PCR-Based Analysis of Mitochondrial DNA Copy Number, Mitochondrial DNA Damage, and Nuclear DNA Damage.
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Because of the role that DNA damage and depletion play in human disease, it is important to develop and improve tools to assess these endpoints. This unit describes PCR-based methods to measure nuclear and mitochondrial DNA damage and copy number. Long amplicon quantitative polymerase chain reaction (LA-QPCR) is used to detect DNA damage by measuring the number of polymerase-inhibiting lesions present based on the amount of PCR amplification; real-time PCR (RT-PCR) is used to calculate genome content. In this unit, we provide step-by-step instructions to perform these assays in Homo sapiens, Mus musculus, Rattus norvegicus, Caenorhabditis elegans, Drosophila melanogaster, Danio rerio, Oryzias latipes, Fundulus grandis, and Fundulus heteroclitus, and discuss the advantages and disadvantages of these assays.
mitochondrial DNA copy number
DNA Copy Number Variations
DNA Mutational Analysis
Polymerase Chain Reaction
Published Version (Please cite this version)10.1002/0471140856.tx2011s67
Publication InfoAnbalagan, C; Gonzalez-Hunt, CP; Joglekar, R; Meyer, Joel; Rooney, JP; & Ryde, IT (2016). PCR-Based Analysis of Mitochondrial DNA Copy Number, Mitochondrial DNA Damage, and Nuclear DNA Damage. Curr Protoc Toxicol, 67. pp. 20.11.1-20.11.25. 10.1002/0471140856.tx2011s67. Retrieved from https://hdl.handle.net/10161/12422.
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Truman and Nellie Semans/Alex Brown and Sons Associate Professor of Molecular Environmental Toxicology
Dr. Meyer studies the effects of toxic agents and stressors on human and wildlife health. He is particularly interested in understanding the mechanisms by which environmental agents cause DNA damage, the molecular processes that organisms employ to protect prevent and repair DNA damage, and genetic differences that may lead to increased or decreased sensitivity to DNA damage. Mitochondrial DNA damage and repair, as well as mitochondrial function in general, are a particular focus. He studies
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Role of Mitochondrial Dynamics and Autophagy in Removal of Helix-Distorting Mitochondrial DNA Damage Bess, Amanda Smith (2012)Mitochondria are the primary energy producers of the cell and play key roles in cellular signaling, apoptosis and reactive oxygen species (ROS) production. Mitochondria are the only organelles that contain their own genome ...
Swimming Exercise and Transient Food Deprivation in Caenorhabditis elegans Promote Mitochondrial Maintenance and Protect Against Chemical-Induced Mitotoxicity. Meyer, Joel; Cothren, Jessica; Smith, Latasha L; Gordon, Kacy L; Laranjeiro, Ricardo; Driscoll, Monica; Sherwood, David R (Scientific reports, 2018-05-29)Exercise and caloric restriction improve health, including reducing risk of cardiovascular disease, neurological disease, and cancer. However, molecular mechanisms underlying these protections are poorly understood, partly ...
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