- Department of Neurosciences; University of Basque Country (UPV-EHU)
- Centre for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED); Carlos III Health Institute, Ministry of Economy and Competitiveness; Spain
- BioDonostia Institute, San Sebastián, Guipúzcoa
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17
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Andalib S, Vafaee MS, Gjedde A. Parkinson's disease and mitochondrial gene variations: A review. J Neurol Sci 2014; 346:11-9. [DOI: 10.1016/j.jns.2014.07.067] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 07/29/2014] [Accepted: 07/31/2014] [Indexed: 01/09/2023]
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18
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Hudson G, Nalls M, Evans JR, Breen DP, Winder-Rhodes S, Morrison KE, Morris HR, Williams-Gray CH, Barker RA, Singleton AB, Hardy J, Wood NE, Burn DJ, Chinnery PF. Two-stage association study and meta-analysis of mitochondrial DNA variants in Parkinson disease. Neurology 2013; 80:2042-8. [PMID: 23645593 DOI: 10.1212/wnl.0b013e318294b434] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Previous associations between mitochondrial DNA (mtDNA) and idiopathic Parkinson disease (PD) have been inconsistent and contradictory. Our aim was to resolve these inconsistencies and determine whether mtDNA has a significant role in the risk of developing PD. METHODS Two-stage genetic association study of 138 common mtDNA variants in 3,074 PD cases and 5,659 ethnically matched controls followed by meta-analysis of 6,140 PD cases and 13,280 controls. RESULTS In the association study, m.2158T>C and m.11251A>G were associated with a reduced risk of PD in both the discovery and replication cohorts. None of the common European mtDNA haplogroups were consistently associated with PD, but pooling of discovery and replication cohorts revealed a protective association with "super-haplogroup" JT. In the meta-analysis, there was a reduced risk of PD with haplogroups J, K, and T and super-haplogroup JT, and an increase in the risk of PD with super-haplogroup H. CONCLUSIONS In a 2-stage association study of mtDNA variants and PD, we confirm the reduced risk of PD with super-haplogroup JT and resolve this at the J1b level. Meta-analysis explains the previous inconsistent associations that likely arise through sampling effects. The reduced risk of PD with haplogroups J, K, and T is mirrored by an increased risk of PD in super-haplogroup HV, which increases survival after sepsis. Antagonistic pleiotropy between mtDNA haplogroups may thus be shaping the genetic landscape in humans, leading to an increased risk of PD in later life.
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Affiliation(s)
- Gavin Hudson
- Wellcome Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, UK
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19
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Anvret A, Ran C, Westerlund M, Sydow O, Willows T, Olson L, Galter D, Belin AC. Genetic Screening of the Mitochondrial Rho GTPases MIRO1 and MIRO2 in Parkinson's Disease. Open Neurol J 2012; 6:1-5. [PMID: 22496713 PMCID: PMC3322431 DOI: 10.2174/1874205x01206010001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 02/20/2012] [Accepted: 02/20/2012] [Indexed: 12/18/2022] Open
Abstract
MIRO1 and MIRO2 (mitochondrial Ras homolog gene family, member T1 and T2) also referred to as RHOT1 and RHOT2, belong to the mitochondrial Rho GTPase family and are involved in axonal transport of mitochondria in neurons. Because mitochondrial dysfunction is strongly implicated in Parkinson’s disease (PD), MIRO1 and MIRO2 can be considered as new candidate genes for PD. We analyzed two non-synonymous polymorphisms and one synonymous polymorphism in MIRO1 and two non-synonymous polymorphisms in MIRO2, in a Swedish Parkinson case-control material consisting of 241 patients and 307 neurologically healthy controls. None of the analyzed polymorphisms in MIRO1 and MIRO2 were significantly associated with PD. Although we did not find a significant association with PD in our Swedish case-control material, we cannot exclude these Rho GTPases as candidate genes for PD or other neurodegenerative disorders.
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Affiliation(s)
- Anna Anvret
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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20
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OXPHOS toxicogenomics and Parkinson's disease. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2011; 728:98-106. [DOI: 10.1016/j.mrrev.2011.06.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 05/16/2011] [Accepted: 06/30/2011] [Indexed: 12/21/2022]
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21
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Anvret A, Ran C, Westerlund M, Thelander AC, Sydow O, Lind C, Håkansson A, Nissbrandt H, Galter D, Belin AC. Possible involvement of a mitochondrial translation initiation factor 3 variant causing decreased mRNA levels in Parkinson's disease. PARKINSONS DISEASE 2010; 2010:491751. [PMID: 20976088 PMCID: PMC2957232 DOI: 10.4061/2010/491751] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2010] [Accepted: 05/05/2010] [Indexed: 11/20/2022]
Abstract
Genes important for mitochondrial function have been implicated in Parkinson's disease (PD). Mitochondrial translation initiation factor 3 (MTIF3) is a nuclear encoded protein required for the initiation of complex formation on mitochondrial ribosomes. Dysfunction of MTIF3 may impair mitochondrial function and dopamine neurons appear to be particularly vulnerable to oxidative stress, which may relate to their degeneration in PD. An association was recently reported between the synonymous rs7669(C>T) in MTIF3 and PD in a German case-control material. We investigated rs7669 in a Swedish Parkinson case-control material. The study revealed no significant association of the individual genotypes or alleles with PD. When comparing the combined TT/CT-genotypes versus the CC-genotype, we observed a significant association (P = .0473) with PD. We also demonstrated that the TT-genotype causes a significant decrease in MTIF3 mRNA expression compared to the CC-genotype (P = .0163). Our findings support the hypothesis that MTIF3 may be involved in the etiology of PD.
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Affiliation(s)
- Anna Anvret
- Department of Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
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22
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Juo SHH, Lu MY, Bai RK, Liao YC, Trieu RB, Yu ML, Wong LJC. A common mitochondrial polymorphism 10398A>G is associated metabolic syndrome in a Chinese population. Mitochondrion 2010; 10:294-9. [PMID: 20067846 DOI: 10.1016/j.mito.2010.01.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2009] [Revised: 12/24/2009] [Accepted: 01/05/2010] [Indexed: 01/01/2023]
Abstract
We conducted a two-step case-control study to investigate the association between mtDNA variants and metabolic syndrome (MS) in Chinese. We initially screened 79 mitochondrial single nucleotide polymorphisms (mtSNPs) in 141 cases and 506 controls, and five mtSNPs had a p<0.05. We replicated results for the most significant mtSNP 10398A>G in additional 396 case and 424 controls (p=0.047, OR=1.26). The G allele frequency in the screening and follow up data was 66% and 55.2% in the cases, and 52.3% and 50.2% in the controls, respectively. Our results suggest the G allele of 10398A>G increases a risk for MS.
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Affiliation(s)
- Suh-Hang H Juo
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
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23
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Ren WH, Li XH, Zhang HG, Deng FM, Liao WQ, Pang Y, Liu YH, Qiu MJ, Zhang GY, Zhang YG. Mitochondrial DNA haplogroups in a Chinese Uygur population and their potential association with longevity. Clin Exp Pharmacol Physiol 2008; 35:1477-81. [PMID: 18759861 DOI: 10.1111/j.1440-1681.2008.05028.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
1. The haplogroups and polymorphisms of mitochondrial (mt) DNA are associated with longevity. This association is highly geographically dependent. The aim of the present study was to determine the relationship between mtDNA haplogroups, single nucleotide polymorphisms (SNPs) and longevity in the Chinese Uygur population. 2. Ninety-eight Uygur Chinese subjects aged over 90 years (vitality 90+) and 117 healthy young controls living in the Xinjiang Uygur Autonomous Region of China were chosen for the present study. Frequencies of mtDNA haplogroups and SNPs in the subjects were analysed using polymerase chain reaction. The entire mtDNA genome was sequenced and the mtDNA haplogroups and SNPs were determined. 3. Nine haplogroups were identified in the Chinese Uygur population and the frequency of haplogroup J was higher in control subjects than in the vitality 90+ group (odds ratio = 0.384; 95% confidence interval = 0.163-0.906; P = 0.025). Interestingly, most of the SNPs were in the D-loop region, with frequencies higher in the control group than in the vitality 90+ group. 4. In conclusion, mtDNA haplogroups are potentially associated with longevity in the Uygur Chinese population and the D-loop region is strongly involved in ageing-related events.
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Affiliation(s)
- Wei-Hong Ren
- Institute of Materia Medica and Department of Pharmaceutics, College of Pharmacy, Third Military Medical University, Chongqing, China
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24
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Mitochondrial DNA polymorphisms and haplogroups in Parkinson's disease and control individuals with a similar genetic background. J Hum Genet 2008; 53:349-356. [PMID: 18286226 DOI: 10.1007/s10038-008-0259-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2007] [Accepted: 01/22/2008] [Indexed: 12/21/2022]
Abstract
Mitochondrial complex I deficiency has been implicated in the pathogenesis of Parkinson's disease (PD), but as yet no mitochondrial DNA (mtDNA) variations have been identified that could account for the impaired complex I activity. On the other hand, it has been suggested that mtDNA polymorphisms (mtSNPs) or haplogroups may modify the risk of developing PD. Here, we determined the distributions of ten mtSNPs that define the nine major European haplogroups among 224 PD patients and 383 controls from Crete, an island of 0.6 million inhabitants who share a similar genetic background and a common environment. The recruitment of patients and controls was restricted to individuals of Cretan origin for at least three generations from both parental sides in order to avoid population admixture and subsequent genetic heterogeneity. We found no mtSNP or mtDNA haplogroup that predisposes to PD, although there was a trend for haplogroups J, T, U and I and the supercluster of haplogroups UKJT to be slightly underrepresented in our PD patients as compared to controls. While a combination of common mtSNPs (present in >or=5% of the general population) may decrease the chance of developing PD, this effect was minor in the Cretan population.
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25
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Alvarez V, Corao AI, Sánchez-Ferrero E, De Mena L, Alonso-Montes C, Huerta C, Blázquez M, Ribacoba R, Guisasola LM, Salvador C, García-Castro M, Coto E. Mitochondrial transcription factor A (TFAM) gene variation in Parkinson's disease. Neurosci Lett 2008; 432:79-82. [PMID: 18248889 DOI: 10.1016/j.neulet.2007.12.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2007] [Revised: 12/04/2007] [Accepted: 12/05/2007] [Indexed: 12/21/2022]
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26
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Darvishi K, Sharma S, Bhat AK, Rai E, Bamezai RNK. Mitochondrial DNA G10398A polymorphism imparts maternal Haplogroup N a risk for breast and esophageal cancer. Cancer Lett 2007; 249:249-55. [PMID: 17081685 DOI: 10.1016/j.canlet.2006.09.005] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2006] [Revised: 08/29/2006] [Accepted: 09/06/2006] [Indexed: 10/24/2022]
Abstract
Mitochondria are the major source of Reactive Oxygen Species (ROS) and mtDNA G10398A (Ala-->Thr) polymorphism, proposed to be involved in increased ROS production, has been shown in association with invasive breast cancer in African-American (AA) women [J.A. Canter, A.R. Kallianpur, F.F. Parl, R.C. Millikan, Mitochondrial DNA G10398A polymorphism and invasive breast cancer in African-American women, Cancer Res. 65 (2005) 8028-8033] and prostate cancer in AA men [M.P. Mims, T.G. Hayes, S. Zheng, S.M. Leal, A. Frolov, M.M. Ittmann, et al., Mitochondrial DNA G10398A polymorphism and invasive breast cancer in African-American women, Cancer Res. 66 (2006) 1880; author reply 1880-1881]. The role of mitochondria, however, in cancer development has been in question recently [A. Salas, Y.G. Yao, V. Macaulay, A. Vega, A. Carracedo, H.J. Bandelt, A critical reassessment of the role of mitochondria in tumorigenesis, PLoS Med. 2 (2005) e296], which has made it pertinent to analyze the data and test the hypotheses by conducting fresh case-control studies. This study, therefore, makes an attempt to validate the exclusive presence of mtG10398A (Ala-->Thr) polymorphism in a haplotype constituting mtDNA haplogroup N and its sublineages, imparting this group a higher risk for breast cancer, based on the re-analyses of approximately 1000 complete human mtDNA sequences worldwide and collated information on 2334 individuals belonging to 18 regions in India. The conclusion drawn of mt10398A allele providing a risk towards cancer is confirmed in a case-control comparison study of 124 sporadic breast cancer patients and 273 controls; and 55 squamous cell carcinoma of esophagus, ESCC, and 163 controls, matched for age, ethnicity and sex from north India. It is further apparent from the study that such a mtDNA polymorphism background provides a higher risk for the cancers of the tissues which could be affected by environmental insults directly as in the ESCC, observed with a high acquired (somatic) rate of mutation in p53 when compared to the breast cancer, suggesting that the mtDNA variants that arose as energetic adaptations, influence our health differentially under different environment conditions and a given genetic background of the mt genome.
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Affiliation(s)
- Katayoon Darvishi
- National Centre of Applied Human Genetics, School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India
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27
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Chen CM, Kuan CC, Lee-Chen GJ, Wu YR. Mitochondrial DNA polymorphisms and the risk of Parkinson's disease in Taiwan. J Neural Transm (Vienna) 2007; 114:1017-21. [PMID: 17357825 DOI: 10.1007/s00702-007-0658-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Accepted: 02/04/2007] [Indexed: 12/21/2022]
Abstract
A critical role of mitochondrial dysfunction has been implicated in the pathogenesis of Parkinson's disease (PD). The association of mitochondrial DNA (mtDNA) polymorphisms 9055G/A, 10398G/A and 13708G/A with PD has been controversial. In this study we analyzed whether these three genetic polymorphisms are associated with PD in a cohort of 416 PD cases and 372 ethnically matched controls. The allele frequency distribution of any of these three analyzed polymorphisms was not significantly different between the cases and the controls. None of the six haplotypes derived influences risk of PD. Notably, after stratification by age, individuals over 70 years of age carrying the haplotype 9055G-10398A-13708G demonstrated a significant decrease in risk of developing PD (OR = 0.44, 95% CI = 0.24-0.80, p = 0.008). These results suggest that the mtDNA haplotype 9055G-10398A-13708G plays a role in PD susceptibility among Taiwanese people older than 70 years of age.
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Affiliation(s)
- C M Chen
- Department of Neurology, Chang Gung Memorial Hospital, Chang-Gung University College of Medicine, Taipei, Taiwan
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28
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Bellizzi D, Cavalcante P, Taverna D, Rose G, Passarino G, Salvioli S, Franceschi C, De Benedictis G. Gene expression of cytokines and cytokine receptors is modulated by the common variability of the mitochondrial DNA in cybrid cell lines. Genes Cells 2006; 11:883-91. [PMID: 16866872 DOI: 10.1111/j.1365-2443.2006.00986.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Some lines of evidence indicate that common polymorphisms of mitochondrial DNA (mtDNA) act as susceptibility factors in complex traits, such as age-related common diseases. There is also evidence that the cell capability to compensate ravages caused by intrinsic or extrinsic stress factors could contribute to some of these diseases. The cross-talk between nuclear and mitochondrial genome may link the above observations if we assume that the transcription of stress-responder nuclear genes is modulated according to the mtDNA common variability. Cytokines and cytokine receptors are key molecules in stress response. We could, therefore, check the above hypothesis by analyzing expression patterns of cytokine and cytokine receptor genes in response to stress in cell lines sharing the same nuclear genome but different mtDNA. By using a cybrid model (143B.TK- osteosarcoma cells depleted of their own mtDNA and repopulated with foreign mitochondria) we show that the transcription patterns of some of such genes are specifically modulated by the variability of the mitochondrial genome not only under stress conditions (interleukin-6) but also at basal conditions (interleukin-1beta and tumor necrosis factor receptor 2). These findings provide a first experimental evidence of a relationship between mtDNA common variability and expression pattern of stress responder nuclear genes in human cells.
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Affiliation(s)
- Dina Bellizzi
- Department of Cell Biology, 87030 Rende, University of Calabria, Italy
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29
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Swerdlow RH, Weaver B, Grawey A, Wenger C, Freed E, Worrall BB. Complex I polymorphisms, bigenomic heterogeneity, and family history in Virginians with Parkinson's disease. J Neurol Sci 2006; 247:224-30. [PMID: 16784756 PMCID: PMC1713224 DOI: 10.1016/j.jns.2006.05.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2006] [Revised: 04/24/2006] [Accepted: 05/10/2006] [Indexed: 12/21/2022]
Abstract
The electron transport chain enzyme complex I may play a role in Parkinson's disease (PD) pathogenesis. Association studies considering whether or not complex I-relevant gene polymorphisms contribute to PD risk are discordant. We evaluated four complex I-relevant gene polymorphisms alternatively reported to associate and not associate with PD (tRNA(Gln) T4336C, ND1 T4216C, ND2 G5460A, and the NDUFV2 exon 2 C182T transition). Our study included 111 PD subjects and 106 controls in central Virginia. Individuals with at least one copy of the NDUFV2 182T allele were more likely to report a PD family history than non-carriers, but aside from this no positive associations were found. Indeed, the tRNA(Gln) 4336C variant occurred more frequently in controls. We also observed that individuals in both groups often carried more than one of the assayed polymorphisms, and for the first time show bigenomic polymorphic variation (between nuclear and mtDNA complex I subunit genes) commonly occurs within individuals. In an exploratory sub-analysis, more control than case women had an ND1 4216C, NDUFV2 homozygous 182C compound genotype. Complex I compound genotype variation commonly occurs and may explain why particular complex I gene polymorphisms associate with PD in some populations but not others.
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Affiliation(s)
- Russell H Swerdlow
- Department of Neurology, #800394, University of Virginia Health System, McKim Hall, 1 Hospital Drive, Charlottesville, VA 22908, USA.
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30
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Huerta C, Castro MG, Coto E, Blázquez M, Ribacoba R, Guisasola LM, Salvador C, Martínez C, Lahoz CH, Alvarez V. Mitochondrial DNA polymorphisms and risk of Parkinson's disease in Spanish population. J Neurol Sci 2005; 236:49-54. [PMID: 15975594 DOI: 10.1016/j.jns.2005.04.016] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2005] [Revised: 04/26/2005] [Accepted: 04/29/2005] [Indexed: 12/21/2022]
Abstract
Mutations in mitochondrial DNA (mtDNA) have been implicated in the development of Parkinson's disease (PD). Mitochondrial function is necessary to supply the energy required for cell metabolism, and mutations in mitochondrial genes should have a deleterious effect in neuronal function. An association between several common mtDNA-polymorphisms and the risk of PD has been described. To test this association among Spanish patients, we genotyped 271 PD-patients and 230 healthy controls for 13 single-nucleotide polymorphisms (SNPs) through polymerase chain reaction (PCR) followed by digestion with a restriction enzyme. Alleles at eight of these SNPs define nine common European haplotypes, the mitochondrial haplogroups. In our population, no haplogroup showed significantly different frequencies between patients and controls. A significant association was found for the 4336T/C SNP (a polymorphism in the tRNA gln gene), with allele 4336C having a significantly increased frequency in PD-women compared to controls (OR=4.45; 95%CI=1.23-15.96; p=0.011). We also sequenced five of the complex I genes (ND1 to ND5) in the patients who were 4336C, and no mutation in these genes was found. We also found a significantly reduced frequency of 10398G in patients (p=0.009; OR=0.53), confirming a previously described protective effect for this allele in PD. In conclusion, we provided further evidence of the involvement of mitochondrial DNA variation in PD. In agreement with previous reports, we described a higher risk for PD among women with the mitochondrial 4336C allele in our population, and a protective effect for 10398G.
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Affiliation(s)
- Cecilia Huerta
- Genética Molecular-Instituto de Estudios Nefrológicos, Hospital Central de Asturias, Maternidad, 33006 Oviedo, Spain
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